https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101655

--- Comment #11 from bootmgr at 163 dot com <bootmgr at 163 dot com> ---
(In reply to Andreas Schwab from comment #10)
> In a canadian cross, you don't compile the target libraries.  They are
> already built while building the cross compiler.

Isn't this a bug?
I manually reconfigured libgcc, and it can detect x86_46-w64-mingw32-{gcc,g++}.
But I did not continue to build it.
Why can't the target library be used for Canadian cross?
I have another question. Why can't libgcc,libquadmath,libvtv and libstdc++
detect the CFLAGS,CXXFLAGS or CPPFALGS environment variable when I build cross
compiler?

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