diff --git a/.gitignore b/.gitignore
index 69ff7396..f422c7f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-/demo
+/build/
+/nextpnr-dummy
diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..2ddcb724
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,30 @@
+archs = dummy
+common_objs = design.o
+dummy_objs = chip.o main.o
+
+CXX = clang
+CXXFLAGS = -ggdb -MD -std=c++11 -O2 -Icommon
+LDFLAGS = -ggdb
+LDLIBS = -lstdc++
+
+define binaries
+all:: nextpnr-$(1)
+
+nextpnr-$(1): $$(addprefix build/$(1)-common-,$$(common_objs)) $$(addprefix build/$(1)-arch-,$$($(1)_objs))
+	$$(CXX) -o $$@ $$(LDFLAGS) -I$(1) $$^ $$(LDLIBS)
+
+build/$(1)-common-%.o: common/%.cc
+	@mkdir -p build
+	$$(CXX) -c -o $$@ -D$$(shell echo arch_$(1) | tr a-z A-Z) $$(CXXFLAGS) -I$(1) $$<
+
+build/$(1)-arch-%.o: $(1)/%.cc
+	@mkdir -p build
+	$$(CXX) -c -o $$@ -D$$(shell echo arch_$(1) | tr a-z A-Z) $$(CXXFLAGS) -I$(1) $$<
+endef
+
+$(foreach arch,$(archs),$(eval $(call binaries,$(arch))))
+
+clean:
+	rm -rf $(addprefix nextpnr-,$(archs)) build
+
+-include build/*.d
diff --git a/common/design.cc b/common/design.cc
new file mode 100644
index 00000000..7ba6a9b1
--- /dev/null
+++ b/common/design.cc
@@ -0,0 +1,21 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Clifford Wolf <clifford@clifford.at>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "design.h"
+
diff --git a/common/design.h b/common/design.h
index 421937eb..1b45895e 100644
--- a/common/design.h
+++ b/common/design.h
@@ -1,5 +1,5 @@
 /*
- *  nextpnr -- Next Generation PnR
+ *  nextpnr -- Next Generation Place and Route
  *
  *  Copyright (C) 2018  Clifford Wolf <clifford@clifford.at>
  *
diff --git a/dummy/chip.cc b/dummy/chip.cc
index 58b55ec9..df7590ee 100644
--- a/dummy/chip.cc
+++ b/dummy/chip.cc
@@ -1,3 +1,22 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Clifford Wolf <clifford@clifford.at>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
 #include "chip.h"
 
 Chip::Chip(ChipArgs)
diff --git a/dummy/chip.h b/dummy/chip.h
index 07202e22..ec497e0e 100644
--- a/dummy/chip.h
+++ b/dummy/chip.h
@@ -1,5 +1,5 @@
 /*
- *  nextpnr -- Next Generation PnR
+ *  nextpnr -- Next Generation Place and Route
  *
  *  Copyright (C) 2018  Clifford Wolf <clifford@clifford.at>
  *
diff --git a/dummy/main.cc b/dummy/main.cc
index 01050d24..e3a784ca 100644
--- a/dummy/main.cc
+++ b/dummy/main.cc
@@ -1,4 +1,23 @@
-#include "database.h"
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Clifford Wolf <clifford@clifford.at>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "design.h"
 
 int main()
 {