Add macOS support #34

cmake/libraries/rocksdb.cmake

@@ -14,6 +14,7 @@ if(PROJECT_ENABLE_ROCKSDB)
       CMAKE_ARGS ${PROJECT_EXTERNAL_CMAKE_FLAGS}
         -DBUILD_SHARED_LIBS=OFF
         -DBUILD_STATIC_LIBS=ON
+        -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
         -DFAIL_ON_WARNINGS=OFF
         -DPORTABLE=1
         -DROCKSDB_BUILD_SHARED=OFF
@@ -32,5 +33,9 @@ if(PROJECT_ENABLE_ROCKSDB)
     )
 
     list(APPEND PROJECT_DEPENDENCIES rocksdb_project)
+
+    if (PROJECT_IS_DARWIN)
+      add_dependencies(rocksdb_project zlib_project)
+    endif()
   endif()
 endif()