ADDED   common/common.sh
Index: common/common.sh
==================================================================
--- /dev/null
+++ common/common.sh
@@ -0,0 +1,273 @@
+#! /usr/bin/env bash
+
+targetInstallEnvironment='kitcreator'
+pkgdir="$(pwd)"
+internalpkgname="${pkg}"
+archivedir="${pkgdir}/src"
+buildsrcdir="${pkgdir}/buildsrc"
+installdir="${pkgdir}/inst"
+runtimedir="${pkgdir}/out"
+workdir="${pkgdir}/workdir-$$${RANDOM}${RANDOM}${RANDOM}${RANDOM}.work"
+
+_download="$(which download)"
+
+function clean() {
+	rm -rf "${installdir}" "${runtimedir}"
+}
+
+function distclean() {
+	rm -rf "${archivedir}"
+	rm -rf "${pkgdir}"/workdir-*
+}
+
+function init() {
+	clean || return 1
+
+	TCL_VERSION="unknown"
+	if [ -f "${TCLCONFIGDIR}/tclConfig.sh" ]; then
+		source "${TCLCONFIGDIR}/tclConfig.sh"
+	fi
+	export TCL_VERSION
+}
+
+function predownload() {
+	:
+}
+
+function download() {
+	if [ -d "${buildsrcdir}" ]; then
+		return 0
+	fi
+
+	if [ -n "${url}" ]; then
+		# Determine type of file
+		archivetype="$(echo "${url}" | sed 's@\?.*$@@')"
+		case "${archivetype}" in
+			*.tar.*)
+				archivetype="$(echo "${archivetype}" | sed 's@^.*\.tar\.@tar.@')"
+				;;
+			*)
+				archivetype="$(echo "${archivetype}" | sed 's@^.*\.@@')"
+				;;
+		esac
+
+		pkgarchive="${archivedir}/${pkg}-${version}.${archivetype}"
+		mkdir "${archivedir}" >/dev/null 2>/dev/null
+	fi
+
+	if [ -n "${url}" -a -n "${pkgarchive}" -a ! -e "${pkgarchive}" ]; then
+		"${_download}" "${url}" "${pkgarchive}" "${sha256}" || return 1
+	fi
+
+	return 0
+}
+
+function postdownload() {
+	:
+}
+
+function extract() {
+	if [ -d "${buildsrcdir}" ]; then
+		mkdir "${workdir}" || return 1
+
+		cp -rp "${buildsrcdir}"/* "${workdir}" || return 1
+
+		return 0
+	fi
+
+	if [ -n "${pkgarchive}" ]; then
+		(
+			mkdir "${workdir}" || exit 1
+
+			cd "${workdir}" || exit 1
+
+			case "${pkgarchive}" in
+				*.tar.gz|*.tgz)
+					gzip -dc "${pkgarchive}" | tar -xf - || exit 1
+					;;
+				*.tar.bz2|*.tbz|*.tbz2)
+					bzip2 -dc "${pkgarchive}" | tar -xf - || exit 1
+					;;
+				*.tar.xz|*.txz)
+					xz -dc "${pkgarchive}" | tar -xf - || exit 1
+					;;
+				*.zip)
+					unzip "${pkgarchive}" || exit 1
+					;;
+			esac
+
+			shopt -s dotglob
+			dir="$(echo ./*)"
+			if [ -d "${dir}" ]; then
+				mv "${dir}"/* . || exit 1
+
+				rmdir "${dir}" || exit 1
+			fi
+
+			exit 0
+		) || return 1
+	fi
+
+	return 0
+}
+
+function apply_patches() {
+	:
+}
+
+function preconfigure() {
+	:
+}
+
+function configure() {
+	local tryopts tryopt
+	local staticpkg staticpkgvar
+	local isshared
+	local save_cflags
+	local base_var kc_var
+
+	staticpkgvar="$(echo "STATIC${internalpkgname}" | dd conv=ucase 2>/dev/null)"
+	staticpkg="$(eval "echo \"\$${staticpkgvar}\"")"
+
+	# Set configure options for this sub-project
+	for base_var in LDFLAGS CFLAGS CPPFLAGS LIBS; do
+		kc_var="$(echo "KC_${internalpkgname}_${base_var}" | dd conv=ucase 2>/dev/null)"
+		kc_var_val="$(eval "echo \"\$${kc_var}\"")"
+
+		if [ -n "${kc_var_val}" ]; then
+			eval "${base_var}=\"\$${base_var} \$${kc_var}\"; export ${base_var}"
+		fi
+	done
+
+	# Determine if we should enable shared or not
+	if [ "${staticpkg}" = "0" ]; then
+		tryopts="--enable-shared --disable-shared"
+	elif [ "${staticpkg}" = "-1" ]; then
+		tryopts="--enable-shared"
+	else
+		tryopts="--disable-shared"
+	fi
+
+	save_cflags="${CFLAGS}"
+	for tryopt in $tryopts __fail__; do
+		if [ "${tryopt}" = "__fail__" ]; then
+			return 1
+		fi
+
+		# Clean up, if needed
+		make distclean >/dev/null 2>/dev/null
+		if [ "${tryopt}" == "--enable-shared" ]; then
+			isshared="1"
+		else
+			isshared="0"
+		fi
+
+		# If build a static package for KitDLL, ensure that we use PIC
+		# so that it can be linked into the shared object
+		if [ "${isshared}" = "0" -a "${KITTARGET}" = "kitdll" ]; then
+			CFLAGS="${save_cflags} -fPIC"
+		else
+			CFLAGS="${save_cflags}"
+		fi
+		export CFLAGS
+
+		if [ "${isshared}" = '0' ]; then
+			sed 's@USE_TCL_STUBS@XXX_TCL_STUBS@g' configure > configure.new
+
+			pkg_configure_shared_build='0'
+		else
+			sed 's@XXX_TCL_STUBS@USE_TCL_STUBS@g' configure > configure.new
+
+			pkg_configure_shared_build='1'
+		fi
+
+		cat configure.new > configure
+		rm -f configure.new
+
+		./configure $tryopt --prefix="${installdir}" --exec-prefix="${installdir}" --libdir="${installdir}/lib" --with-tcl="${TCLCONFIGDIR}" "${configure_extra[@]}" ${CONFIGUREEXTRA} && break
+	done
+
+	return 0
+}
+
+function postconfigure() {
+	:
+}
+
+function prebuild() {
+	:
+}
+
+function build() {
+	${MAKE:-make} tcllibdir="${installdir}/lib" "${make_extra[@]}"
+}
+
+function postbuild() {
+	:
+}
+
+function preinstall() {
+	:
+}
+
+function install() {
+	local installpkgdir
+	local pkglibfile
+
+	mkdir -p "${installdir}/lib" || return 1
+	${MAKE:-make} tcllibdir="${installdir}/lib" "${make_extra[@]}" install || return 1
+
+	# Create pkgIndex if needed
+	installpkgdir="$(echo "${installdir}/lib"/*)"
+
+	if [ -d "${installpkgdir}" ]; then
+		if [ ! -e "${installpkgdir}/pkgIndex.tcl" ]; then
+			case "${pkg_configure_shared_build}" in
+				0)
+					cat << _EOF_ > "${installpkgdir}/pkgIndex.tcl"
+package ifneeded ${pkg} ${version} [list load {} ${pkg}]
+_EOF_
+					;;
+				1)
+					pkglibfile="$(find "${installpkgdir}" -name '*.so' -o -name '*.dylib' -o -name '*.dll' -o -name '*.shlib' | head -n 1 | sed 's@^.*/@@')"
+					cat << _EOF_ > "${installpkgdir}/pkgIndex.tcl"
+package ifneeded ${pkg} ${version} [list load [file join \$dir ${pkglibfile}]]
+_EOF_
+					;;
+			esac
+		fi
+	fi
+}
+
+function postinstall() {
+	:
+}
+
+function createruntime() {
+	local file
+
+	# Install files needed by installation
+	mkdir -p "${runtimedir}" || return 1
+	cp -r "${installdir}/lib" "${runtimedir}" || return 1
+
+	find "${runtimedir}" -name '*.a' -type f | while IFS='' read -r file; do
+		rm -f "${file}"
+	done
+
+	# Ensure that some files were installed
+	if ! find "${runtimedir}" -type f 2>/dev/null | grep '^' >/dev/null; then
+		return 1
+	fi
+
+	return 0
+}
+
+function die() {
+	local msg
+
+	msg="$1"
+
+	echo "$msg" >&2
+
+	exit 1
+}

