add needed pkg-config changes

Author: Murmele

CMakeLists.txt

@@ -1,9 +1,20 @@
 cmake_minimum_required(VERSION 3.10)
 
-project(dbc)
+project(dbc VERSION 0.1.1 DESCRIPTION "C++ DBC Parser")
+
+# package
+set(CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
+set(CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR})
+set(CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH})
+set(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_CURRENT_SOURCE_DIR}/LICENSE)
+set(CPACK_RESOURCE_FILE_README ${CMAKE_CURRENT_SOURCE_DIR}/README.md)
+include(CPack)
 
 option(DEBUG "use debug flag" NO)
 
+# defines variables used in the dbc.pc.in
+include(GNUInstallDirs)
+
 # specify the C++ standard
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
@@ -40,3 +51,9 @@ add_custom_target(release
 					WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
 					COMMAND ${CMAKE_SOURCE_DIR}/scripts/create_single_header.sh
 					DEPENDS ${PROJECT_NAME})
+
+# Generate pkg-config file
+configure_file(${PROJECT_NAME}.pc.in ${PROJECT_NAME}.pc @ONLY)
+install(
+    FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)

dbc.pc.in

@@ -0,0 +1,10 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+
+Name: @PROJECT_NAME@
+Description: @CPACK_PACKAGE_DESCRIPTION_SUMMARY@
+Version: @CPACK_PACKAGE_VERSION@
+Cflags: -I${includedir}
+Libs: -L${libdir} -l@PROJECT_NAME@