Error:
running build
running config_cc
unifing config_cc, config, build_clib, build_ext, build commands --compiler options
running config_fc
unifing config_fc, config, build_clib, build_ext, build commands --fcompiler options
running build_src
build_src
building py_modules sources
creating build
creating build/src.linux-x86_64-2.7
creating build/src.linux-x86_64-2.7/numpy
creating build/src.linux-x86_64-2.7/numpy/distutils
building library "npymath" sources
customize Gnu95FCompiler
Traceback (most recent call last):
  File "setup.py", line 214, in <module>
    setup_package()
  File "setup.py", line 207, in setup_package
    configuration=configuration )
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/core.py", line 186, in setup
    return old_setup(**new_attr)
  File "/uufs/chpc.utah.edu/sys/pkg/python/2.7.3/lib/python2.7/distutils/core.py", line 152, in setup
    dist.run_commands()
  File "/uufs/chpc.utah.edu/sys/pkg/python/2.7.3/lib/python2.7/distutils/dist.py", line 953, in run_commands
    self.run_command(cmd)
  File "/uufs/chpc.utah.edu/sys/pkg/python/2.7.3/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/command/build.py", line 37, in run
    old_build.run(self)
  File "/uufs/chpc.utah.edu/sys/pkg/python/2.7.3/lib/python2.7/distutils/command/build.py", line 127, in run
    self.run_command(cmd_name)
  File "/uufs/chpc.utah.edu/sys/pkg/python/2.7.3/lib/python2.7/distutils/cmd.py", line 326, in run_command
    self.distribution.run_command(command)
  File "/uufs/chpc.utah.edu/sys/pkg/python/2.7.3/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/command/build_src.py", line 152, in run
    self.build_sources()
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/command/build_src.py", line 163, in build_sources
    self.build_library_sources(*libname_info)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/command/build_src.py", line 298, in build_library_sources
    sources = self.generate_sources(sources, (lib_name, build_info))
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/command/build_src.py", line 385, in generate_sources
    source = func(extension, build_dir)
  File "numpy/core/setup.py", line 646, in get_mathlib_info
    st = config_cmd.try_link('int main(void) { return 0;}')
  File "/uufs/chpc.utah.edu/sys/pkg/python/2.7.3/lib/python2.7/distutils/command/config.py", line 248, in try_link
    self._check_compiler()
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/command/config.py", line 77, in _check_compiler
    self.fcompiler.customize(self.distribution)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/fcompiler/__init__.py", line 500, in customize
    get_flags('opt', oflags)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/fcompiler/__init__.py", line 491, in get_flags
 flags.extend(getattr(self.flag_vars, tag))
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/environment.py", line 37, in __getattr__
    return self._get_var(name, conf_desc)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/environment.py", line 51, in _get_var
    var = self._hook_handler(name, hook)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/fcompiler/__init__.py", line 698, in _environment_hook
    return hook()
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/fcompiler/gnu.py", line 348, in get_flags_opt
    return GnuFCompiler.get_flags_opt(self)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/fcompiler/gnu.py", line 195, in get_flags_opt
    v = self.get_version()
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/fcompiler/__init__.py", line 430, in get_version
    version = CCompiler.get_version(self, force=force, ok_status=ok_status)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/ccompiler.py", line 458, in CCompiler_get_version
    status, output = exec_command(version_cmd,use_tee=0)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/exec_command.py", line 219, in exec_command
    **env)
  File "/uufs/chpc.utah.edu/sys/src/pylib/2.7.3/numpy/1.7.1/numpy/distutils/exec_command.py", line 269, in _exec_command_posix
    status = int(status_text)
ValueError: invalid literal for int() with base 10: ''