Strip the offending flags instead

diff --git a/cmake/checks/check_01_cxx_features.cmake b/cmake/checks/check_01_cxx_features.cmake
index 8ce12c375f4738d1001b47b24750803b56ffc182..2cf1e382ac49186576a6694a7c6f366f0fa65d44 100644 (file)
--- a/cmake/checks/check_01_cxx_features.cmake
+++ b/cmake/checks/check_01_cxx_features.cmake
@@ -277,7 +277,9 @@ IF(NOT DEFINED DEAL_II_WITH_CXX14 OR DEAL_II_WITH_CXX14)
     #
     # https://llvm.org/bugs/show_bug.cgi?id=16876
     #
-    PUSH_CMAKE_REQUIRED("-g")
+    SET(_flags "${DEAL_II_CXX_FLAGS_DEBUG}")
+    STRIP_FLAG(_flags "-Wa,--compress-debug-sections")
+    PUSH_CMAKE_REQUIRED("${_flags}")
     CHECK_CXX_SOURCE_COMPILES(
       "
       struct foo