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[bug#28045] [PATCH] gnu: Add openfoam

From: Paul Garlick
Subject: [bug#28045] [PATCH] gnu: Add openfoam
Date: Thu, 14 Sep 2017 16:46:21 +0100 
*gnu/packages/patches/openfoam-4.1-cleanup.patch: New file
*gnu/packages/simulation.scm: New file
*gnu/local.mk (GNU_SYSTEM_MODULES): Add module
(dist_patch_DATA): Add patch
---

Hi Ludo,

> I would refrain from using PatchELF, if possible, by just passing
> -Wl,-rpath=DIR at link time, where DIR is the final library directory.

OK, no need for PatchELF.  I used the variable LDFLAGS to pass the extra
arguments to the linker.

A change was needed in the 'wmake/rules/linux64Gcc/c++' file to make use of
the extra variable.

An additional change was needed in the 'wmake/rules/General/CGAL' file to add
an entry for the gmp library (referenced by one binary and one shared library).
The runpath addition for gmp is taken care of by ld-wrapper.

The validate-runpath phase now passes and the build succeeds.

> I really dislike this FOAM_INST_DIR variable

I took another look at this question.  As it turns out, from OpenFOAM
version 4.1 onwards this variable is set automatically.  A user simply sources
the bashrc file, as detailed in the Note, and the correct path is set.  So
we can dispense with this section after all.

Also, I have merged the 'set-environment-variables' phase and the 'build' phase
as there is no need for separate phases.

Paul.

 gnu/local.mk                                    |   2 +
 gnu/packages/patches/openfoam-4.1-cleanup.patch | 243 ++++++++++++++++++++++++
 gnu/packages/simulation.scm                     | 206 ++++++++++++++++++++
 3 files changed, 451 insertions(+)
 create mode 100644 gnu/packages/patches/openfoam-4.1-cleanup.patch
 create mode 100644 gnu/packages/simulation.scm

diff --git a/gnu/local.mk b/gnu/local.mk
index 643a88db8..048f7aa1c 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -363,6 +363,7 @@ GNU_SYSTEM_MODULES =                                \
   %D%/packages/shells.scm                      \
   %D%/packages/shellutils.scm                  \
   %D%/packages/simh.scm                                \
+  %D%/packages/simulation.scm                  \
   %D%/packages/skarnet.scm                     \
   %D%/packages/skribilo.scm                    \
   %D%/packages/slang.scm                       \
@@ -886,6 +887,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/ola-readdir-r.patch                     \
   %D%/packages/patches/openscenegraph-ffmpeg3.patch             \
   %D%/packages/patches/openexr-missing-samples.patch           \
+  %D%/packages/patches/openfoam-4.1-cleanup.patch                      \
   %D%/packages/patches/openjpeg-CVE-2017-12982.patch           \
   %D%/packages/patches/openjpeg-CVE-2017-14040.patch           \
   %D%/packages/patches/openjpeg-CVE-2017-14041.patch           \
diff --git a/gnu/packages/patches/openfoam-4.1-cleanup.patch 
b/gnu/packages/patches/openfoam-4.1-cleanup.patch
new file mode 100644
index 000000000..37effa5c9
--- /dev/null
+++ b/gnu/packages/patches/openfoam-4.1-cleanup.patch
@@ -0,0 +1,243 @@
+# This patch removes all need for the ThirdParty files of OpenFOAM.
+
+# Derived from EasyBuild patch by Ward Poelmans <address@hidden>.
+# Modified for GNU Guix by Paul Garlick <address@hidden>.
+
+diff -ur 
OpenFOAM-4.x-version-4.1.org/applications/utilities/mesh/manipulation/setSet/Allwmake
 
