From 562d9d472c32128a0d7decdb787aea660100efbe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Mon, 10 Dec 2018 22:48:42 +0000
Subject: [PATCH] dovecot: fix cross-build

---
 pkgs/servers/mail/dovecot/default.nix | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pkgs/servers/mail/dovecot/default.nix b/pkgs/servers/mail/dovecot/default.nix
index 6c6ddf651e62..6007d15a3a15 100644
--- a/pkgs/servers/mail/dovecot/default.nix
+++ b/pkgs/servers/mail/dovecot/default.nix
@@ -24,6 +24,8 @@ stdenv.mkDerivation rec {
     sha256 = "01ggzf7b3jpl89mjiqr7xbpbs181g2gjf6wzg70qaqfzz3ppc6yr";
   };
 
+  enableParallelBuilding = true;
+
   preConfigure = ''
     patchShebangs src/config/settings-get.pl
   '';
@@ -57,6 +59,21 @@ stdenv.mkDerivation rec {
     "--with-ldap"
     "--with-lucene"
     "--with-icu"
+  ] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
+    "i_cv_epoll_works=${if stdenv.isLinux then "yes" else "no"}"
+    "i_cv_posix_fallocate_works=${if stdenv.isDarwin then "no" else "yes"}"
+    "i_cv_inotify_works=${if stdenv.isLinux then "yes" else "no"}"
+    "i_cv_signed_size_t=no"
+    "i_cv_signed_time_t=yes"
+    "i_cv_c99_vsnprintf=yes"
+    "lib_cv_va_copy=yes"
+    "i_cv_mmap_plays_with_write=yes"
+    "i_cv_gmtime_max_time_t=${toString stdenv.hostPlatform.parsed.cpu.bits}"
+    "i_cv_signed_time_t=yes"
+    "i_cv_fd_passing=yes"
+    "lib_cv_va_copy=yes"
+    "lib_cv___va_copy=yes"
+    "lib_cv_va_val_copy=yes"
   ] ++ lib.optional (stdenv.isLinux) "--with-systemdsystemunitdir=$(out)/etc/systemd/system"
     ++ lib.optional (stdenv.isDarwin) "--enable-static"
     ++ lib.optional withMySQL "--with-mysql"