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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 $(SWIG).
AC_DEFUN([SWIG_ENABLE_CXX],[
AC_REQUIRE([SWIG_PROG])
AC_REQUIRE([AC_PROG_CXX])
if test x${enable_python} = xyes -o x${enable_guile} = xyes; then
if test "$SWIG" != "false" ; then
SWIG="$SWIG -c++"
fi
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,[$PYTHON_CPPFLAGS])
])
AC_DEFUN([SWIG_TCL],[
AC_REQUIRE([SWIG_PROG])
AC_REQUIRE([TCL_DEVEL])
if test "$SWIG" != "false" ; then
AC_SUBST(SWIG_TCL_LIB,[-ltcl])
dnl test ! "x$1" = "xno" && swig_shadow=" -shadow" || swig_shadow=""
dnl AC_SUBST(SWIG_PYTHON_OPT,[-python$swig_shadow])
AC_SUBST(SWIG_TCL_OPT,[-tcl])
fi
AC_SUBST(SWIG_TCL_CPPFLAGS,[$TCL_CPPFLAGS])
])
AC_DEFUN([SWIG_GUILE],[
AC_REQUIRE([SWIG_PROG])
AC_REQUIRE([GUILE_DEVEL])
if test "$SWIG" != "false" ; then
AC_SUBST(SWIG_GUILE_LIB,[-lguile])
dnl test ! "x$1" = "xno" && swig_shadow=" -shadow" || swig_shadow=""
dnl AC_SUBST(SWIG_PYTHON_OPT,[-python$swig_shadow])
AC_SUBST(SWIG_GUILE_OPT,[-guile])
fi
AC_SUBST(SWIG_GUILE_CPPFLAGS,[$GUILE_CPPFLAGS])
])
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