# SPDX-License-Identifier: LGPL-2.1+

#if 0 /// elogind has a shorter list
# basic_sources = files('''
#         MurmurHash2.c
#         MurmurHash2.h
#         af-list.c
#         af-list.h
#         alloc-util.c
#         alloc-util.h
#         architecture.c
#         architecture.h
#         arphrd-list.c
#         arphrd-list.h
#         async.c
#         async.h
#         audit-util.c
#         audit-util.h
#         barrier.c
#         barrier.h
#         bitmap.c
#         bitmap.h
#         blkid-util.h
#         blockdev-util.c
#         blockdev-util.h
#         bpf-program.c
#         bpf-program.h
#         btrfs-ctree.h
#         btrfs-util.c
#         btrfs-util.h
#         build.h
#         bus-label.c
#         bus-label.h
#         calendarspec.c
#         calendarspec.h
#         cap-list.c
#         cap-list.h
#         capability-util.c
#         capability-util.h
#         cgroup-util.c
#         cgroup-util.h
#         chattr-util.c
#         chattr-util.h
#         clock-util.c
#         clock-util.h
#         conf-files.c
#         conf-files.h
#         copy.c
#         copy.h
#         cpu-set-util.c
#         cpu-set-util.h
#         crypt-util.c
#         crypt-util.h
#         def.h
#         device-nodes.c
#         device-nodes.h
#         dirent-util.c
#         dirent-util.h
#         env-util.c
#         env-util.h
#         errno-list.c
#         errno-list.h
#         escape.c
#         escape.h
#         ether-addr-util.c
#         ether-addr-util.h
#         exec-util.c
#         exec-util.h
#         exit-status.c
#         exit-status.h
#         extract-word.c
#         extract-word.h
#         fd-util.c
#         fd-util.h
#         fileio-label.c
#         fileio-label.h
#         fileio.c
#         fileio.h
#         format-table.c
#         format-table.h
#         format-util.h
#         fs-util.c
#         fs-util.h
#         glob-util.c
#         glob-util.h
#         gunicode.c
#         gunicode.h
#         hash-funcs.c
#         hash-funcs.h
#         hashmap.c
#         hashmap.h
#         hexdecoct.c
#         hexdecoct.h
#         hostname-util.c
#         hostname-util.h
#         in-addr-util.c
#         in-addr-util.h
#         io-util.c
#         io-util.h
#         ioprio.h
#         journal-importer.c
#         journal-importer.h
#         khash.c
#         khash.h
#         label.c
#         label.h
#         list.h
#         locale-util.c
#         locale-util.h
#         lockfile-util.c
#         lockfile-util.h
#         log.c
#         log.h
#         login-util.c
#         login-util.h
#         macro.h
#         memfd-util.c
#         memfd-util.h
#         mempool.c
#         mempool.h
#         missing_syscall.h
#         mkdir-label.c
#         mkdir.c
#         mkdir.h
#         module-util.h
#         mount-util.c
#         mount-util.h
#         nss-util.h
#         ordered-set.c
#         ordered-set.h
#         pager.c
#         pager.h
#         os-util.c
#         os-util.h
#         parse-util.c
#         parse-util.h
#         path-util.c
#         path-util.h
#         prioq.c
#         prioq.h
#         proc-cmdline.c
#         proc-cmdline.h
#         process-util.c
#         process-util.h
#         procfs-util.c
#         procfs-util.h
#         random-util.c
#         random-util.h
#         ratelimit.c
#         ratelimit.h
#         raw-clone.h
#         raw-reboot.h
#         reboot-util.c
#         reboot-util.h
#         refcnt.h
#         replace-var.c
#         replace-var.h
#         rlimit-util.c
#         rlimit-util.h
#         rm-rf.c
#         rm-rf.h
#         securebits-util.c
#         securebits-util.h
#         securebits.h
#         selinux-util.c
#         selinux-util.h
#         set.h
#         sigbus.c
#         sigbus.h
#         signal-util.c
#         signal-util.h
#         siphash24.c
#         siphash24.h
#         smack-util.c
