GitHub pull request #3426 of commit 6d141239442995c0eef08ec9063ae468255b1cbd, no merge conflicts.sha1origin/pr/3426/mergeghprbActualCommit6d141239442995c0eef08ec9063ae468255b1cbdghprbActualCommitAuthorghprbActualCommitAuthorEmailghprbAuthorRepoGitUrlhttps://github.com/vt-alt/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginyonghong-songghprbTriggerAuthorLoginMention@yonghong-songghprbPullId3426ghprbTargetBranchmasterghprbSourceBranchfix-dependencyGIT_BRANCHfix-dependencyghprbPullAuthorEmailghprbPullAuthorLoginvt-altghprbPullAuthorLoginMention@vt-altghprbPullDescriptionGitHub pull request #3426 of commit 6d141239442995c0eef08ec9063ae468255b1cbd, no merge conflicts.ghprbPullTitlelibbpf-tools: Fix build dependence for parallel buildsghprbPullLinkhttps://github.com/iovisor/bcc/pull/3426ghprbPullLongDescriptionAdd LIBBPF_OBJ dependence to `%.o'.\r\n\r\nWhen libbpf-tools built in parallel (with `make -j`) sometimes\r\n`map_helpers.o' is built before `libbpf.a' causing build error:\r\n```\r\n $ make -j8 -C libbpf-tools BPFTOOL=/usr/sbin/bpftool\r\n ...\r\n make: Entering directory '/usr/src/RPM/BUILD/bcc-0.19.0/libbpf-tools'\r\n CC map_helpers.o\r\n In file included from map_helpers.c:7:\r\n ./map_helpers.h:6:10: fatal error: 'bpf/bpf.h' file not found\r\n ^~~~~~~~~~~\r\n 1 error generated.\r\n ...\r\n make: Leaving directory '/usr/src/RPM/BUILD/bcc-0.19.0/libbpf-tools'\r\n INSTALL bpf.h libbpf.h btf.h xsk.h libbpf_util.h bpf_helpers.h bpf_helper_defs.h bpf_tracing.h bpf_endian.h bpf_core_read.h libbpf_common.h\r\n ...\r\n INSTALL libbpf.a\r\n error: Bad exit status from /usr/src/tmp/rpm-tmp.63536 (%build)\r\n```\r\nFixes: #3412\r\nghprbCommentBody[buildbot, test this please]ghprbGhRepositoryiovisor/bccghprbCredentialsId6d3daf13-69b8-48b1-9c8f-ec5353264113false<a title="libbpf-tools: Fix build dependence for parallel builds" href="https://github.com/iovisor/bcc/pull/3426">PR #3426</a>: libbpf-tools: Fix build dep...#98112505857460664bcc-pr #981981false9817857SUCCESS1620945944499https://buildbot.iovisor.org/jenkins/user/danobi/my-views/view/all/job/bcc-pr/981/git981https://buildbot.iovisor.org/jenkins/user/danobi/my-views/view/all/job/bcc-pr/label=fc25/981/981https://buildbot.iovisor.org/jenkins/user/danobi/my-views/view/all/job/bcc-pr/label=fc26/981/981https://buildbot.iovisor.org/jenkins/user/danobi/my-views/view/all/job/bcc-pr/label=fc27/981/981https://buildbot.iovisor.org/jenkins/user/danobi/my-views/view/all/job/bcc-pr/label=fc28/981/981https://buildbot.iovisor.org/jenkins/user/danobi/my-views/view/all/job/bcc-pr/label=ubuntu1604/981/981https://buildbot.iovisor.org/jenkins/user/danobi/my-views/view/all/job/bcc-pr/label=ubuntu1710/981/981https://buildbot.iovisor.org/jenkins/user/danobi/my-views/view/all/job/bcc-pr/label=ubuntu1804/981/