diff --git a/README.md b/README.md
index 3a6af15..7744a35 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ bash conda_installer.sh -b -p $INSTALL_DIR/conda && rm conda_installer.sh
 source "$INSTALL_DIR/conda/etc/profile.d/conda.sh"
 conda env create -f examples/xc7/environment.yml
 conda activate xc7
-wget -qO- https://storage.googleapis.com/symbiflow-arch-defs/artifacts/prod/foss-fpga-tools/symbiflow-arch-defs/continuous/install/4/20200416-002215/symbiflow-arch-defs-install-a321d9d9.tar.xz | tar -xJ -C $INSTALL_DIR
+wget -qO- https://storage.googleapis.com/symbiflow-arch-defs/artifacts/prod/foss-fpga-tools/symbiflow-arch-defs/presubmit/install/477/20200714-082108/symbiflow-arch-defs-install-8eb88e76.tar.xz | tar -xJ --one-top-level=$INSTALL_DIR/install
 conda deactivate
 ```
 
diff --git a/examples/xc7/counter_test/Makefile b/examples/xc7/counter_test/Makefile
index b1b573c..8e416f3 100644
--- a/examples/xc7/counter_test/Makefile
+++ b/examples/xc7/counter_test/Makefile
@@ -21,22 +21,22 @@ ${BUILDDIR}:
 	mkdir ${BUILDDIR}
 
 ${BUILDDIR}/${TOP}.eblif: | ${BUILDDIR}
-	cd ${BUILDDIR} && synth -t ${TOP} -v ${VERILOG} -d ${BITSTREAM_DEVICE} -p ${PARTNAME}
+	cd ${BUILDDIR} && symbiflow_synth -t ${TOP} -v ${VERILOG} -d ${BITSTREAM_DEVICE} -p ${PARTNAME}
 
 ${BUILDDIR}/${TOP}.net: ${BUILDDIR}/${TOP}.eblif
-	cd ${BUILDDIR} && pack -e ${TOP}.eblif -d ${DEVICE} -s ${SDC}
+	cd ${BUILDDIR} && symbiflow_pack -e ${TOP}.eblif -d ${DEVICE} -s ${SDC}
 
 ${BUILDDIR}/${TOP}.place: ${BUILDDIR}/${TOP}.net
-	cd ${BUILDDIR} && place -e ${TOP}.eblif -d ${DEVICE} -p ${PCF} -n ${TOP}.net -P ${PARTNAME} -s ${SDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_place -e ${TOP}.eblif -d ${DEVICE} -p ${PCF} -n ${TOP}.net -P ${PARTNAME} -s ${SDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.route: ${BUILDDIR}/${TOP}.place
-	cd ${BUILDDIR} && route -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_route -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.fasm: ${BUILDDIR}/${TOP}.route
-	cd ${BUILDDIR} && write_fasm -e ${TOP}.eblif -d ${DEVICE}
+	cd ${BUILDDIR} && symbiflow_write_fasm -e ${TOP}.eblif -d ${DEVICE}
 
 ${BUILDDIR}/${TOP}.bit: ${BUILDDIR}/${TOP}.fasm
-	cd ${BUILDDIR} && write_bitstream -d ${BITSTREAM_DEVICE} -f ${TOP}.fasm -p ${PARTNAME} -b ${TOP}.bit
+	cd ${BUILDDIR} && symbiflow_write_bitstream -d ${BITSTREAM_DEVICE} -f ${TOP}.fasm -p ${PARTNAME} -b ${TOP}.bit
 
 clean:
 	rm -rf ${BUILDDIR}
diff --git a/examples/xc7/environment.yml b/examples/xc7/environment.yml
index d00ac83..4c047d9 100644
--- a/examples/xc7/environment.yml
+++ b/examples/xc7/environment.yml
@@ -4,7 +4,9 @@ channels:
 dependencies:
   - symbiflow::symbiflow-yosys=0.8_3925_g6bccd35a
   - symbiflow::symbiflow-yosys-plugins=1.0.0.7_0032_g104f4fc
-  - symbiflow::symbiflow-vtr=8.0.0.rc2_3575_g253f75b6d
+  - symbiflow::symbiflow-vtr=8.0.0.rc2_4003_g8980e4621
+  - symbiflow::prjxray-tools
+  - symbiflow::prjxray-db
   - make
   - lxml
   - simplejson
diff --git a/examples/xc7/linux_litex_demo/Makefile b/examples/xc7/linux_litex_demo/Makefile
index 2e827e5..ba217e5 100644
--- a/examples/xc7/linux_litex_demo/Makefile
+++ b/examples/xc7/linux_litex_demo/Makefile
@@ -21,22 +21,22 @@ ${BUILDDIR}:
 	ln -s ${MEM_INIT} ${BUILDDIR}
 
 ${BUILDDIR}/${TOP}.eblif: | ${BUILDDIR}
