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From: Jason Lixfeld <jason+lists.freebsd@lixfeld.ca>
Date: Sat, 17 Apr 2004 09:19:57 -0400
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Subject: Modifying CPPFLAGS for a port
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I've been digging around trying to debug an issue with OpenLDAP and I 
need to compile the port with -g and without -O.  I can add -g into the 
CPPFLAGS by exporting the variable before running make, however I can't 
figure out where the CPPFLAGS are passed from make to the configure 
script for the actual source code.  Can anyone give me some pointers?

Thanks in advance.