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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Paul Garlick <pgarlick@tourbillion-technology.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages simulation)
+ #:use-module (gnu packages)
+ #:use-module (gnu packages base)
+ #:use-module (gnu packages bash)
+ #:use-module (gnu packages bison)
+ #:use-module (gnu packages boost)
+ #:use-module (gnu packages compression)
+ #:use-module (gnu packages flex)
+ #:use-module (gnu packages gettext)
+ #:use-module (gnu packages gcc)
+ #:use-module (gnu packages gl)
+ #:use-module (gnu packages graphics)
+ #:use-module (gnu packages gtk)
+ #:use-module (gnu packages linux)
+ #:use-module (gnu packages m4)
+ #:use-module (gnu packages maths)
+ #:use-module (gnu packages mpi)
+ #:use-module (gnu packages multiprecision)
+ #:use-module (gnu packages ncurses)
+ #:use-module (gnu packages readline)
+ #:use-module (gnu packages tls)
+ #:use-module (gnu packages version-control)
+ #:use-module (gnu packages xml)
+ #:use-module (gnu packages xorg)
+ #:use-module (guix download)
+ #:use-module (guix build utils)
+ #:use-module (guix build-system gnu)
+ #:use-module ((guix licenses) #:prefix license:)
+ #:use-module (guix packages)
+ #:use-module (guix utils)
+ #:use-module (ice-9 ftw)
+ #:use-module (ice-9 regex)
+ #:use-module (srfi srfi-1))
+
+(define-public openfoam
+ (package
+ (name "openfoam")
+ (version "4.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "http://dl.openfoam.org/source/"
+ (string-map (lambda (x) (if (eq? x #\.) #\- x)) version)))
+ (file-name (string-append name "-" version ".tar.gz"))
+ (sha256
+ (base32 "0cgxh4h2hf50qbvvdg5miwc2nympb0nrv3md96vb3gbs9vk8vq9d"))
+ (patches (search-patches "openfoam-4.1-cleanup.patch"))))
+ (build-system gnu-build-system)
+ (inputs
+ `(("boost" ,boost)
+ ("cgal" ,cgal)
+ ("flex" ,flex)
+ ("git" ,git)
+ ("gmp" ,gmp)
+ ("libxt" ,libxt)
+ ("metis" ,metis)
+ ("mpfr" ,mpfr)
+ ("ncurses" ,ncurses)
+ ("readline" ,readline)
+ ("scotch" ,pt-scotch32)
+ ("zlib" ,zlib)))
+ (native-inputs
+ `(("bison" ,bison)))
+ (propagated-inputs
+ `(("gzip" ,gzip)
+ ("gnuplot" ,gnuplot)
+ ("openmpi" ,openmpi)))
+ (arguments
+ `( ;; Executable files and shared libraries are located in the 'platforms'
+ ;; subdirectory.
+ #:strip-directories (list (string-append
+ "lib/OpenFOAM-" ,version
+ "/platforms/linux64GccDPInt32Opt/bin")
+ (string-append
+ "lib/OpenFOAM-" ,version
+ "/platforms/linux64GccDPInt32Opt/lib"))
+ #:tests? #f ; no tests to run
+
+ #:modules ((ice-9 ftw)
+ (ice-9 regex)
+ (guix build gnu-build-system)
+ (guix build utils))
+
+ #:phases (modify-phases %standard-phases
+ (add-after 'unpack 'rename-build-directory
+ (lambda _
+ (chdir "..")
+ ;; Use 'OpenFOAM-version' convention to match the file
+ ;; name expectations in the build phase.
