New submission from Robin Dunn <ro...@alldunn.com>:
In Python 2.7b1, building on OSX 10.6 with this configure command:
export CC=gcc-4.0
export CXX=g++-4.0
export MACOSX_DEPLOYMENT_TARGET=10.4
../configure \
--with-universal-archs=32-bit \
--enable-universalsdk=/Developer/SDKs/MacOSX10.4u.sdk \
--enable-framework
Results in these lines in Makefile:
BASECFLAGS= -arch ppc -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk
-fno-common -dynamic
CFLAGS= $(BASECFLAGS) -arch ppc -arch i386 -isysroot
/Developer/SDKs/MacOSX10.4u.sdk $(OPT) $(EXTRA_CFLAGS)
Then later on in the build the sysconfig module uses the -arch flags in CFLAGS
but is not able to find a match because of the extra set of values, and the
build fails with this exception:
Traceback (most recent call last):
File "./../Lib/site.py", line 542, in <module>
main()
File "./../Lib/site.py", line 521, in main
addbuilddir()
File "./../Lib/site.py", line 118, in addbuilddir
s = "build/lib.%s-%.3s" % (get_platform(), sys.version)
File "/projects/Python-2.7b1/Lib/sysconfig.py", line 646, in get_platform
"Don't know machine value for archs=%r"%(archs,))
ValueError: Don't know machine value for archs=('i386', 'i386', 'ppc', 'ppc')
make: *** [sharedmods] Error 1
----------
components: Build
messages: 104905
nosy: robind
priority: normal
severity: normal
status: open
title: OSX: duplicate -arch flags in CFLAGS breaks sysconfig
type: compile error
versions: Python 2.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue8607>
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