diff options
Diffstat (limited to 'Build/source/texk/web2c/aclocal.m4')
| -rw-r--r-- | Build/source/texk/web2c/aclocal.m4 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/aclocal.m4 b/Build/source/texk/web2c/aclocal.m4 index cd9b05e20a5..ac8a75a4b03 100644 --- a/Build/source/texk/web2c/aclocal.m4 +++ b/Build/source/texk/web2c/aclocal.m4 @@ -109,6 +109,43 @@ AC_PREREQ([2.50])dnl am_aux_dir=`cd $ac_aux_dir && pwd` ]) +# AM_COND_IF -*- Autoconf -*- + +# Copyright (C) 2008-2013 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_COND_IF +# _AM_COND_ELSE +# _AM_COND_ENDIF +# -------------- +# These macros are only used for tracing. +m4_define([_AM_COND_IF]) +m4_define([_AM_COND_ELSE]) +m4_define([_AM_COND_ENDIF]) + +# AM_COND_IF(COND, [IF-TRUE], [IF-FALSE]) +# --------------------------------------- +# If the shell condition COND is true, execute IF-TRUE, otherwise execute +# IF-FALSE. Allow automake to learn about conditional instantiating macros +# (the AC_CONFIG_FOOS). +AC_DEFUN([AM_COND_IF], +[m4_ifndef([_AM_COND_VALUE_$1], + [m4_fatal([$0: no such condition "$1"])])dnl +_AM_COND_IF([$1])dnl +if test -z "$$1_TRUE"; then : + m4_n([$2])[]dnl +m4_ifval([$3], +[_AM_COND_ELSE([$1])dnl +else + $3 +])dnl +_AM_COND_ENDIF([$1])dnl +fi[]dnl +]) + # AM_CONDITIONAL -*- Autoconf -*- # Copyright (C) 1997-2013 Free Software Foundation, Inc. |