Re: Building the latest master GCC using msys2.

[LIU Hao <lh_mouse@126.com>]

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在 2024-03-17 01:53, peter0x44 via Gcc-help 写道:
> I tried without passing any sysroot, and with --sysroot=/mingw64.
> There appears to be no directory named "mingw" present on the root.
> There is only "mingw64", "mingw32", "ucrt64", etc.
> 
> Does anyone know what I'm doing wrong? Is there something I don't understand about the purpose of 
> --with-sysroot?

Please clone this repo:

   https://github.com/lhmouse/MINGW-packages/

and use these commands to build GCC:

   cd MINGW-packages/mingw-w64-gcc
   MINGW_ARCH=mingw64 makepkg-mingw


If you omit `MINGW_ARCH` it builds for all architectures. You may specify multiple architectures so 
they are built one by one, like

   MINGW_ARCH='mingw64 ucrt64' makepkg-mingw

---

If you need to build the master branch, change

   _branch=releases/gcc-13

to

   _branch=master


However some patches may no longer apply. You may need to cd into the `src` directory, apply those 
patches with `git am -3`, resolve any conflicts, commit the result with `git am --continue`, 
re-create patches with `git format-patch`, copy them back, then update checksums with `updpkgsums`...


-- 
Best regards,
LIU Hao


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