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0235b0db | 1 | # SPDX-License-Identifier: MIT |
1b8fb862 | 2 | # |
0235b0db MJ |
3 | # Copyright (C) 2017 Francis Deslauriers <francis.deslauriers@efficios.com> |
4 | # Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
1b8fb862 MJ |
5 | |
6 | import sys | |
afdd1f82 JG |
7 | import os |
8 | import distutils.sysconfig | |
1b8fb862 MJ |
9 | |
10 | from distutils.core import setup, Extension | |
11 | ||
12 | PY_PATH_WARN_MSG = """ | |
13 | -------------------------------------WARNING------------------------------------ | |
14 | The install directory used:\n ({})\nis not included in your PYTHONPATH. | |
15 | ||
16 | To add this directory to your Python search path permanently you can add the | |
17 | following command to your .bashrc/.zshrc: | |
18 | export PYTHONPATH="${{PYTHONPATH}}:{}" | |
19 | -------------------------------------------------------------------------------- | |
20 | """ | |
21 | ||
afdd1f82 JG |
22 | original_get_config_vars = distutils.sysconfig.get_config_vars |
23 | ||
24 | ||
25 | def get_cflags(): | |
26 | cflags = os.environ.get('CFLAGS') | |
27 | ||
28 | if cflags is None: | |
29 | [cflags] = original_get_config_vars('CFLAGS') | |
30 | ||
31 | return cflags | |
32 | ||
33 | ||
34 | # distutils performs a similar transformation step on LDSHARED on | |
35 | # darwin to use the overriden CC as the default command for LDSHARED | |
36 | # (see distutils' customize_compiler() step in the sysconfig module). | |
37 | # | |
38 | # This takes it a step further by using our own LDFLAGS (when available) | |
39 | # along with the overriden compiler and ensure that flags that are unsupported | |
40 | # by either the Python interprter's CC or the overriden CC don't cause a | |
41 | # build failure. | |
42 | def get_ldshared(): | |
43 | cc = os.environ.get('CC') | |
44 | ldflags = os.environ.get('LDFLAGS') | |
45 | [py_cc] = original_get_config_vars('CC') | |
46 | [py_ldshared] = original_get_config_vars('LDSHARED') | |
47 | ||
48 | if not py_ldshared.startswith(py_cc): | |
49 | return py_ldshared | |
50 | ||
51 | if cc and ldflags: | |
52 | return '{} -shared {}'.format(cc, ldflags) | |
53 | elif cc: | |
54 | return cc + py_ldshared[len(py_cc) :] | |
55 | elif ldflags: | |
56 | return py_cc + py_ldshared[len(py_cc) :] | |
57 | else: | |
58 | return py_ldshared | |
59 | ||
60 | ||
61 | def our_get_config_vars(*args): | |
62 | overridden_config_vars = { | |
63 | 'CFLAGS': get_cflags(), | |
64 | 'LDSHARED': get_ldshared(), | |
65 | } | |
66 | ||
67 | if len(args) == 0: | |
68 | all_config_vars = original_get_config_vars() | |
69 | for name in overridden_config_vars: | |
70 | all_config_vars[name] = overridden_config_vars[name] | |
71 | return all_config_vars | |
72 | ||
73 | subset_config_vars = [] | |
74 | for name in args: | |
75 | if name not in overridden_config_vars: | |
76 | [var] = original_get_config_vars(name) | |
77 | subset_config_vars.append(var) | |
78 | continue | |
79 | ||
80 | subset_config_vars.append(overridden_config_vars[name]) | |
81 | ||
82 | return subset_config_vars | |
83 | ||
84 | ||
85 | distutils.sysconfig.get_config_vars = our_get_config_vars | |
86 | ||
cfbd7cf3 | 87 | |
1b8fb862 | 88 | def main(): |
cfbd7cf3 FD |
89 | babeltrace_ext = Extension( |
90 | 'bt2._native_bt', | |
91 | sources=['bt2/native_bt.c', '@srcdir@/bt2/logging.c'], | |
92 | libraries=['babeltrace2', 'glib-2.0'], | |
93 | extra_objects=[ | |
f3c9a159 | 94 | '@top_builddir@/src/autodisc/.libs/libbabeltrace2-autodisc.a', |
cfbd7cf3 FD |
95 | '@top_builddir@/src/logging/.libs/libbabeltrace2-logging.a', |
96 | '@top_builddir@/src/common/.libs/libbabeltrace2-common.a', | |
97 | '@top_builddir@/src/py-common/.libs/libbabeltrace2-py-common.a', | |
5038e256 | 98 | '@top_builddir@/src/string-format/.libs/libbabeltrace2-string-format.a', |
cfbd7cf3 FD |
99 | ], |
100 | ) | |
1b8fb862 | 101 | |
cfbd7cf3 FD |
102 | dist = setup( |
103 | name='bt2', | |
104 | version='@PACKAGE_VERSION@', | |
105 | description='Babeltrace 2 Python Bindings', | |
106 | packages=['bt2'], | |
107 | package_dir={'bt2': 'bt2'}, | |
108 | options={ | |
109 | 'build': {'build_base': 'build', 'build_lib': 'build/build_lib'}, | |
110 | 'build_ext': {'build_lib': 'build/build_lib'}, | |
111 | }, | |
fe0b4563 | 112 | url='https://babeltrace.org/', |
cfbd7cf3 FD |
113 | ext_modules=[babeltrace_ext], |
114 | license='MIT', | |
115 | classifiers=[ | |
116 | 'Development Status :: 5 - Production/Stable', | |
117 | 'Intended Audience :: Developers', | |
118 | 'License :: OSI Approved :: The MIT License', | |
119 | 'Programming Language :: Python :: 3' 'Topic :: System :: Logging', | |
120 | ], | |
121 | ) | |
1b8fb862 | 122 | |
cfbd7cf3 FD |
123 | # After the installation, we check that the install directory is included in |
124 | # the Python search path and we print a warning message when it's not. | |
125 | # We need to do this because Python search path differs depending on the distro | |
126 | # and some distros don't include any /usr/local/ in the search path. This is | |
127 | # also useful for out-of-tree installs and tests. | |
128 | # It's only relevant to make this check on the `install` command. | |
1b8fb862 MJ |
129 | |
130 | if 'install' in dist.command_obj: | |
131 | install_dir = dist.command_obj['install'].install_libbase | |
132 | if install_dir not in sys.path: | |
133 | # We can't consider this an error because if affects every | |
134 | # distro differently. We only warn the user that some | |
135 | # extra configuration is needed to use the bindings | |
136 | print(PY_PATH_WARN_MSG.format(install_dir, install_dir)) | |
137 | ||
cfbd7cf3 | 138 | |
1b8fb862 MJ |
139 | if __name__ == "__main__": |
140 | main() |