commit: 7ea2cf10a9f26e915cada4262066dacd87513a62 Author: Sam James <sam <AT> gentoo <DOT> org> AuthorDate: Wed Jul 28 02:58:13 2021 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Wed Jul 28 02:59:31 2021 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=7ea2cf10
net-misc/dhcp: avoid undefined/broken runtime behaviour with -O3 -fstrict-aliasing (enabled by -O3) breaks code within dhcp which violates the no-strict-aliasing rule. So, let's tag on an option to avoid assuming that rule / avoid the optimisation which is unsafe here. Bug: https://bugs.gentoo.org/787935 Signed-off-by: Sam James <sam <AT> gentoo.org> net-misc/dhcp/{dhcp-4.4.2_p1.ebuild => dhcp-4.4.2_p1-r1.ebuild} | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net-misc/dhcp/dhcp-4.4.2_p1.ebuild b/net-misc/dhcp/dhcp-4.4.2_p1-r1.ebuild similarity index 98% rename from net-misc/dhcp/dhcp-4.4.2_p1.ebuild rename to net-misc/dhcp/dhcp-4.4.2_p1-r1.ebuild index 4b86781a388..57fd8dd47f4 100644 --- a/net-misc/dhcp/dhcp-4.4.2_p1.ebuild +++ b/net-misc/dhcp/dhcp-4.4.2_p1-r1.ebuild @@ -159,6 +159,10 @@ src_configure() { #define _PATH_DHCRELAY6_PID "${r}/dhcrelay6.pid" EOF + # Breaks with -O3 because of reliance on undefined behaviour + # bug #787935 + append-flags -fno-strict-aliasing + # https://bugs.gentoo.org/720806 if use ppc || use arm || use hppa; then append-libs -latomic
