diff options
Diffstat (limited to 'contrib/guix/patches/glibc-2.24-fcommon.patch')
| -rw-r--r-- | contrib/guix/patches/glibc-2.24-fcommon.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/contrib/guix/patches/glibc-2.24-fcommon.patch b/contrib/guix/patches/glibc-2.24-fcommon.patch new file mode 100644 index 0000000000..2bc32ede90 --- /dev/null +++ b/contrib/guix/patches/glibc-2.24-fcommon.patch @@ -0,0 +1,32 @@ +commit 264a4a0dbe1f4369db315080034b500bed66016c +Author: fanquake <fanquake@gmail.com> +Date: Fri May 6 11:03:04 2022 +0100 + + build: use -fcommon to retain legacy behaviour with GCC 10 + + GCC 10 started using -fno-common by default, which causes issues with + the powerpc builds using gibc 2.24. A patch was commited to glibc to fix + the issue, 18363b4f010da9ba459b13310b113ac0647c2fcc but is non-trvial + to backport, and was broken in at least one way, see the followup in + commit 7650321ce037302bfc2f026aa19e0213b8d02fe6. + + For now, retain the legacy GCC behaviour by passing -fcommon when + building glibc. + + https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html. + https://sourceware.org/git/?p=glibc.git;a=commit;h=18363b4f010da9ba459b13310b113ac0647c2fcc + https://sourceware.org/git/?p=glibc.git;a=commit;h=7650321ce037302bfc2f026aa19e0213b8d02fe6 + +diff --git a/Makeconfig b/Makeconfig +index ee379f5852..63c4a2f234 100644 +--- a/Makeconfig ++++ b/Makeconfig +@@ -824,7 +824,7 @@ ifeq "$(strip $(+cflags))" "" + +cflags := $(default_cflags) + endif # $(+cflags) == "" + +-+cflags += $(cflags-cpu) $(+gccwarn) $(+merge-constants) $(+math-flags) +++cflags += $(cflags-cpu) $(+gccwarn) $(+merge-constants) $(+math-flags) -fcommon + +gcc-nowarn := -w + + # Don't duplicate options if we inherited variables from the parent. |