[Caml-list] Ocamlbuild doc with lacaml module

[Caml-list] Ocamlbuild doc with lacaml module

[Elisa Rebolini]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello list,
I'm developping a quantum chemistry software with ocaml and use lacaml
as a binding to the LAPACK and BLAS libraries.
I have a warning at the compilation with ocamlbuild
	Warning: Failed to build the module Lacaml requested by ocamldep
	mid rule ocaml: ml -> cmo & cmi (%=parser_epsilon ): cache hit
but the compilation is still successful and the program works as
expected but when I try to compile the documentation I have an error
	Error: Unbound module Lacaml
I'm not very skilled (yet?) with caml so any help would be very much
appreciated.
Thanks a lot
- -- 
Elisa Rebolini
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Re: [Caml-list] Ocamlbuild doc with lacaml module

[Gabriel Scherer]

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It would help to have more precise information about your setup. Could you
detail how you installed lacaml on your system, and provide a directory
tarball for a simple project allowing to reproduce your problem (with the
_tags file etc.)?

On Thu, Feb 21, 2013 at 2:07 PM, Elisa Rebolini <erebolini@gmail.com> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hello list,
> I'm developping a quantum chemistry software with ocaml and use lacaml
> as a binding to the LAPACK and BLAS libraries.
> I have a warning at the compilation with ocamlbuild
>         Warning: Failed to build the module Lacaml requested by ocamldep
>         mid rule ocaml: ml -> cmo & cmi (%=parser_epsilon ): cache hit
> but the compilation is still successful and the program works as
> expected but when I try to compile the documentation I have an error
>         Error: Unbound module Lacaml
> I'm not very skilled (yet?) with caml so any help would be very much
> appreciated.
> Thanks a lot
> - --
> Elisa Rebolini
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> Version: GnuPG v1.4.11 (GNU/Linux)
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
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>
> --
> Caml-list mailing list.  Subscription management and archives:
> https://sympa.inria.fr/sympa/arc/caml-list
> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
> Bug reports: http://caml.inria.fr/bin/caml-bugs
>

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Re: [Caml-list] Ocamlbuild doc with lacaml module

[Elisa Rebolini]

I've installed lacaml 7.0.3 by following the installation procedure
	'ocaml setup.ml -configure'
	'ocaml setup.ml -build'
	'ocaml setup.ml -install'
The path to the lacaml package is /usr/local/lib/ocaml/site-lib/lacaml
and my Makefile is

hostname := $(shell uname -n)

# Default
LIB=-I,+site-lib/lacaml

ifeq ($(hostname),clastos)
LIB=-I,+site-lib/lacaml
endif

ifeq ($(hostname),bulle)
LIB=-I,/usr/local/lib/ocaml/3.12.1/lacaml
endif

all:
	ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags $(LIB)
-lflags $(LIB) molexc.native

clean:
	ocamlbuild -clean

doc:
	ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags $(LIB)
-lflags $(LIB) molexc.docdir/index.html

thanks
-- 
Elisa

Le 21/02/2013 14:11, Gabriel Scherer a écrit :
> It would help to have more precise information about your setup. Could you
> detail how you installed lacaml on your system, and provide a directory
> tarball for a simple project allowing to reproduce your problem (with the
> _tags file etc.)?
> 
> On Thu, Feb 21, 2013 at 2:07 PM, Elisa Rebolini <erebolini@gmail.com> wrote:
> 
> Hello list,
> I'm developping a quantum chemistry software with ocaml and use lacaml
> as a binding to the LAPACK and BLAS libraries.
> I have a warning at the compilation with ocamlbuild
>         Warning: Failed to build the module Lacaml requested by ocamldep
>         mid rule ocaml: ml -> cmo & cmi (%=parser_epsilon ): cache hit
> but the compilation is still successful and the program works as
> expected but when I try to compile the documentation I have an error
>         Error: Unbound module Lacaml
> I'm not very skilled (yet?) with caml so any help would be very much
> appreciated.
> Thanks a lot
>>
>> --
>> Caml-list mailing list.  Subscription management and archives:
>> https://sympa.inria.fr/sympa/arc/caml-list
>> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
>> Bug reports: http://caml.inria.fr/bin/caml-bugs
>>
> 

