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Diffstat (limited to 'doc/source/dev/development_environment.rst')
| -rw-r--r-- | doc/source/dev/development_environment.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/source/dev/development_environment.rst b/doc/source/dev/development_environment.rst index aa4326f63..f9b438bfd 100644 --- a/doc/source/dev/development_environment.rst +++ b/doc/source/dev/development_environment.rst @@ -8,7 +8,9 @@ Recommended development setup Since NumPy contains parts written in C and Cython that need to be compiled before use, make sure you have the necessary compilers and Python -development headers installed - see :ref:`building-from-source`. +development headers installed - see :ref:`building-from-source`. Building +NumPy as of version ``1.17`` requires a C99 compliant compiler. For +some older compilers this may require ``export CFLAGS='-std=c99'``. Having compiled code also means that importing NumPy from the development sources needs some additional steps, which are explained below. For the rest |