diff -Naur src.orig/Makefile src/Makefile
--- src.orig/Makefile	2024-11-17 18:24:00.000000000 +0100
+++ src/Makefile	2024-12-18 20:10:30.311297575 +0100
@@ -144,9 +144,6 @@
 	OUT	:= $(if $(OUT),$(OUT),../out-x86_32/)
 	CFLAGS	+= -m32
 	LFLAGS	+= -m32
-	TARGETS	+= $(OUT)aprsmap-x86_32
-else ifneq ($(HOSTOS),Darwin)
-TARGETS		+= $(OUT)aprsmap-x86_64
 endif
 OUT		:= $(if $(OUT),$(OUT),../out-x86_64/)
 # -------------------------- x86_32 (default) specific ------------------------
@@ -528,7 +525,7 @@
 
 $(OUT)waterfall3: $(OBJ_WATERFALL3) $(OBJ_COMMON)
 	@echo [ linking ] $@
-	$(CC) $(LFLAGS) -o $@ $(OBJ_WATERFALL3) $(OBJ_COMMON) $(GFXLIBS) $(EXTLIB)libfftw3.a -lm
+	$(CC) $(LFLAGS) -o $@ $(OBJ_WATERFALL3) $(OBJ_COMMON) $(GFXLIBS) -lfftw3 -lm
 	@$(STRIP) $@ $(STRIPFLAGS)
 
 $(OUT)downsample: $(OBJ_DOWNSAMPLE) $(OBJ_COMMON)