diff -up djvulibre-3.5.25/configure~ djvulibre-3.5.25/configure
--- djvulibre-3.5.25/configure~	2012-05-08 05:56:53.000000000 +0300
+++ djvulibre-3.5.25/configure	2012-10-10 00:01:36.000000000 +0300
@@ -14733,6 +14733,7 @@ fi
 
    OPTS=
 
+if false; then
    saved_CXXFLAGS="$CXXFLAGS"
    saved_CFLAGS="$CFLAGS"
    CXXFLAGS=
@@ -14750,6 +14751,7 @@ fi
        *) CFLAGS="$CFLAGS $opt" ;;
      esac
    done
+fi
    if test x$ac_debug = xno ; then
      OPTS=-DNDEBUG
 
@@ -14770,6 +14772,7 @@ $as_echo "no" >&6; }
  fi
 
 
+if false; then
  opt="-O3"
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CXX accepts $opt" >&5
 $as_echo_n "checking if $CXX accepts $opt... " >&6; }
@@ -14801,6 +14804,7 @@ $as_echo "no" >&6; }
  fi
 
  fi
+fi
 
 
  opt="-Wno-non-virtual-dtor"
@@ -14819,6 +14823,7 @@ $as_echo "no" >&6; }
 
  fi
 
+if false; then
      cpu=`uname -m 2>/dev/null`
      test -z "$cpu" && cpu=${host_cpu}
      case "${host_cpu}" in
@@ -14860,6 +14865,7 @@ $as_echo "no" >&6; }
 
            ;;
       esac
+fi
    else
 
  opt="-Wall"