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Diffstat (limited to 'INSTALL.rst.txt')
| -rw-r--r-- | INSTALL.rst.txt | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/INSTALL.rst.txt b/INSTALL.rst.txt index d3ed7197e..640ddafc7 100644 --- a/INSTALL.rst.txt +++ b/INSTALL.rst.txt @@ -14,8 +14,7 @@ Prerequisites Building NumPy requires the following software installed: -1) For Python 2, Python__ 2.7.x or newer. - For Python 3, Python__ 3.4.x or newer. +1) For Python 3, Python__ 3.5.x or newer. On Debian and derivative (Ubuntu): python python-dev @@ -27,8 +26,8 @@ Building NumPy requires the following software installed: Python must also be compiled with the zlib module enabled. -2) Cython >= 0.19 (for development versions of numpy, not for released - versions) +2) Cython >= 0.29.2 (for development versions of numpy, not for released + versions) 3) pytest__ (optional) 1.15 or later This is required for testing numpy, but not for using it. @@ -61,8 +60,6 @@ To perform an inplace build that can be run from the source folder run:: python setup.py build_ext --inplace -j 4 -Note that the ``python`` command here is the system default Python, generally -python 2, the ``python3`` command may be needed to install on python 3. See `Requirements for Installing Packages <https://packaging.python.org/tutorials/installing-packages/>`_ for more details. @@ -79,8 +76,13 @@ skipped when running the test suite if no Fortran compiler is available. For building Scipy a Fortran compiler is needed though, so we include some details on Fortran compilers in the rest of this section. -On OS X and Linux, all common compilers will work. Note that for Fortran, -``gfortran`` is strongly preferred over ``g77``, but if you happen to have both +On OS X and Linux, all common compilers will work. Note that C99 support is +required. For compilers that don't support the C99 language standard by +default (such as ``gcc`` versions < 5.0), it should be enabled. For ``gcc``:: + + export CFLAGS='-std=c99' + +For Fortran, ``gfortran`` works, ``g77`` does not. In case ``g77`` is installed then ``g77`` will be detected and used first. To explicitly select ``gfortran`` in that case, do:: |