Add condition to build PGI only for the correct matrix entry

.travis.yml

@@ -3,15 +3,16 @@ dist: xenial
 language: cpp
 matrix:
  include:
- - compiler: gcc
+ - compiler: gcc # Using
  env:
  - FC=pgfortran
  - FCFLAGS="-Mallocatable=03 -Mstandard"
- - INSTALL_PGI=on
+ - TEST_PGI=yes
  - compiler: gcc
  env:
  - FC=gfortran-9
  - FCFLAGS="-ffree-line-length-none -m64 -std=f2003 -march=native"
+ - TEST_PGI=no
  addons:
  apt:
  sources:
@@ -23,6 +24,7 @@ matrix:
  env:
  - FC=gfortran-8
  - FCFLAGS="-ffree-line-length-none -m64 -std=f2003 -march=native"
+ - TEST_PGI=no
  addons:
  apt:
  sources:
@@ -34,13 +36,15 @@ cache:
  directories:
  - "$HOME/pgi/"
 before_install:
-- if [ ! -d "$HOME/bin/pgfortran" ]; then
+# Install PGI Community edition if not present in cache
+- if [[ "${TEST_PGI}" == "yes" ]] && [[ ! -d "$HOME/bin/pgfortran" ]]; then
  wget -q 'https://raw.githubusercontent.com/nemequ/pgi-travis/master/install-pgi.sh';
  chmod +x install-pgi.sh;
  ./install-pgi.sh --nvidia;
  fi
-- which pgfortran
-- pgfortran --version
+- if [[ "${TEST_PGI}" == "yes" ]]; then
+ pgfortran --version;
+ fi
 script:
 - cd build
 - make