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meson: set minimum libbpf/bpftool versions for bpf-gcc

We need the following libbpf commits for bpf-gcc compatibility:
 - 3d484ca473
 - b31ca3fa0e

These are first present in libbpf 1.0.0 and bpftool 7.0.0.
This commit is contained in:
James Hilliard 2022-10-01 00:09:53 +00:00 committed by Yu Watanabe
parent 7b8e0c3e9f
commit b88323e4e0

View File

@ -1047,18 +1047,28 @@ if not libcap.found()
endif
want_bpf_framework = get_option('bpf-framework')
bpf_compiler = get_option('bpf-compiler')
bpf_framework_required = want_bpf_framework == 'true'
libbpf = dependency('libbpf', required : bpf_framework_required, version : '>= 0.2')
libbpf_version_requirement = '>= 0.2.0'
if bpf_compiler == 'gcc'
libbpf_version_requirement = '>= 1.0.0'
endif
libbpf = dependency('libbpf', required : bpf_framework_required, version : libbpf_version_requirement)
conf.set10('HAVE_LIBBPF', libbpf.found())
bpftool_strip_version_requirement = '>= 5.13.0'
if bpf_compiler == 'gcc'
bpftool_strip_version_requirement = '>= 7.0.0'
endif
if want_bpf_framework == 'false' or not libbpf.found() or skip_deps
conf.set10('BPF_FRAMEWORK', false)
else
bpf_compiler = get_option('bpf-compiler')
clang_found = false
clang_supports_bpf = false
bpf_gcc_found = false
bpftool_strip = false
deps_found = false
if bpf_compiler == 'clang'
@ -1094,16 +1104,16 @@ else
# Debian installs this in /usr/sbin/ which is not in $PATH.
# We check for 'bpftool' first, honouring $PATH, and in /usr/sbin/ for Debian.
# We use 'bpftool gen object' subcommand for bpftool strip, it was added by d80b2fcbe0a023619e0fc73112f2a02c2662f6ab (v5.13).
bpftool_strip_required = bpf_framework_required and bpf_compiler == 'gcc'
bpftool = find_program('bpftool',
'/usr/sbin/bpftool',
required : false,
version : '>= 5.13.0')
required : bpftool_strip_required,
version : bpftool_strip_version_requirement)
if bpftool.found()
bpftool_strip = true
deps_found = true
else
bpftool_strip = false
elif bpf_compiler == 'clang'
# We require the 'bpftool gen skeleton' subcommand, it was added by 985ead416df39d6fe8e89580cc1db6aa273e0175 (v5.6).
bpftool = find_program('bpftool',
'/usr/sbin/bpftool',