--- cmake/nlohmann-json.cmake.orig	2024-05-23 11:23:51 UTC
+++ cmake/nlohmann-json.cmake
@@ -1,21 +1,7 @@
-include(ExternalProject)
-
-ExternalProject_Add(nlohmann-json-project
-        DOWNLOAD_DIR "${CMAKE_SOURCE_DIR}/deps/nlohmann/nlohmann"
-        DOWNLOAD_NAME json.hpp
-        DOWNLOAD_NO_EXTRACT 1
-        URL https://github.com/nlohmann/json/releases/download/v3.11.3/json.hpp
-        URL_HASH SHA256=9bea4c8066ef4a1c206b2be5a36302f8926f7fdc6087af5d20b417d0cf103ea6
-        CMAKE_COMMAND true
-        BUILD_COMMAND true
-        INSTALL_COMMAND true
-)
-
 # Create nlohmann-json imported library
 add_library(nlohmann-json INTERFACE IMPORTED)
-file(MAKE_DIRECTORY ${CMAKE_SOURCE_DIR}/deps/nlohmann)  # Must exist.
 set_target_properties(nlohmann-json PROPERTIES
         INTERFACE_COMPILE_OPTIONS "\$<\$<CXX_COMPILER_ID:MSVC>:/permissive->"
-        INTERFACE_SYSTEM_INCLUDE_DIRECTORIES  ${CMAKE_SOURCE_DIR}/deps/nlohmann
-        INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_SOURCE_DIR}/deps/nlohmann)
-add_dependencies(nlohmann-json nlohmann-json-project)
\ No newline at end of file
+        INTERFACE_SYSTEM_INCLUDE_DIRECTORIES  ${NLOHMANN_JSON_INCLUDE_DIR}
+        INTERFACE_INCLUDE_DIRECTORIES ${NLOHMANN_JSON_INCLUDE_DIR})
+add_dependencies(nlohmann-json nlohmann-json-project)