meson: use subdir_done() to reduce indent

src/core/bpf/meson.build

@@ -1,61 +1,63 @@
 # SPDX-License-Identifier: LGPL-2.1+
 
-if conf.get('BPF_FRAMEWORK') == 1
-        clang_flags = [
-                '-Wno-compare-distinct-pointer-types',
-                '-O2',
-                '-target',
-                'bpf',
-                '-g',
-                '-c',
-        ]
-
-        clang_arch_flag = '-D__@0@__'.format(host_machine.cpu_family())
-
-        if meson.version().version_compare('>= 0.58')
-                libbpf_include_dir = libbpf.get_variable('includedir')
-        else
-                libbpf_include_dir = libbpf.get_variable(pkgconfig : 'includedir')
-        endif
-
-        bpf_o_unstripped_cmd = [
-                clang,
-                clang_flags,
-                clang_arch_flag,
-                '-I.'
-        ]
-
-        if not meson.is_cross_build()
-                target_triplet_cmd = run_command('gcc', '-dumpmachine', check: false)
-                if target_triplet_cmd.returncode() == 0
-                        target_triplet = target_triplet_cmd.stdout().strip()
-                        bpf_o_unstripped_cmd += [
-                                '-isystem',
-                                '/usr/include/@0@'.format(target_triplet)
-                        ]
-                endif
-        endif
-
-        bpf_o_unstripped_cmd += [
-                '-idirafter',
-                libbpf_include_dir,
-                '@INPUT@',
-                '-o',
-                '@OUTPUT@'
-        ]
-
-        bpf_o_cmd = [
-                llvm_strip,
-                '-g',
-                '@INPUT@',
-                '-o',
-                '@OUTPUT@'
-        ]
-
-        skel_h_cmd = [
-                bpftool,
-                'g',
-                's',
-                '@INPUT@'
-        ]
+if conf.get('BPF_FRAMEWORK') != 1
+        subdir_done()
 endif
+
+clang_flags = [
+        '-Wno-compare-distinct-pointer-types',
+        '-O2',
+        '-target',
+        'bpf',
+        '-g',
+        '-c',
+]
+
+clang_arch_flag = '-D__@0@__'.format(host_machine.cpu_family())
+
+if meson.version().version_compare('>= 0.58')
+        libbpf_include_dir = libbpf.get_variable('includedir')
+else
+        libbpf_include_dir = libbpf.get_variable(pkgconfig : 'includedir')
+endif
+
+bpf_o_unstripped_cmd = [
+        clang,
+        clang_flags,
+        clang_arch_flag,
+        '-I.'
+]
+
+if not meson.is_cross_build()
+        target_triplet_cmd = run_command('gcc', '-dumpmachine', check: false)
+        if target_triplet_cmd.returncode() == 0
+                target_triplet = target_triplet_cmd.stdout().strip()
+                bpf_o_unstripped_cmd += [
+                        '-isystem',
+                        '/usr/include/@0@'.format(target_triplet)
+                ]
+        endif
+endif
+
+bpf_o_unstripped_cmd += [
+        '-idirafter',
+        libbpf_include_dir,
+        '@INPUT@',
+        '-o',
+        '@OUTPUT@'
+]
+
+bpf_o_cmd = [
+        llvm_strip,
+        '-g',
+        '@INPUT@',
+        '-o',
+        '@OUTPUT@'
+]
+
+skel_h_cmd = [
+        bpftool,
+        'g',
+        's',
+        '@INPUT@'
+]

src/core/bpf/restrict_fs/meson.build

@@ -1,22 +1,24 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-if conf.get('BPF_FRAMEWORK') == 1
-        restrict_fs_bpf_o_unstripped = custom_target(
-                'restrict-fs.bpf.unstripped.o',
-                input : 'restrict-fs.bpf.c',
-                output : 'restrict-fs.bpf.unstripped.o',
-                command : bpf_o_unstripped_cmd)
-
-        restrict_fs_bpf_o = custom_target(
-                'restrict-fs.bpf.o',
-                input : restrict_fs_bpf_o_unstripped,
-                output : 'restrict-fs.bpf.o',
-                command : bpf_o_cmd)
-
-        restrict_fs_skel_h = custom_target(
-                'restrict-fs.skel.h',
-                input : restrict_fs_bpf_o,
-                output : 'restrict-fs.skel.h',
-                command : skel_h_cmd,
-                capture : true)
+if conf.get('BPF_FRAMEWORK') != 1
+        subdir_done()
 endif
+
+restrict_fs_bpf_o_unstripped = custom_target(
+        'restrict-fs.bpf.unstripped.o',
+        input : 'restrict-fs.bpf.c',
+        output : 'restrict-fs.bpf.unstripped.o',
+        command : bpf_o_unstripped_cmd)
+
+restrict_fs_bpf_o = custom_target(
+        'restrict-fs.bpf.o',
+        input : restrict_fs_bpf_o_unstripped,
+        output : 'restrict-fs.bpf.o',
+        command : bpf_o_cmd)
+
+restrict_fs_skel_h = custom_target(
+        'restrict-fs.skel.h',
+        input : restrict_fs_bpf_o,
+        output : 'restrict-fs.skel.h',
+        command : skel_h_cmd,
+        capture : true)

