Radix cross Linux

The main Radix cross Linux repository contains the build scripts of packages, which have the most complete and common functionality for desktop machines

452 Commits   2 Branches   1 Tag
Index: create.patch.sh
===================================================================
--- create.patch.sh	(nonexistent)
+++ create.patch.sh	(revision 40)
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+VERSION=16.0.2
+
+tar --files-from=file.list -xJvf ../llvm-$VERSION.tar.xz
+mv llvm-$VERSION llvm-$VERSION-orig
+
+cp -rf ./llvm-$VERSION-new ./llvm-$VERSION
+
+diff --unified -Nr  llvm-$VERSION-orig  llvm-$VERSION > llvm-$VERSION-llvm-versioning.patch
+
+mv llvm-$VERSION-llvm-versioning.patch ../patches
+
+rm -rf ./llvm-$VERSION
+rm -rf ./llvm-$VERSION-orig

Property changes on: create.patch.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: file.list
===================================================================
--- file.list	(nonexistent)
+++ file.list	(revision 40)
@@ -0,0 +1 @@
+llvm-16.0.2/llvm/tools/llvm-config/llvm-config.cpp
Index: llvm-16.0.2-new/llvm/tools/llvm-config/llvm-config.cpp
===================================================================
--- llvm-16.0.2-new/llvm/tools/llvm-config/llvm-config.cpp	(nonexistent)
+++ llvm-16.0.2-new/llvm/tools/llvm-config/llvm-config.cpp	(revision 40)
@@ -0,0 +1,748 @@
+//===-- llvm-config.cpp - LLVM project configuration utility --------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This tool encapsulates information about an LLVM project configuration for
+// use by other project's build environments (to determine installed path,
+// available features, required libraries, etc.).
+//
+// Note that although this tool *may* be used by some parts of LLVM's build
+// itself (i.e., the Makefiles use it to compute required libraries when linking
+// tools), this tool is primarily designed to support external projects.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Config/llvm-config.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Config/config.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/WithColor.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cstdlib>
+#include <set>
+#include <unordered_set>
+#include <vector>
+
+using namespace llvm;
+
+// Include the build time variables we can report to the user. This is generated
+// at build time from the BuildVariables.inc.in file by the build system.
+#include "BuildVariables.inc"
+
+// Include the component table. This creates an array of struct
+// AvailableComponent entries, which record the component name, library name,
+// and required components for all of the available libraries.
+//
+// Not all components define a library, we also use "library groups" as a way to
+// create entries for pseudo groups like x86 or all-targets.
+#include "LibraryDependencies.inc"
+
+// Built-in extensions also register their dependencies, but in a separate file,
+// later in the process.
+#include "ExtensionDependencies.inc"
+
+// LinkMode determines what libraries and flags are returned by llvm-config.
+enum LinkMode {
+  // LinkModeAuto will link with the default link mode for the installation,
+  // which is dependent on the value of LLVM_LINK_LLVM_DYLIB, and fall back
+  // to the alternative if the required libraries are not available.
+  LinkModeAuto = 0,
+
+  // LinkModeShared will link with the dynamic component libraries if they
+  // exist, and return an error otherwise.
+  LinkModeShared = 1,
+
+  // LinkModeStatic will link with the static component libraries if they
+  // exist, and return an error otherwise.
+  LinkModeStatic = 2,
+};
+
+/// Traverse a single component adding to the topological ordering in
+/// \arg RequiredLibs.
+///
+/// \param Name - The component to traverse.
+/// \param ComponentMap - A prebuilt map of component names to descriptors.
+/// \param VisitedComponents [in] [out] - The set of already visited components.
+/// \param RequiredLibs [out] - The ordered list of required
+/// libraries.
+/// \param GetComponentNames - Get the component names instead of the
+/// library name.
+static void VisitComponent(const std::string &Name,
+                           const StringMap<AvailableComponent *> &ComponentMap,
+                           std::set<AvailableComponent *> &VisitedComponents,
+                           std::vector<std::string> &RequiredLibs,
+                           bool IncludeNonInstalled, bool GetComponentNames,
+                           const std::function<std::string(const StringRef &)>
+                               *GetComponentLibraryPath,
+                           std::vector<std::string> *Missing,
+                           const std::string &DirSep) {
+  // Lookup the component.
