RFR: JDK-8198627 JDK-8198318 broke readlink testing

[Magnus Ihse Bursie]

I apologize for the extra work my mistake caused you. :(

/Magnus

> 23 feb. 2018 kl. 16:19 skrev Volker Simonis <volker.simonis at gmail.com>:
> 
> Good patch, Magnus!
> 
> We've been affected by this as well but instead of digging deeper into
> the problem we've installed "readlink" on our AIX build machines,
> where it wasn't available until now. Good to know that "readlink" is
> still not a mandatory requirement for the build :)
> 
> 
> On Fri, Feb 23, 2018 at 2:24 PM, Magnus Ihse Bursie
> <magnus.ihse.bursie at oracle.com> wrote:
>> The if line introduced in JDK-8198318 is missing a "test".
>> Thanks to Jon and Erik for discovering the problem and the solution.
>> 
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8198627
>> Patch inline:
>> 
>> diff --git a/make/autoconf/basics.m4 b/make/autoconf/basics.m4
>> --- a/make/autoconf/basics.m4
>> +++ b/make/autoconf/basics.m4
>> @@ -263,7 +263,7 @@
>>       READLINK_TESTED=yes
>>     fi
>> 
>> -    if test "x$READLINK" != x && "x$READLINK_ISGNU" != x; then
>> +    if test "x$READLINK" != x && test "x$READLINK_ISGNU" != x; then
>>       $1=`$READLINK -f [$]$1`
>>     else
>>       # Save the current directory for restoring afterwards
>> 
>> /Magnus