[Numpy-discussion] Help compiling numpy with new gcc

[Ralf Gommers]

On Wed, Nov 7, 2012 at 7:28 PM, Filipe Pires Alvarenga Fernandes <
ocefpaf at gmail.com> wrote:

> Hi I am trying to compile numpy with gcc 4.7.1 and I am having the
> following issue.
>
> "RuntimeError: Broken toolchain: cannot link a simple C program"
>

Do you have Python development headers installed? Usually a separate
package called python-dev on linux. If so, can you compile with an older
gcc?

Ralf


> I noticed that I need to pass the flag '-fno-use-linker-plugin' to be
> able to compile it.  However, even though I did pass it by exporting
> the CFLAGS, it does not work.  I guess that numpy do not use the
> CFLAGS for its internal extensions.  How can I pass that option to it?
>
>
> Error below:
> [   11s] 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/src/npysort -Inumpy/core/include
> -I/usr/include/python2.7 -c'
> [   11s] gcc: _configtest.c
> [   11s] gcc -pthread _configtest.o -o _configtest
> [   11s] gcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not
> found
> [   11s] compilation terminated.
> [   11s] gcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not
> found
> [   11s] compilation terminated.
> [   11s] failure.
> [   11s] removing: _configtest.c _configtest.o
> [   11s] Traceback (most recent call last):
> [   11s]   File "setup.py", line 214, in <module>
> [   11s]     setup_package()
> [   11s]   File "setup.py", line 207, in setup_package
> [   11s]     configuration=configuration )
> [   11s]   File
> "/home/abuild/rpmbuild/BUILD/numpy/numpy/distutils/core.py", line 186,
> in setup
> [   11s]     return old_setup(**new_attr)
> [   11s]   File "/usr/lib64/python2.7/distutils/core.py", line 152, in
> setup
> [   11s]     dist.run_commands()
> [   11s]   File "/usr/lib64/python2.7/distutils/dist.py", line 953, in
> run_commands
> [   11s]     self.run_command(cmd)
> [   11s]   File "/usr/lib64/python2.7/distutils/dist.py", line 972, in
> run_command
> [   11s]     cmd_obj.run()
> [   11s]   File
> "/home/abuild/rpmbuild/BUILD/numpy/numpy/distutils/command/build.py",
> line 37, in run
> [   11s]     old_build.run(self)
> [   11s]   File "/usr/lib64/python2.7/distutils/command/build.py",
> line 127, in run
> [   11s]     self.run_command(cmd_name)
> [   11s]   File "/usr/lib64/python2.7/distutils/cmd.py", line 326, in
> run_command
> [   11s]     self.distribution.run_command(command)
> [   11s]   File "/usr/lib64/python2.7/distutils/dist.py", line 972, in
> run_command
> [   11s]     cmd_obj.run()
> [   11s]   File
> "/home/abuild/rpmbuild/BUILD/numpy/numpy/distutils/command/build_src.py",
> line 152, in run
> [   11s]     self.build_sources()
> [   11s]   File
> "/home/abuild/rpmbuild/BUILD/numpy/numpy/distutils/command/build_src.py",
> line 163, in build_sources
> [   11s]     self.build_library_sources(*libname_info)
> [   11s]   File
> "/home/abuild/rpmbuild/BUILD/numpy/numpy/distutils/command/build_src.py",
> line 298, in build_library_sources
> [   11s]     sources = self.generate_sources(sources, (lib_name,
> build_info))
> [   11s]   File
> "/home/abuild/rpmbuild/BUILD/numpy/numpy/distutils/command/build_src.py",
> line 385, in generate_sources
> [   11s]     source = func(extension, build_dir)
> [   11s]   File "numpy/core/setup.py", line 648, in get_mathlib_info
> [   11s]     raise RuntimeError("Broken toolchain: cannot link a
> simple C program")
> [   11s] RuntimeError: Broken toolchain: cannot link a simple C program
> [   11s] error: Bad exit status from /var/tmp/rpm-tmp.yO2SIE (%build)
> [   11s]
> [   11s]
> [   11s] RPM build errors:
> [   11s]     Bad exit status from /var/tmp/rpm-tmp.yO2SIE (%build)
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