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| author | Hironobu Yamashita <h.y.acetaminophen@gmail.com> | 2022-08-29 13:52:14 +0000 |
|---|---|---|
| committer | Hironobu Yamashita <h.y.acetaminophen@gmail.com> | 2022-08-29 13:52:14 +0000 |
| commit | 4c5fc2acc23b0715c5cc5aa4adc87c8b998a0cab (patch) | |
| tree | a9d9e4ade07bf8a5b82c2a582885324300040c90 /Build/source/texk/dvisvgm/aclocal.m4 | |
| parent | d6b263980d8d5e05e039587454b7d30c438ff05c (diff) | |
dvisvgm 2.14
git-svn-id: svn://tug.org/texlive/trunk@64224 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/aclocal.m4')
| -rw-r--r-- | Build/source/texk/dvisvgm/aclocal.m4 | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/aclocal.m4 b/Build/source/texk/dvisvgm/aclocal.m4 index 75a9f1068f7..867d626a995 100644 --- a/Build/source/texk/dvisvgm/aclocal.m4 +++ b/Build/source/texk/dvisvgm/aclocal.m4 @@ -20,6 +20,44 @@ You have another version of autoconf. It may work, but is not guaranteed to. If you have problems, you may need to regenerate the build system entirely. To do so, use the procedure documented by the package, typically 'autoreconf'.])]) +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_require_defined.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_REQUIRE_DEFINED(MACRO) +# +# DESCRIPTION +# +# AX_REQUIRE_DEFINED is a simple helper for making sure other macros have +# been defined and thus are available for use. This avoids random issues +# where a macro isn't expanded. Instead the configure script emits a +# non-fatal: +# +# ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found +# +# It's like AC_REQUIRE except it doesn't expand the required macro. +# +# Here's an example: +# +# AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) +# +# LICENSE +# +# Copyright (c) 2014 Mike Frysinger <vapier@gentoo.org> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 2 + +AC_DEFUN([AX_REQUIRE_DEFINED], [dnl + m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])]) +])dnl AX_REQUIRE_DEFINED + # Copyright (C) 2002-2021 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation |