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scst/iscsi-scst/Makefile
T
Bart Van Assche a169500590 Makefiles: Use KBUILD_EXTRA_SYMBOLS instead of copying Module.symvers 
Copying Module.symvers is the oldest supported method for building external
kernel modules that depend on another external kernel module. Since support
for that method will be removed from Linux kernel v5.5, use
KBUILD_EXTRA_SYMBOLS instead to specify the external symbols SCST kernel
modules depend on. Support for KBUILD_EXTRA_SYMBOLS was introduced in
upstream kernel v2.6.26 so this patch drops support for kernels before
v2.6.26.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8686 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2019-12-16 23:29:42 +00:00

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Makefile
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#
# Makefile for iSCSI-SCST
#
# Note! Dependencies are done automatically 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).
ifndef PREFIX
PREFIX=/usr/local
endif
SHELL=/bin/bash
SCST_DIR := $(shell echo "$$PWD")/../scst/src
SBINDIR := $(PREFIX)/sbin
INITDIR := /etc/init.d
RCDIR := /etc/rc.d
MANDIR ?= $(PREFIX)/man
KMOD := $(shell pwd)/kernel
INCDIR := $(shell pwd)/include
ISERTMOD := $(KMOD)/isert-scst
ifeq ($(KVER),)
ifeq ($(KDIR),)
KVER := $(shell uname -r)
KDIR := /lib/modules/$(KVER)/build
else
ifeq ($(KERNELRELEASE),)
KVER := $(strip $(shell \
cat $(KDIR)/include/config/kernel.release 2>/dev/null || \
make -s -C $(KDIR) kernelversion))
else
KVER := $(KERNELRELEASE)
endif
endif
else
KDIR := /lib/modules/$(KVER)/build
endif
ifeq ($(INSTALL_MOD_PATH),)
export INSTALL_MOD_PATH := $(DESTDIR)
endif
INSTALL_DIR := $(INSTALL_MOD_PATH)/lib/modules/$(KVER)/extra
INFINIBAND_ENABLED = $(shell syms=$$(dirname "$(KDIR)")/modules.symbols; if [ -e "$$syms" ] && grep -wq 'ib_register_client' "$$syms" || grep -q "^CONFIG_INFINIBAND=[my]$$" "$(KDIR)/.config"; then echo true; else echo false; fi)
# 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 "$(KDIR)/Modules.symvers" ]; then \
echo Modules.symvers; else echo Module.symvers; fi)
all: progs mods
ISER_SYMVERS:=$(SCST_DIR)/$(MODULE_SYMVERS) $(KMOD)/$(MODULE_SYMVERS)
OFED_CFLAGS:=
OFED_FLAVOR=$(shell if [ -e /usr/bin/ofed_info ]; then /usr/bin/ofed_info 2>/dev/null | head -n1 | sed -n 's/^\(MLNX_OFED\|OFED-internal\).*/MOFED/p;s/^OFED-.*/OFED/p'; else echo in-tree; fi)
ifeq ($(OFED_FLAVOR),MOFED)
ifeq ($(shell if { dpkg -s mlnx-ofed-kernel-dkms || dpkg -s mlnx-ofed-kernel-modules; } >/dev/null 2>&1; then \
echo true; \
else \
echo false; \
fi),true)
OFED_VERS=$(shell dpkg-query -W --showformat='$${Version}\n' mlnx-ofed-kernel-dkms mlnx-ofed-kernel-modules 2>/dev/null | head -n 1)
else
ifeq ($(shell if { rpm -q mlnx-ofa_kernel-devel || \
rpm -q kernel-ib-devel; } >&/dev/null; then \
echo true; \
else \
echo false; \
fi),true)
OFED_VERS=$(shell rpm -q --qf '%{version}\n' mlnx-ofa_kernel-devel \
2>/dev/null)
else
echo := $(shell echo "Error: MLNX OFED has not been installed" >&2)
endif
endif
echo := $(shell echo "OFED_VERS = $(OFED_VERS)" >&2)
OFED_DIR:=/usr/src/ofa_kernel/default
OFED_CFLAGS:= -I$(OFED_DIR)/include \
-I$(OFED_DIR)/include/uapi \
-include $(OFED_DIR)/include/linux/compat-2.6.h \
-DMOFED_MAJOR=$(shell echo $(OFED_VERS) | cut -f1 -d.)\
-DMOFED_MINOR=$(shell echo $(OFED_VERS) | cut -f2 -d.)