Re: [Caml-list] Ocamlbuild doc with lacaml module

[Gabriel Scherer]

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Two remarks:

1. You should use "ocamlfind" to provide you with machine-portable path
information on OCaml libraries (this only works with libraries that have
ocamlfind support, but that's essentially all libraries worth using, and
otherwise it's a packaging bug that you should report to the library author
or distributor). So instead of the machine-dependent LIB variable, you
could just set:
  LIB=-I,$(shell ocamlfind query lacaml)

2. You don't actually need this include-handling logic as ocamlfind can
deal with that for you. To use it from ocamlbuild, the magic option is
"-use-ocamlfind", and then using "-pkg(s)" instead of "-lib(s)" option. I
was able to reproduce your problem on a test file, and fixed it with the
following Makefile:

all:
    ocamlbuild -use-ocamlfind -pkgs bigarray,lacaml,str,unix -verbose 2
molexc.native

clean:
    ocamlbuild -clean

doc:
    ocamlbuild -use-ocamlfind -pkgs bigarray,lacaml,str,unix
molexc.docdir/index.html

(To see a list of available ocamlfind package, use "ocamlfind list"; see
_build/_log for the actual compilation lines that ocamlbuild uses, if you
want to reproduce them by hand.)

On Thu, Feb 21, 2013 at 2:25 PM, Elisa Rebolini <erebolini@gmail.com> wrote:

> I've installed lacaml 7.0.3 by following the installation procedure
>         'ocaml setup.ml -configure'
>         'ocaml setup.ml -build'
>         'ocaml setup.ml -install'
> The path to the lacaml package is /usr/local/lib/ocaml/site-lib/lacaml
> and my Makefile is
>
> hostname := $(shell uname -n)
>
> # Default
> LIB=-I,+site-lib/lacaml
>
> ifeq ($(hostname),clastos)
> LIB=-I,+site-lib/lacaml
> endif
>
> ifeq ($(hostname),bulle)
> LIB=-I,/usr/local/lib/ocaml/3.12.1/lacaml
> endif
>
> all:
>         ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags $(LIB)
> -lflags $(LIB) molexc.native
>
> clean:
>         ocamlbuild -clean
>
> doc:
>         ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags $(LIB)
> -lflags $(LIB) molexc.docdir/index.html
>
> thanks
> --
> Elisa
>
> Le 21/02/2013 14:11, Gabriel Scherer a écrit :
> > It would help to have more precise information about your setup. Could
> you
> > detail how you installed lacaml on your system, and provide a directory
> > tarball for a simple project allowing to reproduce your problem (with the
> > _tags file etc.)?
> >
> > On Thu, Feb 21, 2013 at 2:07 PM, Elisa Rebolini <erebolini@gmail.com>
> wrote:
> >
> > Hello list,
> > I'm developping a quantum chemistry software with ocaml and use lacaml
> > as a binding to the LAPACK and BLAS libraries.
> > I have a warning at the compilation with ocamlbuild
> >         Warning: Failed to build the module Lacaml requested by ocamldep
> >         mid rule ocaml: ml -> cmo & cmi (%=parser_epsilon ): cache hit
> > but the compilation is still successful and the program works as
> > expected but when I try to compile the documentation I have an error
> >         Error: Unbound module Lacaml
> > I'm not very skilled (yet?) with caml so any help would be very much
> > appreciated.
> > Thanks a lot
> >>
> >> --
> >> Caml-list mailing list.  Subscription management and archives:
> >> https://sympa.inria.fr/sympa/arc/caml-list
> >> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
> >> Bug reports: http://caml.inria.fr/bin/caml-bugs
> >>
> >
>

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Re: [Caml-list] Ocamlbuild doc with lacaml module

[Markus Mottl]

Hi,

I've just set up a small, self-contained example "lacaml_test" in my
OCaml playground repository on Bitbucket:

  https://bitbucket.org/mmottl/ocaml-playground

Just clone the repository to your computer:

  hg clone ssh://hg@bitbucket.org/mmottl/ocaml-playground

Then follow the instructions in the README files.

