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From:	"jansb000" <jansb000 AT planet DOT nl>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Problem with cross-platform app: MAKE vs NMAKE
Date:	Wed, 29 Sep 2004 20:37:16 +0200
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I like the idea of splitting the makefile into a "header-part" and a
"dependency part". The dependency part can be the same for all flavors of
make.

If I understand you correctly you use wrappers in part 1 like this:
SOURCE_NAME=$**         /  $@
1ST_PREREQ=$ ???          / = $<
ALL_PREREQ=$**             / = $^

Then in part 2 you say:
my_target.o: my_target.cpp my_target.h
...cpp -c $(1st_prereq)
my_target.exe: my_target.o other.o
...cpp -o $(source_name) $(all_prereq) -libraries

Questions:
- What is the NMAKE code for referencing the first prerequisite?
- How is the makefile part 1 referencing to part 2? As an include?

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

"Salvador Eduardo Tropea" <salvador AT inti DOT gov DOT ar> schreef in bericht
news:415980C6 DOT 6080908 AT inti DOT gov DOT ar...
> jansb000 wrote:
>
> >I am working on a program that is supposed to be cross-platform. Recently
we
> >have a project member who is using MSVC. The makefile that I made for
DJGPP
> >make is not working for nmake from MSVC.
> >
> >I use the variables $@, $< and $^. These seem to be unavailable in MSVC.
> >Also the IFEQ command is not recognised by nmake.
> >
> >What can I do to make my makefile usable to both DJGPP and MSVC?
> >
> >
> You can split your makefile into:
>
> 1) Rules.
> 2) Dependencies.
>
> The part (1) will be different for make and nmake and (2) will be shared.
> YouŽll probably need to split (1) to separate the compiler dependent
> stuff because BC++ also uses nmake syntax.
> Turbo Vision 2.0.3 (http://sf.net/projects/tvision) does it. It have 3
> makefiles (GNU, BC++ and MSVC). The MSVC/BC++ are the same, I just use a
> wrapper to define a variable.
> Most UNIX systems does what Eli says, but BC++ and MSVC users arenŽt
> like UNIX users ;-)
> In *BSD systems you can usually find GNU make renamed as "gmake", the
> native make isnŽt compatible with GNU make.
>
> SET
>
> -- 
> Salvador Eduardo Tropea (SET). (Electronics Engineer)
> Visit my home page: http://welcome.to/SetSoft or
> http://www.geocities.com/SiliconValley/Vista/6552/
> Alternative e-mail: set AT computer DOT org set AT ieee DOT org
> Address: Curapaligue 2124, Caseros, 3 de Febrero
> Buenos Aires, (1678), ARGENTINA Phone: +(5411) 4759 0013
>
>
>
>

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