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-rw-r--r--compiler/rustc_target/src/spec/base/managarm_mlibc.rs17
-rw-r--r--compiler/rustc_target/src/spec/base/mod.rs1
-rw-r--r--compiler/rustc_target/src/spec/mod.rs4
-rw-r--r--compiler/rustc_target/src/spec/targets/aarch64_unknown_managarm_mlibc.rs22
-rw-r--r--compiler/rustc_target/src/spec/targets/riscv64gc_unknown_managarm_mlibc.rs24
-rw-r--r--compiler/rustc_target/src/spec/targets/x86_64_unknown_managarm_mlibc.rs24
-rw-r--r--src/bootstrap/Cargo.lock4
-rw-r--r--src/bootstrap/Cargo.toml2
-rw-r--r--src/doc/rustc/src/SUMMARY.md1
-rw-r--r--src/doc/rustc/src/platform-support.md3
-rw-r--r--src/doc/rustc/src/platform-support/managarm.md53
-rw-r--r--src/tools/build-manifest/src/main.rs3
-rw-r--r--tests/assembly-llvm/targets/targets-elf.rs9
-rw-r--r--tests/ui/attributes/auxiliary/used_pre_main_constructor.rs1
-rw-r--r--tests/ui/check-cfg/cfg-crate-features.stderr2
-rw-r--r--tests/ui/check-cfg/well-known-values.stderr6
16 files changed, 169 insertions, 7 deletions
diff --git a/compiler/rustc_target/src/spec/base/managarm_mlibc.rs b/compiler/rustc_target/src/spec/base/managarm_mlibc.rs
new file mode 100644
index 00000000000..da3856b212d
--- /dev/null
+++ b/compiler/rustc_target/src/spec/base/managarm_mlibc.rs
@@ -0,0 +1,17 @@
+use crate::spec::{RelroLevel, TargetOptions, cvs};
+
+pub(crate) fn opts() -> TargetOptions {
+    TargetOptions {
+        os: "managarm".into(),
+        env: "mlibc".into(),
+        dynamic_linking: true,
+        executables: true,
+        families: cvs!["unix"],
+        has_rpath: true,
+        position_independent_executables: true,
+        relro_level: RelroLevel::Full,
+        has_thread_local: true,
+        crt_static_respected: true,
+        ..Default::default()
+    }
+}
diff --git a/compiler/rustc_target/src/spec/base/mod.rs b/compiler/rustc_target/src/spec/base/mod.rs
index b368d93f007..be15da7329d 100644
--- a/compiler/rustc_target/src/spec/base/mod.rs
+++ b/compiler/rustc_target/src/spec/base/mod.rs
@@ -20,6 +20,7 @@ pub(crate) mod linux_ohos;
 pub(crate) mod linux_uclibc;
 pub(crate) mod linux_wasm;
 pub(crate) mod lynxos178;
+pub(crate) mod managarm_mlibc;
 pub(crate) mod msvc;
 pub(crate) mod netbsd;
 pub(crate) mod nto_qnx;
diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
index c53d92bee9d..e97a9b9c776 100644
--- a/compiler/rustc_target/src/spec/mod.rs
+++ b/compiler/rustc_target/src/spec/mod.rs
@@ -2032,6 +2032,10 @@ supported_targets! {
     ("i586-unknown-redox", i586_unknown_redox),
     ("x86_64-unknown-redox", x86_64_unknown_redox),
 
+    ("x86_64-unknown-managarm-mlibc", x86_64_unknown_managarm_mlibc),
+    ("aarch64-unknown-managarm-mlibc", aarch64_unknown_managarm_mlibc),
+    ("riscv64gc-unknown-managarm-mlibc", riscv64gc_unknown_managarm_mlibc),
+
     ("i386-apple-ios", i386_apple_ios),
     ("x86_64-apple-ios", x86_64_apple_ios),
     ("aarch64-apple-ios", aarch64_apple_ios),
diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_managarm_mlibc.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_managarm_mlibc.rs
new file mode 100644
index 00000000000..1fa9d7131c5
--- /dev/null
+++ b/compiler/rustc_target/src/spec/targets/aarch64_unknown_managarm_mlibc.rs
@@ -0,0 +1,22 @@
+use crate::spec::{StackProbeType, Target, base};
+
+pub(crate) fn target() -> Target {
+    let mut base = base::managarm_mlibc::opts();
