4.6.X build issue against GCC 15

[devrimgunduz]

Hi,

pgPool 4.6.X cannot be built against GCC 15 (Fedora 42). Can you please take a look? Thanks!

gcc -DHAVE_CONFIG_H -I. -I../../src/include  -D_GNU_SOURCE -I ../../src/include/parser -I /usr/pgsql-17/include   -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -Wall -Wmissing-prototypes -Wmissing-declarations -Wno-format-truncation -Wno-stringop-truncation -fno-strict-aliasing -c -o ../../src/utils/error/elog.o ../../src/utils/error/elog.c
In file included from ../../src/include/parser/kwlookup.h:18,
                 from kwlookup.c:19:
../../src/include/pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: kwlookup.o] Error 1
make[3]: *** Waiting for unfinished jobs....
In file included from stringinfo.c:20:
../../src/include/pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: stringinfo.o] Error 1
In file included from nodes.c:21:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: nodes.o] Error 1
In file included from ../../src/include/parser/parsenodes.h:26,
                 from value.c:19:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: value.o] Error 1
In file included from ../../src/utils/mmgr/mcxt.c:24:
../../src/include/pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: ../../src/utils/mmgr/mcxt.o] Error 1
In file included from ../../src/include/parser/kwlookup.h:18,
                 from ../../src/include/parser/keywords.h:18,
                 from keywords.c:18:
../../src/include/pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: keywords.o] Error 1
In file included from ../../src/include/parser/pool_parser.h:22,
                 from makefuncs.c:17:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: makefuncs.o] Error 1
In file included from ../../src/include/parser/pool_parser.h:22,
                 from scansup.c:16:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
In file included from ../../src/include/parser/pool_parser.h:22,
                 from ../../src/include/parser/stringinfo.h:25,
                 from ../../src/include/utils/elog.h:20,
                 from list.c:20:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: scansup.o] Error 1
make[3]: *** [Makefile:433: list.o] Error 1
In file included from ../../src/include/parser/pool_parser.h:22,
                 from parser.c:25:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: parser.o] Error 1
In file included from ../../src/utils/mmgr/aset.c:47:
../../src/include/pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: ../../src/utils/mmgr/aset.o] Error 1
In file included from ../../src/include/parser/pool_parser.h:22,
                 from wchar.c:8:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: wchar.o] Error 1
In file included from ../../src/include/parser/pool_parser.h:22,
                 from scan.c:33:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: scan.o] Error 1
In file included from outfuncs.c:19:
../../src/include/pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: outfuncs.o] Error 1
In file included from ../../src/include/pool.h:28,
                 from copyfuncs.c:24:
../../src/include/pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: copyfuncs.o] Error 1
In file included from ../../src/include/pool.h:28,
                 from ../../src/utils/error/elog.c:56:
../../src/include/pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: ../../src/utils/error/elog.o] Error 1
In file included from ../../src/include/parser/pool_parser.h:22,
                 from gram_minimal.y:48:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~
make[3]: *** [Makefile:433: gram_minimal.o] Error 1
In file included from ../../src/include/parser/pool_parser.h:22,
                 from gram.y:48:
../../src/include/parser/../pool_type.h:44:14: error: ‘bool’ cannot be defined via ‘typedef’
   44 | typedef char bool;
      |              ^~~~
../../src/include/parser/../pool_type.h:44:14: note: ‘bool’ is a keyword with ‘-std=c23’ onwards
../../src/include/parser/../pool_type.h:44:1: warning: useless type name in empty declaration
   44 | typedef char bool;
      | ^~~~~~~

[pengbo0328]

Thank you for reporting this issue.

Could you please try the following patch and let us know if it resolves the issue?
bool.patch

[devrimgunduz]

Hi @pengbo0328 ,

These are the errors after applying the patch:

