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# This file contains all the logic for running configure-time checks
include(CheckSymbolExists)
include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckLibraryExists)
set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
check_symbol_exists(ppoll poll.h HAVE_PPOLL)
set(CMAKE_REQUIRED_DEFINITIONS)
check_symbol_exists(sigaction signal.h HAVE_SIGACTION)
check_cxx_symbol_exists(accept4 "sys/socket.h" HAVE_ACCEPT4)
check_include_file(termios.h HAVE_TERMIOS_H)
check_include_file("sys/types.h" HAVE_SYS_TYPES_H)
check_include_files("sys/types.h;sys/event.h" HAVE_SYS_EVENT_H)
check_cxx_symbol_exists(process_vm_readv "sys/uio.h" HAVE_PROCESS_VM_READV)
check_cxx_symbol_exists(__NR_process_vm_readv "sys/syscall.h" HAVE_NR_PROCESS_VM_READV)
check_library_exists(compression compression_encode_buffer "" HAVE_LIBCOMPRESSION)
# These checks exist in LLVM's configuration, so I want to match the LLVM names
# so that the check isn't duplicated, but we translate them into the LLDB names
# so that I don't have to change all the uses at the moment.
set(LLDB_ENABLE_TERMIOS ${HAVE_TERMIOS_H})
if (UNIX)
set(LLDB_ENABLE_POSIX ON)
else()
set(LLDB_ENABLE_POSIX OFF)
endif()
if(NOT LLDB_CONFIG_HEADER_INPUT)
set(LLDB_CONFIG_HEADER_INPUT ${LLDB_INCLUDE_ROOT}/lldb/Host/Config.h.cmake)
endif()
if(NOT LLDB_CONFIG_HEADER_OUTPUT)
set(LLDB_CONFIG_HEADER_OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/include/lldb/Host/Config.h)
endif()
# This should be done at the end
configure_file(
${LLDB_CONFIG_HEADER_INPUT}
${LLDB_CONFIG_HEADER_OUTPUT}
)
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