diff --git a/gitlab/functions.sh b/gitlab/functions.sh
index 2ab6172b13382ac588b50be84c0cc8662db41de3..b6fe2ec9d3d01745394c7408b548928d637c8c48 100644
--- a/gitlab/functions.sh
+++ b/gitlab/functions.sh
@@ -206,6 +206,8 @@ if [ "${ARCH}" == "linux" ]; then
   else
     CFLAGS="${CFLAGS} -D_GLIBCXX_USE_CXX11_ABI=0"
   fi
+else
+  CFLAGS=""
 fi
 CXXFLAGS=${CFLAGS}