Fixes for Unix-like builds after introduction of Windows code

ext/lwip-contrib/ports/unix/include/arch/cc.h

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+#ifndef LWIP_ARCH_CC_H
+#define LWIP_ARCH_CC_H
+
+/* see https://sourceforge.net/p/predef/wiki/OperatingSystems/ */
+#if defined __ANDROID__
+#define LWIP_UNIX_ANDROID
+#elif defined __linux__
+#define LWIP_UNIX_LINUX
+#elif defined __APPLE__
+#define LWIP_UNIX_MACH
+#elif defined __OpenBSD__
+#define LWIP_UNIX_OPENBSD
+#elif defined __CYGWIN__
+#define LWIP_UNIX_CYGWIN
+#endif
+
+#define LWIP_TIMEVAL_PRIVATE 0
+#include <sys/time.h>
+
+#define LWIP_ERRNO_INCLUDE <errno.h>
+
+#define LWIP_RAND() ((u32_t)rand())
+
+/* different handling for unit test, normally not needed */
+#ifdef LWIP_NOASSERT_ON_ERROR
+#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
+  handler;}} while(0)
+#endif
+
+#if defined(LWIP_UNIX_ANDROID) && defined(FD_SET)
+typedef __kernel_fd_set fd_set;
+#endif
+
+struct sio_status_s;
+typedef struct sio_status_s sio_status_t;
+#define sio_fd_t sio_status_t*
+#define __sio_fd_t_defined
+
+#endif /* LWIP_ARCH_CC_H */