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-rw-r--r--pkgs/development/compilers/intercal/default.nix12
1 files changed, 11 insertions, 1 deletions
diff --git a/pkgs/development/compilers/intercal/default.nix b/pkgs/development/compilers/intercal/default.nix
index d696b6801ed..f3383bdcb5f 100644
--- a/pkgs/development/compilers/intercal/default.nix
+++ b/pkgs/development/compilers/intercal/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl
+{ lib, stdenv, fetchurl, fetchpatch
 , pkg-config
 , bison, flex
 , makeWrapper }:
@@ -14,6 +14,16 @@ stdenv.mkDerivation rec {
     sha256 = "1z2gpa5rbqb7jscqlf258k0b0jc7d2zkyipb5csjpj6d3sw45n4k";
   };
 
+  patches = [
+    # Pull patch pending upstream inclusion for -fno-common toolchains:
+    #   https://gitlab.com/esr/intercal/-/issues/4
+    (fetchpatch {
+      name = "fno-common.patch";
+      url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/dev-lang/c-intercal/files/c-intercal-31.0-no-common.patch?id=a110a98b4de6f280d770ba3cc92a4612326205a3";
+      sha256 = "03523fc40042r2ryq5val27prlim8pld4950qqpawpism4w3y1p2";
+    })
+  ];
+
   buildInputs =
   [ pkg-config bison flex makeWrapper ];