core: Kill the OS_* definitions and use in the source code

These symbols are no longer necessary for the source code since commit
cad7d0edd9 ("core: Kill usbi_os_backend structure definition madness").

Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>

Xcode/config.h

@@ -29,9 +29,6 @@
 /* Define to 1 if you have the <sys/time.h> header file. */
 #define HAVE_SYS_TIME_H 1
 
-/* Darwin backend */
-#define OS_DARWIN 1
-
 /* Use POSIX poll() implementation */
 #define POLL_POSIX 1
 

android/config.h

@@ -41,9 +41,6 @@
 /* Define to 1 if you have the <sys/time.h> header file. */
 #define HAVE_SYS_TIME_H 1
 
-/* Linux backend */
-#define OS_LINUX 1
-
 /* Use POSIX poll() implementation */
 #define POLL_POSIX 1
 

configure.ac

@@ -116,17 +116,14 @@ esac
 
 case $backend in
 darwin)
-	AC_DEFINE([OS_DARWIN], [1], [Darwin backend])
 	AC_CHECK_FUNCS([pthread_threadid_np])
 	LIBS="-lobjc -Wl,-framework,IOKit -Wl,-framework,CoreFoundation"
 	LTLDFLAGS="${LTLDFLAGS} -Wl,-prebind"
 	;;
 haiku)
-	AC_DEFINE([OS_HAIKU], [1], [Haiku backend])
 	LIBS="-lbe"
 	;;
 linux)
-	AC_DEFINE([OS_LINUX], [1], [Linux backend])
 	AC_SEARCH_LIBS([clock_gettime], [rt], [], [], [-pthread])
 	AC_ARG_ENABLE([udev],
 		[AC_HELP_STRING([--enable-udev], [use udev for device enumeration and hotplug support (recommended) [default=yes]])],
@@ -147,27 +144,22 @@ linux)
 	AC_CHECK_FUNCS([pthread_setname_np])
 	;;
 netbsd)
-	AC_DEFINE([OS_NETBSD], [1], [NetBSD backend])
 	THREAD_CFLAGS="-pthread"
 	LIBS="-pthread"
 	;;
 null)
-	AC_DEFINE([OS_NULL], [1], [Null backend])
 	THREAD_CFLAGS="-pthread"
 	LIBS="-pthread"
 	;;
 openbsd)
-	AC_DEFINE([OS_OPENBSD], [1], [OpenBSD backend])
 	THREAD_CFLAGS="-pthread"
 	LIBS="-pthread"
 	;;
 sunos)
-	AC_DEFINE([OS_SUNOS], [1], [SunOS backend])
 	THREAD_CFLAGS="-pthread"
 	LIBS="-pthread -ldevinfo"
 	;;
 windows)
-	AC_DEFINE([OS_WINDOWS], [1], [Windows backend])
 	AC_CHECK_TYPES([struct timespec], [], [], [[#include <time.h>]])
 	LIBS=""
 	LTLDFLAGS="${LTLDFLAGS} -avoid-version -Wl,--add-stdcall-alias"

libusb/core.c

@@ -2526,7 +2526,7 @@ int usbi_vsnprintf(char *str, size_t size, const char *format, va_list ap)
 static void usbi_log_str(enum libusb_log_level level, const char *str)
 {
 #if defined(USE_SYSTEM_LOGGING_FACILITY)
-#if defined(OS_WINDOWS)
+#if defined(_WIN32)
 #if !defined(UNICODE)
 	OutputDebugStringA(str);
 #else

libusb/io.c

@@ -2765,7 +2765,7 @@ DEFAULT_VISIBILITY
 const struct libusb_pollfd ** LIBUSB_CALL libusb_get_pollfds(
 	libusb_context *ctx)
 {
-#ifndef OS_WINDOWS
+#ifndef _WIN32
 	struct libusb_pollfd **ret = NULL;
 	struct usbi_pollfd *ipollfd;
 	size_t i = 0;

libusb/libusbi.h

@@ -222,7 +222,7 @@ static inline void *usbi_reallocf(void *ptr, size_t size)
 		}							\
 	} while (0)
 
-#if defined(OS_WINDOWS)
+#if defined(_WIN32)
 #define TIMEVAL_TV_SEC_TYPE	long
 #else
 #define TIMEVAL_TV_SEC_TYPE	time_t

libusb/version_nano.h

@@ -1 +1 @@
-#define LIBUSB_NANO 11476
+#define LIBUSB_NANO 11477

msvc/config.h

@@ -42,9 +42,6 @@
 /* Message logging */
 #define ENABLE_LOGGING 1
 
-/* Windows backend */
-#define OS_WINDOWS 1
-
 /* Use Windows poll() implementation */
 #define POLL_WINDOWS 1