gcc/config/elf.m4
Richard Guenther 7413962d04 re PR bootstrap/41529 (LTO configuration should detect if the target is ELF)
2010-01-02  Richard Guenther  <rguenther@suse.de>

	PR lto/41529
	* configure.ac: Include config/elf.m4.  Disable LTO if not
	builting for an elf target.
	* configure: Regenerate.

	config/
	* elf.m4: New file.

From-SVN: r155565
2010-01-02 14:13:37 +00:00

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dnl Copyright (C) 2010 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Paolo Bonzini.
dnl usage: ACX_ELF_TARGET_IFELSE([if-elf], [if-not-elf])
AC_DEFUN([ACX_ELF_TARGET_IFELSE], [
AC_REQUIRE([AC_CANONICAL_TARGET])
target_elf=no
case $target in
*-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
*-msdosdjgpp* | *-netware* | *-vms* | *-wince* | *-*-pe* | \
alpha*-dec-osf* | *-interix*)
target_elf=no
;;
*)
target_elf=yes
;;
esac
AS_IF([test $target_elf = yes], [$1], [$2])
])