Thanks Jonathan. I have C++ code as well in my project, it looks like iwyu is compatible with llvm+clang compiler, any idea it will work with gcc as well? Thanks, -Rajeev On Thu, Jan 18, 2024 at 2:33 PM Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > > > On Wed, 17 Jan 2024, 23:47 Rajeev Bansal via Gcc-help, < > gcc-help@xxxxxxxxxxx> wrote: > >> Hi All, >> >> I am looking for someone help on header file inclusion in C/CPP code. Can >> gcc help me to report the unnecessary inclusion of header files in my >> project? If not what are the other ways I can do it? >> > > No, gcc can't help with this. But there's a clang-based tool for it: > https://include-what-you-use.org/ > > > >