Use Kitware apt repo and bottled MPICH

Author: zbeekman

.travis.yml

@@ -71,7 +71,8 @@ matrix:
         apt:
           sources: &linuxsrcs
             - ubuntu-toolchain-r-test
-            - george-edison55-precise-backports
+            - sourceline: 'deb https://apt.kitware.com/ubuntu/ xenial main'
+              key_url: 'https://apt.kitware.com/keys/kitware-archive-latest.asc'
           packages: &gcc8pkgs
             - gcc-8
             - gfortran-8

Brewfile

@@ -13,7 +13,7 @@
 
 brew 'cmake'
 brew 'gcc'
-brew 'mpich', args: ['cc=gcc-9', 'build-from-source', 'verbose']
+brew 'mpich' #, args: ['cc=gcc-9', 'build-from-source', 'verbose']
 # brew 'opencoarrays', args: ['cc=gcc-9', 'build-from-source', 'verbose']
 
 # [Homebrew]: http://brew.sh