autoconf directory, but these paths need to be relative to the main
source directory. Patch originally by Dan Gohman, r67655.
Also, cause configure.ac to find absolute paths to LLVM source and
object trees. Together, fixes PR1220.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121645 91177308-0d34-0410-b5e6-96231b3b80d8
directories if it can't find them. Then, replace those values into the
configure.ac script and pass them to the LLVM_CONFIG_PROJECT so that the
values become the default for llvm_src and llvm_obj variables. In this way
the user is required to input this exactly once, and the scripts take it
from there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27798 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the auxilliary directory be llvm/autoconf not the project's
* Use the LLVM_CONFIG_PROJECT macro to get the --with-llvm{src,obj} args
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20310 91177308-0d34-0410-b5e6-96231b3b80d8
