{lib, stdenv, fetchurl}: stdenv.mkDerivation rec { pname = "libsvm"; version = "3.25"; src = fetchurl { url = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/libsvm-${version}.tar.gz"; sha256 = "sha256-UjUOiqdAsXbh13Pp3AjxNAIYw34BvsN6uQ2wEn5LteU="; }; buildPhase = '' make make lib ''; installPhase = let libSuff = stdenv.hostPlatform.extensions.sharedLibrary; in '' install -D libsvm.so.2 $out/lib/libsvm.2${libSuff} ln -s $out/lib/libsvm.2${libSuff} $out/lib/libsvm${libSuff} install -Dt $out/bin/ svm-scale svm-train svm-predict install -Dm644 -t $out/include svm.h mkdir $out/include/libsvm ln -s $out/include/svm.h $out/include/libsvm/svm.h ''; postFixup = lib.optionalString stdenv.isDarwin '' install_name_tool -id libsvm.2.dylib $out/lib/libsvm.2.dylib; ''; meta = with lib; { description = "A library for support vector machines"; homepage = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/"; license = licenses.bsd3; maintainers = [ maintainers.spwhitt ]; platforms = platforms.unix; }; }