Brett C. wrote:
How did you notice that? For LDFLAGS, Makefile.pre.in has
LDFLAGS= @LDFLAGS@
This does *not* mean that the value from the environment is used.
Instead, it means that configure computes the value of LDFLAGS
when it generates Makefile.in. For CPPFLAGS, configure has nothing
to compute, so Makefile.pre.in just has the static value for
CPPFLAGS.
I am not so sure that is true. Checking configure.in, there is no
mention of CPPFLAGS anywhere.
Right. That's what I meant when I said "has nothing to compute", so
it does not even mention CPPFLAGS.
And yet if I modify the definition of
CPPFLAGS in Makefile.pre.in to ``-I. -I./Include @[EMAIL PROTECTED] it ends up
containing the value I have for the environment variable at the end of
it. I think the '@@' syntax uses a value from configure.in if it is
defined else it defaults to the value the shell has.
Indeed, that seems to be the case. However, absence of @CPPFLAGS@
means that Makefile.pre will just use the static value from
Makefile.pre.in.
Whether or not adding @CPPFLAGS@ to the end is the right thing,
I don't know.
Regards,
Martin
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