Add cmake package targets

Author: bmarques1995

src/CMakeLists.txt

@@ -198,6 +198,30 @@ add_feature_info(iconv GIT_USE_ICONV "iconv encoding conversion support")
 # Include child projects
 #
 
+set(LIBGIT2_GENERATED_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated")
+set(LIBGIT2_VERSION_CONFIG "${LIBGIT2_GENERATED_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
+set(LIBGIT2_PROJECT_CONFIG "${LIBGIT2_GENERATED_DIR}/${PROJECT_NAME}Config.cmake")
+set(LIBGIT2_TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
+set(LIBGIT2_CONFIG_INSTALL_DIR "lib/cmake/${PROJECT_NAME}")
+set(LIBGIT2_NAMESPACE "${PROJECT_NAME}::")
+set(LIBGIT2_VERSION ${PROJECT_VERSION})
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+  "${LIBGIT2_VERSION_CONFIG}" VERSION ${LIBGIT2_VERSION} COMPATIBILITY SameMajorVersion
+)
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake_utils/config.cmake.in" "${LIBGIT2_PROJECT_CONFIG}" @ONLY)
+
+# Install cmake config files
+install(
+  FILES "${LIBGIT2_PROJECT_CONFIG}" "${LIBGIT2_VERSION_CONFIG}"
+  DESTINATION "${LIBGIT2_CONFIG_INSTALL_DIR}")
+
+install(
+  EXPORT "${LIBGIT2_TARGETS_EXPORT_NAME}"
+  NAMESPACE "${LIBGIT2_NAMESPACE}"
+  DESTINATION "${LIBGIT2_CONFIG_INSTALL_DIR}")
+
 add_subdirectory(libgit2)
 add_subdirectory(util)
 

src/cli/CMakeLists.txt

@@ -54,4 +54,4 @@ if(MSVC_IDE)
 	set_source_files_properties(win32/precompiled.c COMPILE_FLAGS "/Ycprecompiled.h")
 endif()
 
-install(TARGETS git2_cli RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(TARGETS git2_cli EXPORT ${LIBGIT2_TARGETS_EXPORT_NAME} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})

src/cmake_utils/config.cmake.in

@@ -0,0 +1,3 @@
+include(CMakeFindDependencyMacro)
+
+include("${CMAKE_CURRENT_LIST_DIR}/@[email protected]")

src/libgit2/CMakeLists.txt

@@ -59,6 +59,7 @@ set(LIBGIT2_SYSTEM_LIBS ${LIBGIT2_SYSTEM_LIBS} PARENT_SCOPE)
 add_library(libgit2package ${SRC_RC} ${LIBGIT2_OBJECTS})
 target_link_libraries(libgit2package ${LIBGIT2_SYSTEM_LIBS})
 target_include_directories(libgit2package SYSTEM PRIVATE ${LIBGIT2_INCLUDES})
+target_include_directories(libgit2package INTERFACE $<INSTALL_INTERFACE:./include/git2>)
 
 set_target_properties(libgit2package PROPERTIES C_STANDARD 90)
 set_target_properties(libgit2package PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
@@ -105,6 +106,7 @@ FILE(WRITE "${PROJECT_BINARY_DIR}/include/${LIBGIT2_FILENAME}.h" ${LIBGIT2_INCLU
 # Install
 
 install(TARGETS libgit2package
+	EXPORT ${LIBGIT2_TARGETS_EXPORT_NAME} 
 	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
 	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})