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FindProtobuf: also find pthread

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Modify FindProtobuf.cmake to find the pthread library on UNIX platforms,
and to add the same to PROTOBUF_LIBRARIES, as this is a link dependency
of libraries using the protobuf headers.
This commit is contained in:
Matthew Woehlke 2013-05-08 16:04:30 -04:00
parent 619fa2cce8
commit 8961c4b68b
1 changed files with 13 additions and 0 deletions
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13
Modules/FindProtobuf.cmake
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@ -156,6 +156,16 @@ function(_protobuf_find_libraries name filename)
endif()
endfunction()
# Internal function: find threads library
function(_protobuf_find_threads)
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
find_package(Threads)
if(Threads_FOUND)
list(APPEND PROTOBUF_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
set(PROTOBUF_LIBRARIES "${PROTOBUF_LIBRARIES}" PARENT_SCOPE)
endif()
endfunction()
#
# Main.
#
@ -190,6 +200,9 @@ if(MSVC)
set(CMAKE_FIND_LIBRARY_PREFIXES "${PROTOBUF_ORIG_FIND_LIBRARY_PREFIXES}")
endif()
if(UNIX)
_protobuf_find_threads()
endif()
# Find the include directory
find_path(PROTOBUF_INCLUDE_DIR