Re: [Fink-devel] python26-2.6.8-2 linking wrong libncurses

[Hanspeter N. <fi...@sn...>]

On 2/18/2013 11:17 AM, Alexander Hansen wrote:
> On 2/18/13 8:27 AM, Hanspeter Niederstrasser wrote:
>> On 2/18/2013 9:26 AM, Jack Howarth wrote:
>>>      On x86_64 fink 10.6, the new python26-2.6.8-2 build fails with the error...
>>>
>>> ld: in /usr/lib/libncurses.5.dylib, missing required architecture x86_64 in file for architecture x86_64
>>> collect2: ld returned 1 exit status
>>>
>>> The problem is that compile line...
>>>
>>> gcc -bundle libpython2.6.dylib build/temp.macosx-10.6-x86_64-2.6/sw/src/fink.build/python26-2.6.8-2/Python-2.6.8/Modules/readline.o -lreadline -lncursesw -o build/lib.macosx-10.6-x86_64-2.6/readline.so -I. -IInclude -I./Include -I/sw/include -L/sw/lib/system-openssl/lib -L/sw/lib -L/sw/lib/system-openssl/lib -L/sw/lib -L/sw/lib/system-openssl/lib -L/sw/lib -L/usr/lib/termcap
>>>
>>> which is placing -lreadline --lncursesw before any of the instance of -L/sw/lib.
>>
>> To add to the record, it is more than just the order of -l and -L flags,
>> because on 10.7/xcode4.6, this is the linker line (note -L/sw/lib at
>> beginning which seems to be set by SetLDFLAGS):
>>
>> gcc -L/sw/lib/system-openssl/lib -L/sw/lib -bundle libpython2.6.dylib
>> -L/sw/lib/system-openssl/lib -L/sw/lib -I. -IInclude -I./Include
>> -I/sw/include
>> build/temp.macosx-10.7-x86_64-2.6/sw/build.build/python26-2.6.8-2/Python-2.6.8/Modules/readline.o
>> -L/usr/lib/termcap -L/sw/lib/system-openssl/lib -L/sw/lib -lreadline
>> -lncursesw -o build/lib.macosx-10.7-x86_64-2.6/readline.so
>>
>> and it gives the same error you see since /usr/lib/libncurses.5.dylib is
>> i386 only.  *But* if I downgrade to use our readline5, then the build
>> succeeds.  Both of Fink's readline dylibs link to
>> /sw/lib/libncurses.5.dylib. So something beyond flag ordering is happening.
>>
>> Hanspeter
>>
>> addendum: On a 10.6/x86_64 system here, I get this (with successful
>> completion):
>>
>> gcc -L/sw64/lib/system-openssl/lib -L/sw64/lib -bundle
>> libpython2.6.dylib -L/sw64/lib/system-openssl/lib -L/sw64/lib -I.
>> -IInclude -I./Include -I/sw64/include
>> build/temp.macosx-10.6-x86_64-2.6/sw64/build.build/python26-2.6.8-2/Python-2.6.8/Modules/readline.o
>> -L/usr/lib/termcap -L/sw64/lib/system-openssl/lib -L/sw64/lib -lreadline
>> -lncursesw -o build/lib.macosx-10.6-x86_64-2.6/readline.so
>>
>>
>
> What Xcode versions do you guys have for 10.6?  The build succeeds for
> me on 10.6/x86_64 with Xcode 3.2.6.

I have 3.2.6.

Hanspeter