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-rw-r--r--m4/acinclude.m447
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diff --git a/m4/acinclude.m4 b/m4/acinclude.m4
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--- a/m4/acinclude.m4
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-##### http://autoconf-archive.cryp.to/ac_define_dir.html
-#
-# SYNOPSIS
-#
-# AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION])
-#
-# DESCRIPTION
-#
-# This macro sets VARNAME to the expansion of the DIR variable,
-# taking care of fixing up ${prefix} and such.
-#
-# VARNAME is then offered as both an output variable and a C
-# preprocessor symbol.
-#
-# Example:
-#
-# AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.])
-#
-# LAST MODIFICATION
-#
-# 2006-10-13
-#
-# COPYLEFT
-#
-# Copyright (c) 2006 Stepan Kasal <kasal@ucw.cz>
-# Copyright (c) 2006 Andreas Schwab <schwab@suse.de>
-# Copyright (c) 2006 Guido U. Draheim <guidod@gmx.de>
-# Copyright (c) 2006 Alexandre Oliva
-#
-# Copying and distribution of this file, with or without
-# modification, are permitted in any medium without royalty provided
-# the copyright notice and this notice are preserved.
-
-AC_DEFUN([AC_DEFINE_DIR], [
- prefix_NONE=
- exec_prefix_NONE=
- test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix
- test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix
-dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn
-dnl refers to ${prefix}. Thus we have to use `eval' twice.
- eval ac_define_dir="\"[$]$2\""
- eval ac_define_dir="\"$ac_define_dir\""
- AC_SUBST($1, "$ac_define_dir")
- AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3])
- test "$prefix_NONE" && prefix=NONE
- test "$exec_prefix_NONE" && exec_prefix=NONE
-])