diff --git a/sky130/.gitignore b/sky130/.gitignore
new file mode 100644
index 0000000..2dd427d
--- /dev/null
+++ b/sky130/.gitignore
@@ -0,0 +1,4 @@
+# staged PDKs
+sky130/sky130A
+sky130/sky130A/*
+
diff --git a/sky130/Makefile.in b/sky130/Makefile.in
index 9092a37..2461f76 100644
--- a/sky130/Makefile.in
+++ b/sky130/Makefile.in
@@ -14,6 +14,13 @@
 # Run "configure" from the top level directory.  Use the following
 # configuration options to match your environment:
 #
+#	--enable-skywater-pdk[=<path>]
+#		If enabled, install the skywater PDK.  If <path> is specified,
+#		then the skywater PDK is expected to be found rooted at the
+#		given path.  If not specified, then the skywater PDK will be
+#		downloaded and installed to <repo root>/pdks.
+#		If explicitly disabled, sky130 is skipped over entirely.
+#
 #	--with-sky130-local-path=<path>
 #		where <path> is the run-time location of the installed PDK
 #		files generated by open_pdks.  This option is mandatory and
@@ -38,14 +45,6 @@
 #		e.g., "gds/sky130_fd_sc_hd/" with ef-style, vs.
 #		"sky130_fd_sc_hd/gds/" without it.
 #
-# Note that the following is deprecated but kept for backwards compatibility.
-# It is equivalent to "--enable-skywater-pdk=<path>" (see below).
-#
-#	--with-sky130-source-path=<path>
-#		where <path> is the location of the Google/Skywater repository
-#		cloned from https://github.com/google/skywater-pdk.  This
-#		option is mandatory and has no default.
-#
 # Enable/disable for specific libraries to be installed (and downloaded if
 # needed).  Libraries that are part of the open_pdks repository are enabled
 # by default and must be disabled by passing an option to configure.  Libraries
@@ -75,12 +74,6 @@
 #
 # External libraries and tool setups that can be enabled are the following:
 #
-#	--enable-skywater-pdk[=<path>]
-#		If enabled, install the skywater PDK.  If <path> is specified,
-#		then the skywater PDK is expected to be found rooted at the
-#		given path.  If not specified, then the skywater PDK will be
-#		cloned from the git repository and installed.
-#
 #	--enable-osu-lib[=<path>]
 #		If enabled, install the OSU standard cell library.  If <path>
 #		is specified, then the OSU standard cell library is expected
@@ -161,11 +154,7 @@
 
 # Paths:
 
-# Path to skywater_pdk (to be changed to public repo;  work in progress)
-# Version below comes from foss-eda-tools.googlesource.com
-# SKYWATER_PATH = ~/gits/skywater-pdk-scratch/skywater-pdk/libraries
-# Version below is also from foss-eda-tools and is more recent than
-# the scratch repo above.
+# Path to skywater_pdk 
 SKYWATER_PATH = @SKY130_SOURCE_PATH@
 
 # Path to OSU standard cell library sources (to be added to configuration options).
@@ -304,7 +293,7 @@
 	${MAKE} vendor-a
 	echo "Ended sky130A PDK staging on "`date` >> ${SKY130A}_install.log
 
-tools-a: general-a magic-a qflow-a netgen-a klayout-a openlane-a
+tools-a: $(addsuffix -a, $(TOOLS))
 
 general-a: ${TECH}.json
 	mkdir -p ${STAGING_PATH}/${SKY130A}/${CONFIG_DIR}
diff --git a/sky130/pdk_url b/sky130/pdk_url
new file mode 100644
index 0000000..11a17e1
--- /dev/null
+++ b/sky130/pdk_url
@@ -0,0 +1 @@
+https://github.com/google/skywater-pdk/archive/master.tar.gz
\ No newline at end of file