#
# 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: progs mods

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

progs:
	$(MAKE) -C usr

install: all kernel/iscsi-scst.ko usr/iscsi-scstd usr/iscsi-scst-adm
	@install -vD usr/iscsi-scstd $(DISTDIR)/usr/local/sbin/iscsi-scstd
	@install -vD usr/iscsi-scst-adm $(DISTDIR)/usr/local/sbin/iscsi-scst-adm
	if [ -f /etc/debian_version ]; then \
		install -vD -m 755 etc/initd/initd.debian $(DISTDIR)/etc/init.d/iscsi-scst; \
	elif [ -f /etc/redhat-release ]; then \
		install -vD -m 755 etc/initd/initd.redhat $(DISTDIR)/etc/init.d/iscsi-scst; \
	elif [ -f /etc/gentoo-release ]; then \
		install -vD -m 755 etc/initd/initd.gentoo $(DISTDIR)/etc/init.d/iscsi-scst; \
	elif [ -f /etc/slackware-version ]; then \
		install -vD -m 755 etc/initd/initd $(DISTDIR)/etc/rc.d/iscsi-scst; \
	else \
		install -vD -m 755 etc/initd/initd $(DISTDIR)/etc/init.d/iscsi-scst; \
	fi
	@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 kernel/iscsi-scst.ko \
	$(DISTDIR)$(INSTALL_MOD_PATH)/lib/modules/$(KVER)/extra/iscsi-scst.ko
	-/sbin/depmod -aq $(KVER)

SCST_MOD_VERS := $(shell ls $(SCST_DIR)/Modules.symvers 2>/dev/null)
ifneq ($(SCST_MOD_VERS),)
Modules.symvers: $(SCST_DIR)/Modules.symvers
	echo $(SCST_MOD_VERS)
	cp $(SCST_DIR)/Modules.symvers kernel/
else
.PHONY: Modules.symvers
endif

# It's renamed in 2.6.18
SCST_MOD_VERS := $(shell ls $(SCST_DIR)/Module.symvers 2>/dev/null)
ifneq ($(SCST_MOD_VERS),)
Module.symvers: $(SCST_DIR)/Module.symvers
	cp $(SCST_DIR)/Module.symvers kernel/
else
.PHONY: Module.symvers
endif

clean:
	$(MAKE) -C usr clean
	$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/kernel clean
	rm -f kernel/Modules.symvers kernel/Module.symvers

extraclean: clean

.PHONY: all mods progs install clean extraclean