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toolchain.eclass: drop USE=sanitize support for <gcc-5

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Sanitizer support appeared in gcc-4.8, but <gcc-5 does not
support modern glibc. Let's just drop support for it on
older gccs.

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
This commit is contained in:
Sergei Trofimovich
2020-03-21 18:25:07 +00:00
parent ee7e540aef
commit ef09a1ebcb
1 changed files with 10 additions and 5 deletions
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eclass/toolchain.eclass
+10 -5
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@@ -172,8 +172,9 @@ if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then
tc_version_is_at_least 4.2 && IUSE+=" +openmp"
tc_version_is_at_least 4.3 && IUSE+=" fixed-point"
tc_version_is_at_least 4.7 && IUSE+=" go"
tc_version_is_at_least 4.8 &&
IUSE+=" +sanitize"
# sanitizer support appeared in gcc-4.8, but <gcc-5 does not
# support modern glibc.
tc_version_is_at_least 5 && IUSE+=" +sanitize"
# Note:
# <gcc-4.8 supported graphite, it required forked ppl
# versions which we dropped. Since graphite was also experimental in
@@ -1318,9 +1319,13 @@ toolchain_src_configure() {
confgcc+=( --without-{cloog,ppl} )
fi
if tc_version_is_at_least 4.8 && in_iuse sanitize ; then
# See Note [implicitly enabled flags]
confgcc+=( $(usex sanitize '' --disable-libsanitizer) )
if tc_version_is_at_least 4.8; then
if in_iuse sanitize ; then
# See Note [implicitly enabled flags]
confgcc+=( $(usex sanitize '' --disable-libsanitizer) )
else
confgcc+=( --disable-libsanitizer )
fi
fi
if tc_version_is_at_least 6.0 && in_iuse pie ; then