gienah      15/01/25 13:08:28

  Modified:             isabelle-2013-r1.ebuild ChangeLog
  Added:                isabelle-2013.2.ebuild
  Log:
  Bump isabelle to 2013.2. Fix Bug 536324 - sci-mathematics/isabelle: Slot 
dependencies for java packages. Add upper range dependency 
<dev-lang/scala-2.11.1 to 2013-r1.
  
  (Portage version: 2.2.15/cvs/Linux x86_64, signed Manifest commit with key 
618E971F)

Revision  Changes    Path
1.2                  sci-mathematics/isabelle/isabelle-2013-r1.ebuild

file : 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sci-mathematics/isabelle/isabelle-2013-r1.ebuild?rev=1.2&view=markup
plain: 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sci-mathematics/isabelle/isabelle-2013-r1.ebuild?rev=1.2&content-type=text/plain
diff : 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sci-mathematics/isabelle/isabelle-2013-r1.ebuild?r1=1.1&r2=1.2

Index: isabelle-2013-r1.ebuild
===================================================================
RCS file: 
/var/cvsroot/gentoo-x86/sci-mathematics/isabelle/isabelle-2013-r1.ebuild,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- isabelle-2013-r1.ebuild     7 Jan 2014 13:36:33 -0000       1.1
+++ isabelle-2013-r1.ebuild     25 Jan 2015 13:08:28 -0000      1.2
@@ -1,6 +1,6 @@
-# Copyright 1999-2014 Gentoo Foundation
+# Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: 
/var/cvsroot/gentoo-x86/sci-mathematics/isabelle/isabelle-2013-r1.ebuild,v 1.1 
2014/01/07 13:36:33 tomwij Exp $
+# $Header: 
/var/cvsroot/gentoo-x86/sci-mathematics/isabelle/isabelle-2013-r1.ebuild,v 1.2 
2015/01/25 13:08:28 gienah Exp $
 
 EAPI="5"
 
@@ -37,10 +37,10 @@
 #bash 2.x/3.x, Poly/ML 5.x, Perl 5.x,
 #for document preparation: complete LaTeX
 DEPEND=">=app-shells/bash-3.0
-       dev-java/ant-core
-       >=dev-java/jcommon-1.0.18
-       >=dev-java/jfreechart-1.0.14
-       >=dev-java/itext-2.1.5
+       dev-java/ant-core:0
+       >=dev-java/jcommon-1.0.18:1.0
+       >=dev-java/jfreechart-1.0.14:1.0
+       >=dev-java/itext-2.1.5:0
        dev-java/xml-xmlbeans:1
        >=dev-lang/ghc-7.6.3
        >=dev-lang/polyml-5.5.0:=[-portable]
@@ -51,7 +51,7 @@
                virtual/latex-base
                dev-tex/rail
        )
-       >=dev-lang/scala-2.10.2
+       >=dev-lang/scala-2.10.2 <dev-lang/scala-2.11.1
        ledit? (
                app-misc/ledit
        )



1.12                 sci-mathematics/isabelle/ChangeLog

file : 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sci-mathematics/isabelle/ChangeLog?rev=1.12&view=markup
plain: 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sci-mathematics/isabelle/ChangeLog?rev=1.12&content-type=text/plain
diff : 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sci-mathematics/isabelle/ChangeLog?r1=1.11&r2=1.12

Index: ChangeLog
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sci-mathematics/isabelle/ChangeLog,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- ChangeLog   7 Jan 2014 13:36:33 -0000       1.11
+++ ChangeLog   25 Jan 2015 13:08:28 -0000      1.12
@@ -1,6 +1,16 @@
 # ChangeLog for sci-mathematics/isabelle
-# Copyright 1999-2014 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sci-mathematics/isabelle/ChangeLog,v 1.11 
2014/01/07 13:36:33 tomwij Exp $
+# Copyright 1999-2015 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/sci-mathematics/isabelle/ChangeLog,v 1.12 
2015/01/25 13:08:28 gienah Exp $
+
+*isabelle-2013.2 (25 Jan 2015)
+
+  25 Jan 2015; Mark Wright <[email protected]>
+  +files/isabelle-2013.2-HOL-Predicate_Compile_Examples.patch,
+  +files/isabelle-2013.2-classpath.patch, +isabelle-2013.2.ebuild,
+  isabelle-2013-r1.ebuild:
+  Bump isabelle to 2013.2. Fix Bug 536324 - sci-mathematics/isabelle: Slot
+  dependencies for java packages. Add upper range dependency <dev-
+  lang/scala-2.11.1 to 2013-r1.
 
