1# This file contains all the logic for running configure-time checks 2 3include(CheckSymbolExists) 4include(CheckIncludeFile) 5include(CheckIncludeFiles) 6include(CheckLibraryExists) 7 8set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE) 9check_symbol_exists(ppoll poll.h HAVE_PPOLL) 10set(CMAKE_REQUIRED_DEFINITIONS) 11check_symbol_exists(sigaction signal.h HAVE_SIGACTION) 12check_cxx_symbol_exists(accept4 "sys/socket.h" HAVE_ACCEPT4) 13 14check_include_file(termios.h HAVE_TERMIOS_H) 15check_include_file("sys/types.h" HAVE_SYS_TYPES_H) 16check_include_files("sys/types.h;sys/event.h" HAVE_SYS_EVENT_H) 17 18check_cxx_symbol_exists(process_vm_readv "sys/uio.h" HAVE_PROCESS_VM_READV) 19check_cxx_symbol_exists(__NR_process_vm_readv "sys/syscall.h" HAVE_NR_PROCESS_VM_READV) 20 21check_library_exists(compression compression_encode_buffer "" HAVE_LIBCOMPRESSION) 22 23# These checks exist in LLVM's configuration, so I want to match the LLVM names 24# so that the check isn't duplicated, but we translate them into the LLDB names 25# so that I don't have to change all the uses at the moment. 26set(LLDB_ENABLE_TERMIOS ${HAVE_TERMIOS_H}) 27if (UNIX) 28 set(LLDB_ENABLE_POSIX ON) 29else() 30 set(LLDB_ENABLE_POSIX OFF) 31endif() 32 33if(NOT LLDB_CONFIG_HEADER_INPUT) 34 set(LLDB_CONFIG_HEADER_INPUT ${LLDB_INCLUDE_ROOT}/lldb/Host/Config.h.cmake) 35endif() 36 37if(NOT LLDB_CONFIG_HEADER_OUTPUT) 38 set(LLDB_CONFIG_HEADER_OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/include/lldb/Host/Config.h) 39endif() 40 41# This should be done at the end 42configure_file( 43 ${LLDB_CONFIG_HEADER_INPUT} 44 ${LLDB_CONFIG_HEADER_OUTPUT} 45 ) 46