From e9995a5aded046f2a4440b68f06e0833fd8bb35c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Sun, 17 Jul 2022 20:18:46 +0200
Subject: [PATCH] rspamd: fix crashes by switching pcre2 -> pcre1

on x86-64 the impact should be also minimal because hyperscan is used
for performance critical regexes.
---
 pkgs/servers/mail/rspamd/default.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pkgs/servers/mail/rspamd/default.nix b/pkgs/servers/mail/rspamd/default.nix
index a720500380e..05d71c9bad3 100644
--- a/pkgs/servers/mail/rspamd/default.nix
+++ b/pkgs/servers/mail/rspamd/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, cmake, perl
-, glib, luajit, openssl, pcre2, pkg-config, sqlite, ragel, icu
+, glib, luajit, openssl, pcre, pkg-config, sqlite, ragel, icu
 , hyperscan, jemalloc, blas, lapack, lua, libsodium
 , withBlas ? true
 , withHyperscan ? stdenv.isx86_64
@@ -23,12 +23,14 @@ stdenv.mkDerivation rec {
   hardeningEnable = [ "pie" ];
 
   nativeBuildInputs = [ cmake pkg-config perl ];
-  buildInputs = [ glib openssl pcre2 sqlite ragel icu jemalloc libsodium ]
+  buildInputs = [ glib openssl pcre sqlite ragel icu jemalloc libsodium ]
     ++ lib.optional withHyperscan hyperscan
     ++ lib.optionals withBlas [ blas lapack ]
     ++ lib.optional withLuaJIT luajit ++ lib.optional (!withLuaJIT) lua;
 
   cmakeFlags = [
+    # pcre2 jit seems to cause crashes: https://github.com/NixOS/nixpkgs/pull/181908
+    "-DENABLE_PCRE2=OFF"
     "-DDEBIAN_BUILD=ON"
     "-DRUNDIR=/run/rspamd"
     "-DDBDIR=/var/lib/rspamd"