From 69eebf37e321b056ccf882034d355c2504ac2e8d Mon Sep 17 00:00:00 2001
From: Vincent Wei <vincent@minigui.org>
Date: Thu, 31 Oct 2019 09:50:09 +0800
Subject: [PATCH] use HAVE_LIMITS_H for the system header <limits.h>

---
 configure.ac     | 2 +-
 include/common.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2e83876f..47cb153a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -62,7 +62,7 @@ dnl ========================================================================
 dnl Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_DIRENT
-AC_CHECK_HEADERS(sys/types.h sys/time.h termio.h unistd.h math.h locale.h)
+AC_CHECK_HEADERS(limits.h math.h locale.h unistd.h termio.h sys/types.h sys/time.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
diff --git a/include/common.h b/include/common.h
index 71cccb17..8ab42147 100644
--- a/include/common.h
+++ b/include/common.h
@@ -1701,7 +1701,7 @@ typedef struct _GAL_Rect {
 #endif
 
 /* Commonly used definitions */
-#if !defined(__NOUNIX__) || defined (__ECOS__) || defined (__RTEMS__)
+#if HAVE_LIMITS_H
 #include <limits.h>
 #endif