tjh.dev
Clone of https://github.com/NixOS/nixpkgs.git (to stress-test knotserver)
1{
2 lib,
3 stdenv,
4 fetchurl,
5 tk,
6}:
7
8stdenv.mkDerivation rec {
9 pname = "gocr";
10 version = "0.52";
11
12 src = fetchurl {
13 url = "https://www-e.uni-magdeburg.de/jschulen/ocr/gocr-${version}.tar.gz";
14 sha256 = "11l6gds1lrm8lwrrsxnm5fjlwz8q1xbh896cprrl4psz21in946z";
15 };
16
17 buildFlags = [
18 "all"
19 "libs"
20 ];
21 installFlags = [ "libdir=/lib/" ]; # Specify libdir so Makefile will also install library.
22
23 preInstall = "mkdir -p $out/lib";
24
25 postInstall = ''
26 for i in pgm2asc.h gocr.h; do
27 install -D -m644 src/$i $out/include/gocr/$i
28 done
29 '';
30
31 preFixup = ''
32 sed -i -e 's|exec wish|exec ${tk}/bin/wish|' $out/bin/gocr.tcl
33 '';
34
35 meta = {
36 homepage = "https://jocr.sourceforge.net/";
37 description = "GPL Optical Character Recognition";
38 license = lib.licenses.gpl2;
39 platforms = lib.platforms.linux;
40 };
41}