diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-6.4/0045-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-6.4/0045-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-6.4/0045-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch b/meta/recipes-devtools/gcc/gcc-6.4/0045-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch new file mode 100644 index 0000000000..c62b727d6e --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-6.4/0045-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch @@ -0,0 +1,125 @@ +From 5a47d404ea29e2547269e3ddf38754462d93f903 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Fri, 29 Apr 2016 20:03:28 +0000 +Subject: [PATCH 45/46] libgcc: Add knob to use ldbl-128 on ppc + +musl does not support ldbl 128 so we can not assume +that linux as a whole supports ldbl-128 bits, instead +act upon configure option passed to gcc and assume no +on musl and yes otherwise if no option is passed since +default behaviour is to assume ldbl128 it does not +change the defaults + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- +Upstream-Status: Pending + + libgcc/Makefile.in | 1 + + libgcc/config/rs6000/t-linux | 5 ++++- + libgcc/configure | 18 ++++++++++++++++++ + libgcc/configure.ac | 12 ++++++++++++ + 4 files changed, 35 insertions(+), 1 deletion(-) + mode change 100644 => 100755 libgcc/configure + +diff --git a/libgcc/Makefile.in b/libgcc/Makefile.in +index f09b39b..296cf0f 100644 +--- a/libgcc/Makefile.in ++++ b/libgcc/Makefile.in +@@ -43,6 +43,7 @@ enable_vtable_verify = @enable_vtable_verify@ + enable_decimal_float = @enable_decimal_float@ + fixed_point = @fixed_point@ + with_aix_soname = @with_aix_soname@ ++with_ldbl128 = @with_ldbl128@ + + host_noncanonical = @host_noncanonical@ + real_host_noncanonical = @real_host_noncanonical@ +diff --git a/libgcc/config/rs6000/t-linux b/libgcc/config/rs6000/t-linux +index 4f6d4c4..c50dd94 100644 +--- a/libgcc/config/rs6000/t-linux ++++ b/libgcc/config/rs6000/t-linux +@@ -1,3 +1,6 @@ + SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-glibc.ver + +-HOST_LIBGCC2_CFLAGS += -mlong-double-128 -mno-minimal-toc ++ifeq ($(with_ldbl128),yes) ++HOST_LIBGCC2_CFLAGS += -mlong-double-128 ++endif ++HOST_LIBGCC2_CFLAGS += -mno-minimal-toc +diff --git a/libgcc/configure b/libgcc/configure +old mode 100644 +new mode 100755 +index e7d6c75..e9a9019 +--- a/libgcc/configure ++++ b/libgcc/configure +@@ -614,6 +614,7 @@ build_vendor + build_cpu + build + with_aix_soname ++with_ldbl128 + enable_vtable_verify + enable_shared + libgcc_topdir +@@ -663,6 +664,7 @@ with_cross_host + with_ld + enable_shared + enable_vtable_verify ++with_long_double_128 + with_aix_soname + enable_version_specific_runtime_libs + with_slibdir +@@ -1319,6 +1321,7 @@ Optional Packages: + --with-target-subdir=SUBDIR Configuring in a subdirectory for target + --with-cross-host=HOST Configuring with a cross compiler + --with-ld arrange to use the specified ld (full pathname) ++ --with-long-double-128 use 128-bit long double by default + --with-aix-soname=aix|svr4|both + shared library versioning (aka "SONAME") variant to + provide on AIX +@@ -2201,6 +2204,21 @@ fi + + + ++# Check whether --with-long-double-128 was given. ++if test "${with_long_double_128+set}" = set; then : ++ withval=$with_long_double_128; with_ldbl128="$with_long_double_128" ++else ++ case "${host}" in ++ power*-*-musl*) ++ with_ldbl128="no";; ++ *) with_ldbl128="yes";; ++ esac ++ ++fi ++ ++ ++ ++ + # Check whether --with-aix-soname was given. + if test "${with_aix_soname+set}" = set; then : + withval=$with_aix_soname; case "${host}:${enable_shared}" in +diff --git a/libgcc/configure.ac b/libgcc/configure.ac +index 269997f..81dc3ba 100644 +--- a/libgcc/configure.ac ++++ b/libgcc/configure.ac +@@ -77,6 +77,18 @@ AC_ARG_ENABLE(vtable-verify, + [enable_vtable_verify=no]) + AC_SUBST(enable_vtable_verify) + ++AC_ARG_WITH(long-double-128, ++[AS_HELP_STRING([--with-long-double-128], ++ [use 128-bit long double by default])], ++ with_ldbl128="$with_long_double_128", ++[case "${host}" in ++ power*-*-musl*) ++ with_ldbl128="no";; ++ *) with_ldbl128="yes";; ++ esac ++]) ++AC_SUBST(with_ldbl128) ++ + AC_ARG_WITH(aix-soname, + [AS_HELP_STRING([--with-aix-soname=aix|svr4|both], + [shared library versioning (aka "SONAME") variant to provide on AIX])], +-- +2.8.2 + |