[Bug bootstrap/109188] Building genmodes under MinGW-W64/MSYS2 fails due to undefined HOST_EXTRA_OBJS_SYMBOL

[jdx at o2 dot pl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109188

--- Comment #5 from Jan Dubiec <jdx at o2 dot pl> ---
I forgot to mention it in the first message – at least h8300-elf and mips-elf
are also affected. I have just even tried to build native compiler and,
strangely, it has the same issue.