ISER_SYMVERS:=$(ISER_SYMVERS) $(OFED_DIR)/$(MODULE_SYMVERS)
OFED_CONFIG:= CONFIG_DTRACE=
else
# Whether or not the OFED kernel-ib-devel RPM has been installed.
OFED_KERNEL_IB_DEVEL_RPM_INSTALLED:=$(shell if rpm -q kernel-ib-devel 2>/dev/null | grep -q $$(uname -r | sed 's/-/_/g'); then echo true; else echo false; fi)
# Whether or not the OFED compat-rdma-devel RPM has been installed.
OFED_COMPAT_RDMA_DEVEL_RPM_INSTALLED:=$(shell if rpm -q compat-rdma-devel 2>/dev/null | grep -q $$(uname -r | sed 's/-/_/g'); then echo true; else echo false; fi)
ifeq ($(OFED_KERNEL_IB_DEVEL_RPM_INSTALLED),true)
# Read OFED's config.mk, which contains the definition of the variable
# BACKPORT_INCLUDES.
include /usr/src/ofa_kernel/config.mk
OFED_CFLAGS:=$(shell echo $(BACKPORT_INCLUDES) -I/usr/src/ofa_kernel/include)
ISER_SYMVERS:=$(ISER_SYMVERS) /usr/src/ofa_kernel/$(MODULE_SYMVERS)
endif
ifeq ($(OFED_COMPAT_RDMA_DEVEL_RPM_INSTALLED),true)
OFED_CFLAGS:=-I/usr/src/compat-rdma/include -include /usr/src/compat-rdma/include/linux/compat-2.6.h
ISER_SYMVERS:=$(ISER_SYMVERS) /usr/src/compat-rdma/$(MODULE_SYMVERS)
endif
endif
# Use make instead of $(MAKE) to get rid of command-line option -i
run_conftest = $(shell if [ "0$(V)" -gt 0 ]; then output=/dev/stdout; else output=/dev/null; fi; if MAKEFLAGS= make -C $(KDIR) V=$(V) M="$(shell pwd)/conftest/$1" PRE_CFLAGS="-Werror $(OFED_CFLAGS)" $(OFED_CONFIG) 1>&2 2>$${output}; then echo "$(strip $2)"; else echo "$(strip $3)"; fi)
run_conftest_bool = $(call run_conftest,$1,-D$(strip $2)=1,-D$(strip $2)=0)
CONFTESTS = $(shell ls -d conftest/*)
CONFTEST_OUTPUTS = $(shell \
for t in $(CONFTESTS); do \
echo $$t/result-$(KVER).txt; \
done)
PRE_CFLAGS = $(shell \
for t in $(CONFTESTS); do \
cat $$t/result-$(KVER).txt 2>/dev/null; \
done)
ISER_CFLAGS = $(OFED_CFLAGS) -DOFED_FLAVOR=$(OFED_FLAVOR) $(PRE_CFLAGS)
mods: include/iscsi_scst_itf_ver.h $(CONFTEST_OUTPUTS)
$(MAKE) -C $(KDIR) M=$(KMOD) PRE_CFLAGS="$(PRE_CFLAGS)" modules \
KBUILD_EXTRA_SYMBOLS=$(SCST_DIR)/$(MODULE_SYMVERS)
echo "$@: INFINIBAND_ENABLED = $(INFINIBAND_ENABLED)"
if $(INFINIBAND_ENABLED); then \
echo " Building against $(OFED_FLAVOR) InfiniBand kernel headers."; \
$(MAKE) -C $(KDIR) M=$(ISERTMOD) PRE_CFLAGS="$(ISER_CFLAGS)" \
KBUILD_EXTRA_SYMBOLS="$(ISER_SYMVERS)" $(OFED_CONFIG) modules; \
fi
progs: include/iscsi_scst_itf_ver.h
$(MAKE) -C usr
include/iscsi_scst_itf_ver.h: include/iscsi_scst.h
echo "/* Autogenerated, don't edit */" >include/iscsi_scst_itf_ver.h
echo "" >>include/iscsi_scst_itf_ver.h
echo -n "#define ISCSI_SCST_INTERFACE_VERSION " >>include/iscsi_scst_itf_ver.h
echo -n "ISCSI_VERSION_STRING \"_" >>include/iscsi_scst_itf_ver.h
echo "`sha1sum include/iscsi_scst.h|awk '{printf $$1}'`\"" >>include/iscsi_scst_itf_ver.h
install: all
@install -vD -m 755 usr/iscsi-scstd $(DESTDIR)$(SBINDIR)/iscsi-scstd
@install -vD -m 644 doc/manpages/iscsi-scstd.conf.5 $(DESTDIR)$(MANDIR)/man5/iscsi-scstd.conf.5
@install -vD -m 644 doc/manpages/iscsi-scstd.8 $(DESTDIR)$(MANDIR)/man8/iscsi-scstd.8
@install -vD -m 755 usr/iscsi-scst-adm $(DESTDIR)$(SBINDIR)/iscsi-scst-adm
