Index: tk/build.sh
==================================================================
--- tk/build.sh
+++ tk/build.sh
@@ -52,11 +52,15 @@
 	else    
 		cp -rp ../buildsrc/* './'
 	fi
 
 	cd "${BUILDDIR}" || exit 1
-	for dir in unix win macosx; do
+	for dir in unix win macosx __fail__; do
+		if [ "${dir}" = "__fail__" ]; then
+			exit 1
+		fi
+
 		# Remove previous directory's "tkConfig.sh" if found
 		rm -f 'tkConfig.sh'
 
 		cd "${BUILDDIR}/${dir}" || exit 1
 
@@ -74,11 +78,11 @@
 			./configure --enable-shared --disable-symbols --prefix="${INSTDIR}" --with-tcl="${TCLCONFIGDIR}" ${CONFIGUREEXTRA}
 		fi
 
 		${MAKE:-make} || continue
 
-		${MAKE:-make} install
+		${MAKE:-make} install || continue
 
 		# Update pkgIndex to load libtk from the local directory rather
 		# than the parent directory
 		for pkgIndex in "${INSTDIR}"/lib/tk*/pkgIndex.tcl; do
 			sed 's@ \.\. @ @g' "${pkgIndex}" > "${pkgIndex}.new"
@@ -93,10 +97,8 @@
 		"${STRIP:-strip}" -g "${OUTDIR}"/lib/tk*/*.so >/dev/null 2>/dev/null
 		find "${OUTDIR}" -type f -name '*.a' | xargs rm -f >/dev/null 2>/dev/null
 
 		break
 	done
-
-	exit 0
 ) || exit 1
 
 exit 0