gcc -DHAVE_CONFIG_H -DDEFAULT_CONFIGDIR=\"/etc/pgpool-II-pg17-extensions\" -DPGSQL_BIN_DIR=\"/usr/pgsql-17/bin\" -I. -I../src/include  -D_GNU_SOURCE -I /usr/pgsql-17/include   -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -Wall -Wmissing-prototypes -Wmissing-declarations -Wno-format-truncation -Wno-stringop-truncation -fno-strict-aliasing -c -o utils/sha2.o utils/sha2.c
utils/pool_relcache.c: In function ‘pool_discard_relcache’:
utils/pool_relcache.c:97:18: error: too many arguments to function ‘relcache->unregister_func’; expected 0, have 1
   97 |                 (*relcache->unregister_func) (relcache->cache[i].data);
      |                 ~^~~~~~~~~~~~~~~~~~~~~~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~
In file included from utils/pool_relcache.c:31:
../src/include/utils/pool_relcache.h:66:25: note: declared here
   66 |         func_ptr        unregister_func;
      |                         ^~~~~~~~~~~~~~~
utils/pool_relcache.c: In function ‘pool_search_relcache’:
utils/pool_relcache.c:256:27: error: too many arguments to function ‘relcache->register_func’; expected 0, have 1
  256 |                 result = (*relcache->register_func) (res);
      |                          ~^~~~~~~~~~~~~~~~~~~~~~~~~  ~~~
../src/include/utils/pool_relcache.h:60:25: note: declared here
   60 |         func_ptr        register_func;
      |                         ^~~~~~~~~~~~~
utils/pool_relcache.c:285:27: error: too many arguments to function ‘relcache->register_func’; expected 0, have 1
  285 |                 result = (*relcache->register_func) (res);
      |                          ~^~~~~~~~~~~~~~~~~~~~~~~~~  ~~~
../src/include/utils/pool_relcache.h:60:25: note: declared here
   60 |         func_ptr        register_func;
      |                         ^~~~~~~~~~~~~
utils/pool_relcache.c:352:18: error: too many arguments to function ‘relcache->unregister_func’; expected 0, have 1
  352 |                 (*relcache->unregister_func) (relcache->cache[index].data);
      |                 ~^~~~~~~~~~~~~~~~~~~~~~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:66:25: note: declared here
   66 |         func_ptr        unregister_func;
      |                         ^~~~~~~~~~~~~~~
make[3]: *** [Makefile:864: utils/pool_relcache.o] Error 1
make[3]: *** Waiting for unfinished jobs....
utils/pool_select_walker.c: In function ‘pool_has_function_call’:
utils/pool_select_walker.c:83:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
   83 |         raw_expression_tree_walker(node, function_call_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
In file included from utils/pool_select_walker.c:27:
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:43:13: note: ‘function_call_walker’ declared here
   43 | static bool function_call_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_get_terminate_backend_pid’:
utils/pool_select_walker.c:102:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  102 |         raw_expression_tree_walker(node, function_call_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:43:13: note: ‘function_call_walker’ declared here
   43 | static bool function_call_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_system_catalog’:
utils/pool_select_walker.c:122:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  122 |         raw_expression_tree_walker(node, system_catalog_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:44:13: note: ‘system_catalog_walker’ declared here
   44 | static bool system_catalog_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_temp_table’:
utils/pool_select_walker.c:141:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  141 |         raw_expression_tree_walker(node, temp_table_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:46:13: note: ‘temp_table_walker’ declared here
   46 | static bool temp_table_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_unlogged_table’:
utils/pool_select_walker.c:160:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  160 |         raw_expression_tree_walker(node, unlogged_table_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:47:13: note: ‘unlogged_table_walker’ declared here
   47 | static bool unlogged_table_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_view’:
utils/pool_select_walker.c:179:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  179 |         raw_expression_tree_walker(node, view_walker, &ctx);
      |                                          ^~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:48:13: note: ‘view_walker’ declared here
   48 | static bool view_walker(Node *node, void *context);
      |             ^~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_row_security’:
utils/pool_select_walker.c:198:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  198 |         raw_expression_tree_walker(node, row_security_enabled_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:50:13: note: ‘row_security_enabled_walker’ declared here
   50 | static bool row_security_enabled_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_insertinto_or_locking_clause’:
utils/pool_select_walker.c:216:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  216 |         raw_expression_tree_walker(node, insertinto_or_locking_clause_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:52:13: note: ‘insertinto_or_locking_clause_walker’ declared here
   52 | static bool insertinto_or_locking_clause_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘function_call_walker’:
utils/pool_select_walker.c:418:73: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  418 |                                 return raw_expression_tree_walker(node, function_call_walker, context);
      |                                                                         ^~~~~~~~~~~~~~~~~~~~
      |                                                                         |
      |                                                                         _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:366:1: note: ‘function_call_walker’ declared here
  366 | function_call_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:433:81: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  433 |                                         return raw_expression_tree_walker(node, function_call_walker, context);
      |                                                                                 ^~~~~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:366:1: note: ‘function_call_walker’ declared here
