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cmd/cgo: don't define intgo in export prologue

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The export prologue goes into the _cgo_export.h file, where it may be
be #include'd by a .swig file. As SWIG defines its own type "intgo",
the definition of "intgo" in the export prologue could conflict.
Since we don't need to define "intgo" in the _cgo_export.h file, don't.

Defining "intgo" in _cgo_export.h was new for this release, so this
should not break any existing code.

No test case as I can't quite bring myself to write a test that
combines SWIG and cgo.

Change-Id: I8073e8300a1860cecd5994b9ad07dd35a4298c89
Reviewed-on: https://go-review.googlesource.com/83936
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Ian Lance Taylor 2017-12-13 17:29:28 -08:00
parent 29918e85ab
commit b944f91f15
1 changed files with 1 additions and 3 deletions
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4
src/cmd/cgo/out.go
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@ -1652,9 +1652,7 @@ const builtinExportProlog = `
#ifndef GO_CGO_EXPORT_PROLOGUE_H
#define GO_CGO_EXPORT_PROLOGUE_H
typedef ptrdiff_t intgo;
typedef struct { const char *p; intgo n; } _GoString_;
typedef struct { const char *p; ptrdiff_t n; } _GoString_;
#endif
`