Restored parallel conda build; attempting to add C tests.

.travis.yml

@@ -12,6 +12,11 @@ script:
   - source activate $python
   - conda install $HOME/miniconda/conda-bld/linux-64/openmm-dev-*
   - conda list -e
+  - # run C tests
+  - pushd .
+  - cd tools/conda-recipe/build
+  - ctest -j2 -V -E "[A-Za-z]+OpenCL[A-Za-z]+"
+  - popd
   - # run the python tests too
   - pushd .
   - cd wrappers/python/tests

tools/conda-recipe/build.sh

@@ -30,8 +30,7 @@ cp -r $RECIPE_DIR/../.. .
 mkdir build
 cd build
 cmake .. $CMAKE_FLAGS
-#make -j4 # faster
-make # simpler to debug
+make -j4
 make install
 
 export OPENMM_INCLUDE_PATH=$PREFIX/include