  366 | function_call_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:459:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  459 |         return raw_expression_tree_walker(node, function_call_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:366:1: note: ‘function_call_walker’ declared here
  366 | function_call_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘system_catalog_walker’:
utils/pool_select_walker.c:486:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  486 |         return raw_expression_tree_walker(node, system_catalog_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:466:1: note: ‘system_catalog_walker’ declared here
  466 | system_catalog_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘temp_table_walker’:
utils/pool_select_walker.c:513:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  513 |         return raw_expression_tree_walker(node, temp_table_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:493:1: note: ‘temp_table_walker’ declared here
  493 | temp_table_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘unlogged_table_walker’:
utils/pool_select_walker.c:543:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  543 |         return raw_expression_tree_walker(node, unlogged_table_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:520:1: note: ‘unlogged_table_walker’ declared here
  520 | unlogged_table_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘view_walker’:
utils/pool_select_walker.c:573:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  573 |         return raw_expression_tree_walker(node, view_walker, context);
      |                                                 ^~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:550:1: note: ‘view_walker’ declared here
  550 | view_walker(Node *node, void *context)
      | ^~~~~~~~~~~
utils/pool_select_walker.c: In function ‘row_security_enabled_walker’:
utils/pool_select_walker.c:603:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  603 |         return raw_expression_tree_walker(node, row_security_enabled_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:580:1: note: ‘row_security_enabled_walker’ declared here
  580 | row_security_enabled_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘is_system_catalog’:
utils/pool_select_walker.c:668:89: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  668 |                                                                                         int_register_func, int_unregister_func,
      |                                                                                         ^~~~~~~~~~~~~~~~~
      |                                                                                         |
      |                                                                                         void * (*)(POOL_SELECT_RESULT *)
In file included from utils/pool_select_walker.c:28:
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:668:108: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  668 |                                                                                         int_register_func, int_unregister_func,
      |                                                                                                            ^~~~~~~~~~~~~~~~~~~
      |                                                                                                            |
      |                                                                                                            void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c: In function ‘is_temp_table’:
utils/pool_select_walker.c:778:107: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  778 |                                                                                                           int_register_func, int_unregister_func,
      |                                                                                                           ^~~~~~~~~~~~~~~~~
      |                                                                                                           |
      |                                                                                                           void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:778:126: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  778 |                                                                                                           int_register_func, int_unregister_func,
      |                                                                                                                              ^~~~~~~~~~~~~~~~~~~
      |                                                                                                                              |
      |                                                                                                                              void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c: In function ‘is_unlogged_table’:
utils/pool_select_walker.c:874:89: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  874 |                                                                                         int_register_func, int_unregister_func,
      |                                                                                         ^~~~~~~~~~~~~~~~~
      |                                                                                         |
      |                                                                                         void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:874:108: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  874 |                                                                                         int_register_func, int_unregister_func,
      |                                                                                                            ^~~~~~~~~~~~~~~~~~~
      |                                                                                                            |
      |                                                                                                            void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c: In function ‘is_view’:
utils/pool_select_walker.c:945:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  945 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:945:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  945 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c: In function ‘row_security_enabled’:
