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-rw-r--r--Lib/distutils/sysconfig.py6
-rw-r--r--Lib/distutils/tests/test_sysconfig.py15
-rw-r--r--Misc/NEWS.d/next/Library/2019-03-08-13-32-21.bpo-36235._M72wU.rst4
3 files changed, 18 insertions, 7 deletions
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
index 40af493..a349467 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -181,8 +181,8 @@ def customize_compiler(compiler):
_osx_support.customize_compiler(_config_vars)
_config_vars['CUSTOMIZED_OSX_COMPILER'] = 'True'
- (cc, cxx, opt, cflags, ccshared, ldshared, shlib_suffix, ar, ar_flags) = \
- get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS',
+ (cc, cxx, cflags, ccshared, ldshared, shlib_suffix, ar, ar_flags) = \
+ get_config_vars('CC', 'CXX', 'CFLAGS',
'CCSHARED', 'LDSHARED', 'SHLIB_SUFFIX', 'AR', 'ARFLAGS')
if 'CC' in os.environ:
@@ -205,7 +205,7 @@ def customize_compiler(compiler):
if 'LDFLAGS' in os.environ:
ldshared = ldshared + ' ' + os.environ['LDFLAGS']
if 'CFLAGS' in os.environ:
- cflags = opt + ' ' + os.environ['CFLAGS']
+ cflags = cflags + ' ' + os.environ['CFLAGS']
ldshared = ldshared + ' ' + os.environ['CFLAGS']
if 'CPPFLAGS' in os.environ:
cpp = cpp + ' ' + os.environ['CPPFLAGS']
diff --git a/Lib/distutils/tests/test_sysconfig.py b/Lib/distutils/tests/test_sysconfig.py
index fe4a299..4bf6a06 100644
--- a/Lib/distutils/tests/test_sysconfig.py
+++ b/Lib/distutils/tests/test_sysconfig.py
@@ -9,7 +9,7 @@ import unittest
from distutils import sysconfig
from distutils.ccompiler import get_default_compiler
from distutils.tests import support
-from test.support import TESTFN, run_unittest, check_warnings
+from test.support import TESTFN, run_unittest, check_warnings, swap_item
class SysconfigTestCase(support.EnvironGuard, unittest.TestCase):
def setUp(self):
@@ -78,7 +78,9 @@ class SysconfigTestCase(support.EnvironGuard, unittest.TestCase):
'not testing if default compiler is not unix')
def test_customize_compiler(self):
os.environ['AR'] = 'my_ar'
- os.environ['ARFLAGS'] = '-arflags'
+ os.environ['CC'] = 'my_cc'
+ os.environ['ARFLAGS'] = '--myarflags'
+ os.environ['CFLAGS'] = '--mycflags'
# make sure AR gets caught
class compiler:
@@ -87,9 +89,14 @@ class SysconfigTestCase(support.EnvironGuard, unittest.TestCase):
def set_executables(self, **kw):
self.exes = kw
+ # Make sure that sysconfig._config_vars is initialized
+ sysconfig.get_config_vars()
+
comp = compiler()
- sysconfig.customize_compiler(comp)
- self.assertEqual(comp.exes['archiver'], 'my_ar -arflags')
+ with swap_item(sysconfig._config_vars, 'CFLAGS', '--sysconfig-cflags'):
+ sysconfig.customize_compiler(comp)
+ self.assertEqual(comp.exes['archiver'], 'my_ar --myarflags')
+ self.assertEqual(comp.exes['compiler'], 'my_cc --sysconfig-cflags --mycflags')
def test_parse_makefile_base(self):
self.makefile = TESTFN
diff --git a/Misc/NEWS.d/next/Library/2019-03-08-13-32-21.bpo-36235._M72wU.rst b/Misc/NEWS.d/next/Library/2019-03-08-13-32-21.bpo-36235._M72wU.rst
new file mode 100644
index 0000000..59df98c
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2019-03-08-13-32-21.bpo-36235._M72wU.rst
@@ -0,0 +1,4 @@
+Fix ``CFLAGS`` in ``customize_compiler()`` of ``distutils.sysconfig``: when
+the ``CFLAGS`` environment variable is defined, don't override ``CFLAGS``
+variable with the ``OPT`` variable anymore. Initial patch written by David
+Malcolm.