|  | dnl Copyright (C) 2010, 2011, 2015 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 Is this an ELF target supporting the LTO plugin? | 
|  |  | 
|  | 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* | *-vms* | *-wince* | *-*-pe* | \ | 
|  | alpha*-dec-osf* | *-interix* | hppa[[12]]*-*-hpux* | \ | 
|  | nvptx-*-none) | 
|  | target_elf=no | 
|  | ;; | 
|  | *) | 
|  | target_elf=yes | 
|  | ;; | 
|  | esac | 
|  |  | 
|  | AS_IF([test $target_elf = yes], [$1], [$2]) | 
|  | ]) |