[egenix-users] Error compiling egenix-mx-base (again)

[M.-A. Lemburg]

M.-A. Lemburg wrote:
> eonardo Santagada wrote:
>> On Fri, Aug 10, 2012 at 6:51 PM, M.-A. Lemburg <mal at egenix.com> wrote:
>>> Leonardo Santagada wrote:
>>>> didn't work http://pastebin.com/59uiaH3s
>>>
>>> Are you sure you have Xcode installed on that machine ?
>>>
>>> """
>>> Compiling with an SDK that doesn't seem to exist: /Developer/SDKs/MacOSX10.6.sdk
>>> Please check your Xcode installation
>>> """
>>>
>>
>> pretty much, it is how I compile everything from homebrew. the
>> /Developer dir doesn't exist anymore on the newer xcode. Strangely I
>> can compile other python extensions on this python, and also I did
>> install a homebrew python and even egenix was pip installed.
> 
> I've had a closer look at the transcript you sent
> (http://pastebin.com/59uiaH3s).
> 
> The problem is that setup.py first detects that you have a working
> libm in the system:
> 
> clang -fno-strict-aliasing -fno-common -dynamic -DNDEBUG -g -O3 -DHAVE_STRPTIME=1 -DMAL_DEBUG
> -UHAVE_CLOCK_GETTIME -UHAVE_CLOCK_GETRES
> -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -I/usr/local/include
> -I/Library/Frameworks/Python.framework/Versions/2.7/include -c _configtest.c -o _configtest.o
> clang _configtest.o -L/usr/local/lib -L/Library/Frameworks/Python.framework/Versions/2.7/lib -lm -o
> _configtest
> success!
> removing: _configtest.c _configtest.o _configtest
> found optional library 'm' -- defining HAVE_M_LIB
> 
> but the linker then fails when trying to link the mxDateTime shared
> lib using a dual-architecture link step:
> 
> clang -fno-strict-aliasing -fno-common -dynamic -DNDEBUG -g -O3 -DUSE_FAST_GETCURRENTTIME
> -DHAVE_M_LIB=1 -DHAVE_STRPTIME=1 -DMAL_DEBUG -UHAVE_CLOCK_GETTIME -UHAVE_CLOCK_GETRES
> -Imx/DateTime/mxDateTime -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7
> -I/usr/local/include -I/Library/Frameworks/Python.framework/Versions/2.7/include -c
> mx/DateTime/mxDateTime/mxDateTime.c -o
> build/temp.macosx-10.6-intel-2.7_ucs2/mx-DateTime-mxDateTime-mxDateTime/mx/DateTime/mxDateTime/mxDateTime.o
> clang -bundle -undefined dynamic_lookup -arch i386 -arch x86_64 -isysroot
> /Developer/SDKs/MacOSX10.6.sdk -isysroot /Developer/SDKs/MacOSX10.6.sdk -g -arch i386 -arch x86_64
> -g
> build/temp.macosx-10.6-intel-2.7_ucs2/mx-DateTime-mxDateTime-mxDateTime/mx/DateTime/mxDateTime/mxDateTime.o
> -L/usr/local/lib -L/Library/Frameworks/Python.framework/Versions/2.7/lib -lm -o
> build/lib.macosx-10.6-intel-2.7_ucs2/mx/DateTime/mxDateTime/mxDateTime.so
> ld: library not found for -lm
> 
> This suggests that the libm is not available for one of the architectures
> or the SDK 10.6 in general.
> 
> I am a bit surprised that the SDK settings are only pulled in during
> the link step.  I double checked this with Python 2.6 and 2.5. 2.6
> also doesn't compile with SDK settings, but 2.5 does. We'll have to
> investigate this some more.
> 
> Could you try compiling with this environment variable set to 1:
> EGENIX_MXSETUP_NO_CUSTOMIZE_COMPILER_OVERRIDE

Nevermind, we're going to remove our custom version in favor of the
standard distutils one in the next release. That should fix the problem
and a few others on Macs as well.

Thanks,
-- 
Marc-Andre Lemburg
eGenix.com

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