Bugs item #1205568, was opened at 2005-05-20 07:05
Message generated for change (Comment added) made by rzigweid
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Category: Build
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Robert M. Zigweid (rzigweid)
Assigned to: Nobody/Anonymous (nobody)
Summary: Compile fails on Darwin8 with --with-cxx=g++
Initial Comment:
As has been previously reported and fixed in some portions of the build
process, building on Darwin 8 with gcc-4.0 requires some extra libraries to
be passed.
When --with-cxx=g++ is specified to configure, and possibly for other flags
that make the build process be conscious of C++.
Tail of error:
gcc -u _PyMac_Error -o python.exe Modules/ccpython.o
libpython2.4.a -ldl
/usr/bin/ld: Undefined symbols:
___gxx_personality_v0
collect2: ld returned 1 exit status
make: *** [python.exe] Error 1
Fix:
Add -lSystem and -lSystemStubs for Darwin 8 to the linker where
appropriate. I haven't identified all these spots though.
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>Comment By: Robert M. Zigweid (rzigweid)
Date: 2005-06-03 07:56
Message:
Logged In: YES
user_id=554287
Firstly, exposing this bug, I discovred, also requires passing --with-
pydebug=true. It's fine if you don't compile with pydebug. I'm sorry I did
not
mention/realize that initially.
Secondly in response to loewis comment. It looks like linking with g++ instead
of gcc as you eluded to takes care of the problem.
Ilyria% gcc -u _PyMac_Error -o python.exe > Modules/ccpython.o
> libpython2.4.a -ldl
/usr/bin/ld: Undefined symbols:
___gxx_personality_v0
collect2: ld returned 1 exit status
Ilyria ~/src/Python-2.4.1 05-06-03 7:53AM
[gcc -u _PyMac_Error -o python.exe \n Modules/ccpython.o \n
libpython2.4.a -ldl ]
Ilyria% g++ -u _PyMac_Error -o python.exe Modules/ccpython.o
libpython2.4.a -ldl
Ilyria ~/src/Python-2.4.1
----------------------------------------------------------------------
Comment By: Martin v. Löwis (loewis)
Date: 2005-05-20 17:13
Message:
Logged In: YES
user_id=21627
Can you check whether just linking with g++ (instead of
linking with gcc, and still not adding -lSystem) also solves
the problem?
configure is supposed to detect that g++ is needed for
linking; if linking with g++ solves the problem, then
configure.in must be enhanced to properly auto-detect this case.
----------------------------------------------------------------------
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