OpenFOAM-4.x-version-4.1/applications/utilities/mesh/manipulation/setSet/Allwmake
+--- 
OpenFOAM-4.x-version-4.1.org/applications/utilities/mesh/manipulation/setSet/Allwmake
++++ 
OpenFOAM-4.x-version-4.1/applications/utilities/mesh/manipulation/setSet/Allwmake
+@@ -9,7 +9,7 @@
+ #
+ # use readline if available
+ #
+-if [ -f /usr/include/readline/readline.h ]
++if true
+ then
+     echo "Found <readline/readline.h>  --  enabling readline support."
+     export COMP_FLAGS="-DHAS_READLINE"
+diff -ur OpenFOAM-4.x-version-4.1.org/etc/bashrc 
OpenFOAM-4.x-version-4.1/etc/bashrc
+--- OpenFOAM-4.x-version-4.1.org/etc/bashrc
++++ OpenFOAM-4.x-version-4.1/etc/bashrc
+@@ -43,8 +43,10 @@
+ # Please set to the appropriate path if the default is not correct.
+ #
+ [ $BASH_SOURCE ] && \
+-export FOAM_INST_DIR=$(cd ${BASH_SOURCE%/*/*/*} && pwd -P) || \
++export FOAM_INST_DIR=$(cd $(dirname $BASH_SOURCE)/../.. && pwd -P) || \
+ export FOAM_INST_DIR=$HOME/$WM_PROJECT
++# For GNU Guix: set initially for build then re-set at runtime
++#
+ # export FOAM_INST_DIR=~$WM_PROJECT
+ # export FOAM_INST_DIR=/opt/$WM_PROJECT
+ # export FOAM_INST_DIR=/usr/local/$WM_PROJECT
+diff -ur OpenFOAM-4.x-version-4.1.org/etc/config.sh/CGAL 
OpenFOAM-4.x-version-4.1/etc/config.sh/CGAL
+--- OpenFOAM-4.x-version-4.1.org/etc/config.sh/CGAL
++++ OpenFOAM-4.x-version-4.1/etc/config.sh/CGAL
+@@ -36,37 +36,7 @@
+ #
+ 
#------------------------------------------------------------------------------
+
+-boost_version=boost-system
+-cgal_version=cgal-system
+-#cgal_version=CGAL-4.8
+-
+-if [ -z "$SOURCE_CGAL_VERSIONS_ONLY" ]
+-then
+-
+-    common_path=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER
+-
+-    export BOOST_ARCH_PATH=$common_path/$boost_version
+-    export CGAL_ARCH_PATH=$common_path/$cgal_version
+-
+-    if [ "$FOAM_VERBOSE" -a "$PS1" ]
+-    then
+-        echo "Using CGAL and boost" 1>&2
+-        echo "    $cgal_version at $CGAL_ARCH_PATH" 1>&2
+-        echo "    $boost_version at $BOOST_ARCH_PATH" 1>&2
+-    fi
+-
+-    if [ -d "$CGAL_ARCH_PATH" -a "$cgal_version" != "cgal-system" ]
+-    then
+-        _foamAddLib $CGAL_ARCH_PATH/lib
+-    fi
+-
+-    if [ -d "$BOOST_ARCH_PATH" -a "$boost_version" != "boost-system" ]
+-    then
+-        _foamAddLib $BOOST_ARCH_PATH/lib
+-    fi
+-
+-    unset boost_version cgal_version common_path
+-
+-fi
++export CGAL_ARCH_PATH=$CGAL_ROOT
++export BOOST_ARCH_PATH=$BOOST_ROOT
+
+ 
#------------------------------------------------------------------------------
+diff -ur OpenFOAM-4.x-version-4.1.org/etc/config.sh/gperftools 
OpenFOAM-4.x-version-4.1/etc/config.sh/gperftools
+--- OpenFOAM-4.x-version-4.1.org/etc/config.sh/gperftools
++++ OpenFOAM-4.x-version-4.1/etc/config.sh/gperftools
