From 595bc63e8fb9636bb89c0cff3f879467d3c06988 Mon Sep 17 00:00:00 2001
From: Ali Rizvi-Santiago <arizvisa@gmail.com>
Date: Mon, 12 Nov 2018 21:54:16 +0000
Subject: [PATCH] runtime/cgo: added missing includes for errno.h to the
 windows gcc stubs.

This adds the includes for errno.h to the windows stubs
for runtime/cgo so that "errno" is properly declared.

Due to "errno" not being properly declared, the compiler is
forced to assume it's an external which leaves it up to the
linker. This is an issue in some implementations as errno
might be a macro which results in an unresolved symbol error
during linking.

runtime/cgo/gcc_libinit_windows.c: added include
runtime/cgo/gcc_windows_386.c: added include
runtime/cgo/gcc_windows_amd64.c: added include

Change-Id: I77167d02f7409462979135efc55cf50bbc6bd363
GitHub-Last-Rev: 90da06ee3cbec3f51c6d31185868bb70341ce9d3
GitHub-Pull-Request: golang/go#28747
Reviewed-on: https://go-review.googlesource.com/c/149118
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---
 src/runtime/cgo/gcc_libinit_windows.c | 1 +
 src/runtime/cgo/gcc_windows_386.c     | 1 +
 src/runtime/cgo/gcc_windows_amd64.c   | 1 +
 3 files changed, 3 insertions(+)

diff --git a/src/runtime/cgo/gcc_libinit_windows.c b/src/runtime/cgo/gcc_libinit_windows.c
index b6f51b3e4dd..248d59fd695 100644
--- a/src/runtime/cgo/gcc_libinit_windows.c
+++ b/src/runtime/cgo/gcc_libinit_windows.c
@@ -9,6 +9,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <errno.h>
 
 #include "libcgo.h"
 
diff --git a/src/runtime/cgo/gcc_windows_386.c b/src/runtime/cgo/gcc_windows_386.c
index f2ff710f60c..9184b91393f 100644
--- a/src/runtime/cgo/gcc_windows_386.c
+++ b/src/runtime/cgo/gcc_windows_386.c
@@ -7,6 +7,7 @@
 #include <process.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <errno.h>
 #include "libcgo.h"
 
 static void threadentry(void*);
diff --git a/src/runtime/cgo/gcc_windows_amd64.c b/src/runtime/cgo/gcc_windows_amd64.c
index 511ab44fa98..7192a246315 100644
--- a/src/runtime/cgo/gcc_windows_amd64.c
+++ b/src/runtime/cgo/gcc_windows_amd64.c
@@ -7,6 +7,7 @@
 #include <process.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <errno.h>
 #include "libcgo.h"
 
 static void threadentry(void*);