+ (let ((unpack-dir (string-append
+ (getcwd) "/"
+ (list-ref (scandir (getcwd) (lambda (name)
+ (string-match "^OpenFOAM" name))) 0)))
+ (build-dir (string-append
+ (getcwd) "/OpenFOAM-" ,version)))
+ (rename-file unpack-dir build-dir) ; rename build directory
+ (chdir (basename build-dir))) ; move to build directory
+ #t))
+ (delete 'configure) ; no configure phase
+ (replace 'build
+ (lambda _
+ (let ((libraries '("boost" "cgal" "gmp" "metis" "mpfr" "scotch")))
+ ;; set variables to define store paths
+ (for-each (lambda (library)
+ (setenv (string-append
+ (string-upcase library) "_ROOT")
+ (assoc-ref %build-inputs library))) libraries))
+ ;; set variables to define package versions
+ (setenv "SCOTCHVERSION" ,(package-version scotch))
+ (setenv "METISVERSION" ,(package-version metis))
+ ;; set variable to pass extra 'rpath' arguments to linker
+ (setenv "LDFLAGS"
+ (string-append
+ "-Wl,"
+ "-rpath=" %output "/lib/OpenFOAM-" ,version
+ "/platforms/linux64GccDPInt32Opt/lib,"
+ "-rpath=" %output "/lib/OpenFOAM-" ,version
+ "/platforms/linux64GccDPInt32Opt/lib/dummy"))
+ ;; compile OpenFOAM libraries and applications
+ (zero? (system (format #f
+ "source ./etc/bashrc && ./Allwmake -j~a"
+ (parallel-job-count))))))
+ (add-after 'build 'update-configuration-files
+ (lambda _
+ ;; record store paths and package versions in
+ ;; configuration files
+ (substitute* "etc/config.sh/CGAL"
+ (("$BOOST_ROOT") (getenv "BOOST_ROOT")))
+ (substitute* "etc/config.sh/CGAL"
+ (("$CGAL_ROOT") (getenv "CGAL_ROOT")))
+ (substitute* "etc/config.sh/metis"
+ (("$METIS_ROOT") (getenv "METIS_ROOT")))
+ (substitute* "etc/config.sh/metis"
+ (("$METISVERSION") (getenv "METISVERSION")))
+ (substitute* "etc/config.sh/scotch"
+ (("$SCOTCH_ROOT") (getenv "SCOTCH_ROOT")))
+ (substitute* "etc/config.sh/scotch"
+ (("$SCOTCHVERSION") (getenv "SCOTCHVERSION")))
+ (substitute* "etc/config.sh/settings"
+ (("$GMP_ROOT") (getenv "GMP_ROOT")))
+ (substitute* "etc/config.sh/settings"
+ (("$MPFR_ROOT") (getenv "MPFR_ROOT")))
+ ;; reset lockDir variable to refer to write-enabled
+ ;; directory
+ (substitute* "wmake/wmake"
+ ((" lockDir=.*$")
+ " lockDir=$HOME/.$WM_PROJECT/.wmake\n"))
+ (substitute* "wmake/wmakeScheduler"
+ (("lockDir=.*$")
+ "lockDir=$HOME/.$WM_PROJECT/.wmake\n"))
+ (substitute* "wmake/wmakeSchedulerUptime"
+ (("lockDir=.*$")
+ "lockDir=$HOME/.$WM_PROJECT/.wmake\n"))
+ #t))
+ (replace 'install
+ (lambda _
+ ;; use 'OpenFOAM-version' convention
+ (let ((install-dir (string-append
+ %output "/lib/OpenFOAM-" ,version)))
+ (mkdir-p install-dir) ; create install directory
+ ;; move contents of build directory to install directory
+ (copy-recursively "." install-dir))))
+ (add-after 'install 'add-symbolic-link
+ (lambda _
+ ;; add symbolic link for standard 'bin' directory
+ (symlink
+ (string-append "./lib/OpenFOAM-" ,version
+ "/platforms/linux64GccDPInt32Opt/bin")
+ (string-append %output "/bin"))
+ #t)))))
+ ;; Note:
+ ;; Tutorial files are installed read-only in /gnu/store.
+ ;; To allow write permissions on files copied from the store a
+ ;; 'chmod' step is needed before running the applications. For
+ ;; example, from a user's login:
+ ;; $ source $GUIX_PROFILE/lib/OpenFOAM-4.1/etc/bashrc
+ ;; $ mkdir -p $FOAM_RUN
+ ;; $ cd $FOAM_RUN
+ ;; $ cp -r $FOAM_TUTORIALS/incompressible/simpleFoam/pitzdaily .
+ ;; $ cd pitzdaily
+ ;; $ chmod -R u+w .
+ ;; $ blockMesh
+ (synopsis "Framework for numerical simulation of fluid flow")
+ (description "OpenFOAM provides a set of solvers and methods for tackling
+problems in the field of Computational Fluid Dynamics (CFD). It is written in
+C++. Governing equations such as the Navier-Stokes equations can be solved in
+integral form. Physical processes such as phase change, droplet transport and
+chemical reaction can be modelled. Numerical methods are included to deal with
+sharp gradients, such as those encountered in flows with shock waves and flows
+with gas/liquid interfaces. Large problems may be split into smaller, connected
+problems for efficient solution on parallel systems")
+ (license license:gpl3+)
+ (home-page "https://openfoam.org")))
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