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turned "obj-c++" into "obj" in the langs line.
Update configure script.


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Before there were two problems: (1) configure
turned "obj-c++" into "obj" in the langs line;
(2) the dejagnu library called it objc++ not
obj-c++.
Now the problem is that some of these tests don't
pass!


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runnable on the build machine.

There are a few bits that need built for the build environment (TableGen).
This patch builds those bits, and the associated libraries, for the build
environment as well as the (usual) host environment.

Thanks to Eric C. and Devang P. for pre-commit review.



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support it.


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Patch by Hasso Tepper!


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We will keep the old projects/llvm-test working for existing installs.

The changes to configure are made manually, since I lack autoconf-2.6. Someone
might want to run AutoGen.sh to see if that changes anything.


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Regenerated configure.


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    http://www.gnu.org/software/autoconf/manual/autoconf.html#Generic-Programs



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Regenerate configure with 2.60. 


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put it in a new header System/Host.h instead.
Instead of getting the endianness from configure,
calculate it directly.


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using the minimum possible number of bytes.  For little
endian targets run on little endian machines, apints are
stored in memory from LSB to MSB as before.  For big endian
targets on big endian machines they are stored from MSB to
LSB which wasn't always the case before (if the target and
host endianness doesn't match values are stored according
to the host's endianness).  Doing this requires knowing the
endianness of the host, which is determined when configuring -
thanks go to Anton for this.  Only having access to little
endian machines I was unable to properly test the big endian
part, which is also the most complicated...


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Fix broken default help strings for enable-shared, enable-static, and enable-fast-install. Regenerate configure script.


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