building zsh-4.2.4 without ccache

real	3m5.475s
user	2m49.827s
sys	0m14.502s
--------------------------------------
rebuilding zsh-4.2.4 without ccache

real	2m59.200s
user	2m47.119s
sys	0m11.121s
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rebuilding zsh-4.2.4 with ccache (1/2)

real	0m27.413s
user	0m17.754s
sys	0m6.685s
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rebuilding zsh-4.2.4 with ccache (2/2)

real	0m24.800s
user	0m17.833s
sys	0m6.530s