[cfe-commits] [patch] Add support for different libstdc++ search path with -m32 and -m64

[Rafael Espindola]

The attached patch adds support for having different search paths for
libstdc++ in -m32 and -m64. The only targets that actually use it so
far are darwin10 (...i686-apple-darwin10/x86_64
 and  ..i686-apple-darwin10) and ubuntu 64 bits (...x86_64-linux-gnu
and ...x86_64-linux-gnu/32). All other target should be unaffected.

It would be very nice if people with other systems could run

gcc -v  -m32 t.cc 2>&1 | sed -n '/^ /p' | sed -n 2,3p
and
gcc -v  -m64 t.cc 2>&1 | sed -n '/^ /p' | sed -n 2,3p

And update the config.

Cheers,
-- 
Rafael Ávila de Espíndola
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