307 lines
14 KiB
Nix
307 lines
14 KiB
Nix
# generic builder for Cabal packages
|
|
|
|
{ stdenv, fetchurl, lib, pkgconfig, ghc, Cabal, jailbreakCabal, glibcLocales
|
|
, gnugrep, coreutils, hscolour
|
|
, enableLibraryProfiling ? false
|
|
, enableSharedLibraries ? false
|
|
, enableSharedExecutables ? false
|
|
, enableStaticLibraries ? true
|
|
, enableCheckPhase ? stdenv.lib.versionOlder "7.4" ghc.version
|
|
, enableHyperlinkSource ? true
|
|
, extension ? (self : super : {})
|
|
}:
|
|
|
|
let
|
|
enableFeature = stdenv.lib.enableFeature;
|
|
versionOlder = stdenv.lib.versionOlder;
|
|
optional = stdenv.lib.optional;
|
|
optionals = stdenv.lib.optionals;
|
|
optionalString = stdenv.lib.optionalString;
|
|
filter = stdenv.lib.filter;
|
|
|
|
defaultSetupHs = builtins.toFile "Setup.hs" ''
|
|
import Distribution.Simple
|
|
main = defaultMain
|
|
'';
|
|
in
|
|
|
|
# Cabal shipped with GHC 6.12.4 or earlier doesn't know the "--enable-tests configure" flag.
|
|
assert enableCheckPhase -> versionOlder "7" ghc.version;
|
|
|
|
# GHC prior to 7.4.x doesn't know the "--enable-executable-dynamic" flag.
|
|
assert enableSharedExecutables -> versionOlder "7.4" ghc.version;
|
|
|
|
# Our GHC 6.10.x builds do not provide sharable versions of their core libraries.
|
|
assert enableSharedLibraries -> versionOlder "6.12" ghc.version;
|
|
|
|
# Pure shared library builds don't work before GHC 7.8.x.
|
|
assert !enableStaticLibraries -> versionOlder "7.7" ghc.version;
|
|
|
|
{
|
|
mkDerivation =
|
|
args : # arguments for the individual package, can modify the 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" "testDepends"
|
|
];
|
|
|
|
# Stuff happening after the user preferences have been processed. We remove
|
|
# internal attributes and strip null elements from the dependency lists, all
|
|
# in the interest of keeping hashes stable.
|
|
postprocess =
|
|
x : (removeAttrs x internalAttrs) // {
|
|
buildInputs = filter (y : ! (y == null)) x.buildInputs;
|
|
propagatedBuildInputs = filter (y : ! (y == null)) x.propagatedBuildInputs;
|
|
propagatedUserEnvPkgs = filter (y : ! (y == null)) x.propagatedUserEnvPkgs;
|
|
doCheck = enableCheckPhase && x.doCheck;
|
|
hyperlinkSource = enableHyperlinkSource && x.hyperlinkSource;
|
|
# Disable Darwin builds: <https://github.com/NixOS/nixpkgs/issues/2689>.
|
|
meta = let meta = x.meta or {};
|
|
hydraPlatforms = meta.hydraPlatforms or meta.platforms or [];
|
|
noElem = p: ps: !stdenv.lib.elem p ps;
|
|
noDarwin = p: noElem p stdenv.lib.platforms.darwin;
|
|
in
|
|
meta // { hydraPlatforms = filter noDarwin hydraPlatforms; };
|
|
};
|
|
|
|
defaults =
|
|
self : { # self is the final version of the attribute set
|
|
|
|
# pname should be defined by the client to be the package basename
|
|
# version should be defined by the client to be the package version
|
|
|
|
# fname is the internal full name of the package
|
|
fname = "${self.pname}-${self.version}";
|
|
|
|
# name is the external full name of the package; usually we prefix
|
|
# 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 self.isLibrary then
|
|
if enableLibraryProfiling && self.enableSharedLibraries then
|
|
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling-shared"
|
|
else if enableLibraryProfiling && !self.enableSharedLibraries then
|
|
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling"
|
|
else if !enableLibraryProfiling && self.enableSharedLibraries then
|
|
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-shared"
|
|
else
|
|
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}"
|
|
else
|
|
"${self.pname}-${self.version}";
|
|
|
|
# the default download location for Cabal packages is Hackage,
|
|
# you still have to specify the checksum
|
|
src = fetchurl {
|
|
url = "mirror://hackage/${self.pname}/${self.fname}.tar.gz";
|
|
inherit (self) sha256;
|
|
};
|
|
|
|
# default buildInputs are just ghc, if more buildInputs are required
|
|
# buildInputs can be extended by the client by using extraBuildInputs,
|
|
# but often propagatedBuildInputs is preferable anyway
|
|
buildInputs = [ghc Cabal] ++ self.extraBuildInputs;
|
|
extraBuildInputs = self.buildTools ++
|
|
(optionals self.doCheck self.testDepends) ++
|
|
(optional self.hyperlinkSource hscolour) ++
|
|
(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 = if self.isLibrary then self.buildDepends ++ self.extraLibraries ++ self.pkgconfigDepends else [];
|
|
|
|
# By default, also propagate all dependencies to the user environment. This is required, otherwise packages would be broken, because
