sdk multi binary support

Author: nicoloboschi

sdk/node/src/index.ts

@@ -81,10 +81,37 @@ function getPlatform(): string {
   if (os === "darwin") {
     return "darwin-aarch64"; // Intel Macs use Rosetta
   } else if (os === "linux") {
+    // Detect architecture
+    let arch_str: string;
     if (cpu === "x64") {
-      return "linux-x86_64";
+      arch_str = "x86_64";
+    } else if (cpu === "arm64") {
+      arch_str = "aarch64";
+    } else {
+      throw new Pg0NotFoundError(`Unsupported Linux architecture: ${cpu}`);
     }
-    throw new Pg0NotFoundError(`Unsupported Linux architecture: ${cpu}`);
+
+    // Detect libc (musl vs glibc)
+    // Check for musl by looking for the musl loader
+    const { execSync } = require("child_process");
+    try {
+      const ldd = execSync("ldd --version 2>&1", { encoding: "utf-8" });
+      if (ldd.toLowerCase().includes("musl")) {
+        return `linux-${arch_str}-musl`;
+      }
+    } catch {
+      // If ldd fails, check for musl loader file
+      const { existsSync } = require("fs");
+      if (
+        existsSync(`/lib/ld-musl-${arch_str}.so.1`) ||
+        existsSync(`/lib/ld-musl-x86_64.so.1`) ||
+        existsSync(`/lib/ld-musl-aarch64.so.1`)
+      ) {
+        return `linux-${arch_str}-musl`;
+      }
+    }
+    // Default to glibc
+    return `linux-${arch_str}-gnu`;
   } else if (os === "win32") {
     return "windows-x86_64";
   }

sdk/python/pg0/__init__.py

@@ -104,10 +104,42 @@ def _get_platform() -> str:
         # macOS - only Apple Silicon supported, Intel uses Rosetta
         return "darwin-aarch64"
     elif system == "linux":
+        # Detect architecture
         if machine in ("x86_64", "amd64"):
-            return "linux-x86_64"
+            arch_str = "x86_64"
+        elif machine in ("aarch64", "arm64"):
+            arch_str = "aarch64"
         else:
             raise Pg0NotFoundError(f"Unsupported Linux architecture: {machine}")
+
+        # Detect libc (musl vs glibc)
+        # Check for musl by looking for the musl loader
+        import subprocess
+        try:
+            result = subprocess.run(
+                ["ldd", "--version"],
+                capture_output=True,
+                text=True,
+                timeout=5,
+            )
+            output = result.stdout + result.stderr
+            if "musl" in output.lower():
+                return f"linux-{arch_str}-musl"
+        except (FileNotFoundError, subprocess.TimeoutExpired):
+            pass
+
+        # Check for musl loader file
+        musl_loaders = [
+            f"/lib/ld-musl-{arch_str}.so.1",
+            "/lib/ld-musl-x86_64.so.1",
+            "/lib/ld-musl-aarch64.so.1",
+        ]
+        for loader in musl_loaders:
+            if Path(loader).exists():
+                return f"linux-{arch_str}-musl"
+
+        # Default to glibc
+        return f"linux-{arch_str}-gnu"
     elif system == "windows":
         return "windows-x86_64"
     else: