From 8e72163b16bfe874a415a558f78911e5d05c5f22 Mon Sep 17 00:00:00 2001 From: "Paul E. Murphy" Date: Fri, 7 Feb 2020 14:08:20 -0600 Subject: powerpc64le: workaround ieee long double / _Float128 stdc++ bug -mabi=ieeelongdouble triggers the stdc++ libraries _Float128 support, which then breaks if algorithm is included. For now, explicitly disable _Float128 for such tests. I have opened up GCC BZ 94080 to track this. Reviewed-by: Tulio Magno Quites Machado Filho --- sysdeps/powerpc/powerpc64/le/Makefile | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'sysdeps/powerpc') diff --git a/sysdeps/powerpc/powerpc64/le/Makefile b/sysdeps/powerpc/powerpc64/le/Makefile index 441a8a1..96834d3 100644 --- a/sysdeps/powerpc/powerpc64/le/Makefile +++ b/sysdeps/powerpc/powerpc64/le/Makefile @@ -140,3 +140,14 @@ $(foreach suf,$(all-object-suffixes), $(ldbl-ibm128-files)) \ $(foreach r,$(ldbl-128ibm-routines) $(ldbl-tests), \ $(objpfx)$(r)$(suf)): \ sysdep-CFLAGS := $(filter-out -mabi=ieeelongdouble,$(sysdep-CFLAGS)) + +# TODO: a bug in stdc++ will fail if -mabi=ieeelongdouble and -mfloat128 +# are both enabled. The latter is enabled by default in GCC 8+. This is +# tracked via GCC BZ 94080. +ifeq ($(subdir),support) +CFLAGS-links-dso-program.cc += -mno-float128 +endif +ifeq ($(subdir),nptl) +CFLAGS-tst-thread_local1.cc += -mno-float128 +CFLAGS-tst-minstack-throw.cc += -mno-float128 +endif -- cgit v1.1