 *isabelle-2012-r1 (07 Jan 2014)
 *isabelle-2013-r1 (07 Jan 2014)



1.1                  sci-mathematics/isabelle/isabelle-2013.2.ebuild

file : 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sci-mathematics/isabelle/isabelle-2013.2.ebuild?rev=1.1&view=markup
plain: 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sci-mathematics/isabelle/isabelle-2013.2.ebuild?rev=1.1&content-type=text/plain

Index: isabelle-2013.2.ebuild
===================================================================
# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: 
/var/cvsroot/gentoo-x86/sci-mathematics/isabelle/isabelle-2013.2.ebuild,v 1.1 
2015/01/25 13:08:28 gienah Exp $

EAPI="5"

inherit eutils java-pkg-2 multilib versionator

MY_PN="Isabelle"
MY_PV=$(replace_all_version_separators '-')
MY_P="${MY_PN}${MY_PV}"

JEDIT_PV="20131106"
JEDIT_PN="jedit_build"
JEDIT_P="${JEDIT_PN}-${JEDIT_PV}"
JEDIT_IC_PN="${JEDIT_PN}-isabelle-component"
JEDIT_IC_P="${JEDIT_IC_PN}-${JEDIT_PV}"

JFREECHART_PV="1.0.14-1"
JFREECHART_PN="jfreechart"
JFREECHART_P="${JFREECHART_PN}-${JFREECHART_PV}"
JFREECHART_IC_PN="${JFREECHART_PN}-isabelle-component"
JFREECHART_IC_P="${JFREECHART_IC_PN}-${JFREECHART_PV}"

POLYML_PV="5.5.1-1"
POLYML_PN="polyml"
POLYML_P="${POLYML_PN}-${POLYML_PV}"
POLYML_IC_PN="${POLYML_PN}-isabelle-component"
POLYML_IC_P="${POLYML_IC_PN}-${POLYML_PV}"

DESCRIPTION="Isabelle is a generic proof assistant"
HOMEPAGE="http://www.cl.cam.ac.uk/research/hvg/Isabelle/index.html";
SRC_URI="http://isabelle.in.tum.de/dist/${MY_P}.tar.gz
                http://isabelle.in.tum.de/components/${JEDIT_P}.tar.gz -> 
${JEDIT_IC_P}.tar.gz
                http://isabelle.in.tum.de/dist/contrib/${JFREECHART_P}.tar.gz 
-> ${JFREECHART_IC_P}.tar.gz
                http://dev.gentoo.org/~gienah/snapshots/${POLYML_IC_P}.tar.gz";

LICENSE="BSD"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~x86"
IUSE="doc graphbrowsing ledit readline proofgeneral"

#upstream says
#bash 2.x/3.x, Poly/ML 5.x, Perl 5.x,
#for document preparation: complete LaTeX
DEPEND=">=app-shells/bash-3.0
        dev-java/ant-core:0
        >=dev-java/jcommon-1.0.18:1.0
        >=dev-java/jfreechart-1.0.14:1.0
        >=dev-java/itext-2.1.5:0
        dev-java/xml-xmlbeans:1
        dev-java/xz-java:0
        >=dev-lang/ghc-7.6.3
        >=dev-lang/polyml-5.5.1:=[-portable]
        >=dev-lang/perl-5.8.8-r2
        dev-lang/swi-prolog
        virtual/jdk:1.7
        doc? (
                virtual/latex-base
                dev-tex/rail
        )
        >=dev-lang/scala-2.11.1
        ledit? (
                app-misc/ledit
        )
        readline? (
                app-misc/rlwrap
        )"