+    base.max_atomic_width = Some(128);
+    base.stack_probes = StackProbeType::Inline;
+    base.features = "+v8a".into();
+
+    Target {
+        llvm_target: "aarch64-unknown-managarm-mlibc".into(),
+        metadata: crate::spec::TargetMetadata {
+            description: Some("managarm/aarch64".into()),
+            tier: Some(3),
+            host_tools: Some(false),
+            std: Some(false),
+        },
+        pointer_width: 64,
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
+        arch: "aarch64".into(),
+        options: base
+    }
+}
diff --git a/compiler/rustc_target/src/spec/targets/riscv64gc_unknown_managarm_mlibc.rs b/compiler/rustc_target/src/spec/targets/riscv64gc_unknown_managarm_mlibc.rs
new file mode 100644
index 00000000000..abf28310634
--- /dev/null
+++ b/compiler/rustc_target/src/spec/targets/riscv64gc_unknown_managarm_mlibc.rs
@@ -0,0 +1,24 @@
+use crate::spec::{CodeModel, Target, TargetOptions, base};
+
+pub(crate) fn target() -> Target {
+    Target {
+        llvm_target: "riscv64-unknown-managarm-mlibc".into(),
+        metadata: crate::spec::TargetMetadata {
+            description: Some("managarm/riscv64".into()),
+            tier: Some(3),
+            host_tools: Some(false),
+            std: Some(false),
+        },
+        pointer_width: 64,
+        data_layout: "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128".into(),
+        arch: "riscv64".into(),
+        options: TargetOptions {
+            code_model: Some(CodeModel::Medium),
+            cpu: "generic-rv64".into(),
+            features: "+m,+a,+f,+d,+c".into(),
+            llvm_abiname: "lp64d".into(),
+            max_atomic_width: Some(64),
+            ..base::managarm_mlibc::opts()
+        },
+    }
+}
diff --git a/compiler/rustc_target/src/spec/targets/x86_64_unknown_managarm_mlibc.rs b/compiler/rustc_target/src/spec/targets/x86_64_unknown_managarm_mlibc.rs
new file mode 100644
index 00000000000..359e38cb800
--- /dev/null
+++ b/compiler/rustc_target/src/spec/targets/x86_64_unknown_managarm_mlibc.rs
@@ -0,0 +1,24 @@
+use crate::spec::{Cc, LinkerFlavor, Lld, StackProbeType, Target, base};
+
+pub(crate) fn target() -> Target {
+    let mut base = base::managarm_mlibc::opts();
+    base.cpu = "x86-64".into();
+    base.max_atomic_width = Some(64);
+    base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m64"]);
+    base.stack_probes = StackProbeType::Inline;
+
+    Target {
+        llvm_target: "x86_64-unknown-managarm-mlibc".into(),
+        metadata: crate::spec::TargetMetadata {
+            description: Some("managarm/amd64".into()),
+            tier: Some(3),
+            host_tools: Some(false),
+            std: Some(false),
+        },
+        pointer_width: 64,
+        data_layout:
+            "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128".into(),
+        arch: "x86_64".into(),
+        options: base,
+    }
+}
diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock
index be29e77e572..1535d087033 100644
--- a/src/bootstrap/Cargo.lock
+++ b/src/bootstrap/Cargo.lock
@@ -95,9 +95,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.2.23"
+version = "1.2.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f4ac86a9e5bc1e2b3449ab9d7d3a6a405e3d1bb28d7b9be8614f55846ae3766"
+checksum = "4ad45f4f74e4e20eaa392913b7b33a7091c87e59628f4dd27888205ad888843c"
 dependencies = [
  "shlex",
 ]
diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml
index cd5a60187e5..c7175584465 100644
--- a/src/bootstrap/Cargo.toml
+++ b/src/bootstrap/Cargo.toml
@@ -32,7 +32,7 @@ test = false
 # Most of the time updating these dependencies requires modifications to the
 # bootstrap codebase(e.g., https://github.com/rust-lang/rust/issues/124565);
 # otherwise, some targets will fail. That's why these dependencies are explicitly pinned.
-cc = "=1.2.23"
+cc = "=1.2.28"
 cmake = "=0.1.54"
 
 build_helper = { path = "../build_helper" }
diff --git a/src/doc/rustc/src/SUMMARY.md b/src/doc/rustc/src/SUMMARY.md
index e0d637a2a67..8e378e53e51 100644
--- a/src/doc/rustc/src/SUMMARY.md
+++ b/src/doc/rustc/src/SUMMARY.md
@@ -116,6 +116,7 @@
     - [\*-unikraft-linux-musl](platform-support/unikraft-linux-musl.md)
     - [\*-unknown-hermit](platform-support/hermit.md)
     - [\*-unknown-freebsd](platform-support/freebsd.md)
+    - [\*-unknown-managarm-mlibc](platform-support/managarm.md)
     - [\*-unknown-netbsd\*](platform-support/netbsd.md)
     - [\*-unknown-openbsd](platform-support/openbsd.md)
     - [\*-unknown-redox](platform-support/redox.md)
diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md
index edfc2db7d6f..dfe193e6e8a 100644
--- a/src/doc/rustc/src/platform-support.md
+++ b/src/doc/rustc/src/platform-support.md
@@ -258,6 +258,7 @@ target | std | host | notes
 [`aarch64-unknown-hermit`](platform-support/hermit.md) | ✓ |  | ARM64 Hermit
 [`aarch64-unknown-illumos`](platform-support/illumos.md) | ✓ | ✓ | ARM64 illumos
 `aarch64-unknown-linux-gnu_ilp32` | ✓ | ✓ | ARM64 Linux (ILP32 ABI)
+[`aarch64-unknown-managarm-mlibc`](platform-support/managarm.md) | ? |   | ARM64 Managarm
 [`aarch64-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | ARM64 NetBSD
 [`aarch64-unknown-nto-qnx700`](platform-support/nto-qnx.md) | ? |  | ARM64 QNX Neutrino 7.0 RTOS |
 [`aarch64-unknown-nto-qnx710`](platform-support/nto-qnx.md) | ✓ |  | ARM64 QNX Neutrino 7.1 RTOS with default network stack (io-pkt) |
@@ -388,6 +389,7 @@ target | std | host | notes
 `riscv64gc-unknown-freebsd` | ? |   | RISC-V FreeBSD
 `riscv64gc-unknown-fuchsia` | ? |   | RISC-V Fuchsia
 [`riscv64gc-unknown-hermit`](platform-support/hermit.md) | ✓ |   | RISC-V Hermit
+[`riscv64gc-unknown-managarm-mlibc`](platform-support/managarm.md) | ? |   | RISC-V Managarm
 [`riscv64gc-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | RISC-V NetBSD
 [`riscv64gc-unknown-nuttx-elf`](platform-support/nuttx.md) | ✓ |  | RISC-V 64bit with NuttX
 [`riscv64gc-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | OpenBSD/riscv64
@@ -428,6 +430,7 @@ target | std | host | notes
 [`x86_64-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 64-bit GNU/Hurd
 `x86_64-unknown-l4re-uclibc` | ? |  |
 [`x86_64-unknown-linux-none`](platform-support/x86_64-unknown-linux-none.md) | * |  | 64-bit Linux with no libc
+[`x86_64-unknown-managarm-mlibc`](platform-support/managarm.md) | ? |   | x86_64 Managarm
 [`x86_64-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | 64-bit OpenBSD
 [`x86_64-unknown-trusty`](platform-support/trusty.md) | ✓ |  |
 `x86_64-uwp-windows-gnu` | ✓ |  |
diff --git a/src/doc/rustc/src/platform-support/managarm.md b/src/doc/rustc/src/platform-support/managarm.md
new file mode 100644
index 00000000000..aa2d5a7ac23
--- /dev/null
+++ b/src/doc/rustc/src/platform-support/managarm.md
@@ -0,0 +1,53 @@
+# `*-unknown-managarm-mlibc`
+
+**Tier: 3**
+
+## Target Maintainers
+
+- [@no92](https://github.com/no92)
+- [@64](https://github.com/64)
+- [@Dennisbonke](https://github.com/Dennisbonke)
+
+## Requirements
+
+This target is cross-compiled. There is currently no support for `std` yet. It generates binaries in the ELF format. Currently, we support the `x86_64`, `aarch64` and `riscv64gc` architectures. The examples below `$ARCH` should be substituted for one of the supported architectures.
