Clean up build system

Makefile

@@ -75,7 +75,7 @@ include compile.mk
 
 dist: all
 ifndef VERSION
-	$(error VERSION must be defined when calling make)
+	$(error VERSION must be defined when making distributables)
 endif
 	rm -rf dist
 	$(MAKE) -C plugins/Fundamental dist

compile.mk

@@ -42,16 +42,6 @@ DEPS = $(patsubst %, build/%.d, $(SOURCES))
 $(TARGET): $(OBJECTS)
 	$(CXX) -o $@ $^ $(LDFLAGS)
 
-%.so:
-	$(CXX) -o $@ $^ $(LDFLAGS)
-
-%.dylib:
-	$(CXX) -o $@ $^ $(LDFLAGS)
-
-%.dll:
-	$(CXX) -o $@ $^ $(LDFLAGS)
-
-# Object targets
 
 -include $(DEPS)
 

plugin.mk

@@ -8,21 +8,23 @@ include ../../arch.mk
 
 ifeq ($(ARCH), lin)
 	LDFLAGS += -shared
-	PLUGIN_EXTENSION = so
+	TARGET = plugin.so
 endif
 
 ifeq ($(ARCH), mac)
 	LDFLAGS += -shared -undefined dynamic_lookup
-	PLUGIN_EXTENSION = dylib
+	TARGET = plugin.dylib
 endif
 
 ifeq ($(ARCH), win)
 	LDFLAGS += -shared -L../../ -lRack
-	PLUGIN_EXTENSION = dll
+	TARGET = plugin.dll
 endif
 
 
-clean:
-	rm -rfv build *.$(PLUGIN_EXTENSION) dist
+all: $(TARGET)
 
 include ../../compile.mk
+
+clean:
+	rm -rfv build $(TARGET) dist