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


From: Eric Bavier
Subject: [bug#28045] [PATCH] gnu: Add openfoam
Date: Mon, 14 Aug 2017 21:49:25 -0500

Hello Paul,

Thank you for the patch!

I started this response before Marius's reply.  I hope the two do not
overlap too much:


On Fri, 11 Aug 2017 12:06:36 +0100
Paul Garlick <address@hidden> wrote:

> * gnu/packages/simulation.scm: New file

Would this package not fit nicely in gnu/packages/engineering.scm?

> * gnu/packages/patches/openfoam-cleanup.patch: New file

See comments below.

> * gnu/local.mk(GNU_SYSTEM_MODULES): Add module
>               (dist_patch_DATA): Add patch
                ^
ChangeLog conventions would have this opening paren in column 0. 

> ---
>  gnu/local.mk                                |   2 +
>  gnu/packages/patches/openfoam-cleanup.patch | 251 
> ++++++++++++++++++++++++++++
>  gnu/packages/simulation.scm                 | 197 ++++++++++++++++++++++
>  3 files changed, 450 insertions(+)
>  create mode 100644 gnu/packages/patches/openfoam-cleanup.patch
>  create mode 100644 gnu/packages/simulation.scm
> 
> diff --git a/gnu/local.mk b/gnu/local.mk
> index 4b2bdfe37..b00ec1ac7 100644
> --- a/gnu/local.mk
> +++ b/gnu/local.mk
> @@ -357,6 +357,7 @@ 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                     \
> @@ -866,6 +867,7 @@ 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-cleanup.patch                        \
>    %D%/packages/patches/openjpeg-CVE-2016-9850-CVE-2016-9851.patch            
> \
>    %D%/packages/patches/openjpeg-CVE-2016-9572-CVE-2016-9573.patch            
> \
>    %D%/packages/patches/openldap-CVE-2017-9287.patch          \
> diff --git a/gnu/packages/patches/openfoam-cleanup.patch 
> b/gnu/packages/patches/openfoam-cleanup.patch
> new file mode 100644
> index 000000000..b2c0ddcd1
> --- /dev/null
> +++ b/gnu/packages/patches/openfoam-cleanup.patch
> @@ -0,0 +1,251 @@
> +# This patch removes all need for the ThirdParty files of OpenFOAM
> +
> +# Derived from easybuild patch:  Ward Poelmans <address@hidden>
> +# Modified for GNU Guix:  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=$BOOST_ROOT
> +
> + 
> #------------------------------------------------------------------------------
> +diff -ur OpenFOAM-4.x-version-4.1.org/etc/config.sh/gperftools 
> OpenFOAM-4.x-version-4.1/etc/config.sh/gperftools
> +--- OpenFOAM-4.x-version-4.1.org/etc/config.sh/gperftools    2016-10-16 
> 16:11:45.000000000 +0200
> ++++ OpenFOAM-4.x-version-4.1/etc/config.sh/gperftools        2017-04-10 
> 14:51:01.473221230 +0200
> +@@ -29,13 +29,13 @@
> + #
> + 
> #------------------------------------------------------------------------------
> +
> +-version=svn
> +-gperftools_install=$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:$LD_LIBRARY_PATH
> ++# version=svn
> ++# gperftools_install=$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/src/Makefile 
> OpenFOAM-4.x-version-4.1/wmake/src/Makefile
> +--- OpenFOAM-4.x-version-4.1.org/wmake/src/Makefile
> ++++ OpenFOAM-4.x-version-4.1/wmake/src/Makefile
> +@@ -33,7 +33,7 @@
> + # The Makefile use a POSIX shell
> + 
> #------------------------------------------------------------------------------
> + 
> +-SHELL      = /bin/sh
> ++# SHELL      = /bin/sh
> + 
> + 
> #------------------------------------------------------------------------------
> + # Unset suffices list (suffix rules are not used)
> +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 +33,7 @@
> + # The Makefile uses a POSIX shell
> + 
> #------------------------------------------------------------------------------
> + 
> +-SHELL           = /bin/sh
> ++# 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
> +@@ -6,8 +6,8 @@
> +     -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 \
> diff --git a/gnu/packages/simulation.scm b/gnu/packages/simulation.scm
> new file mode 100644
> index 000000000..5aa5f8f03
> --- /dev/null
> +++ b/gnu/packages/simulation.scm
> @@ -0,0 +1,197 @@
> +;;; 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-replace-substring version "." "-")))

We have a couple other packages that use string-replace-substring, but
I personally think it's overkill for single-character replacements like
this.

FWIW:

scheme@(guile-user)> ,time
  (let loop ((i 10000000)) 
    (when (> i 0)
      (string-replace-substring version "." "-")
      (loop (- i 1)))))
;; 12.317051s real time, 16.041830s run time.  5.452976s spent in GC.
scheme@(guile-user)> ,time
  (let loop ((i 10000000))
    (when (> i 0)
      (string-map (lambda (x) (if (eq? x #\.) #\- x)) version)
      (loop (- i 1)))))
;; 3.586351s real time, 4.464542s run time.  1.285729s spent in GC.

