Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/lcms2/m4/ax_check_compile_flag.m4 @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 # ===========================================================================
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2 # https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
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3 # ===========================================================================
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4 #
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5 # SYNOPSIS
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6 #
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7 # AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
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8 #
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9 # DESCRIPTION
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10 #
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11 # Check whether the given FLAG works with the current language's compiler
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12 # or gives an error. (Warnings, however, are ignored)
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13 #
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14 # ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
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15 # success/failure.
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16 #
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17 # If EXTRA-FLAGS is defined, it is added to the current language's default
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18 # flags (e.g. CFLAGS) when the check is done. The check is thus made with
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19 # the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
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20 # force the compiler to issue an error when a bad flag is given.
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21 #
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22 # INPUT gives an alternative input source to AC_COMPILE_IFELSE.
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23 #
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24 # NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
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25 # macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
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26 #
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27 # LICENSE
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28 #
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29 # Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
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30 # Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
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31 #
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32 # Copying and distribution of this file, with or without modification, are
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33 # permitted in any medium without royalty provided the copyright notice
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34 # and this notice are preserved. This file is offered as-is, without any
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35 # warranty.
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36
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37 #serial 6
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38
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39 AC_DEFUN([AX_CHECK_COMPILE_FLAG],
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40 [AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
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41 AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
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42 AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
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43 ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
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44 _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
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45 AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
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46 [AS_VAR_SET(CACHEVAR,[yes])],
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47 [AS_VAR_SET(CACHEVAR,[no])])
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48 _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
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49 AS_VAR_IF(CACHEVAR,yes,
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50 [m4_default([$2], :)],
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51 [m4_default([$3], :)])
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52 AS_VAR_POPDEF([CACHEVAR])dnl
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53 ])dnl AX_CHECK_COMPILE_FLAGS