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