linux/tools/build/feature/test-clang-bpf-global-var.c
Song Liu 14e5728ff8 bpftool: Only build bpftool-prog-profile if supported by clang
bpftool-prog-profile requires clang to generate BTF for global variables.
When compared with older clang, skip this command. This is achieved by
adding a new feature, clang-bpf-global-var, to tools/build/feature.

Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20200312182332.3953408-2-songliubraving@fb.com
2020-03-13 00:08:33 +01:00

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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
volatile int global_value_for_test = 1;