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-rw-r--r--sys-libs/glibc/glibc-9999.ebuild11
1 files changed, 11 insertions, 0 deletions
diff --git a/sys-libs/glibc/glibc-9999.ebuild b/sys-libs/glibc/glibc-9999.ebuild
index 68d17a224695..a5bf3b51ebc1 100644
--- a/sys-libs/glibc/glibc-9999.ebuild
+++ b/sys-libs/glibc/glibc-9999.ebuild
@@ -342,6 +342,17 @@ glibc_do_configure() {
esac
myconf+=( --enable-stackguard-randomization )
+ # Keep a whitelist of targets supporing IFUNC. glibc's ./configure
+ # is not robust enough to detect proper support:
+ # https://bugs.gentoo.org/641216
+ # https://sourceware.org/PR22634#c0
+ case $(tc-arch ${CTARGET}) in
+ # Keep whitelist of targets where autodetection mostly works.
+ amd64|x86|sparc|ppc|ppc64|arm|arm64|s390) ;;
+ # Blacklist everywhere else
+ *) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;;
+ esac
+
[[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp )
myconf+=( --enable-kernel=${NPTL_KERN_VER} )