do the following:
	1) Determine their default values without $HOME
	2) Configure the default values as full absolute pathnames.
This should help fix the nightly test builds.

llvm-svn: 6719

of the llvm source directory.
The main modification was to add new environment variables: one set for llvm
entities and another set for source entities current being compiled.
This should make the Makefile more flexible and easier to understand as each
environment variable only does one thing.

llvm-svn: 6679

llvm-svn: 6432

llvm-svn: 6418

llvm-svn: 6416

llvm-svn: 6409

Fixed the LibInstDir macro.
Added the use of the FLEX variable.

llvm-svn: 6405

llvm-svn: 6402

llvm-svn: 6238

Fix several bugs in the build system, including the use of the Debug version of Burg no matter what configuration is currently configured.

llvm-svn: 5744

llvm-svn: 5600

llvm-svn: 5551

llvm-svn: 5547

llvm-svn: 5449

llvm-svn: 5410

llvm-svn: 5396

output upon make clean

llvm-svn: 5347

llvm-svn: 5342

llvm-svn: 5332

is needed on BSD (MacOS).
Also, use -Ldir instead of -L dir on the link line.  Same reason...

llvm-svn: 5068

core.### where ### is the process ID. We use core.[0-9][0-9]* to avoid killing
core.c, core.cpp, and core.h files which may be part of benchmarks.

llvm-svn: 4913

llvm-svn: 4542

llvm-svn: 4370

llvm-svn: 4278

llvm-svn: 4264

llvm-svn: 4262

llvm-svn: 4236

llvm-svn: 4175

llvm-svn: 4172

llvm-svn: 3918

* Build burg as a utility now, change its location
* Clean up other rules

llvm-svn: 3876

llvm-svn: 3865

for different architectures.

llvm-svn: 3862

into a Profile/ directory to keep them separate from the Debug/ and
Release/ versions.  Also, it turns on ENABLE_OPTIMIZED automatically.

llvm-svn: 3854

it no longer needs to be configured.

llvm-svn: 3828

turn off stripping for any executable.

llvm-svn: 3812

llvm-svn: 3810

llvm-svn: 3807

llvm-svn: 3796

llvm-svn: 3794