I have to execute a command in a makefile that has to take arguments
from the command line ...how can we pass and access command line
arguments in a makefile??The arguments are not the targets but the
options for running a particular command in the makefile ....
again i dont have to access the variables (by exporting them) .. i am
totally stuck with this..

>I have to execute a command in a >makefile that has to take arguments
>from the command line ...how can we >pass and access command line
>arguments in a makefile??

You can override a variable from the command line, like this

cmd:
       docmd ${ARGS}


and then call

  $ make ARGS="arg1 arg2 arg3" cmd


Hubble.

In article <1141121300.237660.306680@z34g2000cwc.googlegroups.com>,
 "charlotte" <Joshi.Bakul@gmail.com> wrote:

> I have to execute a command in a makefile that has to take arguments
> from the command line ...how can we pass and access command line
> arguments in a makefile??The arguments are not the targets but the
> options for running a particular command in the makefile ....
> again i dont have to access the variables (by exporting them) .. i am
> totally stuck with this..

If any of the make arguments are of the form var=value, the variable 
will be set and can be accessed in the makefile just like any other 
makefile variables.

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***

Kindly specify what did you mean by docmd ${ARGS} ?
i typed it in command line but got an error message.
also  there is no man documentation for docmd

An example:
__BEGIN_MAKEFILE__

DOGS := mutt
..PHONY: dogs
dogs :
<tab>@echo $(DOGS)

__END_MAKEFILE__

$ make
mutt

$ make  DOGS=kitty
kitty

>Kindly specify what did you mean by docmd ${ARGS} ?
>i typed it in command line but got an error message.
>also  there is no man documentation for docmd

docmd was a placeholder. If you want to invoke for example /bin/ls, you
have to specify a target (example lsa) and then use make lsa. My
example then becomes:

   lsa:
              /bin/ls ${ARGS}

and you invoke
   make ARGS="-l" lsa

Hubble.

>>You can override a variable from the command line, like this
>>
>>cmd:
>>       docmd ${ARGS}
>>
>>
>>and then call
>>
>>  $ make ARGS="arg1 arg2 arg3" cmd
>>
>>
>>Hubble.

"charlotte" <Joshi.Bakul@gmail.com> wrote in message 
news:1141127944.194167.90000@t39g2000cwt.googlegroups.com...
> Kindly specify what did you mean by docmd ${ARGS} ?
> i typed it in command line but got an error message.
> also  there is no man documentation for docmd
>
Please do not cut out the poster's comments- if we haven't read the other 
messages, we won't know what you are talking about.

Hubble's "docmd" is meant to represent any command (read it as "do 
command"). For example,
    cc $(ARGS)

or
   ld $(ARGS)

So if your makefile conatins:

..c.o:
    cc $(CFLAGS) -c $*.c

then you could use the following to run your makefile to compile with debug 
flag:

make CFLAGS=-g

This causes the variable CFLAGS to be set to   -g    and in the makefile, 
$(CFLAGS) gets substituted with   -g
-- 
Fred L. Kleinschmidt
Boeing Associate Technical Fellow
Technical Architect, Software Reuse Project