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authorVincent Laporte <Vincent.Laporte@gmail.com>2018-12-10 19:59:50 +0000
committerVincent Laporte <vbgl@users.noreply.github.com>2018-12-17 17:46:46 +0000
commitb5f580fa2e146c9f326bd64938099a4b5c848a9c (patch)
tree49cb1cc9ea2470a50fb5ef964ff982e73d1a6bd7 /pkgs/development/ocaml-modules/labltk
parent5e786dedc1b99f68542c0ec8824a87a8d544aaa5 (diff)
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ocamlPackages.labltk: fix evaluation with OCaml < 4.04
Diffstat (limited to 'pkgs/development/ocaml-modules/labltk')
-rw-r--r--pkgs/development/ocaml-modules/labltk/default.nix4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/development/ocaml-modules/labltk/default.nix b/pkgs/development/ocaml-modules/labltk/default.nix
index 10555771feef..b4a4e012560e 100644
--- a/pkgs/development/ocaml-modules/labltk/default.nix
+++ b/pkgs/development/ocaml-modules/labltk/default.nix
@@ -1,5 +1,9 @@
 { stdenv, fetchurl, ocaml, findlib, tcl, tk }:
 
+if !stdenv.lib.versionAtLeast ocaml.version "4.04"
+then throw "labltk is not available for OCaml ${ocaml.version}"
+else
+
 let param = {
   "4.04" = {
     version = "8.06.2";