RFR: 7903731: Jextract should support macOS frameworks [v6]

[Nizar Benalla]

On Wed, 5 Mar 2025 16:21:16 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> Nizar Benalla has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   -search custom framework dirs
>>   -rename options
>
> src/main/java/org/openjdk/jextract/JextractTool.java line 396:
> 
>> 394:                 Files.lines(compileFlagsTxt).forEach(opt -> {
>> 395:                     builder.addClangArg(opt);
>> 396:                     frameworkDirs.add(opt.substring(2).trim());
> 
> Compile flags can also contain other flags, so we have to explicitly look for `-F` options here for this to work.
> 
> But, I'd also be okay just ignoring the `-F` flags in `compile_flags`. We can tell people to use the builtin `-F`.

I chose to ignore the `-F` flags in `compile_flags`.
The paths passed using the builtin `-F` will be checked first before public/private paths and the MacOs SDK, that way there are "good" defaults and it's simple enough for users to override them

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PR Review Comment: https://git.openjdk.org/jextract/pull/268#discussion_r1983406571