autocmake/doc/users/faq.rst
2015-07-27 20:29:48 +02:00

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FAQ for users
=============
TLDR How do I compile the code?
-------------------------------
::
$ python setup.py [-h]
$ cd build
$ make
How can I specify the compiler?
-------------------------------
By default ``setup.py`` will attempt GNU compilers.
You can specify compilers manually like this::
$ python setup.py --fc=ifort --cc=icc --cxx=icpc
How can I add compiler flags?
-----------------------------
You can do this with ``--extra-fc-flags``, ``--extra-cc-flags``, or
``--extra-cxx-flags``::
$ python setup.py --fc=gfortran --extra-fc-flags='-some-exotic-flag'
How can I redefine compiler flags?
----------------------------------
If you export compiler flags using the environment variables ``FCFLAGS``,
``CFLAGS``, or ``CXXFLAGS``, respectively, then the configuration will use
those flags and neither augment them, nor redefine them. Setting
these environment variables you have full control over the flags
without editing CMake files.