Canonicalize symlinks in portnames

[libserialport.git] / libserialport_internal.h

diff --git a/libserialport_internal.h b/libserialport_internal.h
index 6a682cb205c3b2399ef663a03f99eb374946541b..83f0090bb5f0b7438c2ce013d9bc1a579042fcc5 100644 (file)
--- a/libserialport_internal.h
+++ b/libserialport_internal.h
@@ -21,10 +21,11 @@
 #ifndef LIBSERIALPORT_LIBSERIALPORT_INTERNAL_H
 #define LIBSERIALPORT_LIBSERIALPORT_INTERNAL_H
 
-#include "config.h"
 
 #ifdef __linux__
-#define _BSD_SOURCE /* For timeradd, timersub, timercmp. */
+/* For timeradd, timersub, timercmp, realpath. */
+#define _BSD_SOURCE 1 /* for glibc < 2.19 */
+#define _DEFAULT_SOURCE 1 /* for glibc >= 2.20 */
 #endif
 
 #include <string.h>
@@ -36,6 +37,7 @@
 #include <errno.h>
 #include <stdio.h>
 #include <stdarg.h>
+#include <limits.h>
 #ifdef _WIN32
 #include <windows.h>
 #include <tchar.h>
@@ -69,7 +71,7 @@
 #include "linux_termios.h"
 
 /* TCGETX/TCSETX is not available everywhere. */
-#if defined(TCGETX) && defined(TCSETX) && defined(HAVE_TERMIOX)
+#if defined(TCGETX) && defined(TCSETX) && defined(HAVE_STRUCT_TERMIOX)
 #define USE_TERMIOX
 #endif
 #endif
@@ -83,7 +85,7 @@
 #endif
 
 /* Non-standard baudrates are not available everywhere. */
-#if (defined(HAVE_TERMIOS_SPEED) || defined(HAVE_TERMIOS2_SPEED)) && defined(HAVE_BOTHER)
+#if (defined(HAVE_TERMIOS_SPEED) || defined(HAVE_TERMIOS2_SPEED)) && HAVE_DECL_BOTHER
 #define USE_TERMIOS_SPEED
 #endif