Ports of lib9, libbio and libmach to Windows.
R=rsc
https://golang.org/cl/157159
diff --git a/include/u.h b/include/u.h
index 1b19628..6dd55a0 100644
--- a/include/u.h
+++ b/include/u.h
@@ -77,6 +77,9 @@
#define _NEEDUINT 1
#define _NEEDULONG 1
+#ifdef __MINGW32__
+typedef jmp_buf sigjmp_buf;
+#endif
typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
#if defined(__linux__)
@@ -135,6 +138,7 @@
# undef _NEEDUSHORT
# undef _NEEDUINT
# undef _NEEDULONG
+#elif defined(__MINGW32__)
#else
/* No idea what system this is -- try some defaults */
# include <pthread.h>
@@ -199,7 +203,7 @@
*/
#if defined(__GNUC__)
# undef strcmp /* causes way too many warnings */
-# if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__))
+# if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__) && !defined(__MINGW32__))
# undef AUTOLIB
# define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
# undef AUTOFRAMEWORK