Index: kitcreator
==================================================================
--- kitcreator
+++ kitcreator
@@ -40,10 +40,11 @@
 rm -f "kitsh/.success"
 for pkg in ${KITCREATOR_ALLPKGS} ${KITCREATOR_PKGS}; do
 	if [ "${mode}" != "retry" -o ! -f "${pkg}/.success" ]; then
 		rm -f "${pkg}/build.log" "${pkg}/.success"
 		rm -rf "${pkg}/out" "${pkg}/inst" "${pkg}/build"
+		rm -rf "${pkg}"/workdir-*
 
 		rm -rf "${pkg}/src"/tmp-*
 	fi
 
 	if [ "${mode}" = "distclean" ]; then
@@ -159,10 +160,28 @@
 
 		break
 	fi
 done
 export TCLSH_NATIVE
+
+# Function to determine what build mode is being used
+function useCommonBuildSystem() {
+	local script
+
+	script="$1"
+
+	if head "${script}" 2>/dev/null | grep -i '^# *BuildCompatible: *KitCreator *$' >/dev/null 2>/dev/null; then
+		return 0
+	fi
+
+	return 1
+}
+
+# Cleanup build logs
+for pkg in tcl tclvfs zlib ${KITCREATOR_PKGS} kitsh; do
+	rm -f "${pkg}/build.log"
+done
 
