1# =========================================================================== 2# http://www.gnu.org/software/autoconf-archive/ax_define_dir.html 3# =========================================================================== 4# 5# SYNOPSIS 6# 7# AX_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) 8# 9# DESCRIPTION 10# 11# This macro sets VARNAME to the expansion of the DIR variable, taking 12# care of fixing up ${prefix} and such. 13# 14# VARNAME is then offered as both an output variable and a C preprocessor 15# symbol. 16# 17# Example: 18# 19# AX_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.]) 20# 21# LICENSE 22# 23# Copyright (c) 2008 Stepan Kasal <kasal@ucw.cz> 24# Copyright (c) 2008 Andreas Schwab <schwab@suse.de> 25# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> 26# Copyright (c) 2008 Alexandre Oliva 27# 28# Copying and distribution of this file, with or without modification, are 29# permitted in any medium without royalty provided the copyright notice 30# and this notice are preserved. This file is offered as-is, without any 31# warranty. 32 33#serial 6 34 35AU_ALIAS([AC_DEFINE_DIR], [AX_DEFINE_DIR]) 36AC_DEFUN([AX_DEFINE_DIR], [ 37 prefix_NONE= 38 exec_prefix_NONE= 39 test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix 40 test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix 41dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn 42dnl refers to ${prefix}. Thus we have to use `eval' twice. 43 eval ax_define_dir="\"[$]$2\"" 44 eval ax_define_dir="\"$ax_define_dir\"" 45 AC_SUBST($1, "$ax_define_dir") 46 AC_DEFINE_UNQUOTED($1, "$ax_define_dir", [$3]) 47 test "$prefix_NONE" && prefix=NONE 48 test "$exec_prefix_NONE" && exec_prefix=NONE 49]) 50