runcpu: disable --sysroot flag on 8A

src/bin/runcpu.ts

@@ -84,7 +84,7 @@ const argv = await yargs(hideBin(process.argv))
     .parse();
 
 const sunwayGeneration = argv.platform === "host" ? sunway.getHostGeneration() : argv.platform as sunway.SunwayGeneration;
-const sysroot = sunwayGeneration == "6b" ? "/usr/sw/standard-830-6b-test/" : "/usr/sw/swgcc1030_native_tools-8a";
+const sysrootFlag = sunwayGeneration === "6b" ? ["--sysroot", "/usr/sw/standard-830-6b-test/"] : [];
 
 
 // Function to convert hash to prefix
@@ -134,7 +134,7 @@ const specProc = await spawnSPECWithID(
             ...optimizeFlags,
             ...argv.allowMisaligned ? ["-mllvm", sw64UnalignedFlag] : [],
             ...sw64TargetOptions({ simd: argv.simd }),
-            ...["--sysroot", sysroot],
+            ...sysrootFlag,
             ...argv.compilerSuite == "llvm" ? [sunway.mcpu(sunwayGeneration)] : [], // Only add -mcpu for llvm
         ],
         ldflags: [
@@ -142,7 +142,7 @@ const specProc = await spawnSPECWithID(
             ...optimizeFlags,
             "-fuse-ld=lld",
             '-static',
-            ...["--sysroot", sysroot],
+            ...sysrootFlag,
             ...["base", "openmp"].includes(argv.optimizeProfile) ? [
                 ...argv.simd ? ["-Wl,-plugin-opt,-mattr=+simd"] : [],
                 ...argv.allowMisaligned ? [`-Wl,-plugin-opt,${sw64UnalignedFlag}`] : [],