Use gfortran-9

Author: termoshtt

azure-pipelines.yml

@@ -4,6 +4,7 @@ jobs:
       vmImage: 'ubuntu-18.04'
     steps:
       - script: |
+          export FC=$(which gfortran-9)
           cargo test -v --features=openblas --no-default-features
           cargo test -v --features=openblas,serde-1 --no-default-features
         displayName: run test
@@ -13,6 +14,7 @@ jobs:
       vmImage: 'ubuntu-18.04'
     steps:
       - script: |
+          export FC=$(which gfortran-9)
           cargo test -v --features=openblas-static --no-default-features
           cargo test -v --features=openblas-static,serde-1 --no-default-features
         displayName: run test
@@ -22,6 +24,7 @@ jobs:
       vmImage: 'ubuntu-18.04'
     steps:
       - script: |
+          export FC=$(which gfortran-9)
           cargo test -v --features=netlib --no-default-features
           cargo test -v --features=netlib,serde-1 --no-default-features
         displayName: run test