Found RE: dev-14: ld.so: Src/zsh: relocation error: symbol not found: nbrbeg

["Andrej Borsenkow" <Andrej.Borsenkow@mow.siemens.ru>]

>
> > .zshrc:9: failed to load module: zsh/complete
> >
> > I tried this with two different OS/compiler versions.
> >
> > The message in subject is from dlerror() that I added to try_load_module()
>
> System type? Didn't we have this kind of problem (a dynamically loaded
> module could not get at the symbols of another dynamically loaded
> module) on SunOS4.x?
>


This is due to 9200 + somewhat unusual behaviour of our compiler. 9200 makes
module.c prefer dl.h to dlfcn.h. We do not have /use/include/dl.h but we do have
/usr/include/sys/dl.h (that has nothing to do with dynamic loading at all). Our
compiler does search in both /usr/include and /use/include/sys by default -
hence, AC_CHECK_HEADER finds /usr/include/sys/dl.h. This makes RTLD_*
(RTLD_GLOBAL is important here) be missed. Hence, no symbol from other modules
is ever exported.

In any case, I do not understand the logic here. If dlfcn.h is missing on hpux
11.0, the branch should go under #ifdef HAVE_DL_H and not under #ifdef
HAVE_DLFCN_H.

Could anybody finally suggest reasonable order of include checking here? I
totally fail to understand how patch in 9200 fixed the problem in text.

/andrej