(patch) Fix _POSIX_CLOCK_SELECTION in emscripten (set value to 0) because...

(patch) Fix _POSIX_CLOCK_SELECTION in emscripten (set value to 0) because clock_nanosleep is not defined

patch_emscripten/0001-Set-_CLOCK_POSIX_SELECTION-to-0-because-clock_nanosl.patch

+From cdb3730114d038e4d2ba09e6812413474410da11 Mon Sep 17 00:00:00 2001
+From: Etienne Brateau <etienne.brateau@gmail.com>
+Date: Fri, 25 Aug 2017 10:24:40 +0200
+Subject: [PATCH] Set _CLOCK_POSIX_SELECTION to 0 because clock_nanosleep is
+ not defined.
+
+---
+ system/include/libc/unistd.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/system/include/libc/unistd.h b/system/include/libc/unistd.h
+index c7cafaafb..2571fd594 100644
+--- a/system/include/libc/unistd.h
++++ b/system/include/libc/unistd.h
+@@ -239,7 +239,7 @@ int eaccess(const char *, int);
+ #define _POSIX_TIMEOUTS         _POSIX_VERSION
+ #define _POSIX_MONOTONIC_CLOCK  _POSIX_VERSION
+ #define _POSIX_CPUTIME          _POSIX_VERSION
+-#define _POSIX_CLOCK_SELECTION  _POSIX_VERSION
++#define _POSIX_CLOCK_SELECTION  0
+ #define _POSIX_BARRIERS         _POSIX_VERSION
+ #define _POSIX_SPIN_LOCKS       _POSIX_VERSION
+ #define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION
+-- 
+2.14.1
+