Example Driver Makefile

#!/bin/sh -e

MODULE_NAME := TEST_MODULE
SOURCE_FOLDER := $(shell pwd)
VMWARE_FOLDER ?= /root/vmware-esxi-5.0

# Use ld from binutils-2.17.50.0.15-modcall
LD := $(VMWARE_FOLDER)/toolchain/lin32/binutils-2.17.50.0.15-modcall/bin/x86_64-linux-ld

# Use gcc version 4.1.2-9
CC := $(VMWARE_FOLDER)/toolchain/lin32/gcc-4.1.2-9/bin/x86_64-linux-gcc

CC_FLAGS_DEFAULT ?= -Wall -Werror -O2

CC_FLAGS := \
	$(CC_FLAGS_DEFAULT) \
	-fwrapv -fno-working-directory -g -ggdb3 -fno-strict-aliasing \
	-Wstrict-prototypes -fPIE -falign-functions=4 \
	-falign-jumps=4 -falign-loops=4 -ffreestanding -fno-common \
	-fno-omit-frame-pointer -fno-strength-reduce -march=x86-64 \
	-mcmodel=small -minline-all-stringops -mno-red-zone -nostartfiles \
	-nostdlib --sysroot=/nowhere -Wno-error -Wdeclaration-after-statement \
	-Wno-unused-value -Wno-pointer-sign -Wno-strict-prototypes \
	-Wno-declaration-after-statement -Wno-declaration-after-statement \
	-DCONFIG_COMPAT -DCONFIG_PROC_FS -DCPU=x86-64 -DDEBUG_STUB \
	-DESX3_NETWORKING_NOT_DONE_YET -DGPLED_CODE -DKBUILD_MODNAME=\"${MODULE_NAME}\" \
	-DLINUX_MODULE_AUX_HEAP_NAME=vmklnx_${MODULE_NAME} -DLINUX_MODULE_HEAP_INITIAL=1024*100 \
	-DLINUX_MODULE_HEAP_MAX=1024*4096 -DLINUX_MODULE_HEAP_NAME=vmklnx_${MODULE_NAME} \
	-DLINUX_MODULE_SKB_HEAP -DLINUX_MODULE_SKB_HEAP_INITIAL=512*1024 \
	-DLINUX_MODULE_SKB_HEAP_MAX=22*1024*1024 \
	-DMODULE -DNET_DRIVER -DVMKERNEL_MODULE -DVMK_DEVKIT_HAS_API_VMKAPI_BASE \
	-DVMK_DEVKIT_HAS_API_VMKAPI_DEVICE -DVMK_DEVKIT_HAS_API_VMKAPI_ISCSI \
	-DVMK_DEVKIT_HAS_API_VMKAPI_NET -DVMK_DEVKIT_HAS_API_VMKAPI_SCSI \
	-DVMK_DEVKIT_IS_DDK -DVMK_DEVKIT_USES_BINARY_COMPATIBLE_APIS \
	-DVMK_DEVKIT_USES_PUBLIC_APIS -DVMNIX -DVMX86_RELEASE -DVMX86_SERVER \
	-DVMX86_VPROBES -D_LINUX -D__KERNEL__ -D__VMKERNEL_MODULE__ -D__VMKERNEL__ \
	-D__VMKLNX__ -D__VMK_GCC_BUG_ALIGNMENT_PADDING__ -D__VMWARE__ \
	-I$(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/BLD/build/version \
	-I$(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/BLD/build/HEADERS/vmkdrivers-vmkernel/vmkernel64/release \
	-I$(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/vmkdrivers/src_9/include \
	-I$(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/vmkdrivers/src_9/include/vmklinux_9 \
	-I$(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/BLD/build/HEADERS/CUR-9-vmkdrivers-asm-x64/vmkernel64/release \
	-I$(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/vmkdrivers/src_9/drivers/net \
	-I$(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/BLD/build/HEADERS/vmkapi-current-all-public-bincomp/vmkernel64/release \
	-include $(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/bora/vmkernel/distribute/push-hidden.h \
	-include $(VMWARE_FOLDER)/vsphere/vmkdrivers-gpl/vmkdrivers/src_9/include/linux/autoconf.h

OBJS :=  \
	main.o           \
	vmklinux_module.o

# Makefile Outputs
REBUILDABLES := $(OBJS) $(MODULE_NAME)

all : $(MODULE_NAME)

clean :
	rm -f $(REBUILDABLES)

# Module Link Target (Link)
# $@ expands to the rule's target.
# $^ expands to the rule's dependencies.
$(MODULE_NAME) : $(OBJS)
	@echo [Linking]: $^
	@$(LD) -v -r -o $@ --whole-archive $^
	@echo [Stripping symbols]: $@ $@.debug
	@objcopy --only-keep-debug $@ $@.debug
	@objcopy --strip-debug $@

# # Module Build Target (Compile)
# Here is a Pattern Rule, often used for compile-line.
# It says how to create a file with a .o suffix, given a file with a .c suffix.
# The rule's command uses some built-in Make Macros:
# $@ for the pattern-matched target
# $< for the pattern-matched dependency
%.o : %.c
	@echo [Compiling]: $<
	@$(CC) $(CC_FLAGS) -c -o $@ $<