libconspack/gen-functions at master · conspack/libconspack · GitHub

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############################################# -*- sh -*- ##############
# Useful functions
initialize () {
    local test_type="$2" file="$3"

    PROJECT="$1"
    DIE=0

    if [ ! $test_type $file ]; then
	echo "Could not find the top-level $PROJECT directory"
	DIE=1
    fi

    if [ "x$LIBTOOL" = "x" ]; then
        if [ -x "`which glibtool 2> /dev/null`" ]; then
            LIBTOOL="glibtool"
            LIBTOOLIZE="glibtoolize"
        else
            LIBTOOL="libtool"
            LIBTOOLIZE="libtoolize"
        fi
    fi
}

check_ver () {
    local ver="$1" reqver="$2" vdigit="" rdigit=""

    until [ -z "$ver" ]; do
        vdigit=`echo "$ver" | sed 's/[^0-9]*\([0-9]\{1,\}\).*/\1/'`
        rdigit=`echo "$reqver" | sed 's/[^0-9]*\([0-9]\{1,\}\).*/\1/'`
        ver=`echo "$ver" | sed 's/[^0-9]*[0-9]\{1,\}\.\{0,\}\(.*\)/\1/'`
        reqver=`echo "$reqver" | sed 's/[^0-9]*[0-9]\{1,\}\.\{0,\}\(.*\)/\1/'`

        if [ -z "$vdigit" ]; then vdigit="0"; fi
        if [ -z "$rdigit" ]; then rdigit="0"; fi

        # If the version is less, automatic fail
        if [ $vdigit -lt $rdigit ]; then
            DIE=1
            BADVER=1
            return

        # If the version is greater, automatic success
        elif [ $vdigit -gt $rdigit ]; then
            BADVER=0
            return
        fi

        # Otherwise it's equal, so keep checking
    done

    # If we're here and we haven't failed, it must be equal.
    BADVER=0
}

check_prog () {
    local prog="$1" vercmd="$2" ver="" reqver="$3" action="$4" url="$5"
    local msg="You must have $prog $reqver to $action. Please acquire it from $url or a mirror."

    if [ -z "`which $prog`" ]; then
        echo $msg | fold -s
        DIE=1
    fi

    ver="`eval $vercmd | head -n 1`"
    check_ver "$ver" "$reqver"

    if [ "$BADVER" = "1" ]; then
        echo $msg | fold -s
        DIE=1
    fi
}

check_cc () {
    case $CC in
        *xlc | *xlc\ * | *lcc | *lcc\ *) am_opt=--include-deps;;
    esac
}

checks_or_die () {
    if [ "$DIE" = "1" ]; then exit 1; fi
}

generate () {
    local autogen_dirs="$@"

    if [ -z "$autogen_dirs" ]; then
        autogen_dirs="."
    fi

    for i in $autogen_dirs; do
	echo "Processing $i..."

        # automatically generate Makefile list
        MAKEFILE_LIST="`find . -mindepth 1 -name \"Makefile.am\" \
                        | sort | tr '\n' ' ' | sed 's+\./++g;s/\.am//g'`"
        sed "s+^\(AC_CONFIG_FILES(\[\).*$+\1$MAKEFILE_LIST+" \
            < configure.ac > configure.ac.tmp

        if [ -z "`diff --brief configure.ac configure.ac.tmp`" ]; then
            rm -f configure.ac.tmp
        else
            echo 'autogen: updating list of Makefiles in configure.ac'
            mv configure.ac.tmp configure.ac
        fi

	cd $i
	aclocal -I aclocal --install $ACLOCAL_FLAGS

	# optionally feature autoheader
	if grep AC_CONFIG_HEADERS configure.ac >/dev/null ; then
	    (autoheader --version)  < /dev/null > /dev/null 2>&1 && autoheader
	fi

        # It seems that libtool 1.4.2 doesn't give call libtoolize anymore
        if grep AC_PROG_LIBTOOL configure.ac >/dev/null; then
            $LIBTOOLIZE --automake --force
        fi

	automake --add-missing $am_opt
	autoconf
    done
}