sinclude(./aclocal.m4)dnl Autoconf lossage

GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.

# Local configure fragment for sysdeps/ieee754/ldbl-opt/.

AC_CACHE_CHECK(whether $CC $CFLAGS supports -mlong-double-128,

	       libc_cv_mlong_double_128, [dnl

save_CFLAGS="$CFLAGS"

CFLAGS="$CFLAGS -mlong-double-128"

AC_TRY_COMPILE(, [

#ifndef __LONG_DOUBLE_128__

# error "compiler did not predefine __LONG_DOUBLE_128__ as expected"

#endif

long double foobar (long double x) { return x; }],

	       libc_cv_mlong_double_128=yes,

	       libc_cv_mlong_double_128=no)

CFLAGS="$save_CFLAGS"])

if test "$libc_cv_mlong_double_128" = no; then

  AC_MSG_ERROR([this configuration requires -mlong-double-128 support])

fi