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e715940241
This only works when swift is packaged with Xcode or installed as a command line tool, but those are the important cases. <rdar://problem/14395800>, again. Swift SVN r18757
44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
//===--- Util.cpp - Common Driver Utilities -------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Driver/Util.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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using namespace swift;
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std::string driver::findRelativeExecutable(StringRef compilerPath,
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StringRef executableName) {
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llvm::SmallString<128> path{compilerPath};
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llvm::sys::path::remove_filename(path); // swift
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// First try "bin/<executable>" (i.e. next to Swift).
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llvm::sys::path::append(path, executableName);
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if (llvm::sys::fs::exists(path.str()))
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return path.str().str();
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// Then see if we're in an Xcode toolchain.
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llvm::sys::path::remove_filename(path); // <executable>
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llvm::sys::path::remove_filename(path); // bin
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llvm::sys::path::remove_filename(path); // usr
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if (llvm::sys::path::extension(path) == ".xctoolchain") {
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llvm::sys::path::remove_filename(path); // *.xctoolchain
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llvm::sys::path::remove_filename(path); // Toolchains
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llvm::sys::path::append(path, "usr", "bin", executableName);
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if (llvm::sys::fs::exists(path.str()))
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return path.str().str();
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}
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return {};
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}
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