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-rw-r--r--Lib/distutils/sysconfig.py23
-rw-r--r--Lib/distutils/tests/test_sysconfig.py9
2 files changed, 32 insertions, 0 deletions
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
index 0fbd541..48f3fe4 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -300,6 +300,12 @@ def parse_makefile(fn, g=None):
else:
done[n] = v
+ # Variables with a 'PY_' prefix in the makefile. These need to
+ # be made available without that prefix through sysconfig.
+ # Special care is needed to ensure that variable expansion works, even
+ # if the expansion uses the name without a prefix.
+ renamed_variables = ('CFLAGS', 'LDFLAGS', 'CPPFLAGS')
+
# do variable interpolation here
while notdone:
for name in list(notdone):
@@ -316,6 +322,16 @@ def parse_makefile(fn, g=None):
elif n in os.environ:
# do it like make: fall back to environment
item = os.environ[n]
+
+ elif n in renamed_variables:
+ if name.startswith('PY_') and name[3:] in renamed_variables:
+ item = ""
+
+ elif 'PY_' + n in notdone:
+ found = False
+
+ else:
+ item = str(done['PY_' + n])
else:
done[n] = item = ""
if found:
@@ -330,6 +346,13 @@ def parse_makefile(fn, g=None):
else:
done[name] = value
del notdone[name]
+
+ if name.startswith('PY_') \
+ and name[3:] in renamed_variables:
+
+ name = name[3:]
+ if name not in done:
+ done[name] = value
else:
# bogus variable reference; just drop it since we can't deal
del notdone[name]
diff --git a/Lib/distutils/tests/test_sysconfig.py b/Lib/distutils/tests/test_sysconfig.py
index edc755e..0167e0f 100644
--- a/Lib/distutils/tests/test_sysconfig.py
+++ b/Lib/distutils/tests/test_sysconfig.py
@@ -93,6 +93,15 @@ class SysconfigTestCase(support.EnvironGuard,
'OTHER': 'foo'})
+ def test_sysconfig_module(self):
+ import sysconfig as global_sysconfig
+ self.assertEquals(global_sysconfig.get_config_var('CFLAGS'), sysconfig.get_config_var('CFLAGS'))
+ self.assertEquals(global_sysconfig.get_config_var('LDFLAGS'), sysconfig.get_config_var('LDFLAGS'))
+ self.assertEquals(global_sysconfig.get_config_var('LDSHARED'),sysconfig.get_config_var('LDSHARED'))
+ self.assertEquals(global_sysconfig.get_config_var('CC'), sysconfig.get_config_var('CC'))
+
+
+
def test_suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(SysconfigTestCase))