+@@ -29,13 +29,5 @@
+ #
+ 
#------------------------------------------------------------------------------
+
+-version=svn
+-gperftools_install=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER
+-
+-GPERFTOOLS_VERSION=gperftools-$version
+-GPERFTOOLS_ARCH_PATH=$gperftools_install/$GPERFTOOLS_VERSION
+-
+-export PATH=$GPERFTOOLS_ARCH_PATH/bin:$PATH
+-export LD_LIBRARY_PATH=$GPERFTOOLS_ARCH_PATH/lib:$LD_LIBRARY_PATH
+
+ 
#------------------------------------------------------------------------------
+diff -ur OpenFOAM-4.x-version-4.1.org/etc/config.sh/metis 
OpenFOAM-4.x-version-4.1/etc/config.sh/metis
+--- OpenFOAM-4.x-version-4.1.org/etc/config.sh/metis
++++ OpenFOAM-4.x-version-4.1/etc/config.sh/metis
+@@ -34,7 +34,7 @@
+ #
+ 
#------------------------------------------------------------------------------
+
+-export METIS_VERSION=metis-5.1.0
+-export 
METIS_ARCH_PATH=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/$METIS_VERSION
++export METIS_VERSION=metis-$METISVERSION
++export METIS_ARCH_PATH=$METIS_ROOT
+
+ 
#------------------------------------------------------------------------------
+diff -ur OpenFOAM-4.x-version-4.1.org/etc/config.sh/scotch 
OpenFOAM-4.x-version-4.1/etc/config.sh/scotch
+--- OpenFOAM-4.x-version-4.1.org/etc/config.sh/scotch
++++ OpenFOAM-4.x-version-4.1/etc/config.sh/scotch
+@@ -37,7 +37,7 @@
+ #
+ 
#------------------------------------------------------------------------------
+
+-export SCOTCH_VERSION=scotch_6.0.3
+-export 
SCOTCH_ARCH_PATH=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/$SCOTCH_VERSION
++export SCOTCH_VERSION=scotch_$SCOTCHVERSION
++export SCOTCH_ARCH_PATH=$SCOTCH_ROOT
+
+ 
#------------------------------------------------------------------------------
+diff -ur OpenFOAM-4.x-version-4.1.org/etc/config.sh/settings 
OpenFOAM-4.x-version-4.1/etc/config.sh/settings
+--- OpenFOAM-4.x-version-4.1.org/etc/config.sh/settings
++++ OpenFOAM-4.x-version-4.1/etc/config.sh/settings
+@@ -279,6 +279,9 @@
+     ;;
+ system)
+     # Use system compiler
++    # Use system GMP and MPFR packages
++    export GMP_ARCH_PATH=$GMP_ROOT
++    export MPFR_ARCH_PATH=$MPFR_ROOT
+     ;;
+ *)
+     echo "Warn: WM_COMPILER_TYPE='$WM_COMPILER_TYPE' is unsupported" 1>&2
+diff -ur 
OpenFOAM-4.x-version-4.1.org/src/parallel/decompose/ptscotchDecomp/Make/options 
OpenFOAM-4.x-version-4.1/src/parallel/decompose/ptscotchDecomp/Make/options
+--- 
OpenFOAM-4.x-version-4.1.org/src/parallel/decompose/ptscotchDecomp/Make/options
++++ OpenFOAM-4.x-version-4.1/src/parallel/decompose/ptscotchDecomp/Make/options
+@@ -5,8 +5,7 @@
+     $(PFLAGS) $(PINC) \
+     -I$(SCOTCH_ROOT)/include \
+     -I$(SCOTCH_ARCH_PATH)/include/$(FOAM_MPI) \
+-    -I/usr/include/scotch \