@install -vD -m 644 doc/manpages/iscsi-scst-adm.8 $(DESTDIR)$(MANDIR)/man8/iscsi-scst-adm.8
(cd $(KMOD) && KDIR=$(KDIR) ../../scripts/sign-modules)
$(MAKE) -C $(KDIR) M=$(KMOD) \
$$([ -n "$(DEPMOD)" ] && echo "DEPMOD=$(DEPMOD)") \
CONFIG_MODULE_SIG_ALL= modules_install
echo "$@: INFINIBAND_ENABLED = $(INFINIBAND_ENABLED)"
if $(INFINIBAND_ENABLED); then \
(cd $(ISERTMOD) && KDIR=$(KDIR) ../../../scripts/sign-modules);\
$(MAKE) -C $(KDIR) M=$(ISERTMOD) \
$$([ -n "$(DEPMOD)" ] && echo "DEPMOD=$(DEPMOD)") \
CONFIG_MODULE_SIG_ALL= modules_install; \
fi
uninstall:
rm -f $(DESTDIR)$(SBINDIR)/iscsi-scstd \
$(DESTDIR)$(MANDIR)/man5/iscsi-scstd.conf.5 \
$(DESTDIR)$(MANDIR)/man8/iscsi-scstd.8 \
$(DESTDIR)$(SBINDIR)/iscsi-scst-adm \
$(DESTDIR)$(MANDIR)/man8/iscsi-scst-adm.8 \
$(INSTALL_DIR)/iscsi-scst.ko \
$(INSTALL_DIR)/isert-scst.ko
-/sbin/depmod -b $(INSTALL_MOD_PATH)/ -a $(KVER)
clean:
$(MAKE) -C usr $@
$(MAKE) -C $(KDIR) M=$(KMOD) $@
$(MAKE) -C $(KDIR) M=$(ISERTMOD) $@
rm -f kernel/$(MODULE_SYMVERS) \
kernel/Module.markers kernel/modules.order \
kernel/isert-scst/$(MODULE_SYMVERS) \
kernel/isert-scst/Module.markers kernel/isert-scst/modules.order \
include/iscsi_scst_itf_ver.h
rm -rf conftest/*/*.ko conftest/*/*.mod.c conftest/*/$(MODULE_SYMVERS) conftest/*/*.o \
conftest/*/*.o.cmd conftest/*/*.ko.cmd conftest/*/.*.o.cmd conftest/*/.*.ko.cmd \
conftest/*/*.order conftest/*/.*.o.d conftest/*/.tmp_versions/ \
conftest/*/result*.txt
extraclean: clean
rm -f kernel/*.orig kernel/*.rej \
kernel/isert-scst/*.orig kernel/isert-scst/*.rej
rm -rf conftest/*/*.rej conftest/*/*.orig
conftest/bad_wr_mod/result-$(KVER).txt: \
conftest/bad_wr_mod/bad_wr_mod.c \
conftest/bad_wr_mod/Makefile
echo "$(call run_conftest,bad_wr_mod, \
-DBAD_WR_MODIFIER=const,-DBAD_WR_MODIFIER=)" >"$@"
conftest/cm_event_mod/result-$(KVER).txt: \
conftest/cm_event_mod/cm_event_mod.c \
conftest/cm_event_mod/Makefile
echo "$(call run_conftest,cm_event_mod, \
-DCM_HANDLER_EVENT_MODIFIER=const,-DCM_HANDLER_EVENT_MODIFIER=)" >"$@"
conftest/cm_listen/result-$(KVER).txt: \
conftest/cm_listen/cm_listen.c \
conftest/cm_listen/Makefile
echo "$(call run_conftest,cm_listen, \
-DIB_CM_LISTEN_TAKES_FOURTH_ARG)" >"$@"
conftest/create_cq/result-$(KVER).txt: \
conftest/create_cq/create_cq.c \
conftest/create_cq/Makefile
echo "$(call run_conftest,create_cq, \
-DIB_CREATE_CQ_HAS_INIT_ATTR)" >"$@"
conftest/create_send_mad_ah/result-$(KVER).txt: \
conftest/create_send_mad_ah/create_send_mad_ah.c \
conftest/create_send_mad_ah/Makefile
echo "$(call run_conftest,create_send_mad_ah, \
-DCREATE_SEND_MAD_HAS_AH_ARG)" >"$@"
conftest/create_send_mad_base/result-$(KVER).txt: \
conftest/create_send_mad_base/create_send_mad_base.c \
conftest/create_send_mad_base/Makefile
echo "$(call run_conftest,create_send_mad_base, \
-DCREATE_SEND_MAD_HAS_BASE_ARG)" >"$@"
conftest/gid_change/result-$(KVER).txt: \
conftest/gid_change/gid_change.c \
conftest/gid_change/Makefile
echo "$(call run_conftest,gid_change,-DHAVE_IB_EVENT_GID_CHANGE)" >"$@"
conftest/ib_client_remove/result-$(KVER).txt: \
conftest/ib_client_remove/ib_client_remove.c \
