/bin/grep: warning: stray \ before -
In file included from /usr/include/boost/none_t.hpp:17,
                 from /usr/include/boost/none.hpp:17,
                 from /usr/include/boost/optional/optional.hpp:53,
                 from /usr/include/boost/optional.hpp:15,
                 from VSDCollector.h:14,
                 from VSDContentCollector.h:22,
                 from VSDContentCollector.cpp:10:
/usr/include/boost/detail/atomic_count.hpp:10:1: note: ‘#pragma message: This header is deprecated. Use  instead.’
   10 | BOOST_HEADER_DEPRECATED("")
      | ^~~~~~~~~~~~~~~~~~~~~~~
VSDXTheme.cpp: In member function ‘void libvisio::VSDXTheme::readFillStyleLst(xmlTextReaderPtr)’:
VSDXTheme.cpp:573:131: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]
  573 |           VSD_DEBUG_MSG(("VSDXTheme::readFillStyleLst Error: Unable to add colour #%02x%02x%02x\n", colour.r, colour.g, colour.b));
      |                                                                                                                                   ^
In file included from /usr/include/boost/none_t.hpp:17,
                 from /usr/include/boost/none.hpp:17,
                 from /usr/include/boost/optional/optional.hpp:53,
                 from /usr/include/boost/optional.hpp:15,
                 from VSDXMLParserBase.h:17,
                 from VSDXMLParserBase.cpp:10:
/usr/include/boost/detail/atomic_count.hpp:10:1: note: ‘#pragma message: This header is deprecated. Use  instead.’
   10 | BOOST_HEADER_DEPRECATED("")
      | ^~~~~~~~~~~~~~~~~~~~~~~
libtool: warning: remember to run 'libtool --finish /usr/lib'
libtool: warning: '../../lib/libvisio-0.1.la' has not been installed in '/usr/lib'
libtool: warning: '../../lib/libvisio-0.1.la' has not been installed in '/usr/lib'
libtool: warning: '../../lib/libvisio-0.1.la' has not been installed in '/usr/lib'
libtool: warning: '../../lib/libvisio-0.1.la' has not been installed in '/usr/lib'
libtool: warning: '../../lib/libvisio-0.1.la' has not been installed in '/usr/lib'
libtool: warning: '../../lib/libvisio-0.1.la' has not been installed in '/usr/lib'