Files
clang-p2996/lldb/cmake/modules/LLDBGenerateConfig.cmake
Pavel Labath 5d4d168c3c [cmake] Move LLDB_DISABLE_LIBEDIT handling code into a central place
This was previously scattered between the main CMakeLists.txt file and
LLDBGenerateConfig.cmake and LLDBConfig.cmake. This caused the some of
the code to be executed in incorrect order. Specifically, the check for
el_winsertstr was done before libedit_LIBRARIES was computed, and so it
always failed on the first run.

Moving it the two checks to a central place makes sure this doesn't
happen again and improves the overall readability.

llvm-svn: 355103
2019-02-28 16:04:54 +00:00

43 lines
1.4 KiB
CMake

# 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_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_CONFIG_TERMIOS_SUPPORTED ${HAVE_TERMIOS_H})
if(NOT UNIX)
set(LLDB_DISABLE_POSIX 1)
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}
)