1*2b15cb3dSCy Schubertdnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) 2*2b15cb3dSCy Schubertdnl 3*2b15cb3dSCy Schubertdnl This macro sets VARNAME to the expansion of the DIR variable, 4*2b15cb3dSCy Schubertdnl taking care of fixing up ${prefix} and such. 5*2b15cb3dSCy Schubertdnl 6*2b15cb3dSCy Schubertdnl VARNAME is then offered as both an output variable and a C 7*2b15cb3dSCy Schubertdnl preprocessor symbol. 8*2b15cb3dSCy Schubertdnl 9*2b15cb3dSCy Schubertdnl Example: 10*2b15cb3dSCy Schubertdnl 11*2b15cb3dSCy Schubertdnl AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.]) 12*2b15cb3dSCy Schubertdnl 13*2b15cb3dSCy Schubertdnl @category Misc 14*2b15cb3dSCy Schubertdnl @author Stepan Kasal <kasal@ucw.cz> 15*2b15cb3dSCy Schubertdnl @author Andreas Schwab <schwab@suse.de> 16*2b15cb3dSCy Schubertdnl @author Guido U. Draheim <guidod@gmx.de> 17*2b15cb3dSCy Schubertdnl @author Alexandre Oliva 18*2b15cb3dSCy Schubertdnl @version 2006-10-13 19*2b15cb3dSCy Schubertdnl @license AllPermissive 20*2b15cb3dSCy Schubert 21*2b15cb3dSCy SchubertAC_DEFUN([AC_DEFINE_DIR], [ 22*2b15cb3dSCy Schubert prefix_NONE= 23*2b15cb3dSCy Schubert exec_prefix_NONE= 24*2b15cb3dSCy Schubert test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix 25*2b15cb3dSCy Schubert test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix 26*2b15cb3dSCy Schubertdnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn 27*2b15cb3dSCy Schubertdnl refers to ${prefix}. Thus we have to use `eval' twice. 28*2b15cb3dSCy Schubert eval ac_define_dir="\"[$]$2\"" 29*2b15cb3dSCy Schubert eval ac_define_dir="\"$ac_define_dir\"" 30*2b15cb3dSCy Schubert AC_SUBST($1, "$ac_define_dir") 31*2b15cb3dSCy Schubert AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3]) 32*2b15cb3dSCy Schubert test "$prefix_NONE" && prefix=NONE 33*2b15cb3dSCy Schubert test "$exec_prefix_NONE" && exec_prefix=NONE 34*2b15cb3dSCy Schubert]) 35*2b15cb3dSCy Schubert 36