Martin v. Löwis wrote:
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.


That's basically the functionality I need, so I am going with it.

Whether or not adding @CPPFLAGS@ to the end is the right thing,
I don't know.


Well, we will soon find out. =) My checkin made this change and everything seems fine. If it doesn't work out I will have to create another environment variable to store the value.


Michael's desire of getting the Fink and DarwinPorts special casing in setup.py is now solved; setup.py now uses the directories specified in LDFLAGS and CPPFLAGS for compiling the extension modules. I didn't bother with CFLAGS or CC since the former is mostly handled by BASECFLAGS it seems and the latter is specified by arguments to configure.

-Brett
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