Remove BFD_ARCH and OBJ_FORMAT from minoca.mk.

These variables were used when we were creating .o files with binary
contents in them. Now that we use the assembler's .incbin directive, these
parameters to objcopy are no longer used.

minoca.mk

@@ -49,20 +49,11 @@ endif
 BUILD_ARCH = $(shell uname -m)
 ifeq ($(BUILD_ARCH), $(filter i686 i586,$(BUILD_ARCH)))
 BUILD_ARCH := x86
-BUILD_BFD_ARCH := i386
-BUILD_OBJ_FORMAT := elf32-i386
-ifeq ($(OS),Windows_NT)
-BUILD_OBJ_FORMAT := pe-i386
-endif
 
 else ifeq ($(BUILD_ARCH), $(filter armv7 armv6,$(BUILD_ARCH)))
-BUILD_BFD_ARCH := arm
-BUILD_OBJ_FORMAT := elf32-littlearm
 
 else ifeq ($(BUILD_ARCH), $(filter x86_64 amd64,$(BUILD_ARCH)))
 BUILD_ARCH := x64
-BUILD_OBJ_FORMAT := elf64-x86-64
-BUILD_BFD_ARCH := i386
 else
 $(error Unknown architecture $(BUILD_ARCH))
 endif
@@ -156,8 +147,6 @@ CC := i686-pc-minoca-gcc
 AR := i686-pc-minoca-ar
 OBJCOPY := i686-pc-minoca-objcopy
 STRIP := i686-pc-minoca-strip
-BFD_ARCH := i386
-OBJ_FORMAT := elf32-i386
 
 endif
 
@@ -167,8 +156,6 @@ AR := i586-pc-minoca-ar
 OBJCOPY := i586-pc-minoca-objcopy
 STRIP := i586-pc-minoca-strip
 RCC := windres
-BFD_ARCH := i386
-OBJ_FORMAT := elf32-i386
 endif
 
 ifeq (x64, $(ARCH))
@@ -176,8 +163,6 @@ CC := x86_64-pc-minoca-gcc
 AR := x86_64-pc-minoca-ar
 OBJCOPY := x86_64-pc-minoca-objcopy
 STRIP := x86_64-pc-minoca-strip
-BFD_ARCH := x86-64
-OBJ_FORMAT := elf64-x86-64
 endif
 
 ifeq (armv7, $(ARCH))
@@ -185,8 +170,6 @@ CC := arm-none-minoca-gcc
 AR := arm-none-minoca-ar
 OBJCOPY := arm-none-minoca-objcopy
 STRIP := arm-none-minoca-strip
-BFD_ARCH := arm
-OBJ_FORMAT := elf32-littlearm
 endif
 
 ifeq (armv6, $(ARCH))
@@ -194,8 +177,6 @@ CC := arm-none-minoca-gcc
 AR := arm-none-minoca-ar
 OBJCOPY := arm-none-minoca-objcopy
 STRIP := arm-none-minoca-strip
-BFD_ARCH := arm
-OBJ_FORMAT := elf32-littlearm
 endif
 
 ##
@@ -371,8 +352,6 @@ override CC = $(CC_FOR_BUILD)
 override AR = $(AR_FOR_BUILD)
 override STRIP = $(STRIP_FOR_BUILD)
 override CFLAGS = -Wall -Werror -O1
-override BFD_ARCH = $(BUILD_BFD_ARCH)
-override OBJ_FORMAT = $(BUILD_OBJ_FORMAT)
 ifeq ($(DEBUG),rel)
 override CFLAGS += -Wno-unused-but-set-variable
 endif