root/src/pkg/runtime/cgo/iscgo.c

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// Copyright 2010 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.

// The runtime package contains an uninitialized definition
// for runtime·iscgo.  Override it to tell the runtime we're here.
// There are various function pointers that should be set too,
// but those depend on dynamic linker magic to get initialized
// correctly, and sometimes they break.  This variable is a
// backup: it depends only on old C style static linking rules.

#include "../runtime.h"

bool runtime·iscgo = 1;
uint32 runtime·needextram = 1;  // create an extra M on first cgo call

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