RDEPEND="dev-perl/libwww-perl
        sci-mathematics/sha1-polyml
        >=virtual/jre-1.7
        proofgeneral? (
                >=app-emacs/proofgeneral-4.1
        )
        ${DEPEND}"

S="${WORKDIR}"/Isabelle${MY_PV}
JEDIT_S="${WORKDIR}/${JEDIT_P}"
JFREECHART_S="${WORKDIR}/${JFREECHART_P}"
TARGETDIR="/usr/share/Isabelle"${MY_PV}
LIBDIR="/usr/"$(get_libdir)"/Isabelle"${MY_PV}

# Notes on QA warnings: * Class files not found via DEPEND in package.env
# Stuff with $ in the name appear to be spurious:
# isabelle/Markup_Tree$$anonfun$results$1$1.class
# 
scala/tools/nsc/backend/jvm/GenJVM$BytecodeGenerator$$anonfun$computeLocalVarsIndex$1.class
# It wants javafx, I am unsure how to fix this. I test isabelle with the Sun 
JDK:
# javafx/application/Platform.class               javafx
# Presumably the user can provide the jEdit plugins if they are necessary:
# marker/MarkerSetsPlugin.class                   
http://plugins.jedit.org/plugins/?MarkerSets
# projectviewer/gui/OptionPaneBase.class          
http://plugins.jedit.org/plugins/?ProjectViewer

LIBRARY_PKGS="ant-core,itext,jcommon-1.0,jfreechart-1.0,scala,xml-xmlbeans-1,xz-java"

src_unpack() {
        unpack "${MY_P}.tar.gz"
        pushd "${S}/contrib" || die
        unpack ${JEDIT_IC_P}.tar.gz
        unpack ${JFREECHART_IC_P}.tar.gz
        unpack ${POLYML_IC_P}.tar.gz
}

pkg_setup() {
        java-pkg-2_pkg_setup
}

src_prepare() {
        java-pkg-2_src_prepare
        java-pkg_getjars ${LIBRARY_PKGS}
        epatch "${FILESDIR}/${PN}-2013-gentoo-settings.patch"
        epatch "${FILESDIR}/${PN}-2013.2-classpath.patch"
        polymlver=$(poly -v | cut -d' ' -f2)
        polymlarch=$(poly -v | cut -d' ' -f9 | cut -d'-' -f1)
        sed -e "[email protected]@${polymlver}@g" \
                -i "${S}/etc/settings" \
                || die "Could not configure polyml version in etc/settings"
        sed -e "s@ML_HOME=\"/@ML_HOME=\"${ROOT}@" \
                -i "${S}/etc/settings" \
                || die "Could not configure polyml ML_HOME in etc/settings"
        sed -e "s@x86_64@${polymlarch}@g" \
                -i "${S}/etc/settings" \
                || die "Could not configure polyml arch in etc/settings"
        sed -e "s@PROOFGENERAL_HOME=\"/@PROOFGENERAL_HOME=\"${ROOT}@" \
                -i "${S}/etc/settings" \
                || die "Could not configure PROOFGENERAL_HOME in etc/settings"
        sed -e "s@/usr/lib64/Isabelle${MY_PV}@${LIBDIR}@g" \
                -i "${S}/etc/settings" \
                || die "Could not configure Isabelle lib directory in 
etc/settings"
        epatch "${FILESDIR}/${PN}-2012-graphbrowser.patch"
        epatch "${FILESDIR}/${PN}-2012-libsha1.patch"
        # this example fails to compile with swi-prolog 6.5.2, so patch it so 
that
        # Isabelle will build, then reverse the patch so that the user can see 
the
        # original code.
        epatch "${FILESDIR}/${PN}-2013.2-HOL-Predicate_Compile_Examples.patch"
        cat <<- EOF >> "${S}/etc/settings"

