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-rw-r--r--profiles/base/package.use.mask7
1 files changed, 7 insertions, 0 deletions
diff --git a/profiles/base/package.use.mask b/profiles/base/package.use.mask
index 8bb3a942ab06..67d7c4ca7ca1 100644
--- a/profiles/base/package.use.mask
+++ b/profiles/base/package.use.mask
@@ -6,6 +6,13 @@
# This file is only for generic masks. For arch-specific masks (i.e.
# mask everywhere, unmask on arch/*) use arch/base.
+# Sam James <sam@gentoo.org> (2021-01-24)
+# USE=custom-cflags is _particularly_ dangerous on sys-libs/glibc and
+# can result in not just build-time failures for glibc itself, but
+# runtime crashes. The effect of using USE=custom-cflags globally in make.conf
+# isn't the same as it is for just glibc specifically.
+sys-libs/glibc custom-cflags
+
# Sam James <sam@gentoo.org> (2022-01-23)
# Java bindings are broken with OpenJDK 11+ and we're not
# aware of any consumers. bug #713866