Merge pull request #8 from orange-cpp/u/orange-cpp/find_package

Added find_package support

CMakeLists.txt

@@ -1,13 +1,14 @@
 cmake_minimum_required(VERSION 3.26)
 
+project(omath VERSION 1.0.0)
+
 
-project(omath)
 
 set(CMAKE_CXX_STANDARD 26)
 
 option(OMATH_BUILD_TESTS "Build unit tests" ON)
-option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to threat them as errors" ON)
-option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so\\.dll." OFF)
+option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON)
+option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF)
 
 if (OMATH_BUILD_AS_SHARED_LIBRARY)
     add_library(omath SHARED source/Vector3.cpp)
@@ -20,7 +21,7 @@ add_subdirectory(extlibs)
 
 if(OMATH_BUILD_TESTS)
     add_subdirectory(tests)
-endif ()
+endif()
 
 if (WIN32 AND OMATH_THREAT_WARNING_AS_ERROR)
     target_compile_options(omath PRIVATE /W4 /WX)
@@ -28,4 +29,51 @@ elseif(UNIX AND OMATH_THREAT_WARNING_AS_ERROR)
     target_compile_options(omath PRIVATE -Wall -Wextra -Wpedantic)
 endif()
 
-target_include_directories(omath PUBLIC include)
+target_include_directories(omath
+        PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>   # Use this path when building the project
+        $<INSTALL_INTERFACE:include>                             # Use this path when the project is installed
+)
+
+
+# Installation rules
+
+# Install the library
+install(TARGETS omath
+        EXPORT omathTargets
+        ARCHIVE DESTINATION lib COMPONENT omath_component   # For static libraries
+        LIBRARY DESTINATION lib COMPONENT omath_component   # For shared libraries
+        RUNTIME DESTINATION bin COMPONENT omath_component   # For executables (on Windows)
+)
+
+# Install headers as part of omath_component
+install(DIRECTORY include/ DESTINATION include COMPONENT omath_component)
+
+# Export omath target for CMake find_package support, also under omath_component
+install(EXPORT omathTargets
+        FILE omathTargets.cmake
+        NAMESPACE omath::
+        DESTINATION lib/cmake/omath COMPONENT omath_component
+)
+
+
+# Generate the omathConfigVersion.cmake file
+write_basic_package_version_file(
+        "${CMAKE_CURRENT_BINARY_DIR}/omathConfigVersion.cmake"
+        VERSION ${PROJECT_VERSION}
+        COMPATIBILITY AnyNewerVersion
+)
+
+# Generate the omathConfig.cmake file from the template (which is in the cmake/ folder)
+configure_package_config_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/omathConfig.cmake.in"  # Path to the .in file
+        "${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake"           # Output path for the generated file
+        INSTALL_DESTINATION lib/cmake/omath
+)
+
+# Install the generated config files
+install(FILES
+        "${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake"
+        "${CMAKE_CURRENT_BINARY_DIR}/omathConfigVersion.cmake"
+        DESTINATION lib/cmake/omath
+)

cmake/omathConfig.cmake.in

@@ -0,0 +1,6 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+
+# Load the targets for the omath library
+include("${CMAKE_CURRENT_LIST_DIR}/omathTargets.cmake")