perf env: Conditionally compile BPF support code on having HAVE_LIBBPF_SUPPORT

[linux-2.6-microblaze.git] / tools / perf / util / env.c

diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index fadc597..9130f6f 100644 (file)
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -5,16 +5,18 @@
 #include "util/header.h"
 #include <linux/ctype.h>
 #include <linux/zalloc.h>
-#include "bpf-event.h"
 #include "cgroup.h"
 #include <errno.h>
 #include <sys/utsname.h>
-#include <bpf/libbpf.h>
 #include <stdlib.h>
 #include <string.h>
 
 struct perf_env perf_env;
 
+#ifdef HAVE_LIBBPF_SUPPORT
+#include "bpf-event.h"
+#include <bpf/libbpf.h>
+
 void perf_env__insert_bpf_prog_info(struct perf_env *env,
                                    struct bpf_prog_info_node *info_node)
 {
@@ -163,6 +165,11 @@ static void perf_env__purge_bpf(struct perf_env *env)
 
        up_write(&env->bpf_progs.lock);
 }
+#else // HAVE_LIBBPF_SUPPORT
+static void perf_env__purge_bpf(struct perf_env *env __maybe_unused)
+{
+}
+#endif // HAVE_LIBBPF_SUPPORT
 
 void perf_env__exit(struct perf_env *env)
 {
@@ -197,11 +204,13 @@ void perf_env__exit(struct perf_env *env)
        zfree(&env->memory_nodes);
 }
 
-void perf_env__init(struct perf_env *env)
+void perf_env__init(struct perf_env *env __maybe_unused)
 {
+#ifdef HAVE_LIBBPF_SUPPORT
        env->bpf_progs.infos = RB_ROOT;
        env->bpf_progs.btfs = RB_ROOT;
        init_rwsem(&env->bpf_progs.lock);
+#endif
 }
 
 int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])