                ISABELLE_GHC="${ROOT}usr/bin/ghc"
                ISABELLE_OCAML="${ROOT}usr/bin/ocaml"
                ISABELLE_SWIPL="${ROOT}usr/bin/swipl"
                ISABELLE_JDK_HOME="\$(java-config --jdk-home)"
                SCALA_HOME="${ROOT}usr/share/scala"
                SHA1_HOME="/usr/$(get_libdir)/sha1-polyml"
        EOF
        cat <<- EOF >> "${S}/etc/components"
                #bundled components
                contrib/${JEDIT_P}
                contrib/${JFREECHART_P}
                contrib/${POLYML_P}
        EOF
        if use ledit && ! use readline; then
                epatch "${FILESDIR}/${PN}-2012-reverse-line-editor-order.patch"
        fi
        rm -f "${S}/contrib/jfreechart-1.0.14-1/lib/iText-2.1.5.jar" \
                "${S}/contrib/jfreechart-1.0.14-1/lib/jfreechart-1.0.14.jar" \
                "${S}/contrib/jfreechart-1.0.14-1/lib/jcommon-1.0.18.jar" \
                "${S}/lib/classes/ext/scala-actors.jar" \
                "${S}/lib/classes/ext/scala-compiler.jar" \
                "${S}/lib/classes/ext/scala-library.jar" \
                "${S}/lib/classes/ext/scala-reflect.jar" \
                "${S}/lib/classes/ext/scala-swing.jar" \
                || die "Could not rm bundled jar files supplied by Gentoo"
}

src_compile() {
        einfo "Building Isabelle. This may take some time."
        ./bin/isabelle build -a -b -s -v || die "isabelle build failed"
        epatch --reverse 
"${FILESDIR}/${PN}-2013.2-HOL-Predicate_Compile_Examples.patch"
        if use graphbrowsing
        then
                rm -f "${S}/lib/browser/GraphBrowser.jar" \
                        || die "failed cleaning graph browser directory"
                pushd "${S}/lib/browser" \
                        || die "Could not change directory to lib/browser"
                ./build || die "failed building the graph browser"
                popd
        fi
        ./bin/isabelle jedit -b -f || die "pide build failed"
}

src_install() {
        insinto ${TARGETDIR}
        doins -r src
        doins -r lib
        doins -r contrib
        doins ROOTS

        docompress -x /usr/share/doc/${PF}
        dodoc -r doc
        if use doc; then
                dosym /usr/share/doc/${PF}/doc "${TARGETDIR}/doc"
                # The build of sci-mathematics/haskabelle with use doc requires
                # sci-mathematics/isabelle[doc?]. The haskabelle doc build 
requires
                # the src/Doc directory stuff in the isabelle package.
                doins -r src/Doc
                for i in "./src/Doc/Classes/document/build" \
                        "./src/Doc/Codegen/document/build" \
                        "./src/Doc/Datatypes/document/build" \
                        "./src/Doc/fixbookmarks" \
                        "./src/Doc/Functions/document/build" \
                        "./src/Doc/Intro/document/build" \
                        "./src/Doc/IsarImplementation/document/build" \
                        "./src/Doc/IsarRef/document/build" \
                        "./src/Doc/IsarRef/document/showsymbols" \
                        "./src/Doc/JEdit/document/build" \
                        "./src/Doc/LaTeXsugar/document/build" \
                        "./src/Doc/Locales/document/build" \
                        "./src/Doc/Logics/document/build" \
                        "./src/Doc/Main/document/build" \
                        "./src/Doc/Nitpick/document/build" \
                        "./src/Doc/prepare_document" \
                        "./src/Doc/ProgProve/document/build" \
                        "./src/Doc/sedindex" \
                        "./src/Doc/Sledgehammer/document/build" \
                        "./src/Doc/System/document/build" \
                        "./src/Doc/Tutorial/document/build" \
                        "./src/Doc/Tutorial/document/isa-index" \
                        "./src/Doc/ZF/document/build"
                do
                        exeinto $(dirname "${TARGETDIR}/${i}")
                        doexe ${i}
                done
        fi

