Re: Building Linux x86_64 to AIX PowerPC cross-compiler

[fedor_qd@mail.ru]

Do you build cross binutils before gcc? Check them carefully.
Before build in shell use "export LDFLAGS+= -v " for verbose output.
--
Sent from Outlook Email App for Android аўторак, 14 чэрвеня 2022, 07:28PM +03:00 from Paul Lucas via Gcc-help  gcc-help@gcc.gnu.org :

>Hi there -
>
>I want to build a cross-compiler from Linux x86_64 (host) to AIX PowerPC (target).  Eventually, while building gcc, I get:
>
> collect2: fatal error: libgcc.a: cannot open as COFF file
>
>While Linux uses ELF and AIX uses coff, I would have assumed that the binutils I built for the cross-compiler would have produced a linker that was able to link COFF files.
>
>The configure for binutils was:
>
> configure --disable-gold --prefix=/aix-powerpc --disable-multilib --disable-nls --target=powerpc-ibm-aix7.1.0.0 --with-sysroot=/aix-powerpc --with-arch=powerpc --disable-werror --enable-plugins
>
>where /aix-powerpc contains headers and libraries copied from a live AIX system.
>
>Apparently back in 2016 on this same mailing list:
>
>https://gcc.gnu.org/legacy-ml/gcc-help/2016-10/msg00108.html
>
>somebody was trying to build the same cross-compiler and got the same error.  Unfortunately, there’s no answer there. The only advice given was:
>
> Judicious use of "-v" can help spot calling the wrong linker, linking the wrong libraries, wrong header file include paths, etc.
>
>
>Can anyone perhaps give a _little_ more help?
>
>Thanks.
>
>- Paul
>