From 5aa1128e97632e8770965f8cffc308351fde68a8 Mon Sep 17 00:00:00 2001
From: oni-link <knil.ino@gmail.com>
Date: Tue, 1 Apr 2014 13:03:17 +0200
Subject: [PATCH] remove HAVE_STRERROR

strerror is a C99 standard function.
---
 config/config.h.in | 1 -
 src/vim.h          | 9 ++-------
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/config/config.h.in b/config/config.h.in
index 28180301cb..8a9946f656 100644
--- a/config/config.h.in
+++ b/config/config.h.in
@@ -61,7 +61,6 @@
 #define HAVE_SIGVEC 1
 #define HAVE_ST_BLKSIZE 1
 #define HAVE_STRCASECMP 1
-#define HAVE_STRERROR 1
 #define HAVE_STRFTIME 1
 #define HAVE_STRING_H 1
 #define HAVE_STRINGS_H 1
diff --git a/src/vim.h b/src/vim.h
index c408b7ce07..b7ccf4289a 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1093,13 +1093,8 @@ typedef enum {
 
 /* Prefer using emsg3(), because perror() may send the output to the wrong
  * destination and mess up the screen. */
-#ifdef HAVE_STRERROR
-# define PERROR(msg)                (void)emsg3((char_u *)"%s: %s", \
-    (char_u *)msg, (char_u *)strerror( \
-        errno))
-#else
-# define PERROR(msg)                perror(msg)
-#endif
+#define PERROR(msg) \
+  (void) emsg3((char_u *) "%s: %s", (char_u *)msg, (char_u *)strerror(errno))
 
 typedef long linenr_T;                  /* line number type */
 typedef int colnr_T;                    /* column number type */