config/elf.m4

   1 dnl Copyright (C) 2010, 2011, 2015 Free Software Foundation, Inc.
   2 dnl This file is free software, distributed under the terms of the GNU
   3 dnl General Public License.  As a special exception to the GNU General
   4 dnl Public License, this file may be distributed as part of a program
   5 dnl that contains a configuration script generated by Autoconf, under
   6 dnl the same distribution terms as the rest of that program.
   7
   8 dnl From Paolo Bonzini.
   9
  10 dnl Is this an ELF target supporting the LTO plugin?
  11
  12 dnl usage: ACX_ELF_TARGET_IFELSE([if-elf], [if-not-elf])
  13 AC_DEFUN([ACX_ELF_TARGET_IFELSE], [
  14 AC_REQUIRE([AC_CANONICAL_TARGET])
  15
  16 target_elf=no
  17 case $target in
  18   *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
  19   *-msdosdjgpp* | *-vms* | *-wince* | *-*-pe* | \
  20   alpha*-dec-osf* | *-interix* | hppa[[12]]*-*-hpux* | \
  21   nvptx-*-none)
  22     target_elf=no
  23     ;;
  24   *)
  25     target_elf=yes
  26     ;;
  27 esac
  28
  29 AS_IF([test $target_elf = yes], [$1], [$2])
  30 ])