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Re: [PATCH] [WIP] Port feature/native-comp to Windows.

From: Andrea Corallo
Subject: Re: [PATCH] [WIP] Port feature/native-comp to Windows.
Date: Sun, 10 May 2020 11:23:37 -0700
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

Nicolas Bértolo <address@hidden> writes:

>> It should be possible to use recent entry points but only with a
>> fallback.  This unless we see there's really no other option and we
>> accept the trade off.
> We can fallback to the full set of default libs if we can not use the
> "-nodefaultlibs" and "-l" options. But the key part of the patch is to set the
> "-B" flag. It does not seem like we can use
> gcc_jit_context_add_command_line_option instead of
> gcc_jit_context_add_driver_option to pass "-B".

Yep, AFAIR gcc_jit_context_add_command_line_option is for the compiler
only (that's the reason I added gcc_jit_context_add_driver_option).

> This means that we would need to use setenv() to define GCC_EXEC_PREFIX before
> calling libgccjit, right?

Sounds like an options for this specific problem but I still have to
understand the whole.

>> For the rest I do not have Windows knowledge so to form an opinion I'd
>> need to understand a little more how it works.  In case you have some
>> reference to recommend please feel free to suggest.
> Regarding the CRT part this is what I read to understand why I needed to add 
> so
> many libraries:
> https://support.microsoft.com/en-us/help/94248/how-to-use-the-c-run-time



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