+  AvailableComponent *AC = ComponentMap.lookup(Name);
+  if (!AC) {
+    errs() << "Can't find component: '" << Name << "' in the map. Available components are: ";
+    for (const auto &Component : ComponentMap) {
+      errs() << "'" << Component.first() << "' ";
+    }
+    errs() << "\n";
+    report_fatal_error("abort");
+  }
+  assert(AC && "Invalid component name!");
+
+  // Add to the visited table.
+  if (!VisitedComponents.insert(AC).second) {
+    // We are done if the component has already been visited.
+    return;
+  }
+
+  // Only include non-installed components if requested.
+  if (!AC->IsInstalled && !IncludeNonInstalled)
+    return;
+
+  // Otherwise, visit all the dependencies.
+  for (unsigned i = 0; AC->RequiredLibraries[i]; ++i) {
+    VisitComponent(AC->RequiredLibraries[i], ComponentMap, VisitedComponents,
+                   RequiredLibs, IncludeNonInstalled, GetComponentNames,
+                   GetComponentLibraryPath, Missing, DirSep);
+  }
+
+  // Special handling for the special 'extensions' component. Its content is
+  // not populated by llvm-build, but later in the process and loaded from
+  // ExtensionDependencies.inc.
+  if (Name == "extensions") {
+    for (auto const &AvailableExtension : AvailableExtensions) {
+      for (const char *const *Iter = &AvailableExtension.RequiredLibraries[0];
+           *Iter; ++Iter) {
+        AvailableComponent *AC = ComponentMap.lookup(*Iter);
+        if (!AC) {
+          RequiredLibs.push_back(*Iter);
+        } else {
+          VisitComponent(*Iter, ComponentMap, VisitedComponents, RequiredLibs,
+                         IncludeNonInstalled, GetComponentNames,
+                         GetComponentLibraryPath, Missing, DirSep);
+        }
+      }
+    }
+  }
+
+  if (GetComponentNames) {
+    RequiredLibs.push_back(Name);
+    return;
+  }
+
+  // Add to the required library list.
+  if (AC->Library) {
+    if (Missing && GetComponentLibraryPath) {
+      std::string path = (*GetComponentLibraryPath)(AC->Library);
+      if (DirSep == "\\") {
+        std::replace(path.begin(), path.end(), '/', '\\');
+      }
+      if (!sys::fs::exists(path))
+        Missing->push_back(path);
+    }
+    RequiredLibs.push_back(AC->Library);
+  }
+}
+
+/// Compute the list of required libraries for a given list of
+/// components, in an order suitable for passing to a linker (that is, libraries
+/// appear prior to their dependencies).
+///
+/// \param Components - The names of the components to find libraries for.
+/// \param IncludeNonInstalled - Whether non-installed components should be
+/// reported.
+/// \param GetComponentNames - True if one would prefer the component names.
+static std::vector<std::string> ComputeLibsForComponents(
+    const std::vector<StringRef> &Components, bool IncludeNonInstalled,
+    bool GetComponentNames, const std::function<std::string(const StringRef &)>
+                                *GetComponentLibraryPath,
+    std::vector<std::string> *Missing, const std::string &DirSep) {
+  std::vector<std::string> RequiredLibs;
+  std::set<AvailableComponent *> VisitedComponents;
+
+  // Build a map of component names to information.
+  StringMap<AvailableComponent *> ComponentMap;
+  for (auto &AC : AvailableComponents)
+    ComponentMap[AC.Name] = &AC;
+
+  // Visit the components.
+  for (unsigned i = 0, e = Components.size(); i != e; ++i) {
+    // Users are allowed to provide mixed case component names.
+    std::string ComponentLower = Components[i].lower();
+
+    // Validate that the user supplied a valid component name.
