annotate config/elf.m4 @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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1 dnl Copyright (C) 2010, 2011, 2015 Free Software Foundation, Inc.
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2 dnl This file is free software, distributed under the terms of the GNU
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3 dnl General Public License. As a special exception to the GNU General
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4 dnl Public License, this file may be distributed as part of a program
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5 dnl that contains a configuration script generated by Autoconf, under
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6 dnl the same distribution terms as the rest of that program.
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7
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8 dnl From Paolo Bonzini.
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9
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10 dnl Is this an ELF target supporting the LTO plugin?
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11
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12 dnl usage: ACX_ELF_TARGET_IFELSE([if-elf], [if-not-elf])
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13 AC_DEFUN([ACX_ELF_TARGET_IFELSE], [
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14 AC_REQUIRE([AC_CANONICAL_TARGET])
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16 target_elf=no
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17 case $target in
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18 *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
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19 *-msdosdjgpp* | *-vms* | *-wince* | *-*-pe* | \
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20 alpha*-dec-osf* | *-interix* | hppa[[12]]*-*-hpux* | \
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21 nvptx-*-none)
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22 target_elf=no
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23 ;;
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24 *)
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25 target_elf=yes
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26 ;;
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27 esac
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29 AS_IF([test $target_elf = yes], [$1], [$2])
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30 ])