On 2011-11-15 22:13-0500 Stefan Monnier wrote:
I'd still like to know how to explain to cmake that the command produces
2 files, but at least I can get rid of my hack.
That (assuming just a simple object file is produced by compilation)
is one of several general limitations with CMake language support. For
example, my understanding is this issue has been taken care of for
Fortran 95 (where compilation produces both object and module files)
with Fortran-95 specific changes to the C++ cmake code. But I would far
prefer to see a generic mechanism for this to not only to deal with
the Fortran 95 module issue, but also the compilation-generated Ada
library identification (*.ali) files, and also the similar issue for
OCaml compiler generated files that you have described.
Hmm...
Because of this and other struggles I had trying to implement Ada
language support for CMake, I didn't even consider implementing CMake
language support for OCaml for the PLplot OCaml bindings. Instead we
currently use (many!) custom commands and targets for that case, but
I would be happy to change to your CMake OCaml language support
if/when that works.
I'm trying to use CMake for a new project here. This project (a new
programming language, whose first implementation is in OCaml) is
currently in the very first stages (I have barely more than the lexer
written) and doesn't require anything sophisticated (there's only
1 OCaml file for now ;-). So my "language support" is very primitive
and rather than fight CMake, I'll probably just switch to something
else :-(
Hi Stefan:
I am sorry that CMake support for new languages with complicated needs
is not there yet, and I completely understand why you don't want to
get involved with that general problem for your limited OCaml needs.
However, I wouldn't give up on CMake entirely because of that
constraint. Instead, I would suggest you use the alternative of
low-level CMake custom commands and custom targets to build what you
need to build with OCaml. For a detailed example of that approach, see
http://plplot.svn.sourceforge.net/viewvc/plplot/trunk/cmake/modules/ocaml.cmake?view=log
(which sets things up for the OCaml parts of the PLplot build) ,
http://plplot.svn.sourceforge.net/viewvc/plplot/trunk/bindings/ocaml/CMakeLists.txt?view=log
(which gives examples of relevant custom commands and targets to build
the PLplot OCaml bindings), and
http://plplot.svn.sourceforge.net/viewvc/plplot/trunk/examples/ocaml/CMakeLists.txt?view=log
(which shows how we build the PLplot OCaml examples).
Alan
__________________________
Alan W. Irwin
Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).
Programming affiliations with the FreeEOS equation-of-state
implementation for stellar interiors (freeeos.sf.net); the Time
Ephemerides project (timeephem.sf.net); PLplot scientific plotting
software package (plplot.sf.net); the libLASi project
(unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
and the Linux Brochure Project (lbproject.sf.net).
__________________________
Linux-powered Science
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