Hi Hisham,
I figured out a few details in the meantime:
On Thu, Feb 20, 2014 at 02:36:15PM -0500, Peter Colberg wrote:
> * How do I pass the path for Lua modules to the Makefile?
>
> If I pass install_variables.PREFIX = "$(PREFIX)" the Lua modules
> are installed to the prefix of the rock, but not to the common Lua
> modules path that is returned by "luarocks path".
The trick is to install Lua modules to the path $(LUADIR), which is
set to $(PREFIX)/lua; then Luarocks moves the Lua modules to the
common directory.
> * For a dependency installed as a rock, how do I pass its rock
> prefix in build_variables? The build_variables of lua-hdf5
> need to point to the rock prefixes of gcc-lua (plugin) and
> gcc-lua-cdecl (header file).
This is more clear to me now:
What I am looking for is a build-time dependency, rather than a
runtime-dependency. Have you already considered adding build-time
dependencies to the rockspec format?
> * How do I express the dependency on luajit >= 2.0?
>
> * How do I run the test suite of a module before installation?
I have two more questions:
* The source rock uses gcc and the gcc-lua plugin to compile the headers
of a library into pure C source code that the FFI module can digest.
gcc-lua essentially does an API to ABI translation. The result of
this translation is generally architecture-dependent.
I can make “luarocks pack” include the architecture by installing the
arch-dependent C.lua to $(LIBDIR) instead of $(LUADIR). Could this
use case be supported by adding $(LIBDIR) to the LUA_PATH that is
shown by “luarocks path”?
* Does the luarocks repository support uploading multiple binary rocks
for a single source rock? The lua-hdf5 and lua-mpi rocks need to
match the (optional) MPI library installed on the user’s system.
A source rock "lua-hdf5" would be accompanied by these binary rocks:
* lua-hdf5 (without MPI)
* lua-hdf5-openmpi (for OpenMPI)
* lua-hdf5-mpich (for MPICH)
Can I simply manually rename the binary rocks for the upload?
Thanks,
Peter
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