strerror.c: Do not declare sys_nerr or sys_errlist if already macros

This fixes a MinGW warning in libiberty/strerror.c.

2015-01-19  Eli Zaretskii  <eliz@gnu.org>

        * strerror.c <sys_nerr, sys_errlist>: Declare only if they aren't
        macros.

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index ac2387552edfc897fceec66c1cbf576ea63bf834..22e3f8504b3aedd6663b460c50d31f98366d0f43 100644 (file)
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,8 @@
+2015-01-19  Eli Zaretskii  <eliz@gnu.org>
+
+       * strerror.c <sys_nerr, sys_errlist>: Declare only if they aren't
+       macros.
+
 2014-12-24  Uros Bizjak  <ubizjak@gmail.com>
            Ben Elliston  <bje@au.ibm.com>
            Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

diff --git a/libiberty/strerror.c b/libiberty/strerror.c
index 0efadc3d65eb927dfc34d059318a965c5375008b..a8a0bd1f7e2c99f19b0f5d7560734331efe792e1 100644 (file)
--- a/libiberty/strerror.c
+++ b/libiberty/strerror.c
@@ -469,8 +469,13 @@ static const char **sys_errlist;
 
 #else
 
+
+#ifndef sys_nerr
 extern int sys_nerr;
+#endif
+#ifndef sys_errlist
 extern char *sys_errlist[];
+#endif
 
 #endif