TRAVIS: Only enable OPL2LPT and text console support on Linux

.travis.yml

@@ -63,9 +63,11 @@ matrix:
   include:
     - os: linux
       compiler: gcc
+      env: CONFIGFLAGS="--enable-opl2lpt --enable-text-console"
       cache: ccache
     - os: linux
       compiler: clang
+      env: CONFIGFLAGS="--enable-opl2lpt --enable-text-console"
       cache: ccache
       before_script:
         - sudo ln -s $(which ccache) /usr/lib/ccache/clang
@@ -85,7 +87,7 @@ script:
   - ccache --show-stats > /tmp/ccache_before
   - export PATH="/usr/local/opt/ccache/libexec:/usr/lib/ccache:$PATH"
   - export CCACHE_COMPRESS=1
-  - ./configure --enable-all-engines --enable-opl2lpt --enable-text-console
+  - ./configure --enable-all-engines $CONFIGFLAGS
   - make -j 2
   - make test
   - make devtools