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| author |   Sam James <sam@gentoo.org> | 2021-07-28 03:58:13 +0100 |
|---|---|---|
| committer | Sam James <sam@gentoo.org> | 2021-07-28 03:59:31 +0100 |
| commit | 7ea2cf10a9f26e915cada4262066dacd87513a62 (patch) | |
| tree | 9bbd05f0f45e2f309a04b3cfbe9e3db3c7e58fd9 /net-misc/dhcp | |
| parent | app-text/asciidoc: update $HOMEPAGE (diff) | |
| download | gentoo-7ea2cf10a9f26e915cada4262066dacd87513a62.tar.gz gentoo-7ea2cf10a9f26e915cada4262066dacd87513a62.tar.bz2 gentoo-7ea2cf10a9f26e915cada4262066dacd87513a62.zip | |
net-misc/dhcp: avoid undefined/broken runtime behaviour with -O3
-fstrict-aliasing (enabled by -O3) breaks code within dhcp
which violates the no-strict-aliasing rule. So, let's tag on
an option to avoid assuming that rule / avoid the optimisation
which is unsafe here.
Bug: https://bugs.gentoo.org/787935
Signed-off-by: Sam James <sam@gentoo.org>
Diffstat (limited to 'net-misc/dhcp')
| -rw-r--r-- | net-misc/dhcp/dhcp-4.4.2_p1-r1.ebuild (renamed from net-misc/dhcp/dhcp-4.4.2_p1.ebuild) | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net-misc/dhcp/dhcp-4.4.2_p1.ebuild b/net-misc/dhcp/dhcp-4.4.2_p1-r1.ebuild index 4b86781a388a..57fd8dd47f48 100644 --- a/net-misc/dhcp/dhcp-4.4.2_p1.ebuild +++ b/net-misc/dhcp/dhcp-4.4.2_p1-r1.ebuild @@ -159,6 +159,10 @@ src_configure() { #define _PATH_DHCRELAY6_PID "${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 |