RFR: JDK-8210960 Allow --with-boot-jdk-jvmargs to work during configure

[Erik Joelsson]

Hello,

Looks good.

/Erik

On 2018-09-20 04:43, Magnus Ihse Bursie wrote:
> Allow --with-boot-jdk-jvmargs to work during the configure phase. Also 
> report the usages of _JAVA_OPTIONS and JAVA_TOOL_OPTIONS environment 
> variables, which can seriously mess up the build.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8210960
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8210960-use-with-boot-jdk-jvmargs-in-configure/webrev.01
>
> /Magnus
>