1 files changed, 4 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/applications/search/recoll/default.nix b/nixpkgs/pkgs/applications/search/recoll/default.nix
index 0560793132d1..902571dd33f1 100644
--- a/nixpkgs/pkgs/applications/search/recoll/default.nix
+++ b/nixpkgs/pkgs/applications/search/recoll/default.nix
@@ -97,7 +97,10 @@ mkDerivation rec {
     (lib.withFeature stdenv.isLinux "inotify")
   ];
 
-  env.NIX_CFLAGS_COMPILE = toString [ "-DNIXPKGS" ];
+  env.NIX_CFLAGS_COMPILE = toString [
+    "-DNIXPKGS"
+    "-fpermissive" # libxml2-2.12 changed const qualifiers
+  ];
 
   patches = [
     # fix "No/bad main configuration file" error