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make: multiple targets

Here's the c source code of a simple program that prints the value of the macro EXECUTABLE_NAME.

Because the program does not define this macro, it must be defined with the -D option when gcc is invoked.

#include <stdio.h>

int main() {
  printf("EXECUTABLE_NAME is defined as %s\n", EXECUTABLE_NAME);
}

Github repository about-Makefile, path: /target/multiple/example-1/prog.c

Here's a simple Makefile that uses the concept of multiple targets to create an arbitrary number of executables where the value of the macro EXECUTABLE_NAME is assigned dynamically depending on the name of the executable built:

executables = foo bar baz

all: $(executables)

foo bar baz: prog.c
	gcc -DEXECUTABLE_NAME=\"$@\" $< -o $@

Github repository about-Makefile, path: /target/multiple/example-1/Makefile

make: multiple targets

See also