Galera 25.3.28-r2 fails to build as patch is missing: PATCHES=( "${FILESDIR}/galera-4.1-strip-extra-cflags.patch" ) https://github.com/gentoo/gentoo/blob/master/sys-cluster/galera/galera-25.3.28-r2.ebuild#L36 https://github.com/gentoo/gentoo/commit/390112c10222dcd5bdb5724c225ee99d11ffd7b0
Looks like this was fixed in commit bc1f18f8e905.