sysdeps/ieee754/ldbl-opt/configure

   1 # This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
   2  # Local configure fragment for sysdeps/ieee754/ldbl-opt/.
   3
   4
   5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mlong-double-128" >&5
   6 printf %s "checking whether $CC $CFLAGS supports -mlong-double-128... " >&6; }
   7 if test ${libc_cv_mlong_double_128+y}
   8 then :
   9   printf %s "(cached) " >&6
  10 else $as_nop
  11   save_CFLAGS="$CFLAGS"
  12 CFLAGS="$CFLAGS -mlong-double-128"
  13 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  14 /* end confdefs.h.  */
  15
  16 int
  17 main (void)
  18 {
  19
  20 #ifndef __LONG_DOUBLE_128__
  21 # error "compiler did not predefine __LONG_DOUBLE_128__ as expected"
  22 #endif
  23 long double foobar (long double x) { return x; }
  24   ;
  25   return 0;
  26 }
  27 _ACEOF
  28 if ac_fn_c_try_compile "$LINENO"
  29 then :
  30   libc_cv_mlong_double_128=yes
  31 else $as_nop
  32   libc_cv_mlong_double_128=no
  33 fi
  34 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
  35 CFLAGS="$save_CFLAGS"
  36 fi
  37 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128" >&5
  38 printf "%s\n" "$libc_cv_mlong_double_128" >&6; }
  39 if test "$libc_cv_mlong_double_128" = no; then
  40   as_fn_error $? "this configuration requires -mlong-double-128 support" "$LINENO" 5
  41 fi
  42