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vwebp: ensure setenv() is available in stdlib.h

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quiets a -Wimplicit-function-declaration with some configurations of gcc
(-std=c99).
_POSIX_C_SOURCE is preferred over _BSD_SOURCE with newer versions of
glibc

Change-Id: I378bffb13ba52ff5c4bad1433090dcc387e5d507
(cherry picked from commit bfab894739)
This commit is contained in:
James Zern 2016-09-30 00:15:44 -07:00
parent 363a568131
commit bd63a31aab
1 changed files with 4 additions and 0 deletions
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4
examples/vwebp.c
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@ -14,6 +14,10 @@
#include "webp/config.h"
#endif
#if defined(__unix__) || defined(__CYGWIN__)
#define _POSIX_C_SOURCE 200112L // for setenv
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>