musl-cross-make/patches/gcc-9.2.0/0010-ldbl128-config.diff

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diff --git a/gcc/configure b/gcc/configure
index 3dcf7752b7f..78aaa36dce6 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -29356,6 +29356,15 @@ 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 $glibc_version_minor -ge 4 ); then :
gcc_cv_target_ldbl128=yes
@@ -29367,6 +29376,10 @@ else
&& gcc_cv_target_ldbl128=yes
fi
+
+ ;;
+ esac
+
fi
;;
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 51f520c1508..a6498239698 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -6020,13 +6020,25 @@ case "$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