How can I create cross-platform Makefiles?

How can I create cross-platform Makefiles?

To create cross-platform Makefiles, you can use conditional statements to check the operating system and set variables accordingly.

Can you give me an example of a cross-platform Makefile?

Sure! Here's a simple example:

CC = gcc
ifeq ($(OS),Windows_NT)
    RM = del
else
    RM = rm -f
endif

all: myprogram

myprogram: main.o utils.o
	$(CC) -o myprogram main.o utils.o

clean:
	$(RM) myprogram main.o utils.o

What if I want to include libraries that are platform-specific?

You can use additional conditional statements to include platform-specific libraries. For example:

ifeq ($(OS),Windows_NT)
    LIBS = -lws2_32
else
    LIBS = -lpthread
endif

myprogram: main.o utils.o
	$(CC) -o myprogram main.o utils.o $(LIBS)

Are there tools that can help generate Makefiles?

Yes, tools like CMake and Autotools can help generate Makefiles that are cross-platform compatible.