1dnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION])
2dnl
3dnl This macro sets VARNAME to the expansion of the DIR variable,
4dnl taking care of fixing up ${prefix} and such.
5dnl
6dnl VARNAME is then offered as both an output variable and a C
7dnl preprocessor symbol.
8dnl
9dnl Modified by Mark Hessling to fix eval bug
10dnl
11dnl Example:
12dnl
13dnl    AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.])
14dnl
15dnl @category Misc
16dnl @author Stepan Kasal <kasal@ucw.cz>
17dnl @author Andreas Schwab <schwab@suse.de>
18dnl @author Guido U. Draheim <guidod@gmx.de>
19dnl @author Alexandre Oliva
20dnl @version 2006-10-13
21dnl @license AllPermissive
22
23AC_DEFUN([AC_DEFINE_DIR], [
24  prefix_NONE=
25  exec_prefix_NONE=
26  test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix
27  test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix
28dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn
29dnl refers to ${prefix}.  Thus we have to use `eval' twice.
30  eval ac_define_dir="\"$2\""
31  eval ac_define_dir="\"$ac_define_dir\""
32  AC_SUBST($1, "$ac_define_dir")
33  AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3])
34  test "$prefix_NONE" && prefix=NONE
35  test "$exec_prefix_NONE" && exec_prefix=NONE
36])
37
38