.if empty(_GENUNIX_BUILD)

.if empty(SRCTOP)
.error "You must define SRCTOP to point to the top-level of the repository"
.endif

# process all subdirs only once
# TODO: given this, we will still visit subtrees multiple times if the same
# subdir appears in more than one list
# TODO: if we are building both 32 and 64 bit binaries, we'll visit every
# UNIX_SUBDIR and GENUNIX_SUBDIR twice, but we shouldn't
GENUNIX_SUBDIR := ${GENUNIX_SUBDIR:O:u}
UNIX_SUBDIR := ${UNIX_SUBDIR:O:u}
SUBDIR += ${GENUNIX_SUBDIR} ${UNIX_SUBDIR}
SUBDIR := ${SUBDIR:O:u}

.include <${SRCTOP}/Makefile.cfgparam>
.include <bsd.subdir.mk>

all: genunix unix

genunix: ${GENUNIX_SUBDIR}
	@mkdir -p obj${CONFIG_KERNEL_BITS}
	@${MAKE} -f ${SRCTOP}/kernel/mk/genunix-build-subsys.mk genunix \
		BITS=${CONFIG_KERNEL_BITS} SRCTOP=${SRCTOP} BUILD_GENUNIX=yes

unix: ${UNIX_SUBDIR}
	@mkdir -p obj${CONFIG_KERNEL_BITS}
	@${MAKE} -f ${SRCTOP}/kernel/mk/genunix-build-subsys.mk unix \
		BITS=${CONFIG_KERNEL_BITS} SRCTOP=${SRCTOP} BUILD_GENUNIX=no

clean cleandir:
	@rm -rf obj32 obj64

install:

.PHONY: all clean cleandir install
.PHONY: genunix unix

.endif