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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"NetBSD 10.x compile fails (badly)","articleBody":"## Summary\n\nSeems that we have a big problem with the libc constants on NetBSD 10.x\n\n## Details\n\n\u003c!-- Whatever you want to share --\u003e\n\n```\nerror[E0432]: unresolved import `nix::sys::resource`\n   --\u003e vm/src/stdlib/time.rs:676:23\n    |\n676 |         use nix::sys::resource::{getrusage, UsageWho};\n    |                       ^^^^^^^^ could not find `resource` in `sys`\n    |\nnote: found an item that was configured out\n   --\u003e /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/nix-0.29.0/src/sys/mod.rs:96:13\n    |\n96  |     pub mod resource;\n    |             ^^^^^^^^\nnote: the item is gated behind the `resource` feature\n   --\u003e /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/nix-0.29.0/src/sys/mod.rs:95:8\n    |\n95  |     #![feature = \"resource\"]\n    |        ^^^^^^^\n\nerror[E0425]: cannot find value `_SC_AIO_PRIO_DELTA_MAX` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2032:39\n     |\n2032 |         SC_AIO_PRIO_DELTA_MAX = libc::_SC_AIO_PRIO_DELTA_MAX,\n     |                                       ^^^^^^^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_PRIORITIZED_IO` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2072:35\n     |\n2072 |         SC_PRIORITIZED_IO = libc::_SC_PRIORITIZED_IO,\n     |                                   ^^^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_REALTIME_SIGNALS` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2074:37\n     |\n2074 |         SC_REALTIME_SIGNALS = libc::_SC_REALTIME_SIGNALS,\n     |                                     ^^^^^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_RTSIG_MAX` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2076:30\n     |\n2076 |         SC_RTSIG_MAX = libc::_SC_RTSIG_MAX,\n     |                              ^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_AIO_MAX`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1809:1\n     |\n1809 | pub const _SC_AIO_MAX: ::c_int = 52;\n     | ------------------------------ similarly named constant `_SC_AIO_MAX` defined here\n\nerror[E0425]: cannot find value `_SC_SEM_VALUE_MAX` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2080:34\n     |\n2080 |         SC_SEM_VALUE_MAX = libc::_SC_SEM_VALUE_MAX,\n     |                                  ^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_SEM_NSEMS_MAX`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1844:1\n     |\n1844 | pub const _SC_SEM_NSEMS_MAX: ::c_int = 89;\n     | ------------------------------------ similarly named constant `_SC_SEM_NSEMS_MAX` defined here\n\nerror[E0425]: cannot find value `_SC_SIGQUEUE_MAX` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2082:33\n     |\n2082 |         SC_SIGQUEUE_MAX = libc::_SC_SIGQUEUE_MAX,\n     |                                 ^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_XOPEN_CRYPT` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2102:32\n     |\n2102 |         SC_XOPEN_CRYPT = libc::_SC_XOPEN_CRYPT,\n     |                                ^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_XOPEN_SHM`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/mod.rs:585:1\n     |\n585  | pub const _SC_XOPEN_SHM: ::c_int = 30;\n     | -------------------------------- similarly named constant `_SC_XOPEN_SHM` defined here\n\nerror[E0425]: cannot find value `_SC_XOPEN_ENH_I18N` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2103:35\n     |\n2103 |         SC_XOPEN_ENH_I18N = libc::_SC_XOPEN_ENH_I18N,\n     |                                   ^^^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_XOPEN_LEGACY` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2104:33\n     |\n2104 |         SC_XOPEN_LEGACY = libc::_SC_XOPEN_LEGACY,\n     |                                 ^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_XOPEN_REALTIME` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2105:35\n     |\n2105 |         SC_XOPEN_REALTIME = libc::_SC_XOPEN_REALTIME,\n     |                                   ^^^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_XOPEN_REALTIME_THREADS` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2106:43\n     |\n2106 |         SC_XOPEN_REALTIME_THREADS = libc::_SC_XOPEN_REALTIME_THREADS,\n     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_XOPEN_UNIX` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2108:31\n     |\n2108 |         SC_XOPEN_UNIX = libc::_SC_XOPEN_UNIX,\n     |                               ^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_OPEN_MAX`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/mod.rs:559:1\n     |\n559  | pub const _SC_OPEN_MAX: ::c_int = 5;\n     | ------------------------------- similarly named constant `_SC_OPEN_MAX` defined here\n\nerror[E0425]: cannot find value `_SC_XOPEN_VERSION` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2109:34\n     |\n2109 |         SC_XOPEN_VERSION = libc::_SC_XOPEN_VERSION,\n     |                                  ^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_2_VERSION`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/mod.rs:571:1\n     |\n571  | pub const _SC_2_VERSION: ::c_int = 17;\n     | -------------------------------- similarly named constant `_SC_2_VERSION` defined here\n\nerror[E0425]: cannot find value `_SC_XOPEN_XCU_VERSION` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2110:38\n     |\n2110 |         SC_XOPEN_XCU_VERSION = libc::_SC_XOPEN_XCU_VERSION,\n     |                                      ^^^^^^^^^^^^^^^^^^^^^ not found in `libc`\n\nerror[E0425]: cannot find value `_SC_XBS5_ILP32_OFF32` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2117:37\n     |\n2117 |         SC_XBS5_ILP32_OFF32 = libc::_SC_XBS5_ILP32_OFF32,\n     |                                     ^^^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_V6_ILP32_OFF32`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1831:1\n     |\n1831 | pub const _SC_V6_ILP32_OFF32: ::c_int = 74;\n     | ------------------------------------- similarly named constant `_SC_V6_ILP32_OFF32` defined here\n\nerror[E0425]: cannot find value `_SC_XBS5_ILP32_OFFBIG` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2124:38\n     |\n2124 |         SC_XBS5_ILP32_OFFBIG = libc::_SC_XBS5_ILP32_OFFBIG,\n     |                                      ^^^^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_V6_ILP32_OFFBIG`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1832:1\n     |\n1832 | pub const _SC_V6_ILP32_OFFBIG: ::c_int = 75;\n     | -------------------------------------- similarly named constant `_SC_V6_ILP32_OFFBIG` defined here\n\nerror[E0425]: cannot find value `_SC_XBS5_LP64_OFF64` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2131:36\n     |\n2131 |         SC_XBS5_LP64_OFF64 = libc::_SC_XBS5_LP64_OFF64,\n     |                                    ^^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_V6_LP64_OFF64`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1833:1\n     |\n1833 | pub const _SC_V6_LP64_OFF64: ::c_int = 76;\n     | ------------------------------------ similarly named constant `_SC_V6_LP64_OFF64` defined here\n\nerror[E0425]: cannot find value `_SC_XBS5_LPBIG_OFFBIG` in crate `libc`\n    --\u003e vm/src/stdlib/posix.rs:2138:38\n     |\n2138 |         SC_XBS5_LPBIG_OFFBIG = libc::_SC_XBS5_LPBIG_OFFBIG,\n     |                                      ^^^^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_V6_LPBIG_OFFBIG`\n     |\n    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1834:1\n     |\n1834 | pub const _SC_V6_LPBIG_OFFBIG: ::c_int = 77;\n     | -------------------------------------- similarly named constant `_SC_V6_LPBIG_OFFBIG` defined here\n\nerror[E0081]: discriminant value `17` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2029 |         SC_2_VERSION = libc::_SC_2_VERSION,\n     |                        ------------------- `17` assigned here\n...\n2076 |         SC_RTSIG_MAX = libc::_SC_RTSIG_MAX,\n     |                        ------------------- `17` assigned here\n\nerror[E0081]: discriminant value `53` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2032 |         SC_AIO_PRIO_DELTA_MAX = libc::_SC_AIO_PRIO_DELTA_MAX,\n     |                                 ---------------------------- `53` assigned here\n...\n2056 |         SC_MESSAGE_PASSING = libc::_SC_MESSAGE_PASSING,\n     |                              ------------------------- `53` assigned here\n\nerror[E0081]: discriminant value `9` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2036 |         SC_BC_BASE_MAX = libc::_SC_BC_BASE_MAX,\n     |                          --------------------- `9` assigned here\n...\n2102 |         SC_XOPEN_CRYPT = libc::_SC_XOPEN_CRYPT,\n     |                          --------------------- `9` assigned here\n\nerror[E0081]: discriminant value `10` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2037 |         SC_BC_DIM_MAX = libc::_SC_BC_DIM_MAX,\n     |                         -------------------- `10` assigned here\n...\n2103 |         SC_XOPEN_ENH_I18N = libc::_SC_XOPEN_ENH_I18N,\n     |                             ------------------------ `10` assigned here\n\nerror[E0081]: discriminant value `11` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2038 |         SC_BC_SCALE_MAX = libc::_SC_BC_SCALE_MAX,\n     |                           ---------------------- `11` assigned here\n...