jinghua@mshsrv05:~/git_src/uefi-2.6/uefi$ ./make.sh a8k
Build environment: Linux-3.13.0-24-generic-x86_64-with-Ubuntu-14.04-trusty
Build start time: 17:18:56, Apr.23 2018

WORKSPACE        = /home/jinghua/git_src/uefi-2.6/uefi
ECP_SOURCE       = /home/jinghua/git_src/uefi-2.6/uefi/EdkCompatibilityPkg
EDK_SOURCE       = /home/jinghua/git_src/uefi-2.6/uefi/EdkCompatibilityPkg
EFI_SOURCE       = /home/jinghua/git_src/uefi-2.6/uefi/EdkCompatibilityPkg
EDK_TOOLS_PATH   = /home/jinghua/git_src/uefi-2.6/uefi/BaseTools
CONF_PATH        = /home/jinghua/git_src/uefi-2.6/uefi/Conf


Architecture(s)  = AARCH64
Build target     = DEBUG
Toolchain        = GCC49

Active Platform          = /home/jinghua/git_src/uefi-2.6/uefi/OpenPlatformPkg/Platforms/Marvell/Armada/Armada80x0Db.dsc
Flash Image Definition   = /home/jinghua/git_src/uefi-2.6/uefi/OpenPlatformPkg/Platforms/Marvell/Armada/Armada7k8k.fdf

Processing meta-data ..... done!
Building ... /home/jinghua/git_src/uefi-2.6/uefi/MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf [AARCH64]
gcc: error: unrecognized command line option ‘-mlittle-endian’
gcc: error: unrecognized command line option ‘-mstrict-align’
make: *** [/home/jinghua/git_src/uefi-2.6/uefi/Build/Armada80x0Db-AARCH64/DEBUG_GCC49/AARCH64/MdePkg/Library/BasePcdLibNull/BasePcdLibNull/OUTPUT/PcdLib.obj] Error 1
"gcc"   -g -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -ffunction-sections -fdata-sections -include AutoGen.h -fno-common -DSTRING_ARRAY_NAME=BasePcdLibNullStrings -g -Os -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -include AutoGen.h -fno-common -mlittle-endian -fno-short-enums -fverbose-asm -funsigned-char -ffunction-sections -fdata-sections -Wno-address -fno-asynchronous-unwind-tables -fno-pic -save-temps -O0 -mcmodel=small -mstrict-align -c -o /home/jinghua/git_src/uefi-2.6/uefi/Build/Armada80x0Db-AARCH64/DEBUG_GCC49/AARCH64/MdePkg/Library/BasePcdLibNull/BasePcdLibNull/OUTPUT/./PcdLib.obj -I/home/jinghua/git_src/uefi-2.6/uefi/MdePkg/Library/BasePcdLibNull -I/home/jinghua/git_src/uefi-2.6/uefi/Build/Armada80x0Db-AARCH64/DEBUG_GCC49/AARCH64/MdePkg/Library/BasePcdLibNull/BasePcdLibNull/DEBUG -I/home/jinghua/git_src/uefi-2.6/uefi/MdePkg -I/home/jinghua/git_src/uefi-2.6/uefi/MdePkg/Include -I/home/jinghua/git_src/uefi-2.6/uefi/MdePkg/Include/AArch64 /home/jinghua/git_src/uefi-2.6/uefi/MdePkg/Library/BasePcdLibNull/PcdLib.c


build.py...
 : error 7000: Failed to execute command
        make tbuild [/home/jinghua/git_src/uefi-2.6/uefi/Build/Armada80x0Db-AARCH64/DEBUG_GCC49/AARCH64/MdePkg/Library/BasePcdLibNull/BasePcdLibNull]