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meson: set minimum clang/llvm versions for bpf support

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The minimum clang/llvm-strip version needed for building libbpf based
programs is 10.0.0, this is documented here:
https://github.com/libbpf/libbpf/tree/v0.6.1#bpf-co-re-compile-once--run-everywhere

Using an older version such as 9.0.0 will generate objects that
bpftool will not be able to generate skeletons for.
This commit is contained in:
James Hilliard 2022-01-30 19:33:55 -07:00 committed by Yu Watanabe
parent bbe5371345
commit 408832e603
1 changed files with 2 additions and 2 deletions
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4
meson.build
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@ -988,7 +988,7 @@ else
# Support 'versioned' clang/llvm-strip binaries, as seen on Debian/Ubuntu
# (like clang-10/llvm-strip-10)
if meson.is_cross_build() or cc.get_id() != 'clang' or cc.cmd_array()[0].contains('afl-clang') or cc.cmd_array()[0].contains('hfuzz-clang')
r = find_program('clang', required : bpf_framework_required)
r = find_program('clang', required : bpf_framework_required, version : '>= 10.0.0')
clang_found = r.found()
if clang_found
if meson.version().version_compare('>= 0.55')
@ -1018,7 +1018,7 @@ else
else
llvm_strip_bin = 'llvm-strip'
endif
llvm_strip = find_program(llvm_strip_bin, required : bpf_framework_required)
llvm_strip = find_program(llvm_strip_bin, required : bpf_framework_required, version : '>= 10.0.0')
# Debian installs this in /usr/sbin/ which is not in $PATH.
# We check for 'bpftool' first, honouring $PATH, and in /usr/sbin/ for Debian.