revert to MB_ML_VER=1

Author: jswhit

.travis.yml

@@ -8,7 +8,7 @@ env:
         - NP_TEST_DEP=1.17.3
         - WHEELHOUSE_UPLOADER_USERNAME=travis-worker
         # manylinux version to build (1, 2010 or 2014)
-        - MB_ML_VER=2010
+        - MB_ML_VER=1
         # Following generated with
         # travis encrypt -r MacPython/netcdf4-python-wheels WHEELHOUSE_UPLOADER_SECRET=<the api key>
         - secure:

config.sh

@@ -13,10 +13,9 @@ source h5py-wheels/config.sh
 function build_libs {
     build_hdf5
     build_curl
-# only needed for MB_ML_VER=1
-#   if [ -z "$IS_OSX" ]; then
-#      export CFLAGS="-std=gnu99 -Wl,-strip-all"
-#   fi
+    if [ -z "$IS_OSX" ] && [ $MB_ML_VER -eq 1 ]; then
+       export CFLAGS="-std=gnu99 -Wl,-strip-all"
+    fi
     build_netcdf
 }