[PD] Error Compiling Gem on Ubuntu 15.04

Miller Puckette msp at ucsd.edu
Sat Jun 20 20:01:38 CEST 2015


I've always had the same problem (and probably should have issued a bug
report) - I always add "#include <unistd.h>" manually to
plugins/recordV4L2/recordV4L2.cpp after unpacking the Gem source.

cheers
Miller

On Sat, Jun 20, 2015 at 01:15:07PM -0400, Jim Ruxton wrote:
> I am getting the following errors in compiling Gem on Ubuntu 15.04. Any
> thought on what I need to do to correct this. Thanks.
> 
> Jim
> cordV4L2.cpp:81:5: error: '::close' has not been declared
>      ::close(m_fd);
>      ^
> recordV4L2.cpp: In member function 'virtual bool
> gem::plugins::recordV4L2::open(std::string)':
> recordV4L2.cpp:101:65: warning: format '%s' expects a matching 'char*'
> argument [-Wformat=]
>      verbose(1, "device '%s' is not a video4linux2 output device");
>                                                                  ^
> recordV4L2.cpp: In member function 'virtual bool
> gem::plugins::recordV4L2::init(const imageStruct*, int)':
> recordV4L2.cpp:159:3: error: '::write' has not been declared
>    ::write(m_fd, m_image.data, m_image.xsize*m_image.ysize*m_image.csize);
>    ^
> recordV4L2.cpp: In member function 'virtual bool
> gem::plugins::recordV4L2::putFrame(imageStruct*)':
> recordV4L2.cpp:184:3: error: '::write' has not been declared
>    ::write(m_fd, m_image.data, size);
>    ^
> Makefile:471: recipe for target 'gem_recordV4L2_la-recordV4L2.lo' failed
> make[2]: *** [gem_recordV4L2_la-recordV4L2.lo] Error 1
> make[2]: Leaving directory
> '/home/jim/Downloads/Gem-0.93.3/plugins/recordV4L2'
> Makefile:390: recipe for target 'all-recursive' failed
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory '/home/jim/Downloads/Gem-0.93.3/plugins'
> Makefile:485: recipe for target 'all-recursive' failed
> make: *** [all-recursive] Error 1
> 
> 
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