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Re: master 888ff3755d4 1/3: New function internal--c-header-file-path
From: |
Stefan Kangas |
Subject: |
Re: master 888ff3755d4 1/3: New function internal--c-header-file-path |
Date: |
Mon, 6 Jan 2025 15:44:34 -0600 |
Eli Zaretskii <eliz@gnu.org> writes:
> Stefan,
>
> Thanks for adding this function. However, the method it uses to find
> the include directories is incorrect and unportable. On most systems
> it will produce the default "/usr/include", which is most probably
> wrong.
>
> The way to ask GCC to show the list of directories where it looks for
> header files is like this:
>
> (call-process "gcc" nil BUFFER nil "-v" "-E" "-")
>
> and then look in BUFFER for text that begins with "#include <...>
> search starts here:" and ends with "End of search list." What's
> in-between is the list of include directories, one directory per line,
> which GCC searches for header file, in the order it searches them.
Thanks for helping improve this. How about the attached patch?
0001-Make-internal-c-header-file-path-more-portable.patch
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