Don’t print failure to “git describe” to stderr

diff --git a/cmake/CcacheVersion.cmake b/cmake/CcacheVersion.cmake
index eb7d7314f912cbb6a05d490b6cb9c6065168208b..6247ed90e6b7e27fa3401c9d41d96e9ff80ebfcf 100644 (file)
--- a/cmake/CcacheVersion.cmake
+++ b/cmake/CcacheVersion.cmake
@@ -36,7 +36,8 @@ elseif(EXISTS "${CMAKE_SOURCE_DIR}/.git")
   macro(git)
     execute_process(
       COMMAND "${GIT_EXECUTABLE}" ${ARGN}
-      OUTPUT_VARIABLE git_stdout OUTPUT_STRIP_TRAILING_WHITESPACE)
+      OUTPUT_VARIABLE git_stdout OUTPUT_STRIP_TRAILING_WHITESPACE
+      ERROR_VARIABLE git_stderr ERROR_STRIP_TRAILING_WHITESPACE)
   endmacro()
 
   git(describe --abbrev=8 --dirty)