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authorSong Liu <songliubraving@fb.com>2020-03-12 11:23:30 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2020-03-13 00:08:33 +0100
commit14e5728ff8176d4d5924b0bf5ab9b1c94d6b3381 (patch)
tree96fd81f008024bf24e32bd4633822a7eef9e9571 /tools/bpf/bpftool/prog.c
parentfe4eb069edb7ab845160350d9e67d572c026a4a7 (diff)
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
Diffstat (limited to 'tools/bpf/bpftool/prog.c')
-rw-r--r--tools/bpf/bpftool/prog.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 576ddd82bc96..925c6c66aad7 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -1545,6 +1545,7 @@ static int do_loadall(int argc, char **argv)
static int do_profile(int argc, char **argv)
{
+ p_err("bpftool prog profile command is not supported. Please build bpftool with clang >= 10.0.0");
return 0;
}