-	cd ${BUILDDIR} && synth -t ${TOP} -v ${VERILOG} -d ${BITSTREAM_DEVICE} -p ${PARTNAME} -x ${XDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_synth -t ${TOP} -v ${VERILOG} -d ${BITSTREAM_DEVICE} -p ${PARTNAME} -x ${XDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.net: ${BUILDDIR}/${TOP}.eblif
-	cd ${BUILDDIR} && pack -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_pack -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.place: ${BUILDDIR}/${TOP}.net
-	cd ${BUILDDIR} && place -e ${TOP}.eblif -d ${DEVICE} -p ${PCF} -n ${TOP}.net -P ${PARTNAME} -s ${SDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_place -e ${TOP}.eblif -d ${DEVICE} -p ${PCF} -n ${TOP}.net -P ${PARTNAME} -s ${SDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.route: ${BUILDDIR}/${TOP}.place
-	cd ${BUILDDIR} && route -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_route -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.fasm: ${BUILDDIR}/${TOP}.route
-	cd ${BUILDDIR} && write_fasm -e ${TOP}.eblif -d ${DEVICE}
+	cd ${BUILDDIR} && symbiflow_write_fasm -e ${TOP}.eblif -d ${DEVICE}
 
 ${BUILDDIR}/${TOP}.bit: ${BUILDDIR}/${TOP}.fasm
-	cd ${BUILDDIR} && write_bitstream -d ${BITSTREAM_DEVICE} -f ${TOP}.fasm -p ${PARTNAME} -b ${TOP}.bit
+	cd ${BUILDDIR} && symbiflow_write_bitstream -d ${BITSTREAM_DEVICE} -f ${TOP}.fasm -p ${PARTNAME} -b ${TOP}.bit
 
 clean:
 	rm -rf ${BUILDDIR}
diff --git a/examples/xc7/picosoc_demo/Makefile b/examples/xc7/picosoc_demo/Makefile
index 2cee35b..fb70132 100644
--- a/examples/xc7/picosoc_demo/Makefile
+++ b/examples/xc7/picosoc_demo/Makefile
@@ -19,22 +19,22 @@ ${BUILDDIR}:
 	mkdir ${BUILDDIR}
 
 ${BUILDDIR}/${TOP}.eblif: | ${BUILDDIR}
-	cd ${BUILDDIR} && synth -t ${TOP} -v ${VERILOG} -d ${BITSTREAM_DEVICE} -p ${PARTNAME} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_synth -t ${TOP} -v ${VERILOG} -d ${BITSTREAM_DEVICE} -p ${PARTNAME} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.net: ${BUILDDIR}/${TOP}.eblif
-	cd ${BUILDDIR} && pack -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_pack -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.place: ${BUILDDIR}/${TOP}.net
-	cd ${BUILDDIR} && place -e ${TOP}.eblif -d ${DEVICE} -p ${PCF} -n ${TOP}.net -P ${PARTNAME} -s ${SDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_place -e ${TOP}.eblif -d ${DEVICE} -p ${PCF} -n ${TOP}.net -P ${PARTNAME} -s ${SDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.route: ${BUILDDIR}/${TOP}.place
-	cd ${BUILDDIR} && route -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
+	cd ${BUILDDIR} && symbiflow_route -e ${TOP}.eblif -d ${DEVICE} -s ${SDC} 2>&1 > /dev/null
 
 ${BUILDDIR}/${TOP}.fasm: ${BUILDDIR}/${TOP}.route
-	cd ${BUILDDIR} && write_fasm -e ${TOP}.eblif -d ${DEVICE}
+	cd ${BUILDDIR} && symbiflow_write_fasm -e ${TOP}.eblif -d ${DEVICE}
 
 ${BUILDDIR}/${TOP}.bit: ${BUILDDIR}/${TOP}.fasm
-	cd ${BUILDDIR} && write_bitstream -d ${BITSTREAM_DEVICE} -f ${TOP}.fasm -p ${PARTNAME} -b ${TOP}.bit
+	cd ${BUILDDIR} && symbiflow_write_bitstream -d ${BITSTREAM_DEVICE} -f ${TOP}.fasm -p ${PARTNAME} -b ${TOP}.bit
 
 clean:
 	rm -rf ${BUILDDIR}
diff --git a/examples/xc7/requirements.txt b/examples/xc7/requirements.txt
index 370fd2e..a3e6a7d 100644
--- a/examples/xc7/requirements.txt
+++ b/examples/xc7/requirements.txt
@@ -1,2 +1,3 @@
 python-constraint
 git+https://github.com/symbiflow/fasm
+git+https://github.com/symbiflow/xc-fasm