only strip string if not empty

2015-12-15 15:18:35 +01:00 · 2015-12-15 15:18:35 +01:00 · 0c61c54b73
commit 0c61c54b73
parent 4c360122c8
1 changed files with 4 additions and 1 deletions
--- a/modules/git_info/git_info_sub.cmake
+++ b/modules/git_info/git_info_sub.cmake
@ -42,7 +42,10 @@ if(GIT_FOUND)
        OUTPUT_VARIABLE _git_branch
        ERROR_QUIET
        )
-    string(STRIP ${_git_branch} _git_branch)
+
+    if(_git_branch)
+        string(STRIP ${_git_branch} _git_branch)
+    endif()
 endif()

 # CMAKE_CURRENT_LIST_DIR is undefined in CMake 2.8.2