diff --git a/Makefile.os4 b/Makefile.os4
index 51031b68..38934e44 100644
--- a/Makefile.os4
+++ b/Makefile.os4
@@ -17,18 +17,23 @@ cxxcompiler := g++
 INCPATH := -Isrc -Ilib/dmon -I/sdk/local/newlib/include/SDL2 \
 	-I/sdk/local/common/include/lua52 -I/sdk/local/common/include/freetype2
 	
-DFLAGS := -D__USE_INLINE__ -DLITE_XL_DATA_USE_EXEDIR
-# -DLITE_USE_SDL_RENDERER
-# -Wextra -Wall
+DFLAGS += -D__USE_INLINE__ -DLITE_XL_DATA_USE_EXEDIR 
 
-CFLAGS :=  -Werror -Wwrite-strings -O2 -g -gstabs -std=gnu11 -fno-strict-aliasing
-# "-gstabs -finstrument-functions -fno-inline -DPROFILING"
+CFLAGS += -Werror -Wwrite-strings -O2 -g -std=gnu11 -fno-strict-aliasing
 
-LFLAGS := -mcrt=newlib -static-libgcc -static-libstdc++ -lauto \
-	-lpcre2 -lSDL2 -llua52 -lagg -lfreetype -lz -lm \
-	-lpthread -athread=native -gstabs
-# -lprofyle
+LFLAGS += -mcrt=newlib -lauto \
+	-lpcre2 -lSDL2 -llua52 -lfreetype -lz -lm -lpthread -athread=native 
 
+ifeq ($(DEBUG),1)
+CFLAGS += -gstabs
+LFLAGS += -gstabs
+
+ifeq ($(PROFYLER),1)
+CFLAGS += -finstrument-functions -fno-inline -DPROFILING
+LFLAGS += -lprofyle
+endif
+
+endif
 
 
 .PHONY: LiteXL clean release
@@ -46,7 +51,7 @@ LiteXL: $(LiteXL_OBJ)
 
 .c.o:
 	@echo "Compiling $<"
-	@$(compiler) -c $< -o $*.o $(CFLAGS) $(INCPATH) $(DFLAGS)
+	$(compiler) -c $< -o $*.o $(CFLAGS) $(INCPATH) $(DFLAGS)
 
 src/dirmonitor.o: src/dirmonitor.c src/platform/amigaos4.h
 
diff --git a/src/platform/amigaos4.c b/src/platform/amigaos4.c
index e3af2af5..34b178e4 100644
--- a/src/platform/amigaos4.c
+++ b/src/platform/amigaos4.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <profyle.h>
 
 #include "amigaos4.h"