Remove TARGET_PC and cruft from typedefs.h.

Additionally remove all TARGET defines (e.g. TARGET_MAC), which weren't used anyway.

BUG=
TEST=build on Linux, Mac, Win

Review URL: https://webrtc-codereview.appspot.com/432001

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1822 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/src/typedefs.h b/src/typedefs.h
index ba87309..f9055d9 100644
--- a/src/typedefs.h
+++ b/src/typedefs.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
@@ -19,53 +19,24 @@
 #define G_CONST const
 #define WEBRTC_INLINE extern __inline
 
-// Define WebRTC preprocessor identifiers based on the current build platform.
-// TODO(andrew): Clean these up. We can probably remove everything in this
-// block.
-//   - TARGET_MAC_INTEL and TARGET_MAC aren't used anywhere.
-//   - In the few places where TARGET_PC is used, it should be replaced by
-//     something more specific.
-//   - Do we really support PowerPC? Probably not. Remove WEBRTC_MAC_INTEL
-//     from build/common.gypi as well.
-#if defined(WIN32)
-    // Windows & Windows Mobile.
-    #if !defined(WEBRTC_TARGET_PC)
-        #define WEBRTC_TARGET_PC
-    #endif
-#elif defined(__APPLE__)
-    // Mac OS X.
-    #if defined(__LITTLE_ENDIAN__ )
-        #if !defined(WEBRTC_TARGET_MAC_INTEL)
-            #define WEBRTC_TARGET_MAC_INTEL
-        #endif
-    #else
-        #if !defined(WEBRTC_TARGET_MAC)
-            #define WEBRTC_TARGET_MAC
-        #endif
-    #endif
-#else
-    // Linux etc.
-    #if !defined(WEBRTC_TARGET_PC)
-        #define WEBRTC_TARGET_PC
-    #endif
-#endif
-
 // Derived from Chromium's build/build_config.h
 // Processor architecture detection.  For more info on what's defined, see:
 //   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
 //   http://www.agner.org/optimize/calling_conventions.pdf
 //   or with gcc, run: "echo | gcc -E -dM -"
-// TODO(andrew): replace WEBRTC_LITTLE_ENDIAN with WEBRTC_ARCH_LITTLE_ENDIAN?
+// TODO(andrew): replace WEBRTC_LITTLE_ENDIAN with WEBRTC_ARCH_LITTLE_ENDIAN.
 #if defined(_M_X64) || defined(__x86_64__)
 #define WEBRTC_ARCH_X86_FAMILY
 #define WEBRTC_ARCH_X86_64
 #define WEBRTC_ARCH_64_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
+#define WEBRTC_LITTLE_ENDIAN
 #elif defined(_M_IX86) || defined(__i386__)
 #define WEBRTC_ARCH_X86_FAMILY
 #define WEBRTC_ARCH_X86
 #define WEBRTC_ARCH_32_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
+#define WEBRTC_LITTLE_ENDIAN
 #elif defined(__ARMEL__)
 // TODO(andrew): We'd prefer to control platform defines here, but this is
 // currently provided by the Android makefiles. Commented to avoid duplicate
@@ -76,6 +47,7 @@
 //#define WEBRTC_ARCH_ARMEL
 #define WEBRTC_ARCH_32_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
+#define WEBRTC_LITTLE_ENDIAN
 #else
 #error Please add support for your architecture in typedefs.h
 #endif
@@ -84,59 +56,31 @@
 #define WEBRTC_USE_SSE2
 #endif
 
-#if defined(WEBRTC_TARGET_PC)
-
 #if !defined(_MSC_VER)
-  #include <stdint.h>
+#include <stdint.h>
 #else
-    // Define C99 equivalent types.
-    // Since MSVC doesn't include these headers, we have to write our own
-    // version to provide a compatibility layer between MSVC and the WebRTC
-    // headers.
-    typedef signed char         int8_t;
-    typedef signed short        int16_t;
-    typedef signed int          int32_t;
-    typedef signed long long    int64_t;
-    typedef unsigned char       uint8_t;
-    typedef unsigned short      uint16_t;
-    typedef unsigned int        uint32_t;
-    typedef unsigned long long  uint64_t;
+// Define C99 equivalent types, since MSVC doesn't provide stdint.h.
+typedef signed char         int8_t;
+typedef signed short        int16_t;
+typedef signed int          int32_t;
+typedef __int64             int64_t;
+typedef unsigned char       uint8_t;
+typedef unsigned short      uint16_t;
+typedef unsigned int        uint32_t;
+typedef unsigned __int64    uint64_t;
 #endif
 
-#if defined(WIN32)
-    typedef __int64             WebRtc_Word64;
-    typedef unsigned __int64    WebRtc_UWord64;
-#else
-    typedef int64_t             WebRtc_Word64;
-    typedef uint64_t            WebRtc_UWord64;
-#endif
-    typedef int32_t             WebRtc_Word32;
-    typedef uint32_t            WebRtc_UWord32;
-    typedef int16_t             WebRtc_Word16;
-    typedef uint16_t            WebRtc_UWord16;
-    typedef char                WebRtc_Word8;
-    typedef uint8_t             WebRtc_UWord8;
-
-    // Define endian for the platform
-    #define WEBRTC_LITTLE_ENDIAN
-
-#elif defined(WEBRTC_TARGET_MAC_INTEL)
-    #include <stdint.h>
-
-    typedef int64_t             WebRtc_Word64;
-    typedef uint64_t            WebRtc_UWord64;
-    typedef int32_t             WebRtc_Word32;
-    typedef uint32_t            WebRtc_UWord32;
-    typedef int16_t             WebRtc_Word16;
-    typedef char                WebRtc_Word8;
-    typedef uint16_t            WebRtc_UWord16;
-    typedef uint8_t             WebRtc_UWord8;
-
-    // Define endian for the platform
-    #define WEBRTC_LITTLE_ENDIAN
-
-#else
-    #error "No platform defined for WebRTC type definitions (typedefs.h)"
-#endif
+// TODO(andrew): remove WebRtc_ types:
+// http://code.google.com/p/webrtc/issues/detail?id=314
+// TODO(leozwang): change to WebRtc_Word8 to use int8_t:
+// http://code.google.com/p/webrtc/issues/detail?id=311
+typedef char                WebRtc_Word8;
+typedef int16_t             WebRtc_Word16;
+typedef int32_t             WebRtc_Word32;
+typedef int64_t             WebRtc_Word64;
+typedef uint8_t             WebRtc_UWord8;
+typedef uint16_t            WebRtc_UWord16;
+typedef uint32_t            WebRtc_UWord32;
+typedef uint64_t            WebRtc_UWord64;
 
 #endif  // WEBRTC_TYPEDEFS_H_