From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 2 Jun 2012 20:51:04 +0000 (-0400)
Subject: declare environ in unistd.h when _GNU_SOURCE feature test macro is used
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=d200bd727beab4f687e4891e2febc16b4ab97020;p=musl

declare environ in unistd.h when _GNU_SOURCE feature test macro is used

lots of broken programs expect this, and it's gotten to the point of
being a troubleshooting FAQ topic. best to just fix it.
---

diff --git a/include/unistd.h b/include/unistd.h
index e4e3ac59..7f2dd687 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -168,6 +168,7 @@ char *getusershell(void);
 #endif
 
 #ifdef _GNU_SOURCE
+extern char **environ;
 int setresuid(uid_t, uid_t, uid_t);
 int setresgid(gid_t, gid_t, gid_t);
 int getresuid(uid_t *, uid_t *, uid_t *);