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build: gnulib: avoid false -Wstringop-overflow warning

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Tested on gcc 13.1.1 with: make CFLAGS='-O0 -ggdb'

* configure.ac: Disable -Wstringop-overflow for gnulib.
This warning is far too problematic in my experience:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
and triggers with gcc -O0 with versions 12,13 at least.
This commit is contained in:
Pádraig Brady 2023-05-18 11:40:19 +01:00
parent f218412b9a
commit aed3b8190a
1 changed files with 5 additions and 0 deletions
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5
configure.ac
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@ -261,6 +261,11 @@ if test $gl_gcc_warnings != no; then
# FP in careadlinkat.c w/gcc 10.0.1 20200205
gl_WARN_ADD([-Wno-return-local-addr])
# FIXME: remove this line when gcc improves
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
# FP wth -O0 in nstrftime.c w/gcc 12, and 13 at least
gl_WARN_ADD([-Wno-stringop-overflow])
gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
AC_SUBST([GNULIB_WARN_CFLAGS])