ccl: create ccl symlink

Tomas Hlavaty · vcunat · commit ccd6ec20e10c · 2017-07-01T10:32:08.000+02:00
Make it more intuitive for users to start ccl and avoid platform dependent executable names. #26934 (cherry picked from commit ad82538) It seems a rather safe change.
diff --git a/pkgs/development/compilers/ccl/default.nix b/pkgs/development/compilers/ccl/default.nix
@@ -68,6 +68,7 @@ stdenv.mkDerivation rec {
     mkdir -p "$out/bin"
     echo -e '#!/bin/sh\n'"$out/share/ccl-installation/${CCL_RUNTIME}"' "$@"\n' > "$out"/bin/"${CCL_RUNTIME}"
     chmod a+x "$out"/bin/"${CCL_RUNTIME}"
+    ln -s "$out"/bin/"${CCL_RUNTIME}" "$out"/bin/ccl
   '';
 
   meta = with stdenv.lib; {
