fix(cli): zig cross armv7 (#1384)

Author: Brooooooklyn

.github/workflows/linux-aarch64.yaml

@@ -2,7 +2,6 @@ name: Linux-aarch64
 
 env:
   DEBUG: 'napi:*'
-  CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: 'aarch64-linux-gnu-gcc-9'
 
 on:
   push:
@@ -41,7 +40,7 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-          key: stable-linux-aarch64-gnu-node@16-cargo-cache
+          key: stable-linux-aarch64-gnu-node@18-cargo-cache
 
       - name: Install ziglang
         uses: goto-bus-stop/setup-zig@v2

cli/src/build.ts

@@ -58,12 +58,14 @@ function processZigLinkerArgs(platform: string, args: string[]) {
     return newArgs
   }
   if (platform.includes('linux')) {
-    return args.map((arg) => {
-      if (arg === '-lgcc_s') {
-        return '-lunwind'
-      }
-      return arg
-    })
+    return args
+      .map((arg) => {
+        if (arg === '-lgcc_s') {
+          return '-lunwind'
+        }
+        return arg
+      })
+      .filter((arg) => arg !== '-march=armv7-a')
   }
   return args
 }
@@ -328,10 +330,11 @@ export class BuildCommand extends Command {
         this.zigABIVersion ?? (isCrossForLinux && triple.abi === 'gnu')
           ? DEFAULT_GLIBC_TARGET
           : null
-      const zigTarget = `${ZIG_PLATFORM_TARGET_MAP[triple.raw]}${
+      const mappedZigTarget = ZIG_PLATFORM_TARGET_MAP[triple.raw]
+      const zigTarget = `${mappedZigTarget}${
         zigABIVersion ? `.${zigABIVersion}` : ''
       }`
-      if (!zigTarget) {
+      if (!mappedZigTarget) {
         throw new Error(`${triple.raw} can not be cross compiled by zig`)
       }
       const paths = envPaths('napi-rs')
@@ -371,24 +374,22 @@ export class BuildCommand extends Command {
       )
       await writeFileAsync(
         CCWrapperShell,
-        `${SHEBANG_SH}zig cc -target ${zigTarget} ${forwardArgs}`,
+        `${SHEBANG_SH}node ${linkerWrapper} cc ${forwardArgs}`,
         {
           mode: '777',
         },
       )
       await writeFileAsync(
         CXXWrapperShell,
-        `${SHEBANG_SH}zig c++ -target ${zigTarget} ${forwardArgs}`,
+        `${SHEBANG_SH}node ${linkerWrapper} c++ ${forwardArgs}`,
         {
           mode: '777',
         },
       )
 
       await writeFileAsync(
         linkerWrapper,
-        `${SHEBANG_NODE}const{writeFileSync} = require('fs')\n${processZigLinkerArgs.toString()}\nconst {status} = require('child_process').spawnSync('zig', ['${
-          triple.platform === 'win32' ? 'c++' : 'cc'
-        }', ...processZigLinkerArgs('${
+        `${SHEBANG_NODE}const{writeFileSync} = require('fs')\n${processZigLinkerArgs.toString()}\nconst {status} = require('child_process').spawnSync('zig', [process.argv[2] === "c++" || process.argv[2] === "cc" ? "" : "cc", ...processZigLinkerArgs('${
           triple.raw
         }', process.argv.slice(2)), '-target', '${zigTarget}'], { stdio: 'inherit', shell: true })\nwriteFileSync('${linkerWrapper.replaceAll(
           '\\',
@@ -822,22 +823,23 @@ async function writeJsBinding(
 
 async function patchArmFeaturesHForArmTargets() {
   let zigExePath: string
+  let zigLibDir: string | undefined
   try {
     const zigEnv = JSON.parse(execSync(`zig env`, { encoding: 'utf8' }).trim())
     zigExePath = zigEnv['zig_exe']
+    zigLibDir = zigEnv['lib_dir']
   } catch (e) {
     throw new Error(
       'Cannot get zig env correctly, please ensure the zig is installed correctly on your system',
     )
   }
   try {
-    await writeFileAsync(
-      join(zigExePath, '../lib/libc/glibc/sysdeps/arm/arm-features.h'),
-      ARM_FEATURES_H,
-      {
-        mode: 0o644,
-      },
-    )
+    const p = zigLibDir
+      ? join(zigLibDir, 'libc/glibc/sysdeps/arm/arm-features.h')
+      : join(zigExePath, '../lib/libc/glibc/sysdeps/arm/arm-features.h')
+    await writeFileAsync(p, ARM_FEATURES_H, {
+      mode: 0o644,
+    })
   } catch (e) {
     throw new Error(
       `Cannot patch arm-features.h, error: ${

examples/napi/Cargo.toml

@@ -8,6 +8,9 @@ version = "0.1.0"
 [lib]
 crate-type = ["cdylib"]
 
+[features]
+snmalloc = ["snmalloc-rs"]
+
 [dependencies]
 chrono = "0.4"
 futures = "0.3"
@@ -27,6 +30,11 @@ serde_derive = "1"
 serde_json = "1"
 tokio = { version = "1.20.0", features = ["full"] }
 
+[dependencies.snmalloc-rs]
+version = "0.3"
+features = ["build_cc", "local_dynamic_tls"]
+optional = true
+
 [build-dependencies]
 napi-build = { path = "../../crates/build" }
 

examples/napi/src/lib.rs

@@ -7,6 +7,10 @@ extern crate napi_derive;
 #[macro_use]
 extern crate serde_derive;
 
+#[cfg(feature = "snmalloc")]
+#[global_allocator]
+static ALLOC: snmalloc_rs::SnMalloc = snmalloc_rs::SnMalloc;
+
 #[napi]
 /// This is a const
 pub const DEFAULT_COST: u32 = 12;

tsconfig.json

@@ -27,5 +27,5 @@
     "lib": ["dom", "DOM.Iterable", "ES2019", "ES2020", "esnext"]
   },
   "include": ["."],
-  "exclude": ["node_modules", "bench", "cli/scripts", "scripts"]
+  "exclude": ["node_modules", "bench", "cli/scripts", "scripts", "target"]
 }