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https://github.com/SCST-project/scst.git
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d3e2f5ab99
This patch avoids that the following warning is reported when building against kernel v4.21: ================= WARNING ================ 'SUBDIRS' will be removed after Linux 5.3 Please use 'M=' or 'KBUILD_EXTMOD' instead ========================================== A quote from an upstream kernel patch: commit 07e5823127155b3a29003aca926f87c9843f6810 Author: Andrew Morton <akpm@osdl.org> Date: Mon Apr 12 01:05:40 2004 -0700 [PATCH] kbuild: external module support From: Sam Ravnborg <sam@ravnborg.org> Based on initial patch from Andreas Gruenbacher there is now better support for building external modules with kbuild. The preferred syntax is now: make -C $KERNELSRC M=$PWD but the old syntax: make -C $KERNELSRC SUBDIRS=$PWD modules will remain supported. git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7851 d57e44dd-8a1f-0410-8b47-8ef2f437770f
113 lines
2.9 KiB
Makefile
113 lines
2.9 KiB
Makefile
# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation, version 2
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# of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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#
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# Main targets:
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# all (the default) : make all
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# clean : clean files
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# extraclean : clean + clean dependencies
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# install : install
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# uninstall : uninstall
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#
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# Notes :
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# - install and uninstall must be made as root
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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 := $(PREFIX)/include/scst
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#SCST_DIR := $(SCST_INC_DIR)
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SCST_INC_DIR := $(KBUILD_EXTMOD)/../scst/include
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SCST_DIR := $(shell pwd)/../scst/src
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EXTRA_CFLAGS += -I$(SCST_INC_DIR)
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EXTRA_CFLAGS += -DCONFIG_SCST_EXTRACHECKS
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#EXTRA_CFLAGS += -DCONFIG_SCST_TRACING
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EXTRA_CFLAGS += -DCONFIG_SCST_DEBUG
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#EXTRA_CFLAGS += -DDEBUG_WORK_IN_THREAD
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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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LSI_INC_DIR := $(KDIR)/drivers/message/fusion
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EXTRA_CFLAGS += -I$(LSI_INC_DIR)
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ifneq ($(PATCHLEVEL),)
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obj-m += mpt_scst.o
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else
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######### BEGIN OUT-OF-TREE RULES #########
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all: Modules.symvers Module.symvers
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$(MAKE) -C $(KDIR) M=$(shell pwd) BUILD_INI=m
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tgt: Modules.symvers Module.symvers
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$(MAKE) -C $(KDIR) M=$(shell pwd) BUILD_INI=n
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install: all
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$(MAKE) -C $(KDIR) M=$(shell pwd) BUILD_INI=m \
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$$([ -n "$(DESTDIR)$(INSTALL_MOD_PATH)" ] && echo DEPMOD=true) \
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modules_install
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SCST_MOD_VERS := $(shell ls $(SCST_DIR)/Modules.symvers 2>/dev/null)
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ifneq ($(SCST_MOD_VERS),)
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Modules.symvers: $(SCST_DIR)/Modules.symvers
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cp $(SCST_DIR)/Modules.symvers .
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else
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.PHONY: Modules.symvers
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endif
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# It's renamed in 2.6.18
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SCST_MOD_VERS := $(shell ls $(SCST_DIR)/Module.symvers 2>/dev/null)
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ifneq ($(SCST_MOD_VERS),)
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Module.symvers: $(SCST_DIR)/Module.symvers
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cp $(SCST_DIR)/Module.symvers .
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else
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.PHONY: Module.symvers
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endif
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uninstall:
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rm -f $(INSTALL_DIR)/mpt_scst.ko
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-/sbin/depmod -b $(INSTALL_MOD_PATH)/ -a $(KVER)
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########## END OUT-OF-TREE RULES ##########
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endif
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clean:
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rm -f *.o *.ko .*.cmd *.mod.c .*.d .depend *~ Modules.symvers \
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Module.symvers Module.markers modules.order
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rm -rf .tmp_versions
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extraclean: clean
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rm -f *.orig *.rej
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.PHONY: all tgt install uninstall clean extraclean
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