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-rw-r--r--sysdeps/ieee754/ldbl-128ibm-compat/Makefile14
1 files changed, 14 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/Makefile b/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
index 8f6a090..7efbd00 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
@@ -258,6 +258,13 @@ ldbl-extra-routines += err \
CFLAGS-ieee128-qefgcvt.c += -mabi=ieeelongdouble -Wno-psabi -mno-gnu-attribute
CFLAGS-ieee128-qefgcvt_r.c += -mabi=ieeelongdouble -Wno-psabi -mno-gnu-attribute
+# Remove -mlong-double-128 because it does not work correctly with
+# -mabi=ibmlongdoule in some GCC versions, e.g. GCC 7.
+$(foreach o,$(all-object-suffixes),$(objpfx)ieee128-qefgcvt$(o)): \
+ sysdep-CFLAGS := $(filter-out -mlong-double-128, $(sysdep-CFLAGS))
+$(foreach o,$(all-object-suffixes),$(objpfx)ieee128-qefgcvt_r$(o)): \
+ sysdep-CFLAGS := $(filter-out -mlong-double-128, $(sysdep-CFLAGS))
+
tests-internal += tst-ibm128-warn tst-ieee128-warn
tests-internal += tst-ibm128-error tst-ieee128-error
tests-internal += tst-ibm128-efgcvt tst-ieee128-efgcvt
@@ -334,5 +341,12 @@ ldbl-ibm128-files := $(objpfx)test-%-ibm128^ \
$(foreach r,$(ldbl-extra-routines),$(objpfx)$(r)^) \
$(foreach r,$(ldbl-extra-routines),$(objpfx)$(r)-internal^)
obj-suf-foreach = $(foreach suf,$(all-object-suffixes),$(subst ^,$(suf),$(1)))
+
+# Remove -mlong-double-128 because it does not work correctly with
+# -mabi=ibmlongdoule in some GCC versions, e.g. GCC 7.
+$(call obj-suf-foreach,$(ldbl-ibm128-files)): \
+ sysdep-CFLAGS := $(filter-out -mlong-double-128, $(sysdep-CFLAGS))
+
+# Explicitly add -mabi=ibm-long-double to required files.
$(call obj-suf-foreach,$(ldbl-ibm128-files)): \
sysdep-CFLAGS += -mabi=ibmlongdouble