cmake PTHREADS4W examples

vectorgraphics/asymptote cmake-scripts/external-libs.cmake :139 

find_package(PThreads4W)

pupnp/pupnp CMakeLists.txt :228 

find_package(PTHREADS4W CONFIG REQUIRED)

rcornwell/sims cmake/pthreads-dep.cmake :18 

find_package(PThreads4W REQUIRED)

flintlib/flint CMakeLists.txt :131 

find_package(PThreads4W)