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S :=

SPDK_ROOT_DIR := $(CURDIR)
include $(SPDK_ROOT_DIR)/mk/spdk.common.mk

DIRS-y += lib
DIRS-$(CONFIG_SHARED) += shared_lib
DIRS-y += examples app include
DIRS-$(CONFIG_TESTS) += test

.PHONY: all clean $(DIRS-y) include/spdk/config.h mk/config.mk mk/cc.mk \
	cc_version cxx_version .libs_only_other .ldflags ldflags

ifeq ($(SPDK_ROOT_DIR)/lib/env_dpdk,$(CONFIG_ENV))
ifeq ($(CURDIR)/dpdk/build,$(CONFIG_DPDK_DIR))
ifneq ($(SKIP_DPDK_BUILD),1)
DPDKBUILD = dpdkbuild
DIRS-y += dpdkbuild
endif
endif
endif

ifeq ($(CONFIG_SHARED),y)
LIB = shared_lib
else
LIB = lib
endif

all: $(DIRS-y)
clean: $(DIRS-y)
	$(Q)rm -f mk/cc.mk
	$(Q)rm -f include/spdk/config.h

install: all
	$(Q)echo "Installed to $(DESTDIR)$(CONFIG_PREFIX)"

shared_lib: lib
lib: $(DPDKBUILD)
app: $(LIB)
test: $(LIB)
examples: $(LIB)
pkgdep:
	sh ./scripts/pkgdep.sh

$(DIRS-y): mk/cc.mk include/spdk/config.h

mk/cc.mk:
	$(Q)scripts/detect_cc.sh --cc=$(CC) --cxx=$(CXX) --lto=$(CONFIG_LTO) > $@.tmp; \
	cmp -s $@.tmp $@ || mv $@.tmp $@ ; \
	rm -f $@.tmp

include/spdk/config.h: mk/config.mk scripts/genconfig.py
	$(Q)PYCMD=$$(cat PYTHON_COMMAND 2>/dev/null) ; \
	test -z "$$PYCMD" && PYCMD=python ; \
	echo "#ifndef SPDK_CONFIG_H" > $@.tmp; \
	echo "#define SPDK_CONFIG_H" >> $@.tmp; \
	$$PYCMD scripts/genconfig.py $(MAKEFLAGS) >> $@.tmp; \
	echo "#endif /* SPDK_CONFIG_H */" >> $@.tmp; \
	cmp -s $@.tmp $@ || mv $@.tmp $@ ; \
	rm -f $@.tmp

cc_version: mk/cc.mk
	$(Q)echo "SPDK using CC=$(CC)"; $(CC) -v

cxx_version: mk/cc.mk
	$(Q)echo "SPDK using CXX=$(CXX)"; $(CXX) -v

.libs_only_other:
	$(Q)echo -n '$(SYS_LIBS) '
	$(Q)if [ "$(CONFIG_SHARED)" = "y" ]; then \
		echo -n '-lspdk '; \
	fi

.ldflags:
	$(Q)echo -n '$(LDFLAGS) '

ldflags: .ldflags .libs_only_other
	$(Q)echo ''

include $(SPDK_ROOT_DIR)/mk/spdk.subdirs.mk