code review 5490053: runtime: make more build-friendly

src/pkg/runtime/cgocall.c

 // Copyright 2009 The Go Authors.  All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 #include "runtime.h"
-#include "arch.h"
+#include "arch_GOARCH.h"
 #include "stack.h"
 #include "cgocall.h"
 
 // Cgo call and callback support.
 //
 // To call into the C function f from Go, the cgo-generated code calls
 // runtime.cgocall(_cgo_Cfunc_f, frame), where _cgo_Cfunc_f is a
 // gcc-compiled function written by cgo.
 //
 // runtime.cgocall (below) locks g to m, calls entersyscall
@@ skipping 221 matching lines @@
 runtime·badcgocallback(void)    // called from assembly
 {
         runtime·throw("runtime: misaligned stack in cgocallback");
 }
 
 void
 runtime·cgounimpl(void) // called from (incomplete) assembly
 {
         runtime·throw("runtime: cgo not implemented");
 }