diff --git a/Makefile b/Makefile
index 369ba30..ad52e70 100755
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 
 include Makefile.common
 
+all: snappy
 
 SNAPPY_ARCHIVE:=$(TARGET)/snappy-$(VERSION).tar.gz 
 
@@ -36,3 +37,8 @@ $(SNAPPY_OUT)/%.o : $(SRC)/org/xerial/snappy/SnappyNative.cpp
 $(SNAPPY_OUT)/$(LIBNAME): $(SNAPPY_OBJ)
 	$(CXX) $(CXXFLAGS) $(LINKFLAGS) -o $@ $* 
 	$(STRIP) $@
+
+clean-native: 
+	rm -rf $(SNAPPY_OBJ) $(SNAPPY_OUT)/$(LIBNAME)
+
+
diff --git a/Makefile.common b/Makefile.common
index ba2b14e..3344cf7 100755
--- a/Makefile.common
+++ b/Makefile.common
@@ -50,50 +50,52 @@ endif
 
 Default_CXX          := g++
 Default_STRIP        := strip
-Default_CXXFLAGS     := -I$(JAVA_HOME)/include -Ilib/inc_mac -Os -fPIC
-Default_LINKFLAGS    := -shared
+Default_CXXFLAGS     := -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC
+Default_LINKFLAGS    := -shared -static-libgcc
 Default_LIBNAME      := libsnappy.so
 Default_SNAPPY_FLAGS := 
 
 Linux-i386_CXX       := g++
 Linux-i386_STRIP     := strip
-Linux-i386_CXXFLAGS  := -I$(JAVA_HOME)/include -Ilib/inc_mac -Os -fPIC
-Linux-i386_LINKFLAGS := -shared
+Linux-i386_CXXFLAGS  := -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC
+Linux-i386_LINKFLAGS := -shared -static-libgcc
 Linux-i386_LIBNAME   := libsnappy.so
 Linux-i386_SNAPPY_FLAGS:= 
 
 Linux-amd64_CXX       := g++
 Linux-amd64_STRIP     := strip
-Linux-amd64_CXXFLAGS  := -I$(JAVA_HOME)/include -Ilib/inc_mac -Os -fPIC
-Linux-amd64_LINKFLAGS := -shared
+Linux-amd64_CXXFLAGS  := -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC
+Linux-amd64_LINKFLAGS := -shared -static-libgcc
 Linux-amd64_LIBNAME   := libsnappy.so
 Linux-amd64_SNAPPY_FLAGS  := 
 
 Mac-i386_CXX       := g++ -arch $(OS_ARCH) 
 Mac-i386_STRIP     := strip -x
-Mac-i386_CXXFLAGS  := -I$(JAVA_HOME)/include -Os -fPIC 
-Mac-i386_LINKFLAGS := -dynamiclib 
+Mac-i386_CXXFLAGS  := -I$(JAVA_HOME)/include -O2 -fPIC 
+Mac-i386_LINKFLAGS := -dynamiclib  -static-libgcc
 Mac-i386_LIBNAME   := libsnappy.jnilib
 Mac-i386_SNAPPY_FLAGS  :=
 
 Mac-x86_64_CXX       := g++ -arch $(OS_ARCH) 
 Mac-x86_64_STRIP     := strip -x
-Mac-x86_64_CXXFLAGS  := -I$(JAVA_HOME)/include -Os -fPIC 
-Mac-x86_64_LINKFLAGS := -dynamiclib 
-Mac-x86_64_LIBNAME   := libsnappy.jnilib
+Mac-x86_64_CXXFLAGS  := -I$(JAVA_HOME)/include -O2 -fPIC 
+Mac-x86_64_LINKFLAGS := -dynamiclib -static-libgcc
+Mac-x86_64_LIBNAME   := libsnappy.jnilib 
 Mac-x86_64_SNAPPY_FLAGS  := 
 
 Windows-x86_CXX          := mingw32-g++
 Windows-x86_STRIP        := strip
-Windows-x86_CXXFLAGS     :=  -Ilib/inc_win -O
-Windows-x86_LINKFLAGS    := -Wl,--kill-at -shared
+Windows-x86_CXXFLAGS     :=  -Ilib/inc_win -O2
+Windows-x86_LINKFLAGS    := -Wl,--kill-at -shared -static-libgcc
 Windows-x86_LIBNAME      := snappy.dll
 Windows-x86_SNAPPY_FLAGS := 
 
 Windows-amd64_CXX          := x86_64-w64-mingw32-g++
 Windows-amd64_STRIP        := x86_64-w64-mingw32-strip
-Windows-amd64_CXXFLAGS     :=  -Ilib/inc_win -O
-Windows-amd64_LINKFLAGS    := -Wl,--kill-at -shared
+#Windows-amd64_CXX          := g++
+#Windows-amd64_STRIP        := strip
+Windows-amd64_CXXFLAGS     := -Ilib/inc_win -O2
+Windows-amd64_LINKFLAGS    := -Wl,--kill-at -shared -static-libgcc
 Windows-amd64_LIBNAME      := snappy.dll
 Windows-amd64_SNAPPY_FLAGS := 
 
@@ -105,9 +107,9 @@ LINKFLAGS := $($(os_arch)_LINKFLAGS)
 LIBNAME   := $($(os_arch)_LIBNAME)
 SNAPPY_FLAGS := $($(os_arch)_SNAPPY_FLAGS)
 
-SNAPPY_OUT:=$(TARGET)/$(snappy)/$(os_arch)
+SNAPPY_OUT:=$(TARGET)/$(snappy)-$(os_arch)
 
-CXXFLAGS := $(CXXFLAGS) -I$(SNAPPY_OUT) -I$(SNAPPY_SRC)
+CXXFLAGS := $(CXXFLAGS)  -I$(SNAPPY_OUT) -I$(SNAPPY_SRC)
 ifneq ($(jni_include),)
 CXXFLAGS := $(CXXFLAGS) -I"$(jni_include)"
 endif
diff --git a/devnote.txt b/devnote.txt
index 9bcf73a..bd20f71 100755
--- a/devnote.txt
+++ b/devnote.txt
@@ -5,4 +5,6 @@ mingwin compile
 
 
 
--static-libgcc
+
+make  snappy CXX=/cygdrive/c/MinGW/bin/g++  
+