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dnl
dnl Copyright 2003,2004,2005 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
# PYTHON_DEVEL()
#
# Checks for Python and tries to get the include path to 'Python.h'.
# It sets the $(PYTHON_CPPFLAGS), $(PYTHON_LDFLAGS) and $(pythondir) output variables,
#
AC_DEFUN([PYTHON_DEVEL],[
AC_REQUIRE([AM_PATH_PYTHON])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_ARG_WITH(pythondir,
AC_HELP_STRING([--with-pythondir=DIR],
[python installation directory (cross-compiling) [[default=$prefix/lib/python2.5/site-packages]]]),
[with_pythondir=${withval}],[with_pythondir=${prefix}/lib/python2.5/site-packages])
# if we're cross-compiling, asking the host python about any of
# this is completely useless...
if test x$cross_compiling != xno
then
pythondir=$with_pythondir
pyexecdir=$with_pythondir
AC_SUBST(PYTHON_CPPFLAGS)
AC_SUBST(PYTHON_LDFLAGS)
else
# For Fedora Core 5 and 6, see ticket:39 in Trac
if test -f '/etc/redhat-release'; then
if (echo $pyexecdir | grep -q lib64); then
pythondir="$pyexecdir"
fi
fi
# Check for Python include path
AC_MSG_CHECKING([for Python include path])
if test -z "$PYTHON" ; then
AC_MSG_ERROR([cannot find Python path])
fi
# ask distutils which include path we should use
python_cmd='
import distutils.sysconfig
import os
path = distutils.sysconfig.get_python_inc(plat_specific=False)
if os.sep == "\\":
path = path.replace("\\", "/")
print path
'
python_path=`$PYTHON -c "$python_cmd"`
AC_MSG_RESULT([$python_path])
if test -z "$python_path" ; then
AC_MSG_ERROR([cannot find Python include path])
fi
AC_SUBST(PYTHON_CPPFLAGS,[-I$python_path])
# Check for Python headers usability
python_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
AC_CHECK_HEADERS([Python.h], [],
[AC_MSG_ERROR([cannot find usable Python headers])])
CPPFLAGS="$python_save_CPPFLAGS"
# Only set this on mingw and cygwin hosts, (only implemented
# for mingw host, for crosscompiling you need to trick this)
PYTHON_LDFLAGS=""
case $host_os in
*mingw* | *cygwin* )
AC_MSG_CHECKING([for Python LDFLAGS])
python_cmd='
import distutils.sysconfig
import os
path = distutils.sysconfig.get_config_var("LIBPL")
if path == None:
path = distutils.sysconfig.PREFIX + "/libs"
if os.sep == "\\":
path = path.replace("\\", "/")
print path
'
python_stdlib_path=`$PYTHON -c "$python_cmd"`
python_version_nodot=`echo $PYTHON_VERSION | sed "s,\.,,"`
libpython_name="python$PYTHON_VERSION"
# Standard install of python for win32 has libpython24.a
# instead of libpython2.4.a so we check for the library
# without the dot in the version number.
python_stdlib_filename=`find $python_stdlib_path -type f -name libpython$python_version_nodot.* -print | sed "1q"`
if test -n "$python_stdlib_filename" ; then
libpython_name="python$python_version_nodot"
fi
PYTHON_LDFLAGS="-L$python_stdlib_path -l$libpython_name"
AC_MSG_RESULT($PYTHON_LDFLAGS)
# Replace all backslashes in PYTHON Paths with forward slashes
pythondir=`echo $pythondir |sed 's,\\\\,/,g'`
pkgpythondir=`echo $pkgpythondir |sed 's,\\\\,/,g'`
pyexecdir=`echo $pyexecdir |sed 's,\\\\,/,g'`
pkgpyexecdir=`echo $pkgpyexecdir |sed 's,\\\\,/,g'`
;;
esac
AC_SUBST(PYTHON_LDFLAGS)
fi
])
# PYTHON_CHECK_MODULE
#
# Determines if a particular Python module can be imported
#
# $1 - module name
# $2 - module description
# $3 - action if found
# $4 - action if not found
AC_DEFUN([PYTHON_CHECK_MODULE],[
AC_MSG_CHECKING([for $2])
python_cmd='import sys
try:
import $1
except:
sys.exit(1)'
if ! $PYTHON -c "$python_cmd" ; then
AC_MSG_RESULT([no])
$4
else
AC_MSG_RESULT([yes])
$3
fi
])
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