From fabb419a3caafc00fbbc533fee14fab7a5d2a2c6 Mon Sep 17 00:00:00 2001 From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz> Date: Wed, 19 Jul 2023 13:34:51 +0200 Subject: [PATCH] doc: Clarify that -fstack-reuse=all bugs exist on all versions of GCC --- configure.ac | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/configure.ac b/configure.ac index fb154e0b433..449d4f9ed14 100644 --- a/configure.ac +++ b/configure.ac @@ -941,9 +941,8 @@ if test "$TARGET_OS" != "windows"; then AX_CHECK_COMPILE_FLAG([-fPIC], [PIC_FLAGS="-fPIC"]) fi -dnl Versions of gcc prior to 12.1 (commit -dnl https://github.com/gcc-mirror/gcc/commit/551aa75778a4c5165d9533cd447c8fc822f583e1) -dnl are subject to a bug, see the gccbug_90348 test case and +dnl Currently all versions of gcc are subject to a class of bugs, see the +dnl gccbug_90348 test case (only reproduces on GCC 11 and earlier) and the related bugs of dnl https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348. To work around that, set dnl -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"])