so/runtime: bare GOOS as fallback

Author: nalgeon

so/runtime/runtime.go

@@ -9,7 +9,7 @@ var runtime_h string
 // one of darwin, linux, windows, and so on.
 //
 //so:extern
-const GOOS string = "unknown"
+const GOOS string = "bare"
 
 // GOARCH is the running program's architecture target:
 // one of amd64, arm64, and so on.
@@ -19,11 +19,7 @@ const GOARCH string = "unknown"
 
 // Recognized GOOS/GOARCH pairs are:
 // GOOS		GOARCH
-// bare		amd64
-// bare		arm64
-// bare		386
-// bare		riscv64
-// bare		wasm
+// bare		*
 // darwin	amd64
 // darwin	arm64
 // linux	amd64

so/runtime/runtime.h

@@ -47,9 +47,7 @@ static inline uint64_t runtime_Seed(void) {
 
 #define runtime_buildVersion so_str(so_version)
 
-#ifndef so_build_hosted
-#define runtime_GOOS so_str("bare")
-#elif defined(so_build_darwin)
+#if defined(so_build_darwin)
 #define runtime_GOOS so_str("darwin")
 #elif defined(so_build_linux)
 #define runtime_GOOS so_str("linux")
@@ -66,7 +64,7 @@ static inline uint64_t runtime_Seed(void) {
 #elif defined(so_build_windows)
 #define runtime_GOOS so_str("windows")
 #else
-#define runtime_GOOS so_str("unknown")
+#define runtime_GOOS so_str("bare")
 #endif
 
 #if defined(so_build_amd64)