Regards,
Markus

On Thu, Feb 21, 2013 at 8:25 AM, Elisa Rebolini <erebolini@gmail.com> wrote:
> I've installed lacaml 7.0.3 by following the installation procedure
>         'ocaml setup.ml -configure'
>         'ocaml setup.ml -build'
>         'ocaml setup.ml -install'
> The path to the lacaml package is /usr/local/lib/ocaml/site-lib/lacaml
> and my Makefile is
>
> hostname := $(shell uname -n)
>
> # Default
> LIB=-I,+site-lib/lacaml
>
> ifeq ($(hostname),clastos)
> LIB=-I,+site-lib/lacaml
> endif
>
> ifeq ($(hostname),bulle)
> LIB=-I,/usr/local/lib/ocaml/3.12.1/lacaml
> endif
>
> all:
>         ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags $(LIB)
> -lflags $(LIB) molexc.native
>
> clean:
>         ocamlbuild -clean
>
> doc:
>         ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags $(LIB)
> -lflags $(LIB) molexc.docdir/index.html
>
> thanks
> --
> Elisa
>
> Le 21/02/2013 14:11, Gabriel Scherer a écrit :
>> It would help to have more precise information about your setup. Could you
>> detail how you installed lacaml on your system, and provide a directory
>> tarball for a simple project allowing to reproduce your problem (with the
>> _tags file etc.)?
>>
>> On Thu, Feb 21, 2013 at 2:07 PM, Elisa Rebolini <erebolini@gmail.com> wrote:
>>
>> Hello list,
>> I'm developping a quantum chemistry software with ocaml and use lacaml
>> as a binding to the LAPACK and BLAS libraries.
>> I have a warning at the compilation with ocamlbuild
>>         Warning: Failed to build the module Lacaml requested by ocamldep
>>         mid rule ocaml: ml -> cmo & cmi (%=parser_epsilon ): cache hit
>> but the compilation is still successful and the program works as
>> expected but when I try to compile the documentation I have an error
>>         Error: Unbound module Lacaml
>> I'm not very skilled (yet?) with caml so any help would be very much
>> appreciated.
>> Thanks a lot
>>>
>>> --
>>> Caml-list mailing list.  Subscription management and archives:
>>> https://sympa.inria.fr/sympa/arc/caml-list
>>> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
>>> Bug reports: http://caml.inria.fr/bin/caml-bugs
>>>
>>
>
> --
> Caml-list mailing list.  Subscription management and archives:
> https://sympa.inria.fr/sympa/arc/caml-list
> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
> Bug reports: http://caml.inria.fr/bin/caml-bugs



-- 
Markus Mottl        http://www.ocaml.info        markus.mottl@gmail.com

Re: [Caml-list] Ocamlbuild doc with lacaml module

[Gabriel Scherer]

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A word of comment: Markus uses a slightly more advanced feature of
ocamlbuild, which is the ability to set compilation tags not in the
ocamlbuild invocation command, as you've been using, but in a dedicated
"_tags" file in the repository:

https://bitbucket.org/mmottl/ocaml-playground/src/65d3ec500ac36683e18d0b84dbf98115f82ea8af/lacaml_test/_tags

You can see the line "true: package(lacaml)", which means that all
compilation commands needed to compile whatever target is required
(test.native, test.docdir/index.html...) will use the lacaml ocamlfind
package (this only works if ocamlbuild is invoked with -use-ocamlfind,
which is the case in his Makefile).

On Thu, Feb 21, 2013 at 3:34 PM, Markus Mottl <markus.mottl@gmail.com>wrote:

