edit

Makefile

@@ -1,5 +1,5 @@
 #
-# 'make'        build executable file 'main'
+# 'make'        build executable file 'VideoConverter'
 # 'make clean'  removes all .o and executable files
 #
 
@@ -7,94 +7,43 @@
 CXX = g++
 
 # define any compile-time flags
-CXXFLAGS	:= -std=c++17 -Wall -Wextra -g $(shell pkg-config --cflags gtk+-3.0)
-
-# define library paths in addition to /usr/lib
-#   if I wanted to include libraries not in /usr/lib I'd specify
-#   their path using -Lpath, something like:
-LFLAGS =
+CXXFLAGS = -std=c++17 -Wall -Wextra -g
 
 # define output directory
-OUTPUT	:= output
+OUTPUT = output
 
 # define source directory
-SRC		:= src
+SRC = src
 
-# define include directory
-INCLUDE	:= include
-
-# define lib directory
-LIB		:= lib
-
-ifeq ($(OS),Windows_NT)
-MAIN	:= main.exe
-SOURCEDIRS	:= $(SRC)
-INCLUDEDIRS	:= $(INCLUDE)
-LIBDIRS		:= $(LIB)
-FIXPATH = $(subst /,\,$1)
-RM			:= del /q /f
-MD	:= mkdir
-else
-MAIN	:= main
-SOURCEDIRS	:= $(shell find $(SRC) -type d)
-INCLUDEDIRS	:= $(shell find $(INCLUDE) -type d)
-LIBDIRS		:= $(shell find $(LIB) -type d)
-FIXPATH = $1
-RM = rm -f
-MD	:= mkdir -p
-endif
-
-# define any directories containing header files other than /usr/include
-INCLUDES	:= $(patsubst %,-I%, $(INCLUDEDIRS:%/=%))
-
-# define the C libs
-LIBS		:= $(patsubst %,-L%, $(LIBDIRS:%/=%))
-LIBS += $(shell pkg-config --libs gtk+-3.0)
+# define the main executable name
+MAIN = VideoConverter
 
 # define the C source files
-SOURCES		:= $(wildcard $(patsubst %,%/*.cpp, $(SOURCEDIRS)))
+SOURCES = $(wildcard $(SRC)/*.cpp)
 
 # define the C object files
-OBJECTS		:= $(SOURCES:.cpp=.o)
+OBJECTS = $(SOURCES:.cpp=.o)
 
-# define the dependency output files
-DEPS		:= $(OBJECTS:.o=.d)
+OUTPUTMAIN = $(OUTPUT)/$(MAIN)
 
-#
-# The following part of the makefile is generic; it can be used to
-# build any executable just by changing the definitions above and by
-# deleting dependencies appended to the file from 'make depend'
-#
-
-OUTPUTMAIN	:= $(call FIXPATH,$(OUTPUT)/$(MAIN))
-
-all: $(OUTPUT) $(MAIN)
+all: $(OUTPUT) $(OUTPUTMAIN)
+	@echo "Building executable: $(MAIN)"
 	@echo Executing 'all' complete!
 
 $(OUTPUT):
-	$(MD) $(OUTPUT)
+	mkdir -p $(OUTPUT)
 
-$(MAIN): $(OBJECTS)
-	$(CXX) $(CXXFLAGS) $(INCLUDES) -o $(OUTPUTMAIN) $(OBJECTS) $(LFLAGS) $(LIBS)
-
-# include all .d files
--include $(DEPS)
-
-# this is a suffix replacement rule for building .o's and .d's from .c's
-# it uses automatic variables $<: the name of the prerequisite of
-# the rule(a .c file) and $@: the name of the target of the rule (a .o file)
-# -MMD generates dependency output files same name as the .o file
-# (see the gnu make manual section about automatic variables)
-.cpp.o:
-	$(CXX) $(CXXFLAGS) $(INCLUDES) -c -MMD $<  -o $@
+$(OUTPUTMAIN): $(OBJECTS)
+	$(CXX) $(CXXFLAGS) -o $(OUTPUTMAIN) $(OBJECTS)
 
 .PHONY: clean
 clean:
-	$(RM) $(OUTPUTMAIN)
-	$(RM) $(call FIXPATH,$(OBJECTS))
-	$(RM) $(call FIXPATH,$(DEPS))
+	@echo "Cleaning up..."
+	rm -f $(OUTPUTMAIN)
+	rm -f $(OBJECTS)
 	@echo Cleanup complete!
 
 run: all
+	@echo "Running executable: $(OUTPUTMAIN)"
 	./$(OUTPUTMAIN)
 	@echo Executing 'run: all' complete!