GitHub pull request #2658 of commit fde56a0c7fc2f89453b948ff606d416ebed53fde, no merge conflicts.sha1origin/pr/2658/mergeghprbActualCommitfde56a0c7fc2f89453b948ff606d416ebed53fdeghprbActualCommitAuthorYonghong SongghprbActualCommitAuthorEmailyhs@fb.comghprbAuthorRepoGitUrlhttps://github.com/iovisor/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginghprbTriggerAuthorLoginMentionghprbPullId2658ghprbTargetBranchmasterghprbSourceBranchyhs_devGIT_BRANCHyhs_devghprbPullAuthorEmailghprbPullAuthorLoginyonghong-songghprbPullAuthorLoginMention@yonghong-songghprbPullDescriptionGitHub pull request #2658 of commit fde56a0c7fc2f89453b948ff606d416ebed53fde, no merge conflicts.ghprbPullTitlesync with latest libbpfghprbPullLinkhttps://github.com/iovisor/bcc/pull/2658ghprbPullLongDescriptionalso add dependency of zlib in a couple of places\r\nas libbpf starts to use zlib directly.\r\n\r\nSigned-off-by: Yonghong Song <yhs@fb.com>ghprbCommentBodynullghprbGhRepositoryiovisor/bccghprbCredentialsId6d3daf13-69b8-48b1-9c8f-ec5353264113false<a title="sync with latest libbpf" href="https://github.com/iovisor/bcc/pull/2658">PR #2658</a>: sync with latest libbpf#18713575747460664bcc-pr #187187false1871525SUCCESS1576898181504https://buildbot.iovisor.org/jenkins/user/tdecacqu/my-views/view/all/job/bcc-pr/187/git187https://buildbot.iovisor.org/jenkins/user/tdecacqu/my-views/view/all/job/bcc-pr/label=fc25/187/187https://buildbot.iovisor.org/jenkins/user/tdecacqu/my-views/view/all/job/bcc-pr/label=fc26/187/187https://buildbot.iovisor.org/jenkins/user/tdecacqu/my-views/view/all/job/bcc-pr/label=fc27/187/187https://buildbot.iovisor.org/jenkins/user/tdecacqu/my-views/view/all/job/bcc-pr/label=fc28/187/187https://buildbot.iovisor.org/jenkins/user/tdecacqu/my-views/view/all/job/bcc-pr/label=ubuntu1604/187/187https://buildbot.iovisor.org/jenkins/user/tdecacqu/my-views/view/all/job/bcc-pr/label=ubuntu1710/187/187https://buildbot.iovisor.org/jenkins/user/tdecacqu/my-views/view/all/job/bcc-pr/label=ubuntu1804/187/