Bug#23721: compile fails: check-cpu mishandles cpu flags with \

hyphen in it (like ds-cpl).

convert illegal chars in cpu flags to '_' for variable assignment

BUILD/check-cpu

@@ -28,7 +28,7 @@ check_cpu () {
     fi
 
     # parse CPU flags
-    for flag in `$cpuinfo | grep '^flags' | sed -e 's/^flags.*: //'`; do 
+    for flag in `$cpuinfo | grep '^flags' | sed -e 's/^flags.*: //' -e 's/[^a-zA-Z0-9_ ]/_/g'`; do 
           eval cpu_flag_$flag=yes
     done
   else

BitKeeper/etc/collapsed

@@ -3,3 +3,4 @@
 454f8960jsVT_kMKJtZ9OCgXoba0xQ
 4554a95d7txO1DuO9G3nAizI3SkFAA
 4554b3722d71SbPiI2Gx-RhbZjmuIQ
+45ae6628gqKTsUFfnoNExadETVIkbA