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-rw-r--r--system/gcc/0010-ldbl128-config.patch76
1 files changed, 76 insertions, 0 deletions
diff --git a/system/gcc/0010-ldbl128-config.patch b/system/gcc/0010-ldbl128-config.patch
new file mode 100644
index 000000000..b5a101052
--- /dev/null
+++ b/system/gcc/0010-ldbl128-config.patch
@@ -0,0 +1,76 @@
+From 47467f3ab0fb2f2fcede81060fe8bb339d0909eb Mon Sep 17 00:00:00 2001
+From: Szabolcs Nagy <nsz@port70.net>
+Date: Wed, 28 Feb 2018 00:54:05 +0000
+Subject: [PATCH 10/12] ldbl128 config
+
+---
+ gcc/configure | 13 +++++++++++++
+ gcc/configure.ac | 16 ++++++++++++++--
+ 2 files changed, 27 insertions(+), 2 deletions(-)
+
+diff --git a/gcc/configure b/gcc/configure
+index 6121e163259..07ff8597d48 100755
+--- a/gcc/configure
++++ b/gcc/configure
+@@ -29309,6 +29309,15 @@ if test "${with_long_double_128+set}" = set; then :
+ withval=$with_long_double_128; gcc_cv_target_ldbl128="$with_long_double_128"
+ else
+
++ case "$target" in
++ s390*-*-linux-musl*)
++ gcc_cv_target_ldbl128=yes
++ ;;
++ powerpc*-*-linux-musl*)
++ gcc_cv_target_ldbl128=no
++ ;;
++ *)
++
+ if test $glibc_version_major -gt 2 \
+ || ( test $glibc_version_major -eq 2 && test $glibc_version_minor -ge 4 ); then :
+ gcc_cv_target_ldbl128=yes
+@@ -29320,6 +29329,10 @@ else
+ && gcc_cv_target_ldbl128=yes
+
+ fi
++
++ ;;
++ esac
++
+ fi
+
+ ;;
+diff --git a/gcc/configure.ac b/gcc/configure.ac
+index b066cc609e1..6c15ed898c0 100644
+--- a/gcc/configure.ac
++++ b/gcc/configure.ac
+@@ -5971,13 +5971,25 @@ case "$target" in
+ AC_ARG_WITH(long-double-128,
+ [AS_HELP_STRING([--with-long-double-128],
+ [use 128-bit long double by default])],
+- gcc_cv_target_ldbl128="$with_long_double_128",
++ gcc_cv_target_ldbl128="$with_long_double_128", [
++ case "$target" in
++ s390*-*-linux-musl*)
++ gcc_cv_target_ldbl128=yes
++ ;;
++ powerpc*-*-linux-musl*)
++ gcc_cv_target_ldbl128=no
++ ;;
++ *)]
+ [GCC_GLIBC_VERSION_GTE_IFELSE([2], [4], [gcc_cv_target_ldbl128=yes], [
+ [gcc_cv_target_ldbl128=no
+ grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
+ $target_header_dir/bits/wordsize.h > /dev/null 2>&1 \
+ && gcc_cv_target_ldbl128=yes
+- ]])])
++ ]])]
++ [
++ ;;
++ esac
++ ])
+ ;;
+ esac
+ if test x$gcc_cv_target_ldbl128 = xyes; then
+--
+2.17.1
+