> +      (file-name (string-append name "-" version ".tar.gz"))
> +      (sha256
> +       (base32 "1hgh2kw7fqv4bfachhbjhw16v8j35jbv6s576fmz4ka2q4ks4wg3"))
> +      (patches (search-patches "openfoam-cleanup.patch"))
> +      (modules '((guix build utils)))))

The modules field is not needed AFAICT.  Usually only when a 'snippet'
is used.

> +    (build-system gnu-build-system)
> +    (native-inputs
> +     `(("bison" ,bison)))
> +    (propagated-inputs
> +     `(("boost" ,boost)
> +       ("cgal" ,cgal)
> +       ("flex" ,flex)
> +       ("git" ,git)
> +       ("gmp" ,gmp)
> +       ("gzip" ,gzip)
> +       ("gnuplot" ,gnuplot)
> +       ("libxt" ,libxt)
> +       ("metis" ,metis)
> +       ("mpfr" ,mpfr)
> +       ("ncurses" ,ncurses)
> +       ("openmpi" ,openmpi)
> +       ("readline" ,readline)
> +       ("scotch" ,pt-scotch)
> +       ("zlib" ,zlib)))
> +    (arguments
> +     `(;; executable files and shared libraries are located in the 
> 'platforms'
> +       ;; subdirectory
> +       #:strip-directories (list (string-append
> +                                  "OpenFOAM-" ,version
> +                                  "/platforms/linux64GccDPInt32Opt/bin")
> +                                 (string-append
> +                                  "OpenFOAM-" ,version
> +                                  "/platforms/linux64GccDPInt32Opt/lib"))
> +       ;; '#:elf-directories' is not recognised here so skip validation phase
> +       #:validate-runpath? #f
> +       #: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 path 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)))
> +             ;; re-name build directory
> +             (rename-file unpack-dir build-dir)
> +             ;; move to build directory
> +             (chdir (basename build-dir)))))
> +        (add-after 'patch-source-shebangs 'set-environment-variables
> +          (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))))
> +        (delete 'configure) ; no configure phase
> +        (delete 'patch-generated-file-shebangs) ; no generated files
> +        (replace 'build
> +          (lambda _
> +            ;; 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
> +            (zero? (system (format #f "sed -i 's|~a|'~:*~s'|' ~a"
> +                       "$CGAL_ROOT" "etc/config.sh/CGAL")))
> +            (zero? (system (format #f "sed -i 's|~a|'~:*~s'|' ~a"
> +                       "$BOOST_ROOT" "etc/config.sh/CGAL")))
> +            (zero? (system (format #f "sed -i 's|~a|'~:*~s'|' ~a"
> +                       "$METIS_ROOT" "etc/config.sh/metis")))
> +            (zero? (system (format #f "sed -i 's|~a|'~:*~s'|' ~a"
> +                       "$METISVERSION" "etc/config.sh/metis")))
> +            (zero? (system (format #f "sed -i 's|~a|'~:*~s'|' ~a"
> +                       "$SCOTCH_ROOT" "etc/config.sh/scotch")))
> +            (zero? (system (format #f "sed -i 's|~a|'~:*~s'|' ~a"
> +                       "$SCOTCHVERSION" "etc/config.sh/scotch")))
> +            (zero? (system (format #f "sed -i 's|~a|'~:*~s'|' ~a"
> +                       "$GMP_ROOT" "etc/config.sh/settings")))
> +            (zero? (system (format #f "sed -i 's|~a|'~:*~s'|' ~a"
> +                       "$MPFR_ROOT" "etc/config.sh/settings")))))

Prefer "substitute*" here instead of calling 'sed'.

> +        (delete 'check) ; no tests to run
> +        (replace 'install
> +          (lambda _
> +            ;; use 'OpenFOAM-version' convention
> +            (let ((install-dir (string-append
> +                                %output "/OpenFOAM-" ,version)))
> +              ;; create install directory
> +              (mkdir-p install-dir)
> +              ;; move contents of build directory to install directory
> +              (copy-recursively "." install-dir)))))))
> +        ;; 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/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
> +    (native-search-paths
> +     ;; define the FOAM_INST_DIR variable
> +     (list (search-path-specification
> +            (variable "FOAM_INST_DIR")
> +            (files '(".")))))
> +    (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++.  Complex 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.
> +
> +OpenFOAM implements the Finite Volume Method for discretizing the spacial
> +dimensions.  Computational grids defining geometries in two- and 
> +three-dimensional domains may be generated by the included blockMesh and
> +snappyHexMesh routines or imported from external grid-generation packages.
> +Grids may be unstructured in layout and may contain any combination of
> +polyhedral cells.  Large problems may be split into smaller, connected
> +problems for efficient solution on parallel systems")

This description is a bit long.  Could it be condensed?  E.g. I think
the second paragraph is not necessary here.

> +    (license license:gpl3+)
> +    (home-page "https://openfoam.org";)))

Could you send an updated patch addressing these and Marius's concerns?

Thanks,
`~Eric





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