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# Handling for eBPF legacy programs
#
# Copyright (c) 2024 Netdata Inc.
# SPDX-License-Identifier: GPL-3.0-or-later
include(ExternalProject)
include(NetdataUtil)
set(ebpf-legacy_SOURCE_DIR "${CMAKE_BINARY_DIR}/ebpf-legacy")
set(ebpf-legacy_BUILD_DIR "${CMAKE_BINARY_DIR}/ebpf-legacy-build")
# Fetch the legacy eBPF code.
function(netdata_fetch_legacy_ebpf_code)
netdata_identify_libc(_libc)
if(DEFINED BUILD_SHARED_LIBS)
if(NOT BUILD_SHARED_LIBS)
set(need_static TRUE)
endif()
endif()
if(need_static)
set(_hash ca0c6186b5c9c4640f8ba13ea375b66882203e8ca831a2e6e5e4e039b37f277a)
set(_libc "static")
elseif(_libc STREQUAL "glibc")
set(_hash d3027685e15fdb6406fd36faf45287d79534d40601d388aca5ab87e90959846d)
elseif(_libc STREQUAL "musl")
set(_hash e2268ca1fa012e87d4d3d588e01b3a2389ad8a4b1c878508f6226ce1dad34acf)
else()
message(FATAL_ERROR "Could not determine libc implementation, unable to install eBPF legacy code.")
endif()
ExternalProject_Add(
ebpf-code-legacy
URL https://github.com/netdata/kernel-collector/releases/download/v1.5.0/netdata-kernel-collector-${_libc}-v1.5.0.tar.xz
URL_HASH SHA256=${_hash}
SOURCE_DIR "${ebpf-legacy_SOURCE_DIR}"
CONFIGURE_COMMAND ""
BUILD_COMMAND sh -c "mkdir -p ${ebpf-legacy_BUILD_DIR}/ebpf.d && mv ${ebpf-legacy_SOURCE_DIR}/*netdata_ebpf_*.o ${ebpf-legacy_BUILD_DIR}/ebpf.d"
INSTALL_COMMAND ""
)
endfunction()
function(netdata_install_legacy_ebpf_code)
install(DIRECTORY ${ebpf-legacy_BUILD_DIR}/ebpf.d
DESTINATION usr/libexec/netdata/plugins.d
COMPONENT ebpf-code-legacy)
endfunction()
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