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- ################################################################################
- #
- # libbpf
- #
- ################################################################################
- LIBBPF_VERSION = 1.1.0
- LIBBPF_SITE = $(call github,libbpf,libbpf,v$(LIBBPF_VERSION))
- LIBBPF_LICENSE = GPL-2.0, LGPL-2.1, BSD-2-Clause
- LIBBPF_LICENSE_FILES = LICENSE LICENSE.BSD-2-Clause LICENSE.LGPL-2.1
- LIBBPF_CPE_ID_VALID = YES
- LIBBPF_DEPENDENCIES = host-bison host-flex host-pkgconf elfutils zlib
- HOST_LIBBPF_DEPENDENCIES = host-bison host-flex host-pkgconf host-elfutils host-zlib
- LIBBPF_INSTALL_STAGING = YES
- define LIBBPF_BUILD_CMDS
- $(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
- -C $(@D)/src
- endef
- # bpf/bpf.h installed by libbpf uses bpf_iter_link_info that was added since
- # kernel 5.9, so we need to update some uapi headers in STAGING_DIR if the
- # toolchain is build with linux-headers < 5.9.
- # Otherwise bpf/bpf.h is broken due to out of date linux/bpf.h installed by the
- # toolchain.
- # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a5cbe05a6673b85bed2a63ffcfea6a96c6410cff
- ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_9),)
- LIBBPF_UPDATE_UAPI_HEADERS = install_uapi_headers
- endif
- define LIBBPF_INSTALL_STAGING_CMDS
- $(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
- -C $(@D)/src install $(LIBBPF_UPDATE_UAPI_HEADERS) \
- DESTDIR=$(STAGING_DIR)
- endef
- define LIBBPF_INSTALL_TARGET_CMDS
- $(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
- -C $(@D)/src install DESTDIR=$(TARGET_DIR)
- endef
- define HOST_LIBBPF_INSTALL_CMDS
- $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) \
- -C $(@D)/src install install_uapi_headers DESTDIR=$(HOST_DIR)
- endef
- $(eval $(generic-package))
- $(eval $(host-generic-package))
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