utils/pool_select_walker.c:998:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  998 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:998:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  998 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_pgpool_regclass’:
utils/pool_select_walker.c:1039:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1039 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:1039:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1039 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c: In function ‘insertinto_or_locking_clause_walker’:
utils/pool_select_walker.c:1088:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1088 |         return raw_expression_tree_walker(node, insertinto_or_locking_clause_walker, ctx);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:1076:1: note: ‘insertinto_or_locking_clause_walker’ declared here
 1076 | insertinto_or_locking_clause_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_non_immutable_function_call’:
utils/pool_select_walker.c:1104:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1104 |         raw_expression_tree_walker(node, non_immutable_function_call_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:55:13: note: ‘non_immutable_function_call_walker’ declared here
   55 | static bool non_immutable_function_call_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘non_immutable_function_call_walker’:
utils/pool_select_walker.c:1186:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1186 |         return raw_expression_tree_walker(node, non_immutable_function_call_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:1117:1: note: ‘non_immutable_function_call_walker’ declared here
 1117 | non_immutable_function_call_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘function_volatile_property’:
utils/pool_select_walker.c:1273:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1273 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:1273:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1273 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c: In function ‘pool_table_name_to_oid’:
utils/pool_select_walker.c:1351:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1351 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:1351:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1351 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c: In function ‘pool_extract_table_oids_from_select_stmt’:
utils/pool_select_walker.c:1389:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1389 |         raw_expression_tree_walker(node, select_table_walker, ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:54:13: note: ‘select_table_walker’ declared here
   54 | static bool select_table_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘select_table_walker’:
utils/pool_select_walker.c:1444:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1444 |         return raw_expression_tree_walker(node, select_table_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:1398:1: note: ‘select_table_walker’ declared here
 1398 | select_table_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘function_has_return_type’:
utils/pool_select_walker.c:1665:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1665 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:75:98: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                         ~~~~~~~~~^~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:80:14: note: ‘int_register_func’ declared here
   80 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
utils/pool_select_walker.c:1665:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1665 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:75:122: note: expected ‘func_ptr’ {aka ‘void * (*)(void)’} but argument is of type ‘void * (*)(void *)’
   75 |                                                                                         func_ptr register_func, func_ptr unregister_func,
      |                                                                                                                 ~~~~~~~~~^~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:81:14: note: ‘int_unregister_func’ declared here
   81 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:37:17: note: ‘func_ptr’ declared here
   37 | typedef void *(*func_ptr) ();
      |                 ^~~~~~~~
make[3]: *** [Makefile:864: utils/pool_select_walker.o] Error 1
utils/pool_ssl.c: In function ‘initialize_ecdh’:
utils/pool_ssl.c:907:9: warning: ‘EC_KEY_new_by_curve_name’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  907 |         ecdh = EC_KEY_new_by_curve_name(nid);
      |         ^~~~
In file included from /usr/include/openssl/x509.h:33,
                 from /usr/include/openssl/ssl.h:32,
                 from ../src/include/pool.h:36,
                 from utils/pool_ssl.c:31:
/usr/include/openssl/ec.h:1017:31: note: declared here
 1017 | OSSL_DEPRECATEDIN_3_0 EC_KEY *EC_KEY_new_by_curve_name(int nid);
      |                               ^~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_ssl.c:917:9: warning: ‘EC_KEY_free’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  917 |         EC_KEY_free(ecdh);
      |         ^~~~~~~~~~~
/usr/include/openssl/ec.h:1022:28: note: declared here
 1022 | OSSL_DEPRECATEDIN_3_0 void EC_KEY_free(EC_KEY *key);
      |                            ^~~~~~~~~~~
utils/pool_ssl.c: In function ‘load_dh_file’:
utils/pool_ssl.c:947:9: warning: ‘PEM_read_DHparams’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  947 |         dh = PEM_read_DHparams(fp, NULL, NULL, NULL);
      |         ^~
In file included from /usr/include/openssl/ssl.h:37:
/usr/include/openssl/pem.h:473:1: note: declared here
  473 | DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, DHparams, DH)
      | ^~~~~~~~~~~~~~~~~~~
utils/pool_ssl.c:959:9: warning: ‘DH_check’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  959 |         if (DH_check(dh, &codes) == 0)
      |         ^~
In file included from /usr/include/openssl/dsa.h:31,
                 from /usr/include/openssl/x509.h:37:
/usr/include/openssl/dh.h:227:27: note: declared here
  227 | OSSL_DEPRECATEDIN_3_0 int DH_check(const DH *dh, int *codes);
      |                           ^~~~~~~~
utils/pool_ssl.c: In function ‘load_dh_buffer’:
utils/pool_ssl.c:998:9: warning: ‘PEM_read_bio_DHparams’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  998 |         dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
      |         ^~
/usr/include/openssl/pem.h:473:1: note: declared here
  473 | DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, DHparams, DH)
      | ^~~~~~~~~~~~~~~~~~~

