Adjust setup_linux.sh to include options for setting up WSL.

packager/setup_linux.sh

@@ -14,6 +14,24 @@ else
     export PATH="$pylith/bin:$PATH"
     export PYTHONPATH="$pylith/lib/python3.10/site-packages:$pylith/lib64/python3.10/site-packages"
     export LD_LIBRARY_PATH="$pylith/lib:$pylith/lib64"
+
+    for arg in "$@"; do
+    	if [ $arg = "add-wsl-libs" ]; then
+    	    if test ! -d lib-tmp; then
+                mkdir lib-tmp
+                ln -s /usr/lib/x86_64-linux-gnu/libstdc++.so.6 lib-tmp/
+                echo "Created lib-tmp with symbolic link for libstdc++.so.6."
+            fi
+    	    export LD_LIBRARY_PATH=$pylith_dir/lib-tmp:$LD_LIBRARY_PATH
+        elif [ $arg = "enable-software-rendering" ]; then
+            export LIBGL_ALWAYS_SOFTWARE=1
+            echo "Set LIBGL_ALWAYS_SOFWARE=1."
+        else
+            echo "Unknown argument '$arg'."
+            echo "Usage: source setup.sh [add-wsl-libs] [enable-software-rendering]"
+        fi
+    done
+
     echo "Ready to run PyLith."
 fi