Martin v. Löwis wrote:
Brett C. wrote:

I noticed that Makefile.pre.in uses the value from the environment variable LDFLAGS but not CPPFLAGS. Any reason for this?


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 realize that much. But if you look in configure.in it seems to use the previous value of LDFLAGS every time it is redefined as a base and thus gets its initial value from the environment variable the first time it is tweaked.


Not a big deal, though.  I will just use the environment variables in setup.py .

-Brett
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