File: python-devel.m4

package info (click to toggle)
libiptcdata 1.0.2+libtool01-2
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 2,916 kB
  • ctags: 978
  • sloc: sh: 9,445; ansic: 4,092; xml: 2,798; makefile: 123; python: 62; sed: 16
file content (196 lines) | stat: -rw-r--r-- 7,396 bytes parent folder | download | duplicates (5)
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196


AC_DEFUN([AC_PYTHON_DEVEL],[
        #
        # Allow the use of a (user set) custom python version
        #
        AC_ARG_VAR([PYTHON_VERSION],[The installed Python
                version to use, for example '2.3'. This string
                will be appended to the Python interpreter
                canonical name.])

        AC_PATH_PROG([PYTHON],[python[$PYTHON_VERSION]])
        if test -z "$PYTHON"; then
           AC_MSG_ERROR([Cannot find python$PYTHON_VERSION in your system path])
           PYTHON_VERSION=""
        fi

        #
        # Check for a version of Python >= 2.1.0
        #
        AC_MSG_CHECKING([for a version of Python >= '2.1.0'])
        ac_supports_python_ver=`$PYTHON -c "import sys, string; \
                ver = string.split(sys.version)[[0]]; \
                print ver >= '2.1.0'"`
        if test "$ac_supports_python_ver" != "True"; then
                if test -z "$PYTHON_NOVERSIONCHECK"; then
                        AC_MSG_RESULT([no])
                        AC_MSG_FAILURE([
This version of the AC@&t@_PYTHON_DEVEL macro
doesn't work properly with versions of Python before
2.1.0. You may need to re-run configure, setting the
variables PYTHON_CPPFLAGS, PYTHON_LDFLAGS, PYTHON_SITE_PKG,
PYTHON_EXTRA_LIBS and PYTHON_EXTRA_LDFLAGS by hand.
Moreover, to disable this check, set PYTHON_NOVERSIONCHECK
to something else than an empty string.
])
                else
                        AC_MSG_RESULT([skip at user request])
                fi
        else
                AC_MSG_RESULT([yes])
        fi

        #
        # if the macro parameter ``version'' is set, honour it
        #
        if test -n "$1"; then
                AC_MSG_CHECKING([for a version of Python $1])
                ac_supports_python_ver=`$PYTHON -c "import sys, string; \
                        ver = string.split(sys.version)[[0]]; \
                        print ver $1"`
                if test "$ac_supports_python_ver" = "True"; then
                   AC_MSG_RESULT([yes])
                else
                        AC_MSG_RESULT([no])
                        AC_MSG_ERROR([this package requires Python $1.
If you have it installed, but it isn't the default Python
interpreter in your system path, please pass the PYTHON_VERSION
variable to configure. See ``configure --help'' for reference.
])
                        PYTHON_VERSION=""
                fi
        fi

        #
        # Check if you have distutils, else fail
        #
        AC_MSG_CHECKING([for the distutils Python package])
        ac_distutils_result=`$PYTHON -c "import distutils" 2>&1`
        if test -z "$ac_distutils_result"; then
                AC_MSG_RESULT([yes])
        else
                AC_MSG_RESULT([no])
                AC_MSG_ERROR([cannot import Python module "distutils".
Please check your Python installation. The error was:
$ac_distutils_result])
                PYTHON_VERSION=""
        fi

        #
        # Check for Python include path
        #
        AC_MSG_CHECKING([for Python include path])
        if test -z "$PYTHON_CPPFLAGS"; then
                python_path=`$PYTHON -c "import distutils.sysconfig; \
                        print distutils.sysconfig.get_python_inc();"`
                if test -n "${python_path}"; then
                        python_path="-I$python_path"
                fi
                PYTHON_CPPFLAGS=$python_path
        fi
        AC_MSG_RESULT([$PYTHON_CPPFLAGS])
        AC_SUBST([PYTHON_CPPFLAGS])

        #
        # Check for Python library path
        #
        AC_MSG_CHECKING([for Python library path])
        if test -z "$PYTHON_LDFLAGS"; then
                # (makes two attempts to ensure we've got a version number
                # from the interpreter)
                py_version=`$PYTHON -c "from distutils.sysconfig import *; \
                        from string import join; \
                        print join(get_config_vars('VERSION'))"`
                if test "$py_version" == "[None]"; then
                        if test -n "$PYTHON_VERSION"; then
                                py_version=$PYTHON_VERSION
                        else
                                py_version=`$PYTHON -c "import sys; \
                                        print sys.version[[:3]]"`
                        fi
                fi

                PYTHON_LDFLAGS=`$PYTHON -c "from distutils.sysconfig import *; \
                        from string import join; \
                        print '-L' + get_python_lib(0,1), \
                        '-lpython';"`$py_version
        fi
        AC_MSG_RESULT([$PYTHON_LDFLAGS])
        AC_SUBST([PYTHON_LDFLAGS])

        #
        # Check for site packages
        #
        AC_MSG_CHECKING([for Python site-packages path])
        if test -z "$PYTHON_SITE_PKG"; then
                PYTHON_SITE_PKG=`$PYTHON -c "import distutils.sysconfig; \
                        print distutils.sysconfig.get_python_lib(0,0);"`
        fi
        AC_MSG_RESULT([$PYTHON_SITE_PKG])
        AC_SUBST([PYTHON_SITE_PKG])

        #
        # libraries which must be linked in when embedding
        #
        AC_MSG_CHECKING(python extra libraries)
        if test -z "$PYTHON_EXTRA_LIBS"; then
           PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
                conf = distutils.sysconfig.get_config_var; \
                print conf('LOCALMODLIBS'), conf('LIBS')"`
        fi
        AC_MSG_RESULT([$PYTHON_EXTRA_LIBS])
        AC_SUBST(PYTHON_EXTRA_LIBS)

        #
        # linking flags needed when embedding
        #
        AC_MSG_CHECKING(python extra linking flags)
        if test -z "$PYTHON_EXTRA_LDFLAGS"; then
                PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "import distutils.sysconfig; \
                        conf = distutils.sysconfig.get_config_var; \
                        print conf('LINKFORSHARED')"`
        fi
        AC_MSG_RESULT([$PYTHON_EXTRA_LDFLAGS])
        AC_SUBST(PYTHON_EXTRA_LDFLAGS)

        #
        # final check to see if everything compiles alright
        #
        AC_MSG_CHECKING([consistency of all components of python development environment])
        AC_LANG_PUSH([C])
        # save current global flags
        LIBS="$ac_save_LIBS $PYTHON_LDFLAGS"
        CPPFLAGS="$ac_save_CPPFLAGS $PYTHON_CPPFLAGS"
        AC_TRY_LINK([
                #include <Python.h>
        ],[
                Py_Initialize();
        ],[pythonexists=yes],[pythonexists=no])

        AC_MSG_RESULT([$pythonexists])

        if test ! "$pythonexists" = "yes"; then
           AC_MSG_ERROR([
  Could not link test program to Python. Maybe the main Python library has been
  installed in some non-standard library path. If so, pass it to configure,
  via the LDFLAGS environment variable.
  Example: ./configure LDFLAGS="-L/usr/non-standard-path/python/lib"
  ============================================================================
   ERROR!
   You probably have to install the development version of the Python package
   for your distribution.  The exact name of this package varies among them.
  ============================================================================
           ])
          PYTHON_VERSION=""
        fi
        AC_LANG_POP
        # turn back to default flags
        CPPFLAGS="$ac_save_CPPFLAGS"
        LIBS="$ac_save_LIBS"

        #
        # all done!
        #
])