$(call Host/SetToolchainInfo)
mkdir -p $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/{include,lib}
$(MAKE) -C $(CUR_BUILD_DIR) \
+ BUILD_CFLAGS="$(HOST_CFLAGS)" \
install_root="$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev" \
install-bootstrap-headers=yes \
install-headers