{ stdenv, fetchurl, unzip, ant, gcj }: let version = "3.6.1"; date = "201009090800"; isGCJ = stdenv.lib.strings.substring 0 3 gcj.name == "gcj"; javaExec = if isGCJ then "gij" else "java"; javaFlags = if isGCJ then "--cp" else "-cp"; in stdenv.mkDerivation rec { name = "ecj-${version}"; src = fetchurl { url = "http://eclipse.ialto.org/eclipse/downloads/drops/R-${version}-${date}/ecjsrc-${version}.zip"; sha256 = "0xfsig2pzd9wy524wp11s7pc7cj81s28g1485995b44d9qbi17h8"; }; buildInputs = [ unzip ant gcj ]; unpackPhase = '' mkdir "${name}" cd "${name}" unzip "$src" ''; # Use whatever compiler Ant knows. buildPhase = "ant build"; installPhase = '' mkdir -pv "$out/lib/java" cp -v *.jar "$out/lib/java" mkdir -pv "$out/bin" cat > "$out/bin/ecj" <<EOF #! /bin/sh exec "$(type -P ${javaExec})" ${javaFlags} "$out/lib/java/ecj.jar" org.eclipse.jdt.internal.compiler.batch.Main \$@ EOF chmod u+x "$out/bin/ecj" ''; meta = { description = "The Eclipse Compiler for Java (ECJ)"; longDescription = '' ECJ is an incremental Java compiler. Implemented as an Eclipse builder, it is based on technology evolved from VisualAge for Java compiler. In particular, it allows users to run and debug code which still contains unresolved errors. ''; homepage = http://www.eclipse.org/jdt/core/index.php; # http://www.eclipse.org/legal/epl-v10.html (free software, copyleft) license = "EPLv1.0"; maintainers = [ stdenv.lib.maintainers.ludo ]; }; }