third_party/systemd.BUILD

load("@rules_cc//cc:cc_library.bzl", "cc_library")

package(default_visibility = ["//visibility:public"])

genrule(
    name = "gen_systemd_stubs",
    outs = ["systemd_stubs.c"],
    cmd = """
cat << 'EOF' > $@
#include <errno.h>
#include <sys/socket.h>
#include <stddef.h>

const char* errno_to_name(int e) { return "EUNKNOWN"; }
int errno_from_name(const char *name) { return -1; }

int af_from_ipv4_ipv6(const char *name) {
    if (!name) return AF_UNSPEC;
    if (name[0] == '4') return AF_INET;
    if (name[0] == '6') return AF_INET6;
    return AF_UNSPEC;
}

const char* af_to_ipv4_ipv6(int af) {
    if (af == AF_INET) return "4";
    if (af == AF_INET6) return "6";
    return NULL;
}

const char* capability_to_name(int cap) { return NULL; }
int capability_from_name(const char *name) { return -1; }

const void *filesystem_sets = NULL;
int fs_in_group(const char *fstype, const char *group) { return 0; }
EOF
""",
)

cc_library(
    name = "libsystemd",
    srcs = glob(
        [
            "src/basic/**/*.c",
            "src/fundamental/**/*.c",
            "src/libsystemd/**/*.c",
        ],
        exclude = [
            "src/basic/*-list.c",
            "src/basic/arphrd-util.c",
            "src/basic/build.c",
            "src/basic/filesystems.c",
            "src/basic/path-lookup.c",
            "src/libsystemd/sd-path/**/*.c",
            "src/libsystemd/sd-journal/**/*.c",
            "src/libsystemd/sd-hwdb/**/*.c",
            "src/libsystemd/sd-netlink/**/*.c",
            "src/libsystemd/sd-resolve/**/*.c",
            "src/libsystemd/sd-device/**/*.c",
            "src/libsystemd/sd-login/**/*.c",
            "src/libsystemd/**/test-*.c",
            "src/libsystemd/**/fuzz-*.c",
        ],
    ) + [":gen_systemd_stubs"],
    hdrs = glob([
        "src/systemd/*.h",
        "src/basic/**/*.h",
        "src/fundamental/**/*.h",
        "src/libsystemd/**/*.h",
    ]),
    copts = [
        "-D_GNU_SOURCE",
        "-DGPERF_LEN_TYPE=size_t",
        "-DRELATIVE_SOURCE_PATH=\\\"\\\"",
        "-DFALLBACK_HOSTNAME=\\\"localhost\\\"",
        "-DDEFAULT_USER_SHELL=\\\"/bin/sh\\\"",
        "-DNOBODY_USER_NAME=\\\"nobody\\\"",
        "-DNOBODY_GROUP_NAME=\\\"nobody\\\"",
        "-DNOLOGIN=\\\"/sbin/nologin\\\"",
        "-DDEFAULT_TIMEOUT_SEC=25",
        "-DBUILD_MODE_DEVELOPER=0",
        "-DDEFAULT_COMPRESSION=0",
        "-DHAVE_XZ=0",
        "-DHAVE_LZ4=0",
        "-DHAVE_ZSTD=0",
        "-DTTY_MODE=0620",
        "-D_FILE_OFFSET_BITS=64",
        "-DDYNAMIC_UID_MIN=0x0000ed00",
        "-DDYNAMIC_UID_MAX=0x0000ef3f",
        "-DCONTAINER_UID_BASE_MIN=0x00080000",
        "-DCONTAINER_UID_BASE_MAX=0x7fff0000",
        "-DSYSTEM_ALLOC_UID_MIN=1",
        "-DSYSTEM_UID_MAX=999",
        "-DSYSTEM_ALLOC_GID_MIN=1",
        "-DSYSTEM_GID_MAX=999",
        "-DHAVE_REALLOCARRAY=1",
        "-DHAVE_STRUCT_STATX=1",
        "-DHAVE_STRUCT_MOUNT_ATTR=1",
        "-DHAVE_NAME_TO_HANDLE_AT=1",
        "-DHAVE_EXPLICIT_BZERO=1",
        "-DHAVE_MEMFD_CREATE=1",
        "-DHAVE_GETRANDOM=0",
        "-DHAVE_SYS_RANDOM_H=1",
        "-DHAVE_DECL_GETTID=1",
        "-DSIZEOF_PID_T=4",
        "-DSIZEOF_UID_T=4",
        "-DSIZEOF_GID_T=4",
        "-DSIZEOF_TIME_T=8",
        "-DSIZEOF_RLIM_T=8",
        "-DSIZEOF_DEV_T=8",
        "-DSIZEOF_INO_T=8",
        "-DSIZEOF_TIMEX_MEMBER=8",
        "-Wno-format-nonliteral",
        "-Wno-override-init",
        "-Wno-pointer-arith",
        "-Wno-unused-result",
        "-Wno-unknown-warning-option",
    ],
    includes = [
        "src/basic",
        "src/fundamental",
        "src/libsystemd",
        "src/libsystemd/sd-bus",
        "src/libsystemd/sd-event",
        "src/libsystemd/sd-id128",
        "src/systemd",
    ],
    linkopts = ["-lcap"],
    visibility = ["//visibility:public"],
)