Improved git revision management

CMakeLists.txt

@@ -38,9 +38,13 @@ get_git_head_revision(GITREV GITHASH)
 git_local_changes(GITHASLOCALCHANGES)
 message("git rev ${GITREV} : ${GITHASH} (${GITHASLOCALCHANGES})")
 
-file(WRITE  "${CMAKE_BINARY_DIR}/git_revision.hpp" "#define GITREV \"${GITREV}\"\n")
-file(APPEND "${CMAKE_BINARY_DIR}/git_revision.hpp" "#define GITHASH \"${GITHASH}\"\n")
-file(APPEND "${CMAKE_BINARY_DIR}/git_revision.hpp" "#define GITHASLOCALCHANGES \"${GITHASLOCALCHANGES}\"\n")
+#file(WRITE  "${CMAKE_BINARY_DIR}/git_revision.hpp.in" "#define GITREV \"${GITREV}\"\n")
+#file(APPEND "${CMAKE_BINARY_DIR}/git_revision.hpp.in" "#define GITHASH \"${GITHASH}\"\n")
+#file(APPEND "${CMAKE_BINARY_DIR}/git_revision.hpp.in" "#define GITHASLOCALCHANGES \"${GITHASLOCALCHANGES}\"\n")
+
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/git_revision.hpp.in" "${CMAKE_CURRENT_BINARY_DIR}/git_revision.hpp")
+
+list(APPEND SOURCES git_revision.hpp)
 
 include_directories(${CMAKE_BINARY_DIR})
 

git_revision.hpp.in

+#define GITREV "@GITREV@"
+#define GITHASH "@GITHASH@"
+#define GITHASLOCALCHANGES "@GITHASLOCALCHANGES@"