cmake HAVE_ABSEIL examples

ceph/ceph src/CMakeLists.txt :1086 

target_compile_definitions(ceph-nvmeof-monitor-client PRIVATE HAVE_ABSEIL)

ceph/ceph src/CMakeLists.txt :1087 

target_compile_definitions(ceph-mon PRIVATE HAVE_ABSEIL)

mysql/mysql-connector-cpp jdbc/extra/otel/opentelemetry-cpp-1.12.0/api/CMakeLists.txt :46 

target_compile_definitions(opentelemetry_api INTERFACE HAVE_ABSEIL)