Enable the build command override the .DSC file contents to enable debug output and specify which debug messages are displayed.  An example: 

build  -a IA32  -a X64  -t VS2008x86  -p AppPkg/AppPkg.dsc  -b DEBUG   -D DEBUG_ENABLE_OUTPUT=TRUE   -D DEBUG_PROPERTY_MASK=0x27   -D DEBUG_PRINT_ERROR_LEVEL=0xFCF00040

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-by: Daryl McDaniel <daryl.mcdaniel@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14859 6f19259b-4bc3-4df7-8a09-765794883524
Fixed one typo in MathRShiftU64.S stub implementation; Add one digest algorithm registration to make sure the underlying algorithm is available for the default OpenSSL software PRNG implementation. 

Signed-off-by: Long, Qin <qin.long@intel.com>
Reviewed-by: Fu, Siyuan <siyuan.fu@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14860 6f19259b-4bc3-4df7-8a09-765794883524
MdeModulePkg Pcd: Refine the code to avoid error report.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14861 6f19259b-4bc3-4df7-8a09-765794883524
Fix a bug about iSCSI initiator(based on NetworkPkg-IPv4 network stack) cannot reinstate session with Windows iSCSI target.

Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com >
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Jin Eric <eric.jin@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14862 6f19259b-4bc3-4df7-8a09-765794883524
MdeModulePkg/UsbBus: Stop parsing descriptor if some of descriptor fields are invalid.

Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14863 6f19259b-4bc3-4df7-8a09-765794883524
Merge branch 'master' of https://github.com/tianocore/edk2