> Hi,
>
> I've just set up a small, self-contained example "lacaml_test" in my
> OCaml playground repository on Bitbucket:
>
>   https://bitbucket.org/mmottl/ocaml-playground
>
> Just clone the repository to your computer:
>
>   hg clone ssh://hg@bitbucket.org/mmottl/ocaml-playground
>
> Then follow the instructions in the README files.
>
> Regards,
> Markus
>
> On Thu, Feb 21, 2013 at 8:25 AM, Elisa Rebolini <erebolini@gmail.com>
> wrote:
> > I've installed lacaml 7.0.3 by following the installation procedure
> >         'ocaml setup.ml -configure'
> >         'ocaml setup.ml -build'
> >         'ocaml setup.ml -install'
> > The path to the lacaml package is /usr/local/lib/ocaml/site-lib/lacaml
> > and my Makefile is
> >
> > hostname := $(shell uname -n)
> >
> > # Default
> > LIB=-I,+site-lib/lacaml
> >
> > ifeq ($(hostname),clastos)
> > LIB=-I,+site-lib/lacaml
> > endif
> >
> > ifeq ($(hostname),bulle)
> > LIB=-I,/usr/local/lib/ocaml/3.12.1/lacaml
> > endif
> >
> > all:
> >         ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags
> $(LIB)
> > -lflags $(LIB) molexc.native
> >
> > clean:
> >         ocamlbuild -clean
> >
> > doc:
> >         ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags
> $(LIB)
> > -lflags $(LIB) molexc.docdir/index.html
> >
> > thanks
> > --
> > Elisa
> >
> > Le 21/02/2013 14:11, Gabriel Scherer a écrit :
> >> It would help to have more precise information about your setup. Could
> you
> >> detail how you installed lacaml on your system, and provide a directory
> >> tarball for a simple project allowing to reproduce your problem (with
> the
> >> _tags file etc.)?
> >>
> >> On Thu, Feb 21, 2013 at 2:07 PM, Elisa Rebolini <erebolini@gmail.com>
> wrote:
> >>
> >> Hello list,
> >> I'm developping a quantum chemistry software with ocaml and use lacaml
> >> as a binding to the LAPACK and BLAS libraries.
> >> I have a warning at the compilation with ocamlbuild
> >>         Warning: Failed to build the module Lacaml requested by ocamldep
> >>         mid rule ocaml: ml -> cmo & cmi (%=parser_epsilon ): cache hit
> >> but the compilation is still successful and the program works as
> >> expected but when I try to compile the documentation I have an error
> >>         Error: Unbound module Lacaml
> >> I'm not very skilled (yet?) with caml so any help would be very much
> >> appreciated.
> >> Thanks a lot
> >>>
> >>> --
> >>> Caml-list mailing list.  Subscription management and archives:
> >>> https://sympa.inria.fr/sympa/arc/caml-list
> >>> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
> >>> Bug reports: http://caml.inria.fr/bin/caml-bugs
> >>>
> >>
> >
> > --
> > Caml-list mailing list.  Subscription management and archives:
> > https://sympa.inria.fr/sympa/arc/caml-list
> > Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
> > Bug reports: http://caml.inria.fr/bin/caml-bugs
>
>
>
> --
> Markus Mottl        http://www.ocaml.info        markus.mottl@gmail.com
>

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Re: [Caml-list] Ocamlbuild doc with lacaml module

[Markus Mottl]

On Thu, Feb 21, 2013 at 9:37 AM, Gabriel Scherer
<gabriel.scherer@gmail.com> wrote:
> A word of comment: Markus uses a slightly more advanced feature of
> ocamlbuild, which is the ability to set compilation tags not in the
> ocamlbuild invocation command, as you've been using, but in a dedicated
> "_tags" file in the repository:
>
> https://bitbucket.org/mmottl/ocaml-playground/src/65d3ec500ac36683e18d0b84dbf98115f82ea8af/lacaml_test/_tags

The project also uses a build target file "all.itarget" that describes
the ocamlbuild invocation required (i.e. with -use-ocamlfind):

  https://bitbucket.org/mmottl/ocaml-playground/src/65d3ec500ac3/lacaml_test/all.itarget?at=default

Regards,
Markus

-- 
Markus Mottl        http://www.ocaml.info        markus.mottl@gmail.com

Re: [Caml-list] Ocamlbuild doc with lacaml module

[Elisa Rebolini]

It works perfectly.
Thanks a lot !
And a special thanks to Markus for the lacaml package which prevents me
from coding in Fortran 90 !
-- 
Elisa

