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34b8d5cba5
llvm-ar is using CompareStringOrdinal which is available only starting with Windows Vista (WINVER 0x600). Fix this by hoising WindowsSupport.h, which sets _WIN32_WINNT to 0x0601, up to llvm/include/llvm/Support and use it in llvm-ar. Patch by Cristian Adam! Differential revision: https://reviews.llvm.org/D74599
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
//===-- InitLLVM.cpp -----------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/InitLLVM.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/Process.h"
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#include "llvm/Support/Signals.h"
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#include <string>
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#ifdef _WIN32
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#include "llvm/Support/Windows/WindowsSupport.h"
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#endif
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using namespace llvm;
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using namespace llvm::sys;
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InitLLVM::InitLLVM(int &Argc, const char **&Argv,
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bool InstallPipeSignalExitHandler)
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: StackPrinter(Argc, Argv) {
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if (InstallPipeSignalExitHandler)
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sys::SetOneShotPipeSignalFunction(sys::DefaultOneShotPipeSignalHandler);
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sys::PrintStackTraceOnErrorSignal(Argv[0]);
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install_out_of_memory_new_handler();
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#ifdef _WIN32
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// We use UTF-8 as the internal character encoding. On Windows,
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// arguments passed to main() may not be encoded in UTF-8. In order
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// to reliably detect encoding of command line arguments, we use an
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// Windows API to obtain arguments, convert them to UTF-8, and then
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// write them back to the Argv vector.
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//
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// There's probably other way to do the same thing (e.g. using
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// wmain() instead of main()), but this way seems less intrusive
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// than that.
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std::string Banner = std::string(Argv[0]) + ": ";
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ExitOnError ExitOnErr(Banner);
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ExitOnErr(errorCodeToError(windows::GetCommandLineArguments(Args, Alloc)));
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// GetCommandLineArguments doesn't terminate the vector with a
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// nullptr. Do it to make it compatible with the real argv.
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Args.push_back(nullptr);
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Argc = Args.size() - 1;
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Argv = Args.data();
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#endif
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}
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InitLLVM::~InitLLVM() { llvm_shutdown(); }
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