Add caffe and gcc

The script now fails if caffe is in compatible. I also added gcc because compiling with gcc from the host PC (Idiap machines) .

install/from-scratch.sh

@@ -22,6 +22,13 @@ if [ -d ${BASEDIR}/envs/${NAME} ]; then
   fi
 fi
 
+
+if [ "$(uname)" == "Linux" ] && [ ${PYTHON_VERSION} == "2.7" ]; then
+    CAFFE=caffe
+else
+    CAFFE=
+fi
+
 # For a complete list of dependencies, please read:
 # https://gitlab.idiap.ch/bob/bob/wikis/Dependencies
 echo "[>>] Creating environment ${NAME} for python ${PYTHON_VERSION} with bob dependencies..."
@@ -33,6 +40,7 @@ ${CONDA} create --yes -n ${NAME} --override-channels -c conda-forge -c defaults
   dask \
   docopt \
   ffmpeg \
+  gcc \
   giflib \
   hdf5 \
   ipdb \
@@ -61,12 +69,8 @@ ${CONDA} create --yes -n ${NAME} --override-channels -c conda-forge -c defaults
   sqlalchemy \
   tensorflow \
   virtualenv \
-  vlfeat
-
-# Commented out while @amohammadi fixes it in conda-forge
-#if [ "$(uname)" == "Linux" ] && [ ${PYTHON_VERSION} == "2.7" ]; then
-#    ${CONDA} install --yes -n ${NAME} --override-channels -c conda-forge -c defaults caffe
-#fi
+  vlfeat \
+  ${CAFFE}
 
 echo "[>>] Pip-installing extra dependencies in environment ${NAME} for ${PYTHON_VERSION}..."
 source ${BASEDIR}/bin/activate ${NAME}