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Remove the glibc patch for -mfloat128
... per discussion on libc-alpha, need to pass --with-glibc-version= instead to GCC configure. Signed-off-by: Alexey Neyman <stilor@att.net>
This commit is contained in:
Alexey Neyman
parent
9ee0e06f57
commit
5fc2ca7e8d
193
packages/glibc/2.26/100-mfloat128-type.patch
vendored
193
packages/glibc/2.26/100-mfloat128-type.patch
vendored
@ -1,193 +0,0 @@
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diff -urpN glibc-2.26.orig/config.make.in glibc-2.26/config.make.in
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--- glibc-2.26.orig/config.make.in 2017-08-20 21:59:30.036150121 -0700
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+++ glibc-2.26/config.make.in 2017-08-20 21:31:38.493453145 -0700
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@@ -40,6 +40,7 @@ asflags-cpu = @libc_cv_cc_submachine@
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config-extra-cflags = @libc_extra_cflags@
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config-extra-cppflags = @libc_extra_cppflags@
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config-cflags-nofma = @libc_cv_cc_nofma@
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+config-cflags-mfloat128-type = @libc_cv_compiler_powerpc64le_float128_type@
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defines = @DEFINES@
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sysheaders = @sysheaders@
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diff -urpN glibc-2.26.orig/configure glibc-2.26/configure
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--- glibc-2.26.orig/configure 2017-08-20 21:59:22.800103852 -0700
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+++ glibc-2.26/configure 2017-08-20 22:02:25.581384888 -0700
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@@ -618,6 +618,7 @@ have_libaudit
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LIBGD
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libc_cv_cc_loop_to_function
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libc_cv_cc_submachine
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+libc_cv_compiler_powerpc64le_float128_type
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libc_cv_cc_nofma
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libc_cv_mtls_dialect_gnu2
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fno_unit_at_a_time
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@@ -6295,6 +6296,9 @@ fi
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$as_echo "$libc_cv_cc_nofma" >&6; }
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+# Detected in powerpc64le fragment
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+
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+
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if test -n "$submachine"; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option for CPU variant" >&5
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$as_echo_n "checking for compiler option for CPU variant... " >&6; }
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diff -urpN glibc-2.26.orig/configure.ac glibc-2.26/configure.ac
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--- glibc-2.26.orig/configure.ac 2017-08-20 21:59:22.800103852 -0700
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+++ glibc-2.26/configure.ac 2017-08-20 22:00:33.220570833 -0700
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@@ -1656,6 +1656,9 @@ for opt in -ffp-contract=off -mno-fused-
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done])
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AC_SUBST(libc_cv_cc_nofma)
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+# Detected in powerpc64le fragment
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+AC_SUBST(libc_cv_compiler_powerpc64le_float128_type)
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+
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if test -n "$submachine"; then
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AC_CACHE_CHECK([for compiler option for CPU variant],
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libc_cv_cc_submachine, [dnl
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diff -urpN glibc-2.26.orig/sysdeps/powerpc/powerpc64le/configure glibc-2.26/sysdeps/powerpc/powerpc64le/configure
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--- glibc-2.26.orig/sysdeps/powerpc/powerpc64le/configure 2017-08-20 21:59:30.036150121 -0700
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+++ glibc-2.26/sysdeps/powerpc/powerpc64le/configure 2017-08-20 22:01:12.712847975 -0700
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@@ -1,6 +1,24 @@
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# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/powerpc/powerpc64le.
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+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -mfloat128-type" >&5
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+$as_echo_n "checking whether compiler supports -mfloat128-type... " >&6; }
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+if ${libc_cv_compiler_powerpc64le_float128_type+:} false; then :
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+ $as_echo_n "(cached) " >&6
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+else
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+ if { ac_try='${CC-cc} -mfloat128-type -xc /dev/null -S -o /dev/null'
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+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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+ (eval $ac_try) 2>&5
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+ ac_status=$?
