For reason or reasons unknown (probably related to the old build system), I had this in my environment:
    _JAVA_OPTIONS=-Dfile.encoding=ASCII
This causes the shiny new build system's "java -version" to read the java version as:
    "Picked up _JAVA_OPTIONS: -Dfile.encoding=ASCII"
and fail version check.

configure: Found potential Boot JDK using well-known locations (in /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk) configure: Potential Boot JDK found at /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home is incorrect JDK version (Picked up _JAVA_OPTIONS: -Dfile.encoding=ASCII); ignoring
configure: (Your Boot JDK must be version 7 or 8)

-s

On 2/23/13 9:29 AM, Martin Buchholz wrote:
I'm having fun with the shiny new build system.
It took me a while to discover that "make help" was exceptionally helpful.

However, I was interested in passing a configuration to CONF= and was
annoyed there was no clue what to provide.  (I wasn't even sure exactly
what a "configuration" was)

After some trial and error, I discovered that

make CONF=bogus

would actually give me that precious list of supported configurations.
It would be nice if "make help" always printed that list, even though by
default it contains only one entry.

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