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+dnl
+dnl Copyright 2003 Free Software Foundation, Inc.
+dnl
+dnl This file is part of GNU Radio
+dnl
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING. If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+dnl
+
+# SWIG_PROG([required-version])
+#
+# Checks for the SWIG program. If found you can (and should) call SWIG via $(SWIG).
+# You can use the optional first argument to check if the version of the available SWIG
+# is greater or equal to the value of the argument. It should have the format:
+# N[.N[.N]] (N is a number between 0 and 999. Only the first N is mandatory.)
+AC_DEFUN([SWIG_PROG],[
+ AC_REQUIRE([AC_PROG_MAKE_SET])
+ AC_CHECK_PROG(SWIG,swig,[`which swig`])
+ if test -z "$SWIG" ; then
+ AC_MSG_ERROR([Cannot find 'swig' program. SWIG version >= $1 required])
+ SWIG=false
+ elif test -n "$1" ; then
+ AC_MSG_CHECKING([for SWIG version])
+ swig_version=`$SWIG -version 2>&1 | \
+ awk '/^SWIG Version [[0-9]+\.[0-9]+\.[0-9]]+.*$/ { split($[3],a,"[[^.0-9]]"); print a[[1]] }'`
+ AC_MSG_RESULT([$swig_version])
+ if test -n "$swig_version" ; then
+ swig_version=`echo $swig_version | \
+ awk '{ split($[1],a,"\."); print [a[1]*1000000+a[2]*1000+a[3]] }' 2>/dev/null`
+ swig_required_version=`echo $1 | \
+ awk '{ split($[1],a,"\."); print [a[1]*1000000+a[2]*1000+a[3]] }' 2>/dev/null`
+ if test $swig_required_version -gt $swig_version ; then
+ AC_MSG_ERROR([SWIG version >= $1 required])
+ fi
+ else
+ AC_MSG_ERROR([cannot determine SWIG version])
+ fi
+ fi
+])
+
+# SWIG_ENABLE_CXX()
+#
+# Enable swig C++ support. This effects all invocations of $(SWIG).
+AC_DEFUN([SWIG_ENABLE_CXX],[
+ AC_REQUIRE([SWIG_PROG])
+ AC_REQUIRE([AC_PROG_CXX])
+ if test "$SWIG" != "false" ; then
+ SWIG="$SWIG -c++"
+ fi
+])
+
+# SWIG_PYTHON([use-shadow-classes])
+#
+# Checks for Python and provides the $(SWIG_PYTHON_CPPFLAGS),
+# $(SWIG_PYTHON_LIB) and $(SWIG_PYTHON_OPT) output variables.
+# $(SWIG_PYTHON_OPT) contains all necessary swig options to generate
+# code for Python. If you need multi module support use
+# $(SWIG_PYTHON_LIB) (provided by the SWIG_MULTI_MODULE_SUPPORT()
+# macro) to link against the appropriate library. It contains the
+# SWIG Python runtime library that is needed by the type check system
+# for example.
+
+AC_DEFUN([SWIG_PYTHON],[
+ AC_REQUIRE([SWIG_PROG])
+ AC_REQUIRE([PYTHON_DEVEL])
+ if test "$SWIG" != "false" ; then
+ AC_SUBST(SWIG_PYTHON_LIB,[-lswigpy])
+dnl test ! "x$1" = "xno" && swig_shadow=" -shadow" || swig_shadow=""
+dnl AC_SUBST(SWIG_PYTHON_OPT,[-python$swig_shadow])
+ AC_SUBST(SWIG_PYTHON_OPT,[-python])
+ fi
+ AC_SUBST(SWIG_PYTHON_CPPFLAGS,[$PYTHON_CPPFLAGS])
+])
personal git repositories of Harald Welte. Your mileage may vary