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.

diff --git a/sysdeps/ieee754/ldbl-128ibm/Makefile b/sysdeps/ieee754/ldbl-128ibm/Makefile
index bdba6cc6b57e763e88e6c87cd1542712a7690c9f..c38d4f6ac203fb8eb6716fb3738c2fd5a0e164a0 100644 (file)
--- 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)