Re: Building the latest master GCC using msys2.

LIU Hao via Gcc-help <gcc-help@xxxxxxxxxxx> · Tue, 19 Mar 2024 17:24:47 +0800

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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