gentoo-overlay/sys-freebsd/freebsd-mk-defs/files/freebsd-mk-defs-11.0-drop-unsupport-cflags.patch

diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index 37c4d01..e840a25 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -112,7 +112,7 @@ CWARNFLAGS+=	-Wno-error=unused-function -Wno-error=enum-compare -Wno-error=logic
 .if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 30600
 FORMAT_EXTENSIONS=	-D__printf__=__freebsd_kprintf__
 .else
-FORMAT_EXTENSIONS=	-fformat-extensions
+FORMAT_EXTENSIONS=
 .endif
 
 .if defined(IGNORE_PRAGMA)