64 lines
1.6 KiB
Diff
64 lines
1.6 KiB
Diff
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diff --git a/gcc/configure b/gcc/configure
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index 6121e163259..07ff8597d48 100755
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--- a/gcc/configure
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+++ b/gcc/configure
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@@ -29309,6 +29309,15 @@ if test "${with_long_double_128+set}" = set; then :
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withval=$with_long_double_128; gcc_cv_target_ldbl128="$with_long_double_128"
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else
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+ case "$target" in
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+ s390*-*-linux-musl*)
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+ gcc_cv_target_ldbl128=yes
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+ ;;
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+ powerpc*-*-linux-musl*)
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+ gcc_cv_target_ldbl128=no
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+ ;;
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+ *)
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+
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if test $glibc_version_major -gt 2 \
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|| ( test $glibc_version_major -eq 2 && test $glibc_version_minor -ge 4 ); then :
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gcc_cv_target_ldbl128=yes
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@@ -29320,6 +29329,10 @@ else
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&& gcc_cv_target_ldbl128=yes
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fi
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+
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+ ;;
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+ esac
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+
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fi
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;;
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diff --git a/gcc/configure.ac b/gcc/configure.ac
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index b066cc609e1..6c15ed898c0 100644
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--- a/gcc/configure.ac
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+++ b/gcc/configure.ac
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@@ -5971,13 +5971,25 @@ case "$target" in
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AC_ARG_WITH(long-double-128,
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[AS_HELP_STRING([--with-long-double-128],
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[use 128-bit long double by default])],
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- gcc_cv_target_ldbl128="$with_long_double_128",
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+ gcc_cv_target_ldbl128="$with_long_double_128", [
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+ case "$target" in
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+ s390*-*-linux-musl*)
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+ gcc_cv_target_ldbl128=yes
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+ ;;
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+ powerpc*-*-linux-musl*)
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+ gcc_cv_target_ldbl128=no
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+ ;;
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+ *)]
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[GCC_GLIBC_VERSION_GTE_IFELSE([2], [4], [gcc_cv_target_ldbl128=yes], [
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[gcc_cv_target_ldbl128=no
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grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
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$target_header_dir/bits/wordsize.h > /dev/null 2>&1 \
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&& gcc_cv_target_ldbl128=yes
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- ]])])
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+ ]])]
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+ [
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+ ;;
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+ esac
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+ ])
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;;
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esac
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if test x$gcc_cv_target_ldbl128 = xyes; then
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