fix bug where generateMain was not correclty set

6 jobs for VanDerCorput in 2 minutes and 46 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #3656
darwin
CosmosDarwin

00:00:23

passed #3655
linux
CosmosLinux

00:01:34

passed #3654
cmake-build

00:00:54

passed #3657
modelConvert

00:00:17

 
  Test
skipped #3658
from_dist
skipped #3659
linux
test
 
Name Stage Failure
failed
CosmosDarwin Build
  CXX      modelwriter.lo
CXXLD libgrml.la
Making all in src/ModelGenerator/Eval
YACC Eval-parser.cc
/Users/barbot/Downloads/builds/G_sKg5nJ/0/barbot/Cosmos/build/src/ModelGenerator/Eval/../../../../src/ModelGenerator/Eval/Eval-parser.yy:2.10-14: require bison 2.4, but have 2.3
make[2]: *** [Eval-parser.cc] Error 63
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2
ERROR: Job failed: exit status 1