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* [newlib-cygwin] sys/cdefs.h: Define __hidden as empty on Cygwin
@ 2016-11-08 15:16 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2016-11-08 15:16 UTC (permalink / raw)
To: newlib-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=9ba4744620f277188955f90055237d9e89b8e6f9
commit 9ba4744620f277188955f90055237d9e89b8e6f9
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Tue Nov 8 16:14:43 2016 +0100
sys/cdefs.h: Define __hidden as empty on Cygwin
Non-default visibility attributes are unsupported on PE/COFF, so don't
use in __hidden definition for Cygwin. Add comment.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
newlib/libc/include/sys/cdefs.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/newlib/libc/include/sys/cdefs.h b/newlib/libc/include/sys/cdefs.h
index 2a55a92..f569fc4 100644
--- a/newlib/libc/include/sys/cdefs.h
+++ b/newlib/libc/include/sys/cdefs.h
@@ -466,8 +466,13 @@
#if __GNUC_PREREQ__(4, 0)
#define __sentinel __attribute__((__sentinel__))
#define __exported __attribute__((__visibility__("default")))
+/* Only default visibility is supported on PE/COFF targets. */
+#ifndef __CYGWIN__
#define __hidden __attribute__((__visibility__("hidden")))
#else
+#define __hidden
+#endif
+#else
#define __sentinel
#define __exported
#define __hidden
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2016-11-08 15:16 [newlib-cygwin] sys/cdefs.h: Define __hidden as empty on Cygwin Corinna Vinschen
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