OCaml findlib: OCAMLPATH could be undefined

5 years ago · 67cc85ec67
parent 9167482d12
commit 67cc85ec67
1 changed files with 1 additions and 1 deletions
--- a/pkgs/development/tools/ocaml/findlib/default.nix
+++ b/pkgs/development/tools/ocaml/findlib/default.nix
@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
  setupHook = writeText "setupHook.sh" ''
    addOCamlPath () {
        if test -d "''$1/lib/ocaml/${ocaml.version}/site-lib"; then
-            export OCAMLPATH="''${OCAMLPATH}''${OCAMLPATH:+:}''$1/lib/ocaml/${ocaml.version}/site-lib/"
+            export OCAMLPATH="''${OCAMLPATH-}''${OCAMLPATH:+:}''$1/lib/ocaml/${ocaml.version}/site-lib/"
        fi
        if test -d "''$1/lib/ocaml/${ocaml.version}/site-lib/stublibs"; then
            export CAML_LD_LIBRARY_PATH="''${CAML_LD_LIBRARY_PATH}''${CAML_LD_LIBRARY_PATH:+:}''$1/lib/ocaml/${ocaml.version}/site-lib/stublibs"