wget http://cr.yp.to/software/qmailanalog-0.70.tar.gz
tar -zxvf qmailanalog-0.70.tar.gz
cd qmailanalog-0.70
vi conf-cc
to look like this
cat conf-cc
cc -O2 -include /usr/include/errno.h$make
This will be used to compile .c files.
$make setup check