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