用于 linux 的最小 C++ 生成文件

minimum c++ make file for linux(用于 linux 的最小 C++ 生成文件)

问题描述

我正在寻找一个简单的推荐最小"c++ makefile for linux，它将使用 g++ 来编译和链接单个文件和 h 文件.理想情况下，make 文件中甚至不会包含物理文件名，并且只有 .cpp 到 .o 的转换.在不深入研究 autoconf 的恐怖的情况下生成这样的 makefile 的最佳方法是什么?

I've looking to find a simple recommended "minimal" c++ makefile for linux which will use g++ to compile and link a single file and h file. Ideally the make file will not even have the physical file names in it and only have a .cpp to .o transform. What is the best way to generate such a makefile without diving into the horrors of autoconf?

当前目录包含，例如

t.cppt.h

并且我想要为此创建一个 makefile.我试过 autoconf 但它假设 .h 是 gcc 而不是 g++.是的，虽然我不是初学者，但我正在从多年前重新学习项目操作的最佳方法，因此我正在寻找自动化的方法来为小型项目创建和维护 makefile.

and I want a makefile for that to be created. I tried autoconf but its assuming .h is gcc instead of g++. Yes, while not a beginner, I am relearning from years ago best approaches to project manipulation and hence am looking for automated ways to create and maintain makefiles for small projects.

推荐答案

如果是单个文件，可以输入

If it is a single file, you can type

make t

它会调用

g++ t.cpp -o t

这甚至不需要目录中的 Makefile，尽管如果您有 t.cpp、t.c 和 t.java 等，它会感到困惑

This doesn't even require a Makefile in the directory, although it will get confused if you have a t.cpp and a t.c and a t.java, etc etc.

也是一个真正的 Makefile:

Also a real Makefile:

SOURCES := t.cpp
# Objs are all the sources, with .cpp replaced by .o
OBJS := $(SOURCES:.cpp=.o)

all: t

# Compile the binary 't' by calling the compiler with cflags, lflags, and any libs (if defined) and the list of objects.
t: $(OBJS)
    $(CC) $(CFLAGS) -o t $(OBJS) $(LFLAGS) $(LIBS)

# Get a .o from a .cpp by calling compiler with cflags and includes (if defined)
.cpp.o:
    $(CC) $(CFLAGS) $(INCLUDES) -c $<

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