text: ///////////////////////////////////////////////////////////////////////
  // File:        platform.h
  // Description: Place holder
  // Author:
  // Created:
  //
  // (C) Copyright 2006, Google Inc.
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  // http://www.apache.org/licenses/LICENSE-2.0
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  //
  ///////////////////////////////////////////////////////////////////////
  
  #ifndef TESSERACT_CCUTIL_PLATFORM_H_
  #define TESSERACT_CCUTIL_PLATFORM_H_
  
  #define DLLSYM
  #ifdef _WIN32
  #ifndef NOMINMAX
  #define NOMINMAX
  #endif /* NOMINMAX */
  #ifndef WIN32_LEAN_AND_MEAN
  #define WIN32_LEAN_AND_MEAN
  #endif
  #ifdef __GNUC__
  #define ultoa _ultoa
  #endif  /* __GNUC__ */
  #define SIGNED
  #else
  #ifdef __cplusplus
  #include <climits>
  #else /* C compiler*/
  #include <limits.h>
  #endif /* __cplusplus */
  #ifndef PATH_MAX
  #define MAX_PATH 4096
  #else
  #define MAX_PATH PATH_MAX
  #endif
  #define SIGNED signed
  #endif
  
  #if defined(_WIN32) || defined(__CYGWIN__)
  #ifndef M_PI
  #define M_PI 3.14159265358979323846
  #endif
  #endif
  
  #if defined(_WIN32) || defined(__CYGWIN__)
      #if defined(TESS_EXPORTS)
         #define TESS_API __declspec(dllexport)
      #elif defined(TESS_IMPORTS)
         #define TESS_API __declspec(dllimport)
      #else
         #define TESS_API
      #endif
      #define TESS_LOCAL
  #else
      #if __GNUC__ >= 4
        #if defined(TESS_EXPORTS) || defined(TESS_IMPORTS)
            #define TESS_API  __attribute__ ((visibility ("default")))
            #define TESS_LOCAL  __attribute__ ((visibility ("hidden")))
        #else
            #define TESS_API
            #define TESS_LOCAL
        #endif
      #else
        #define TESS_API
        #define TESS_LOCAL
      #endif
  #endif
  
  #endif  // TESSERACT_CCUTIL_PLATFORM_H_
  