add more argument options for cmake

Author: melode11

CMakeLists.txt

@@ -1,19 +1,37 @@
 cmake_minimum_required (VERSION 2.6)
 PROJECT(sioclient)
 
-set(BOOST_PATH "./boost" CACHE STRING "boost root path" )
-set(BOOST_ROOT ${BOOST_PATH} )
-#set(BOOST_INCLUDEDIR "${BOOST_PATH}/include" )
-#set(BOOST_LIBRARYDIR "${BOOST_PATH}/lib" )
+set(BOOST_VER "1.55.0" CACHE STRING "boost version" )
+set(BOOST_PATH "__boost__" CACHE STRING "boost root path" )
+
+if(${BOOST_PATH} STREQUAL "__boost__" )
+    set(BOOST_INCLUDE "__boost__" CACHE STRING "boost include path" )
+    set(BOOST_LIB "__boost__" CACHE STRING "boost lib path" )
+    MESSAGE(STATUS "BOOST_PATH not set, find BOOST_INCLUDE and BOOST_LIB" )
+
+    if(${BOOST_INCLUDE} STREQUAL "__boost__" OR ${BOOST_LIB} STREQUAL "__boost__" )
+        MESSAGE(SEND_ERROR "You need to specify either BOOST_PATH or BOOST_INCLUDE & BOOST_LIB" )
+        return()
+    else()
+        MESSAGE(STATUS "got include " ${BOOST_INCLUDE} )
+        MESSAGE(STATUS "got lib " ${BOOST_LIB} )
+        set(BOOST_INCLUDEDIR ${BOOST_INCLUDE} )
+        set(BOOST_LIBRARYDIR ${BOOST_LIB} )
+    endif()
+else()
+    MESSAGE(STATUS "got path " ${BOOST_PATH} )
+    set(BOOST_ROOT ${BOOST_PATH} )
+endif()
 set(Boost_DEBUG 1)
 set(Boost_USE_STATIC_LIBS ON) 
 set(Boost_USE_MULTITHREADED ON) 
 set(Boost_USE_STATIC_RUNTIME OFF) 
-find_package(Boost 1.55.0 COMPONENTS system date_time random) 
+find_package(Boost ${BOOST_VER} COMPONENTS system date_time random) 
 
 if(Boost_FOUND)
     include_directories(${Boost_INCLUDE_DIRS} ${PROJECT_SOURCE_DIR}/src ${PROJECT_SOURCE_DIR}/lib/websocketpp ${PROJECT_SOURCE_DIR}/lib/rapidjson/include) 
     aux_source_directory(${PROJECT_SOURCE_DIR}/src ALL_SRC)
+    MESSAGE( STATUS "SRC FILES:        " ${ALL_SRC} )
     add_library(sioclient STATIC ${ALL_SRC}) 
     target_link_libraries(sioclient ${Boost_LIBRARIES})
 endif()