Index: tcl/build.sh
==================================================================
--- tcl/build.sh
+++ tcl/build.sh
@@ -76,11 +76,11 @@
 			sed 's@^$(TCLSH)@blah@' Makefile > Makefile.new
 			cat Makefile.new > Makefile
 			rm -f Makefile.new
 
 			${MAKE:-make} install TCLSH="../../../../../../../../../../../../../../../../../$(which "${TCLKIT:-tclkit}")"
-		)
+		) || exit 1
 
 		mkdir "${OUTDIR}/lib" || exit 1
 		cp -r "${INSTDIR}/lib"/* "${OUTDIR}/lib/"
 		rm -rf "${OUTDIR}/lib/pkgconfig"
 		rm -f "${OUTDIR}"/lib/* >/dev/null 2>/dev/null