RFR: JDK-8033119 Improve and document boot-jdk.m4

[Magnus Ihse Bursie]

On 2014-01-31 20:35, Mike Duigou wrote:
> Looks like good cleanup.
>
> Could some of the implementation of BOOTJDK_CHECK_TOOL_IN_BOOTJDK be replaced with a call to AC_CHECK_PROG? (It may not be worth the trouble).

Not really, unfortunately. AC_CHECK_PROG basically does the same as 
"which", i.e. looks if an executable is present in the $PATH.

/Magnus