From 543b131907aa8f635cb579661d621126aa62c8de Mon Sep 17 00:00:00 2001
From: Daniel Schaefer <git@danielschaefer.me>
Date: Wed, 26 Jun 2019 22:03:40 +0200
Subject: [PATCH] zoneminder: Fix linking issue

---
 pkgs/servers/zoneminder/default.nix           |  2 ++
 pkgs/servers/zoneminder/link-with-libdl.patch | 17 +++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 pkgs/servers/zoneminder/link-with-libdl.patch

diff --git a/pkgs/servers/zoneminder/default.nix b/pkgs/servers/zoneminder/default.nix
index 9c1e3ffe0b71..5a052df9e0a5 100644
--- a/pkgs/servers/zoneminder/default.nix
+++ b/pkgs/servers/zoneminder/default.nix
@@ -89,6 +89,8 @@ in stdenv.mkDerivation rec {
 
   patches = [
     ./default-to-http-1dot1.patch
+    # Explicitly link with dynamic linking library to fix build
+    ./link-with-libdl.patch
   ];
 
   postPatch = ''
diff --git a/pkgs/servers/zoneminder/link-with-libdl.patch b/pkgs/servers/zoneminder/link-with-libdl.patch
new file mode 100644
index 000000000000..53aaf9b25f7d
--- /dev/null
+++ b/pkgs/servers/zoneminder/link-with-libdl.patch
@@ -0,0 +1,17 @@
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -20,10 +20,10 @@ add_executable(zms zms.cpp)
+ include_directories(libbcrypt/include/bcrypt)
+ include_directories(jwt-cpp/include/jwt-cpp)
+
+-target_link_libraries(zmc zm ${ZM_EXTRA_LIBS} ${ZM_BIN_LIBS})
+-target_link_libraries(zma zm ${ZM_EXTRA_LIBS} ${ZM_BIN_LIBS})
+-target_link_libraries(zmu zm ${ZM_EXTRA_LIBS} ${ZM_BIN_LIBS})
+-target_link_libraries(zms zm ${ZM_EXTRA_LIBS} ${ZM_BIN_LIBS})
++target_link_libraries(zmc zm ${ZM_EXTRA_LIBS} ${ZM_BIN_LIBS} ${CMAKE_DL_LIBS})
++target_link_libraries(zma zm ${ZM_EXTRA_LIBS} ${ZM_BIN_LIBS} ${CMAKE_DL_LIBS})
++target_link_libraries(zmu zm ${ZM_EXTRA_LIBS} ${ZM_BIN_LIBS} ${CMAKE_DL_LIBS})
++target_link_libraries(zms zm ${ZM_EXTRA_LIBS} ${ZM_BIN_LIBS} ${CMAKE_DL_LIBS})
+
+ # Generate man files for the binaries destined for the bin folder
+ FOREACH(CBINARY zma zmc zmu)