patches/gcc/0010-ldbl128-config.patch

   1 From 47467f3ab0fb2f2fcede81060fe8bb339d0909eb Mon Sep 17 00:00:00 2001
   2 From: Szabolcs Nagy <nsz@port70.net>
   3 Date: Wed, 28 Feb 2018 00:54:05 +0000
   4 Subject: [PATCH 10/12] ldbl128 config
   5
   6 ---
   7  gcc/configure    | 13 +++++++++++++
   8  gcc/configure.ac | 16 ++++++++++++++--
   9  2 files changed, 27 insertions(+), 2 deletions(-)
  10
  11 diff --git a/gcc/configure b/gcc/configure
  12 index 6121e163259..07ff8597d48 100755
  13 --- a/gcc/configure
  14 +++ b/gcc/configure
  15 @@ -29309,6 +29309,15 @@ if test "${with_long_double_128+set}" = set; then :
  16    withval=$with_long_double_128; gcc_cv_target_ldbl128="$with_long_double_128"
  17  else
  18
  19 +      case "$target" in
  20 +       s390*-*-linux-musl*)
  21 +         gcc_cv_target_ldbl128=yes
  22 +         ;;
  23 +       powerpc*-*-linux-musl*)
  24 +         gcc_cv_target_ldbl128=no
  25 +         ;;
  26 +       *)
  27 +
  28  if test $glibc_version_major -gt 2 \
  29    || ( test $glibc_version_major -eq 2 && test $glibc_version_minor -ge 4 ); then :
  30    gcc_cv_target_ldbl128=yes
  31 @@ -29320,6 +29329,10 @@ else
  32        && gcc_cv_target_ldbl128=yes
  33
  34  fi
  35 +
  36 +         ;;
  37 +      esac
  38 +
  39  fi
  40
  41      ;;
  42 diff --git a/gcc/configure.ac b/gcc/configure.ac
  43 index b066cc609e1..6c15ed898c0 100644
  44 --- a/gcc/configure.ac
  45 +++ b/gcc/configure.ac
  46 @@ -5971,13 +5971,25 @@ case "$target" in
  47      AC_ARG_WITH(long-double-128,
  48        [AS_HELP_STRING([--with-long-double-128],
  49                       [use 128-bit long double by default])],
  50 -      gcc_cv_target_ldbl128="$with_long_double_128",
  51 +      gcc_cv_target_ldbl128="$with_long_double_128", [
  52 +      case "$target" in
  53 +       s390*-*-linux-musl*)
  54 +         gcc_cv_target_ldbl128=yes
  55 +         ;;
  56 +       powerpc*-*-linux-musl*)
  57 +         gcc_cv_target_ldbl128=no
  58 +         ;;
  59 +       *)]
  60        [GCC_GLIBC_VERSION_GTE_IFELSE([2], [4], [gcc_cv_target_ldbl128=yes], [
  61        [gcc_cv_target_ldbl128=no
  62        grep '^[         ]*#[    ]*define[       ][      ]*__LONG_DOUBLE_MATH_OPTIONAL' \
  63          $target_header_dir/bits/wordsize.h > /dev/null 2>&1 \
  64        && gcc_cv_target_ldbl128=yes
  65 -      ]])])
  66 +      ]])]
  67 +      [
  68 +         ;;
  69 +      esac
  70 +      ])
  71      ;;
  72  esac
  73  if test x$gcc_cv_target_ldbl128 = xyes; then
  74 --
  75 2.17.1
  76