configure: recommend perl 5.10 or better

* configure.ac (PERL): Recommend perl 5.10 or better,
since 5.10 has higher-resolution timestamps.

diff --git a/configure.ac b/configure.ac
index dcf2d95566a0c7a636f7fbfbb95d75312e160fb8..d095ccb1a62f1e8614f34b37dfddbc0252902be8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -75,7 +75,7 @@ fi
 AM_RUN_LOG([$PERL --version])
 $PERL -e 'require 5.006;' || {
    AC_MSG_ERROR(
-[perl 5.6 or better is required; perl 5.8.2 or better
+[perl 5.6 or better is required; perl 5.10 or better
 is recommended.  If you have several perl versions
 installed, select the one Automake should use using
   ./configure PERL=/path/to/perl])