[Makefile] add make antenna-X target for antenna checks on GDS
diff --git a/Makefile b/Makefile
index 526fb2e..0ec5ead 100644
--- a/Makefile
+++ b/Makefile
@@ -157,6 +157,15 @@
cd gds && export DESIGN_IN_DRC=$* && export MAGTYPE=mag; magic -rcfile ${PDK_ROOT}/sky130A/libs.tech/magic/current/sky130A.magicrc -noc -dnull drc_on_gds.tcl < /dev/null
@echo "DRC result: ./gds/tmp/$*.drc"
+# Antenna
+BLOCKS = $(shell cd openlane && find * -maxdepth 0 -type d)
+ANTENNA_BLOCKS = $(foreach block, $(BLOCKS), antenna-$(block))
+$(ANTENNA_BLOCKS): antenna-% : ./gds/%.gds
+ echo "Running Antenna Checks on $*"
+ mkdir -p ./gds/tmp
+ cd gds && export DESIGN_IN_ANTENNA=$* && export MAGTYPE=mag; magic -rcfile ${PDK_ROOT}/sky130A/libs.tech/magic/current/sky130A.magicrc -noc -dnull antenna_on_gds.tcl < /dev/null 2>&1 | tee ./tmp/$*.antenna
+ @echo "Antenna result: ./gds/tmp/$*.antenna"
+
mag2gds: check-env
echo "\
gds readonly true; \
