CMake Error at /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
7266 Could NOT find FLEX (missing: FLEX_EXECUTABLE) 7267 Call Stack (most recent call first): 7268 /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE) 7269 /usr/share/cmake-3.10/Modules/FindFLEX.cmake:217 (FIND_PACKAGE_HANDLE_STANDARD_ARGS) 7270 compiler/cpp/CMakeLists.txt:25 (find_package) 7271 -- Configuring incomplete, errors occurred! 7272 See also "/ceph/build/external/thrift/CMakeFiles/CMakeOutput.log". 7273 See also "/ceph/build/external/thrift/CMakeFiles/CMakeError.log". 7274 make[3]: *** [external/thrift/src/thrift-stamp/thrift-configure] Error 1 7275 src/CMakeFiles/thrift.dir/build.make:106: recipe for target 'external/thrift/src/thrift-stamp/thrift-configure' failed 7276 CMakeFiles/Makefile2:1384: recipe for target 'src/CMakeFiles/thrift.dir/all' failed 7277 make[2]: *** [src/CMakeFiles/thrift.dir/all] Error 2 7278 make[2]: *** Waiting for unfinished jobs....