src/core/bpf/restrict_ifaces/meson.build

@@ -1,22 +1,24 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-if conf.get('BPF_FRAMEWORK') == 1
-        restrict_ifaces_bpf_o_unstripped = custom_target(
-                'restrict-ifaces.bpf.unstripped.o',
-                input : 'restrict-ifaces.bpf.c',
-                output : 'restrict-ifaces.bpf.unstripped.o',
-                command : bpf_o_unstripped_cmd)
-
-        restrict_ifaces_bpf_o = custom_target(
-                'restrict-ifaces.bpf.o',
-                input : restrict_ifaces_bpf_o_unstripped,
-                output : 'restrict-ifaces.bpf.o',
-                command : bpf_o_cmd)
-
-        restrict_ifaces_skel_h = custom_target(
-                'restrict-ifaces.skel.h',
-                input : restrict_ifaces_bpf_o,
-                output : 'restrict-ifaces.skel.h',
-                command : skel_h_cmd,
-                capture : true)
+if conf.get('BPF_FRAMEWORK') != 1
+        subdir_done()
 endif
+
+restrict_ifaces_bpf_o_unstripped = custom_target(
+        'restrict-ifaces.bpf.unstripped.o',
+        input : 'restrict-ifaces.bpf.c',
+        output : 'restrict-ifaces.bpf.unstripped.o',
+        command : bpf_o_unstripped_cmd)
+
+restrict_ifaces_bpf_o = custom_target(
+        'restrict-ifaces.bpf.o',
+        input : restrict_ifaces_bpf_o_unstripped,
+        output : 'restrict-ifaces.bpf.o',
+        command : bpf_o_cmd)
+
+restrict_ifaces_skel_h = custom_target(
+        'restrict-ifaces.skel.h',
+        input : restrict_ifaces_bpf_o,
+        output : 'restrict-ifaces.skel.h',
+        command : skel_h_cmd,
+        capture : true)

src/core/bpf/socket_bind/meson.build

@@ -1,22 +1,24 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-if conf.get('BPF_FRAMEWORK') == 1
-        socket_bind_bpf_o_unstripped = custom_target(
-                'socket-bind.bpf.unstripped.o',
-                input : 'socket-bind.bpf.c',
-                output : 'socket-bind.bpf.unstripped.o',
-                command : bpf_o_unstripped_cmd)
-
-        socket_bind_bpf_o = custom_target(
-                'socket-bind.bpf.o',
-                input : socket_bind_bpf_o_unstripped,
-                output : 'socket-bind.bpf.o',
-                command : bpf_o_cmd)
-
-        socket_bind_skel_h = custom_target(
-                'socket-bind.skel.h',
-                input : socket_bind_bpf_o,
-                output : 'socket-bind.skel.h',
-                command : skel_h_cmd,
-                capture : true)
+if conf.get('BPF_FRAMEWORK') != 1
+        subdir_done()
 endif
+
+socket_bind_bpf_o_unstripped = custom_target(
+        'socket-bind.bpf.unstripped.o',
+        input : 'socket-bind.bpf.c',
+        output : 'socket-bind.bpf.unstripped.o',
+        command : bpf_o_unstripped_cmd)
+
+socket_bind_bpf_o = custom_target(
+        'socket-bind.bpf.o',
+        input : socket_bind_bpf_o_unstripped,
+        output : 'socket-bind.bpf.o',
+        command : bpf_o_cmd)
+
+socket_bind_skel_h = custom_target(
+        'socket-bind.skel.h',
+        input : socket_bind_bpf_o,
+        output : 'socket-bind.skel.h',
+        command : skel_h_cmd,
+        capture : true)