1dnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) 2dnl 3dnl This macro _AC_DEFINEs VARNAME to the expansion of the DIR 4dnl variable, taking care of fixing up ${prefix} and such. 5dnl 6dnl VARNAME is offered as both a C preprocessor symbol, and an output 7dnl variable. 8dnl 9dnl Note that the 3 argument form is only supported with autoconf 2.13 10dnl and later (i.e. only where _AC_DEFINE supports 3 arguments). 11dnl 12dnl Examples: 13dnl 14dnl AC_DEFINE_DIR(DATADIR, datadir) 15dnl AC_DEFINE_DIR(PROG_PATH, bindir, [Location of installed binaries]) 16dnl 17dnl @category Misc 18dnl @author Stepan Kasal <kasal@ucw.cz> 19dnl @author Andreas Schwab <schwab@suse.de> 20dnl @author Guido Draheim <guidod@gmx.de> 21dnl @author Alexandre Oliva 22dnl @version 2005-01-17 23dnl @license AllPermissive 24 25AC_DEFUN([AC_DEFINE_DIR], [ 26 prefix_NONE= 27 exec_prefix_NONE= 28 test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix 29 test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix 30 eval ac_define_dir="\"[$]$2\"" 31 AC_SUBST($1, "$ac_define_dir") 32 AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3]) 33 test "$prefix_NONE" && prefix=NONE 34 test "$exec_prefix_NONE" && exec_prefix=NONE 35]) 36