meson, bpf: add build rule for socket-bind program

src/core/bpf/socket_bind/meson.build

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: LGPL-2.1+
+
+if conf.get('BPF_FRAMEWORK') == 1
+        socket_bind_skel_h = custom_target(
+                'socket-bind.skel.h',
+                input : 'socket-bind.bpf.c',
+                output : 'socket-bind.skel.h',
+                command : [build_bpf_skel_py,
+                           '--clang_exec', clang.path(),
+                           '--llvm_strip_exec', llvm_strip.path(),
+                           '--bpftool_exec', bpftool.path(),
+                           '--arch', host_machine.cpu_family(),
+                           '@INPUT@', '@OUTPUT@'])
+endif

src/core/meson.build

@@ -123,6 +123,11 @@ libcore_sources = '''
         unit.h
 '''.split()
 
+subdir('bpf/socket_bind')
+if conf.get('BPF_FRAMEWORK') == 1
+        libcore_sources += [socket_bind_skel_h]
+endif
+
 load_fragment_gperf_gperf = custom_target(
         'load-fragment-gperf.gperf',
         input : 'load-fragment-gperf.gperf.m4',