Files
scst/srpt/Makefile
2014-03-21 16:29:26 +00:00

150 lines
6.1 KiB
Makefile

#
# Makefile for ib_srpt.ko.
#
ifndef PREFIX
PREFIX=/usr/local
endif
SCST_INC_DIR := $(shell if [ -e "$$PWD/../scst" ]; \
then echo "$$PWD/../scst/include"; \
else echo "$(DESTDIR)$(PREFIX)/include/scst"; fi)
SCST_SYMVERS_DIR := $(shell if [ -e $$PWD/../scst ]; then \
echo $$PWD/../scst/src; \
else echo $(DESTDIR)$(PREFIX)/include/scst; fi)
SUBDIRS := $(shell pwd)
ifeq ($(KVER),)
ifeq ($(KDIR),)
KVER := $(shell uname -r)
KDIR := /lib/modules/$(KVER)/build
else
ifeq ($(KERNELRELEASE),)
KVER := $(strip $(shell \
cat $(KDIR)/include/config/kernel.release 2>/dev/null || \
make -s -C $(KDIR) kernelversion))
else
KVER := $(KERNELRELEASE)
endif
endif
else
KDIR := /lib/modules/$(KVER)/build
endif
ifeq ($(INSTALL_MOD_PATH),)
export INSTALL_MOD_PATH := $(DESTDIR)
endif
INSTALL_DIR := $(INSTALL_MOD_PATH)/lib/modules/$(KVER)/extra
# Set variable $(2) to value $(3) in file $(1).
set_var = $(shell { if [ -e "$(1)" ]; then grep -v '^$(2)=' "$(1)"; fi; echo "$(2)=$(3)"; } >/tmp/$(1)-$$$$.tmp && mv /tmp/$(1)-$$$$.tmp $(1))
SRC_FILES=$(wildcard */*.[ch])
# The file Modules.symvers has been renamed in the 2.6.18 kernel to
# Module.symvers. Find out which name to use by looking in $(KDIR).
MODULE_SYMVERS:=$(shell if [ -e $(KDIR)/Module.symvers ]; then \
echo Module.symvers; else echo Modules.symvers; fi)
# Whether or not the OFED kernel modules have been installed.
OFED_KERNEL_IB_RPM_INSTALLED:=$(shell if rpm -q kernel-ib 2>/dev/null | grep -q $$(uname -r | sed 's/-/_/g'); then echo true; else echo false; fi)
# Whether or not the OFED kernel-ib-devel RPM has been installed.
OFED_KERNEL_IB_DEVEL_RPM_INSTALLED:=$(shell if rpm -q kernel-ib-devel 2>/dev/null | grep -q $$(uname -r | sed 's/-/_/g'); then echo true; else echo false; fi)
ifeq ($(OFED_KERNEL_IB_DEVEL_RPM_INSTALLED),true)
# Read OFED's config.mk, which contains the definition of the variable
# BACKPORT_INCLUDES.
include /usr/src/ofa_kernel/config.mk
endif
OFED_CFLAGS:=$(shell if $(OFED_KERNEL_IB_DEVEL_RPM_INSTALLED); then echo $(BACKPORT_INCLUDES) -I/usr/src/ofa_kernel/include; fi)
# Path of the OFED ib_srpt.ko kernel module.
OFED_SRPT_PATH:=/lib/modules/$(KVER)/updates/kernel/drivers/infiniband/ulp/srpt/ib_srpt.ko
# Whether or not the OFED ib_srpt.ko kernel module has been installed.
OFED_SRPT_INSTALLED:=$(shell if [ -e $(OFED_SRPT_PATH) ]; then echo true; else echo false; fi)
all: src/$(MODULE_SYMVERS)
$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src \
PRE_CFLAGS="$(OFED_CFLAGS)" SCST_INC_DIR=$(SCST_INC_DIR) modules
install: all src/ib_srpt.ko
$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src \
PRE_CFLAGS="$(OFED_CFLAGS)" SCST_INC_DIR=$(SCST_INC_DIR) \
modules_install
uninstall:
rm -f $(INSTALL_DIR)/ib_srpt.ko
-/sbin/depmod -b $(INSTALL_MOD_PATH)/ -a $(KVER)
src/Module.symvers src/Modules.symvers: $(SCST_SYMVERS_DIR)/$(MODULE_SYMVERS)
@if $(OFED_KERNEL_IB_RPM_INSTALLED); then \
if ! $(OFED_KERNEL_IB_DEVEL_RPM_INSTALLED); then \
echo "Error: the OFED package kernel-ib-devel has not yet been" \
"installed."; \
false; \
elif [ -e /lib/modules/$(KVER)/kernel/drivers/infiniband ]; then \
echo "Error: the distro-provided InfiniBand kernel drivers" \
"must be removed first."; \
false; \
elif $(OFED_SRPT_INSTALLED); then \
echo "Error: OFED has been built with srpt=y in ofed.conf."; \
echo "Rebuild OFED with srpt=n."; \
false; \
elif [ -e $(KDIR)/scripts/Makefile.lib ] \
&& ! grep -wq '^c_flags .*PRE_CFLAGS' \
$(KDIR)/scripts/Makefile.lib \
&& ! grep -wq '^LINUXINCLUDE .*PRE_CFLAGS' \
$(KDIR)/Makefile; then \
echo "Error: the kernel build system has not yet been patched.";\
false; \
else \
echo " Building against OFED InfiniBand kernel headers."; \
( \
grep -v drivers/infiniband/ $<; \
cat /usr/src/ofa_kernel/Module.symvers \
) >$@; \
fi \
else \
if $(OFED_KERNEL_IB_DEVEL_RPM_INSTALLED); then \
echo "Error: the OFED package kernel-ib has not yet been" \
"installed."; \
false; \
else \
echo " Building against in-tree InfiniBand kernel headers."; \
cp $< $@; \
fi; \
fi
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
rm -f *.orig *.rej
2debug:
-$(MAKE) clean
$(call set_var,build_mode,BUILDMODE,)
2release:
-$(MAKE) clean
$(call set_var,build_mode,BUILDMODE,RELEASE)
2perf:
-$(MAKE) clean
$(call set_var,build_mode,BUILDMODE,PERF)
release-archive:
../scripts/generate-release-archive srpt "$$(sed -n 's/^#define[[:blank:]]DRV_VERSION[[:blank:]]*\"\([^\"]*\)\".*/\1/p' src/ib_srpt.c)"
kerneldoc.html: $(SRC_FILES)
$(KDIR)/scripts/kernel-doc -html $(SRC_FILES) >$@
.PHONY: all install clean extraclean 2debug 2release 2perf