cmake HAVE_LOG2 examples

arkdb/inception configure.cmake :575 

CHECK_SYMBOL_EXISTS(log2  math.h HAVE_LOG2)

google/mysql-protobuf configure.cmake :506 

CHECK_SYMBOL_EXISTS(log2  math.h HAVE_LOG2)

alibaba/AliSQL configure.cmake :682 

CHECK_SYMBOL_EXISTS(log2  math.h HAVE_LOG2)

GenericMappingTools/gmt cmake/modules/ConfigureChecks.cmake :378 

check_symbol_exists (log2        "${_math_h}" HAVE_LOG2)

mongodb/mongo-bi-connector-odbc-driver configure.cmake :538 

CHECK_SYMBOL_EXISTS(log2  math.h HAVE_LOG2)

Tokutek/mysql-5.5 configure.cmake :499 

CHECK_SYMBOL_EXISTS(log2  math.h HAVE_LOG2)

KhronosGroup/SPIRV-LLVM cmake/config-ix.cmake :146 

check_symbol_exists(log2 math.h HAVE_LOG2)