From d2b2acefa60a0559b0104394be1279eae72c9bb3 Mon Sep 17 00:00:00 2001
From: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Thu, 15 Feb 2018 15:44:47 -0200
Subject: ldbl-128ibm: Let long double files have specific compiler flags

Soon, powerpc64le will need to provide extra compiler flags to the long
double files in order to continue to build using the IBM 128-bit
extended floating point type as long double.
---
 sysdeps/ieee754/ldbl-128ibm/Makefile | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/sysdeps/ieee754/ldbl-128ibm/Makefile b/sysdeps/ieee754/ldbl-128ibm/Makefile
index bdba6cc6b5..c38d4f6ac2 100644
--- a/sysdeps/ieee754/ldbl-128ibm/Makefile
+++ b/sysdeps/ieee754/ldbl-128ibm/Makefile
@@ -9,8 +9,24 @@ tests += tst-strtold-ldbl-128ibm
 $(objpfx)tst-strtold-ldbl-128ibm: $(libm)
 endif
 
+ldbl-tests = test-fmodl-ldbl-128ibm test-remainderl-ldbl-128ibm \
+	     test-remquol-ldbl-128ibm test-canonical-ldbl-128ibm \
+	     test-totalorderl-ldbl-128ibm
+
 ifeq ($(subdir),math)
-tests += test-fmodl-ldbl-128ibm test-remainderl-ldbl-128ibm \
-	 test-remquol-ldbl-128ibm test-canonical-ldbl-128ibm \
-	 test-totalorderl-ldbl-128ibm
+tests += $(ldbl-tests)
 endif
+
+# Long double files may need extra CFLAGS.
+ldbl-128ibm-routines = s_nexttoward s_nexttowardf \
+		       $(type-ldouble-routines) \
+		       $(subst F,$(type-ldouble-suffix),$(libm-compat-calls)) \
+		       $(subst F,$(type-ldouble-suffix),$(libm-calls)) \
+		       $(subst F,$(type-ldouble-suffix),$(calls)) \
+		       $(foreach f,$(libm-narrow-fns), \
+				 $(subst F,$(f), \
+					 $(libm-narrow-types-ldouble-yes)))
+$(foreach suf,$(all-object-suffixes), \
+	  $(foreach r,$(ldbl-128ibm-routines) $(ldbl-tests), \
+		    $(objpfx)$(r)$(suf))): \
+  CFLAGS += $(type-ldouble-CFLAGS)
-- 
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