+    if (!ComponentMap.count(ComponentLower)) {
+      llvm::errs() << "llvm-config: unknown component name: " << Components[i]
+                   << "\n";
+      exit(1);
+    }
+
+    VisitComponent(ComponentLower, ComponentMap, VisitedComponents,
+                   RequiredLibs, IncludeNonInstalled, GetComponentNames,
+                   GetComponentLibraryPath, Missing, DirSep);
+  }
+
+  // The list is now ordered with leafs first, we want the libraries to printed
+  // in the reverse order of dependency.
+  std::reverse(RequiredLibs.begin(), RequiredLibs.end());
+
+  return RequiredLibs;
+}
+
+/* *** */
+
+static void usage(bool ExitWithFailure = true) {
+  errs() << "\
+usage: llvm-config <OPTION>... [<COMPONENT>...]\n\
+\n\
+Get various configuration information needed to compile programs which use\n\
+LLVM.  Typically called from 'configure' scripts.  Examples:\n\
+  llvm-config --cxxflags\n\
+  llvm-config --ldflags\n\
+  llvm-config --libs engine bcreader scalaropts\n\
+\n\
+Options:\n\
+  --assertion-mode  Print assertion mode of LLVM tree (ON or OFF).\n\
+  --bindir          Directory containing LLVM executables.\n\
+  --build-mode      Print build mode of LLVM tree (e.g. Debug or Release).\n\
+  --build-system    Print the build system used to build LLVM (e.g. `cmake` or `gn`).\n\
+  --cflags          C compiler flags for files that include LLVM headers.\n\
+  --cmakedir        Directory containing LLVM CMake modules.\n\
+  --components      List of all possible components.\n\
+  --cppflags        C preprocessor flags for files that include LLVM headers.\n\
+  --cxxflags        C++ compiler flags for files that include LLVM headers.\n\
+  --has-rtti        Print whether or not LLVM was built with rtti (YES or NO).\n\
+  --help            Print a summary of llvm-config arguments.\n\
+  --host-target     Target triple used to configure LLVM.\n\
+  --ignore-libllvm  Ignore libLLVM and link component libraries instead.\n\
+  --includedir      Directory containing LLVM headers.\n\
+  --ldflags         Print Linker flags.\n\
+  --libdir          Directory containing LLVM libraries.\n\
+  --libfiles        Fully qualified library filenames for makefile depends.\n\
+  --libnames        Bare library names for in-tree builds.\n\
+  --libs            Libraries needed to link against LLVM components.\n\
+  --link-shared     Link the components as shared libraries.\n\
+  --link-static     Link the component libraries statically.\n\
+  --obj-root        Print the object root used to build LLVM.\n\
+  --prefix          Print the installation prefix.\n\
+  --shared-mode     Print how the provided components can be collectively linked (`shared` or `static`).\n\
+  --system-libs     System Libraries needed to link against LLVM components.\n\
+  --targets-built   List of all targets currently built.\n\
+  --version         Print LLVM version.\n\
+Typical components:\n\
+  all               All LLVM libraries (default).\n\
+  engine            Either a native JIT or a bitcode interpreter.\n";
+  if (ExitWithFailure)
+    exit(1);
+}
+
+/// Compute the path to the main executable.
+std::string GetExecutablePath(const char *Argv0) {
+  // This just needs to be some symbol in the binary; C++ doesn't
+  // allow taking the address of ::main however.
+  void *P = (void *)(intptr_t)GetExecutablePath;
+  return llvm::sys::fs::getMainExecutable(Argv0, P);
+}
+
+/// Expand the semi-colon delimited LLVM_DYLIB_COMPONENTS into
+/// the full list of components.
