tests/utils/env.sh.in: make it portable for Bash and Zsh

[babeltrace.git] / src / bindings / python / bt2 / setup.py.in

diff --git a/src/bindings/python/bt2/setup.py.in b/src/bindings/python/bt2/setup.py.in
index d6f7c90281e26e2f106f3376f4b70acae6cf4f18..e256e42ed75a6f8cd6ba849b991925180339e592 100644 (file)
--- a/src/bindings/python/bt2/setup.py.in
+++ b/src/bindings/python/bt2/setup.py.in
@@ -5,9 +5,37 @@
 
 import sys
 import os
-import sysconfig
 
-from distutils.core import setup, Extension
+# Distutils was removed in Python 3.12, use setuptools as an alternative.
+if sys.version_info >= (3, 12):
+    from setuptools import setup, Extension
+else:
+    from distutils.core import setup, Extension
+
+# Starting with Debian's Python 3.10, the default install scheme is
+# 'posix_local' which is a Debian specific scheme based on 'posix_prefix' but
+# with an added 'local' prefix. This is the default so users doing system wide
+# manual installations of python modules end up in '/usr/local'. This
+# interferes with our autotools based install which already defaults to
+# '/usr/local' and expect a provided prefix to be used verbatim.
+#
+# Monkeypatch sysconfig to override this scheme and use 'posix_prefix' instead.
+if sys.version_info >= (3, 10):
+    import sysconfig
+
+    original_get_preferred_scheme = sysconfig.get_preferred_scheme
+
+    def our_get_preferred_scheme(key):
+        scheme = original_get_preferred_scheme(key)
+        if scheme == "posix_local":
+            return "posix_prefix"
+        else:
+            return scheme
+
+    sysconfig.get_preferred_scheme = our_get_preferred_scheme
+
+else:
+    import distutils.sysconfig as sysconfig
 
 PY_PATH_WARN_MSG = """
 -------------------------------------WARNING------------------------------------
@@ -32,12 +60,12 @@ def get_cflags():
 
 
 # distutils performs a similar transformation step on LDSHARED on
-# darwin to use the overriden CC as the default command for LDSHARED
+# darwin to use the overridden CC as the default command for LDSHARED
 # (see distutils' customize_compiler() step in the sysconfig module).
 #
 # This takes it a step further by using our own LDFLAGS (when available)
-# along with the overriden compiler and ensure that flags that are unsupported
-# by either the Python interprter's CC or the overriden CC don't cause a
+# along with the overridden compiler and ensure that flags that are unsupported
+# by either the Python interprter's CC or the overridden CC don't cause a
 # build failure.
 def get_ldshared():
     cc = os.environ.get("CC")
@@ -65,21 +93,22 @@ def our_get_config_vars(*args):
     }
 
     if len(args) == 0:
+        # Return a dict with all config vars.
         all_config_vars = original_get_config_vars()
         for name in overridden_config_vars:
             all_config_vars[name] = overridden_config_vars[name]
-        return all_config_vars
-
-    subset_config_vars = []
-    for name in args:
-        if name not in overridden_config_vars:
-            [var] = original_get_config_vars(name)
-            subset_config_vars.append(var)
-            continue
 
-        subset_config_vars.append(overridden_config_vars[name])
+        return all_config_vars
+    else:
+        # Return a list with the requested config vars.
+        subset_config_vars = []
+        for name in args:
+            if name in overridden_config_vars:
+                subset_config_vars.append(overridden_config_vars[name])
+            else:
+                subset_config_vars.append(original_get_config_vars(name)[0])
 
-    return subset_config_vars
+        return subset_config_vars
 
 
 sysconfig.get_config_vars = our_get_config_vars
@@ -91,11 +120,11 @@ def main():
         sources=["bt2/native_bt.c", "@srcdir@/bt2/logging.c"],
         libraries=["babeltrace2", "glib-2.0"],
         extra_objects=[
-            "@top_builddir@/src/autodisc/.libs/libbabeltrace2-autodisc.a",
-            "@top_builddir@/src/logging/.libs/libbabeltrace2-logging.a",
-            "@top_builddir@/src/common/.libs/libbabeltrace2-common.a",
-            "@top_builddir@/src/py-common/.libs/libbabeltrace2-py-common.a",
-            "@top_builddir@/src/string-format/.libs/libbabeltrace2-string-format.a",
+            "@top_builddir@/src/autodisc/.libs/libautodisc.a",
+            "@top_builddir@/src/logging/.libs/liblogging.a",
+            "@top_builddir@/src/common/.libs/libcommon.a",
+            "@top_builddir@/src/py-common/.libs/libpy-common.a",
+            "@top_builddir@/src/string-format/.libs/libstring-format.a",
         ],
     )