I am on OSX 10.8.2 and just installed the new Xcode 4.5.2
I had the same problem with mercurial as encountered in
https://groups.google.com/forum/?fromgroups=#!searchin/sage-devel/10.8$20build$20cython/sage-devel/kfXamuej_Gs/kLUoIxrQnYMJ
and the suggested fix worked. Now it has failed to build cython-0.17pre.
Here is the output from that package:
====================================================
Extracting package /Applications/sage-5.5/spkg/standard/cython-0.17pre.spkg
-rw-r--r--@ 1 bhutz admin 551594 Jul 25 10:46
/Applications/sage-5.5/spkg/standard/cython-0.17pre.spkg
Finished extraction
****************************************************
Host system:
Darwin bhutz103-206.cst.fit.edu 12.2.0 Darwin Kernel Version 12.2.0: Sat
Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64 x86_64
****************************************************
C compiler: gcc
C compiler version:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/Applications/sage-5.5/local/libexec/gcc/x86_64-apple-darwin12.2.0/4.6.3/lto-wrapper
Target: x86_64-apple-darwin12.2.0
Configured with: ../src/configure --prefix=/Applications/sage-5.5/local
--with-local-prefix=/Applications/sage-5.5/local
--with-gmp=/Applications/sage-5.5/local
--with-mpfr=/Applications/sage-5.5/local
--with-mpc=/Applications/sage-5.5/local --with-system-zlib
--disable-multilib
Thread model: posix
gcc version 4.6.3 (GCC)
****************************************************
Compiling module Cython.Plex.Scanners ...
ERROR: No module named _scproxy
Extension module compilation failed, looks like Cython cannot run
properly on this system. To work around this, pass the option
"--no-cython-compile". This will install a pure Python version of
Cython without compiling its own sources.
Traceback (most recent call last):
File "setup.py", line 271, in <module>
compile_cython_modules(cython_profile, cython_compile_more,
cython_with_refnanny)
File "setup.py", line 215, in compile_cython_modules
result = compile(pyx_source_file)
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/Main.py",
line 589, in compile
return compile_single(source, options, full_module_name)
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/Main.py",
line 534, in compile_single
return run_pipeline(source, options, full_module_name)
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/Main.py",
line 389, in run_pipeline
import Pipeline
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/Pipeline.py",
line 7, in <module>
from Visitor import CythonTransform
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/Visitor.py",
line 8, in <module>
import ExprNodes
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/ExprNodes.py",
line 10110, in <module>
"CythonFunction", context=vars(Naming))
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/Code.py",
line 241, in load
return cls(**kwargs)
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/Code.py",
line 395, in __init__
proto = sub_tempita(proto, context, file, name)
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Compiler/Code.py",
line 390, in sub_tempita
from Cython.Tempita import sub
File
"/Applications/sage-5.5/spkg/build/cython-0.17pre/src/Cython/Tempita/__init__.py",
line 34, in <module>
import cgi
File "/Applications/sage-5.5/local/lib/python/cgi.py", line 40, in
<module>
import urllib
File "/Applications/sage-5.5/local/lib/python/urllib.py", line 1379, in
<module>
from _scproxy import _get_proxy_settings, _get_proxies
ImportError: No module named _scproxy
Error installing Cython
real 0m0.544s
user 0m0.260s
sys 0m0.048s
************************************************************************
Error installing package cython-0.17pre
************************************************************************
Please email sage-devel (http://groups.google.com/group/sage-devel)
explaining the problem and including the relevant part of the log file
/Applications/sage-5.5/spkg/logs/cython-0.17pre.log
Describe your computer, operating system, etc.
If you want to try to fix the problem yourself, *don't* just cd to
/Applications/sage-5.5/spkg/build/cython-0.17pre and type 'make' or
whatever is appropriate.
Instead, the following commands setup all environment variables
correctly and load a subshell for you to debug the error:
(cd '/Applications/sage-5.5/spkg/build/cython-0.17pre' &&
'/Applications/sage-5.5/sage' -sh)
When you are done debugging, you can type "exit" to leave the subshell.
************************************************************************
make[2]: *** [installed/cython-0.17pre] Error 1
make[1]: *** [all] Error 2
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