Marius Bakke (2016-08-14 22:52 +0300) wrote: Hello and welcome!
> From 5e30eff1cf24b236a78cc5abed870992e84f443f Mon Sep 17 00:00:00 2001 > From: Marius Bakke <mba...@fastmail.com> > Date: Sat, 13 Aug 2016 11:26:10 +0100 > Subject: [PATCH] gnu: Add dlib. [...] > +(define-public dlib > + (package > + (name "dlib") > + (version "19.1") > + (source (origin > + (method url-fetch) > + (uri (string-append > + "http://dlib.net/files/dlib-" version ".tar.bz2")) > + (sha256 > + (base32 > + "0p2pvcdalc6jhb6r99ybvjd9x74sclr0ngswdg9j2xl5pj7knbr4")) > + (modules '((guix build utils))) > + (snippet > + '(begin > + ;; Delete ~13MB of bundled dependencies. > + (delete-file-recursively "dlib/external") > + (delete-file-recursively "docs/dlib/external"))))) > + (build-system cmake-build-system) > + (arguments > + `(#:phases > + (let ((test-dir (string-append "../dlib-" ,version > "/dlib/test/build"))) I think it's better to move this 'let' inside the phase: ... > + (modify-phases %standard-phases > + (replace 'check > + ;; No test target, so we build and run the unit tests here. > + (lambda _ ... here. > + (mkdir-p test-dir) > + (with-directory-excursion test-dir > + (zero? (system* "cmake" "..")) > + (zero? (system* "cmake" "--build" "." "--config" "Release")) > + (zero? (system* "./dtest" "--runall"))))))))) There is no point in the first 2 'zero?' calls as their returning values will be lost, rather: (and (zero? (system* "cmake" "..")) (zero? (system* "cmake" "--build" "." "--config" "Release")) (zero? (system* "./dtest" "--runall"))) > + (native-inputs > + `(("pkg-config" ,pkg-config))) > + (inputs > + `(("lapack" ,lapack) > + ("libjpeg" ,libjpeg) > + ("libpng" ,libpng) > + ("libx11" ,libx11) > + ("openblas" ,openblas) > + ("zlib" ,zlib))) > + (synopsis "Toolkit for making machine learning and data analysis > applications in C++") > + (description > + "Dlib is a modern C++ toolkit containing machine learning algorithms > and tools. It > +is used in both industry and academia in a wide range of domains including > robotics, > +embedded devices, mobile phones, and large high performance computing > environments.") As for me, the above lines (in synopsis and description) are too long, I would stay inside 72-78 columns. > + (home-page "http://dlib.net") > + (license license:boost1.0))) Otherwise, the patch looks good to me, so if Leo or other people don't have comments, I think it can be committed. -- Alex