BUILD_PACKAGES:=$(sort $(DEFAULT_PACKAGES) $(USER_PACKAGES) $($(USER_PROFILE)_PACKAGES) kernel)
# "-pkgname" in the package list means remove "pkgname" from the package list
BUILD_PACKAGES:=$(filter-out $(filter -%,$(BUILD_PACKAGES)) $(patsubst -%,%,$(filter -%,$(BUILD_PACKAGES))),$(BUILD_PACKAGES))
BUILD_PACKAGES:=$(sort $(DEFAULT_PACKAGES) $(USER_PACKAGES) $($(USER_PROFILE)_PACKAGES) kernel)
# "-pkgname" in the package list means remove "pkgname" from the package list
BUILD_PACKAGES:=$(filter-out $(filter -%,$(BUILD_PACKAGES)) $(patsubst -%,%,$(filter -%,$(BUILD_PACKAGES))),$(BUILD_PACKAGES))