Re: [PATCH bpf-next] tools/bpf: make libbpf _GNU_SOURCE friendly

2018-11-29 Thread Yonghong Song
On 11/29/18 1:00 PM, Jakub Kicinski wrote: > On Thu, 29 Nov 2018 12:38:03 -0800, Yonghong Song wrote: >> diff --git a/tools/lib/bpf/libbpf_errno.c b/tools/lib/bpf/libbpf_errno.c >> index d83b17f8435c..286e497c50ec 100644 >> --- a/tools/lib/bpf/libbpf_errno.c >> +++ b/tools/lib/bpf/libbpf_errno.c

Re: [PATCH bpf-next] tools/bpf: make libbpf _GNU_SOURCE friendly

2018-11-29 Thread Jakub Kicinski
On Thu, 29 Nov 2018 12:38:03 -0800, Yonghong Song wrote: > diff --git a/tools/lib/bpf/libbpf_errno.c b/tools/lib/bpf/libbpf_errno.c > index d83b17f8435c..286e497c50ec 100644 > --- a/tools/lib/bpf/libbpf_errno.c > +++ b/tools/lib/bpf/libbpf_errno.c > @@ -40,9 +40,19 @@ int libbpf_strerror(int err, c

[PATCH bpf-next] tools/bpf: make libbpf _GNU_SOURCE friendly

2018-11-29 Thread Yonghong Song
During porting libbpf to bcc, I got some warnings like below: ... [ 2%] Building C object src/cc/CMakeFiles/bpf-shared.dir/libbpf/src/libbpf.c.o /home/yhs/work/bcc2/src/cc/libbpf/src/libbpf.c:12:0: warning: "_GNU_SOURCE" redefined [enabled by default] #define _GNU_SOURCE ... [ 3%]