881
|
1 dnl define_dir.m4 |
|
2 dnl http://autoconf-archive.cryp.to/ac_define_dir.html |
|
3 |
|
4 # AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) |
|
5 # This macro sets VARNAME to the expansion of the DIR variable, taking care |
|
6 # of fixing up ${prefix} and such. |
|
7 # VARNAME is then offered as both an output variable and a C preprocessor |
|
8 # symbol. |
|
9 |
|
10 # Authors |
|
11 # Stepan Kasal <kasal@ucw.cz>, Andreas Schwab <schwab@suse.de>, |
|
12 # Guido Draheim <guidod@gmx.de>, Alexandre Oliva |
|
13 # (Slightly modified -- Mikael Berthe) |
|
14 |
|
15 AC_DEFUN([AC_DEFINE_DIR], [ |
|
16 prefix_NONE= |
|
17 exec_prefix_NONE= |
|
18 test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix |
|
19 test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix |
|
20 dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn |
|
21 dnl refers to ${prefix}. Thus we have to use `eval' twice. |
|
22 ac_define_dir=`eval echo [$]$2` |
|
23 ac_define_dir=`eval echo [$]ac_define_dir` |
|
24 AC_SUBST($1, "$ac_define_dir") |
|
25 ifelse($3, , |
|
26 AC_DEFINE_UNQUOTED($1, "$ac_define_dir"), |
|
27 AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3)) |
|
28 test "$prefix_NONE" && prefix=NONE |
|
29 test "$exec_prefix_NONE" && exec_prefix=NONE |
|
30 ]) |