+     -I../decompositionMethods/lnInclude
+
+ LIB_LIBS = \
+-    -L$(SCOTCH_ROOT)/lib -L$(FOAM_EXT_LIBBIN)/$(FOAM_MPI) -lptscotch 
-lptscotcherrexit -lscotch ${LINK_FLAGS} -lrt
++    -L$(SCOTCH_ROOT)/lib -L$(MPI_ARCH_PATH)/lib -lptscotch -lptscotcherrexit 
-lscotch ${LINK_FLAGS} -lrt
+diff -ur 
OpenFOAM-4.x-version-4.1.org/src/parallel/decompose/scotchDecomp/Make/options 
OpenFOAM-4.x-version-4.1/src/parallel/decompose/scotchDecomp/Make/options
+--- 
OpenFOAM-4.x-version-4.1.org/src/parallel/decompose/scotchDecomp/Make/options
++++ OpenFOAM-4.x-version-4.1/src/parallel/decompose/scotchDecomp/Make/options
+@@ -9,8 +9,7 @@
+     $(PFLAGS) $(PINC) \
+     -I$(SCOTCH_ROOT)/include \
+     -I$(SCOTCH_ARCH_PATH)/include \
+-    -I/usr/include/scotch \
+     -I../decompositionMethods/lnInclude
+
+ LIB_LIBS = \
+-    -L$(SCOTCH_ROOT)/lib -L$(FOAM_EXT_LIBBIN) -lscotch -lscotcherrexit -lrt
++    -L$(SCOTCH_ROOT)/lib -lscotch -lscotcherrexit -lrt
+diff -ur OpenFOAM-4.x-version-4.1.org/wmake/makefiles/general 
OpenFOAM-4.x-version-4.1/wmake/makefiles/general
+--- OpenFOAM-4.x-version-4.1.org/wmake/makefiles/general
++++ OpenFOAM-4.x-version-4.1/wmake/makefiles/general
+@@ -33,7 +33,6 @@
+ # The Makefile uses a POSIX shell
+ 
#------------------------------------------------------------------------------
+ 
+-SHELL           = /bin/sh
+ 
+ 
+ 
#------------------------------------------------------------------------------
+diff -ur OpenFOAM-4.x-version-4.1.org/wmake/wmake 
OpenFOAM-4.x-version-4.1/wmake/wmake
+--- OpenFOAM-4.x-version-4.1.org/wmake/wmake
++++ OpenFOAM-4.x-version-4.1/wmake/wmake
+@@ -163,7 +163,7 @@
+ then
+     if [ "$WM_NCOMPPROCS" -gt 1 -a ! "$MAKEFLAGS" ]
+     then
+-        lockDir=$HOME/.$WM_PROJECT/.wmake
++        lockDir=$(cd $(dirname $BASH_SOURCE)/../.. && pwd 
-P)/.$WM_PROJECT/.wmake
+ 
+         if [ -d $lockDir ]
+         then
+diff -ur OpenFOAM-4.x-version-4.1.org/wmake/wmakeScheduler 
OpenFOAM-4.x-version-4.1/wmake/wmakeScheduler
+--- OpenFOAM-4.x-version-4.1.org/wmake/wmakeScheduler
++++ OpenFOAM-4.x-version-4.1/wmake/wmakeScheduler
+@@ -53,7 +53,7 @@
+ # csh sets HOST, bash sets HOSTNAME
+ : ${HOST:=$HOSTNAME}
+ 
+-lockDir=$HOME/.$WM_PROJECT/.wmake
++lockDir=$(cd $(dirname $BASH_SOURCE)/../.. && pwd -P)/.$WM_PROJECT/.wmake
+ 
+ # Fallback - 1 core on current host
+ : ${WM_HOSTS:=$HOST:1}
+diff -ur OpenFOAM-4.x-version-4.1.org/wmake/wmakeSchedulerUptime 
OpenFOAM-4.x-version-4.1/wmake/wmakeSchedulerUptime
+--- OpenFOAM-4.x-version-4.1.org/wmake/wmakeSchedulerUptime
++++ OpenFOAM-4.x-version-4.1/wmake/wmakeSchedulerUptime
+@@ -53,7 +53,7 @@
+ # csh sets HOST, bash sets HOSTNAME
+ : ${HOST:=$HOSTNAME}
+ 
+-lockDir=$HOME/.$WM_PROJECT/.wmake
++lockDir=$(cd $(dirname $BASH_SOURCE)/../.. && pwd -P)/.$WM_PROJECT/.wmake
