paths under MingW.

llvm-svn: 28685

Add support for Graphviz. Patch contributed by Anton Korobeynikov.

llvm-svn: 28684

llvm-svn: 28683

llvm-svn: 28682

llvm-svn: 28681

llvm-svn: 28680

llvm-svn: 28679

llvm-svn: 28678

actually going on.

llvm-svn: 28677

llvm-svn: 28676

llvm-svn: 28675

Have configure find the "dotty" program and adjust configuration.

llvm-svn: 28674

llvm-svn: 28673

llvm-svn: 28672

llvm-svn: 28671

llvm-svn: 28670

If installed, ignore the prefix the tree is configured with: always use the
prefix that llvm-config is currently at, which may be different if the tree
was moved.

llvm-svn: 28669

when run out of a build directory.

llvm-svn: 28668

llvm-svn: 28667

llvm-svn: 28666

llvm-svn: 28665

llvm-svn: 28664

llvm-svn: 28663

llvm-svn: 28662

llvm-svn: 28661

to link in the implementation.  Thanks to Anton Korobeynikov for figuring out
what was going on here.

llvm-svn: 28660

by our illustrious project leader.

llvm-svn: 28659

llvm-svn: 28658

llvm-svn: 28657

llvm-svn: 28656

llvm-svn: 28655

for the "build with one prefix and move the installed files to another dir"
problem.

llvm-svn: 28654

llvm-svn: 28653

llvm-svn: 28652

configuration settled down.

llvm-svn: 28651

llvm-svn: 28650

llvm-svn: 28649

llvm-svn: 28648

llvm-svn: 28647

llvm-svn: 28646