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authorStephan Bergmann <sbergman@redhat.com>2021-01-20 16:06:59 +0100
committerTor Lillqvist <tml@collabora.com>2021-06-14 11:36:15 +0200
commit2f851dd40543aff46e75c739120b41d7f1ae1160 (patch)
tree46193d628779e28dbc14b1d4d50b05296dc502ac
parentResolves: tdf#127013 differentiate non-/array separators and restrict (diff)
downloadcore-2f851dd40543aff46e75c739120b41d7f1ae1160.tar.gz
core-2f851dd40543aff46e75c739120b41d7f1ae1160.zip
Avoid Clang -Werror,-Wunused-command-line-argument
> [CXX] bridges/source/cpp_uno/gcc3_linux_aarch64/callvirtualfunction.cxx > clang-12: error: argument unused during compilation: '-fno-stack-clash-protection' [-Werror,-Wunused-command-line-argument] as seen e.g. on macOS 11.1 ARM64 when building against Clang 12 trunk. Clang supports -fstack-clash-protection on > $ clang --target=x86_64-unknown-linux-gnu -fstack-clash-protection -fsyntax-only -x c - </dev/null but not on e.g. > $ clang --target=aarch64-unknown-linux-gnu -fstack-clash-protection -fsyntax-only -x c - </dev/null > clang-12: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument] or > $ clang --target=arm64-apple-macosx11.0.0 -fstack-clash-protection -fsyntax-only -x c - </dev/null > clang-12: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument] Change-Id: I98625bb7ed37bf00e97634c1c8d1f87fe3263af9 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/109719 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com> Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117134 Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index ff5da434d774..da6038d5a952 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6847,7 +6847,7 @@ HAVE_GCC_STACK_CLASH_PROTECTION=
if test "$GCC" = "yes" -o "$COM_IS_CLANG" = TRUE; then
AC_MSG_CHECKING([whether $CC_BASE supports -fstack-clash-protection])
save_CFLAGS=$CFLAGS
- CFLAGS="$CFLAGS -fstack-clash-protection"
+ CFLAGS="$CFLAGS -Werror -fstack-clash-protection"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(, [[return 0;]])],
[AC_MSG_RESULT([yes]); HAVE_GCC_STACK_CLASH_PROTECTION=TRUE],