[pengbo0328]

Thank you for your testing.

I’m sharing the new patch.
Please ignore OpenSSL warnings for now. This patch fixes all other compiler warnings and errors.

fedora_v4.6.patch

[devrimgunduz]

Hi @pengbo0328 ,

These are the errors that I got after applying just this patch:

gcc -DHAVE_CONFIG_H -DDEFAULT_CONFIGDIR=\"/etc/pgpool-II-pg17-extensions\" -DPGSQL_BIN_DIR=\"/usr/pgsql-17/bin\" -I. -I../src/include  -D_GNU_SOURCE -I /usr/pgsql-17/include   -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -Wall -Wmissing-prototypes -Wmissing-declarations -Wno-format-truncation -Wno-stringop-truncation -fno-strict-aliasing -c -o auth/pool_hba.o auth/pool_hba.c
utils/ssl_utils.c: In function ‘calculate_hmac_sha256’:
utils/ssl_utils.c:225:9: warning: ‘HMAC_CTX_new’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  225 |         ctx = HMAC_CTX_new();
      |         ^~~
In file included from /usr/include/openssl/ssl.h:38,
                 from ../src/include/pool.h:36,
                 from utils/ssl_utils.c:34:
/usr/include/openssl/hmac.h:33:33: note: declared here
   33 | OSSL_DEPRECATEDIN_3_0 HMAC_CTX *HMAC_CTX_new(void);
      |                                 ^~~~~~~~~~~~
utils/ssl_utils.c:226:9: warning: ‘HMAC_CTX_reset’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  226 |         HMAC_CTX_reset(ctx);
      |         ^~~~~~~~~~~~~~
/usr/include/openssl/hmac.h:34:27: note: declared here
   34 | OSSL_DEPRECATEDIN_3_0 int HMAC_CTX_reset(HMAC_CTX *ctx);
      |                           ^~~~~~~~~~~~~~
utils/ssl_utils.c:233:9: warning: ‘HMAC_Init_ex’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  233 |         HMAC_Init_ex(ctx, key, strlen(key), EVP_sha256(), NULL);
      |         ^~~~~~~~~~~~
/usr/include/openssl/hmac.h:43:27: note: declared here
   43 | OSSL_DEPRECATEDIN_3_0 int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
      |                           ^~~~~~~~~~~~
utils/ssl_utils.c:234:9: warning: ‘HMAC_Update’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  234 |         HMAC_Update(ctx, (unsigned char *) data, len);
      |         ^~~~~~~~~~~
/usr/include/openssl/hmac.h:45:27: note: declared here
   45 | OSSL_DEPRECATEDIN_3_0 int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
      |                           ^~~~~~~~~~~
utils/ssl_utils.c:235:9: warning: ‘HMAC_Final’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  235 |         HMAC_Final(ctx, (unsigned char *) str, &res_len);
      |         ^~~~~~~~~~
/usr/include/openssl/hmac.h:47:27: note: declared here
   47 | OSSL_DEPRECATEDIN_3_0 int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
      |                           ^~~~~~~~~~
utils/ssl_utils.c:237:9: warning: ‘HMAC_CTX_reset’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  237 |         HMAC_CTX_reset(ctx);
      |         ^~~~~~~~~~~~~~
/usr/include/openssl/hmac.h:34:27: note: declared here
   34 | OSSL_DEPRECATEDIN_3_0 int HMAC_CTX_reset(HMAC_CTX *ctx);
      |                           ^~~~~~~~~~~~~~
utils/ssl_utils.c:238:9: warning: ‘HMAC_CTX_free’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
  238 |         HMAC_CTX_free(ctx);
      |         ^~~~~~~~~~~~~
/usr/include/openssl/hmac.h:35:28: note: declared here
   35 | OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_free(HMAC_CTX *ctx);
      |                            ^~~~~~~~~~~~~
gcc -DHAVE_CONFIG_H -DDEFAULT_CONFIGDIR=\"/etc/pgpool-II-pg17-extensions\" -DPGSQL_BIN_DIR=\"/usr/pgsql-17/bin\" -I. -I../src/include  -D_GNU_SOURCE -I /usr/pgsql-17/include   -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -Wall -Wmissing-prototypes -Wmissing-declarations -Wno-format-truncation -Wno-stringop-truncation -fno-strict-aliasing -c -o auth/auth-scram.o auth/auth-scram.c
gcc -DHAVE_CONFIG_H -DDEFAULT_CONFIGDIR=\"/etc/pgpool-II-pg17-extensions\" -DPGSQL_BIN_DIR=\"/usr/pgsql-17/bin\" -I. -I../src/include  -D_GNU_SOURCE -I /usr/pgsql-17/include   -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -Wall -Wmissing-prototypes -Wmissing-declarations -Wno-format-truncation -Wno-stringop-truncation -fno-strict-aliasing -c -o protocol/pool_proto2.o protocol/pool_proto2.c
utils/pool_relcache.c: In function ‘pool_create_relcache’:
utils/pool_relcache.c:78:26: error: assignment to ‘void * (*)(void *)’ from incompatible pointer type ‘void * (*)(void)’ [-Wincompatible-pointer-types]
   78 |         p->register_func = register_func;
      |                          ^
utils/pool_relcache.c:79:28: error: assignment to ‘void * (*)(void *)’ from incompatible pointer type ‘void * (*)(void)’ [-Wincompatible-pointer-types]
   79 |         p->unregister_func = unregister_func;
      |                            ^
make[3]: *** [Makefile:864: utils/pool_relcache.o] Error 1
make[3]: *** Waiting for unfinished jobs....
utils/pool_select_walker.c: In function ‘pool_has_function_call’:
utils/pool_select_walker.c:83:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
   83 |         raw_expression_tree_walker(node, function_call_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
In file included from utils/pool_select_walker.c:27:
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:43:13: note: ‘function_call_walker’ declared here
   43 | static bool function_call_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_get_terminate_backend_pid’:
utils/pool_select_walker.c:102:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  102 |         raw_expression_tree_walker(node, function_call_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:43:13: note: ‘function_call_walker’ declared here
   43 | static bool function_call_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_system_catalog’:
utils/pool_select_walker.c:122:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  122 |         raw_expression_tree_walker(node, system_catalog_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:44:13: note: ‘system_catalog_walker’ declared here
   44 | static bool system_catalog_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_temp_table’:
utils/pool_select_walker.c:141:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  141 |         raw_expression_tree_walker(node, temp_table_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:46:13: note: ‘temp_table_walker’ declared here
   46 | static bool temp_table_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_unlogged_table’:
utils/pool_select_walker.c:160:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  160 |         raw_expression_tree_walker(node, unlogged_table_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:47:13: note: ‘unlogged_table_walker’ declared here
