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[cmake] error out if ZeroMQ has no draft api support #22325

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[cmake] error out if ZeroMQ has no draft api support #22325

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6492856
[cmake] error out if ZeroMQ has no draft api support
ferdymercury May 18, 2026
e28b80e
[cmake] fix typo in zmq version
ferdymercury May 18, 2026
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15 changes: 15 additions & 0 deletions cmake/modules/FindZeroMQ.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,21 @@ find_library(ZeroMQ_LIBRARY
set ( ZeroMQ_LIBRARIES ${ZeroMQ_LIBRARY} )
set ( ZeroMQ_INCLUDE_DIRS ${ZeroMQ_INCLUDE_DIR} )

# check for zmq_ppoll
if(ZeroMQ_LIBRARIES)
include(CheckCXXSymbolExists)
set(CMAKE_REQUIRED_LIBRARIES ${ZeroMQ_LIBRARIES})
set(CMAKE_REQUIRED_INCLUDES ${ZeroMQ_INCLUDE_DIRS})
set(CMAKE_REQUIRED_DEFINITIONS "-DZMQ_BUILD_DRAFT_API")
check_cxx_symbol_exists(zmq_ppoll zmq.h ZeroMQ_HAS_PPOLL)
if(NOT ZeroMQ_HAS_PPOLL)
message(SEND_ERROR "ZeroMQ library was compiled without draft API support (-DENABLE_DRAFTS).")
endif()
unset(CMAKE_REQUIRED_LIBRARIES)
unset(CMAKE_REQUIRED_INCLUDES)
unset(CMAKE_REQUIRED_DEFINITIONS)
endif()

include ( FindPackageHandleStandardArgs )
# handle the QUIETLY and REQUIRED arguments and set ZeroMQ_FOUND to TRUE
# if all listed variables are TRUE
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2 changes: 1 addition & 1 deletion cmake/modules/RootBuildOptions.cmake
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Expand Up @@ -150,7 +150,7 @@ ROOT_BUILD_OPTION(pythia8 OFF "Enable support for Pythia 8.x [GPL]")
ROOT_BUILD_OPTION(qt6web OFF "Enable support for Qt6 web-based display (requires Qt6::WebEngineCore and Qt6::WebEngineWidgets)")
ROOT_BUILD_OPTION(r OFF "Enable support for R bindings (requires R, Rcpp, and RInside)")
ROOT_BUILD_OPTION(roofit ON "Build the advanced fitting package RooFit, and RooStats for statistical tests. If xml is available, also build HistFactory.")
ROOT_BUILD_OPTION(roofit_multiprocess OFF "Build RooFit::MultiProcess and multi-process RooFit::TestStatistics classes (requires ZeroMQ >= 3.4.5 built with -DENABLE_DRAFTS and cppzmq).")
ROOT_BUILD_OPTION(roofit_multiprocess OFF "Build RooFit::MultiProcess and multi-process RooFit::TestStatistics classes (requires ZeroMQ >= 4.3.5 built with -DENABLE_DRAFTS and cppzmq).")
ROOT_BUILD_OPTION(root7 ON "Build ROOT 7 experimental components of ROOT")
ROOT_BUILD_OPTION(runtime_cxxmodules ON "Enable runtime support for C++ modules")
ROOT_BUILD_OPTION(shadowpw OFF "Enable support for shadow passwords")
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