tjh.dev
1{
2 lib,
3 stdenv,
4 fetchurl,
5 fixDarwinDylibNames,
6 llvmPackages,
7 withOpenMP ? true,
8}:
9
10stdenv.mkDerivation rec {
11 pname = "libsvm";
12 version = "3.33";
13
14 src = fetchurl {
15 url = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/libsvm-${version}.tar.gz";
16 sha256 = "sha256-1doSzMPQ7thFP732+sfZ8AUvPopfB6IXTk7wqdg9zfg=";
17 };
18
19 patches = lib.optionals withOpenMP [ ./openmp.patch ];
20
21 buildInputs = lib.optionals (stdenv.cc.isClang && withOpenMP) [ llvmPackages.openmp ];
22
23 buildFlags = [
24 "lib"
25 "all"
26 ];
27
28 outputs = [
29 "out"
30 "bin"
31 "dev"
32 ];
33
34 nativeBuildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ fixDarwinDylibNames ];
35
36 installPhase =
37 let
38 libSuff = stdenv.hostPlatform.extensions.sharedLibrary;
39 soVersion = "3";
40 libName =
41 if stdenv.hostPlatform.isDarwin then
42 "libsvm.${soVersion}${libSuff}"
43 else
44 "libsvm${libSuff}.${soVersion}";
45 in
46 ''
47 runHook preInstall
48
49 install -D libsvm.so.${soVersion} $out/lib/${libName}
50 ln -s $out/lib/${libName} $out/lib/libsvm${libSuff}
51
52 install -Dt $bin/bin/ svm-scale svm-train svm-predict
53
54 install -Dm644 -t $dev/include svm.h
55 mkdir $dev/include/libsvm
56 ln -s $dev/include/svm.h $dev/include/libsvm/svm.h
57
58 runHook postInstall
59 '';
60
61 meta = with lib; {
62 description = "Library for support vector machines";
63 homepage = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/";
64 license = licenses.bsd3;
65 maintainers = [ ];
66 platforms = platforms.unix;
67 };
68}