mirror of
https://github.com/SCST-project/scst.git
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cd0dcb32ab
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5471 d57e44dd-8a1f-0410-8b47-8ef2f437770f
160 lines
6.5 KiB
Makefile
160 lines
6.5 KiB
Makefile
#
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# Makefile for ib_srpt.ko.
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#
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ifndef PREFIX
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PREFIX=/usr/local
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endif
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SCST_INC_DIR := $(shell if [ -e "$$PWD/../scst" ]; \
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then echo "$$PWD/../scst/include"; \
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else echo "$(DESTDIR)$(PREFIX)/include/scst"; fi)
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SCST_SYMVERS_DIR := $(shell if [ -e $$PWD/../scst ]; then \
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echo $$PWD/../scst/src; \
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else echo $(DESTDIR)$(PREFIX)/include/scst; fi)
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SUBDIRS := $(shell pwd)
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ifeq ($(KVER),)
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ifeq ($(KDIR),)
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KVER := $(shell uname -r)
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KDIR := /lib/modules/$(KVER)/build
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else
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ifeq ($(KERNELRELEASE),)
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KVER := $(strip $(shell \
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cat $(KDIR)/include/config/kernel.release 2>/dev/null || \
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make -s -C $(KDIR) kernelversion))
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else
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KVER := $(KERNELRELEASE)
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endif
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endif
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else
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KDIR := /lib/modules/$(KVER)/build
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endif
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ifeq ($(INSTALL_MOD_PATH),)
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export INSTALL_MOD_PATH := $(DESTDIR)
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endif
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INSTALL_DIR := $(INSTALL_MOD_PATH)/lib/modules/$(KVER)/extra
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# Set variable $(2) to value $(3) in file $(1).
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set_var = $(shell { if [ -e "$(1)" ]; then grep -v '^$(2)=' "$(1)"; fi; echo "$(2)=$(3)"; } >/tmp/$(1)-$$$$.tmp && mv /tmp/$(1)-$$$$.tmp $(1))
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SRC_FILES=$(wildcard */*.[ch])
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# The file Modules.symvers has been renamed in the 2.6.18 kernel to
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# Module.symvers. Find out which name to use by looking in $(KDIR).
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MODULE_SYMVERS:=$(shell if [ -e $(KDIR)/Module.symvers ]; then \
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echo Module.symvers; else echo Modules.symvers; fi)
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# Name of the OFED kernel RPM.
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OFED_KERNEL_IB_RPM:=$(shell for r in kernel-ib mlnx-ofa_kernel compat-rdma; do rpm -q $$r 2>/dev/null | grep -q "^$$r" && echo $$r && break; done)
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# Name of the OFED kernel development RPM.
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OFED_KERNEL_IB_DEVEL_RPM:=$(shell for r in kernel-ib-devel mlnx-ofa_kernel-devel compat-rdma-devel; do rpm -q $$r 2>/dev/null | grep -q "^$$r" && echo $$r && break; done)
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ifeq ($(OFED_KERNEL_IB_RPM),kernel-ib)
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# Read OFED 1.x's config.mk, which contains the definition of the variable
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# BACKPORT_INCLUDES.
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include /usr/src/ofa_kernel/config.mk
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OFED_MODULE_SYMVERS:=/usr/src/ofa_kernel/Module.symvers
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OFED_CFLAGS:=$(BACKPORT_INCLUDES) -I/usr/src/ofa_kernel/include
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endif
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ifeq ($(OFED_KERNEL_IB_RPM),mlnx-ofa_kernel)
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OFED_MODULE_SYMVERS:=/usr/src/ofa_kernel/default/Module.symvers
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OFED_CFLAGS:=-I/usr/src/ofa_kernel/default/include
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endif
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ifeq ($(OFED_KERNEL_IB_RPM),compat-rdma)
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OFED_MODULE_SYMVERS:=/usr/src/compat-rdma/Module.symvers
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OFED_CFLAGS:=-I/usr/src/compat-rdma/include
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endif
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# Path of the OFED ib_srpt.ko kernel module.
