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libiberty/setenv.c: Do not declare environ if defined as a macro.

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Otherwise, it causes a build warning on some platforms such as MinGW.

libiberty/ChangeLog (Eli Zaretskii  <eliz@gnu.org>):

        * setenv.c <environ>: Declare only if not a macro.
This commit is contained in:
Joel Brobecker 2015-04-22 12:35:54 -07:00
parent f16eab5ffb
commit dfc0f57b74
2 changed files with 6 additions and 0 deletions
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libiberty/ChangeLog
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@ -1,3 +1,7 @@
2015-04-22 Eli Zaretskii <eliz@gnu.org>
* setenv.c <environ>: Declare only if not a macro.
2015-01-19 Eli Zaretskii <eliz@gnu.org>
* strerror.c <sys_nerr, sys_errlist>: Declare only if they aren't

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libiberty/setenv.c
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@ -63,8 +63,10 @@ extern int errno;
#define __environ environ
#ifndef HAVE_ENVIRON_DECL
#ifndef environ
extern char **environ;
#endif
#endif
#undef setenv
#undef unsetenv