#
#  Fileio_tgt user space dev handler make file
#
#  Copyright (C) 2007 - 2018 Vladislav Bolkhovitin <vst@vlnb.net>
#  Copyright (C) 2007 - 2018 Western Digital Corporation
#
#  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.

ifndef PREFIX
        PREFIX=/usr/local
endif

REVISION ?= $(shell if svn info >/dev/null 2>&1;                        \
	then svn info | sed -n 's/^Revision:[[:blank:]]*/r/p';\
	else git log | grep -c ^commit;                      \
	fi)
VERSION = $(shell echo -n "$$(sed -n 's/^\#define[[:blank:]]VERSION_STR[[:blank:]]*\"\([^-]*\).*\"/\1/p' ../include/version.h).$(REVISION)")

SHELL=/bin/bash

SRCS_F = fileio.c common.c debug.c crc32.c
OBJS_F = $(SRCS_F:.c=.o)

#SRCS_C =
#OBJS_C = $(SRCS_C:.c=.o)

SCST_INC_DIR := $(shell if [ -e "$$PWD/../../scst" ];			\
                  then echo "$$PWD/../../scst/include";			\
                  else echo "$(DESTDIR)$(PREFIX)/include/scst"; fi)
DEBUG_INC_DIR := ../include
INSTALL_DIR := $(DESTDIR)$(PREFIX)/bin/scst

RPM_INC_DIR = ./scst/include
RPM_INC_DIR_EXTRA = ./include
RPM_ARC_DIR_EXTRA = ../include

CFLAGS += -O2 -Wall -Wextra -Wno-unused-parameter -Wstrict-prototypes \
	-I$(SCST_INC_DIR) -I$(DEBUG_INC_DIR) -I$(RPM_INC_DIR) -I$(RPM_INC_DIR_EXTRA) -D_GNU_SOURCE -D__USE_FILE_OFFSET64 \
	-D__USE_LARGEFILE64
PROGS = fileio_tgt
LIBS = -lpthread

CFLAGS += -Wextra -Wno-unused-parameter
CFLAGS += $(LOCAL_CFLAGS)
#CFLAGS += -DDEBUG_NOMEM
#CFLAGS += -DDEBUG_SENSE
#CFLAGS += -DDEBUG_TM_IGNORE
#CFLAGS += -DDEBUG_TM_IGNORE -DDEBUG_TM_FN_IGNORE
#CFLAGS += -DDEBUG_TM_IGNORE_ALL
CFLAGS += -DDEBUG_EXT_COPY_REMAP

-include ../../scst/build_mode

echo := $(shell echo "usr/fileio build mode: $(BUILD_MODE)" >& 2)

BUILD_MODE_CFLAGS_ = -DTRACING -DDEBUG -DEXTRACHECKS \
	-fno-inline -fno-inline-functions
BUILD_MODE_CFLAGS_RELEASE = -DTRACING
BUILD_MODE_CFLAGS_PERF =
CFLAGS += $(BUILD_MODE_CFLAGS_$(BUILD_MODE))


all: $(PROGS)

fileio_tgt: .depend_f $(OBJS_F)
	$(CC) $(OBJS_F) $(LIBS) $(LOCAL_LD_FLAGS) -o $@

#cdrom_tgt: .depend_c  $(OBJS_C)
#	$(CC) $(OBJS_C) $(LIBS) $(LOCAL_LD_FLAGS) -o $@

ifeq (.depend_f,$(wildcard .depend_f))
-include .depend_f
endif

#ifeq (.depend_c,$(wildcard .depend_c))
#-include .depend_c
#endif

%.o: %.c Makefile
	$(CC) -c -o $(@) $(CFLAGS) $(<)

.depend_f:
	$(CC) -M $(CFLAGS) $(SRCS_F) >$(@)

#.depend_c:
#	$(CC) -M $(CFLAGS) $(SRCS_C) >$(@)

install: all
	install -d $(INSTALL_DIR)
	install -m 755 $(PROGS) $(INSTALL_DIR)

uninstall:
	rm -f $(INSTALL_DIR)/$(PROGS)

clean:
	rm -f *.o $(PROGS) .depend*

extraclean: clean
	rm -f *.orig *.rej
	rm -f *.orig *.rej *.tar.bz2
	@find . -type d -name rpmbuilddir | xargs rm -rf

2release:
	-$(MAKE) clean

2debug:
	-$(MAKE) clean

2perf:
	-$(MAKE) clean

release-archive:
	../../scripts/generate-release-archive fileio_tgt $(VERSION)

rpm-archive:
	../../scripts/generate-release-archive fileio_tgt $(VERSION) \
	"$$(../../scripts/list-source-files)" $(SCST_INC_DIR)/* $(RPM_ARC_DIR_EXTRA)

rpm:
	name=fileio_tgt &&                                              \
	rpmtopdir="$$(if [ $$(id -u) = 0 ]; then echo /usr/src/packages;\
		else echo $$PWD/rpmbuilddir; fi)" &&                    \
	$(MAKE) rpm-archive &&                                          \
	for d in BUILD RPMS SOURCES SPECS SRPMS; do                     \
		mkdir -p $${rpmtopdir}/$$d;                                   \
	done &&                                                         \
	cp $${name}-$(VERSION).tar.bz2 $${rpmtopdir}/SOURCES &&         \
	MAKE="$(MAKE)"                                                  \
	rpmbuild --define="%_topdir $${rpmtopdir}"                      \
		--define="%rpm_version $(VERSION)"                      \
		-ba $${name}.spec &&                                    \
	rm -f $${name}-$(VERSION).tar.bz2

.PHONY: all install uninstall clean extraclean 2release 2debug 2perf