ac_define_dir.m4 (1632B)
1 # =========================================================================== 2 # http://autoconf-archive.cryp.to/ac_define_dir.html 3 # =========================================================================== 4 # 5 # SYNOPSIS 6 # 7 # AC_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 ${prefix} and such. 13 # 14 # VARNAME is then offered as both an output variable and a C preprocessor 15 # symbol. 16 # 17 # Example: 18 # 19 # AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.]) 20 # 21 # LAST MODIFICATION 22 # 23 # 2008-04-12 24 # 25 # COPYLEFT 26 # 27 # Copyright (c) 2008 Stepan Kasal <kasal@ucw.cz> 28 # Copyright (c) 2008 Andreas Schwab <schwab@suse.de> 29 # Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> 30 # Copyright (c) 2008 Alexandre Oliva 31 # 32 # Copying and distribution of this file, with or without modification, are 33 # permitted in any medium without royalty provided the copyright notice 34 # and this notice are preserved. 35 36 AC_DEFUN([AC_DEFINE_DIR], [ 37 prefix_NONE= 38 exec_prefix_NONE= 39 test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix 40 test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix 41 dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn 42 dnl refers to ${prefix}. Thus we have to use `eval' twice. 43 eval ac_define_dir="\"[$]$2\"" 44 eval ac_define_dir="\"$ac_define_dir\"" 45 AC_SUBST($1, "$ac_define_dir") 46 AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3]) 47 test "$prefix_NONE" && prefix=NONE 48 test "$exec_prefix_NONE" && exec_prefix=NONE 49 ])