try to improve finding of metis and mumps

6 jobs for master in 7 minutes and 29 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed clang-c++11 #73715
Linux

00:07:28

passed CoMISo-VS2013-Qt-5.5.1-x64 #73717
VS2013 Qt551

00:01:12

passed CoMISo-VS2017-Qt-5.10.1-x64 #73718
VS2017 IPOPT3129

00:01:15

passed gcc-c++11 #73714
Linux

00:03:17

passed macos-c++11 #73716
Apple

00:04:46

 
  Deploy
passed trigger_build #73719

00:00:00