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$NetBSD: patch-media_libpng_pngpriv.h,v 1.5 2020/10/07 11:10:35 wiz Exp $
Fix _POSIX_SOURCE on SunOS.
--- media/libpng/pngpriv.h.orig 2018-06-05 19:47:32.000000000 +0000
+++ media/libpng/pngpriv.h
@@ -36,8 +36,10 @@
* still required (as of 2011-05-02.)
*/
#ifndef _POSIX_SOURCE
+#if !defined(__sun) || (__STDC_VERSION__-0 < 199901L)
# define _POSIX_SOURCE 1 /* Just the POSIX 1003.1 and C89 APIs */
#endif
+#endif
#ifndef PNG_VERSION_INFO_ONLY
/* Standard library headers not required by png.h: */
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