On Mon, 23 Sep 2013 14:03:00 +0200, blackbox.dev.ml
<blackbox.dev...@gmail.com> wrote:
Hi!
I'm writing a tool that generates haskell code, build it with cabal and
launch it. I want to deliver that tool to clients, but I don't want to
force them, to install system wide any specific ghc or cabal version. How
can I embed compiled ghc, cabal and selected libraries (for specific
platform) in installer of my application?
In most cases, it is sufficient to copy the generated executable; when
dynamic libraries are used by the executable (like e.g. wxHaskell does),
they must be copied as well, preferably to the same directory as the
executable. Note that the dynamic libraries, when created from Haskell
source, must be compiled with the same version of GHC as the executable.
When e.g. data files are needed and the application uses the function
getDataDir from Cabal, an environment variable must be set to indicate
where the data files are located. For instance, to install wxAsteroids on
an other system, the environment variable wxAsteroids_datadir must be set;
see the file wxAsteroids\dist\build\autogen\Paths_wxAsteroids.hs (this
file is generated while building the package). An online example is
http://darcsden.com/dbp/housetab-export/browse/hsx-0.7.0/dist/build/autogen/Paths_hsx.hs
Regards,
Henk-Jan van Tuyl
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