Summary: Force use of undefined macros to be and error.
Reviewed-by: dholmes, mikael

Summary: Phase 1 is removing '_g' support from the Makefiles.
Reviewed-by: dcubed, sspitsyn, coleenp, tbell
Contributed-by: ron.durbin@oracle.com

Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp

Summary: Add -fpch-deps flag to gcc builds
Reviewed-by: kamg, coleenp
Contributed-by: volker.simonis@gmail.com

Reviewed-by: dholmes, ohrstrom, ohair, jcoomes

Summary: Cleaned up make variables for compilers and linker to consistently use CXX for C++ compiler, CC for C compiler and LD for linker.
Reviewed-by: dholmes, ohrstrom

Summary: Changed the conditional to see if the precompiled header has been specified. Also, removed the unused PrecompiledOption.
Reviewed-by: dholmes, brutisso

Summary: Moved precompiled.hpp to src/share/vm/precompiled
Reviewed-by: coleenp, dholmes
Contributed-by: Nrbackman <rickard.backman@oracle.com>

Summary: Added an ifndef DONT_USE_PRECOMPILED_HEADER to precompiled.hpp. Set up DONT_USE_PRECOMPILED_HEADER when compiling with Sun Studio or when the user specifies USE_PRECOMPILED_HEADER=0. Fixed broken include dependencies.
Reviewed-by: coleenp, kvn

Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Summary: Moved makefiles out of build and build/closed into make/
Reviewed-by: kvn, ohair