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+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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+ test $ac_status = 0; }; }; then :
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+ libc_cv_compiler_powerpc64le_float128_type=-mfloat128-type
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+fi
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+
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+fi
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+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_powerpc64le_float128_type" >&5
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+$as_echo "$libc_cv_compiler_powerpc64le_float128_type" >&6; }
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+
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports binary128 floating point type" >&5
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$as_echo_n "checking if $CC supports binary128 floating point type... " >&6; }
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@@ -8,7 +26,7 @@ if ${libc_cv_compiler_powerpc64le_binary
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$as_echo_n "(cached) " >&6
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else
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save_CFLAGS="$CFLAGS"
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-CFLAGS="$CFLAGS -Werror -mfloat128"
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+CFLAGS="$CFLAGS -Werror -mfloat128 $libc_cv_compiler_powerpc64le_float128_type"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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diff -urpN glibc-2.26.orig/sysdeps/powerpc/powerpc64le/configure.ac glibc-2.26/sysdeps/powerpc/powerpc64le/configure.ac
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--- glibc-2.26.orig/sysdeps/powerpc/powerpc64le/configure.ac 2017-08-20 21:59:30.036150121 -0700
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+++ glibc-2.26/sysdeps/powerpc/powerpc64le/configure.ac 2017-08-20 22:01:08.764819809 -0700
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@@ -1,12 +1,18 @@
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/powerpc/powerpc64le.
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+AC_CACHE_CHECK([whether compiler supports -mfloat128-type],
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+ libc_cv_compiler_powerpc64le_float128_type, [dnl
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+LIBC_TRY_CC_OPTION([-mfloat128-type],
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+ [libc_cv_compiler_powerpc64le_float128_type=-mfloat128-type])
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+])
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+
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dnl Require binary128 floating point support on powerpc64le (available in
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dnl GCC 6.2).
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AC_CACHE_CHECK([if $CC supports binary128 floating point type],
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libc_cv_compiler_powerpc64le_binary128_ok, [dnl
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save_CFLAGS="$CFLAGS"
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-CFLAGS="$CFLAGS -Werror -mfloat128"
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+CFLAGS="$CFLAGS -Werror -mfloat128 $libc_cv_compiler_powerpc64le_float128_type"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
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__float128 a, b, c, d, e;
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int i;
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diff -urpN glibc-2.26.orig/sysdeps/powerpc/powerpc64le/Makefile glibc-2.26/sysdeps/powerpc/powerpc64le/Makefile
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--- glibc-2.26.orig/sysdeps/powerpc/powerpc64le/Makefile 2017-08-20 21:59:30.036150121 -0700
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+++ glibc-2.26/sysdeps/powerpc/powerpc64le/Makefile 2017-08-20 21:31:38.493453145 -0700
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@@ -6,35 +6,37 @@
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# linked executables, forcing to link the loader after libgcc link.
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f128-loader-link = $(as-needed) $(elf-objpfx)ld.so $(no-as-needed)
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+f128-options = -mfloat128 $(config-cflags-mfloat128-type)
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+
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ifeq ($(subdir),math)
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# sqrtf128 requires emulation before POWER9.
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CPPFLAGS += -I../soft-fp
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# float128 requires adding a handful of extra flags.
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-$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += -mfloat128
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-$(foreach suf,$(all-object-suffixes),%f128_r$(suf)): CFLAGS += -mfloat128
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-$(foreach suf,$(all-object-suffixes),$(objpfx)test-float128%$(suf)): CFLAGS += -mfloat128
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-$(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat128%$(suf)): CFLAGS += -mfloat128
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-CFLAGS-libm-test-support-float128.c += -mfloat128
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+$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += $(f128-options)
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+$(foreach suf,$(all-object-suffixes),%f128_r$(suf)): CFLAGS += $(f128-options)
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+$(foreach suf,$(all-object-suffixes),$(objpfx)test-float128%$(suf)): CFLAGS += $(f128-options)
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+$(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat128%$(suf)): CFLAGS += $(f128-options)
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+CFLAGS-libm-test-support-float128.c += $(f128-options)
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$(objpfx)test-float128% $(objpfx)test-ifloat128%: \
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gnulib-tests += $(f128-loader-link)
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endif
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# Append flags to string <-> _Float128 routines.
