mips64-linux multilib vs -B mips64-linux/lib32/

[Guido Guenther <agx at sigxcpu dot org>]

Hi,
when trying to build a cross mips64-linux-gcc like:
  ../gcc-cvs/configure --target=mips64-linux --enable-languages='c,c++'
I'm running into the problem that the link for libgcc_s_32.so and
libgcc_s_64.so (as well as libstdc++ among others) always get passed a
 -B/var/scratch/toolchain//cross-mips64-linux/mips64-linux/lib/
(always picking up the o32 glibc). This is wrong for n32 and n64 which
should have lib32/ and lib64/ respectively. I can hack around this in
gcc/mklibgcc.in and other places but maybe somebody can point me at the
right place to fix this.
Regards,
 -- Guido

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