1 files changed, 11 insertions, 2 deletions
diff --git a/pkgs/development/compilers/ecl/16.1.2.nix b/pkgs/development/compilers/ecl/16.1.2.nix
index 30fee77321f5..b324ec490f1a 100644
--- a/pkgs/development/compilers/ecl/16.1.2.nix
+++ b/pkgs/development/compilers/ecl/16.1.2.nix
@@ -1,9 +1,9 @@
-{stdenv, fetchurl
+{ stdenv, fetchurl, fetchpatch
 , libtool, autoconf, automake
 , gmp, mpfr, libffi, makeWrapper
 , noUnicode ? false
 , gcc
-, threadSupport ? true
+, threadSupport ? false
 }:
 let
   s = # Generated upstream information
@@ -39,6 +39,15 @@ stdenv.mkDerivation {
       "--enable-unicode")
     ;
 
+  patches = [
+    (fetchpatch {
+      # Avoid infinite loop, see https://gitlab.com/embeddable-common-lisp/ecl/issues/43 (fixed upstream)
+      name = "avoid-infinite-loop.patch";
+      url = "https://gitlab.com/embeddable-common-lisp/ecl/commit/caba1989f40ef917e7486f41b9cd5c7e3c5c2d79.patch";
+      sha256 = "07vw91psbc9gdn8grql46ra8lq3bgkzg5v480chnbryna4sv6lbb";
+    })
+  ];
+
   hardeningDisable = [ "format" ];
 
   postInstall = ''