* (2/3) cleanup : use $CXXFLAGS instead $NEEDED_FLAGS

Makefile.bsd

@@ -1,6 +1,5 @@
 CXX = g++
-CXXFLAGS = -O2
-NEEDED_CXXFLAGS = -std=c++11
+CXXFLAGS = -g -Wall -O2 -std=c++11
 INCFLAGS = -I/usr/include/ -I/usr/local/include/
 LDFLAGS = -Wl,-rpath,/usr/local/lib -L/usr/local/lib
 LDLIBS = -lcryptopp -lboost_system -lboost_date_time -lboost_filesystem -lboost_regex -lboost_program_options -lpthread