Author: Daniel Baumann <mail@daniel-baumann.ch>
Description: Avoid overwriting build-environment.

diff -Naurp pdlzip.orig/configure pdlzip/configure
--- pdlzip.orig/configure
+++ pdlzip/configure
@@ -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