#         smack-util.h
#         socket-label.c
#         socket-protocol-list.c
#         socket-protocol-list.h
#         socket-util.c
#         socket-util.h
#         sparse-endian.h
#         special.h
#         stat-util.c
#         stat-util.h
#         stdio-util.h
#         strbuf.c
#         strbuf.h
#         string-table.c
#         string-table.h
#         string-util.c
#         string-util.h
#         strv.c
#         strv.h
#         strxcpyx.c
#         strxcpyx.h
#         syslog-util.c
#         syslog-util.h
#         terminal-util.c
#         terminal-util.h
#         time-util.c
#         time-util.h
#         umask-util.h
#         unaligned.h
#         unit-def.c
#         unit-def.h
#         unit-name.c
#         unit-name.h
#         user-util.c
#         user-util.h
#         utf8.c
#         utf8.h
#         util.c
#         util.h
#         verbs.c
#         verbs.h
#         virt.c
#         virt.h
#         web-util.c
#         web-util.h
#         xattr-util.c
#         xattr-util.h
#         xml.c
#         xml.h
# '''.split())
#else
basic_sources = files('''
        alloc-util.c
        alloc-util.h
        audit-util.c
        audit-util.h
        build.h
        bus-label.c
        bus-label.h
        capability-util.c
        capability-util.h
        cgroup-util.c
        cap-list.c
        cap-list.h
        cgroup-util.h
        conf-files.c
        conf-files.h
        copy.c
        copy.h
        def.h
        dirent-util.c
        dirent-util.h
        env-util.c
        env-util.h
        errno-list.c
        errno-list.h
        escape.c
        escape.h
        exec-util.c
        exec-util.h
        extract-word.c
        extract-word.h
        fd-util.c
        fd-util.h
        fileio.c
        fileio.h
        fileio-label.c
        fileio-label.h
        format-util.h
        fs-util.c
        fs-util.h
        gunicode.c
        gunicode.h
        hash-funcs.c
        hash-funcs.h
        hashmap.c
        hashmap.h
        hexdecoct.c
        hexdecoct.h
        hostname-util.c
        hostname-util.h
        io-util.c
        io-util.h
        khash.c
        khash.h
        label.c
        label.h
        list.h
        locale-util.c
        locale-util.h
        log.c
        log.h
        login-util.c
        login-util.h
        macro.h
        memfd-util.c
        memfd-util.h
        mempool.c
        mempool.h
        missing_syscall.h
        mkdir.c
        mkdir.h
        mkdir-label.c
        mount-util.c
        mount-util.h
        parse-printf-format.c
        parse-printf-format.h
        parse-util.c
        parse-util.h
        path-util.c
        path-util.h
        prioq.c
        prioq.h
        proc-cmdline.c
        proc-cmdline.h
        procfs-util.c
        procfs-util.h
        process-util.c
        process-util.h
        random-util.c
        random-util.h
        refcnt.h
        rm-rf.c
        rm-rf.h
        selinux-util.c
        selinux-util.h
        set.h
        sigbus.c
        sigbus.h
        signal-util.c
        signal-util.h
        siphash24.c
        siphash24.h
        smack-util.c
        smack-util.h
        socket-util.c
        socket-util.h
        sparse-endian.h
        special.h
        stat-util.c
        stat-util.h
        stdio-util.h
        string-table.c
        string-table.h
        string-util.c
        string-util.h
        strv.c
        strv.h
        syslog-util.c
        syslog-util.h
        terminal-util.c
        terminal-util.h
        time-util.c
        time-util.h
        umask-util.h
        unaligned.h
        unit-def.c
        unit-def.h
        unit-name.c
        unit-name.h
        user-util.c
        user-util.h
        utf8.c
        utf8.h
        util.c
        util.h
        verbs.c
        verbs.h
        virt.c
        virt.h
        xattr-util.c
        xattr-util.h
'''.split())
#endif // 0

