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runtime/cgo: fix data declaration to be extern

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Otherwise some OS X toolchains complain about the redeclaration
of libcgo_thread_start by multiple object files.  The real definition
is in util.c.

Fixes #2167.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5364045
This commit is contained in:
Russ Cox 2011-11-07 13:15:06 -05:00
parent 1170a6460f
commit 1c42db8835
1 changed files with 1 additions and 1 deletions
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2
src/pkg/runtime/cgo/libcgo.h
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@ -42,7 +42,7 @@ struct ThreadStart
* Makes a local copy of the ThreadStart and
* calls libcgo_sys_thread_start(ts).
*/
void (*libcgo_thread_start)(ThreadStart *ts);
extern void (*libcgo_thread_start)(ThreadStart *ts);
/*
* Creates the new operating system thread (OS, arch dependent).