d64917ad17
* There now is full support for building Haskell packages as shared libraries
for GHC versions 7.4.2 or later. The Cabal builder recognizes the following
attributes:
- enableSharedLibraries configures Cabal to build of shared libraries in
addition to static ones. This option requires that all dependencies of
the package have been compiled for use in shared libraries, too.
- enableSharedExecutables configures Cabal to prefer shared libraries when
linking executables.
The default values for these attributes are arguments to the haskellPackages
expression.
* Haskell builds now run in a LANG="en_US.UTF-8" environment to avoid plenty
of build and test suite errors. Without this setting, GHC seems unable to
deal with the UTF-8 character encoding that's generally considered standard
in the Haskell world.
* The Cabal builder supports a new attribute 'testTarget' to specify the exact
set of tests to be run during the check phase.
* The ghc-wrapper attribute ghcVersion has been removed. Instead, we use the
ghc.version attribute, which exists in unwrapped GHC derivations, too.
103 lines
3.8 KiB
Nix
103 lines
3.8 KiB
Nix
{stdenv, fetchurl, perl, libedit, ncurses, gmp}:
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stdenv.mkDerivation rec {
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version = "6.10.1";
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name = "ghc-${version}-binary";
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src =
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if stdenv.system == "i686-linux" then
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fetchurl {
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# This binary requires libedit.so.0 (rather than libedit.so.2).
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url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-unknown-linux.tar.bz2";
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sha256 = "18l0vwlf7y86s65klpdvz4ccp8kydvcmyh03c86hld8jvx16q7zz";
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}
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else if stdenv.system == "x86_64-linux" then
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fetchurl {
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# Idem.
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url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-unknown-linux.tar.bz2";
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sha256 = "14jvvn333i36wm7mmvi47jr93f5hxrw1h2dpjvqql0rp00svhzzg";
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}
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else if stdenv.system == "i686-darwin" then
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fetchurl {
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# Idem.
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url = "http://haskell.org/ghc/dist/${version}/maeder/ghc-${version}-i386-apple-darwin.tar.bz2";
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sha256 = "0lax61cfzxkrjb7an3magdax6c8fygsirpw9qfmc651k2sfby1mq";
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}
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else throw "cannot bootstrap GHC on this platform";
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buildInputs = [perl];
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postUnpack =
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# Strip is harmful, see also below. It's important that this happens
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# first. The GHC Cabal build system makes use of strip by default and
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# has hardcoded paths to /usr/bin/strip in many places. We replace
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# those below, making them point to our dummy script.
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''
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mkdir "$TMP/bin"
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for i in strip; do
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echo '#! ${stdenv.shell}' > "$TMP/bin/$i"
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chmod +x "$TMP/bin/$i"
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done
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PATH="$TMP/bin:$PATH"
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'' +
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# On Linux, use patchelf to modify the executables so that they can
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# find editline/gmp.
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(if stdenv.isLinux then ''
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find . -type f -perm +100 \
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-exec patchelf --interpreter "$(cat $NIX_GCC/nix-support/dynamic-linker)" \
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--set-rpath "${libedit}/lib:${ncurses}/lib:${gmp}/lib" {} \;
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for prog in ld ar gcc strip ranlib; do
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find . -name "setup-config" -exec sed -i "s@/usr/bin/$prog@$(type -p $prog)@g" {} \;
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done
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'' else "");
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configurePhase = ''
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${if stdenv.isDarwin then "export DYLD_LIBRARY_PATH=${gmp}/lib" else ""}
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cp $(type -P pwd) utils/pwd/pwd
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./configure --prefix=$out --with-gmp-libraries=${gmp}/lib --with-gmp-includes=${gmp}/include
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'';
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# Stripping combined with patchelf breaks the executables (they die
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# with a segfault or the kernel even refuses the execve). (NIXPKGS-85)
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dontStrip = true;
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# No building is necessary, but calling make without flags ironically
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# calls install-strip ...
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buildPhase = "true";
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# The binaries for Darwin use frameworks, so fake those frameworks,
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# and create some wrapper scripts that set DYLD_FRAMEWORK_PATH so
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# that the executables work with no special setup.
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postInstall =
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(if stdenv.isDarwin then
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''
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mv $out/bin $out/bin-orig
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mkdir $out/bin
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for i in $(cd $out/bin-orig && ls); do
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echo "#! $SHELL -e" >> $out/bin/$i
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echo "export DYLD_LIBRARY_PATH=\"${gmp}/lib:${libedit}/lib\"" >> $out/bin/$i
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echo "exec $out/bin-orig/$i \"\$@\"" >> $out/bin/$i
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chmod +x $out/bin/$i
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done
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'' else "")
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+
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''
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# bah, the passing gmp doesn't work, so let's add it to the final package.conf in a quick but dirty way
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sed -i "s@^\(.*pkgName = PackageName \"rts\".*\libraryDirs = \\[\)\(.*\)@\\1\"${gmp}/lib\",\2@" $out/lib/ghc-${version}/package.conf
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# Sanity check, can ghc create executables?
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cd $TMP
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mkdir test-ghc; cd test-ghc
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cat > main.hs << EOF
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module Main where
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main = putStrLn "yes"
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EOF
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$out/bin/ghc --make main.hs
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echo compilation ok
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[ $(./main) == "yes" ]
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'';
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meta.license = stdenv.lib.licenses.bsd3;
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meta.platforms = ["i686-darwin" "x86_64-linux" "i686-linux"];
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}
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