   47 | static bool unlogged_table_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_view’:
utils/pool_select_walker.c:179:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  179 |         raw_expression_tree_walker(node, view_walker, &ctx);
      |                                          ^~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:48:13: note: ‘view_walker’ declared here
   48 | static bool view_walker(Node *node, void *context);
      |             ^~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_row_security’:
utils/pool_select_walker.c:198:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  198 |         raw_expression_tree_walker(node, row_security_enabled_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:50:13: note: ‘row_security_enabled_walker’ declared here
   50 | static bool row_security_enabled_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_insertinto_or_locking_clause’:
utils/pool_select_walker.c:216:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  216 |         raw_expression_tree_walker(node, insertinto_or_locking_clause_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:52:13: note: ‘insertinto_or_locking_clause_walker’ declared here
   52 | static bool insertinto_or_locking_clause_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘function_call_walker’:
utils/pool_select_walker.c:418:73: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  418 |                                 return raw_expression_tree_walker(node, function_call_walker, context);
      |                                                                         ^~~~~~~~~~~~~~~~~~~~
      |                                                                         |
      |                                                                         _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:366:1: note: ‘function_call_walker’ declared here
  366 | function_call_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:433:81: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  433 |                                         return raw_expression_tree_walker(node, function_call_walker, context);
      |                                                                                 ^~~~~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:366:1: note: ‘function_call_walker’ declared here
  366 | function_call_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:459:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  459 |         return raw_expression_tree_walker(node, function_call_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:366:1: note: ‘function_call_walker’ declared here
  366 | function_call_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘system_catalog_walker’:
utils/pool_select_walker.c:486:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  486 |         return raw_expression_tree_walker(node, system_catalog_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:466:1: note: ‘system_catalog_walker’ declared here
  466 | system_catalog_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘temp_table_walker’:
utils/pool_select_walker.c:513:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  513 |         return raw_expression_tree_walker(node, temp_table_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:493:1: note: ‘temp_table_walker’ declared here
  493 | temp_table_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘unlogged_table_walker’:
utils/pool_select_walker.c:543:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  543 |         return raw_expression_tree_walker(node, unlogged_table_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:520:1: note: ‘unlogged_table_walker’ declared here
  520 | unlogged_table_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘view_walker’:
utils/pool_select_walker.c:573:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  573 |         return raw_expression_tree_walker(node, view_walker, context);
      |                                                 ^~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:550:1: note: ‘view_walker’ declared here
  550 | view_walker(Node *node, void *context)
      | ^~~~~~~~~~~
utils/pool_select_walker.c: In function ‘row_security_enabled_walker’:
utils/pool_select_walker.c:603:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
  603 |         return raw_expression_tree_walker(node, row_security_enabled_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:580:1: note: ‘row_security_enabled_walker’ declared here
  580 | row_security_enabled_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘is_system_catalog’:
utils/pool_select_walker.c:668:89: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  668 |                                                                                         int_register_func, int_unregister_func,
      |                                                                                         ^~~~~~~~~~~~~~~~~
      |                                                                                         |
      |                                                                                         void * (*)(POOL_SELECT_RESULT *)
In file included from utils/pool_select_walker.c:28:
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:668:108: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  668 |                                                                                         int_register_func, int_unregister_func,
      |                                                                                                            ^~~~~~~~~~~~~~~~~~~
      |                                                                                                            |
      |                                                                                                            void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘is_temp_table’:
utils/pool_select_walker.c:778:107: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  778 |                                                                                                           int_register_func, int_unregister_func,
      |                                                                                                           ^~~~~~~~~~~~~~~~~
      |                                                                                                           |
