#EDK2BASE = /usr/local/edk2
# Below file defines TARGET (RELEASE or DEBUG) and TOOL_CHAIN_TAG (GCC44, GCC45, or GCC46)
#EDK2BASE = /usr/local/edk2
# Below file defines TARGET (RELEASE or DEBUG) and TOOL_CHAIN_TAG (GCC44, GCC45, or GCC46)
CFLAGS = $(OPTIMFLAGS) -g -fshort-wchar -fno-stack-protector $(DEBUGFLAGS) -c -DHOST_EFI_EDK2 -D__MAKEWITH_TIANO
#CFLAGS = $(OPTIMFLAGS) -g -fshort-wchar -fno-stack-protector $(DEBUGFLAGS) -c -include AutoGen.h -DHOST_EFI_EDK2
CFLAGS = $(OPTIMFLAGS) -g -fshort-wchar -fno-stack-protector $(DEBUGFLAGS) -c -DHOST_EFI_EDK2 -D__MAKEWITH_TIANO
#CFLAGS = $(OPTIMFLAGS) -g -fshort-wchar -fno-stack-protector $(DEBUGFLAGS) -c -include AutoGen.h -DHOST_EFI_EDK2
-prefix = /usr/bin/
-CC = $(prefix)gcc
-AS = $(prefix)as
-LD = $(prefix)ld
-AR = $(prefix)ar
-RANLIB = $(prefix)ranlib
-OBJCOPY = $(prefix)objcopy
-GENFW = $(EDK2BASE)/BaseTools/Source/C/bin/GenFw
+prefix ?= /usr/bin/
+CC ?= $(prefix)gcc
+AS ?= $(prefix)as
+LD ?= $(prefix)ld
+AR ?= $(prefix)ar
+RANLIB ?= $(prefix)ranlib
+OBJCOPY ?= $(prefix)objcopy
+GENFW ?= $(EDK2BASE)/BaseTools/Source/C/bin/GenFw