adm/unix/config_files/ac_pkg_swig.m4

   1 dnl @synopsis AC_PROG_SWIG([major.minor.micro])
   2 dnl
   3 dnl This macro searches for a SWIG installation on your system. If found you
   4 dnl should) SWIG via $(SWIG).  You can use the optional first argument to check
   5 dnl if the version of the available SWIG is greater than or equal to the
   6 dnl value of the argument.  It should have the format: N[.N[.N]] (N is a
   7 dnl number between 0 and 999.  Only the first N is mandatory.)
   8 dnl
   9 dnl If the version argument is given (e.g. 1.3.17), AC_PROG_SWIG checks that the
  10 dnl swig package is this version number or higher.
  11 dnl
  12 dnl In configure.in, use as:
  13 dnl
  14 dnl             AC_PROG_SWIG(1.3.17)
  15 dnl             SWIG_ENABLE_CXX
  16 dnl             SWIG_MULTI_MODULE_SUPPORT
  17 dnl             SWIG_PYTHON
  18 dnl
  19 dnl @authors Sebastian Huber <address@hidden>, Alan W. Irwin
  20 dnl <address@hidden>, Rafael Laboissiere <address@hidden> and
  21 dnl Andrew Collier <address@hidden>.
  22 dnl
  23 dnl
  24 AC_DEFUN([AC_PROG_SWIG],[
  25   swig_ok=no
  26         AC_PATH_PROG([SWIG],[swig])
  27         if test -z "$SWIG" ; then
  28                 AC_MSG_WARN([cannot find 'swig' program. You should look at http://www.swig.org])
  29                 SWIG='echo "Error: SWIG is not installed. You should look at http://www.swig.org" ; false'
  30         elif test -n "$1" ; then
  31                 AC_MSG_CHECKING([for SWIG version])
  32                 [swig_version=`$SWIG -version 2>&1 | grep 'SWIG Version' | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`]
  33                 AC_MSG_RESULT([$swig_version])
  34                 if test -n "$swig_version" ; then
  35                         # Calculate the required version number components
  36                         [required=$1]
  37                         [required_major=`echo $required | sed 's/[^0-9].*//'`]
  38                         if test -z "$required_major" ; then
  39                                 [required_major=0]
  40                         fi
  41                         [required=`echo $required | sed 's/[0-9]*[^0-9]//'`]
  42                         [required_minor=`echo $required | sed 's/[^0-9].*//'`]
  43                         if test -z "$required_minor" ; then
  44                                 [required_minor=0]
  45                         fi
  46                         [required=`echo $required | sed 's/[0-9]*[^0-9]//'`]
  47                         [required_patch=`echo $required | sed 's/[^0-9].*//'`]
  48                         if test -z "$required_patch" ; then
  49                                 [required_patch=0]
  50                         fi
  51                         # Calculate the available version number components
  52                         [available=$swig_version]
  53                         [available_major=`echo $available | sed 's/[^0-9].*//'`]
  54                         if test -z "$available_major" ; then
  55                                 [available_major=0]
  56                         fi
  57                         [available=`echo $available | sed 's/[0-9]*[^0-9]//'`]
  58                         [available_minor=`echo $available | sed 's/[^0-9].*//'`]
  59                         if test -z "$available_minor" ; then
  60                                 [available_minor=0]
  61                         fi
  62                         [available=`echo $available | sed 's/[0-9]*[^0-9]//'`]
  63                         [available_patch=`echo $available | sed 's/[^0-9].*//'`]
  64                         if test -z "$available_patch" ; then
  65                                 [available_patch=0]
  66                         fi
  67                         if test $available_major -ne $required_major \
  68                                 -o $available_minor -ne $required_minor \
  69                                 -o $available_patch -lt $required_patch ; then
  70                                 AC_MSG_WARN([SWIG version >= $1 is required.  You have $swig_version.  You should look at http://www.swig.org])
  71                                 SWIG='echo "Error: SWIG version >= $1 is required.  You have '"$swig_version"'.  You should look at http://www.swig.org" ; false'
  72                         else
  73                                 AC_MSG_NOTICE([SWIG executable is '$SWIG'])
  74         swig_ok=yes
  75                                 SWIG_LIB=`$SWIG -swiglib`
  76                                 AC_MSG_NOTICE([SWIG runtime library directory is '$SWIG_LIB'])
  77                         fi
  78                 else
  79                         AC_MSG_WARN([cannot determine SWIG version])
  80                         SWIG='echo "Error: Cannot determine SWIG version.  You should look at http://www.swig.org" ; false'
  81                 fi
  82         fi
  83         AC_SUBST([SWIG_LIB])
  84 ])
  85
  86 # SWIG_ENABLE_CXX()
  87 #
  88 # Enable SWIG C++ support.  This affects all invocations of $(SWIG).
