Em Thu, Mar 08, 2018 at 06:58:29PM +0800, John Garry escreveu:
> index 1d02faf..7b9e210 100644
> --- a/tools/perf/pmu-events/jevents.c
> @@ -739,25 +739,77 @@ static int get_maxfds(void)
> static FILE *eventsfp;
> static char *mapfile;
>
> +static int is_leaf_dir(const char *fpath)
> +{
> + DIR *d;
> + struct dirent *dir;
> + int res = 1;
> +
> + d = opendir(fpath);
> + if (!d)
> + return 0;
> +
> + while ((dir = readdir(d)) != NULL) {
> + if (dir->d_type == DT_DIR && dir->d_name[0] != '.') {
> + res = 0;
> + break;
> + } else if (dir->d_type == DT_UNKNOWN) {
> + char path[PATH_MAX];
You forgot to add:
#include <limits.h>
Which broke the build on at least:
[root@jouet ~]# time dm
1 13.78 alpine:3.4 : FAIL gcc (Alpine 5.3.0) 5.3.0
2 14.40 alpine:3.5 : FAIL gcc (Alpine 6.2.1) 6.2.1
20160822
3 13.59 alpine:3.6 : FAIL gcc (Alpine 6.3.0) 6.3.0
4 14.94 alpine:3.7 : FAIL gcc (Alpine 6.4.0) 6.4.0
5 14.70 alpine:edge : FAIL gcc (Alpine 6.4.0) 6.4.0
6: amazonlinux:1^C^C
I just fixed it.
build failure:
MKDIR /tmp/build/perf/pmu-events/
HOSTCC /tmp/build/perf/pmu-events/json.o
MKDIR /tmp/build/perf/pmu-events/
HOSTCC /tmp/build/perf/pmu-events/jsmn.o
HOSTCC /tmp/build/perf/pmu-events/jevents.o
LD /tmp/build/perf/libtraceevent-in.o
LINK /tmp/build/perf/libtraceevent.a
LD /tmp/build/perf/libsubcmd-in.o
CC /tmp/build/perf/plugin_jbd2.o
CC /tmp/build/perf/plugin_hrtimer.o
pmu-events/jevents.c: In function 'is_leaf_dir':
pmu-events/jevents.c:879:14: error: 'PATH_MAX' undeclared (first use in this
function)
char path[PATH_MAX];
^~~~~~~~
pmu-events/jevents.c:879:14: note: each undeclared identifier is reported only
once for each function it appears in
AR /tmp/build/perf/libsubcmd.a
mv: can't rename '/tmp/build/perf/pmu-events/.jevents.o.tmp': No such file or
directory
make[3]: *** [/git/linux/tools/build/Makefile.build:96:
/tmp/build/perf/pmu-events/jevents.o] Error 1
CC /tmp/build/perf/plugin_kmem.o
LD /tmp/build/perf/plugin_jbd2-in.o
make[2]: *** [Makefile.perf:501: /tmp/build/perf/pmu-events/jevents-in.o] Error
2
make[2]: *** Waiting for unfinished jobs....
GEN perf-archive
CC /tmp/build/perf/plugin_kvm.o
