1706f2543Smrg# =========================================================================== 2706f2543Smrg# http://autoconf-archive.cryp.to/ac_define_dir.html 3706f2543Smrg# =========================================================================== 4706f2543Smrg# 5706f2543Smrg# SYNOPSIS 6706f2543Smrg# 7706f2543Smrg# AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) 8706f2543Smrg# 9706f2543Smrg# DESCRIPTION 10706f2543Smrg# 11706f2543Smrg# This macro sets VARNAME to the expansion of the DIR variable, taking 12706f2543Smrg# care of fixing up ${prefix} and such. 13706f2543Smrg# 14706f2543Smrg# VARNAME is then offered as both an output variable and a C preprocessor 15706f2543Smrg# symbol. 16706f2543Smrg# 17706f2543Smrg# Example: 18706f2543Smrg# 19706f2543Smrg# AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.]) 20706f2543Smrg# 21706f2543Smrg# LAST MODIFICATION 22706f2543Smrg# 23706f2543Smrg# 2008-04-12 24706f2543Smrg# 25706f2543Smrg# COPYLEFT 26706f2543Smrg# 27706f2543Smrg# Copyright (c) 2008 Stepan Kasal <kasal@ucw.cz> 28706f2543Smrg# Copyright (c) 2008 Andreas Schwab <schwab@suse.de> 29706f2543Smrg# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> 30706f2543Smrg# Copyright (c) 2008 Alexandre Oliva 31706f2543Smrg# 32706f2543Smrg# Copying and distribution of this file, with or without modification, are 33706f2543Smrg# permitted in any medium without royalty provided the copyright notice 34706f2543Smrg# and this notice are preserved. 35706f2543Smrg 36706f2543SmrgAC_DEFUN([AC_DEFINE_DIR], [ 37706f2543Smrg prefix_NONE= 38706f2543Smrg exec_prefix_NONE= 39706f2543Smrg test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix 40706f2543Smrg test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix 41706f2543Smrgdnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn 42706f2543Smrgdnl refers to ${prefix}. Thus we have to use `eval' twice. 43706f2543Smrg eval ac_define_dir="\"[$]$2\"" 44706f2543Smrg eval ac_define_dir="\"$ac_define_dir\"" 45706f2543Smrg AC_SUBST($1, "$ac_define_dir") 46706f2543Smrg AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3]) 47706f2543Smrg test "$prefix_NONE" && prefix=NONE 48706f2543Smrg test "$exec_prefix_NONE" && exec_prefix=NONE 49706f2543Smrg]) 50