conftest/ib_client_remove/Makefile
echo "$(call run_conftest,ib_client_remove, \
-DIB_CLIENT_REMOVE_TAKES_TWO_ARGS)" >"$@"
conftest/ib_dma_map_ops/result-$(KVER).txt: \
conftest/ib_dma_map_ops/ib_dma_map_ops.c \
conftest/ib_dma_map_ops/Makefile
echo "$(call run_conftest,ib_dma_map_ops,-DHAVE_IB_DMA_MAP_OPS)" >"$@"
conftest/ib_set_cpi_resp_time/result-$(KVER).txt: \
conftest/ib_set_cpi_resp_time/ib_set_cpi_resp_time.c \
conftest/ib_set_cpi_resp_time/Makefile
echo "$(call run_conftest,ib_set_cpi_resp_time, \
-DHAVE_IB_SET_CPI_RESP_TIME)" >"$@"
conftest/mad_handler_takes_send_buf/result-$(KVER).txt: \
conftest/mad_handler_takes_send_buf/mad_handler_takes_send_buf.c\
conftest/mad_handler_takes_send_buf/Makefile
echo "$(call run_conftest,mad_handler_takes_send_buf, \
-DMAD_HANDLER_TAKES_SEND_BUF)" >"$@"
conftest/pd_has_local_dma_lkey/result-$(KVER).txt: \
conftest/pd_has_local_dma_lkey/pd_has_local_dma_lkey.c \
conftest/pd_has_local_dma_lkey/Makefile
echo "$(call run_conftest,pd_has_local_dma_lkey, \
-DIB_PD_HAS_LOCAL_DMA_LKEY)" >"$@"
conftest/query_device/result-$(KVER).txt: \
conftest/query_device/query_device.c \
conftest/query_device/Makefile
echo "$(call run_conftest,query_device,-DHAVE_IB_QUERY_DEVICE)" >"$@"
conftest/query_device_attr_arg/result-$(KVER).txt: \
conftest/query_device_attr_arg/query_device_attr_arg.c \
conftest/query_device_attr_arg/Makefile
echo "$(call run_conftest,query_device_attr_arg, \
-DIB_QUERY_DEVICE_HAS_ATTR_ARG)" >"$@"
conftest/dev_attr_max_recv_sge/result-$(KVER).txt: \
conftest/dev_attr_max_recv_sge/dev_attr_max_recv_sge.c \
conftest/dev_attr_max_recv_sge/Makefile
echo "$(call run_conftest,dev_attr_max_recv_sge, \
-DHAVE_DEV_ATTR_MAX_RECV_SGE)" >"$@"
conftest/query_gid/result-$(KVER).txt: \
conftest/query_gid/query_gid.c \
conftest/query_gid/Makefile
echo "$(call run_conftest,query_gid,-DIB_QUERY_GID_HAS_ATTR_ARG)" >"$@"
conftest/rdma_create_id_net/result-$(KVER).txt: \
conftest/rdma_create_id_net/rdma_create_id_net.c \
conftest/rdma_create_id_net/Makefile
echo "$(call run_conftest_bool,rdma_create_id_net, \
RDMA_CREATE_ID_TAKES_NET_ARG)" >"$@"
conftest/register_mad_agent/result-$(KVER).txt: \
conftest/register_mad_agent/register_mad_agent.c \
conftest/register_mad_agent/Makefile
echo "$(call run_conftest,register_mad_agent, \
-DREGISTER_MAD_AGENT_HAS_FLAGS_ARG)" >"$@"
conftest/sock_recvmsg/result-$(KVER).txt: \
conftest/sock_recvmsg/sock_recvmsg.c \
conftest/sock_recvmsg/Makefile
echo "$(call run_conftest_bool,sock_recvmsg, \
SOCK_RECVMSG_HAS_FOUR_ARGS)" >"$@"
conftest/use_pre_440_wr_structure/result-$(KVER).txt: \
conftest/use_pre_440_wr_structure/use_pre_440_wr_structure.c \
conftest/use_pre_440_wr_structure/Makefile
echo "$(call run_conftest,use_pre_440_wr_structure, \
-DUSE_PRE_440_WR_STRUCTURE)" >"$@"
release-archive:
../scripts/generate-release-archive iscsi-scst "$$(sed -n 's/^#define[[:blank:]]ISCSI_VERSION_STRING[[:blank:]]*\"\([^\"]*\)\".*/\1/p' include/iscsi_scst_ver.h)"
.PHONY: all mods progs install clean extraclean
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