| 1 | # =========================================================================== |
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| 2 | # http://www.nongnu.org/autoconf-archive/ac_pkg_swig.html |
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| 3 | # =========================================================================== |
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| 4 | # |
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| 5 | # SYNOPSIS |
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| 6 | # |
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| 7 | # AC_PROG_SWIG([major.minor.micro]) |
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| 8 | # |
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| 9 | # DESCRIPTION |
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| 10 | # |
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| 11 | # This macro searches for a SWIG installation on your system. If found you |
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| 12 | # should call SWIG via $(SWIG). You can use the optional first argument to |
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| 13 | # check if the version of the available SWIG is greater than or equal to |
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| 14 | # the value of the argument. It should have the format: N[.N[.N]] (N is a |
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| 15 | # number between 0 and 999. Only the first N is mandatory.) |
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| 16 | # |
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| 17 | # If the version argument is given (e.g. 1.3.17), AC_PROG_SWIG checks that |
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| 18 | # the swig package is this version number or higher. |
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| 19 | # |
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| 20 | # In configure.in, use as: |
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| 21 | # |
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| 22 | # AC_PROG_SWIG(1.3.17) |
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| 23 | # SWIG_ENABLE_CXX |
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| 24 | # SWIG_MULTI_MODULE_SUPPORT |
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| 25 | # SWIG_PYTHON |
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| 26 | # |
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| 27 | # LICENSE |
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| 28 | # |
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| 29 | # Copyright (c) 2008 Sebastian Huber <sebastian-huber@web.de> |
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| 30 | # Copyright (c) 2008 Alan W. Irwin <irwin@beluga.phys.uvic.ca> |
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| 31 | # Copyright (c) 2008 Rafael Laboissiere <rafael@laboissiere.net> |
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| 32 | # Copyright (c) 2008 Andrew Collier <colliera@ukzn.ac.za> |
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| 33 | # |
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| 34 | # This program is free software; you can redistribute it and/or modify it |
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| 35 | # under the terms of the GNU General Public License as published by the |
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| 36 | # Free Software Foundation; either version 2 of the License, or (at your |
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| 37 | # option) any later version. |
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| 38 | # |
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| 39 | # This program is distributed in the hope that it will be useful, but |
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| 40 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 41 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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| 42 | # Public License for more details. |
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| 43 | # |
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| 44 | # You should have received a copy of the GNU General Public License along |
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| 45 | # with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 46 | # |
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| 47 | # As a special exception, the respective Autoconf Macro's copyright owner |
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| 48 | # gives unlimited permission to copy, distribute and modify the configure |
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| 49 | # scripts that are the output of Autoconf when processing the Macro. You |
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| 50 | # need not follow the terms of the GNU General Public License when using |
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| 51 | # or distributing such scripts, even though portions of the text of the |
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| 52 | # Macro appear in them. The GNU General Public License (GPL) does govern |
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| 53 | # all other use of the material that constitutes the Autoconf Macro. |
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| 54 | # |
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| 55 | # This special exception to the GPL applies to versions of the Autoconf |
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| 56 | # Macro released by the Autoconf Archive. When you make and distribute a |
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| 57 | # modified version of the Autoconf Macro, you may extend this special |
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| 58 | # exception to the GPL to apply to your modified version as well. |
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| 59 | |
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| 60 | AC_DEFUN([AC_PROG_SWIG],[ |
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| 61 | AC_PATH_PROG([SWIG],[swig]) |
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| 62 | if test -z "$SWIG" ; then |
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| 63 | AC_MSG_WARN([cannot find 'swig' program. You should look at http://www.swig.org]) |
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| 64 | SWIG='echo "Error: SWIG is not installed. You should look at http://www.swig.org" ; false' |
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| 65 | elif test -n "$1" ; then |
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| 66 | AC_MSG_CHECKING([for SWIG version]) |
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| 67 | [swig_version=`$SWIG -version 2>&1 | grep 'SWIG Version' | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`] |
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| 68 | AC_MSG_RESULT([$swig_version]) |
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| 69 | if test -n "$swig_version" ; then |
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| 70 | # Calculate the required version number components |
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| 71 | [required=$1] |
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| 72 | [required_major=`echo $required | sed 's/[^0-9].*//'`] |
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| 73 | if test -z "$required_major" ; then |
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| 74 | [required_major=0] |
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| 75 | fi |
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| 76 | [required=`echo $required | sed 's/[0-9]*[^0-9]//'`] |
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| 77 | [required_minor=`echo $required | sed 's/[^0-9].*//'`] |
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| 78 | if test -z "$required_minor" ; then |
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| 79 | [required_minor=0] |
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| 80 | fi |
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| 81 | [required=`echo $required | sed 's/[0-9]*[^0-9]//'`] |
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| 82 | [required_patch=`echo $required | sed 's/[^0-9].*//'`] |
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| 83 | if test -z "$required_patch" ; then |
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| 84 | [required_patch=0] |
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| 85 | fi |
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| 86 | # Calculate the available version number components |
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| 87 | [available=$swig_version] |
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| 88 | [available_major=`echo $available | sed 's/[^0-9].*//'`] |
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| 89 | if test -z "$available_major" ; then |
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| 90 | [available_major=0] |
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| 91 | fi |
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| 92 | [available=`echo $available | sed 's/[0-9]*[^0-9]//'`] |
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| 93 | [available_minor=`echo $available | sed 's/[^0-9].*//'`] |
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| 94 | if test -z "$available_minor" ; then |
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| 95 | [available_minor=0] |
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| 96 | fi |
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| 97 | [available=`echo $available | sed 's/[0-9]*[^0-9]//'`] |
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| 98 | [available_patch=`echo $available | sed 's/[^0-9].*//'`] |
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| 99 | if test -z "$available_patch" ; then |
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| 100 | [available_patch=0] |
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| 101 | fi |
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| 102 | if test $available_major -ne $required_major \ |
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| 103 | -o $available_minor -ne $required_minor \ |
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| 104 | -o $available_patch -lt $required_patch ; then |
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| 105 | AC_MSG_WARN([SWIG version >= $1 is required. You have $swig_version. You should look at http://www.swig.org]) |
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| 106 | SWIG='echo "Error: SWIG version >= $1 is required. You have '"$swig_version"'. You should look at http://www.swig.org" ; false' |
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| 107 | else |
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| 108 | AC_MSG_NOTICE([SWIG executable is '$SWIG']) |
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| 109 | SWIG_LIB=`$SWIG -swiglib` |
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| 110 | AC_MSG_NOTICE([SWIG library directory is '$SWIG_LIB']) |
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| 111 | fi |
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| 112 | else |
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| 113 | AC_MSG_WARN([cannot determine SWIG version]) |
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| 114 | SWIG='echo "Error: Cannot determine SWIG version. You should look at http://www.swig.org" ; false' |
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| 115 | fi |
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| 116 | fi |
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| 117 | AC_SUBST([SWIG_LIB]) |
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| 118 | ]) |
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