Re: makefile question

There are 2 other things I'd like to add to Ken's makefile --
First, I'm sure Ken has looked at this more recently than me and is probably 
right, but is each line of the makefile interpreted inside its own shell? or in 
the surrounding context? I remember when I used to write makefiles I used to 
sometimes put parentheses around the line so when I type cd, it wouldn't change 
the folder for the surrounding context. Just a thought.

Second, when I used to work on large makefiles, we would not put the makefile 
for the whole project one level up, but rather in a parallel directory. That 
way you could build multiple executables, each in its own directory. For 
example, if you want 2 versions of a library, one with exception handling code 
included and the other not, (C++ of course), you would create 2 directories 
mkPlain and mkEH, and compile all the object files with the exception handling 
code compiled in, then go to the other and compile it without.
So in mkEH\makefile put
    (cd ..\lib; $(MAKE) lib.dll; mv lib.dll ../mkEH )

Excuse the typos.  Correct me if I'm off; it's been a while.  And I don't know 
if you are running on a unix shell or windows environment somewhere.
Happy hacking.
--le

  ----- Original Message ----- 
  From: Tyler Littlefield 
  To: programmingblind@xxxxxxxxxxxxx 
  Sent: Friday, December 26, 2008 11:42 PM
  Subject: Re: makefile question


  awesome, thanks. so I just need to add a cd;make to the root for each of the 
folders.
  wonder if there's an easier way of doing that (like storing the list of dirs 
in a variable) or something... I'll have to check in to it.

    ----- Original Message ----- 
    From: Ken Perry 
    To: programmingblind@xxxxxxxxxxxxx 
    Sent: Friday, December 26, 2008 8:32 PM
    Subject: RE: makefile question


     

     

    You add the make file in the next level in the make file of the first level 
as one of the commands to execut in the lower level.  I have a 3 level tree in 
my current make file system and in the first level it looks something like this 
:

     

    all:          $(BINDIR)$(SERVER)

                    cd scripts;make "MAKEFILE=${MAKEFILE}"

                    cd utilities;make 

                    cd key;make

    cd compiler;make "MAKEFILE=${MAKEFILE}"

    cd language;make "MAKEFILE=${MAKEFILE}"

                    cd mplex;make "MAKEFILE=${MAKEFILE}"

    cd Utility;make "MAKEFILE=${MAKEFILE}"

     

    d 

     

    From: programmingblind-bounce@xxxxxxxxxxxxx 
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Tyler Littlefield
    Sent: Friday, December 26, 2008 2:26 PM
    To: programmingblind@xxxxxxxxxxxxx
    Subject: makefile question

     

    Hello list,

    I've got a quick question.

    I've got a set of programs, each in their own separate folder with 
makefiles to match.

    This works, but when I want to build the whole package I have to go from 
directory to directory.

    Is there a way perhaps, to make a makefile compile with other makefiles 
under separate directories? I'd just like one main makefile that will run the 
makefiles in sub directories, and pass in the argument.

    So, if I'm at the root of the directory and I want to clean the package, 
make clean would go to directories a,b,c,d,e and run make clean, etc.

    TIA,

Other related posts: