Author: Daniel Baumann <daniel.baumann@progress-technologies.net>
Description: Avoid overwriting build environment rather than to just extend it.

Index: trunk/Makefile
===================================================================
--- trunk.orig/Makefile
+++ trunk/Makefile
@@ -13,7 +13,7 @@
 #
 
 CC      = gcc
-CFLAGS  = -W -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual \
+CFLAGS += -W -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual \
           -Wcast-align -Wwrite-strings -Wmissing-prototypes -Winline -Wundef
 
 # Let lseek and mmap support 64-bit wide offsets
@@ -27,7 +27,7 @@ CFLAGS += -O2
 #CFLAGS += -g
 
 # Pass linker flags here
-LDFLAGS =
+#LDFLAGS =
 
 DESTDIR =
 prefix  = /usr/local