Manually link the module instead of relying on CMake for now

Author: mikomikotaishi

docpages/example_code/CMakeLists.txt

@@ -38,6 +38,13 @@ option(DPP_MODULES "Build examples with C++20 modules support" ON)
 set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DDPP_CORO -std=c++20 -pthread -O0 -fPIC -DFMT_HEADER_ONLY -Wall -Wextra -Wpedantic -Werror -Wno-unused-parameter -Wno-deprecated-declarations")
 set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
 
+# Create gcm.cache directory and symlink to the main build's dpp.gcm
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+	file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/gcm.cache")
+	file(CREATE_LINK "${CMAKE_SOURCE_DIR}/../../build/library/CMakeFiles/dpp.dir/dpp.gcm"
+		"${CMAKE_BINARY_DIR}/gcm.cache/dpp.gcm" SYMBOLIC)
+endif()
+
 file(GLOB example_list ./*.cpp)
 foreach (example ${example_list})
 	get_filename_component(examplename ${example} NAME)
@@ -53,6 +60,10 @@ foreach (example ${example_list})
 	if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
 		target_compile_options(${examplename}_out PRIVATE -fmodules-ts)
 	elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-		target_compile_options(${examplename}_out PRIVATE -fmodules)
+		target_compile_options(${examplename}_out PRIVATE 
+			-fmodules
+			-mavx2
+			-fprebuilt-module-path=${CMAKE_SOURCE_DIR}/../../build/library/CMakeFiles/dpp.dir
+		)
 	endif()
 endforeach(example)

docpages/example_code/using_modules.cpp

@@ -1,3 +1,6 @@
+#include <string>
+#include <typeinfo>
+
 import dpp;
 
 int main() {
@@ -9,7 +12,7 @@ int main() {
 		}
 	});
 
-	bot.on_ready([&bot](const std::ready_t& event) -> void {
+	bot.on_ready([&bot](const dpp::ready_t& event) -> void {
 		if (dpp::run_once<struct register_bot_commands>()) {
 			bot.global_command_create(
 				dpp::slashcommand("ping", "Ping pong!", bot.me.id)

library/CMakeLists.txt

@@ -461,7 +461,9 @@ endif()
 
 if (DPP_MODULES)
 	message("-- ${Green}Modules are enabled!${ColourReset}")
-	
+
+	set_target_properties(dpp PROPERTIES CXX_EXTENSIONS OFF)
+
 	# Add module file set directly to the dpp target
 	target_sources(dpp
 		PUBLIC
@@ -500,7 +502,7 @@ if (DPP_BUILD_TEST)
 				elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
 					target_compile_options(${testname} PRIVATE -fmodules)
 				endif()
-				set_target_properties(${testname} PROPERTIES CXX_SCAN_FOR_MODULES ON)
+				set_target_properties(${testname} PROPERTIES CXX_SCAN_FOR_MODULES ON CXX_EXTENSIONS OFF)
 			elseif(BUILD_SHARED_LIBS)
 				target_link_libraries(${testname} PUBLIC ${modname})
 			else()