From d1de45ad619be065294fdd9692a268ea1863b083 Mon Sep 17 00:00:00 2001
From: Sandro <sandro.jaeckel@gmail.com>
Date: Tue, 3 Nov 2020 00:52:05 +0100
Subject: [PATCH] fluent-bit: fix build on darwin

---
 pkgs/tools/misc/fluent-bit/default.nix             |  2 ++
 pkgs/tools/misc/fluent-bit/fix-luajit-darwin.patch | 14 ++++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 pkgs/tools/misc/fluent-bit/fix-luajit-darwin.patch

diff --git a/pkgs/tools/misc/fluent-bit/default.nix b/pkgs/tools/misc/fluent-bit/default.nix
index 51b58a8102d..0f67ab84d44 100644
--- a/pkgs/tools/misc/fluent-bit/default.nix
+++ b/pkgs/tools/misc/fluent-bit/default.nix
@@ -13,6 +13,8 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake flex bison ];
 
+  patches = [ ./fix-luajit-darwin.patch ];
+
   postPatch = ''
     substituteInPlace src/CMakeLists.txt \
       --replace /lib/systemd $out/lib/systemd
diff --git a/pkgs/tools/misc/fluent-bit/fix-luajit-darwin.patch b/pkgs/tools/misc/fluent-bit/fix-luajit-darwin.patch
new file mode 100644
index 00000000000..21d9c21f5b9
--- /dev/null
+++ b/pkgs/tools/misc/fluent-bit/fix-luajit-darwin.patch
@@ -0,0 +1,14 @@
+diff -Naur fluent-bit.old/cmake/luajit.cmake fluent-bit.new/cmake/luajit.cmake
+--- fluent-bit.old/cmake/luajit.cmake
++++ fluent-bit.new/cmake/luajit.cmake
+@@ -11,10 +11,6 @@
+ set(LUAJIT_SRC ${CMAKE_CURRENT_SOURCE_DIR}/${FLB_PATH_LIB_LUAJIT})
+ set(LUAJIT_DEST ${CMAKE_CURRENT_BINARY_DIR})
+ 
+-if (CMAKE_SYSTEM_NAME MATCHES "Darwin")
+-  set(CFLAGS "${CFLAGS} -isysroot ${CMAKE_OSX_SYSROOT}")
+-endif()
+-
+ # luajit (UNIX)
+ # =============
+ ExternalProject_Add(luajit