From 05fb9f7fbb270638f8ff4990fe68037e1a52a85f Mon Sep 17 00:00:00 2001 From: MarcoFalke Date: Wed, 8 May 2019 14:28:57 -0400 Subject: build with -fstack-reuse=none Github-Pull: #15983 Rebased-From: faf38bc056e523485520f98f3f725c583a3b89bf --- configure.ac | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/configure.ac b/configure.ac index 9cc01a4028..8449617085 100644 --- a/configure.ac +++ b/configure.ac @@ -693,6 +693,10 @@ if test x$TARGET_OS != xwindows; then AX_CHECK_COMPILE_FLAG([-fPIC],[PIC_FLAGS="-fPIC"]) fi +# All versions of gcc that we commonly use for building are subject to bug +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348. To work around that, set +# -fstack-reuse=none for all gcc builds. (Only gcc understands this flag) +AX_CHECK_COMPILE_FLAG([-fstack-reuse=none],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-reuse=none"]) if test x$use_hardening != xno; then use_hardening=yes AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"]) -- cgit v1.2.3