Re: flexdll error: cannot relocate RELOC_REL32

[Cao Qinxiang <caoqinxiang@gmail.com>]

Dear Achim and Brian,

Thank you very much for you suggestions. And as Achim guessed, I was trying
to build a ocaml based library: Menhir. Currently, my problem is still not
solved.

If I try:
-------
    echo /usr/lib/ocaml/stublibs/ > /var/lib/rebase/dynpath.d/ocaml
-------
and then rebase, I get the following error:
-------
  Fatal error: cannot load shared library dllunix
  Reason: flexdll error: cannot relocate RELOC_REL32, target is too far:
0xfffffffc02088b5f  0x2088b5f
-------

I also tried to check whether BLODA is involved. I use
-------
  export CYGWIN=detect_bloda
-------
But when I compile menhir, I get the same error message about fork() and
dllunix.so, but no bloda is detected. Also, if I try to search
"dllunix.so", I find the following instances:
-------
  /lib/ocaml/stublibs/dllunix.so
  /usr/lib/ocaml/stublibs/dllunix.so
  /proc/sys/KernelObjects/HighCommitCondition/dllunix.so
  /proc/sys/KernelObjects/HighMemoryCondition/dllunix.so
  /proc/sys/KernelObjects/LowCommitCondition/dllunix.so
  /proc/sys/KernelObjects/LowMemoryCondition/dllunix.so
  /proc/sys/KernelObjects/MaximumCommitCondition/dllunix.so
  /proc/sys/KernelObjects/MemoryErrors/dllunix.so
  /proc/sys/KernelObjects/PhysicalMemoryChange/dllunix.so
--------
Is there a duplication there? I don't think I manually add any of these.

Best,

Qinxiang Cao
Shanghai Jiao Tong University, John Hopcroft Center
Room 1110-2, SJTUSE Building
800 Dongchuan Road, Shanghai, China, 200240



On Tue, Mar 3, 2020 at 1:33 AM Achim Gratz <Stromeko@nexgo.de> wrote:

> Brian Inglis writes:
> > Try what's documented in /usr/share/doc/Cygwin/_autorebase.README for
> DLLs under
> > non-standard system paths:
>
> …which by some extension  means you shouldn't add system paths.
>
> > create a file /var/lib/rebase/dynpath.d/ocaml containing your .so
> directory path
> > /usr/lib/ocaml/stublibs/:
>
> Don't.  The OCaml stublibs must not be rebased.
>
>
> Regards,
> Achim.
> --
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