785a786,789
> # Valgrind gets much less confused if you tell it when you're using
> # alternative stacks.
> main['HAVE_VALGRIND'] = conf.CheckCHeader('valgrind/valgrind.h')
>
1015,1016c1019,1020
< 'PROTOCOL', 'HAVE_PROTOBUF', 'HAVE_PERF_ATTR_EXCLUDE_HOST',
< 'USE_PNG']
---
> 'PROTOCOL', 'HAVE_PROTOBUF', 'HAVE_VALGRIND',
> 'HAVE_PERF_ATTR_EXCLUDE_HOST', 'USE_PNG']