* [Caml-list] Dynamically loaded library problems (ocaml-3.05)
@ 2002-07-30 9:45 Hans Ole Rafaelsen
2002-07-30 9:56 ` Xavier Leroy
0 siblings, 1 reply; 6+ messages in thread
From: Hans Ole Rafaelsen @ 2002-07-30 9:45 UTC (permalink / raw)
To: caml-list
Hi,
I just installed ocaml-3.05. Compiling and installation worked
without any complains. However, I am having problems linking with
dynamic libraries.
hansr [4] [11:29] [~] ocamlmktop -o mytop nums.cma
Error on dynamically loaded library: /usr/local/lib/ocaml/dllnums.so: undefined symbol: custom_compare_default
hansr [5] [11:30] [~] ocamlmktop -o mytop str.cma
Error on dynamically loaded library: /usr/local/lib/ocaml/dllstr.so: undefined symbol: custom_compare_default
hansr [6] [11:37] [~] ocaml
Objective Caml version 3.05
# #load "str.cma";;
Cannot load required shared library: /usr/local/lib/ocaml/dllstr.so: undefined symbol: custom_compare_default.
#
etc....
The OS is RedHat 7.1. Two different system have been tried. One
using gcc 2.96 and the other gcc 3.04.
Ocaml-3.04 does have these problems.
Any suggestions on what I might be doing wrong?
Best regards,
Hans Ole Rafaelsen
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Caml-list] Dynamically loaded library problems (ocaml-3.05)
2002-07-30 9:45 [Caml-list] Dynamically loaded library problems (ocaml-3.05) Hans Ole Rafaelsen
@ 2002-07-30 9:56 ` Xavier Leroy
2002-07-30 15:08 ` John Max Skaller
0 siblings, 1 reply; 6+ messages in thread
From: Xavier Leroy @ 2002-07-30 9:56 UTC (permalink / raw)
To: Hans Ole Rafaelsen; +Cc: caml-list
> I just installed ocaml-3.05. Compiling and installation worked
> without any complains. However, I am having problems linking with
> dynamic libraries.
>
> hansr [4] [11:29] [~] ocamlmktop -o mytop nums.cma
> Error on dynamically loaded library: /usr/local/lib/ocaml/dllnums.so: undefined symbol: custom_compare_default
On a fresh 3.05 install, dllnums.so should be loaded from lib/ocaml/stublibs
rather than lib/ocaml. I conjecture you have old files lying around
in /usr/local/lib/ocaml. Try "rm -rf /usr/local/lib/ocaml" before
installing OCaml 3.05.
- Xavier Leroy
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Caml-list] Dynamically loaded library problems (ocaml-3.05)
2002-07-30 9:56 ` Xavier Leroy
@ 2002-07-30 15:08 ` John Max Skaller
2002-07-30 16:18 ` Sven LUTHER
0 siblings, 1 reply; 6+ messages in thread
From: John Max Skaller @ 2002-07-30 15:08 UTC (permalink / raw)
To: Xavier Leroy; +Cc: Hans Ole Rafaelsen, caml-list
Xavier Leroy wrote:
>>I just installed ocaml-3.05. Compiling and installation worked
>>without any complains. However, I am having problems linking with
>>dynamic libraries.
>>
>>hansr [4] [11:29] [~] ocamlmktop -o mytop nums.cma
>>Error on dynamically loaded library: /usr/local/lib/ocaml/dllnums.so: undefined symbol: custom_compare_default
>>
>
>On a fresh 3.05 install, dllnums.so should be loaded from lib/ocaml/stublibs
>rather than lib/ocaml. I conjecture you have old files lying around
>in /usr/local/lib/ocaml. Try "rm -rf /usr/local/lib/ocaml" before
>installing OCaml 3.05.
>
Can I suggest that the directory:
/usr/local/lib/ocaml_3.05/
might be a better default name? In switching versions around, having to
reinstall
is a pain. Can't Ocaml 3.05 use a completely new set of directories so
it can
be installed without clobbering 3.04?
--
John Max Skaller, mailto:skaller@ozemail.com.au
snail:10/1 Toxteth Rd, Glebe, NSW 2037, Australia.
voice:61-2-9660-0850
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Caml-list] Dynamically loaded library problems (ocaml-3.05)
2002-07-30 15:08 ` John Max Skaller
@ 2002-07-30 16:18 ` Sven LUTHER
2002-08-01 15:03 ` John Max Skaller
0 siblings, 1 reply; 6+ messages in thread
From: Sven LUTHER @ 2002-07-30 16:18 UTC (permalink / raw)
To: John Max Skaller; +Cc: Xavier Leroy, Hans Ole Rafaelsen, caml-list
On Wed, Jul 31, 2002 at 01:08:20AM +1000, John Max Skaller wrote:
> Xavier Leroy wrote:
>
> >>I just installed ocaml-3.05. Compiling and installation worked
> >>without any complains. However, I am having problems linking with
> >>dynamic libraries.
