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SunOS 5.5.1 usage of Makefile command in make file


 
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# 1  
SunOS 5.5.1 usage of Makefile command in make file

I am new to Solaris and compilation using make files.
I have a code base which is organized into different folders. At the root folder is a master make file and in the sub directories, there are make files for that particular folder.

In the make files present in subdirectories, I am seeing that "Makefile" is being used as a command for generating .obj files. For e.g.
Code:
 abc.obj : abc.asm \
 ../kernal/xxx.def \
 ../kernal/yyy.def \
 ../kernal/zzz.def \
 ../kernal/queue.def \
 Makefile \
 aaa.def \
 bbb.asm \
 ccc.asm \
 ddd.mac

Some other line
Code:
 abc.obj : abc.asm Makefile $(BB_INCS) xxx.def

Below are my questions.

1. Why is "Makefile" being used as a command? What does it signify? It is not defined anywhere in any other make file also.
2. What is a .mac file in Solaris? what is it's purpose?
3. What is the use of .def file in SOlaris? What is it's purpose?
# 2  
Quote:
Originally Posted by rajujayanthy
I am new to Solaris and compilation using make files.
You might be new, but SunOS 2.5.1 is more archaeology that CS nowadays.
Quote:
1. Why is "Makefile" being used as a command? What does it signify? It is not defined anywhere in any other make file also.
There is no evidence in the posted material Makefile is used as a command. Nowhere is it executed. That would be quite surprising anyway.
Quote:
2. What is a .mac file in Solaris? what is it's purpose?
No specific purpose, there are no .mac type with Solaris, the developers might have chosen that extension for macros or whatever.
Quote:
3. What is the use of .def file in SOlaris? What is it's purpose?
Same as the above. The best guess would be some defines.

Last edited by jlliagre; 04-26-2016 at 05:10 PM..
# 3  
Hi,

Just out of curiosity, could this possibly be software from one of the older MC68000 systems and not a SPARC system.

What is the hardware, if it is SPARC - what is the compiler that you are running?

Regards

Gull04

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