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OFED_SRPT_PATH:=/lib/modules/$(KVER)/updates/kernel/drivers/infiniband/ulp/srpt/ib_srpt.ko
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# Whether or not the OFED ib_srpt.ko kernel module has been installed.
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OFED_SRPT_INSTALLED:=$(shell if [ -e $(OFED_SRPT_PATH) ]; then echo true; else echo false; fi)
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all: src/$(MODULE_SYMVERS)
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$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src \
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PRE_CFLAGS="$(OFED_CFLAGS)" SCST_INC_DIR=$(SCST_INC_DIR) modules
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install: all src/ib_srpt.ko
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$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src \
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PRE_CFLAGS="$(OFED_CFLAGS)" SCST_INC_DIR=$(SCST_INC_DIR) \
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modules_install
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uninstall:
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rm -f $(INSTALL_DIR)/ib_srpt.ko
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-/sbin/depmod -b $(INSTALL_MOD_PATH)/ -a $(KVER)
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src/Module.symvers src/Modules.symvers: $(SCST_SYMVERS_DIR)/$(MODULE_SYMVERS)
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@if [ -n "$(OFED_KERNEL_IB_RPM)" ]; then \
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if [ -z "$(OFED_KERNEL_IB_DEVEL_RPM)" ]; then \
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echo "Error: the OFED package $(OFED_KERNEL_IB_RPM)-devel has" \
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" not yet been installed."; \
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false; \
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elif [ -e /lib/modules/$(KVER)/kernel/drivers/infiniband ]; then \
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echo "Error: the distro-provided InfiniBand kernel drivers" \
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"must be removed first" \
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" (/lib/modules/$(KVER)/kernel/drivers/infiniband)."; \
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false; \
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elif $(OFED_SRPT_INSTALLED); then \
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echo "Error: OFED has been built with srpt=y in ofed.conf."; \
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echo "Rebuild OFED with srpt=n."; \
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false; \
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elif [ -e $(KDIR)/scripts/Makefile.lib ] \
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&& ! grep -wq '^c_flags .*PRE_CFLAGS' \
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$(KDIR)/scripts/Makefile.lib \
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&& ! grep -wq '^LINUXINCLUDE .*PRE_CFLAGS' \
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$(KDIR)/Makefile; then \
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echo "Error: the kernel build system has not yet been patched.";\
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false; \
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else \
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echo " Building against $(OFED_KERNEL_IB_RPM) InfiniBand" \
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"kernel headers."; \
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( \
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grep -v drivers/infiniband/ $<; \
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cat $(OFED_MODULE_SYMVERS) \
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) >$@; \
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fi \
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else \
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if [ -n "$(OFED_KERNEL_IB_DEVEL_RPM)" ]; then \
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echo "Error: the OFED kernel package has not yet been" \
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"installed."; \
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false; \
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else \
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echo " Building against in-tree InfiniBand kernel headers."; \
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cp $< $@; \
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fi; \
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fi
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clean:
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$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src clean
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rm -f src/Modules.symvers src/Module.symvers src/Module.markers \
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src/modules.order
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extraclean: clean
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rm -f *.orig *.rej
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2debug:
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-$(MAKE) clean
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$(call set_var,build_mode,BUILDMODE,)
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2release:
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-$(MAKE) clean
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$(call set_var,build_mode,BUILDMODE,RELEASE)
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2perf:
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-$(MAKE) clean
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$(call set_var,build_mode,BUILDMODE,PERF)
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release-archive:
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../scripts/generate-release-archive srpt "$$(sed -n 's/^#define[[:blank:]]DRV_VERSION[[:blank:]]*\"\([^\"]*\)\".*/\1/p' src/ib_srpt.c)"
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kerneldoc.html: $(SRC_FILES)
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$(KDIR)/scripts/kernel-doc -html $(SRC_FILES) >$@
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.PHONY: all install clean extraclean 2debug 2release 2perf
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