From 88ba7d2d3aabf2e87900b8a0af85f2ab1bf1e16e Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Sat, 23 Dec 2023 20:51:48 +0100 Subject: [PATCH] elfutils: Disable stringop-overflow warning for build host MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Some distributions shipping gcc12 end up with stringop-overflow warnings e.g. /usr/include/bits/unistd.h:74:10: error: ‘__pread_alias’ specified size between 9223372036854775813 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Werror=stringop-overflow=] 74 | return __glibc_fortify (pread, __nbytes, sizeof (char), | ^~~~~~~~~~~~~~~ Until fixed, lets not treat this warning as hard error MJ: this is needed e.g. on ubuntu 24.04 after gcc was upgraded from 13.2.0-8ubuntu1 to 13.2.0-9ubuntu1 which includes switch _FORTIFY_SOURCE to 3: https://changelogs.ubuntu.com/changelogs/pool/main/g/gcc-13/gcc-13_13.2.0-9ubuntu1/changelog elfutils config.log then shows: configure:6762: checking whether to add -D_FORTIFY_SOURCE=2 to CFLAGS configure:6779: gcc -c -D_FORTIFY_SOURCE=2 -isystem/work/x86_64-linux/elfutils-native/0.186-r0/recipe-sysroot-native/usr/include -O2 -pipe -Werror -isystem/work/x86_64-linux/elfutils-native/0.186-r0/recipe-sysroot-native/usr/include conftest.c >&5 : error: "_FORTIFY_SOURCE" redefined [-Werror] : note: this is the location of the previous definition cc1: all warnings being treated as errors configure:6786: result: no and -D_FORTIFY_SOURCE=2 missing in CFLAGS later causes the above error in do_compile (From OE-Core rev: 94d1640d374c9a8827957cba8dbc1c1f978701b5) Signed-off-by: Khem Raj Signed-off-by: Richard Purdie Signed-off-by: Martin Jansa Signed-off-by: Steve Sakoman --- meta/recipes-devtools/elfutils/elfutils_0.186.bb | 2 ++ 1 file changed, 2 insertions(+) diff --git a/meta/recipes-devtools/elfutils/elfutils_0.186.bb b/meta/recipes-devtools/elfutils/elfutils_0.186.bb index 46ee40cce6..d742a2e14e 100644 --- a/meta/recipes-devtools/elfutils/elfutils_0.186.bb +++ b/meta/recipes-devtools/elfutils/elfutils_0.186.bb @@ -35,6 +35,8 @@ PTEST_ENABLED:libc-musl = "0" EXTRA_OECONF = "--program-prefix=eu-" +BUILD_CFLAGS += "-Wno-error=stringop-overflow" + DEPENDS_BZIP2 = "bzip2-replacement-native" DEPENDS_BZIP2:class-target = "bzip2"