zoneminder: Fix linking issue

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 = ''

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)