--- Makefile
+++ Makefile
@@ -110,9 +110,9 @@
 PREFIX =
 SHELL       = /bin/sh
 #ARCH        = LINUX
-CC          = $(PREFIX)gcc
+CC         ?= $(PREFIX)gcc
 CLINKER     = $(CC)
-CXX         = $(PREFIX)g++
+CXX        ?= $(PREFIX)g++
 CCLINKER    = $(CXX)
 #OPTFLAGS    = -O2 -DGMPRATIONAL -DNDEBUG
 # Note that gcc produces wrong code with -O3
@@ -125,7 +125,7 @@
 #OPTFLAGS    =  -DGMPRATIONAL -Wuninitialized -fno-omit-frame-pointer -O3 -msse2 -ftree-vectorizer-verbose=2 -ffast-math #-DNDEBUG
 #OPTFLAGS    =  -DGMPRATIONAL -Wuninitialized -fno-omit-frame-pointer -O3 -mavx -msse2 -ftree-vectorizer-verbose=2 -ffast-math #-DNDEBUG
 
-CFLAGS	  = $(OPTFLAGS) $(GPROFFLAG) $(STACTDUMP_OPTIONS) $(ADDITIONALINCLUDEOPTIONS) -std=c++0x -g $(CDDDEFINE_PREFIX) #-pedantic
+CFLAGS	 += $(OPTFLAGS) $(GPROFFLAG) $(STACTDUMP_OPTIONS) $(ADDITIONALINCLUDEOPTIONS) -g $(CDDDEFINE_PREFIX) #-pedantic
 #CFLAGS	  = $(OPTFLAGS) $(GPROFFLAG) $(STACTDUMP_OPTIONS) $(ADDITIONALINCLUDEOPTIONS) -D_GLIBCXX_DEBUG -std=c++0x -g $(CDDDEFINE_PREFIX) #-pedantic
 CCFLAGS	  = $(CFLAGS)
 FFLAGS	  = $(OPTFLAGS)
@@ -420,7 +421,7 @@
 
 $(MAIN): $(OBJECTS)
 #	$(CCLINKER) $(OBJECTS) $(ADDITIONALLINKOPTIONS) $(GPROFFLAG) -lpthread  -o $(MAIN)
-	$(CCLINKER) $(OBJECTS) $(ADDITIONALLINKOPTIONS) $(GPROFFLAG) -lpthread -rdynamic -o $(MAIN)
+	$(CCLINKER) $(OBJECTS) $(ADDITIONALLINKOPTIONS) $(GPROFFLAG) $(LDFLAGS) -lpthread -dynamic -o $(MAIN)
 
 release:
 	rm -f -r $(RELEASEDIR)/*