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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
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