MAINT: bump ARMv8 / POWER8 OpenBLAS in CI

* require OpenBLAS 0.3.7.dev in ARMv8
and POWER8 CI runs to match ecosystem / wheels

.travis.yml

@@ -21,7 +21,7 @@ cache:
 
 env:
   global:
-    - OpenBLAS_version=0.3.5
+    - OpenBLAS_version=0.3.7.dev
     - WHEELHOUSE_UPLOADER_USERNAME=travis.numpy
     # The following is generated with the command:
     # travis encrypt -r numpy/numpy WHEELHOUSE_UPLOADER_SECRET=tH3AP1KeY

shippable.yml

@@ -48,7 +48,7 @@ build:
     - extra_path=$(printf "%s:" "${extra_directories[@]}")
     - export PATH="${extra_path}${PATH}"
     # check OpenBLAS version
-    - python tools/openblas_support.py --check_version 0.3.5
+    - python tools/openblas_support.py --check_version 0.3.7.dev
     # run the test suite
     - python runtests.py -- -rsx --junit-xml=$SHIPPABLE_REPO_DIR/shippable/testresults/tests.xml -n 2 --durations=10
 

tools/openblas_support.py

@@ -14,7 +14,7 @@
 import zipfile
 import tarfile
 
-OPENBLAS_V = 'v0.3.5'
+OPENBLAS_V = '6a8b426'
 OPENBLAS_LONG = 'v0.3.5-274-g6a8b4269'
 BASE_LOC = ''
 RACKSPACE = 'https://3f23b170c54c2533c070-1c8a9b3114517dc5fe17b7c3f8c63a43.ssl.cf2.rackcdn.com'
@@ -47,15 +47,15 @@ def download_openblas(target, arch):
         # https://github.com/tylerjereddy/openblas-static-gcc/tree/master/ARMv8
         # build done on GCC compile farm machine named gcc115
         # tarball uploaded manually to an unshared Dropbox location
-        filename = ('https://www.dropbox.com/s/pbqkxzlmih4cky1/'
+        filename = ('https://www.dropbox.com/s/zsp1wb3tq4n9g0b/'
                     'openblas-{}-armv8.tar.gz?dl=1'.format(OPENBLAS_V))
         typ = 'tar.gz'
     elif arch == 'ppc64':
         # build script for POWER8 OpenBLAS available here:
         # https://github.com/tylerjereddy/openblas-static-gcc/blob/master/power8
         # built on GCC compile farm machine named gcc112
         # manually uploaded tarball to an unshared Dropbox location
-        filename = ('https://www.dropbox.com/s/zcwhk7c2zptwy0s/'
+        filename = ('https://www.dropbox.com/s/k9uabwoi8bekjwe/'
                     'openblas-{}-ppc64le-power8.tar.gz?dl=1'.format(OPENBLAS_V))
         typ = 'tar.gz'
     elif arch == 'darwin':