Hi! > On 27 Nov 2014, at 02:47, KO Myung-Hun <kom...@gmail.com> wrote: > > Hi/2. > > Gary V. Vaughan wrote: >> Hi, >> >> Thanks for the report and the patch! >> >>> On Nov 22, 2014, at 4:08 AM, KO Myung-Hun <kom...@gmail.com> wrote: >>> >>> On OS/2, dlopen() does not support a program. So libltdl_cv_need_uscore >>> is set to unknown, but dlsym() requires an underscore prefix. So set >>> libltdl_cv_need_uscore to yes on OS/2 if lt_cv_sys_symbol_underscore is >>> yes and libltdl_cv_need_uscore is unknown. >> >> Actually, I think the real problem here is that LT_FUNC_DLSYM_USCORE is >> making the bad assumption that dlsym() only requires a leading symbol >> name underscore on machines where self dlopening works. >> >> Better than your suggested patch, we should really be checking whether >> dlsym of ordinary loadable module symbol names requires a leading underscore. > > I agree. > >> I pushed the core of a new macro that does exactly that to M4 master just >> now. >> >> Would you let me know whether this works correctly on OS2 for you please? > > Of course. Unfortunately, however, it does not work. dlopen() in > configure fails due to 'file not found'.
Thanks for checking. Can you tell me why it fails (module is not compiled correctly; path argument to dlopen() is wrong), and maybe suggest what would fix it, please? Cheers, -- Gary V. Vaughan (gary AT gnu DOT org)