fix version for clang (#1417)

Author: Shamzik

cmake/init-global-vars.cmake

@@ -83,7 +83,10 @@ endif()
 set_property(SOURCE ${COMMON_DIR}/version-string.cpp
              APPEND
              PROPERTY COMPILE_DEFINITIONS
-             COMMIT="${GIT_COMMIT} ${VERSION_SUFFIX}" BUILD_TIMESTAMP=${BUILD_TIMESTAMP})
+             COMMIT="${GIT_COMMIT} ${VERSION_SUFFIX}"
+             BUILD_TIMESTAMP=${BUILD_TIMESTAMP}
+             CMAKE_CXX_COMPILER_ID_STR="${CMAKE_CXX_COMPILER_ID}"
+             CMAKE_CXX_COMPILER_VERSION_STR="${CMAKE_CXX_COMPILER_VERSION}")
 
 set(VK_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/share/vkontakte)
 set(INSTALL_KPHP_SOURCE ${VK_INSTALL_DIR}/kphp_source)

common/version-string.cpp

@@ -31,7 +31,7 @@ void init_version_string(const char* version) {
     strcpy(date_str, "unknown time");
   }
   snprintf(FullVersionStr, sizeof(FullVersionStr) - 1,
-           "%s compiled at %s by gcc " __VERSION__ " "
+           "%s compiled at %s by " CMAKE_CXX_COMPILER_ID_STR " " CMAKE_CXX_COMPILER_VERSION_STR " "
 #ifdef __LP64__
            "64-bit"
 #else