RFR: 8010385: build with LOG=trace broken on mac

[Erik Joelsson]

Would be great if someone could take a look at this, thanks.

/Erik

On 2013-06-18 16:38, Erik Joelsson wrote:
> The log level 'trace' is broken on both mac and solaris. When trace is 
> used, the shell variable is overridden to do the following:
>
> 1. Add -x to echo each line that gets executed. This causes all 
> $(shell) expressions to be printed in addition to recipes.
> 2. Add some text explaining if it's a $(shell) or a recipe, what rule 
> it belongs to and what triggered it.
> 3. Add /usr/bin/time to each line and print the output to a special 
> log file
>
> What's failing on Mac and Solaris is 3 since the formatted output and 
> ability to print to a separate file is only available in GNU time. On 
> Solaris 1 is also failing due to the default shell, /bin/sh, not 
> seeming to like this.
>
> I solved 1 by overriding the shell with /bin/bash. We already require 
> bash for configure so this should be safe.
>
> For 3, if we don't have GNU time, we can't use the feature, so I let 
> configure check for this and disable it if not found.
>
> http://cr.openjdk.java.net/~erikj/8010385/webrev.root.01/
>
> /Erik