 # Verify that each component is happy with the environment
 validatefailed="0"
 for pkg in tcl tclvfs zlib ${KITCREATOR_PKGS} kitsh; do
 	failed='0'
@@ -172,11 +191,11 @@
 
 	if [ -x "${pkg}/validate.sh" ]; then
 		(
 			cd "${pkg}" >/dev/null 2>/dev/null || exit 1
 
-			./validate.sh 3>&1 4>&2 > build.log 2>&1 || exit 1
+			./validate.sh 3>&1 4>&2 >> build.log 2>&1 || exit 1
 		) || failed="1"
 
 		if [ "${failed}" = '1' ]; then
 			echo "Failed pre-requisite check for ${pkg}" >&2
 
@@ -204,11 +223,51 @@
 
 			build_script='./build.sh'
 			if [ -x 'kitcreator-build.sh' ]; then
 				build_script='./kitcreator-build.sh'
 			fi
-			"${build_script}" 3>&1 4>&2 > build.log 2>&1 || exit 1
+
+			if useCommonBuildSystem "${build_script}"; then
+				(
+					. ../common/common.sh
+					. "${build_script}"
+
+					set -x
+
+					init || die 'init failed'
+
+					predownload || die 'predownload failed'
+					download || die 'download failed'
+					postdownload || die 'postdownload failed'
+
+					extract || die 'extract failed'
+
+					apply_patches || die 'apply patches failed'
+
+					cd "${workdir}" || exit 1
+
+					preconfigure || die 'preconfigure failed'
+					configure || die 'configure failed'
+					postconfigure || die 'postconfigure failed'
+
+					prebuild || die 'prebuild failed'
+					build || die 'build failed'
+					postbuild || die 'postbuild failed'
+
+					preinstall || die 'preinstall failed'
+					install || die 'install failed'
+					postinstall || die 'postinstall failed'
+
+					createruntime || die 'createruntime failed'
+
+					set +x
+
+					rm -rf "${workdir}"
+				) 3>&1 4>&2 > build.log 2>&1 || exit 1
+			else
+				"${build_script}" 3>&1 4>&2 >> build.log 2>&1 || exit 1
+			fi
 		) || failed="1"
 	fi
 
 	if [ "${failed}" = "1" ]; then
 		echo " failed."

Index: udp/build.sh
==================================================================
--- udp/build.sh
+++ udp/build.sh
@@ -1,130 +1,9 @@
 #! /usr/bin/env bash
 
