base commit for travisCI auto testing
diff --git a/.travisCI/Makefile b/.travisCI/Makefile
new file mode 100644
index 0000000..5d0140a
--- /dev/null
+++ b/.travisCI/Makefile
@@ -0,0 +1,66 @@
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Adopted from OpenLANE's Makefile.
+
+OPEN_PDKS_ROOT ?= $(shell pwd)/..
+THREADS ?= $(shell nproc)
+STD_CELL_LIBRARY ?= sky130_fd_sc_hd
+SKYWATER_COMMIT ?= 5cd70ed19fee8ea37c4e8dbd5c5c3eaa9886dd23
+
+.DEFAULT_GOAL := all
+
+.PHONY: all
+all: pdk
+
+.PHONY: pdk
+pdk: skywater-pdk skywater-library build-pdk
+
+$(PDK_ROOT)/skywater-pdk:
+ git clone https://github.com/google/skywater-pdk.git $(PDK_ROOT)/skywater-pdk
+
+.PHONY: skywater-pdk
+skywater-pdk: $(PDK_ROOT)/skywater-pdk
+ cd $(PDK_ROOT)/skywater-pdk && \
+ git checkout -qf $(SKYWATER_COMMIT)
+
+.PHONY: skywater-library
+skywater-library: $(PDK_ROOT)/skywater-pdk
+ cd $(PDK_ROOT)/skywater-pdk && \
+ git submodule update --init libraries/$(STD_CELL_LIBRARY)/latest && \
+ $(MAKE) -j$(THREADS) $(STD_CELL_LIBRARY)
+
+.PHONY: all-skywater-libraries
+all-skywater-libraries: skywater-pdk
+ cd $(PDK_ROOT)/skywater-pdk && \
+ git submodule update --init libraries/sky130_fd_sc_hd/latest && \
+ git submodule update --init libraries/sky130_fd_sc_hs/latest && \
+ git submodule update --init libraries/sky130_fd_sc_hdll/latest && \
+ git submodule update --init libraries/sky130_fd_sc_ms/latest && \
+ git submodule update --init libraries/sky130_fd_sc_ls/latest && \
+ $(MAKE) -j$(THREADS) timing
+
+.PHONY: build-pdk
+build-pdk: $(PDK_ROOT)/skywater-pdk
+ [[ -d $(PDK_ROOT)/sky130A ]] && \
+ (echo "Warning: A sky130A build already exists under $(PDK_ROOT). It will be deleted first!" && \
+ sleep 5 && \
+ rm -rf $(PDK_ROOT)/sky130A) || \
+ true
+ cd $(OPEN_PDKS_ROOT) && \
+ ./configure --with-sky130-source=$(PDK_ROOT)/skywater-pdk/libraries --with-sky130-local-path=$(PDK_ROOT) && \
+ cd sky130 && \
+ $(MAKE) veryclean && \
+ $(MAKE) && \
+ $(MAKE) install-local
