On 04/12/2010 06:03 PM, Nadav Horesh wrote:
>
> Tried of install numy-1.4.1-rc2 on python-2.7b1 and got an error:
>
> (64 bit linux on core2, gcc4.4.3)
>
>
> compile options: '-Inumpy/core/src/private -Inumpy/core/src -Inumpy/core
> -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath
> -Inumpy/core/include -I/usr/local/include/python2.7 -c'
> gcc: _configtest.c
> _configtest.c:1: warning: conflicting types for built-in function ‘exp’
> gcc -pthread _configtest.o -o _configtest
> _configtest.o: In function `main':
> /dev/shm/numpy-1.4.1rc2/_configtest.c:6: undefined reference to `exp'
> collect2: ld returned 1 exit status
> _configtest.o: In function `main':
> /dev/shm/numpy-1.4.1rc2/_configtest.c:6: undefined reference to `exp'
> collect2: ld returned 1 exit status
> Traceback (most recent call last):
> File "setup.py", line 187, in<module>
> setup_package()
> File "setup.py", line 180, in setup_package
> configuration=configuration )
> File "/dev/shm/numpy-1.4.1rc2/numpy/distutils/core.py", line 186, in setup
> return old_setup(**new_attr)
> File "/usr/local/lib/python2.7/distutils/core.py", line 152, in setup
> dist.run_commands()
> File "/usr/local/lib/python2.7/distutils/dist.py", line 953, in
> run_commands
> self.run_command(cmd)
> File "/usr/local/lib/python2.7/distutils/dist.py", line 972, in run_command
> cmd_obj.run()
> File "/dev/shm/numpy-1.4.1rc2/numpy/distutils/command/build.py", line 37,
> in run
> old_build.run(self)
> File "/usr/local/lib/python2.7/distutils/command/build.py", line 127, in
> run
> self.run_command(cmd_name)
> File "/usr/local/lib/python2.7/distutils/cmd.py", line 326, in run_command
> self.distribution.run_command(command)
> File "/usr/local/lib/python2.7/distutils/dist.py", line 972, in run_command
> cmd_obj.run()
> File "/dev/shm/numpy-1.4.1rc2/numpy/distutils/command/build_src.py", line
> 152, in run
> self.build_sources()
> File "/dev/shm/numpy-1.4.1rc2/numpy/distutils/command/build_src.py", line
> 163, in build_sources
> self.build_library_sources(*libname_info)
> File "/dev/shm/numpy-1.4.1rc2/numpy/distutils/command/build_src.py", line
> 298, in build_library_sources
> sources = self.generate_sources(sources, (lib_name, build_info))
> File "/dev/shm/numpy-1.4.1rc2/numpy/distutils/command/build_src.py", line
> 385, in generate_sources
> source = func(extension, build_dir)
> File "numpy/core/setup.py", line 658, in get_mathlib_info
> mlibs = check_mathlib(config_cmd)
> File "numpy/core/setup.py", line 328, in check_mathlib
> if config_cmd.check_func("exp", libraries=libs, decl=True, call=True):
> File "/dev/shm/numpy-1.4.1rc2/numpy/distutils/command/config.py", line
> 310, in check_func
> libraries, library_dirs)
> File "/usr/local/lib/python2.7/distutils/command/config.py", line 251, in
> try_link
> libraries, library_dirs, lang)
Looks like another distutils regression in 2.7 to me - try_link should
never cause an error if it fails linking, that's the whole point of the
function.
cheers,
David
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