LFSPkgSetUp

#!/bin/bash -e

#
# ©K. D. Hedger. Mon 12 Jun 15:48:46 BST 2017 kdhedger68713@gmail.com
#
# This file (LFSSetUp) is part of BootCD.
#
# BootCD 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.

# BootCD 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 BootCD.  If not, see <http://www.gnu.org/licenses/>.
#

LOCALLFSVERSION=10.1
PIBUILD=0
PIVERS=4
USESYSTEMD=0
USERDATA=

#$1=varname $2=message
readWithDefault ()
{
	local varname="$1"
	local varcontents="${!varname}"
	local message="$2"

	read -e -p "$message [ ${varcontents} ] "
	if [ "X$REPLY" != "X" ];then
		eval "${varname}='$REPLY'"
	fi
}

case $(uname -m) in
	arm*)
		PIBUILD=1
		LIBDIRSUFFIX=""
		;;

	x86_64)
		LIBDIRSUFFIX=64
		;;
	*)
		LIBDIRSUFFIX=""
		;;
esac

#set variables if possible
if [ -e /etc/lfspkg.rc ];then
	. /etc/lfspkg.rc
	USERDATA=$(sed -n '/####USER DATA####/,$p'  /etc/lfspkg.rc)
else
	LFSVERSION=12.0
	PIBUILD=0
	PIVERS=4
	USESYSTEMD=0
	LIBDIRSUFFIX=64
	BUILDSCRIPTS="/LFSPkgBuildScripts/"
	OUTPUT="/LFSBuiltPackages/$LFSVERSION"
	SOURCEARCHIVES="/LFSSourceArchives/$LFSVERSION"
	PKGARCHIVES="/LFSBuiltPackages/$LFSVERSION"
	COMPILEAT="/LFSSourceArchives/$LFSVERSION"
	SCRIPTLOG=1
	CHECKETC=1

	CONFIGOPTIONS="--prefix=/usr --sysconfdir=/etc --libexecdir=/usr/libexec --libdir=/usr/lib --disable-nls --disable-static"
	MESONCONFIGOPTIONS="--prefix=/usr --sysconfdir=/etc --libexecdir=/usr/libexec --libdir=/usr/lib --buildtype=release --default-library=shared"
	CMAKEOPTIONS="-DCMAKE_INSTALL_PREFIX=/usr -DLIB_SUFFIX="" -DCMAKE_PREFIX_PATH=/usr/lib/qt5/cmake -DUSE_QT5=TRUE  -Wno-dev"
	XORG_CONFIG="--prefix=/usr --sysconfdir=/etc --mandir=/usr/share/man --localstatedir=/var --disable-static"

	MAKEFLAGS="-j$(($(nproc)-1))"

	export QT5PREFIX=/usr
	export QT5DIR=$QT5DIR
	export XORG_PREFIX="/usr"
	exportJAVA_HOME=/opt/jdk

	export PATH="${QT5DIR}:${PATH}"
fi

#LFS Version
LFSVERSION=${LFSVERSION:-"12.0"}
readWithDefault "LFSVERSION" "Enter Version"

#use systemd :(
readWithDefault "USESYSTEMD" "Build with systemd support"

#for rpi
if [ $PIBUILD -eq 1 ];then
	PIVERS=${PIVERS:-"4"}
	readWithDefault "PIVERS" "Enter Pi Version"
fi

#libdir suffix
readWithDefault "LIBDIRSUFFIX" "Enter Suffix For Lib Folders"

#buildscripts location
BUILDSCRIPTS="/LFSPkgBuildScripts/"
readWithDefault "BUILDSCRIPTS" "Enter Folder For Build Scripts"

#Folder for built pkgs
OUTPUT=${OUTPUT:-"/LFSBuiltPackages/$LFSVERSION"}
readWithDefault "OUTPUT" "Enter Folder For Temporary Files"

#Place to store downloaded source archives, defaults to /LFSSourceArchives/${LFSVERSION}
SOURCEARCHIVES=${SOURCEARCHIVES:-"/LFSSourceArchives/${LFSVERSION}"}
readWithDefault "SOURCEARCHIVES" "Enter Folder For Source Archives"

#Place to store package archives, defaults to $OUTPUT
PKGARCHIVES=${PKGARCHIVES:-"$OUTPUT"}
readWithDefault "PKGARCHIVES" "Enter Folder For Built Package Archives"

#compile at folder for large builds
COMPILEAT=${COMPILEAT:-""}
readWithDefault "COMPILEAT" "Compile In This Folder Instead Of In Pkg Folder"

#log op from scripts
SCRIPTLOG=${SCRIPTLOG:-1}
readWithDefault "SCRIPTLOG" "Log Output From Scripts, 0 = Don't Log"

#check /etc/ for config file clashes
CHECKETC=${CHECKETC:-1}
readWithDefault "CHECKETC" "Check /etc For Possible Config File Clashes, 0 = No Check"

#qt5 and cmake stuff
QT5PREFIX=${QT5PREFIX:-"/usr"}
readWithDefault "QT5PREFIX" "Qt5 Install Location"
QT5DIR=$QT5PREFIX/lib${LIBDIRSUFFIX}/qt5

