minor adjustments to Makefile

Makefile

@@ -7,27 +7,27 @@
 
 ########## Variables ##########
 
-CXX = g++					# compiler
+CXX = g++						# compiler
 CXXFLAGS = -std=c++20 -g -Wall -MMD -O0			# compiler flags
-MAKEFILE_NAME = ${firstword ${MAKEFILE_LIST}}	# makefile name
+MAKEFILE_NAME = ${firstword ${MAKEFILE_LIST}}		# makefile name
 
-SOURCES = $(wildcard src/*.cc)			# source files (*.cc)
-OBJECTS = ${SOURCES:.cc=.o}			# object files forming executable
-DEPENDS = ${OBJECTS:.o=.d}			# substitute ".o" with ".d"
+SOURCES = $(wildcard src/*.cc)				# source files (*.cc)
+OBJECTS = ${SOURCES:.cc=.o}				# object files forming executable
+DEPENDS = ${OBJECTS:.o=.d}				# substitute ".o" with ".d"
 EXEC	= bin/cc3k					# executable name
 
 ########## Targets ##########
 
-.PHONY : clean					# not file names
+.PHONY : clean						# not file names
 
-${EXEC} : ${OBJECTS}				# link step
-	${CXX} ${CXXFLAGS} $^ -o $@ -lncurses		# additional object files before $^
+${EXEC} : ${OBJECTS}					# link step
+	${CXX} ${CXXFLAGS} -O0 $^ -o $@ -lncurses	# additional object files before $^
 
-${OBJECTS} : ${MAKEFILE_NAME}			# OPTIONAL : changes to this file => recompile
+${OBJECTS} : ${MAKEFILE_NAME}				# OPTIONAL : changes to this file => recompile
 
 # make implicitly generates rules to compile C++ files that generate .o files
 
--include ${DEPENDS}				# include *.d files containing program dependences
+-include ${DEPENDS}					# include *.d files containing program dependences
 
-clean :						# remove files that can be regenerated
+clean :							# remove files that can be regenerated
 	rm -f ${DEPENDS} ${OBJECTS} ${EXEC}