v4.19.13 snapshot.
diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
new file mode 100644
index 0000000..50df168
--- /dev/null
+++ b/tools/perf/builtin-version.c
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "builtin.h"
+#include "perf.h"
+#include "color.h"
+#include <linux/compiler.h>
+#include <tools/config.h>
+#include <stdio.h>
+#include <string.h>
+#include <subcmd/parse-options.h>
+
+int version_verbose;
+
+struct version {
+ bool build_options;
+};
+
+static struct version version;
+
+static struct option version_options[] = {
+ OPT_BOOLEAN(0, "build-options", &version.build_options,
+ "display the build options"),
+};
+
+static const char * const version_usage[] = {
+ "perf version [<options>]",
+ NULL
+};
+
+static void on_off_print(const char *status)
+{
+ printf("[ ");
+
+ if (!strcmp(status, "OFF"))
+ color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
+ else
+ color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
+
+ printf(" ]");
+}
+
+static void status_print(const char *name, const char *macro,
+ const char *status)
+{
+ printf("%22s: ", name);
+ on_off_print(status);
+ printf(" # %s\n", macro);
+}
+
+#define STATUS(__d, __m) \
+do { \
+ if (IS_BUILTIN(__d)) \
+ status_print(#__m, #__d, "on"); \
+ else \
+ status_print(#__m, #__d, "OFF"); \
+} while (0)
+
+static void library_status(void)
+{
+ STATUS(HAVE_DWARF_SUPPORT, dwarf);
+ STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
+ STATUS(HAVE_GLIBC_SUPPORT, glibc);
+ STATUS(HAVE_GTK2_SUPPORT, gtk2);
+#ifndef HAVE_SYSCALL_TABLE_SUPPORT
+ STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
+#endif
+ STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table);
+ STATUS(HAVE_LIBBFD_SUPPORT, libbfd);
+ STATUS(HAVE_LIBELF_SUPPORT, libelf);
+ STATUS(HAVE_LIBNUMA_SUPPORT, libnuma);
+ STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus);
+ STATUS(HAVE_LIBPERL_SUPPORT, libperl);
+ STATUS(HAVE_LIBPYTHON_SUPPORT, libpython);
+ STATUS(HAVE_SLANG_SUPPORT, libslang);
+ STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto);
+ STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind);
+ STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind);
+ STATUS(HAVE_ZLIB_SUPPORT, zlib);
+ STATUS(HAVE_LZMA_SUPPORT, lzma);
+ STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
+ STATUS(HAVE_LIBBPF_SUPPORT, bpf);
+}
+
+int cmd_version(int argc, const char **argv)
+{
+ argc = parse_options(argc, argv, version_options, version_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
+
+ printf("perf version %s\n", perf_version_string);
+
+ if (version.build_options || version_verbose == 1)
+ library_status();
+
+ return 0;
+}