forked from OSchip/llvm-project
49 lines
1.6 KiB
CMake
49 lines
1.6 KiB
CMake
# This file contains all the logic for running configure-time checks
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include(CheckSymbolExists)
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include(CheckIncludeFile)
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include(CheckIncludeFiles)
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include(CheckLibraryExists)
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set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
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check_symbol_exists(ppoll poll.h HAVE_PPOLL)
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set(CMAKE_REQUIRED_DEFINITIONS)
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check_symbol_exists(sigaction signal.h HAVE_SIGACTION)
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check_cxx_symbol_exists(accept4 "sys/socket.h" HAVE_ACCEPT4)
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check_include_file(termios.h HAVE_TERMIOS_H)
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check_include_files("sys/types.h;sys/event.h" HAVE_SYS_EVENT_H)
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check_cxx_source_compiles("
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#include <sys/uio.h>
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int main() { process_vm_readv(0, nullptr, 0, nullptr, 0, 0); return 0; }"
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HAVE_PROCESS_VM_READV)
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check_cxx_source_compiles("
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#include <sys/syscall.h>
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int main() { return __NR_process_vm_readv; }"
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HAVE_NR_PROCESS_VM_READV)
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check_library_exists(compression compression_encode_buffer "" HAVE_LIBCOMPRESSION)
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# These checks exist in LLVM's configuration, so I want to match the LLVM names
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# so that the check isn't duplicated, but we translate them into the LLDB names
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# so that I don't have to change all the uses at the moment.
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set(LLDB_CONFIG_TERMIOS_SUPPORTED ${HAVE_TERMIOS_H})
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if(NOT UNIX)
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set(LLDB_DISABLE_POSIX 1)
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endif()
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if(NOT LLDB_CONFIG_HEADER_INPUT)
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set(LLDB_CONFIG_HEADER_INPUT ${LLDB_INCLUDE_ROOT}/lldb/Host/Config.h.cmake)
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endif()
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if(NOT LLDB_CONFIG_HEADER_OUTPUT)
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set(LLDB_CONFIG_HEADER_OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/include/lldb/Host/Config.h)
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endif()
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# This should be done at the end
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configure_file(
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${LLDB_CONFIG_HEADER_INPUT}
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${LLDB_CONFIG_HEADER_OUTPUT}
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)
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