update installation scripts

scripts/install_chrono.sh

@@ -33,7 +33,7 @@ sudo apt-get install automake
 ./configure
 sudo apt-get install bison flex
 make -j4
-sudo make install
+sudo make install  # install swig in /usr/local/bin/
 
 # install chrono and pychrono
 cd $CHRONO_PATH

scripts/install_dart.sh

@@ -32,7 +32,7 @@ sudo apt-get install libxi-dev libxmu-dev freeglut3-dev libopenscenegraph-dev
 sudo apt-get install python3-pip
 
 # build and install DART and dartpy
-git clone git://github.com/dartsim/dart.git
+git clone https://github.com/dartsim/dart
 cd dart
 git checkout tags/v6.9.0
 mkdir build

scripts/install_mujoco.sh

@@ -35,7 +35,7 @@ wget "https://www.roboti.us/download/${PACKAGE}.zip"
 unzip "${PACKAGE}.zip"
 
 # install mujoco_py
-sudo apt install libosmesa6-dev libgl1-mesa-glx libglfw3
+sudo apt install libosmesa6-dev libgl1-mesa-glx libglfw3 patchelf
 
 export MUJOCO_PY_MJKEY_PATH="${MUJOCO_PATH}/mjkey.txt"
 export MUJOCO_PY_MJPRO_PATH="${MUJOCO_PATH}/${PACKAGE}"