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| author |   Thomas Deutschmann <whissi@gentoo.org> | 2020-12-21 22:18:14 +0100 |
|---|---|---|
| committer | Thomas Deutschmann <whissi@gentoo.org> | 2020-12-22 00:40:52 +0100 |
| commit | 09886ee677ea97b80f1469dc7534ff6aea6247cb (patch) | |
| tree | d468f3d5b2866d63034d34eabd57a1165588d1a6 /www-client | |
| parent | app-editors/texworks: migrate to lua-single.eclass (diff) | |
| download | gentoo-09886ee677ea97b80f1469dc7534ff6aea6247cb.tar.gz gentoo-09886ee677ea97b80f1469dc7534ff6aea6247cb.tar.bz2 gentoo-09886ee677ea97b80f1469dc7534ff6aea6247cb.zip | |
www-client/firefox: disable loop vectorization
Loop vectorization, -ftree-loop-vectorize, which will be auto-enabled
when using -O3, is broken in GCC 10+.
Many thanks to Dave Hughes (xaero) for running countless tests to
find the issue.
Bug: https://bugs.gentoo.org/758446
Package-Manager: Portage-3.0.12, Repoman-3.0.2
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
Diffstat (limited to 'www-client')
| -rw-r--r-- | www-client/firefox/firefox-78.6.0.ebuild | 7 | ||||
| -rw-r--r-- | www-client/firefox/firefox-84.0.ebuild | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/www-client/firefox/firefox-78.6.0.ebuild b/www-client/firefox/firefox-78.6.0.ebuild index 2a93a2717ee1..2b97950a07f9 100644 --- a/www-client/firefox/firefox-78.6.0.ebuild +++ b/www-client/firefox/firefox-78.6.0.ebuild @@ -521,6 +521,7 @@ src_prepare() { src_configure() { # Show flags set at the beginning einfo "Current CFLAGS: ${CFLAGS}" + einfo "Current CXXFLAGS: ${CXXFLAGS}" einfo "Current LDFLAGS: ${LDFLAGS}" einfo "Current RUSTFLAGS: ${RUSTFLAGS}" @@ -769,6 +770,11 @@ src_configure() { if [[ -n ${disable_elf_hack} ]] ; then mozconfig_add_options_ac 'elf-hack is broken when using Clang' --disable-elf-hack fi + elif tc-is-gcc ; then + if ver_test $(gcc-fullversion) -ge 10 ; then + einfo "Forcing -fno-tree-loop-vectorize to workaround GCC bug, see bug 758446 ..." + append-cxxflags -fno-tree-loop-vectorize + fi fi # Additional ARCH support @@ -814,6 +820,7 @@ src_configure() { # Show flags we will use einfo "Build CFLAGS: ${CFLAGS}" + einfo "Build CXXFLAGS: ${CXXFLAGS}" einfo "Build LDFLAGS: ${LDFLAGS}" einfo "Build RUSTFLAGS: ${RUSTFLAGS}" diff --git a/www-client/firefox/firefox-84.0.ebuild b/www-client/firefox/firefox-84.0.ebuild index 6d3e1b6e40d8..e2bb2e858214 100644 --- a/www-client/firefox/firefox-84.0.ebuild +++ b/www-client/firefox/firefox-84.0.ebuild @@ -521,6 +521,7 @@ src_prepare() { src_configure() { # Show flags set at the beginning einfo "Current CFLAGS: ${CFLAGS}" + einfo "Current CXXFLAGS: ${CXXFLAGS}" einfo "Current LDFLAGS: ${LDFLAGS}" einfo "Current RUSTFLAGS: ${RUSTFLAGS}" @@ -767,6 +768,11 @@ src_configure() { if [[ -n ${disable_elf_hack} ]] ; then mozconfig_add_options_ac 'elf-hack is broken when using Clang' --disable-elf-hack fi + elif tc-is-gcc ; then + if ver_test $(gcc-fullversion) -ge 10 ; then + einfo "Forcing -fno-tree-loop-vectorize to workaround GCC bug, see bug 758446 ..." + append-cxxflags -fno-tree-loop-vectorize + fi fi # Additional ARCH support @@ -813,6 +819,7 @@ src_configure() { # Show flags we will use einfo "Build CFLAGS: ${CFLAGS}" + einfo "Build CXXFLAGS: ${CXXFLAGS}" einfo "Build LDFLAGS: ${LDFLAGS}" einfo "Build RUSTFLAGS: ${RUSTFLAGS}" |