[Mod] First commit

This commit is contained in:
2022-10-31 22:18:58 +08:00
commit 1c8a3d9709
13090 changed files with 526733 additions and 0 deletions

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package/libbpf/Config.in Normal file
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config BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
bool
# see src/bpf.c
default y if BR2_arc
default y if BR2_aarch64 || BR2_aarch64_be
default y if BR2_i386 || BR2_x86_64
default y if BR2_sparc || BR2_sparc64
default y if BR2_s390x
config BR2_PACKAGE_LIBBPF
bool "libbpf"
depends on BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
depends on BR2_TOOLCHAIN_HAS_SYNC_4
depends on BR2_USE_WCHAR # elfutils
depends on !BR2_STATIC_LIBS # elfutils
depends on BR2_TOOLCHAIN_HAS_THREADS # elfutils
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13
depends on BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC # elfutils
select BR2_PACKAGE_ELFUTILS
select BR2_PACKAGE_ZLIB
help
libbpf library.
A mirror of bpf-next linux tree bpf-next/tools/lib/bpf
directory plus its supporting header files. The version
of the package reflects the version of ABI.
https://github.com/libbpf/libbpf
comment "libbpf needs a uClibc or glibc toolchain w/ wchar, dynamic library, threads, headers >= 4.13"
depends on BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
depends on BR2_TOOLCHAIN_HAS_SYNC_4
depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS \
|| !BR2_TOOLCHAIN_HAS_THREADS \
|| !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 \
|| !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)

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# Locally calculated
sha256 f4480242651a93c101ece320030f6b2b9b437f622f807719c13cb32569a6d65a libbpf-0.8.0.tar.gz
sha256 847f4addbd56e2d5be20c4ea0845e972672fc07b755fadaae5f7abd35d71e349 LICENSE
sha256 e1638b9a0c68ca90fad3df1d6b4e430804d2fbdc15e58d02cffddfae38953bbf LICENSE.BSD-2-Clause
sha256 0b9a4febcdee6de55872501d5c1a8f5d8b0d1650cd4d5351995ceb22e889f8ca LICENSE.LGPL-2.1

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package/libbpf/libbpf.mk Normal file
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################################################################################
#
# libbpf
#
################################################################################
LIBBPF_VERSION = 0.8.0
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_VENDOR = libbpf_project
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
# We need to install_uapi_headers so we have btf.h to compile
# host-pahole.
# Nonetheless, this target adds bpf.h which generates a conflict when
# building the kernel:
# In file included from libbpf_internal.h:17:0, from strset.c:9:
# relo_core.h:10:6: error: nested redefinition of 'enum bpf_core_relo_kind'
# enum bpf_core_relo_kind {
# ^~~~~~~~~~~~~~~~~~
# relo_core.h:10:6: error: redeclaration of 'enum bpf_core_relo_kind'
# In file included from libbpf_legacy.h:13:0,
# from libbpf_internal.h:16,
# from strset.c:9:
# /home/francis/buildroot/output/host/include/linux/bpf.h:6497:6: note: originally defined here
# enum bpf_core_relo_kind {
# So, better to remove remove it now since we do not need it to build
# host-pahole, the only user of host-libbpf.
define HOST_LIBBPF_INSTALL_CMDS
$(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) \
-C $(@D)/src install install_uapi_headers DESTDIR=$(HOST_DIR)
rm $(HOST_DIR)/include/linux/bpf.h
endef
$(eval $(generic-package))
$(eval $(host-generic-package))