      |                                                                                                           void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:778:126: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  778 |                                                                                                           int_register_func, int_unregister_func,
      |                                                                                                                              ^~~~~~~~~~~~~~~~~~~
      |                                                                                                                              |
      |                                                                                                                              void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘is_unlogged_table’:
utils/pool_select_walker.c:874:89: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  874 |                                                                                         int_register_func, int_unregister_func,
      |                                                                                         ^~~~~~~~~~~~~~~~~
      |                                                                                         |
      |                                                                                         void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:874:108: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  874 |                                                                                         int_register_func, int_unregister_func,
      |                                                                                                            ^~~~~~~~~~~~~~~~~~~
      |                                                                                                            |
      |                                                                                                            void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘is_view’:
utils/pool_select_walker.c:945:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  945 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:945:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  945 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘row_security_enabled’:
utils/pool_select_walker.c:998:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  998 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:998:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
  998 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_pgpool_regclass’:
utils/pool_select_walker.c:1039:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1039 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:1039:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1039 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘insertinto_or_locking_clause_walker’:
utils/pool_select_walker.c:1088:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1088 |         return raw_expression_tree_walker(node, insertinto_or_locking_clause_walker, ctx);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:1076:1: note: ‘insertinto_or_locking_clause_walker’ declared here
 1076 | insertinto_or_locking_clause_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_has_non_immutable_function_call’:
utils/pool_select_walker.c:1104:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1104 |         raw_expression_tree_walker(node, non_immutable_function_call_walker, &ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:55:13: note: ‘non_immutable_function_call_walker’ declared here
   55 | static bool non_immutable_function_call_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘non_immutable_function_call_walker’:
utils/pool_select_walker.c:1186:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1186 |         return raw_expression_tree_walker(node, non_immutable_function_call_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:1117:1: note: ‘non_immutable_function_call_walker’ declared here
 1117 | non_immutable_function_call_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘function_volatile_property’:
utils/pool_select_walker.c:1273:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1273 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:1273:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1273 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_table_name_to_oid’:
utils/pool_select_walker.c:1351:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1351 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:1351:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1351 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘pool_extract_table_oids_from_select_stmt’:
utils/pool_select_walker.c:1389:42: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1389 |         raw_expression_tree_walker(node, select_table_walker, ctx);
      |                                          ^~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:54:13: note: ‘select_table_walker’ declared here
   54 | static bool select_table_walker(Node *node, void *context);
      |             ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘select_table_walker’:
utils/pool_select_walker.c:1444:49: error: passing argument 2 of ‘raw_expression_tree_walker’ from incompatible pointer type [-Wincompatible-pointer-types]
 1444 |         return raw_expression_tree_walker(node, select_table_walker, context);
      |                                                 ^~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 _Bool (*)(Node *, void *)
../src/include/utils/pool_select_walker.h:69:59: note: expected ‘_Bool (*)(void)’ but argument is of type ‘_Bool (*)(Node *, void *)’
   69 | extern bool raw_expression_tree_walker(Node *node, bool (*walker) (), void *context);
      |                                                    ~~~~~~~^~~~~~~~~~
utils/pool_select_walker.c:1398:1: note: ‘select_table_walker’ declared here
 1398 | select_table_walker(Node *node, void *context)
      | ^~~~~~~~~~~~~~~~~~~
utils/pool_select_walker.c: In function ‘function_has_return_type’:
utils/pool_select_walker.c:1665:81: error: passing argument 3 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1665 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                 ^~~~~~~~~~~~~~~~~
      |                                                                                 |
      |                                                                                 void * (*)(POOL_SELECT_RESULT *)
