summaryrefslogtreecommitdiff
path: root/config/gr_python.m4
blob: b2acbbb0e1be6b87ec951cac560c2c4423fc2212 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
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 2, 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 provides the $(PYTHON_CPPFLAGS) and $(PYTHON_LDFLAGS) output variables.
#
AC_DEFUN([PYTHON_DEVEL],[
	AC_REQUIRE([AM_PATH_PYTHON])
	AC_REQUIRE([AC_CANONICAL_HOST])

	# 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
          AC_MSG_CHECKING([for pythondir])
          pythondir=`echo $pythondir |sed 's,\\\\,/,g'`
          AC_MSG_RESULT($pythondir)
          AC_SUBST([pythondir])
          AC_MSG_CHECKING([for pkgpythondir])
          pkgpythondir=`echo $pkgpythondir |sed 's,\\\\,/,g'`
          AC_MSG_RESULT($pkgpythondir)
          AC_SUBST([pkgpythondir])
          AC_MSG_CHECKING([for pyexecdir])
          pyexecdir=`echo $pyexecdir |sed 's,\\\\,/,g'`
          AC_MSG_RESULT($pyexecdir)
          AC_SUBST([pyexecdir])
          AC_MSG_CHECKING([for pkgpyexecdir])
          pkgpyexecdir=`echo $pkgpyexecdir |sed 's,\\\\,/,g'`
          AC_MSG_RESULT($pkgpyexecdir)
          AC_SUBST([pkgpyexecdir])
	  ;;
        esac

	AC_SUBST([PYTHON_LDFLAGS])
])