--- softgun-0.22/config.mk
+++ softgun-0.22/config.mk
@@ -9,7 +9,7 @@ bindir=$(prefix)/bin
 libdir=$(prefix)/lib/softgun/
 
 #CFLAGS=-Wall -pg -O0 -DPROFILE 
-CFLAGS=-Wall -O9 -g -fomit-frame-pointer -fno-strict-overflow -Wstrict-overflow=3 -Wno-unused-but-set-variable 
-DEFS=-D_GNU_SOURCE
+CFLAGS+=-Wall -fno-strict-overflow -Wstrict-overflow=3 -Wno-unused-but-set-variable -fno-strict-aliasing
+DEFS=$(CPPFLAGS) -D_GNU_SOURCE
 INCLUDES:=-I$(top_srcdir) -I.
 
@@ -17,15 +17,16 @@ INCLUDES:=-I$(top_srcdir) -I.
 # to omit stack protection symbol in object file
 SHAREDCFLAGS=-fPIC -nostdlib  -D_SHARED_
 SHAREDLDFLAGS=-nostdlib -shared
-CYGWIN=$(findstring CYGWIN,$(shell uname))
-ifeq ($(shell uname),Linux)
-LDFLAGS=-lpthread -lrt -lm -lz -lasound 
+UNAME=$(shell uname)
+CYGWIN=$(findstring CYGWIN,$(UNAME))
+ifeq ($(UNAME),Linux)
+LDLIBS=-lpthread -ldl -lrt -lm -lz -lasound
 else
- ifeq ($(shell uname),FreeBSD)
- LDFLAGS=-lpthread -lm -lz -lSDL
+ ifeq ($(UNAME),FreeBSD)
+ LDLIBS=-lpthread -lm -lz -lSDL
  else
   ifeq ($(CYGWIN),CYGWIN)
-   LDFLAGS=-lpthread -lrt -lm -lz
+   LDLIBS=-lpthread -lrt -lm -lz
   else
    $(error "Unknown architecture $(shell uname)")
   endif
--- softgun-0.22/Makefile
+++ softgun-0.22/Makefile
@@ -116,7 +116,7 @@
 
 
 softgun: $(OBJS) 
-	$(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS)
+	$(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@ $(LDLIBS)
 
 boards/libboards.a:
 	$(MAKE) -C boards libboards.a
--- softgun-0.22/printer/module.mk
+++ softgun-0.22/printer/module.mk
@@ -5,5 +5,5 @@
 INSTALL_BINS += pcl3gui2png
 
 pcl3gui2png: $(PRINTER_OBJS) printer/pcl3gui2png.c 
-	$(CC) -o $@ $(PRINTER_OBJS) printer/pcl3gui2png.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ $^
 
--- softgun-0.22/tools/Makefile
+++ softgun-0.22/tools/Makefile
@@ -2,7 +2,7 @@ include ../config.mk
 
 ifeq ($(shell uname),Linux) 
 sg_tunctl: tunctl.c
-	$(CC) $(CFLAGS) tunctl.c -o sg_tunctl
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ $^
 
 install:
 	install -m 0755 sg_tunctl $(bindir)	
@@ -14,7 +14,7 @@ install:
 endif
 
 to_c_array: to_c_array.c
-	$(CC) $(CFLAGS) to_c_array.c -o to_c_array 
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ $^
 
 
 clean: