在 2018/11/23 上午7:50, Edward Diener 写道: > There is a bug which in binutils which causes clang targeting > mingw-64/gcc on Windows to create a bad windows executable. The bug is > explained at https://sourceware.org/bugzilla/show_bug.cgi?id=23872 and > is fixed at > https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=73af69e74974eaa155eec89867e3ccc77ab39f6d > > in the binutils-gdb git repository. I understand that part of the blame > for this problem resides with clang, and I have posted a bug report with > clang that is referencing the problem I found, which may be because of > the bug. > > Is it possible for me to replace the binutils executables in the latest > mingw-64 installation I have installed on Windows, which is for gcc-8.1, > with the fixed version ? If so how would I do that working on Windows ? > I do have MSYS2 installed but I do not know how to use it to rebuild the > binutils for a mingw-64 installation, if that is possible, so if anyone > can offer me guidance in doing so it would be appreciated. I am a > knowledgeable C++ programmer so I just need some sort of recipe for > doing this, if it is possible, in order to succeed. > >
If you already have MSYS2 then upgrading its packages is easy: 1. Clone 'https://github.com/Alexpux/MINGW-packages.git'. 2. CD into 'mingw-w64-binutils', where there are a series of patches and a file named 'PKGBUILD'. 3. Save the commit in question as a patch file. 4. Add that patch into 'PKGBUILD'. Note that there are two places where it is expected. The checksum need not be updated. 5. Run `updpkgsums` in an MSYS2 shell to update the checksum for the new patch. 6. Run `makepkg-mingw` in an MSYS2 shell. This builds both mingw32 and mingw64 packages for you. 7. Wait for the build process to finish. There should be sort of 'mingw-w64-{i686,x86_64}-binutils*.tar.xz' in the current directory after the packages are built successfully. 8. Run `pacman -U <SOME.TAR.XZ>' to install these packages. Remember to replace <SOME.TAR.XZ> with the real names of your packages. Wildcards are allowed. -- Best regards, LH_Mouse
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