+
+## Building the target
+
+Managarm has upstream support in LLVM since the release of 21.1.0.
+
+Set up your `bootstrap.toml` like this:
+
+```toml
+change-id = 142379
+
+[llvm]
+targets = "X86;AArch64;RISCV"
+download-ci-llvm = false
+
+[build]
+target = ["$ARCH-unknown-managarm-mlibc", "x86_64-unknown-linux-gnu"]
+
+[target.x86_64-unknown-linux-gnu]
+llvm-config = "/path/to/your/llvm/bin/llvm-config"
+
+[target.$ARCH-unknown-managarm-mlibc]
+llvm-config = "/path/to/your/llvm/bin/llvm-config"
+```
+
+## Building Rust programs
+
+Build a `$ARCH-managarm-gcc` using our [gcc fork](https://github.com/managarm/gcc).
+
+```toml
+[build]
+rustc = "/path/to/the/rust-prefix/bin/rustc"
+target = "$ARCH-unknown-managarm-mlibc"
+
+[target.$ARCH-unknown-managarm-mlibc]
+linker = "/path/to/the/managarm-gcc/bin/$ARCH-managarm-gcc"
+```
+
+## Testing
+
+This target does not support running the Rust testsuite yet.
diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index 8f88ab10bf7..2890d26d3f4 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -71,6 +71,7 @@ static TARGETS: &[&str] = &[
     "aarch64-unknown-none-softfloat",
     "aarch64-unknown-redox",
     "aarch64-unknown-uefi",
+    "aarch64-unknown-managarm-mlibc",
     "amdgcn-amd-amdhsa",
     "arm64e-apple-darwin",
     "arm64e-apple-ios",
@@ -155,6 +156,7 @@ static TARGETS: &[&str] = &[
     "riscv64gc-unknown-none-elf",
     "riscv64gc-unknown-linux-gnu",
     "riscv64gc-unknown-linux-musl",
+    "riscv64gc-unknown-managarm-mlibc",
     "s390x-unknown-linux-gnu",
     "sparc64-unknown-linux-gnu",
     "sparcv9-sun-solaris",
@@ -194,6 +196,7 @@ static TARGETS: &[&str] = &[
     "x86_64-unknown-redox",
     "x86_64-unknown-hermit",
     "x86_64-unknown-uefi",
+    "x86_64-unknown-managarm-mlibc",
 ];
 
 /// This allows the manifest to contain rust-docs for hosts that don't build
diff --git a/tests/assembly-llvm/targets/targets-elf.rs b/tests/assembly-llvm/targets/targets-elf.rs
index c935a75a690..b5c116cdfef 100644
--- a/tests/assembly-llvm/targets/targets-elf.rs
+++ b/tests/assembly-llvm/targets/targets-elf.rs
@@ -52,6 +52,9 @@
 //@ revisions: aarch64_unknown_linux_ohos
 //@ [aarch64_unknown_linux_ohos] compile-flags: --target aarch64-unknown-linux-ohos
 //@ [aarch64_unknown_linux_ohos] needs-llvm-components: aarch64
+//@ revisions: aarch64_unknown_managarm_mlibc
+//@ [aarch64_unknown_managarm_mlibc] compile-flags: --target aarch64-unknown-managarm-mlibc
+//@ [aarch64_unknown_managarm_mlibc] needs-llvm-components: aarch64
 //@ revisions: aarch64_unknown_netbsd
 //@ [aarch64_unknown_netbsd] compile-flags: --target aarch64-unknown-netbsd
 //@ [aarch64_unknown_netbsd] needs-llvm-components: aarch64
@@ -490,6 +493,9 @@
 //@ revisions: riscv64gc_unknown_linux_musl
 //@ [riscv64gc_unknown_linux_musl] compile-flags: --target riscv64gc-unknown-linux-musl
 //@ [riscv64gc_unknown_linux_musl] needs-llvm-components: riscv
+//@ revisions: riscv64gc_unknown_managarm_mlibc
+//@ [riscv64gc_unknown_managarm_mlibc] compile-flags: --target riscv64gc-unknown-managarm-mlibc
+//@ [riscv64gc_unknown_managarm_mlibc] needs-llvm-components: riscv
 //@ revisions: riscv64gc_unknown_netbsd
 //@ [riscv64gc_unknown_netbsd] compile-flags: --target riscv64gc-unknown-netbsd
 //@ [riscv64gc_unknown_netbsd] needs-llvm-components: riscv
@@ -649,6 +655,9 @@
 //@ revisions: x86_64_unknown_linux_none
 //@ [x86_64_unknown_linux_none] compile-flags: --target x86_64-unknown-linux-none
 //@ [x86_64_unknown_linux_none] needs-llvm-components: x86
