--- /dev/null
+--- djview4-4.0/config/acinclude.m4.orig 2007-01-04 21:30:03.000000000 +0100
++++ djview4-4.0/config/acinclude.m4 2007-02-04 23:38:27.676055318 +0100
+@@ -98,27 +98,9 @@
+ [ac_debug=$enableval],[ac_debug=no])
+ OPTS=
+ AC_SUBST(OPTS)
+- saved_CXXFLAGS="$CXXFLAGS"
+- saved_CFLAGS="$CFLAGS"
+- CXXFLAGS=
+- CFLAGS=
+- for opt in $saved_CXXFLAGS ; do
+- case $opt in
+- -g*) test $ac_debug != no && OPTS="$OPTS $opt" ;;
+- -O*) ;;
+- *) CXXFLAGS="$CXXFLAGS $opt" ;;
+- esac
+- done
+- for opt in $saved_CFLAGS ; do
+- case $opt in
+- -O*|-g*) ;;
+- *) CFLAGS="$CFLAGS $opt" ;;
+- esac
+- done
+ if test x$ac_debug = xno ; then
+ OPTS=-DNDEBUG
+ AC_CHECK_CXX_OPT([-Wall],[OPTS="$OPTS -Wall"])
+- AC_CHECK_CXX_OPT([-O2],[OPTS="$OPTS -O2"])
+ else
+ AC_CHECK_CXX_OPT([-Wall],[OPTS="$OPTS -Wall"])
+ fi