1 # ===========================================================================
2 # http://www.gnu.org/software/autoconf-archive/ax_define_dir.html
3 # ===========================================================================
7 # AX_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION])
11 # This macro sets VARNAME to the expansion of the DIR variable, taking
12 # care of fixing up ${prefix} and such.
14 # VARNAME is then offered as both an output variable and a C preprocessor
19 # AX_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.])
23 # Copyright (c) 2008 Stepan Kasal <kasal@ucw.cz>
24 # Copyright (c) 2008 Andreas Schwab <schwab@suse.de>
25 # Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
26 # Copyright (c) 2008 Alexandre Oliva
28 # Copying and distribution of this file, with or without modification, are
29 # permitted in any medium without royalty provided the copyright notice
30 # and this notice are preserved. This file is offered as-is, without any
35 AU_ALIAS([AC_DEFINE_DIR], [AX_DEFINE_DIR])
36 AC_DEFUN([AX_DEFINE_DIR], [
39 test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix
40 test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix
41 dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn
42 dnl refers to ${prefix}. Thus we have to use `eval' twice.
43 eval ax_define_dir="\"[$]$2\""
44 eval ax_define_dir="\"$ax_define_dir\""
45 AC_SUBST($1, "$ax_define_dir")
46 AC_DEFINE_UNQUOTED($1, "$ax_define_dir", [$3])
47 test "$prefix_NONE" && prefix=NONE
48 test "$exec_prefix_NONE" && exec_prefix=NONE