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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 | 7 | import os |
452480eb | 8 | import sysconfig |
1b8fb862 | 9 | |
6ec97181 MJ |
10 | if sys.version_info < (3, 12): |
11 | from distutils.core import setup, Extension | |
12 | else: | |
13 | from setuptools import setup, Extension | |
1b8fb862 MJ |
14 | |
15 | PY_PATH_WARN_MSG = """ | |
16 | -------------------------------------WARNING------------------------------------ | |
17 | The install directory used:\n ({})\nis not included in your PYTHONPATH. | |
18 | ||
19 | To add this directory to your Python search path permanently you can add the | |
20 | following command to your .bashrc/.zshrc: | |
21 | export PYTHONPATH="${{PYTHONPATH}}:{}" | |
22 | -------------------------------------------------------------------------------- | |
23 | """ | |
24 | ||
452480eb | 25 | original_get_config_vars = sysconfig.get_config_vars |
afdd1f82 JG |
26 | |
27 | ||
28 | def get_cflags(): | |
f5567ea8 | 29 | cflags = os.environ.get("CFLAGS") |
afdd1f82 JG |
30 | |
31 | if cflags is None: | |
f5567ea8 | 32 | [cflags] = original_get_config_vars("CFLAGS") |
afdd1f82 JG |
33 | |
34 | return cflags | |
35 | ||
36 | ||
37 | # distutils performs a similar transformation step on LDSHARED on | |
38 | # darwin to use the overriden CC as the default command for LDSHARED | |
39 | # (see distutils' customize_compiler() step in the sysconfig module). | |
40 | # | |
41 | # This takes it a step further by using our own LDFLAGS (when available) | |
42 | # along with the overriden compiler and ensure that flags that are unsupported | |
43 | # by either the Python interprter's CC or the overriden CC don't cause a | |
44 | # build failure. | |
45 | def get_ldshared(): | |
f5567ea8 FD |
46 | cc = os.environ.get("CC") |
47 | ldflags = os.environ.get("LDFLAGS") | |
48 | [py_cc] = original_get_config_vars("CC") | |
49 | [py_ldshared] = original_get_config_vars("LDSHARED") | |
afdd1f82 JG |
50 | |
51 | if not py_ldshared.startswith(py_cc): | |
52 | return py_ldshared | |
53 | ||
54 | if cc and ldflags: | |
f5567ea8 | 55 | return "{} -shared {}".format(cc, ldflags) |
afdd1f82 JG |
56 | elif cc: |
57 | return cc + py_ldshared[len(py_cc) :] | |
58 | elif ldflags: | |
59 | return py_cc + py_ldshared[len(py_cc) :] | |
60 | else: | |
61 | return py_ldshared | |
62 | ||
63 | ||
64 | def our_get_config_vars(*args): | |
65 | overridden_config_vars = { | |
f5567ea8 FD |
66 | "CFLAGS": get_cflags(), |
67 | "LDSHARED": get_ldshared(), | |
afdd1f82 JG |
68 | } |
69 | ||
70 | if len(args) == 0: | |
71 | all_config_vars = original_get_config_vars() | |
72 | for name in overridden_config_vars: | |
73 | all_config_vars[name] = overridden_config_vars[name] | |
74 | return all_config_vars | |
75 | ||
76 | subset_config_vars = [] | |
77 | for name in args: | |
78 | if name not in overridden_config_vars: | |
79 | [var] = original_get_config_vars(name) | |
80 | subset_config_vars.append(var) | |
81 | continue | |
82 | ||
83 | subset_config_vars.append(overridden_config_vars[name]) | |
84 | ||
85 | return subset_config_vars | |
86 | ||
87 | ||
452480eb | 88 | sysconfig.get_config_vars = our_get_config_vars |
afdd1f82 | 89 | |
cfbd7cf3 | 90 | |
1b8fb862 | 91 | def main(): |
cfbd7cf3 | 92 | babeltrace_ext = Extension( |
f5567ea8 FD |
93 | "bt2._native_bt", |
94 | sources=["bt2/native_bt.c", "@srcdir@/bt2/logging.c"], | |
95 | libraries=["babeltrace2", "glib-2.0"], | |
cfbd7cf3 | 96 | extra_objects=[ |
f5567ea8 FD |
97 | "@top_builddir@/src/autodisc/.libs/libbabeltrace2-autodisc.a", |
98 | "@top_builddir@/src/logging/.libs/libbabeltrace2-logging.a", | |
99 | "@top_builddir@/src/common/.libs/libbabeltrace2-common.a", | |
100 | "@top_builddir@/src/py-common/.libs/libbabeltrace2-py-common.a", | |
101 | "@top_builddir@/src/string-format/.libs/libbabeltrace2-string-format.a", | |
cfbd7cf3 FD |
102 | ], |
103 | ) | |
1b8fb862 | 104 | |
cfbd7cf3 | 105 | dist = setup( |
f5567ea8 FD |
106 | name="bt2", |
107 | version="@PACKAGE_VERSION@", | |
108 | description="Babeltrace 2 Python Bindings", | |
109 | packages=["bt2"], | |
110 | package_dir={"bt2": "bt2"}, | |
cfbd7cf3 | 111 | options={ |
f5567ea8 FD |
112 | "build": {"build_base": "build", "build_lib": "build/build_lib"}, |
113 | "build_ext": {"build_lib": "build/build_lib"}, | |
cfbd7cf3 | 114 | }, |
f5567ea8 | 115 | url="https://babeltrace.org/", |
cfbd7cf3 | 116 | ext_modules=[babeltrace_ext], |
f5567ea8 | 117 | license="MIT", |
cfbd7cf3 | 118 | classifiers=[ |
f5567ea8 FD |
119 | "Development Status :: 5 - Production/Stable", |
120 | "Intended Audience :: Developers", | |
121 | "License :: OSI Approved :: The MIT License", | |
122 | "Programming Language :: Python :: 3" "Topic :: System :: Logging", | |
cfbd7cf3 FD |
123 | ], |
124 | ) | |
1b8fb862 | 125 | |
cfbd7cf3 FD |
126 | # After the installation, we check that the install directory is included in |
127 | # the Python search path and we print a warning message when it's not. | |
128 | # We need to do this because Python search path differs depending on the distro | |
129 | # and some distros don't include any /usr/local/ in the search path. This is | |
130 | # also useful for out-of-tree installs and tests. | |
131 | # It's only relevant to make this check on the `install` command. | |
1b8fb862 | 132 | |
f5567ea8 FD |
133 | if "install" in dist.command_obj: |
134 | install_dir = dist.command_obj["install"].install_libbase | |
1b8fb862 MJ |
135 | if install_dir not in sys.path: |
136 | # We can't consider this an error because if affects every | |
137 | # distro differently. We only warn the user that some | |
138 | # extra configuration is needed to use the bindings | |
139 | print(PY_PATH_WARN_MSG.format(install_dir, install_dir)) | |
140 | ||
cfbd7cf3 | 141 | |
1b8fb862 MJ |
142 | if __name__ == "__main__": |
143 | main() |