cmake HAVE_O_DIRECT examples

HDFGroup/hdf5 config/ConfigureChecks.cmake :610 

CHECK_SYMBOL_EXISTS (O_DIRECT "fcntl.h" HAVE_O_DIRECT)

alibaba/AliSQL storage/tokudb/ft-index/cmake_modules/TokuFeatureDetection.cmake :56 

check_symbol_exists(O_DIRECT "fcntl.h" HAVE_O_DIRECT)

InsightSoftwareConsortium/ITK Modules/ThirdParty/HDF5/src/itkhdf5/config/cmake/ConfigureChecks.cmake :606 

CHECK_SYMBOL_EXISTS (O_DIRECT "fcntl.h" HAVE_O_DIRECT)

percona/percona-server plugin/tokudb-backup-plugin/CMakeLists.txt :23 

check_symbol_exists(O_DIRECT "fcntl.h" HAVE_O_DIRECT)

percona/PerconaFT cmake_modules/TokuFeatureDetection.cmake :57 

check_symbol_exists(O_DIRECT "fcntl.h" HAVE_O_DIRECT)

oscarlab/betrfs cmake_modules/TokuFeatureDetection.cmake :61 

check_symbol_exists(O_DIRECT "fcntl.h" HAVE_O_DIRECT)

GreatSQL/GreatSQL plugin/tokudb-backup-plugin/CMakeLists.txt :21 

check_symbol_exists(O_DIRECT "fcntl.h" HAVE_O_DIRECT)

percona/percona-xtradb-cluster plugin/tokudb-backup-plugin/CMakeLists.txt :23 

check_symbol_exists(O_DIRECT "fcntl.h" HAVE_O_DIRECT)

casacore/casacore CMakeLists.txt :57 

check_cxx_source_compiles("
  #include <fcntl.h>
  main() { int i = O_DIRECT; }
  " HAVE_O_DIRECT)

casacore/casacore CMakeLists.txt :62 

add_definitions(-DHAVE_O_DIRECT)

casacore/casacore CMakeLists.txt :586 

message (STATUS "HAVE_O_DIRECT ......... = ${HAVE_O_DIRECT}")