Le 21/02/2013 15:32, Gabriel Scherer a écrit :
> Two remarks:
> 
> 1. You should use "ocamlfind" to provide you with machine-portable path
> information on OCaml libraries (this only works with libraries that have
> ocamlfind support, but that's essentially all libraries worth using, and
> otherwise it's a packaging bug that you should report to the library author
> or distributor). So instead of the machine-dependent LIB variable, you
> could just set:
>   LIB=-I,$(shell ocamlfind query lacaml)
> 
> 2. You don't actually need this include-handling logic as ocamlfind can
> deal with that for you. To use it from ocamlbuild, the magic option is
> "-use-ocamlfind", and then using "-pkg(s)" instead of "-lib(s)" option. I
> was able to reproduce your problem on a test file, and fixed it with the
> following Makefile:
> 
> all:
>     ocamlbuild -use-ocamlfind -pkgs bigarray,lacaml,str,unix -verbose 2
> molexc.native
> 
> clean:
>     ocamlbuild -clean
> 
> doc:
>     ocamlbuild -use-ocamlfind -pkgs bigarray,lacaml,str,unix
> molexc.docdir/index.html
> 
> (To see a list of available ocamlfind package, use "ocamlfind list"; see
> _build/_log for the actual compilation lines that ocamlbuild uses, if you
> want to reproduce them by hand.)
> 
> On Thu, Feb 21, 2013 at 2:25 PM, Elisa Rebolini <erebolini@gmail.com> wrote:
> 
>> I've installed lacaml 7.0.3 by following the installation procedure
>>         'ocaml setup.ml -configure'
>>         'ocaml setup.ml -build'
>>         'ocaml setup.ml -install'
>> The path to the lacaml package is /usr/local/lib/ocaml/site-lib/lacaml
>> and my Makefile is
>>
>> hostname := $(shell uname -n)
>>
>> # Default
>> LIB=-I,+site-lib/lacaml
>>
>> ifeq ($(hostname),clastos)
>> LIB=-I,+site-lib/lacaml
>> endif
>>
>> ifeq ($(hostname),bulle)
>> LIB=-I,/usr/local/lib/ocaml/3.12.1/lacaml
>> endif
>>
>> all:
>>         ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags $(LIB)
>> -lflags $(LIB) molexc.native
>>
>> clean:
>>         ocamlbuild -clean
>>
>> doc:
>>         ocamlbuild -libs bigarray,lacaml,str,unix -verbose 2 -cflags $(LIB)
>> -lflags $(LIB) molexc.docdir/index.html
>>
>> thanks
>> --
>> Elisa
>>
>> Le 21/02/2013 14:11, Gabriel Scherer a écrit :
>>> It would help to have more precise information about your setup. Could
>> you
>>> detail how you installed lacaml on your system, and provide a directory
>>> tarball for a simple project allowing to reproduce your problem (with the
>>> _tags file etc.)?
>>>
>>> On Thu, Feb 21, 2013 at 2:07 PM, Elisa Rebolini <erebolini@gmail.com>
>> wrote:
>>>
>>> Hello list,
>>> I'm developping a quantum chemistry software with ocaml and use lacaml
>>> as a binding to the LAPACK and BLAS libraries.
>>> I have a warning at the compilation with ocamlbuild
>>>         Warning: Failed to build the module Lacaml requested by ocamldep
>>>         mid rule ocaml: ml -> cmo & cmi (%=parser_epsilon ): cache hit
>>> but the compilation is still successful and the program works as
>>> expected but when I try to compile the documentation I have an error
>>>         Error: Unbound module Lacaml
>>> I'm not very skilled (yet?) with caml so any help would be very much
>>> appreciated.
>>> Thanks a lot
>>>>
>>>> --
>>>> Caml-list mailing list.  Subscription management and archives:
>>>> https://sympa.inria.fr/sympa/arc/caml-list
>>>> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
>>>> Bug reports: http://caml.inria.fr/bin/caml-bugs
>>>>
>>>
>>
> 

Re: [Caml-list] Ocamlbuild doc with lacaml module

[Markus Mottl]

On Thu, Feb 21, 2013 at 9:49 AM, Elisa Rebolini <erebolini@gmail.com> wrote:
> It works perfectly.
> Thanks a lot !
> And a special thanks to Markus for the lacaml package which prevents me
> from coding in Fortran 90 !

If I managed to save somebody from the unimaginable pain of using
Fortran, the effort was worthwhile :-)

Regards,
Markus

-- 
Markus Mottl        http://www.ocaml.info        markus.mottl@gmail.com