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# Public Domain
# We're looking for pthreads only, while preferring the -pthread flag
set (CMAKE_THREAD_PREFER_PTHREAD ON)
set (THREADS_PREFER_PTHREAD_FLAG ON)
find_package (Threads)
# Prepares the given target for threads
function (add_threads target)
if (NOT Threads_FOUND OR NOT CMAKE_USE_PTHREADS_INIT)
message (FATAL_ERROR "pthreads not found")
endif (NOT Threads_FOUND OR NOT CMAKE_USE_PTHREADS_INIT)
if (THREADS_HAVE_PTHREAD_ARG)
set_property (TARGET ${target} PROPERTY
COMPILE_OPTIONS "-pthread")
set_property (TARGET ${target} PROPERTY
INTERFACE_COMPILE_OPTIONS "-pthread")
endif (THREADS_HAVE_PTHREAD_ARG)
if (CMAKE_THREAD_LIBS_INIT)
target_link_libraries (${target} "${CMAKE_THREAD_LIBS_INIT}")
endif (CMAKE_THREAD_LIBS_INIT)
endfunction (add_threads)
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