Use generic strip in Makefiles

Makefile

@@ -11,6 +11,7 @@ endif
 
 include arch.mk
 
+STRIP ?= strip
 
 # Sources and build flags
 
@@ -111,7 +112,7 @@ ifeq ($(ARCH), mac)
 
 	mkdir -p $(BUNDLE)/Contents/MacOS
 	cp $(TARGET) $(BUNDLE)/Contents/MacOS/
-	strip -S $(BUNDLE)/Contents/MacOS/$(TARGET)
+	$(STRIP) -S $(BUNDLE)/Contents/MacOS/$(TARGET)
 	cp icon.icns $(BUNDLE)/Contents/Resources/
 
 	otool -L $(BUNDLE)/Contents/MacOS/$(TARGET)
@@ -156,7 +157,7 @@ ifeq ($(ARCH), win)
 	cp Bridge/vst/dist/VCV-Bridge-32.dll dist/Rack/Bridge/
 	cp -R LICENSE* res dist/Rack/
 	cp $(TARGET) dist/Rack/
-	strip -s dist/Rack/$(TARGET)
+	$(STRIP) -s dist/Rack/$(TARGET)
 	cp /mingw64/bin/libwinpthread-1.dll dist/Rack/
 	cp /mingw64/bin/zlib1.dll dist/Rack/
 	cp /mingw64/bin/libstdc++-6.dll dist/Rack/
@@ -182,7 +183,7 @@ ifeq ($(ARCH), lin)
 	mkdir -p dist/Rack
 	cp -R LICENSE* res dist/Rack/
 	cp $(TARGET) Rack.sh dist/Rack/
-	strip -s dist/Rack/$(TARGET)
+	$(STRIP) -s dist/Rack/$(TARGET)
 	cp dep/lib/libspeexdsp.so dist/Rack/
 	cp dep/lib/libjansson.so.4 dist/Rack/
 	cp dep/lib/libGLEW.so.2.1 dist/Rack/

arch.mk

@@ -2,7 +2,7 @@
 
 ifndef ARCH
 
-MACHINE = $(shell gcc -dumpmachine)
+MACHINE = $(shell $(CC) -dumpmachine)
 ifneq (, $(findstring linux, $(MACHINE)))
 	# Linux
 	ARCH = lin

plugin.mk

@@ -6,6 +6,8 @@ ifndef SLUG
 $(error SLUG is not defined)
 endif
 
+STRIP ?= strip
+
 FLAGS += -DSLUG=$(SLUG)
 FLAGS += -fPIC
 FLAGS += -I$(RACK_DIR)/include -I$(RACK_DIR)/dep/include
@@ -46,9 +48,9 @@ dist: all
 	# Strip and copy plugin binary
 	cp $(TARGET) dist/$(SLUG)/
 ifeq ($(ARCH), mac)
-	strip -S dist/$(SLUG)/$(TARGET)
+	$(STRIP) -S dist/$(SLUG)/$(TARGET)
 else
-	strip -s dist/$(SLUG)/$(TARGET)
+	$(STRIP) -s dist/$(SLUG)/$(TARGET)
 endif
 	# Copy distributables
 	cp -R $(DISTRIBUTABLES) dist/$(SLUG)/