On Fri, Jun 15, 2012 at 7:40 AM, Duncan Sands <baldr...@free.fr> wrote: > Hi Richard, > > >> As system.h is supposed to only include system headers and do nothing >> else it has to be prepared to be included from C++ already, so no extern >> "C" >> wrapping should be necessary for it. > > > it defines fancy_abort. Not wrapping system.h in extern C results in > undefined symbol: _Z11fancy_abortPKciS0_ > when loading the plugin.
If you want fancy_abort to have a C language specification, that is what you should declare as such. > > Ciao, Duncan.
