Index: head/lib/libc/tests/stdio/Makefile
===================================================================
--- head/lib/libc/tests/stdio/Makefile	(revision 290870)
+++ head/lib/libc/tests/stdio/Makefile	(revision 290871)
@@ -1,37 +1,45 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 ATF_TESTS_C+=		fdopen_test
 ATF_TESTS_C+=		fmemopen2_test
 ATF_TESTS_C+=		fopen2_test
 ATF_TESTS_C+=		freopen_test
 ATF_TESTS_C+=		getdelim_test
 ATF_TESTS_C+=		mkostemp_test
 ATF_TESTS_C+=		open_memstream_test
 ATF_TESTS_C+=		open_wmemstream_test
 ATF_TESTS_C+=		perror_test
 ATF_TESTS_C+=		print_positional_test
 ATF_TESTS_C+=		printbasic_test
 ATF_TESTS_C+=		printfloat_test
 ATF_TESTS_C+=		scanfloat_test
 
 SRCS.fopen2_test=	fopen_test.c
 
 NETBSD_ATF_TESTS_C=	clearerr_test
 NETBSD_ATF_TESTS_C+=	fflush_test
 NETBSD_ATF_TESTS_C+=	fmemopen_test
 NETBSD_ATF_TESTS_C+=	fopen_test
 NETBSD_ATF_TESTS_C+=	fputc_test
 NETBSD_ATF_TESTS_C+=	mktemp_test
 NETBSD_ATF_TESTS_C+=	popen_test
 NETBSD_ATF_TESTS_C+=	printf_test
 NETBSD_ATF_TESTS_C+=	scanf_test
 
 DPADD.printfloat_test+=	${LIBM}
 LDADD.printfloat_test+=	-lm
 
 DPADD.scanfloat_test+=	${LIBM}
 LDADD.scanfloat_test+=	-lm
+
+.if ${COMPILER_TYPE} == "gcc"
+# 90: use of assignment suppression and length modifier together in scanf format
+PROG_OVERRIDE_VARS+=	NO_WFORMAT
+NO_WFORMAT.scanfloat_test=
+.endif
 
 .include "../Makefile.netbsd-tests"
 
 .include <bsd.test.mk>