  89 AC_DEFUN([SWIG_ENABLE_CXX],[
  90         AC_REQUIRE([AC_PROG_SWIG])
  91         AC_REQUIRE([AC_PROG_CXX])
  92         SWIG="$SWIG -c++"
  93 ])
  94
  95 # SWIG_MULTI_MODULE_SUPPORT()
  96 #
  97 # Enable support for multiple modules.  This effects all invocations
  98 # of $(SWIG).  You have to link all generated modules against the
  99 # appropriate SWIG runtime library.  If you want to build Python
 100 # modules for example, use the SWIG_PYTHON() macro and link the
 101 # modules against $(SWIG_PYTHON_LIBS).
 102 AC_DEFUN([SWIG_MULTI_MODULE_SUPPORT],[
 103         AC_REQUIRE([AC_PROG_SWIG])
 104         SWIG="$SWIG -c"
 105 ])
 106
 107 # SWIG_PYTHON([use-shadow-classes = {no, yes}])
 108 #
 109 # Checks for Python and provides the $(SWIG_PYTHON_CPPFLAGS),
 110 # $(SWIG_PYTHON_LIBS) and $(SWIG_PYTHON_OPT) output variables.
 111 # $(SWIG_PYTHON_OPT) contains all necessary SWIG options to generate
 112 # code for Python.  Shadow classes are enabled unless the value of the
 113 # optional first argument is exactly 'no'.  If you need multi module
 114 # support (provided by the SWIG_MULTI_MODULE_SUPPORT() macro) use
 115 # $(SWIG_PYTHON_LIBS) to link against the appropriate library.  It
 116 # contains the SWIG Python runtime library that is needed by the type
 117 # check system for example.
 118 AC_DEFUN([SWIG_PYTHON],[
 119         AC_REQUIRE([AC_PROG_SWIG])
 120         AC_REQUIRE([AC_PYTHON_DEVEL])
 121         test "x$1" != "xno" || swig_shadow=" -noproxy"
 122         AC_SUBST([SWIG_PYTHON_OPT],[-python$swig_shadow])
 123         AC_SUBST([SWIG_PYTHON_CPPFLAGS],[$PYTHON_CPPFLAGS])
 124         AC_SUBST([SWIG_PYTHON_LIBS],["-L$SWIG_LIB -lswigpy"])
 125 ])
 126
 127
 128 dnl @synopsis AC_LIB_WAD
 129 dnl
 130 dnl This macro searches for installed WAD library.
 131 dnl
 132 AC_DEFUN([AC_LIB_WAD],
 133 [
 134         AC_REQUIRE([AC_PYTHON_DEVEL])
 135         AC_ARG_ENABLE(wad,
 136         AC_HELP_STRING([--enable-wad], [enable wad module]),
 137         [
 138                 case "${enableval}" in
 139                         no)     ;;
 140                         *)      if test "x${enableval}" = xyes;
 141                                 then
 142                                         check_wad="yes"
 143                                 fi ;;
 144                 esac
 145         ], [])
 146
 147         if test -n "$check_wad";
 148         then
 149                 AC_CHECK_LIB(wadpy, _init, [WADPY=-lwadpy], [], $PYTHON_LDFLAGS $PYTHON_EXTRA_LIBS)
 150                 AC_SUBST(WADPY)
 151         fi
 152 ])