Dears,
I'm trying to compile opencv_contrib and I am getting errors as follows
[ 54%] Building CXX object modules/dnn/3rdparty/protobuf/CMakeFiles/libprotobuf.dir/src/google/protobuf/compiler/importer.cc.obj
In file included from C:\opencv\sources_contrib\modules\dnn\3rdparty\protobuf\src\google\protobuf\compiler\importer.cc:38:0:
c:\mingw\include\unistd.h:78:11: error: '_cdecl' does not name a type
_EXTERN_C _cdecl __MINGW_NOTHROW
^
In file included from C:\opencv\sources_contrib\modules\dnn\3rdparty\protobuf\src\google\protobuf\compiler\importer.cc:38:0:
c:\mingw\include\unistd.h:104:1: error: '_cdecl' does not name a type
_cdecl __MINGW_NOTHROW
^
c:\mingw\include\unistd.h: In function 'int nanosleep(const timespec*, timespec*)':
c:\mingw\include\unistd.h:114:51: error: '__mingw_sleep' was not declared in this scope
? (unsigned)(-1) : (unsigned)(period->tv_nsec));
^
c:\mingw\include\unistd.h: At global scope:
c:\mingw\include\unistd.h:125:28: error: expected initializer before 'usleep'
int _cdecl __MINGW_NOTHROW usleep( useconds_t )__MINGW_ATTRIB_DEPRECATED;
^
c:\mingw\include\unistd.h: In function 'int usleep(useconds_t)':
c:\mingw\include\unistd.h:129:73: error: '__mingw_sleep' was not declared in this scope
int usleep( useconds_t period ){ return __mingw_sleep( 0, 1000 * period ); }
^
c:\mingw\include\unistd.h: At global scope:
c:\mingw\include\unistd.h:138:33: error: expected initializer before 'sleep'
unsigned _cdecl __MINGW_NOTHROW sleep( unsigned );
^
c:\mingw\include\unistd.h: In function 'unsigned int sleep(unsigned int)':
c:\mingw\include\unistd.h:142:68: error: '__mingw_sleep' was not declared in this scope
unsigned sleep( unsigned period ){ return __mingw_sleep( period, 0 ); }
^
c:\mingw\include\unistd.h: At global scope:
c:\mingw\include\unistd.h:153:12: error: expected initializer before 'ftruncate'
int _cdecl ftruncate( int, off_t );
^
In file included from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\cmath:44:0,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\random:38,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\bits\stl_algo.h:65,
from c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\algorithm:62,
from C:\opencv\sources_contrib\modules\dnn\3rdparty\protobuf\src\google\protobuf\compiler\importer.cc:45:
c:\mingw\include\math.h: In function 'float hypotf(float, float)':
c:\mingw\include\math.h:635:30: error: '_hypot' was not declared in this scope
{ return (float)(_hypot (x, y)); }
^
modules\dnn\3rdparty\protobuf\CMakeFiles\libprotobuf.dir\build.make:62: recipe for target 'modules/dnn/3rdparty/protobuf/CMakeFiles/libprotobuf.dir/src/google/protobuf/compiler/importer.cc.obj' failed
mingw32-make[2]: *** [modules/dnn/3rdparty/protobuf/CMakeFiles/libprotobuf.dir/src/google/protobuf/compiler/importer.cc.obj] Error 1
CMakeFiles\Makefile2:5306: recipe for target 'modules/dnn/3rdparty/protobuf/CMakeFiles/libprotobuf.dir/all' failed
mingw32-make[1]: *** [modules/dnn/3rdparty/protobuf/CMakeFiles/libprotobuf.dir/all] Error 2
Makefile:148: recipe for target 'all' failed
mingw32-make: *** [all] Error 2
Did you experienced such behavior? Is there any solution for this?
Thank you.
Best regards.
