use OpenBLAS instead of ATLAS to build numpy.

component/numpy/buildout.cfg

@@ -2,19 +2,19 @@
 
 extends =
   ../gcc/buildout.cfg
-  ../libatlas/buildout.cfg
+  ../openblas/buildout.cfg
 
 [numpy-env]
 PATH = ${gcc-fortran:location}/bin:%(PATH)s
-BLAS = ${libatlas:location}/lib/libcblas.a
-LAPACK = ${libatlas:location}/lib/liblapack.a
-ATLAS = ${libatlas:location}/lib/libatlas.a
+BLAS = ${openblas:location}/lib/libopenblas.so
+LAPACK = ${openblas:location}/lib/libopenblas.so
+ATLAS = ${openblas:location}/lib/libopenblas.so
 
 [numpy]
 recipe = zc.recipe.egg:custom
 egg = numpy
 environment = numpy-env
-# no need to add libatlas location because they are statically linked.
 rpath =
   ${gcc-fortran:location}/lib
   ${gcc-fortran:location}/lib64
+  ${openblas:location}/lib

component/openblas/buildout.cfg

+[buildout]
+parts =
+  openblas
+
+[openblas]
+recipe = slapos.recipe.cmmi
+url = http://github.com/xianyi/OpenBLAS/tarball/v0.2.13
+md5sum = 74adf4c0d0d82bff4774be5bf2134183
+configure-command = true
+make-options =
+  PREFIX="${buildout:parts-directory}/${:_buildout_section_name_}"
+  BINARY="$(uname -m | grep -q x86_64 && echo 64 || echo 32)"
+  NO_STATIC=1
+  USE_OPENMP=1
+  USE_THREAD=1
+# to build generic binary that supports multiple architecture in one binary
+# DYNAMIC_ARCH=1
+environment =
+  PATH=${gcc-fortran:location}/bin:%(PATH)s
+  LD_LIBRARY_PATH=${gcc-fortran:location}/lib:${gcc-fortran:location}/lib64
+  LDFLAGS=-Wl,-rpath=${gcc-fortran:location}/lib -Wl,-rpath=${gcc-fortran:location}/lib64