| Tomas Cejka | 18e505a | 2016-03-14 09:43:46 -0400 | [diff] [blame] | 1 | dnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) |
| 2 | dnl |
| 3 | dnl This macro sets VARNAME to the expansion of the DIR variable, |
| 4 | dnl taking care of fixing up ${prefix} and such. |
| 5 | dnl |
| 6 | dnl VARNAME is then offered as both an output variable and a C |
| 7 | dnl preprocessor symbol. |
| 8 | dnl |
| 9 | dnl Example: |
| 10 | dnl |
| 11 | dnl AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.]) |
| 12 | dnl |
| 13 | dnl @category Misc |
| 14 | dnl @author Stepan Kasal <kasal@ucw.cz> |
| 15 | dnl @author Andreas Schwab <schwab@suse.de> |
| 16 | dnl @author Guido U. Draheim <guidod@gmx.de> |
| 17 | dnl @author Alexandre Oliva |
| 18 | dnl @version 2006-10-13 |
| 19 | dnl @license AllPermissive |
| 20 | |
| 21 | AC_DEFUN([AC_DEFINE_DIR], [ |
| 22 | prefix_NONE= |
| 23 | exec_prefix_NONE= |
| 24 | test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix |
| 25 | test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix |
| 26 | dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn |
| 27 | dnl refers to ${prefix}. Thus we have to use `eval' twice. |
| 28 | eval ac_define_dir="\"[$]$2\"" |
| 29 | eval ac_define_dir="\"$ac_define_dir\"" |
| 30 | AC_SUBST($1, "$ac_define_dir") |
| 31 | AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3]) |
| 32 | test "$prefix_NONE" && prefix=NONE |
| 33 | test "$exec_prefix_NONE" && exec_prefix=NONE |
| 34 | ]) |