hallgren 4adb4bab71 Setup.hs: reduce zero build time by ~30% (from 26 to 18 seconds on my laptop) ...

This speedup is obtained by instead of generating 211 shell commands to compile the RGL one file at a time, generate 7 shell commands, passing a number of
related files to GF in one go.

In addition to cutting down the zero build time, this opens up for speeding up
full builds of the RGL, by adding more parallelism in GF's grammar compilation
machinery.

(Note: gf.cabal already takes advantage of GHC's parallel build option to
speed up the compilation of GF itself, if GHC>=7.8 is used.)

2014-07-28 15:11:58 +00:00

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