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{stdenv, fetchurl, jre} :
stdenv.mkDerivation rec {
name = "jflex-1.8.1";
src = fetchurl {
url = "http://jflex.de/release/${name}.tar.gz";
sha256 = "0hspw4z1i7wc1dnnyh4xx6ka7891nsw4hc66bf45510gjks6779x";
};
sourceRoot = name;
installPhase = ''
runHook preInstall
mkdir -p $out
cp -a * $out
rm -f $out/bin/jflex.bat
patchShebangs $out
sed -i -e '/^JAVA=java/ s#java#${jre}/bin/java#' $out/bin/jflex
runHook postInstall
'';
doInstallCheck = true;
installCheckPhase = ''
runHook preInstallCheck
$out/bin/jflex --version
runHook postInstallCheck
'';
meta = {
homepage = "https://www.jflex.de/";
description = "Lexical analyzer generator for Java, written in Java";
license = stdenv.lib.licenses.bsd3;
platforms = stdenv.lib.platforms.unix;
};
}
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