Fix powerpc64le build of nan-sign tests (bug 23303) [committed]

Fix powerpc64le build of nan-sign tests (bug 23303) [committed]

[Joseph Myers]

My recent nan-sign tests fail to build for powerpc64le with GCC 8
because of the special compile / link options needed there for any
test using _Float128.  This patch arranges for these tests to be
handled on powerpc64le similarly to other such tests.

Tested with build-many-glibcs.py for powerpc64le.  Committed.

2018-06-18  Joseph Myers  <joseph@codesourcery.com>

	[BZ #23303]
	* sysdeps/powerpc/powerpc64/le/Makefile
	(CFLAGS-tst-strtod-nan-sign.c): Add -mfloat128.
	(CFLAGS-tst-wcstod-nan-sign.c): Likewise.
	(gnulib-tests): Also add $(f128-loader-link) for
	tst-strtod-nan-sign abd tst-wcstod-nan-sign.

diff --git a/sysdeps/powerpc/powerpc64/le/Makefile b/sysdeps/powerpc/powerpc64/le/Makefile
index 14d39e2..f59db1c 100644
--- a/sysdeps/powerpc/powerpc64/le/Makefile
+++ b/sysdeps/powerpc/powerpc64/le/Makefile
@@ -54,10 +54,13 @@ CFLAGS-tst-strtod6.c += -mfloat128
 CFLAGS-tst-strfrom.c += -mfloat128
 CFLAGS-tst-strfrom-locale.c += -mfloat128
 CFLAGS-strfrom-skeleton.c += -mfloat128
+CFLAGS-tst-strtod-nan-sign.c += -mfloat128
+CFLAGS-tst-wcstod-nan-sign.c += -mfloat128
 $(foreach test,bug-strtod bug-strtod2 bug-strtod2 tst-strtod-round \
 tst-wcstod-round tst-strtod6 tst-strrom tst-strfrom-locale \
 tst-strtod-nan-locale tst-wcstod-nan-locale \
-strfrom-skeleton,$(objpfx)$(test)): gnulib-tests += $(f128-loader-link)
+strfrom-skeleton tst-strtod-nan-sign tst-wcstod-nan-sign, \
+$(objpfx)$(test)): gnulib-tests += $(f128-loader-link)
 
 # When building glibc with support for _Float128, the powers of ten tables in
 # fpioconst.c and in the string conversion functions must be extended.  Some

-- 
Joseph S. Myers
joseph@codesourcery.com