A few hooks for easier library handling when CFFI is used

pkgs/development/lisp-modules/clwrapper/setup-hook.sh

@@ -25,9 +25,15 @@ setLisp () {
     fi
 }
 
+collectNixLispLDLP () {
+     if echo "$1/lib"/lib*.so* | grep . > /dev/null; then
+	 export NIX_LISP_LD_LIBRARY_PATH="$NIX_LISP_LD_LIBRARY_PATH${NIX_LISP_LD_LIBRARY_PATH:+:}$1/lib"
+     fi
+}
+
 export NIX_LISP_COMMAND NIX_LISP CL_SOURCE_REGISTRY NIX_LISP_ASDF
 
-envHooks=(envHooks[@] addASDFPaths setLisp)
+envHooks=(envHooks[@] addASDFPaths setLisp collectNixLispLDLP)
 
 mkdir -p "$HOME"/.cache/common-lisp || HOME="$TMP/.temp-$USER-home"
 mkdir -p "$HOME"/.cache/common-lisp