Replace leading spaces with tabs

makefile

@@ -26,15 +26,15 @@ ifeq  ($(strip $(64BIT_VERSION)),yes)
     #CXX = g++44
 
     #if you are a mac user use the following line
-    TARGET_ARCH += -arch x86_64
+    #TARGET_ARCH += -arch x86_64
 
     #if you using cygwin to build Windows the following line
     #CXX = x86_64-w64-mingw32-g++
     #CC = x86_64-w64-mingw32-g++
     #TARGET_ARCH += -m64 -static
 
     #if you are a linux user use the following line
-    #CXXFLAGS += -mtune=native -march=native
+    CXXFLAGS += -mtune=native -march=native
 
     CXXFLAGS += -DBIT_VERSION
 endif
@@ -110,29 +110,29 @@ endif
     OBJECTS+=$(patsubst %.c,%.o,$(wildcard *.c))
 
 mothur : $(OBJECTS) uchime
-    $(CXX) $(LDFLAGS) $(TARGET_ARCH) -o $@ $(OBJECTS) $(LIBS)
-    strip mothur
+	$(CXX) $(LDFLAGS) $(TARGET_ARCH) -o $@ $(OBJECTS) $(LIBS)
+	strip mothur
 
 
 uchime:
-    cd source/uchime_src && ./mk && mv uchime .. && cd ..
+	cd source/uchime_src && ./mk && mv uchime .. && cd ..
 
 
 install : mothur uchime
-    mv mothur ..
-    mv uchime ..
+	mv mothur ..
+	mv uchime ..
 
 
 %.o : %.c %.h
-    $(COMPILE.c) $(OUTPUT_OPTION) $<
+	$(COMPILE.c) $(OUTPUT_OPTION) $<
 %.o : %.cpp %.h
-    $(COMPILE.cpp) $(OUTPUT_OPTION) $<
+	$(COMPILE.cpp) $(OUTPUT_OPTION) $<
 %.o : %.cpp %.hpp
-    $(COMPILE.cpp) $(OUTPUT_OPTION) $<
+	$(COMPILE.cpp) $(OUTPUT_OPTION) $<
 
 
 
 clean :
-    @rm -f $(OBJECTS)
-    @rm -f uchime
+	@rm -f $(OBJECTS)
+	@rm -f uchime