|
|
# GHC also needs all dependencies to be available.
|
|
propagatedUserEnvPkgs = if self.isLibrary then self.buildDepends else [];
|
|
|
|
# library directories that have to be added to the Cabal files
|
|
extraLibDirs = [];
|
|
|
|
# build-depends Cabal field
|
|
buildDepends = [];
|
|
|
|
# target(s) passed to the cabal build phase as an argument
|
|
buildTarget = "";
|
|
|
|
# build-depends Cabal fields stated in test-suite stanzas
|
|
testDepends = [];
|
|
|
|
# target(s) passed to the cabal test phase as an argument
|
|
testTarget = "";
|
|
|
|
# build-tools Cabal field
|
|
buildTools = [];
|
|
|
|
# extra-libraries Cabal field
|
|
extraLibraries = [];
|
|
|
|
# pkgconfig-depends Cabal field
|
|
pkgconfigDepends = [];
|
|
|
|
isLibrary = ! self.isExecutable;
|
|
isExecutable = false;
|
|
|
|
# ignore version restrictions on the build inputs that the cabal file might specify
|
|
jailbreak = false;
|
|
|
|
# pass the '--enable-split-objs' flag to cabal in the configure stage
|
|
enableSplitObjs = !stdenv.isDarwin; # http://hackage.haskell.org/trac/ghc/ticket/4013
|
|
|
|
# pass the '--enable-tests' flag to cabal in the configure stage
|
|
# and run any regression test suites the package might have
|
|
doCheck = enableCheckPhase;
|
|
|
|
# pass the '--hyperlink-source' flag to ./Setup haddock
|
|
hyperlinkSource = enableHyperlinkSource;
|
|
|
|
# abort the build if the configure phase detects that the package
|
|
# depends on multiple versions of the same build input
|
|
strictConfigurePhase = true;
|
|
|
|
# pass the '--enable-library-vanilla' flag to cabal in the
|
|
# configure stage to enable building shared libraries
|
|
inherit enableStaticLibraries;
|
|
|
|
# pass the '--enable-shared' flag to cabal in the configure
|
|
# stage to enable building shared libraries
|
|
inherit enableSharedLibraries;
|
|
|
|
# pass the '--enable-executable-dynamic' flag to cabal in
|
|
# the configure stage to enable linking shared libraries
|
|
inherit enableSharedExecutables;
|
|
|
|
extraConfigureFlags = [
|
|
(enableFeature self.enableSplitObjs "split-objs")
|
|
(enableFeature enableLibraryProfiling "library-profiling")
|
|
(enableFeature self.enableSharedLibraries "shared")
|
|
(optional (versionOlder "7" ghc.version) (enableFeature self.enableStaticLibraries "library-vanilla"))
|
|
(optional (versionOlder "7.4" ghc.version) (enableFeature self.enableSharedExecutables "executable-dynamic"))
|
|
(optional (versionOlder "7" ghc.version) (enableFeature self.doCheck "tests"))
|
|
];
|
|
|
|
# GHC needs the locale configured during the Haddock phase.
|
|
LANG = "en_US.UTF-8";
|
|
LOCALE_ARCHIVE = optionalString stdenv.isLinux "${glibcLocales}/lib/locale/locale-archive";
|
|
|
|
# compiles Setup and configures
|
|
configurePhase = ''
|
|
eval "$preConfigure"
|
|
|
|
${optionalString self.jailbreak "${jailbreakCabal}/bin/jailbreak-cabal ${self.pname}.cabal"}
