Embedded之Makefile

1  Header files  

The header files are empty, so you can create them with touch:

$ touch a.h

$ touch b.h

$ touch c.h

 

2  Source files

 1 /* main.c */

 2 #include <stdlib.h>

 3 #include "a.h"

 4 

 5 extern void function_ab();

 6 extern void function_bc();

 7 

 8 int main()

 9 {

10   function_ab();

11   function_bc();

12   exit (EXIT_SUCCESS);

13 }
1 /* ab.c */

2 #include "a.h"

3 #include "b.h"

4 

5 void function_ab()

6 {

7 }
1 /* bc.c */

2 #include "b.h"

3 #include "c.h"

4 

5 void function_bc()

6 {

7 }

 

3  A simple makefile

 1 myapp: main.o ab.o bc.o

 2   gcc -o myapp main.o ab.o bc.o

 3 

 4 main.o: main.c a.h

 5   gcc -c main.c

 6 

 7 ab.o: ab.c a.h b.h

 8   gcc -c ab.c

 9 

10 bc.o: bc.c b.h c.h

11   gcc -c bc.c

 

4  make

$ make -f Makefile1

 

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