> Dear Colleagues,
>
> I need some help. Consider I have a Makefile for
> application that can be build with different
> options. Some of them I need just to define
> via -D flag of the ``make'', but other need
> to be set to some specific values (for example,
> it can be path to my temporary dir). So I
> use
>
> make -DFIRST MYTMPDIR=/special/tmp
>
> And I want just to keep track of the parameters
> used to build that application. Nothing difficult
> to obtain the name of Makefile from .MAKEFILE, as well
> as make flags of make (including those -D, defining
> some variables) from the .MAKEFLAGS var. But I did
> NOT found the normal way to obtain the list of
> variables defined in the command line through the
> VAR=VAL construction. Strange, right?
>
> Man says that
>
> .MAKEFLAGS
> The environment variable MAKEFLAGS may contain anything
that
> may be specified on make's command line. Its contents are
> stored in make's .MAKEFLAGS variable.
>
> That is wrong, .MAKEFLAGS does not contain anything.
It won't contain anything unless you set MAKEFLAGS in the calling
environment.
[ Makefile ]
all:
@echo "MAKEFLAGS: ${.MAKEFLAGS}"
gabby$ export MAKEFLAGS="-Dfirst -Dsecond"; make
MAKEFLAGS: -Dfirst -Dsecond
gabby$
--
Matt Emmerton
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