glibc/sysdeps/ieee754/ldbl-opt/configure
Andreas K. Hüttel 98ffc1bfeb
Convert to autoconf 2.72 (vanilla release, no distribution patches)
As discussed at the patch review meeting

Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
Reviewed-by: Simon Chopin <simon.chopin@canonical.com>
2024-06-17 21:15:28 +02:00

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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 ${libc_cv_mlong_double_128+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) save_CFLAGS="$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 "$LINENO"
then :
libc_cv_mlong_double_128=yes
else case e in #(
e) libc_cv_mlong_double_128=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
CFLAGS="$save_CFLAGS" ;;
esac
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