missing_h = files('missing.h')

generate_gperfs = find_program('generate-gperfs.py')

#if 0 /// elogind has only the cap and errno list.
# generate_af_list = find_program('generate-af-list.sh')
# af_list_txt = custom_target(
#         'af-list.txt',
#         output : 'af-list.txt',
#         command : [generate_af_list, cpp],
#         capture : true)
# 
# generate_arphrd_list = find_program('generate-arphrd-list.sh')
# arphrd_list_txt = custom_target(
#         'arphrd-list.txt',
#         output : 'arphrd-list.txt',
#         command : [generate_arphrd_list, cpp],
#         capture : true)
#endif // 0

generate_cap_list = find_program('generate-cap-list.sh')
cap_list_txt = custom_target(
        'cap-list.txt',
        output : 'cap-list.txt',
#if 0 /// elogind needs musl_missing.h, so generate_cap_list must know the source root
#         command : [generate_cap_list, cpp, config_h, missing_h],
#else
        command : [generate_cap_list, cpp, meson.source_root(), config_h, missing_h],
#endif // 0
        capture : true)

generate_errno_list = find_program('generate-errno-list.sh')
errno_list_txt = custom_target(
        'errno-list.txt',
        output : 'errno-list.txt',
        command : [generate_errno_list, cpp],
        capture : true)

generate_socket_protocol_list = find_program('generate-socket-protocol-list.sh')
socket_protocol_list_txt = custom_target(
        'socket-protocol-list.txt',
        output : 'socket-protocol-list.txt',
        command : [generate_socket_protocol_list, cpp],
        capture : true)

generated_gperf_headers = []
#if 0 /// elogind has only the cap and errno list.
# foreach item : [['af',     af_list_txt,     'af',         ''],
#                 ['arphrd', arphrd_list_txt, 'arphrd',     'ARPHRD_'],
#                 ['cap',    cap_list_txt,    'capability', ''],
#                 ['errno',  errno_list_txt,  'errno',      ''],
#                 ['socket-protocol', socket_protocol_list_txt, 'socket_protocol',     'IPPROTO_']]
#else
foreach item : [['cap',    cap_list_txt,    'capability', ''],
                ['errno',  errno_list_txt,  'errno',      '']]
#endif // 0

        fname = '@0@-from-name.gperf'.format(item[0])
        gperf_file = custom_target(
                fname,
                input : item[1],
                output : fname,
                command : [generate_gperfs, item[2], item[3], '@INPUT@'],
                capture : true)

        fname = '@0@-from-name.h'.format(item[0])
        target1 = custom_target(
                fname,
                input : gperf_file,
                output : fname,
                command : [gperf,
                           '-L', 'ANSI-C', '-t', '--ignore-case',
                           '-N', 'lookup_@0@'.format(item[2]),
                           '-H', 'hash_@0@_name'.format(item[2]),
                           '-p', '-C',
                           '@INPUT@'],
                capture : true)

        fname = '@0@-to-name.h'.format(item[0])
        awkscript = '@0@-to-name.awk'.format(item[0])
        target2 = custom_target(
                fname,
                input : [awkscript, item[1]],
                output : fname,
                command : [awk, '-f', '@INPUT0@', '@INPUT1@'],
                capture : true)

        generated_gperf_headers += [target1, target2]
endforeach

basic_sources += [missing_h] + generated_gperf_headers
#if 0 /// elogind does not need gcrypt
# basic_gcrypt_sources = files(
#         'gcrypt-util.c',
#         'gcrypt-util.h')
#endif // 0

libbasic = static_library(
        'basic',
        basic_sources,
        include_directories : includes,
        dependencies : [threads,
                        libcap,
#if 0 /// Neither blkid nor libmount in elogind
#                         libblkid,
#                         libmount,
#endif // 0
                        libselinux],
        c_args : ['-fvisibility=default'],
        install : false)

#if 0 /// elogind does not need gcrypt
# # A convenience library that is separate from libbasic to avoid
# # unnecessary linking to libgcrypt.
# libbasic_gcrypt = static_library(
#         'basic-gcrypt',
#         basic_gcrypt_sources,
#         include_directories : includes,
#         dependencies : [libgcrypt],
#         c_args : ['-fvisibility=default'])
#endif // 0