\n2104 |         SC_XOPEN_LEGACY = libc::_SC_XOPEN_LEGACY,\n     |                           ---------------------- `11` assigned here\n\nerror[E0081]: discriminant value `12` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2039 |         SC_BC_STRING_MAX = libc::_SC_BC_STRING_MAX,\n     |                            ----------------------- `12` assigned here\n...\n2105 |         SC_XOPEN_REALTIME = libc::_SC_XOPEN_REALTIME,\n     |                             ------------------------ `12` assigned here\n\nerror[E0081]: discriminant value `13` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2042 |         SC_COLL_WEIGHTS_MAX = libc::_SC_COLL_WEIGHTS_MAX,\n     |                               -------------------------- `13` assigned here\n...\n2106 |         SC_XOPEN_REALTIME_THREADS = libc::_SC_XOPEN_REALTIME_THREADS,\n     |                                     -------------------------------- `13` assigned here\n\nerror[E0081]: discriminant value `32` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2048 |         SC_IOV_MAX = libc::_SC_IOV_MAX,\n     |                      ----------------- `32` assigned here\n...\n2109 |         SC_XOPEN_VERSION = libc::_SC_XOPEN_VERSION,\n     |                            ----------------------- `32` assigned here\n\nerror[E0081]: discriminant value `37` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2051 |         SC_LOGIN_NAME_MAX = libc::_SC_LOGIN_NAME_MAX,\n     |                             ------------------------ `37` assigned here\n...\n2138 |         SC_XBS5_LPBIG_OFFBIG = libc::_SC_XBS5_LPBIG_OFFBIG,\n     |                                --------------------------- `37` assigned here\n\nerror[E0081]: discriminant value `33` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2052 |         SC_MAPPED_FILES = libc::_SC_MAPPED_FILES,\n     |                           ---------------------- `33` assigned here\n...\n2110 |         SC_XOPEN_XCU_VERSION = libc::_SC_XOPEN_XCU_VERSION,\n     |                                --------------------------- `33` assigned here\n\nerror[E0081]: discriminant value `34` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2053 |         SC_MEMLOCK = libc::_SC_MEMLOCK,\n     |                      ----------------- `34` assigned here\n...\n2117 |         SC_XBS5_ILP32_OFF32 = libc::_SC_XBS5_ILP32_OFF32,\n     |                               -------------------------- `34` assigned here\n\nerror[E0081]: discriminant value `35` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2054 |         SC_MEMLOCK_RANGE = libc::_SC_MEMLOCK_RANGE,\n     |                            ----------------------- `35` assigned here\n...\n2124 |         SC_XBS5_ILP32_OFFBIG = libc::_SC_XBS5_ILP32_OFFBIG,\n     |                                --------------------------- `35` assigned here\n\nerror[E0081]: discriminant value `36` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2055 |         SC_MEMORY_PROTECTION = libc::_SC_MEMORY_PROTECTION,\n     |                                --------------------------- `36` assigned here\n...\n2131 |         SC_XBS5_LP64_OFF64 = libc::_SC_XBS5_LP64_OFF64,\n     |                              ------------------------- `36` assigned here\n\nerror[E0081]: discriminant value `57` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2074 |         SC_REALTIME_SIGNALS = libc::_SC_REALTIME_SIGNALS,\n     |                               -------------------------- `57` assigned here\n...\n2088 |         SC_THREAD_DESTRUCTOR_ITERATIONS = libc::_SC_THREAD_DESTRUCTOR_ITERATIONS,\n     |                                           -------------------------------------- `57` assigned here\n\nerror[E0081]: discriminant value `31` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2084 |         SC_SYNCHRONIZED_IO = libc::_SC_SYNCHRONIZED_IO,\n     |                              ------------------------- `31` assigned here\n...\n2108 |         SC_XOPEN_UNIX = libc::_SC_XOPEN_UNIX,\n     |                         -------------------- `31` assigned here\n\nerror[E0081]: discriminant value `88` assigned more than once\n    --\u003e vm/src/stdlib/posix.rs:2020:5\n     |\n2020 |     pub enum SysconfVar {\n     |     ^^^^^^^^^^^^^^^^^^^\n...\n2082 |         SC_SIGQUEUE_MAX = libc::_SC_SIGQUEUE_MAX,\n     |                           ---------------------- `88` assigned here\n...\n2098 |         SC_TIMER_MAX = libc::_SC_TIMER_MAX,\n     |                        ------------------- `88` assigned here\n```","author":{"url":"https://github.com/isbm","@type":"Person","name":"isbm"},"datePublished":"2025-02-06T20:38:02.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/5506/RustPython/issues/5506"}