message: Fix more CC uses
diff: @@ -55,8 +55,8 @@ include $(MATH)make/detect_cc
  ##
  # These includes should update the following variables
  # based on the OS:
  -# - CFLAGS
  -# - CFLAGS_GTEST
  +# - CXXFLAGS
  +# - GTEST_CXXFLAGS
  # - EXE
  ##
  include $(MATH)make/detect_os
  @@ -104,7 +104,7 @@ bin/%.d : src/%.cpp
  then \
  (set -e; \
  rm -f $@; \
  - $(CC) $(CFLAGS) -O$O $(TARGET_ARCH) -MM $< > $@.$$$$; \
  + $(COMPILE.cc) -O$O $(TARGET_ARCH) -MM $< > $@.$$$$; \
  sed -e 's,\($(notdir $*)\)\.o[ :]*,$(dir $@)\1.o $@ : ,g' < $@.$$$$ > $@; \
  rm -f $@.$$$$);\
  fi
  @@ -114,7 +114,7 @@ bin/%.d : src/%.cpp
  then \
  (set -e; \
  rm -f $@; \
  - $(CC) $(CFLAGS) -O$O $(TARGET_ARCH) -MM $< > $@.$$$$; \
  + $(COMPILE.cc) -O$O $(TARGET_ARCH) -MM $< > $@.$$$$; \
  sed -e 's,\($(notdir $*)\)\.o[ :]*,$(dir $@)\1.o $@ : ,g' < $@.$$$$ > $@; \
  rm -f $@.$$$$);\
  fi
  