diff --git a/postgresql/installation/Makefile b/postgresql/installation/Makefile
index 73b33d9..85e02c2 100644
--- a/postgresql/installation/Makefile
+++ b/postgresql/installation/Makefile
@@ -18,14 +18,19 @@ restart: $(HERE)/bin/pg_ctl $(HERE)/data $(HERE)/log
 $(TARBALL_BASENAME).tar.bz2:
 	curl -L -O $(TARBALL_URL)
 
-$(TARBALL_BASENAME): $(TARBALL_BASENAME).tar.bz2
-	tar xjvf $<
-
-$(TARBALL_BASENAME)/Makefile: $(TARBALL_BASENAME)
-	cd $< && ./configure --prefix=$(HERE)
-
-$(HERE)/bin/postgres: $(TARBALL_BASENAME)/Makefile
-	cd $(TARBALL_BASENAME) && \
+$(TARBALL_BASENAME)/configure: $(TARBALL_BASENAME).tar.bz2
+	tar xjvf $< && touch $@
+
+$(HERE)/bin/pg_ctl: $(TARBALL_BASENAME)/configure
+	cd $(TARBALL_BASENAME) && ./configure \
+		--prefix=$(HERE) \
+		--with-python \
+		--with-perl \
+		--with-tcl \
+		--with-tclconfig=/usr/lib/tcl8.5 \
+		--with-openssl \
+		--with-libxml \
+		--with-libxslt  && \
 		make && \
 		make install