RFR: JDK-8237879: make 4.3 breaks build

[Erik Joelsson]

On 2020-01-29 02:58, Magnus Ihse Bursie wrote:
> I got tired of the code duplication of "$(call 
> DependOnVariableFileName, $1, $2)". Here's a new webrev with shorter 
> lines,
> and hopefully better readability overall:
>
> http://cr.openjdk.java.net/~ihse/JDK-8237879-make-4-3-include-is-broken/webrev.02/make/common/MakeBase.gmk.udiff.html
>
Looks even better!

/Erik