cross compile gcc for mipsel

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hello!

i have been going thru some pain cross-compiling gcc for a mipsel platform.

now i have had success using buildroot by adding "--build=$(GNU_HOST_NAME) \" 
to the gcc configure in gcc_target.mk.

this way it still fails at a point where gcc needs limits.h and cant find it. 
i solved this by editing gcc-target/gcc/Makefile and adding the include 
directory of the target, so it reads:

INCLUDES = -I. -I$(@D) -I$(srcdir) -I$(srcdir)/$(@D) \
           -I$(srcdir)/config -I$(srcdir)/../include \
           -I/data/uclibc/buildroot/build/root/usr/include

if anyone knows a better solution, please let me know.

thanks,
bruno
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