sysdeps/ieee754/ldbl-opt/configure

   1
   2 # as_fn_set_status STATUS
   3 # -----------------------
   4 # Set $? to STATUS, without forking.
   5 as_fn_set_status ()
   6 {
   7   return $1
   8 } # as_fn_set_status
   9
  10 # as_fn_exit STATUS
  11 # -----------------
  12 # Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
  13 as_fn_exit ()
  14 {
  15   set +e
  16   as_fn_set_status $1
  17   exit $1
  18 } # as_fn_exit
  19 if expr a : '\(a\)' >/dev/null 2>&1 &&
  20    test "X`expr 00001 : '.*\(...\)'`" = X001; then
  21   as_expr=expr
  22 else
  23   as_expr=false
  24 fi
  25
  26 if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
  27   as_basename=basename
  28 else
  29   as_basename=false
  30 fi
  31
  32 as_me=`$as_basename -- "$0" ||
  33 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
  34          X"$0" : 'X\(//\)$' \| \
  35          X"$0" : 'X\(/\)' \| . 2>/dev/null ||
  36 $as_echo X/"$0" |
  37     sed '/^.*\/\([^/][^/]*\)\/*$/{
  38             s//\1/
  39             q
  40           }
  41           /^X\/\(\/\/\)$/{
  42             s//\1/
  43             q
  44           }
  45           /^X\/\(\/\).*/{
  46             s//\1/
  47             q
  48           }
  49           s/.*/./; q'`
  50
  51
  52   as_lineno_1=$LINENO as_lineno_1a=$LINENO
  53   as_lineno_2=$LINENO as_lineno_2a=$LINENO
  54   eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
  55   test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
  56   # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
  57   sed -n '
  58     p
  59     /[$]LINENO/=
  60   ' <$as_myself |
  61     sed '
  62       s/[$]LINENO.*/&-/
  63       t lineno
  64       b
  65       :lineno
  66       N
  67       :loop
  68       s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
  69       t loop
  70       s/-\n.*//
  71     ' >$as_me.lineno &&
  72   chmod +x "$as_me.lineno" ||
  73     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
  74
  75   # Don't try to exec as it changes $[0], causing all sort of problems
  76   # (the dirname of $[0] is not the place where we might find the
  77   # original and so on.  Autoconf is especially sensitive to this).
  78   . "./$as_me.lineno"
  79   # Exit status is that of the last command.
  80   exit
  81 }
  82
  83
  84 # ac_fn_c_try_compile LINENO
  85 # --------------------------
  86 # Try to compile conftest.$ac_ext, and return whether this succeeded.
  87 ac_fn_c_try_compile ()
  88 {
  89   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  90   rm -f conftest.$ac_objext
  91   if { { ac_try="$ac_compile"
  92 case "(($ac_try" in
  93   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  94   *) ac_try_echo=$ac_try;;
  95 esac
  96 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
  97 $as_echo "$ac_try_echo"; } >&5
  98   (eval "$ac_compile") 2>conftest.err
  99   ac_status=$?
 100   if test -s conftest.err; then
 101     grep -v '^ *+' conftest.err >conftest.er1
 102     cat conftest.er1 >&5
 103     mv -f conftest.er1 conftest.err
 104   fi
 105   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 106   test $ac_status = 0; } && {
 107          test -z "$ac_c_werror_flag" ||
 108          test ! -s conftest.err
 109        } && test -s conftest.$ac_objext; then :
 110   ac_retval=0
 111 else
 112   $as_echo "$as_me: failed program was:" >&5
 113 sed 's/^/| /' conftest.$ac_ext >&5
 114
 115         ac_retval=1
 116 fi
 117   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 118   as_fn_set_status $ac_retval
 119
 120 } # ac_fn_c_try_compile
 121 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
 122  # Local configure fragment for sysdeps/ieee754/ldbl-opt/.
 123
 124
 125 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mlong-double-128" >&5
 126 $as_echo_n "checking whether $CC $CFLAGS supports -mlong-double-128... " >&6; }
 127 if ${libc_cv_mlong_double_128+:} false; then :
 128   $as_echo_n "(cached) " >&6
 129 else
 130   save_CFLAGS="$CFLAGS"
 131 CFLAGS="$CFLAGS -mlong-double-128"
 132 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 133 /* end confdefs.h.  */
 134
 135 int
 136 main ()
 137 {
 138
 139 #ifndef __LONG_DOUBLE_128__
 140 # error "compiler did not predefine __LONG_DOUBLE_128__ as expected"
 141 #endif
 142 long double foobar (long double x) { return x; }
 143   ;
 144   return 0;
 145 }
 146 _ACEOF
 147 if ac_fn_c_try_compile "$LINENO"; then :
 148   libc_cv_mlong_double_128=yes
 149 else
 150   libc_cv_mlong_double_128=no
 151 fi
 152 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 153 CFLAGS="$save_CFLAGS"
 154 fi
 155 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128" >&5
 156 $as_echo "$libc_cv_mlong_double_128" >&6; }
 157 if test "$libc_cv_mlong_double_128" = no; then
 158   as_fn_error $? "this configuration requires -mlong-double-128 support" "$LINENO" 5
 159 fi