-if [ ! -f 'build.sh' ]; then
-	echo 'ERROR: This script must be run from the directory it is in' >&2
-
-	exit 1
-fi
-if [ -z "${TCLVERS}" ]; then
-	echo 'ERROR: The TCLVERS environment variable is not set' >&2
-
-	exit 1
-fi
-
-TCLUDPVERS="1.0.11"
-SRC="src/tcludp-${TCLUDPVERS}.tar.gz"
-SRCURL="http://sourceforge.net/projects/tcludp/files/tcludp/${TCLUDPVERS}/tcludp-${TCLUDPVERS}.tar.gz"
-SRCHASH='a8a29d55a718eb90aada643841b3e0715216d27cea2e2df243e184edb780aa9d'
-BUILDDIR="$(pwd)/build/tcludp"
-OUTDIR="$(pwd)/out"
-INSTDIR="$(pwd)/inst"
-PATCHDIR="$(pwd)/patches"
-export TCLUDPVERS SRC SRCURL BUILDDIR OUTDIR INSTDIR PATCHDIR
-
-# Set configure options for this sub-project
-LDFLAGS="${LDFLAGS} ${KC_TCLUDP_LDFLAGS}"
-CFLAGS="${CFLAGS} ${KC_TCLUDP_CFLAGS}"
-CPPFLAGS="${CPPFLAGS} ${KC_TCLUDP_CPPFLAGS}"
-LIBS="${LIBS} ${KC_TCLUDP_LIBS}"
-export LDFLAGS CFLAGS CPPFLAGS LIBS
-
-rm -rf 'build' 'out' 'inst'
-mkdir 'build' 'out' 'inst' || exit 1
-
-TCL_VERSION="unknown"
-if [ -f "${TCLCONFIGDIR}/tclConfig.sh" ]; then
-        source "${TCLCONFIGDIR}/tclConfig.sh"
-fi
-export TCL_VERSION
-
-if [ ! -f "${SRC}" ]; then
-	mkdir 'src' >/dev/null 2>/dev/null
-
-	if [ ! -d 'buildsrc' ]; then
-		download "${SRCURL}" "${SRC}" "${SRCHASH}" || exit 1
-	fi
-fi
-
-(
-	cd 'build' || exit 1
-
-	if [ ! -d '../buildsrc' ]; then
-		gzip -dc "../${SRC}" | tar -xf -
-	else    
-		cp -rp ../buildsrc/* './'
-	fi
-
-	cd "${BUILDDIR}" || exit 1
-
-	# Try to build as a shared object if requested
-	if [ "${STATICTCLUDP}" = "0" ]; then
-		tryopts="--enable-shared --disable-shared"
-	elif [ "${STATICTCLUDP}" = "-1" ]; then
-		tryopts="--enable-shared"
-	else
-		tryopts="--disable-shared"
-	fi
-
-	SAVE_CFLAGS="${CFLAGS}"
-	for tryopt in $tryopts __fail__; do
-		rm -rf "${INSTDIR}"
-		mkdir "${INSTDIR}"
-
-		if [ "${tryopt}" = "__fail__" ]; then
-			exit 1
-		fi
-
-		# Clean up, if needed
-		make distclean >/dev/null 2>/dev/null
-		if [ "${tryopt}" == "--enable-shared" ]; then
-			isshared="1"
-		else
-			isshared="0"
-		fi
-
-		# If build a static TCLUDP for KitDLL, ensure that we use PIC
-		# so that it can be linked into the shared object
-		if [ "${isshared}" = "0" -a "${KITTARGET}" = "kitdll" ]; then
-			CFLAGS="${SAVE_CFLAGS} -fPIC"
-		else
-			CFLAGS="${SAVE_CFLAGS}"
-		fi
-		export CFLAGS
-
-		if [ "${isshared}" = '0' ]; then
-			sed 's@USE_TCL_STUBS@XXX_TCL_STUBS@g' configure > configure.new
-		else
-			sed 's@XXX_TCL_STUBS@USE_TCL_STUBS@g' configure > configure.new
-		fi
-		cat configure.new > configure
-		rm -f configure.new
-
-		(
-			echo "Running: ./configure $tryopt --prefix=\"${INSTDIR}\" --exec-prefix=\"${INSTDIR}\" --libdir=\"${INSTDIR}/lib\" --with-tcl=\"${TCLCONFIGDIR}\" ac_cv_path_DTPLITE=no ${CONFIGUREEXTRA}"
-			./configure $tryopt --prefix="${INSTDIR}" --exec-prefix="${INSTDIR}" --libdir="${INSTDIR}/lib" --with-tcl="${TCLCONFIGDIR}" ac_cv_path_DTPLITE=no ${CONFIGUREEXTRA}
-
-			echo "Running: ${MAKE:-make} tcllibdir=\"${INSTDIR}/lib\""
-			${MAKE:-make} tcllibdir="${INSTDIR}/lib" || exit 1
-
-			echo "Running: ${MAKE:-make} tcllibdir=\"${INSTDIR}/lib\" install"
-			${MAKE:-make} tcllibdir="${INSTDIR}/lib" install || exit 1
-		) || continue
-
-		break
-	done
-
-	# Create pkgIndex if needed
-	if [ ! -e "${INSTDIR}/lib/udp${TCLUDPVERS}/pkgIndex.tcl" ]; then
-		cat << _EOF_ > "${INSTDIR}/lib/udp${TCLUDPVERS}/pkgIndex.tcl"
-package ifneeded udp ${TCLUDPVERS} [list load {} udp]
-_EOF_
-	fi
-
-	# Install files needed by installation
-	cp -r "${INSTDIR}/lib" "${OUTDIR}" || exit 1
-	find "${OUTDIR}" -name '*.a' -type f | xargs -n 1 rm -f --
-
-	exit 0
-) || exit 1
-
-exit 0
+# BuildCompatible: KitCreator
+
+version="1.0.11"
+url="http://sourceforge.net/projects/tcludp/files/tcludp/${version}/tcludp-${version}.tar.gz"
+sha256='a8a29d55a718eb90aada643841b3e0715216d27cea2e2df243e184edb780aa9d'
+configure_extra=(ac_cv_path_DTPLITE=no)
+internalpkgname='tcludp'