================ @@ -216,51 +198,56 @@ We explain the options in the following sections. How to enable standard C++ modules ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -Currently, standard C++ modules are enabled automatically -if the language standard is ``-std=c++20`` or newer. +Standard C++ modules are enabled automatically if the language standard is +``-std=c++20`` or newer. How to produce a BMI ~~~~~~~~~~~~~~~~~~~~ -We can generate a BMI for an importable module unit by either ``--precompile`` -or ``-fmodule-output`` flags. +To generate a BMI for an importable module unit, use either the ``--precompile`` +or ``-fmodule-output`` command line option. -The ``--precompile`` option generates the BMI as the output of the compilation and the output path -can be specified using the ``-o`` option. +The ``--precompile`` option generates the BMI as the output of the compilation +and the output path can be specified using the ``-o`` option. -The ``-fmodule-output`` option generates the BMI as a by-product of the compilation. -If ``-fmodule-output=`` is specified, the BMI will be emitted the specified location. Then if -``-fmodule-output`` and ``-c`` are specified, the BMI will be emitted in the directory of the -output file with the name of the input file with the new extension ``.pcm``. Otherwise, the BMI -will be emitted in the working directory with the name of the input file with the new extension +The ``-fmodule-output`` option generates the BMI as a by-product of the +compilation. If ``-fmodule-output=`` is specified, the BMI will be emitted to +the specified location. If ``-fmodule-output`` and ``-c`` are specified, the +BMI will be emitted in the directory of the output file with the name of the +input file with the extension ``.pcm``. Otherwise, the BMI will be emitted in +the working directory with the name of the input file with the extension ---------------- ChuanqiXu9 wrote:
e.g, ``` clang++ a.cpp -c -o result/a.o ``` then `.` is the `working directory` and `./result` is the directory of the output file. https://github.com/llvm/llvm-project/pull/90237 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