#xorg prefix
XORG_PREFIX=${XORG_PREFIX:-"/usr"}
readWithDefault "XORG_PREFIX" "Build Locattion For Xorg"

#java home
JAVA_HOME=${JAVA_HOME:-"/opt/jdk"}
readWithDefault "JAVA_HOME" "Java Install Location"

#general config options
if [ -e /etc/lfspkg.rc ];then
	unset CONFIGOPTIONS
	CONFIGOPTIONS=$(sed -n 's/^CONFIGOPTIONS=\(.*\)$/\1/p' /etc/lfspkg.rc|sed 's/"//g')
fi
readWithDefault "CONFIGOPTIONS" "Enter Basic Options For \"configure\" Scripts"

#config options for meson
if [ -e /etc/lfspkg.rc ];then
	unset MESONCONFIGOPTIONS
	MESONCONFIGOPTIONS=$(sed -n 's/^MESONCONFIGOPTIONS=\(.*\)$/\1/p' /etc/lfspkg.rc|sed 's/"//g')
fi
readWithDefault "MESONCONFIGOPTIONS" "Enter Basic Options For \"meson\" Scripts"

#cmake config
if [ -e /etc/lfspkg.rc ];then
	unset CMAKEOPTIONS
	CMAKEOPTIONS=$(sed -n 's/^CMAKEOPTIONS=\(.*\)$/\1/p' /etc/lfspkg.rc|sed 's/"//g')
fi
readWithDefault "CMAKEOPTIONS" "Enter Basic Options For \"cmake\" Scripts"

#xorg configure options
if [ -e /etc/lfspkg.rc ];then
	unset XORG_CONFIG
	XORG_CONFIG=$(sed -n 's/^XORG_CONFIG=\(.*\)$/\1/p' /etc/lfspkg.rc|sed 's/"//g')
fi
readWithDefault "XORG_CONFIG" "Xorg Configure Options"

#general purpose make flags
MAKEFLAGS=${MAKEFLAGS:-" -j$(nproc) "}
readWithDefault "MAKEFLAGS" "General Purpose Switches To Make"

echo "----SUMMARY----"
echo 
echo "LFSVERSION=$LFSVERSION"
echo "PIBUILD=$PIBUILD"
echo "PIVERS=$PIVERS"
echo "USESYSTEMD=$USESYSTEMD"

echo "LIBDIRSUFFIX=$LIBDIRSUFFIX"
echo "BUILDSCRIPTS=$BUILDSCRIPTS"
echo
echo "OUTPUT=\"\${OUTPUT:-$OUTPUT}\""
echo "SOURCEARCHIVES=\"\${SOURCEARCHIVES:-${SOURCEARCHIVES}}\""
echo "PKGARCHIVES==\"\${PKGARCHIVES:-${PKGARCHIVES}}\""
echo "COMPILEAT=\"\${COMPILEAT:-${COMPILEAT}}\""
echo
echo "SCRIPTLOG=$SCRIPTLOG"
echo "CHECKETC=$CHECKETC"
echo
echo "XORG_PREFIX=$XORG_PREFIX"
echo "QT5PREFIX=$QT5PREFIX"
echo "QT5DIR=$QT5DIR"
echo "JAVA_HOME=$JAVA_HOME"
echo
echo "CONFIGOPTIONS=$CONFIGOPTIONS"
echo "MESONCONFIGOPTIONS=$MESONCONFIGOPTIONS"
echo "CMAKEOPTIONS=$CMAKEOPTIONS"
echo "XORG_CONFIG=$XORG_CONFIG"
echo
echo "MAKEFLAGS=\"\${MAKEFLAGS:-$MAKEFLAGS}"\"
echo
echo "--------"

SUMMARY="N/y"
readWithDefault "SUMMARY"  "Write Config Files?"

if [ ! ${SUMMARY,,} = "y" ];then
	exit 1
fi

rcpath=""
if [ $UID -eq 0 ];then
	rcpath=/etc/lfspkg.rc
else
	rcpath=$(tty)
fi

cat > $rcpath << EOF
LFSVERSION=$LFSVERSION
PIBUILD=$PIBUILD
PIVERS=$PIVERS
USESYSTEMD=$USESYSTEMD
LIBDIRSUFFIX=$LIBDIRSUFFIX
BUILDSCRIPTS="$BUILDSCRIPTS"

OUTPUT="\${OUTPUT:-$OUTPUT}"
SOURCEARCHIVES="\${SOURCEARCHIVES:-${SOURCEARCHIVES}}"
PKGARCHIVES="\${PKGARCHIVES:-${PKGARCHIVES}}"
COMPILEAT="\${COMPILEAT:-${COMPILEAT}}"

SCRIPTLOG=$SCRIPTLOG
CHECKETC=$CHECKETC

CONFIGOPTIONS="$CONFIGOPTIONS"
MESONCONFIGOPTIONS="$MESONCONFIGOPTIONS"
CMAKEOPTIONS="$CMAKEOPTIONS"
XORG_CONFIG="$XORG_CONFIG"

MAKEFLAGS="\${MAKEFLAGS:-$MAKEFLAGS}"

export QT5PREFIX=$QT5PREFIX
export QT5DIR=$QT5DIR
export XORG_PREFIX="$XORG_PREFIX"
export JAVA_HOME=$JAVA_HOME

$USERDATA
EOF