MSVC waf-build specific fixes

* Dodge ardourext/pthread.h when WAF_BUILD is defined
* add io.h for POSIX style read/close
* define timeval

libs/pbd/cpus.cc

@@ -36,7 +36,11 @@
 #include "pbd/cpus.h"
 
 #if defined(COMPILER_MSVC) && !defined(__PTW32_VERSION)
+#ifndef WAF_BUILD
 #include <ardourext/pthread.h>  // Gets us '__PTW32_VERSION'
+#else
+#include <pthread.h>
+#endif
 #endif
 
 int32_t

libs/pbd/file_archive.cc

@@ -38,6 +38,10 @@
 #include "pbd/pthread_utils.h"
 #include "pbd/progress.h"
 
+#ifdef COMPILER_MSVC
+#include <io.h> // For read, close
+#endif
+
 using namespace PBD;
 
 static size_t

libs/pbd/file_utils.cc

@@ -59,8 +59,9 @@
 /* close(), read(), write() */
 #ifdef COMPILER_MSVC
 #include <io.h> // Microsoft's nearest equivalent to <unistd.h>
+#ifndef WAF_BUILD
 #include <ardourext/misc.h>
-#else
+#endif
 #endif
 
 #include "pbd/compose.h"

libs/pbd/pbd/debug.h

@@ -30,7 +30,7 @@
 #include "pbd/timing.h"
 
 /* check for __PTW32_VERSION */
-#ifdef COMPILER_MSVC
+#if defined (COMPILER_MSVC) && !defined (WAF_BUILD)
 #include <ardourext/pthread.h>
 #else
 #include <pthread.h>

libs/pbd/pbd/pthread_utils.h

@@ -36,7 +36,7 @@
 #endif  /* __PTW32_VERSION */
 #endif  /* PTHREAD_MACROS_DEFINED */
 
-#ifdef COMPILER_MSVC
+#if defined (COMPILER_MSVC) && !defined (WAF_BUILD)
 #include <ardourext/pthread.h>
 #else
 #include <pthread.h>

libs/pbd/pbd/stack_allocator.h

@@ -31,6 +31,10 @@
 # define DEBUG_STACK_ALLOC(...)
 #endif
 
+#ifdef COMPILER_MSVC
+#undef max
+#endif
+
 namespace PBD {
 
 template <class T, std::size_t stack_capacity>

libs/pbd/pbd/undo.h

@@ -32,7 +32,14 @@
 #ifndef COMPILER_MSVC
 #include <sys/time.h>
 #else
+#ifndef WAF_BUILD
 #include <ardourext/misc.h>
+#else
+struct timeval {
+    long tv_sec;
+    long tv_usec;
+};
+#endif
 #endif
 
 #include "pbd/command.h"