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authorSam James <sam@gentoo.org>2022-05-30 20:58:40 +0100
committerSam James <sam@gentoo.org>2022-05-30 20:59:17 +0100
commitdb7d9441f3bf6b56d6000b5b1255df0a4e955a99 (patch)
tree757e697269d4592ba57a5726692eed58ba83cb0a
parentgnome-extra/gnome-boxes: Version bump to 42.1 (diff)
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toolchain.eclass: add comment above LTO logic
Signed-off-by: Sam James <sam@gentoo.org>
-rw-r--r--eclass/toolchain.eclass2
1 files changed, 2 insertions, 0 deletions
diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index 035ee7714d6f..0ae7f7dd3839 100644
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -1278,6 +1278,8 @@ toolchain_src_configure() {
confgcc+=( $(use_with zstd) )
fi
+ # This only controls whether the compiler *supports* LTO, not whether
+ # it's *built using* LTO. Hence we do it without a USE flag.
if tc_version_is_at_least 4.6 ; then
confgcc+=( --enable-lto )
elif tc_version_is_at_least 4.5 ; then