add libbpf source code

libbpf.spec

@@ -0,0 +1,67 @@
+%global githubname   libbpf
+%global githubver    0.0.6
+%global githubfull   %{githubname}-%{githubver}
+
+Name:           %{githubname}
+Version:        %{githubver}
+Release:        1
+Summary:        Libbpf library
+
+License:        LGPLv2 or BSD
+URL:            https://github.com/%{githubname}/%{githubname}
+Source:         https://github.com/%{githubname}/%{githubname}/archive/v%{githubver}.tar.gz
+BuildRequires:  gcc elfutils-libelf-devel elfutils-devel
+
+# This package supersedes libbpf from kernel-tools,
+# which has default Epoch: 0. By having Epoch: 1
+# 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 >= 5.4.0-1
+
+%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}
+
+%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
+%autosetup -n %{githubfull}
+
+%build
+%make_build -C ./src %{make_flags}
+
+%install
+%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
+* Sun Apr 26 2020 openEuler Buildteam <buildteam@openeuler.org> - 0.13.0-1
+- Package init