Xmake Version

v2.7.6 20230213

Operating System Version and Architecture

Ubuntu 22.04.1 LTS

Describe Bug

I'm unable to use C modules in a project that uses generated headers, getting a "no such file or directory" error during "generating.module.deps".

Expected Behavior

Project generates code and compiles successfully

Project Configuration

This can easily be reproduced by adding a mpp file to xmake/tests/projects/c /protobuf.

hello.mpp

#include <iostream>
#include "test.pb.h"
#include "subdir/test2.pb.h"

using namespace std;

int main(int argc, char** argv)
{
    cout << "hello world!" << endl;
    return 0;
}

and in xmake.lua add the file to the test target and change language to c 20:

add_rules("mode.debug", "mode.release")
add_requires("protobuf-cpp")

target("test")
    set_kind("binary")
    set_languages("c  20")
    add_packages("protobuf-cpp")
    add_rules("protobuf.cpp")
    add_files("src/*.cpp")
    add_files("src/**.proto", {proto_rootdir = "src"})
    add_files("src/*.mpp")

When running xmake I get the following:

$ xmake
[  0%]: generating.module.deps src/main.cpp
error: src/main.cpp:2:10: fatal error: test.pb.h: No such file or directory
    2 | #include "test.pb.h"
      |          ^~~~~~~~~~~
compilation terminated.

Additional Information and Error Logs

No response