#
# Makefile for the Linux kernel device drivers.
#
# Note! Dependencies are done automagically by 'make dep', which also
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (not a .c file).
#
# Note 2! The CFLAGS definitions are now in the main makefile.

SCST_DIR := $(shell pwd)/../scst/src
SUBDIRS := $(shell pwd)

ifeq ($(KVER),)
  ifeq ($(KDIR),)
    KVER = $(shell uname -r)
    KDIR ?= /lib/modules/$(KVER)/build
  else
    KVER = $$KERNELRELEASE
  endif
else
  KDIR ?= /lib/modules/$(KVER)/build
endif

all: Modules.symvers Module.symvers
	$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src modules

install: all src/ib_srpt.ko
	@eval `sed -n 's/#define UTS_RELEASE /KERNELRELEASE=/p' $(KDIR)/include/linux/version.h $(KDIR)/include/linux/utsrelease.h 2>/dev/null`; \
	install -vD -m 644 src/ib_srpt.ko \
	$(DESTDIR)$(INSTALL_MOD_PATH)/lib/modules/$(KVER)/extra/ib_srpt.ko
	-/sbin/depmod -aq $(KVER)

ifneq ($(shell ls $(SCST_DIR)/Modules.symvers 2>/dev/null),)
Modules.symvers: $(SCST_DIR)/Modules.symvers
	(                                                    \
	  cat $(SCST_DIR)/Modules.symvers;                   \
	  if [ -e /usr/src/ofa_kernel/Module.symvers ]; then \
	    cat /usr/src/ofa_kernel/Module.symvers;          \
	  fi                                                 \
	) >src/Modules.symvers
else
.PHONY: Modules.symvers
endif

# The file Modules.symvers has been renamed in the 2.6.18 kernel to
# Module.symvers.
ifneq ($(shell ls $(SCST_DIR)/Module.symvers 2>/dev/null),)
Module.symvers: $(SCST_DIR)/Module.symvers
	(                                                    \
	  cat $(SCST_DIR)/Module.symvers;                    \
	  if [ -e /usr/src/ofa_kernel/Module.symvers ]; then \
	    cat /usr/src/ofa_kernel/Module.symvers;          \
	  fi                                                 \
	) >src/Module.symvers
else
.PHONY: Module.symvers
endif

clean:
	$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src clean
	rm -f src/Modules.symvers src/Module.symvers src/Module.markers \
		src/modules.order

extraclean: clean

.PHONY: all install clean extraclean