Hi, On Thu, 10 Sep 2015, David Malcolm wrote:
> +/* FIXME: (dmalcolm) > + This plugin is currently the only user of > + gcc_rich_location::add_range_with_caption > + As such, the symbol is present in libbackend.a, but not in "cc1", > + and running the plugin fails with a linker error: > + ./diagnostic_plugin_test_show_locus.so: undefined symbol: > _ZN17gcc_rich_location22add_range_with_captionEjjP18diagnostic_contextPKcz > + which c++filt tells us is: > + ./diagnostic_plugin_test_show_locus.so: undefined symbol: > gcc_rich_location::add_range_with_caption(unsigned int, unsigned int, > diagnostic_context*, char const*, ...) > + > + I've tried various workarounds (adding DEBUG_FUNCTION to the > + method, taking its address), but can't seem to fix it that way. > + So as a nasty workaround, the following material is copied&pasted > + from gcc-rich-location.c: */ You need to make cc1 use _anything_ defined in the source file gcc-rich-location.c. E.g. it could be some global internal variable: int _force_me_into_cc1_hack; which you then refer to in e.g. diagnostic-color.c (or from whereever). Ciao, Michael.
