00001 // This is core/vidl/vidl_v4l_ulong_fix.h 00002 #ifndef vidl_v4l2_ulong_fix_h_ 00003 #define vidl_v4l2_ulong_fix_h_ 00004 //: 00005 // \file 00006 // \brief Fix system bug where type ulong is not defined in linux/videodev.h on some Linux/GCC combinations. 00007 // 00008 // \author Fred Wheeler 00009 // 00010 // I have found that on a Red Hat Linux 2.6.9 64 bit system with gcc 00011 // 4.3.3, in order to build vidl, you need to #define __USE_MISC before 00012 // #including sys/types.h and you need to make sure sys/types.h is 00013 // #included in order to get ulong typedefed. ulong is used by 00014 // /usr/include/linux/videodev.h which is included by several VIDL CXX 00015 // files. I see some indications on the web that this ulong problem 00016 // is a bug with certain Linux/GCC combinations. 00017 // 00018 // This header file implements this fix. When it is needed it should 00019 // be the first include. 00020 // 00021 // -Fred Wheeler 00022 00023 #if 1 // #ifdef VXL_VIDL_USE_ULONG_FIX 00024 // We could use this condition to limit use of this fix. 00025 // For now it is enabled for all - change if this fix causes any problems. 00026 00027 #define __USE_MISC 00028 // including sys/types.h with this define will get ulong typedefed 00029 #include <sys/types.h> 00030 00031 #endif // VXL_VIDL_USE_ULONG_FIX 00032 00033 #endif // vidl_v4l2_ulong_fix_h_
1.7.5.1