#
# Makefile for MARS
#

KBUILD_CFLAGS += -fdelete-null-pointer-checks

obj-$(if $(KBUILD_EXTMOD),m,$(CONFIG_MARS)) := mars.o

mars-y :=				\
	lamport.o			\
	brick_say.o			\
	brick_mem.o			\
	brick.o				\
	mars_generic.o			\
	lib_log.o			\
	lib_rank.o			\
	lib_limiter.o			\
	lib_timing.o			\
	lib_mapfree.o			\
	mars_net.o			\
	mars_server.o			\
	mars_client.o			\
	mars_aio.o			\
	mars_sio.o			\
	mars_bio.o			\
	mars_if.o			\
	mars_copy.o			\
	mars_trans_logger.o		\
	sy_old/sy_generic.o		\
	sy_old/sy_net.o			\
	sy_old/mars_proc.o		\
	sy_old/mars_main.o

ifdef CONFIG_DEBUG_KERNEL

KBUILD_CFLAGS += -fno-inline-functions -fno-inline-small-functions -fno-inline-functions-called-once

# This is currently not really used.
# We urge people to maintain it by including it in debug versions
# (so the compiler may throw any complaints)

mars-y += 				\
	mars_dummy.o			\
	mars_check.o			\
	mars_buf.o			\
	mars_usebuf.o			\

endif

extra-y := mars_config.h buildtag.h

$(obj)/buildtag.h:
	exec > $@;\
	/bin/echo -e "/* Automatically generated -- DO NOT EDIT! */";\
	if [ "$$MARSVERSION" != "" ]; then \
		BUILDTAG="$$MARSVERSION"; \
	elif git describe --tags >/dev/null 2>&1; then \
		BUILDTAG="$$(git describe --tags)"; \
	elif [ -e DISTVERSION ]; then \
		BUILDTAG=$$(cat DISTVERSION); \
	else \
		BUILDTAG="no-buildtag-available"; \
	fi; \
	/bin/echo -e "#define BUILDTAG  \"$$BUILDTAG\"";\
	/bin/echo -e "#define BUILDHOST \"$$USER@`hostname`\"";\
	/bin/echo -e "#define BUILDDATE \"$$(date '+%F %T')\""
	cat $@;

GEN_CONFIG_SCRIPT := $(obj)/gen_config.pl
$(obj)/mars_config.h:
	$(kecho) "building $@ ..."
	if [ ! -x $(GEN_CONFIG_SCRIPT) ]; then \
	    $(kecho) "MARS: cannot execute script $(GEN_CONFIG_SCRIPT)"; \
	    /bin/false; \
	fi; \
	cat $(src)/Kconfig | $(GEN_CONFIG_SCRIPT) 2>/dev/null > $@;
	cat $@