Add libbpf v0.5.0

This commit adds libbpf-0.5.0, because recent versions of iproute depend
on it. 0.5.0 is the latest released version as of this writing.

Verification:
- Successfully built in a monolithic build environment.
- In conjunction with I63d557112c653d59b88ac3a4798dee0e89246612, the
  sample eBPF test programs and scripts in the v5.10 kernel's source
  tree were successfully executed.

Partial-Bug: #1949217

Signed-off-by: M. Vefa Bicakci <vefa.bicakci@windriver.com>
Change-Id: I24bb7c60e353643add5e63ae7ea7c6516d07c7bf

centos_pkg_dirs

@@ -95,4 +95,5 @@ base/inih
 base/pf-bb-config
 gpu/gpu-operator
 tools/kexec-tools
+tools/libbpf
 networking/iproute

centos_tarball-dl.lst

@@ -48,6 +48,7 @@ kubernetes-v1.20.9.tar.gz#kubernetes-1.20.9#https://github.com/kubernetes/kubern
 kubernetes-v1.21.3.tar.gz#kubernetes-1.21.3#https://github.com/kubernetes/kubernetes/archive/refs/tags/v1.21.3.tar.gz#http##
 kvm-unit-tests.git-4ea7633.tar.bz2#kvm-unit-tests#https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git/snapshot/kvm-unit-tests-20171020.tar.gz#http##
 ldapscripts-2.0.8.tgz#ldapscripts-2.0.8#https://sourceforge.net/projects/ldapscripts/files/ldapscripts/ldapscripts-2.0.8/ldapscripts-2.0.8.tgz/download#http##
+libbpf-0.5.0.tar.gz#libbpf-0.5.0#https://github.com/libbpf/libbpf/archive/v0.5.0.tar.gz#https##
 libtpms-0.6.0-4f0d59d.tar.gz#libtpms-0.6.0#https://github.com/stefanberger/libtpms/tarball/c421ca0f4d00c0caceeda8d62c1efb2b7e47db04#http##
 lldpd-0.9.0.tar.gz#lldpd-0.9.0#https://media.luffy.cx/files/lldpd/lldpd-0.9.0.tar.gz#http##
 lua-1fce39c6397056db645718b8f5821571d97869a4.tar.gz#lua#https://api.github.com/repos/ceph/lua/tarball/1fce39c6397056db645718b8f5821571d97869a4#https##

tools/libbpf/centos/build_srpm.data

@@ -0,0 +1,2 @@
+COPY_LIST="$STX_BASE/downloads/libbpf-0.5.0.tar.gz"
+TIS_PATCH_VER=PKG_GITREVCOUNT

tools/libbpf/centos/libbpf.spec

@@ -0,0 +1,109 @@
+%global githubname   libbpf
+%global githubver    0.5.0
+%global githubfull   %{githubname}-%{githubver}
+
+Name:           %{githubname}
+Version:        %{githubver}
+Release:        1%{?_tis_dist}.%{tis_patch_ver}
+Summary:        Libbpf library
+
+License:        LGPLv2 or BSD
+URL:            https://github.com/%{githubname}/%{githubname}
+Source:         %{githubname}-%{githubver}.tar.gz
+BuildRequires:  gcc elfutils-libelf-devel elfutils-devel
+BuildRequires: make
+%if 0%{?rhel} == 7
+BuildRequires:  devtoolset-8-build
+BuildRequires:  devtoolset-8-binutils
+BuildRequires:  devtoolset-8-gcc
+BuildRequires:  devtoolset-8-make
+%endif
+
+# This package supersedes libbpf from kernel-tools,
+# which has default Epoch: 0. By having Epoch: > 0
+# this libbpf will take over smoothly
+Epoch:          2
+
+%description
+A mirror of bpf-next linux tree bpf-next/tools/lib/bpf directory plus its
+supporting header files. The version of the package reflects the version of
+ABI.
+
+%package devel
+Summary:        Development files for %{name}
+Requires:       %{name} = 2:%{version}-%{release}
+Requires:       kernel-headers >= 5.10.0
+Requires:       zlib
+
+%description devel
+The %{name}-devel package contains libraries header files for
+developing applications that use %{name}
+
+%package static
+Summary: Static library for libbpf development
+Requires: %{name}-devel = 2:%{version}-%{release}
+
+%description static
+The %{name}-static package contains static library for
+developing applications that use %{name}
+
+%define _lto_cflags %{nil}
+
+%global make_flags DESTDIR=%{buildroot} OBJDIR=%{_builddir} CFLAGS="%{build_cflags} -fPIC" LDFLAGS="%{build_ldflags} -Wl,--no-as-needed" LIBDIR=/%{_libdir} NO_PKG_CONFIG=1
+
+%prep
+%if 0%{?rhel} == 7
+source scl_source enable devtoolset-8 || :
+%endif
+
+%autosetup -n %{githubfull}
+
+%build
+%if 0%{?rhel} == 7
+source scl_source enable devtoolset-8 || :
+%endif
+
+%make_build -C ./src %{make_flags}
+
+%install
+%if 0%{?rhel} == 7
+source scl_source enable devtoolset-8 || :
+%endif
+
+%make_install -C ./src %{make_flags}
+
+%files
+%{_libdir}/libbpf.so.%{version}
+%{_libdir}/libbpf.so.0
+
+%files devel
+%{_libdir}/libbpf.so
+%{_includedir}/bpf/
+%{_libdir}/pkgconfig/libbpf.pc
+
+%files static
+%{_libdir}/libbpf.a
+
+%changelog
+* Wed Oct 27 2021 M. Vefa Bicakci <vefa.bicakci@windriver.com> - 2:0.5.0-1.tis
+- Adapt to StarlingX. The base spec file was acquired from:
+  https://src.fedoraproject.org/rpms/libbpf/blob/main/f/libbpf.spec
+- Change the kernel-headers requirement from 5.14.0 to 5.10.0. This should
+  not be an issue, as libbpf advertises itself to be kernel-version agnostic.
+- Add build-time dependency on devtoolset-8 and make the build use it.
+- Trim all changelog entries belonging to years before 2021.
+
+* Fri Sep 10 2021 Jiri Olsa <jolsa@redhat.com> - 2:0.5.0-1
+- release 0.5.0-1
+
+* Thu Jul 22 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2:0.4.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Wed May 26 2021 Jiri Olsa <jolsa@redhat.com> - 2:0.4.0-1
+- release 0.4.0-1
+
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2:0.3.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
+* Fri Jan 22 2021 Jiri Olsa <jolsa@redhat.com> - 2:0.3.0-1
+- release 0.3.0-1