clang module 编译出现错误 attempt to concatenate a nil value (local 'bmifile')

[jingyu9575]

Xmake 版本

v2.9.1+HEAD.0c79f6162

操作系统版本和架构

Windows 11 version 23H2

描述问题

使用 clang 编译器和 C++ module 时，编译出现错误：attempt to concatenate a nil value (local 'bmifile')

期待的结果

无错误

工程配置

xmake.lua

target("hello-core")
set_kind("binary")
add_files("src/*.cpp", "src/*.cppm")

src/main.cpp

import test;

int main() {
}

src/test.cppm

module;
export module test;

附加信息和错误日志

xmake f --toolchain=clang

checking for platform ... windows
checking for architecture ... x64

xmake -vD

[  0%]: <hello-core> generating.module.deps src\main.cpp
[  0%]: <hello-core> generating.module.deps src\test.cppm
checking for clang-scan-deps ... ok
clang-scan-deps --format=p1689 -- clang -x c++ -c src\main.cpp -o build\.objs\hello-core\windows\x64\release\src\main.cpp.obj -Qunused-arguments -m64 -fexceptions -fcxx-exceptions
clang-scan-deps --format=p1689 -- clang -x c++ -c src\test.cppm -o build\.objs\hello-core\windows\x64\release\src\test.cppm.obj -Qunused-arguments -m64 -fexceptions -fcxx-exceptions
[ 57%]: <hello-core> compiling.module.release src\test.cppm
checking for flags (clang_module_output) ... ok
> clang "-fmodule-output=" "-Qunused-arguments" "-m64"
error: @programdir\core\main.lua:329: @programdir\actions\build\main.lua:148: @programdir\modules\async\runjobs.lua:322: ...mdir\rules\c++\modules\modules_support\clang\builder.lua:37: attempt to
concatenate a nil value (local 'bmifile')
stack traceback:
    [...mdir\rules\c++\modules\modules_support\clang\builder.lua:37]: in function '_compile_one_step'
    [...mdir\rules\c++\modules\modules_support\clang\builder.lua:259]: in function 'jobfunc'
    [@programdir\modules\async\runjobs.lua:238]:

stack traceback:
        [C]: in function 'error'
        @programdir\core\base\os.lua:973: in function 'base/os.raiselevel'
        (...tail calls...)
        @programdir\core\main.lua:329: in upvalue 'cotask'
        @programdir\core\base\scheduler.lua:406: in function <@programdir\core\base\scheduler.lua:399>

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

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Title: clang module compilation error attempt to concatenate a nil value (local 'bmifile')

[waruqi]

参考下现有 demo

xmake/tests/projects/c++/modules/hello/xmake.lua

Line 2 in ea06f35

set_languages("c++20")

需要 c++20 。你没配置

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

---

Refer to the existing demo

xmake/tests/projects/c++/modules/hello/xmake.lua

Line 2 in ea06f35

set_languages("c++20")

Requires c++20. You didn't configure it

[jingyu9575]

谢谢！就是这个问题，需要set_languages("c++20")

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

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Thanks! This is the problem, you need set_languages("c++20")