For PR633:
Add configure checks for setjmp/longjmp for Chris. I can't believe this easy
PR has been outstanding for so long. If I don't get to something, please
remind me! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28686 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed