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path: root/sysdeps/ieee754/ldbl-opt/configure
blob: 68d8d7b46513f9879439b444171f5e1ddc1eaf4d (plain)
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# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/ieee754/ldbl-opt/.


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mlong-double-128" >&5
printf %s "checking whether $CC $CFLAGS supports -mlong-double-128... " >&6; }
if test ${libc_cv_mlong_double_128+y}
then :
  printf %s "(cached) " >&6
else $as_nop
  save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mlong-double-128"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main (void)
{

#ifndef __LONG_DOUBLE_128__
# error "compiler did not predefine __LONG_DOUBLE_128__ as expected"
#endif
long double foobar (long double x) { return x; }
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  libc_cv_mlong_double_128=yes
else $as_nop
  libc_cv_mlong_double_128=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
CFLAGS="$save_CFLAGS"
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128" >&5
printf "%s\n" "$libc_cv_mlong_double_128" >&6; }
if test "$libc_cv_mlong_double_128" = no; then
  as_fn_error $? "this configuration requires -mlong-double-128 support" "$LINENO" 5
fi