error compiling Slimmarsmallow for nexus 5

Im getting this error while compiling rom most probably in kernel,error log below

PHP Code:

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Can't use 'defined(@array)' (Maybe you should just omit the defined()?) at /home/preshot2989/slim/kernel/lge/hammerhead/kernel/timeconst.pl line 373.
/home/preshot2989/slim/kernel/lge/hammerhead/kernel/Makefile:129: recipe for target 'kernel/timeconst.h' failed
make[3]: *** [kernel/timeconst.h] Error 255
/home/preshot2989/slim/kernel/lge/hammerhead/Makefile:950: recipe for target 'kernel' failed
make[2]: *** [kernel] Error 2
make[2]: *** Waiting for unfinished jobs.... 


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just did a few search in xda and google found few solution but stiil the same
already installed bc ,updated perl in ubuntu 16.04LTS and switch to JDK 7.

Help would be appreciated

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