+ # Fallback - 1 core on current host
+ : ${WM_HOSTS:=$HOST:1}
+ 
+diff -ur 
OpenFOAM-4.x-version-4.1.org/src/parallel/decompose/metisDecomp/metisDecomp.C 
OpenFOAM-4.x-version-4.1/src/parallel/decompose/metisDecomp/metisDecomp.C
+--- 
OpenFOAM-4.x-version-4.1.org/src/parallel/decompose/metisDecomp/metisDecomp.C
++++ OpenFOAM-4.x-version-4.1/src/parallel/decompose/metisDecomp/metisDecomp.C
+@@ -67,7 +67,7 @@
+ 
+     // Processor weights initialised with no size, only used if specified in
+     // a file
+-    Field<scalar> processorWeights;
++    Field<floatScalar> processorWeights;
+ 
+     // Cell weights (so on the vertices of the dual)
+     List<label> cellWeights;
+diff -ur OpenFOAM-4.x-version-4.1.org/wmake/rules/General/CGAL 
OpenFOAM-4.x-version-4.1/wmake/rules/General/CGAL
+--- OpenFOAM-4.x-version-4.1.org/wmake/rules/General/CGAL
++++ OpenFOAM-4.x-version-4.1/wmake/rules/General/CGAL
+@@ -6,9 +6,10 @@
+     -I/usr/include
+ 
+ CGAL_LIBS = \
+-    -L$(MPFR_ARCH_PATH)/lib$(WM_COMPILER_LIB_ARCH) \
+-    -L$(GMP_ARCH_PATH)/lib$(WM_COMPILER_LIB_ARCH) \
++    -L$(MPFR_ARCH_PATH)/lib \
++    -L$(GMP_ARCH_PATH)/lib \
+     -L$(BOOST_ARCH_PATH)/lib \
+     -L$(CGAL_ARCH_PATH)/lib \
+     -lCGAL \
++    -lgmp \
+     -lmpfr
+diff -ur OpenFOAM-4.x-version-4.1.org/wmake/rules/linux64Gcc/c++ 
OpenFOAM-4.x-version-4.1/wmake/rules/linux64Gcc/c++
+--- OpenFOAM-4.x-version-4.1.org/wmake/rules/linux64Gcc/c++
++++ OpenFOAM-4.x-version-4.1/wmake/rules/linux64Gcc/c++
+@@ -20,5 +20,5 @@
+
+ LINK_LIBS   = $(c++DBUG)
+
+-LINKLIBSO   = $(CC) $(c++FLAGS) -shared -Xlinker --add-needed -Xlinker 
--no-as-needed
+-LINKEXE     = $(CC) $(c++FLAGS) -Xlinker --add-needed -Xlinker --no-as-needed
++LINKLIBSO   = $(CC) $(c++FLAGS) $(LDFLAGS) -shared -Xlinker --add-needed 
-Xlinker --no-as-needed
++LINKEXE     = $(CC) $(c++FLAGS) $(LDFLAGS) -Xlinker --add-needed -Xlinker 
--no-as-needed
diff --git a/gnu/packages/simulation.scm b/gnu/packages/simulation.scm
new file mode 100644
index 000000000..cc80dbb41
--- /dev/null
+++ b/gnu/packages/simulation.scm
@@ -0,0 +1,206 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Paul Garlick <address@hidden>
+;;;
+;;; 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
+       #:phases (modify-phases %standard-phases
+        (add-after 'unpack 'rename-build-directory
+          (lambda _
+            (use-modules (ice-9 ftw))
+            (use-modules (ice-9 regex))
+            (chdir "..")
+            ;; use 'OpenFOAM-version' convention to match pathname 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) ; re-name 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";)))
-- 
2.13.0
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