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FindBlosc.cmake: Threads #2768

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Jun 18, 2021
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FindBlosc.cmake: Threads #2768

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19 changes: 19 additions & 0 deletions cmake/FindBlosc.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,24 @@ if(NOT BLOSC_FOUND)
endif()
endif()

# Blosc depends on pthreads
# https://github.com/Blosc/c-blosc/blob/master/blosc/CMakeLists.txt
# https://github.com/Blosc/c-blosc/pull/318
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
if(WIN32)
# try to use the system library
find_package(Threads)
if(NOT Threads_FOUND)
message(STATUS "Blosc: used the internal pthread library for win32 systems.")
set(BLOSC_LIBRARIES)
else()
set(BLOSC_LIBRARIES Threads::Threads)
endif()
else()
find_package(Threads REQUIRED)
set(BLOSC_LIBRARIES Threads::Threads)
endif()

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Blosc
FOUND_VAR BLOSC_FOUND
Expand All @@ -68,6 +86,7 @@ if(NOT BLOSC_FOUND)
set_target_properties(Blosc::Blosc PROPERTIES
IMPORTED_LOCATION "${BLOSC_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${BLOSC_INCLUDE_DIR}"
INTERFACE_LINK_LIBRARIES "${BLOSC_LIBRARIES}"
)
endif()
endif()
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