|
|
|
|
for i in Setup.hs Setup.lhs ${defaultSetupHs}; do
|
|
test -f $i && break
|
|
done
|
|
ghc --make -o Setup -odir $TMPDIR -hidir $TMPDIR $i
|
|
|
|
for p in $extraBuildInputs $propagatedNativeBuildInputs; do
|
|
if [ -d "$p/lib/ghc-${ghc.ghc.version}/package.conf.d" ]; then
|
|
# Haskell packages don't need any extra configuration.
|
|
continue;
|
|
fi
|
|
if [ -d "$p/include" ]; then
|
|
extraConfigureFlags+=" --extra-include-dirs=$p/include"
|
|
fi
|
|
for d in lib{,64}; do
|
|
if [ -d "$p/$d" ]; then
|
|
extraConfigureFlags+=" --extra-lib-dirs=$p/$d"
|
|
fi
|
|
done
|
|
done
|
|
|
|
${optionalString (self.enableSharedExecutables && self.stdenv.isLinux) ''
|
|
configureFlags+=" --ghc-option=-optl=-Wl,-rpath=$out/lib/${ghc.ghc.name}/${self.pname}-${self.version}"
|
|
''}
|
|
${optionalString (self.enableSharedExecutables && self.stdenv.isDarwin) ''
|
|
configureFlags+=" --ghc-option=-optl=-Wl,-headerpad_max_install_names"
|
|
''}
|
|
${optionalString (versionOlder "7.8" ghc.version && !self.isLibrary) ''
|
|
configureFlags+=" --ghc-option=-j$NIX_BUILD_CORES"
|
|
''}
|
|
|
|
${optionalString self.stdenv.isDarwin ''
|
|
configureFlags+=" --with-gcc=clang"
|
|
''}
|
|
|
|
echo "configure flags: $extraConfigureFlags $configureFlags"
|
|
./Setup configure --verbose --prefix="$out" --libdir='$prefix/lib/$compiler' \
|
|
--libsubdir='$pkgid' $extraConfigureFlags $configureFlags 2>&1 \
|
|
${optionalString self.strictConfigurePhase ''
|
|
| ${coreutils}/bin/tee "$NIX_BUILD_TOP/cabal-configure.log"
|
|
if ${gnugrep}/bin/egrep -q '^Warning:.*depends on multiple versions' "$NIX_BUILD_TOP/cabal-configure.log"; then
|
|
echo >&2 "*** abort because of serious configure-time warning from Cabal"
|
|
exit 1
|
|
fi
|
|
''}
|
|
|
|
eval "$postConfigure"
|
|
'';
|
|
|
|
# builds via Cabal
|
|
buildPhase = ''
|
|
eval "$preBuild"
|
|
|
|
./Setup build ${self.buildTarget}
|
|
|
|
export GHC_PACKAGE_PATH=$(${ghc.GHCPackages})
|
|
test -n "$noHaddock" || ./Setup haddock --html --hoogle \
|
|
${optionalString (stdenv.lib.versionOlder "6.12" ghc.version) "--ghc-options=-optP-P"} \
|
|
${optionalString self.hyperlinkSource "--hyperlink-source"}
|
|
|
|
eval "$postBuild"
|
|
'';
|
|
|
|
checkPhase = optional self.doCheck ''
|
|
eval "$preCheck"
|
|
|
|
./Setup test ${self.testTarget}
|
|
|
|
eval "$postCheck"
|
|
'';
|
|
|
|
# installs via Cabal; creates a registration file for nix-support
|
|
# so that the package can be used in other Haskell-builds; also
|
|
# adds all propagated build inputs to the user environment packages
|
|
installPhase = ''
|
|
eval "$preInstall"
|
|
|
|
./Setup copy
|
|
|
|
mkdir -p $out/bin # necessary to get it added to PATH
|
|
|
|
local confDir=$out/lib/ghc-${ghc.ghc.version}/package.conf.d
|
|
local installedPkgConf=$confDir/${self.fname}.installedconf
|
|
local pkgConf=$confDir/${self.fname}.conf
|
|
mkdir -p $confDir
|
|
./Setup register --gen-pkg-config=$pkgConf
|
|
if test -f $pkgConf; then
|
|
echo '[]' > $installedPkgConf
|
|
GHC_PACKAGE_PATH=$installedPkgConf ghc-pkg --global register $pkgConf --force
|
|
fi
|
|
|
|
if test -f $out/nix-support/propagated-native-build-inputs; then
|
|
ln -s $out/nix-support/propagated-native-build-inputs $out/nix-support/propagated-user-env-packages
|
|
fi
|
|
|
|
${optionalString (self.enableSharedExecutables && self.isExecutable && self.stdenv.isDarwin) ''
|
|
for exe in "$out/bin/"* ; do
|
|
install_name_tool -add_rpath \
|
|
$out/lib/${ghc.ghc.name}/${self.pname}-${self.version} $exe
|
|
done
|
|
''}
|
|
|
|
eval "$postInstall"
|
|
'';
|
|
|
|
# We inherit stdenv and ghc so that they can be used
|
|
# in Cabal derivations.
|
|
inherit stdenv ghc;
|
|
};
|
|
in
|
|
stdenv.mkDerivation (postprocess (let super = defaults self // args self;
|
|
self = super // extension self super;
|
|
in self));
|
|
}
|