Patch from Erik Habbinga <erikhabbinga@inphase-tech.com> to fix out of tree building introduced in r387 with some changes to prevent such things in the future.

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@394 d57e44dd-8a1f-0410-8b47-8ef2f437770f

mpt/Makefile

@@ -1,5 +1,32 @@
-SCST_INC_DIR := include/scst
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation, version 2
+#  of the License.
+# 
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+#  GNU General Public License for more details.
+#
+#
+# Main targets:
+#    all (the default) : make all
+#    clean             : clean files
+#    extraclean        : clean + clean dependencies
+#    install           : install 
+#    uninstall         : uninstall 
+#
+# Notes :
+#    - install and uninstall must be made as root
+#
+
+#SCST_INC_DIR := /usr/local/include/scst
+#SCST_DIR := $(SCST_INC_DIR)
+SCST_INC_DIR := $(SUBDIRS)/../scst/include
+SCST_DIR := $(shell pwd)/../scst/src
+
 FUSION_INC_DIR := drivers/message/fusion
+
 EXTRA_CFLAGS += -I$(SCST_INC_DIR) -I$(FUSION_INC_DIR) -Iinclude/scsi
 
 EXTRA_CFLAGS += -DEXTRACHECKS 
@@ -7,5 +34,59 @@ EXTRA_CFLAGS += -DEXTRACHECKS
 EXTRA_CFLAGS += -DDEBUG
 #EXTRA_CFLAGS += -DDEBUG_WORK_IN_THREAD
 
-obj-$(CONFIG_FUSION_SCST) += mpt_scst.o
+ifeq ($(KVER),)
+  ifeq ($(KDIR),)
+    KDIR := /lib/modules/$(shell uname -r)/build
+  endif
+else
+  KDIR := /lib/modules/$(KVER)/build
+endif
 
+LSI_INC_DIR := $(KDIR)/drivers/message/fusion
+EXTRA_CFLAGS += -I$(LSI_INC_DIR)
+
+ifneq ($(KERNELRELEASE),)
+obj-m += mpt_scst.o
+else
+
+all: Modules.symvers Module.symvers
+	$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd) BUILD_INI=m
+
+tgt: Modules.symvers Module.symvers
+	$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd) BUILD_INI=n
+
+install: all
+	$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd) BUILD_INI=m \
+		modules_install
+	-depmod -a
+
+SCST_MOD_VERS := $(shell ls $(SCST_DIR)/Modules.symvers 2>/dev/null)
+ifneq ($(SCST_MOD_VERS),)
+Modules.symvers: $(SCST_DIR)/Modules.symvers
+	cp $(SCST_DIR)/Modules.symvers .
+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 .
+else
+.PHONY: Module.symvers
+endif
+
+uninstall:
+	rm -f $(INSTALL_DIR)/mpt_scst.ko
+	-/sbin/depmod -a
+endif
+
+clean:
+	rm -f *.o *.ko .*.cmd *.mod.c .*.d .depend *~ Modules.symvers \
+		Module.symvers Module.markers modules.order
+	rm -rf .tmp_versions
+
+extraclean: clean
+
+.PHONY: all tgt install uninstall clean extraclean

mpt/README

@@ -18,12 +18,15 @@ Building from the Linux kernel tree
 
 To build from the kernel tree, you should:
 
-1. Link drivers/message/fusion/mpt_scst to $(SCST_DIR)/mpt
+1. Link drivers/message/fusion/mpt_scst to $(SCST_DIR)/mpt.
 
-2. Patch drivers/message/fusion/Makefile and
+2. Copy or link Makefile and Kconfig from $(SCST_DIR)/mpt/in-tree to
+$(SCST_DIR)/mpt (Makefile will be replaced).
+
+3. Patch drivers/message/fusion/Makefile and
 drivers/message/fusion/Kconfig by diffs from $(SCST_DIR)/mpt/in-tree
 
-3. Correct in drivers/message/fusion/Makefile SCST_INC_DIR variable so
+4. Correct in drivers/message/fusion/Makefile SCST_INC_DIR variable so
 it points to correct directory with SCST include files.
 
 Building outside the Linux kernel tree

mpt/in-tree/Makefile

@@ -0,0 +1,11 @@
+SCST_INC_DIR := include/scst
+FUSION_INC_DIR := drivers/message/fusion
+EXTRA_CFLAGS += -I$(SCST_INC_DIR) -I$(FUSION_INC_DIR) -Iinclude/scsi
+
+EXTRA_CFLAGS += -DEXTRACHECKS 
+#EXTRA_CFLAGS += -DTRACING
+EXTRA_CFLAGS += -DDEBUG
+#EXTRA_CFLAGS += -DDEBUG_WORK_IN_THREAD
+
+obj-$(CONFIG_FUSION_SCST) += mpt_scst.o
+