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Added more high-level attributes to cabal.nix.

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svn path=/nixpkgs/trunk/; revision=28392
This commit is contained in:
Andres Löh 2011-08-08 14:12:07 +00:00
parent b6d96e9782
commit f8880709d7
1 changed files with 35 additions and 8 deletions
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43
pkgs/development/libraries/haskell/cabal/cabal.nix
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@ -1,10 +1,17 @@
# generic builder for Cabal packages
{stdenv, fetchurl, lib, ghc, enableLibraryProfiling ? false} :
{stdenv, fetchurl, lib, pkgconfig, ghc, enableLibraryProfiling ? false} :
{
mkDerivation =
args : # arguments for the individual package, can modify the defaults
let defaults =
let # These attributes are removed in the end. This is in order not to spoil the build
# environment overly, but also to keep hash-backwards-compatible with the old cabal.nix.
internalAttrs = [
"internalAttrs" "buildDepends" "buildTools" "extraLibraries" "pkgconfigDepends"
"isLibrary" "isExecutable"
];
defaults =
self : { # self is the final version of the attribute set
# pname should be defined by the client to be the package basename
@ -17,10 +24,13 @@
# all packages with haskell- to avoid name clashes for libraries;
# if that is not desired (for applications), name can be set to
# fname.
name = if enableLibraryProfiling then
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling"
name = if self.isLibrary then
if enableLibraryProfiling then
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling"
else
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}"
else
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}";
"${self.pname}-${self.version}";
# the default download location for Cabal packages is Hackage,
# you still have to specify the checksum
@ -33,15 +43,32 @@
# buildInputs can be extended by the client by using extraBuildInputs,
# but often propagatedBuildInputs is preferable anyway
buildInputs = [ghc] ++ self.extraBuildInputs;
extraBuildInputs = [];
extraBuildInputs = self.buildTools ++
(if self.pkgconfigDepends == [] then [] else [pkgconfig]) ++
(if self.isLibrary then [] else self.buildDepends ++ self.extraLibraries ++ self.pkgconfigDepends);
# we make sure that propagatedBuildInputs is defined, so that we don't
# have to check for its existence
propagatedBuildInputs = [];
propagatedBuildInputs = if self.isLibrary then self.buildDepends ++ self.extraLibraries ++ self.pkgconfigDepends else [];
# library directories that have to be added to the Cabal files
extraLibDirs = [];
# build-depends Cabal field
buildDepends = [];
# build-tools Cabal field
buildTools = [];
# extra-libraries Cabal field
extraLibraries = [];
# pkgconfig-depends Cabal field
pkgconfigDepends = [];
isLibrary = ! self.isExecutable;
isExecutable = false;
libraryProfiling =
if enableLibraryProfiling then ["--enable-library-profiling"]
else ["--disable-library-profiling"];
@ -115,5 +142,5 @@
# in Cabal derivations.
inherit stdenv ghc;
};
in stdenv.mkDerivation ((rec { f = defaults f // args f; }).f);
in stdenv.mkDerivation (removeAttrs ((rec { f = defaults f // args f; }).f) internalAttrs) ;
}