DMD (git) builds (supports multilib builds)

dmd2setup.sh

#!/bin/sh

run() {
    ${*} 1>>/tmp/log 2>>/tmp/log
}

case "$(uname -s)" in
    Linux) NCPU=$(($(cat /proc/cpuinfo|grep MHz|wc -l)+1)) ;;
esac

if [ -z "${NCPU}" ]; then NCPU=1; fi

if [ ! -z "$(which gmake 2>/dev/null)" ]; then             # Detect gmake if necessary
    MK=$(which gmake)
else
    MK=$(which make)
fi

OSl=$(uname -s|tr '[:lower:]' '[:upper:]')     # Upper case os name
OSs=$(echo ${OSl}|tr '[:upper:]' '[:lower:]')  # Lower case os name

PDIR=${PWD}                                    # Set our parent directory
dir=dmd2-$(date +%m%d%y) ; mkdir -p $dir       # Make our installdirs
mkdir -p ${dir}/{bin,include,lib,lib32}
mkdir -p ${dir}/include/d{32,64}/{druntime,phobos2}

buildit() {
    for i in dmd druntime phobos; do               # checkout and build our shit
	echo "    ${i}"
        run "git clone git://github.com/D-Programming-Language/${i}.git ${i}"
        cd ${i}
        case "${i}" in
            dmd) 
                cd src; run "${MK} -f posix.mak clean"
		run "${MK} TARGET=$OSl MODEL=${BITS} -f posix.mak -j${NCPU}"
                if [ ${MULTILIB} = 0 ]; then
		    cp dmd *gen ${PDIR}/${dir}/bin/; cd ${PDIR}
		else
		    for itm in $(ls dmd *gen); do
			cp ${itm} ${PDIR}/${dir}/bin/${itm}${BITS}
		    done
		fi
                ;;
            druntime) 
                run "${MK} -f posix.mak clean"
		if [ ${MULTILIB} = 1 ]; then
                    run "${MK} OS=$OSs DMD=${PDIR}/${dir}/bin/dmd${BITS} MODEL=${BITS} -f posix.mak -j${NCPU}"
		else
                    run "${MK} OS=$OSs DMD=${PDIR}/${dir}/bin/dmd MODEL=${BITS} -f posix.mak -j${NCPU}"
		fi
		if [ ${MULTILIB} = 1 ] && [ ${BITS} = 32 ]; then
                    cp ./lib/libdruntime-${OSs}${BITS}.a ${PDIR}/${dir}/lib32/
		else
                    cp ./lib/libdruntime-${OSs}${BITS}.a ${PDIR}/${dir}/lib/
		fi
                cp -r ./import ${PDIR}/${dir}/include/d${BITS}/druntime/ ; cd ${PDIR}
                ;;
            phobos)
                run "${MK} -f posix.mak clean"
		if [ ${MULTILIB} = 1 ]; then
                    run "${MK} OS=$OSs DMD=${PDIR}/${dir}/bin/dmd${BITS} MODEL=${BITS} -f posix.mak -j${NCPU}"
		else
                    run "${MK} OS=$OSs DMD=${PDIR}/${dir}/bin/dmd MODEL=${BITS} -f posix.mak -j${NCPU}"
		fi
		if [ ${MULTILIB} = 1 ] && [ ${BITS} = 32 ]; then
                    cp -r ./generated/${OSs}/release/${BITS}/libphobos2.a ${PDIR}/${dir}/lib32/libphobos2.a
		else
                    cp -r ./generated/${OSs}/release/${BITS}/libphobos2.a ${PDIR}/${dir}/lib/libphobos2.a
		fi
                cp -r ./*.d ./std ${PDIR}/${dir}/include/d${BITS}/phobos2/ ; cd ${PDIR}
                ;;
        esac
	cd ${PDIR}
    done
}

if [ -d /lib64 ] || [ -d /usr/lib32 ]; then
    MULTILIB=1;echo '===> 32bit';BITS=32;buildit;echo '===> 64bit';BITS=64;buildit
else
    MULTILIB=0
    case "$(uname -m)" in                            # Determine 32 or 64 bit models
        *86) BITS=32 ;;
        *64) BITS=64 ;;
    esac
    buildit
fi

if [ ${MULTILIB} = 1 ]; then
    echo
    echo "In order for these to coexist, I have elected not to set the DFLAGS env variable."
    echo "What I recommend is to set DFLAGS32 and DFLAGS64 to their proper and respective values,"
    echo 'so that you can issue a DFLAGS=${DFLAGSNN} statement with your build command as desired.'
    echo
    echo 'Examples of proper values would be:'
    echo
    echo "$ export DFLAGS32=-I${PDIR}/${dir}/include/d32/druntime -I${PDIR}/${dir}/include/d32/phobos2/"
    echo "$ export DFLAGS64=-I${PDIR}/${dir}/include/d64/druntime -I${PDIR}/${dir}/include/d64/phobos2/"
    echo
    echo "Your LDFLAGS should include:"
    echo "-L${PDIR}/${dir}/lib -L${PDIR}/${dir}/lib32"
    echo
else
    echo
    echo "Export your DFLAGS environment variable to something like:"
    echo "$ export DFLAGS=-I${PDIR}${dir}/include/d/druntime -I${PDIR}/${dir}/include/d/phobos2"
    echo
    echo "Your LDFLAGS should include:"
    echo "-L${PDIR}/${dir}/lib"
    echo
fi