../src/include/utils/pool_relcache.h:73:84: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(POOL_SELECT_RESULT *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                            ~~~~~~~~^~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:78:14: note: ‘int_register_func’ declared here
   78 | extern void *int_register_func(POOL_SELECT_RESULT * res);
      |              ^~~~~~~~~~~~~~~~~
utils/pool_select_walker.c:1665:100: error: passing argument 4 of ‘pool_create_relcache’ from incompatible pointer type [-Wincompatible-pointer-types]
 1665 |                                                                                 int_register_func, int_unregister_func,
      |                                                                                                    ^~~~~~~~~~~~~~~~~~~
      |                                                                                                    |
      |                                                                                                    void * (*)(void *)
../src/include/utils/pool_relcache.h:73:111: note: expected ‘void * (*)(void)’ but argument is of type ‘void * (*)(void *)’
   73 |                                                                            void *(*register_func) (), void *(*unregister_func) (),
      |                                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~
../src/include/utils/pool_relcache.h:79:14: note: ‘int_unregister_func’ declared here
   79 | extern void *int_unregister_func(void *data);
      |              ^~~~~~~~~~~~~~~~~~~
make[3]: *** [Makefile:864: utils/pool_select_walker.o] Error 1
main/pgpool_main.c: In function ‘PgpoolMain’:
main/pgpool_main.c:625:85: error: passing argument 2 of ‘worker_fork_a_child’ from incompatible pointer type [-Wincompatible-pointer-types]
  625 |                         health_check_pids[i] = worker_fork_a_child(PT_HEALTH_CHECK, do_health_check_child, &i);
      |                                                                                     ^~~~~~~~~~~~~~~~~~~~~
      |                                                                                     |
      |                                                                                     void (*)(int *)
main/pgpool_main.c:154:59: note: expected ‘void (*)(void)’ but argument is of type ‘void (*)(int *)’
  154 | static pid_t worker_fork_a_child(ProcessType type, void (*func) (), void *params);
      |                                                    ~~~~~~~^~~~~~~~
In file included from main/pgpool_main.c:46:
../src/include/main/health_check.h:46:13: note: ‘do_health_check_child’ declared here
   46 | extern void do_health_check_child(int *node_id);
      |             ^~~~~~~~~~~~~~~~~~~~~
main/pgpool_main.c: In function ‘worker_fork_a_child’:
main/pgpool_main.c:912:17: error: too many arguments to function ‘func’; expected 0, have 1
  912 |                 func(params);
      |                 ^~~~ ~~~~~~
main/pgpool_main.c: In function ‘reaper’:
main/pgpool_main.c:2036:109: error: passing argument 2 of ‘worker_fork_a_child’ from incompatible pointer type [-Wincompatible-pointer-types]
 2036 |                                                 health_check_pids[i] = worker_fork_a_child(PT_HEALTH_CHECK, do_health_check_child, &i);
      |                                                                                                             ^~~~~~~~~~~~~~~~~~~~~
      |                                                                                                             |
      |                                                                                                             void (*)(int *)
main/pgpool_main.c:879:46: note: expected ‘void (*)(void)’ but argument is of type ‘void (*)(int *)’
  879 | worker_fork_a_child(ProcessType type, void (*func) (), void *params)
      |                                       ~~~~~~~^~~~~~~~
../src/include/main/health_check.h:46:13: note: ‘do_health_check_child’ declared here
   46 | extern void do_health_check_child(int *node_id);
      |             ^~~~~~~~~~~~~~~~~~~~~
main/pgpool_main.c: In function ‘sync_backend_from_watchdog’:
main/pgpool_main.c:3871:85: error: passing argument 2 of ‘worker_fork_a_child’ from incompatible pointer type [-Wincompatible-pointer-types]
 3871 |                         health_check_pids[i] = worker_fork_a_child(PT_HEALTH_CHECK, do_health_check_child, &i);
      |                                                                                     ^~~~~~~~~~~~~~~~~~~~~
      |                                                                                     |
      |                                                                                     void (*)(int *)
main/pgpool_main.c:879:46: note: expected ‘void (*)(void)’ but argument is of type ‘void (*)(int *)’
  879 | worker_fork_a_child(ProcessType type, void (*func) (), void *params)
      |                                       ~~~~~~~^~~~~~~~
../src/include/main/health_check.h:46:13: note: ‘do_health_check_child’ declared here
   46 | extern void do_health_check_child(int *node_id);
      |             ^~~~~~~~~~~~~~~~~~~~~
main/pgpool_main.c: In function ‘exec_child_restart’:
main/pgpool_main.c:4778:93: error: passing argument 2 of ‘worker_fork_a_child’ from incompatible pointer type [-Wincompatible-pointer-types]
 4778 |                                 health_check_pids[i] = worker_fork_a_child(PT_HEALTH_CHECK, do_health_check_child, &i);
      |                                                                                             ^~~~~~~~~~~~~~~~~~~~~
      |                                                                                             |
      |                                                                                             void (*)(int *)
main/pgpool_main.c:879:46: note: expected ‘void (*)(void)’ but argument is of type ‘void (*)(int *)’
  879 | worker_fork_a_child(ProcessType type, void (*func) (), void *params)
      |                                       ~~~~~~~^~~~~~~~
../src/include/main/health_check.h:46:13: note: ‘do_health_check_child’ declared here
   46 | extern void do_health_check_child(int *node_id);
      |             ^~~~~~~~~~~~~~~~~~~~~
make[3]: *** [Makefile:864: main/pgpool_main.o] Error 1

[pengbo0328]

Thank you for testing.
Could you try the following patch?

v2-0001-Allow-to-compile-against-gcc-15-C23.patch

[strophy]

Thank you @pengbo0328 this patch resolves all GCC15 build errors for me with v4.6.3 under Alpine Linux

https://gitlab.alpinelinux.org/alpine/aports/-/merge_requests/89470