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| author | MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz> | 2023-02-08 12:57:12 +0100 |
|---|---|---|
| committer | MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz> | 2023-02-08 13:06:11 +0100 |
| commit | fa83005a2618abc18f9cd6af96f19fc28aba68d8 (patch) | |
| tree | 478c3fb50d8197920310b4245cb0b37124d221d2 /configure.ac | |
| parent | de1d1895346ed27f471386011d7ff64508f8b39c (diff) | |
doc: Document affected gcc versions for -fstack-reuse=none workaround
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index aa1a45c527..2bbcfc0ffe 100644 --- a/configure.ac +++ b/configure.ac @@ -935,7 +935,9 @@ if test "$TARGET_OS" != "windows"; then AX_CHECK_COMPILE_FLAG([-fPIC], [PIC_FLAGS="-fPIC"]) fi -dnl All versions of gcc that we commonly use for building are subject to bug +dnl Versions of gcc prior to 12.1 (commit +dnl https://github.com/gcc-mirror/gcc/commit/551aa75778a4c5165d9533cd447c8fc822f583e1) +dnl are subject to a bug, see the gccbug_90348 test case and dnl https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348. To work around that, set dnl -fstack-reuse=none for all gcc builds. (Only gcc understands this flag) AX_CHECK_COMPILE_FLAG([-fstack-reuse=none], [HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-reuse=none"]) |