RFR: JDK-8030794: Update configure to require jdk8 as boot

[Tim Bell]

Looks good to me as well.

Tim


On 04/16/14 10:07, Chris Hegarty wrote:
> Looks good to me.
>
> -Chris.
>
> On 16/04/14 11:01, Erik Joelsson wrote:
>> There are now changes in jdk9 which prohibit the use of jdk7 as boot jdk
>> (unless the update version is high enough). It's time we formally change
>> the requirement from jdk7 to jdk8 by making configure require it.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8030794
>> Patch:
>>
>> diff -r 1dfbd8aa5d3d common/autoconf/boot-jdk.m4
>> --- a/common/autoconf/boot-jdk.m4
>> +++ b/common/autoconf/boot-jdk.m4
>> @@ -82,10 +82,10 @@
>>               BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 |
>> head -n 1`
>>
>>               # Extra M4 quote needed to protect [] in grep expression.
>> -            [FOUND_CORRECT_VERSION=`echo $BOOT_JDK_VERSION | grep
>> '\"1\.[789]\.'`]
>> +            [FOUND_CORRECT_VERSION=`echo $BOOT_JDK_VERSION | grep
>> '\"1\.[89]\.'`]
>>               if test "x$FOUND_CORRECT_VERSION" = x; then
>>                 AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK is
>> incorrect JDK version ($BOOT_JDK_VERSION); ignoring])
>> -              AC_MSG_NOTICE([(Your Boot JDK must be version 7, 8 or 
>> 9)])
>> +              AC_MSG_NOTICE([(Your Boot JDK must be version 8 or 9)])
>>                 BOOT_JDK_FOUND=no
>>               else
>>                 # We're done! :-)
>>