Improve CMakeLists to fix MacOS build

CMakeLists.txt

@@ -5,7 +5,8 @@ set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules")
 find_package(JSONC REQUIRED)
 find_package(OpenSSL REQUIRED)
 find_package(libwebsockets REQUIRED)
-find_package(ROOT REQUIRED COMPONENTS Net Netx Tree XMLIO)
+find_package(ROOT REQUIRED COMPONENTS Net Netx Tree XMLIO PROOF)
+find_package(zlib REQUIRED)
 foreach(FEATURE xrootd xml)
   if(NOT ROOT_${FEATURE}_FOUND)
     message(FATAL_ERROR "ROOT was built without ${FEATURE} support (required)")
@@ -43,7 +44,7 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 include_directories(${LIBNAME} ${OPENSSL_INCLUDE_DIR})
 ROOT_GENERATE_DICTIONARY(G__${LIBNAME} "${HDRS}" LINKDEF LinkDef.h)
 add_library(${LIBNAME} SHARED "${SRCS}" G__${LIBNAME}.cxx)
-target_link_libraries(${LIBNAME} ${ROOT_LIBRARIES} json-c websockets)
+target_link_libraries(${LIBNAME} ${ROOT_LIBRARIES} json-c websockets ${OPENSSL_LIBRARIES} ${ZLIB_LIBRARIES})
 
 install(TARGETS ${LIBNAME} LIBRARY DESTINATION lib)
 install(FILES ${PROJECT_BINARY_DIR}/lib${LIBNAME}.rootmap DESTINATION lib)