updated build system

CMakeLists.txt

@@ -22,9 +22,20 @@ include(cmake/functions.cmake)
 include(cmake/libraries.cmake)
 
 if(PROJECT_BUILD)
+  execute_process(
+    COMMAND git rev-parse --short HEAD
+    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+    OUTPUT_VARIABLE PROJECT_GIT_REV 
+    ERROR_QUIET
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+
+  file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/version.cpp "")
+
   file(GLOB_RECURSE ADDITIONAL_SOURCES 
     ${PROJECT_3RD_PARTY_DIR}/src/*.c
     ${PROJECT_3RD_PARTY_DIR}/src/*.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/version.cpp
   )
 
   list(APPEND PROJECT_ADDITIONAL_SOURCES
@@ -36,15 +47,14 @@ if(PROJECT_BUILD)
 
   include(project.cmake)
 
-  if (PROJECT_VERSION)
-    file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/build/version.sh "export PROJECT_VERSION=${PROJECT_VERSION}")
-    add_definitions(-DPROJECT_VERSION=\"${PROJECT_VERSION}\")
-  endif()
+  configure_file(
+    ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/version.cpp.in 
+    ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/version.cpp
+    @ONLY
+  )
 
-  if (PROJECT_GIT_REV)
-    file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/build/git_rev.sh "export PROJECT_GIT_REV=${PROJECT_GIT_REV}")
-    add_definitions(-DPROJECT_GIT_REV=\"${PROJECT_GIT_REV}\")
-  endif()
+  file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/build/version.sh "export PROJECT_VERSION=${PROJECT_VERSION}")
+  file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/build/git_rev.sh "export PROJECT_GIT_REV=${PROJECT_GIT_REV}")
 else()
   message(STATUS "-=[CMake Settings]=-")
   message(STATUS "  C standard: ${CMAKE_C_STANDARD}")