C++ module example

main.cc

import speech;

#include <iostream>

int main() {
  std::cout << get_phrase() << std::endl;
}

Makefile

CPPFLAGS = -std=c++1z -fmodules-ts

ALL: main

main: speech.o main.cc
	clang++ $(CPPFLAGS) -fprebuilt-module-path=. -o $@ $^

speech.o: speech.pcm
	clang++ $(CPPFLAGS) -o $@ -c $<

speech.pcm: speech.cppm
	clang++ $(CPPFLAGS) --precompile -o $@ $<

clean:
	rm -rf *.pcm *.o main

speech.cppm

export module speech;

export const char* get_phrase() {
  return "Hello, world!";
}