+//@ revisions: x86_64_unknown_managarm_mlibc
+//@ [x86_64_unknown_managarm_mlibc] compile-flags: --target x86_64-unknown-managarm-mlibc
+//@ [x86_64_unknown_managarm_mlibc] needs-llvm-components: x86
 //@ revisions: x86_64_unknown_netbsd
 //@ [x86_64_unknown_netbsd] compile-flags: --target x86_64-unknown-netbsd
 //@ [x86_64_unknown_netbsd] needs-llvm-components: x86
diff --git a/tests/ui/attributes/auxiliary/used_pre_main_constructor.rs b/tests/ui/attributes/auxiliary/used_pre_main_constructor.rs
index 8ea7a9cb4b5..f93a2aae5a1 100644
--- a/tests/ui/attributes/auxiliary/used_pre_main_constructor.rs
+++ b/tests/ui/attributes/auxiliary/used_pre_main_constructor.rs
@@ -20,6 +20,7 @@
         target_os = "nto",
         target_os = "openbsd",
         target_os = "fuchsia",
+        target_os = "managarm",
     ),
     link_section = ".init_array"
 )]
diff --git a/tests/ui/check-cfg/cfg-crate-features.stderr b/tests/ui/check-cfg/cfg-crate-features.stderr
index d69a24f3f64..6b2e628e12e 100644
--- a/tests/ui/check-cfg/cfg-crate-features.stderr
+++ b/tests/ui/check-cfg/cfg-crate-features.stderr
@@ -24,7 +24,7 @@ warning: unexpected `cfg` condition value: `does_not_exist`
 LL | #![cfg(not(target(os = "does_not_exist")))]
    |                   ^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, and `uefi` and 10 more
+   = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, and `tvos` and 11 more
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
    = note: `#[warn(unexpected_cfgs)]` on by default
 
diff --git a/tests/ui/check-cfg/well-known-values.stderr b/tests/ui/check-cfg/well-known-values.stderr
index 18e038a442e..6490fc63fd7 100644
--- a/tests/ui/check-cfg/well-known-values.stderr
+++ b/tests/ui/check-cfg/well-known-values.stderr
@@ -156,7 +156,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE`
 LL |     target_env = "_UNEXPECTED_VALUE",
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `target_env` are: ``, `gnu`, `macabi`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `nto71_iosock`, `nto80`, `ohos`, `p1`, `p2`, `relibc`, `sgx`, `sim`, `uclibc`, and `v5`
+   = note: expected values for `target_env` are: ``, `gnu`, `macabi`, `mlibc`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `nto71_iosock`, `nto80`, `ohos`, `p1`, `p2`, `relibc`, `sgx`, `sim`, `uclibc`, and `v5`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
 
 warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE`
@@ -201,7 +201,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE`
 LL |     target_os = "_UNEXPECTED_VALUE",
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `vexos`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, and `zkvm`
+   = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `vexos`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, and `zkvm`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
 
 warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE`
@@ -274,7 +274,7 @@ LL | #[cfg(target_os = "linuz")] // testing that we suggest `linux`
    |                   |
    |                   help: there is a expected value with a similar name: `"linux"`
    |
-   = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `vexos`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, and `zkvm`
+   = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `vexos`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, and `zkvm`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
 
 warning: 28 warnings emitted
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-10-28 09:59:05 +0000