RE: issue when using MAKEFILES variable

[Martin Dorey]

I'm having trouble understanding what you mean.  When you've read my example below, if the lack of "hello from theconffile" output in the first run of make, and its presence in the second run, doesn't answer your question and show you how to solve the problem, then please modify my example to illustrate your problem, saying what you think the output should be where the actual output differs.

 

address@hidden:~/tmp/make-jpm$ cat > theconffile

$(info hello from theconffile)

address@hidden:~/tmp/make-jpm$ cat > Makefile

default:

^       MAKEFILES=theconffile $(MAKE) -C component -f Makefile

address@hidden:~/tmp/make-jpm$ mkdir component

address@hidden:~/tmp/make-jpm$ cat > component/Makefile

$(info hello from component/Makefile)

default:;

address@hidden:~/tmp/make-jpm$ make

MAKEFILES=theconffile make -C component -f Makefile

hello from component/Makefile

make[1]: Entering directory `/home/martind/tmp/make-jpm/component'

make[1]: `default' is up to date.

make[1]: Leaving directory `/home/martind/tmp/make-jpm/component'

address@hidden:~/tmp/make-jpm$ cat > Makefile

default:

^       MAKEFILES=$(CURDIR)/theconffile $(MAKE) -C component -f Makefile

address@hidden:~/tmp/make-jpm$ make

MAKEFILES=/home/martind/tmp/make-jpm/theconffile make -C component -f Makefile

hello from theconffile

hello from component/Makefile

make[1]: Entering directory `/home/martind/tmp/make-jpm/component'

make[1]: `default' is up to date.

make[1]: Leaving directory `/home/martind/tmp/make-jpm/component'

address@hidden:~/tmp/make-jpm$

 

-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of jean-luc malet
Sent: Friday, October 30, 2009 04:24
To: address@hidden
Subject: issue when using MAKEFILES variable

 

hi!

I face issue when using MAKEFILES variable

this variable is set into a toplevel makefile and contain only

       export varname=varvalue

lines

 

then submake is called into rules like this

target :

          MAKEFILES=theconffile ${MAKE} -C the/component/path -f Makefile target

 

into the/component/path/Makefile

I have several include, some targets....

and

$(warning ${VAR})

$(warning ${MAKEFILE_LIST})

$(warning ${MAKEFILES})

 

where VAR is a variable found only in theconffile

 

MAKEFILE_LIST and MAKEFILES warning show correct behaviour :

theconfile is first makefile read then Makefile is....

VAR warning is correct, thus I think that the behaviour in correct....

 

BUT all targets fails

there is a target todo: into the Makefile

and make complain about not knowing how to do todo....

 

HOWEVER if I do

   include theconffile

into Makefile

and run sub make with

  ${MAKE} -C the/component/path -f Makefile target

 

then it works.......

I'm puzzled....

thanks a lot

JLM

 

--

KISS! (Keep It Simple, Stupid!)

(garde le simple, imbécile!)

"mais qu'est-ce que tu m'as pondu comme usine à gaz? fait des choses

simples et qui marchent, espèce d'imbécile!"

-----------------------------

"Si vous pensez que vous êtes trop petit pour changer quoique ce soit,

essayez donc de dormir avec un moustique dans votre chambre." Betty

Reese

http://www.grainesdechangement.com/citations.htm

 

 

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