        for i in "./bin/isabelle" \
                "./bin/isabelle-process" \
                "./bin/isabelle_scala_script" \
                "./lib/browser/build" \
                "./lib/scripts/feeder" \
                "./lib/scripts/getsettings" \
                "./lib/scripts/polyml-version" \
                "./lib/scripts/process" \
                "./lib/scripts/run-polyml" \
                "./lib/scripts/run-polyml-5.5.1" \
                "./lib/scripts/run-smlnj" \
                "./lib/scripts/unsymbolize" \
                "./lib/scripts/update_sub_sup" \
                "./lib/scripts/yxml" \
                "./lib/Tools/browser" \
                "./lib/Tools/build" \
                "./lib/Tools/components" \
                "./lib/Tools/display" \
                "./lib/Tools/doc" \
                "./lib/Tools/document" \
                "./lib/Tools/emacs" \
                "./lib/Tools/env" \
                "./lib/Tools/findlogics" \
                "./lib/Tools/getenv" \
                "./lib/Tools/install" \
                "./lib/Tools/java" \
                "./lib/Tools/keywords" \
                "./lib/Tools/latex" \
                "./lib/Tools/logo" \
                "./lib/Tools/mkroot" \
                "./lib/Tools/options" \
                "./lib/Tools/scala" \
                "./lib/Tools/scalac" \
                "./lib/Tools/tty" \
                "./lib/Tools/unsymbolize" \
                "./lib/Tools/update_sub_sup" \
                "./lib/Tools/version" \
                "./lib/Tools/yxml" \
                "./src/HOL/IMP/export.sh" \
                "./src/HOL/Library/Sum_of_Squares/neos_csdp_client" \
                "./src/HOL/Mirabelle/lib/Tools/mirabelle" \
                "./src/HOL/Mutabelle/lib/Tools/mutabelle" \
                "./src/HOL/SPARK/Examples/README" \
                "./src/HOL/Tools/ATP/scripts/dummy_atp" \
                "./src/HOL/Tools/ATP/scripts/remote_atp" \
                "./src/HOL/Tools/Sledgehammer/MaSh/src/compareStats.py" \
                "./src/HOL/Tools/Sledgehammer/MaSh/src/mash.py" \
                "./src/HOL/Tools/Sledgehammer/MaSh/src/server.py" \
                "./src/HOL/Tools/SMT/lib/scripts/remote_smt" \
                "./src/HOL/TPTP/lib/Tools/tptp_graph" \
                "./src/HOL/TPTP/lib/Tools/tptp_isabelle" \
                "./src/HOL/TPTP/lib/Tools/tptp_isabelle_hot" \
                "./src/HOL/TPTP/lib/Tools/tptp_nitpick" \
                "./src/HOL/TPTP/lib/Tools/tptp_refute" \
                "./src/HOL/TPTP/lib/Tools/tptp_sledgehammer" \
                "./src/HOL/TPTP/TPTP_Parser/make_mlyacclib" \
                "./src/HOL/TPTP/TPTP_Parser/make_tptp_parser" \
                "./src/Pure/build" \
                "./src/Pure/build-jars" \
                "./src/Tools/Code/lib/Tools/codegen" \
                "./src/Tools/Graphview/lib/Tools/graphview" \
                "./src/Tools/jEdit/lib/Tools/jedit" \
                "./src/Tools/Metis/fix_metis_license" \
                "./src/Tools/Metis/make_metis" \
                "./src/Tools/Metis/scripts/mlpp" \
                "./src/Tools/WWW_Find/lib/Tools/wwwfind"
        do
                exeinto $(dirname "${TARGETDIR}/${i}")
                doexe ${i}
        done

        insinto /etc/isabelle
        doins -r etc/*
        dosym /etc/isabelle "${TARGETDIR}/etc"

        dosym "${LIBDIR}/heaps" "${TARGETDIR}/heaps"
        insinto ${LIBDIR}
        doins -r heaps

        bin/isabelle install -d ${TARGETDIR} "${ED}usr/bin" \
                || die "isabelle install failed"
        newicon lib/icons/"${PN}.xpm" "${PN}.xpm"
        newicon lib/icons/"${PN}-mini.xpm" "${PN}-mini.xpm"
        dodoc ANNOUNCE CONTRIBUTORS COPYRIGHT NEWS README

        java-pkg_regjar \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/Console.jar" \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/ErrorList.jar" \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/Highlight.jar" \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/idea-icons.jar" \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/jedit-5.1.0-patched/jars/QuickNotepad.jar"
 \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/jedit-5.1.0-patched/jedit.jar"
 \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/jsr305-2.0.0.jar" \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/MacOSX.jar" \
                
"${ED}${TARGETDIR}/contrib/jedit_build-20131106/contrib/SideKick.jar" \
                
"${ED}${TARGETDIR}/contrib/jfreechart-1.0.14-1/jfreechart-1.0.14-demo.jar" \
                "${ED}${TARGETDIR}/lib/browser/GraphBrowser.jar" \
                "${ED}${TARGETDIR}/lib/classes/Graphview.jar" \
                "${ED}${TARGETDIR}/lib/classes/Pure.jar" \
                "${ED}${TARGETDIR}/lib/classes/scala-actors.jar" \
                "${ED}${TARGETDIR}/lib/classes/scala-compiler.jar" \
                "${ED}${TARGETDIR}/lib/classes/scala-library.jar" \
                "${ED}${TARGETDIR}/lib/classes/scala-reflect.jar" \
                "${ED}${TARGETDIR}/lib/classes/scala-swing.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/Console.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/ErrorList.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/Highlight.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/idea-icons.jar" \
                
"${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/Isabelle-jEdit.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/jsr305-2.0.0.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/MacOSX.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/QuickNotepad.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jars/SideKick.jar" \
                "${ED}${TARGETDIR}/src/Tools/jEdit/dist/jedit.jar"
}

pkg_postinst() {
        # If any of the directories in /etc/isabelle/components do not exist, 
then
        # even isabelle getenv ISABELLE_HOME fails.  Hence it is necessary to
        # to delete any non-existing directories.  If an old Isabelle version 
was
        # installed with component ebuilds like sci-mathematics/e, then the
        # Isabelle version is upgraded, then the contrib directories will not
        # exist initially, it is necessary to delete them from 
/etc/isabelle/components.
        # Then these components are rebuilt (creating these directories) using 
the
        # EAPI=5 subslot depends.
        for i in $(egrep '^[^#].*$' "${ROOT}etc/isabelle/components")
        do
                if [ ! -d /usr/share/${MY_P}/${i} ]; then
                        sed -e "\@${i}@d" -i "${ROOT}etc/isabelle/components"
                fi
        done
        if use ledit && use readline; then
                elog "Both readline and ledit use flags specified.  The default 
setting"
                elog "if both are installed is to use readline (rlwrap), this 
can be"
                elog "modfied by editing the ISABELLE_LINE_EDITOR setting in"
                elog "${ROOT}/etc/isabelle/settings"
        fi
        elog "Please ensure you have a pdf viewer installed, for example:"
        elog "As root: emerge app-text/zathura-pdf-poppler"
        elog "Please configure your preferred pdf viewer, something like:"
        elog "As normal user: xdg-mime default zathura.desktop application/pdf"
        elog "Or alternatively by editing the PDF_VIEWER variable in the system"
        elog "settings file ${ROOT}etc/isabelle/settings and/or the user"
        elog "settings file \$HOME/.isabelle/${MY_P}/etc/settings"
        elog "To improve sledgehammer performance, consider installing:"
        elog "USE=isabelle emerge sci-mathematics/e sci-mathematics/spass"
        elog "For nitpick it is necessary to install:"
        elog "emerge sci-mathematics/kodkodi"
}




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