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MakeFiles and dependencies

I'm writing a makefile and I can't figure out how to include all my source files without having to write all source file I want to use. Here is the makefile I'm currently using:

GCC = $(GNUARM_HOME)\bin\arm-elf-gcc.exe
SOURCES=ShapeApp.cpp Square.cpp Circle.cpp Shape.cpp
OBJECTS=$(SO开发者_开发知识库URCES:.cpp=.o)
EXECUTABLE=hello

all: $(EXECUTABLE)

$(EXECUTABLE): $(OBJECTS) 
#$(CC) $(LDFLAGS) $(OBJECTS) -o $@

.cpp.o:
    $(GCC) -c $< -o $@

How do I automatically add new source file without having to add it to the sources line?


Here is something I have used in an examples/ directory where each file is mapped one-to-one to an executable:

sources :=   $(wildcard *.cpp)
programs :=  $(sources:.cpp=)

[ more settings about compiler flags, linker options, ...]


all :        $(programs)

That can be enough as make knows how to turn a .cpp file into an object file and then into an executable. Note that this is on Linux so for Windoze you'd probably need to do

programs :=     $(sources:.cpp=.exe)

to append the .exe.

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