[issue26787] test_distutils fails when configured --with-lto

[Gregory P. Smith]

New submission from Gregory P. Smith:

When configured using './configure --with-lto' (added in issue25702) and doing a 'make profile-opt' build, test_distutils fails:

======================================================================
FAIL: test_sysconfig_compiler_vars (distutils.tests.test_sysconfig.SysconfigTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/greg/sandbox/python/cpython/3.5/Lib/distutils/tests/test_sysconfig.py", line 156, in test_sysconfig_compiler_vars
    sysconfig.get_config_var('LDSHARED'))
AssertionError: 'gcc -pthread -shared -flto -fuse-linker-plugin -ffat-lto-obje[20 chars]none' != 'gcc -pthread -shared'
- gcc -pthread -shared -flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none
+ gcc -pthread -shared


======================================================================
FAIL: test_sysconfig_module (distutils.tests.test_sysconfig.SysconfigTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/greg/sandbox/python/cpython/3.5/Lib/distutils/tests/test_sysconfig.py", line 133, in test_sysconfig_module
    sysconfig.get_config_var('LDFLAGS'))
AssertionError: '-flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none' != ''
- -flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none
+

----------
components: Build
messages: 263598
nosy: alecsandru.patrascu, gregory.p.smith
priority: normal
severity: normal
status: open
title: test_distutils fails when configured --with-lto
versions: Python 3.5, Python 3.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26787>
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