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ifneq ($(filter $(subdir),wcsmbs stdlib),)
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-$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += -mfloat128
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-$(foreach suf,$(all-object-suffixes),%f128_l$(suf)): CFLAGS += -mfloat128
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-$(foreach suf,$(all-object-suffixes),%f128_nan$(suf)): CFLAGS += -mfloat128
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-$(foreach suf,$(all-object-suffixes),%float1282mpn$(suf)): CFLAGS += -mfloat128
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-$(foreach suf,$(all-object-suffixes),%mpn2float128$(suf)): CFLAGS += -mfloat128
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-CFLAGS-bug-strtod.c += -mfloat128
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-CFLAGS-bug-strtod2.c += -mfloat128
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-CFLAGS-tst-strtod-round.c += -mfloat128
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-CFLAGS-tst-wcstod-round.c += -mfloat128
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-CFLAGS-tst-strtod6.c += -mfloat128
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-CFLAGS-tst-strfrom.c += -mfloat128
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-CFLAGS-tst-strfrom-locale.c += -mfloat128
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-CFLAGS-strfrom-skeleton.c += -mfloat128
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+$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += $(f128-options)
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+$(foreach suf,$(all-object-suffixes),%f128_l$(suf)): CFLAGS += $(f128-options)
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+$(foreach suf,$(all-object-suffixes),%f128_nan$(suf)): CFLAGS += $(f128-options)
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+$(foreach suf,$(all-object-suffixes),%float1282mpn$(suf)): CFLAGS += $(f128-options)
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+$(foreach suf,$(all-object-suffixes),%mpn2float128$(suf)): CFLAGS += $(f128-options)
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+CFLAGS-bug-strtod.c += $(f128-options)
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+CFLAGS-bug-strtod2.c += $(f128-options)
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+CFLAGS-tst-strtod-round.c += $(f128-options)
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+CFLAGS-tst-wcstod-round.c += $(f128-options)
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+CFLAGS-tst-strtod6.c += $(f128-options)
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+CFLAGS-tst-strfrom.c += $(f128-options)
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+CFLAGS-tst-strfrom-locale.c += $(f128-options)
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+CFLAGS-strfrom-skeleton.c += $(f128-options)
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$(foreach test,bug-strtod bug-strtod2 bug-strtod2 tst-strtod-round \
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tst-wcstod-round tst-strtod6 tst-strrom tst-strfrom-locale \
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strfrom-skeleton,$(objpfx)$(test)): gnulib-tests += $(f128-loader-link)
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@@ -44,18 +46,18 @@ strfrom-skeleton,$(objpfx)$(test)): gnul
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# Makefiles (e.g.: wcsmbs/Makefile) override CFLAGS defined by the Makefiles in
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# sysdeps. This is avoided with the use sysdep-CFLAGS instead of CFLAGS.
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sysdep-CFLAGS += $(sysdep-CFLAGS-$(<F))
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-sysdep-CFLAGS-fpioconst.c += -mfloat128
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-sysdep-CFLAGS-strtod_l.c += -mfloat128
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-sysdep-CFLAGS-strtof_l.c += -mfloat128
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-sysdep-CFLAGS-strtold_l.c += -mfloat128
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-sysdep-CFLAGS-wcstod_l.c += -mfloat128
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-sysdep-CFLAGS-wcstof_l.c += -mfloat128
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-sysdep-CFLAGS-wcstold_l.c += -mfloat128
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+sysdep-CFLAGS-fpioconst.c += $(f128-options)
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+sysdep-CFLAGS-strtod_l.c += $(f128-options)
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+sysdep-CFLAGS-strtof_l.c += $(f128-options)
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+sysdep-CFLAGS-strtold_l.c += $(f128-options)
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+sysdep-CFLAGS-wcstod_l.c += $(f128-options)
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+sysdep-CFLAGS-wcstof_l.c += $(f128-options)
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+sysdep-CFLAGS-wcstold_l.c += $(f128-options)
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endif
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# Append flags to printf routines.
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ifeq ($(subdir),stdio-common)
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-CFLAGS-printf_fp.c = -mfloat128
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-CFLAGS-printf_fphex.c = -mfloat128
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-CFLAGS-printf_size.c = -mfloat128
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+CFLAGS-printf_fp.c = $(f128-options)
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+CFLAGS-printf_fphex.c = $(f128-options)
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+CFLAGS-printf_size.c = $(f128-options)
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endif
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