From cd9310d6f9eb61b1b61e6a8e7f16a1c32a74a586 Mon Sep 17 00:00:00 2001
From: Zara Zlatanova <laramitz@gmail.com>
Date: Sun, 30 Nov 2025 21:00:13 +0100
Subject: [PATCH] feat: create package.py + feat: add options to CMakeLists.txt

---
 CMakeLists.txt | 31 +++++++++++++++++++------------
 package.py     | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+), 12 deletions(-)
 create mode 100644 package.py

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 97abfba..cd9aef0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,17 +1,24 @@
 cmake_minimum_required(VERSION "3.12")
 
-project("spackexample" VERSION 0.3.0)
-
-find_package(Boost
-  1.65.1
-  REQUIRED
-  filesystem
-  )
-
-find_package(yaml-cpp
-  0.7.0
-  REQUIRED
-  )
+project("spackexample" VERSION 0.3.1)
+
+option(BOOST "Enable boost support" ON)
+option(YAML "Enable yaml support" ON)
+
+if(BOOST)
+  find_package(Boost
+    1.65.1
+    REQUIRED
+    filesystem
+    )
+endif()
+
+if(YAML)
+  find_package(yaml-cpp
+    0.7.0
+    REQUIRED
+    )
+endif()
 
 add_library(spackexamplelib filesystem/filesystem.cpp flatset/flatset.cpp yamlParser/yamlParser.cpp)
 
diff --git a/package.py b/package.py
new file mode 100644
index 0000000..460dbe3
--- /dev/null
+++ b/package.py
@@ -0,0 +1,49 @@
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+# ----------------------------------------------------------------------------
+# If you submit this package back to Spack as a pull request,
+# please first remove this boilerplate and all FIXME comments.
+#
+# This is a template package file for Spack.  We've put "FIXME"
+# next to all the things you'll want to change. Once you've handled
+# them, you can save this file and test your package like this:
+#
+#     spack install spack-exercise
+#
+# You can edit this file again by typing:
+#
+#     spack edit spack-exercise
+#
+# See the Spack documentation for more information on packaging.
+# ----------------------------------------------------------------------------
+
+from spack_repo.builtin.build_systems.cmake import CMakePackage
+
+from spack.package import *
+
+
+class SpackExercise(CMakePackage):
+    "This package serves all spack-exercise releases."
+
+    homepage = "https://simulation-software-engineering.github.io/homepage/"
+    url = "https://github.com/Simulation-Software-Engineering/spack-exercise/archive/refs/tags/v0.3.0.tar.gz"
+
+    version("main", git="https://github.com/Simulation-Software-Engineering/spack-exercise.git")
+
+    maintainers("zezl7")
+
+    license("MIT", checked_by="zezl7")
+
+    version("0.3.0", sha256="c179ccc9d56b724fcb7eeff8cebbc1afe2797929b99aa6e7d9b8478a014f2d02")
+    version("0.2.0", sha256="010c900a3d4770116844636b89c1e42b1920f27c3da615543fb14f2ae9bb7f64")
+    version("0.1.0", sha256="f1c212a58376fd78e9854576627e6927d7cb93ccffe3a162b1664570c491e3a7")
+
+    variant("boost", default=True, description="Enable boost support")
+    variant("yaml", default =True, description="Enable yaml support")
+
+    depends_on("cxx", type="build")
+    depends_on("c", type="build")
+    depends_on("boost", when="@0.2.0:+boost")
+    depends_on("yaml-cpp", when="@0.3.0+yaml")
\ No newline at end of file