> >>
> >>hansr [4] [11:29] [~] ocamlmktop -o mytop nums.cma
> >>Error on dynamically loaded library: /usr/local/lib/ocaml/dllnums.so:
> >>undefined symbol: custom_compare_default
> >>
> >
> >On a fresh 3.05 install, dllnums.so should be loaded from
> >lib/ocaml/stublibs
> >rather than lib/ocaml. I conjecture you have old files lying around
> >in /usr/local/lib/ocaml. Try "rm -rf /usr/local/lib/ocaml" before
> >installing OCaml 3.05.
> >
> Can I suggest that the directory:
>
> /usr/local/lib/ocaml_3.05/
>
> might be a better default name? In switching versions around, having to
> reinstall
Is this not configurable ? I guess yes, and you can easily use one of
the configuration options to have ocaml installed in ocaml_3.05 (libdir,
i think it is, but you could also use prefix /usr/local/ocaml_3.05 i
think).
Friendly,
Sven Luther
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* Re: [Caml-list] Dynamically loaded library problems (ocaml-3.05)
2002-07-30 16:18 ` Sven LUTHER
@ 2002-08-01 15:03 ` John Max Skaller
2002-08-01 16:00 ` Sven LUTHER
0 siblings, 1 reply; 6+ messages in thread
From: John Max Skaller @ 2002-08-01 15:03 UTC (permalink / raw)
To: Sven LUTHER; +Cc: caml-list
Sven LUTHER wrote:
>On Wed, Jul 31, 2002 at 01:08:20AM +1000, John Max Skaller wrote:
>
>>Can I suggest that the directory:
>>
>> /usr/local/lib/ocaml_3.05/
>>
>>might be a better default name? In switching versions around, having to
>>reinstall
>>
>
>Is this not configurable ?
>
Note I said *default* name: i.e. make the default libraries install in
different places.
It's not clear how to manage binaries. What Python does is have
'python1.5' and
'python2.1' both in /usr/local/bin, and then use a symbolic link. Client
can also put symlinks in ~/bin. Not clear to me how to ensure all binaries
are switched around when changing versions. Same applies to man pages.
At present, I just reinstall the version I want to use..which takes
considerable time.
Luckily, I only use optimising compiler, so once a binary is built, it
matter not
which development system is active .. but this won't be so once shared
libraries
are used ..
Anyhow, just a though.. version control is a non-trivial thing.
--
John Max Skaller, mailto:skaller@ozemail.com.au
snail:10/1 Toxteth Rd, Glebe, NSW 2037, Australia.
voice:61-2-9660-0850
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Caml-list] Dynamically loaded library problems (ocaml-3.05)
2002-08-01 15:03 ` John Max Skaller
@ 2002-08-01 16:00 ` Sven LUTHER
0 siblings, 0 replies; 6+ messages in thread
From: Sven LUTHER @ 2002-08-01 16:00 UTC (permalink / raw)
To: John Max Skaller; +Cc: Sven LUTHER, caml-list
On Fri, Aug 02, 2002 at 01:03:20AM +1000, John Max Skaller wrote:
> Sven LUTHER wrote:
>
> >On Wed, Jul 31, 2002 at 01:08:20AM +1000, John Max Skaller wrote:
> >
> >>Can I suggest that the directory:
> >>
> >> /usr/local/lib/ocaml_3.05/
> >>
> >>might be a better default name? In switching versions around, having to
> >>reinstall
> >>
> >
> >Is this not configurable ?
> >
> Note I said *default* name: i.e. make the default libraries install in
> different places.
Well, you build with :
./configure -prefix /usr/local/ocaml/3.05 ...
and everything will go into the right place.
Then you can build with :
./configure -prefix /usr/local/ocaml/3.06 ...
for the next version, and :
ocamlc -where
will show the right place, which most packages use to know where to
install stuff.
Then you only need to have s symlink like :
ln -s /usr/local/ocaml/3.05 /usr/local/ocaml/current
or something, and have /usr/local/ocaml/current/bin in your PATH, and
all will work as you want (unless i badly misunderstood you).
This has worked since the early times of caml-light (well no the prefix
option, but you could hand specify the libdir, bindir, etc ...).
Friendly,
Sven Luther
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2002-07-30 9:45 [Caml-list] Dynamically loaded library problems (ocaml-3.05) Hans Ole Rafaelsen
2002-07-30 9:56 ` Xavier Leroy
2002-07-30 15:08 ` John Max Skaller
2002-07-30 16:18 ` Sven LUTHER
2002-08-01 15:03 ` John Max Skaller
2002-08-01 16:00 ` Sven LUTHER
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