Author: Daniel Baumann <daniel.baumann@progress-technologies.net>
Description: Avoid overwriting build-environment.

diff -Naurp pdlzip.orig/configure pdlzip/configure
--- pdlzip.orig/configure	2012-06-27 16:06:20.050801430 +0200
+++ pdlzip/configure	2012-06-30 05:22:30.357871278 +0200
@@ -24,9 +24,9 @@ infodir='$(datadir)/info'
 mandir='$(datadir)/man'
 sysconfdir='$(prefix)/etc'
 CC=
-CPPFLAGS=
-CFLAGS='-Wall -W -O2'
-LDFLAGS=
+#CPPFLAGS=
+#CFLAGS='-Wall -W -O2'
+#LDFLAGS=
 
 # Loop over all args
 while [ -n "$1" ] ; do