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gnu: python-numpy: Build against OpenBLAS.

* gnu/packages/python.scm (python-numpy)[inputs]: Use "openblas" instead of
  "atlas".
* gnu/packages/python.scm (python-numpy)[arguments]: Configure build against
  OpenBLAS.

Modified-By: Mark H Weaver <mhw@netris.org>
gn-latest-20200428
Ricardo Wurmus 6 years ago
committed by Mark H Weaver
parent
commit
dbdfe51598
1 changed files with 13 additions and 11 deletions
  1. +13
    -11
      gnu/packages/python.scm

+ 13
- 11
gnu/packages/python.scm View File

@ -2283,7 +2283,7 @@ writing C extensions for Python as easy as Python itself.")
(build-system python-build-system)
(inputs
`(("python-nose" ,python-nose)
("atlas" ,atlas)))
("openblas" ,openblas)))
(native-inputs
`(("gfortran" ,gfortran-4.8)))
(arguments
@ -2291,16 +2291,18 @@ writing C extensions for Python as easy as Python itself.")
(alist-cons-before
'build 'set-environment-variables
(lambda* (#:key inputs #:allow-other-keys)
(let* ((atlas-threaded
(string-append (assoc-ref inputs "atlas")
"/lib/libtatlas.so"))
;; On single core CPUs only the serial library is created.
(atlas-lib
(if (file-exists? atlas-threaded)
atlas-threaded
(string-append (assoc-ref inputs "atlas")
"/lib/libsatlas.so"))))
(setenv "ATLAS" atlas-lib)))
(call-with-output-file "site.cfg"
(lambda (port)
(format port "[openblas]
libraries = openblas
library_dirs = ~a/lib
include_dirs = ~a/include
" (assoc-ref inputs "openblas") (assoc-ref inputs "openblas"))))
;; Use "gcc" executable, not "cc".
(substitute* "numpy/distutils/system_info.py"
(("c = distutils\\.ccompiler\\.new_compiler\\(\\)")
"c = distutils.ccompiler.new_compiler(); c.set_executables(compiler='gcc',compiler_so='gcc',linker_exe='gcc',linker_so='gcc -shared')"))
#t)
;; Tests can only be run after the library has been installed and not
;; within the source directory.
(alist-cons-after


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