Add HAVE_PTHREAD to makefiles with support from configure and use it to
determine whether to build examples/ParallelJIT.
Patch by Anton Korobeynikov.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32054 91177308-0d34-0410-b5e6-96231b3b80d8
1. Capture the ENABLE_THREADS configure variable in Makefile.config
2. Use ENABLE_THREADS to avoid building ParallelJIT if threads are not
present.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28609 91177308-0d34-0410-b5e6-96231b3b80d8
Add an example program that utilizes multiple threads in the JIT to process
work. This was used by Evan Jones as the original test case for ensuring
that the ExecutionEngine was thread safe.
Original source by Evan Jones (adapted from other LLVM JIT examples) and
made LLVM style compliant by Reid Spencer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22411 91177308-0d34-0410-b5e6-96231b3b80d8
