[llvm-commits] [patch] make bugpoint more config-neutral

[Sandeep Patel]

Have bugpoint track either the first Module's triple or an override
triple (using -mtriple) and use that triple to make runtime behavioral
decisions. The decisions are a direct conversion of the preprocessor
logic, except that IA64 was dropped.

This fixes bugpoint usage to not make target decisions based on host
compiler flags, such as Darwin cross targeting non-Darwin will now not
add Darwin-specific linker flags.

Only one config.h flag use remains and that's HAVE_LINK_R, which
somebody who knows more about what it's for should replace if
possible.

deep
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