2020-12-20 16:12:01 +01:00
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################################################################################
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#
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# libbpf
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#
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################################################################################
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2021-08-12 10:22:10 +02:00
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LIBBPF_VERSION = 0.4.0
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2020-12-20 16:12:01 +01:00
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LIBBPF_SITE = $(call github,libbpf,libbpf,v$(LIBBPF_VERSION))
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LIBBPF_LICENSE = GPL-2.0, LGPL-2.1, BSD-2-Clause
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2021-08-12 10:22:10 +02:00
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LIBBPF_LICENSE_FILES = LICENSE LICENSE.BSD-2-Clause LICENSE.LGPL-2.1
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2020-12-20 16:12:01 +01:00
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LIBBPF_DEPENDENCIES = host-bison host-flex host-pkgconf elfutils zlib
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LIBBPF_INSTALL_STAGING = YES
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define LIBBPF_BUILD_CMDS
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$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
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-C $(@D)/src
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endef
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# bpf/bpf.h installed by libbpf uses bpf_iter_link_info that was added since
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# kernel 5.9, so we need to update some uapi headers in STAGING_DIR if the
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# toolchain is build with linux-headers < 5.9.
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# Otherwise bpf/bpf.h is broken due to out of date linux/bpf.h installed by the
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# toolchain.
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# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a5cbe05a6673b85bed2a63ffcfea6a96c6410cff
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ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_9),)
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LIBBPF_UPDATE_UAPI_HEADERS = install_uapi_headers
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endif
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define LIBBPF_INSTALL_STAGING_CMDS
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$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
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-C $(@D)/src install $(LIBBPF_UPDATE_UAPI_HEADERS) \
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DESTDIR=$(STAGING_DIR)
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endef
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define LIBBPF_INSTALL_TARGET_CMDS
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$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
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-C $(@D)/src install DESTDIR=$(TARGET_DIR)
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endef
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$(eval $(generic-package))
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