autogen.sh: Fix version regexp, allow automake 1.11.1.

git-svn-id: https://smartmontools.svn.sourceforge.net/svnroot/smartmontools/trunk@3043 4ea69e1a-61f1-4043-bf83-b5c94c648137

smartmontools/CHANGELOG

@@ -43,6 +43,8 @@ NOTES FOR FUTURE RELEASES: see TODO file.
 
 <DEVELOPERS: ADDITIONS TO THE CHANGE LOG GO JUST BELOW HERE, PLEASE>
 
+  [CF] autogen.sh: Fix version regexp, allow automake 1.11.1.
+
   [CF] Linux: Allow smartd 'DEVICESCAN -d sat' (ticket #13).
        Detects (S)ATA devices behind a standard SAT layer
        (Vendor ID: "ATA     "), but not USB bridges with SAT support.

smartmontools/autogen.sh

@@ -64,7 +64,7 @@ case "$AUTOMAKE" in
   *automake-1.8)
     ver=1.8 ;;
   *)
-    ver="`$AUTOMAKE --version | sed -n '1s,^.*\([12]\.[.0-9]*[-pl0-9]*\).*$,\1,p'`"
+    ver="`$AUTOMAKE --version | sed -n '1s,^.*[^.0-9]\([12]\.[0-9][-.0-9pl]*\).*$,\1,p'`"
     ver="${ver:-?.?.?}"
 esac
 
@@ -83,7 +83,7 @@ case "$ver" in
     rm -f casetest.tmp
     ;;
 
-  1.9.[1-6]|1.10|1.10.[12]|1.11)
+  1.9.[1-6]|1.10|1.10.[12]|1.11|1.11.1)
     # OK
     ;;