+std::vector<std::string> GetAllDyLibComponents(const bool IsInDevelopmentTree,
+                                               const bool GetComponentNames,
+                                               const std::string &DirSep) {
+  std::vector<StringRef> DyLibComponents;
+
+  StringRef DyLibComponentsStr(LLVM_DYLIB_COMPONENTS);
+  size_t Offset = 0;
+  while (true) {
+    const size_t NextOffset = DyLibComponentsStr.find(';', Offset);
+    DyLibComponents.push_back(DyLibComponentsStr.substr(Offset, NextOffset-Offset));
+    if (NextOffset == std::string::npos) {
+      break;
+    }
+    Offset = NextOffset + 1;
+  }
+
+  assert(!DyLibComponents.empty());
+
+  return ComputeLibsForComponents(DyLibComponents,
+                                  /*IncludeNonInstalled=*/IsInDevelopmentTree,
+                                  GetComponentNames, nullptr, nullptr, DirSep);
+}
+
+int main(int argc, char **argv) {
+  std::vector<StringRef> Components;
+  bool PrintLibs = false, PrintLibNames = false, PrintLibFiles = false;
+  bool PrintSystemLibs = false, PrintSharedMode = false;
+  bool HasAnyOption = false;
+
+  // llvm-config is designed to support being run both from a development tree
+  // and from an installed path. We try and auto-detect which case we are in so
+  // that we can report the correct information when run from a development
+  // tree.
+  bool IsInDevelopmentTree;
+  enum { CMakeStyle, CMakeBuildModeStyle } DevelopmentTreeLayout;
+  llvm::SmallString<256> CurrentPath(GetExecutablePath(argv[0]));
+  std::string CurrentExecPrefix;
+  std::string ActiveObjRoot;
+
+  // If CMAKE_CFG_INTDIR is given, honor it as build mode.
+  char const *build_mode = LLVM_BUILDMODE;
+#if defined(CMAKE_CFG_INTDIR)
+  if (!(CMAKE_CFG_INTDIR[0] == '.' && CMAKE_CFG_INTDIR[1] == '\0'))
+    build_mode = CMAKE_CFG_INTDIR;
+#endif
+
+  // Create an absolute path, and pop up one directory (we expect to be inside a
+  // bin dir).
+  sys::fs::make_absolute(CurrentPath);
+  CurrentExecPrefix =
+      sys::path::parent_path(sys::path::parent_path(CurrentPath)).str();
+
+  // Check to see if we are inside a development tree by comparing to possible
+  // locations (prefix style or CMake style).
+  if (sys::fs::equivalent(CurrentExecPrefix, LLVM_OBJ_ROOT)) {
+    IsInDevelopmentTree = true;
+    DevelopmentTreeLayout = CMakeStyle;
+    ActiveObjRoot = LLVM_OBJ_ROOT;
+  } else if (sys::fs::equivalent(sys::path::parent_path(CurrentExecPrefix),
+                                 LLVM_OBJ_ROOT)) {
+    IsInDevelopmentTree = true;
+    DevelopmentTreeLayout = CMakeBuildModeStyle;
+    ActiveObjRoot = LLVM_OBJ_ROOT;
+  } else {
+    IsInDevelopmentTree = false;
+    DevelopmentTreeLayout = CMakeStyle; // Initialized to avoid warnings.
+  }
+
+  // Compute various directory locations based on the derived location
+  // information.
+  std::string ActivePrefix, ActiveBinDir, ActiveIncludeDir, ActiveLibDir,
+              ActiveCMakeDir;
+  std::string ActiveIncludeOption;
+  if (IsInDevelopmentTree) {
+    ActiveIncludeDir = std::string(LLVM_SRC_ROOT) + "/include";
+    ActivePrefix = CurrentExecPrefix;
+
+    // CMake organizes the products differently than a normal prefix style
+    // layout.
+    switch (DevelopmentTreeLayout) {
+    case CMakeStyle:
+      ActiveBinDir = ActiveObjRoot + "/bin";
+      ActiveLibDir = ActiveObjRoot + "/lib" + LLVM_LIBDIR_SUFFIX;
+      ActiveCMakeDir = ActiveLibDir + "/cmake/llvm";
+      break;
+    case CMakeBuildModeStyle:
+      // FIXME: Should we consider the build-mode-specific path as the prefix?
+      ActivePrefix = ActiveObjRoot;
+      ActiveBinDir = ActiveObjRoot + "/" + build_mode + "/bin";
+      ActiveLibDir =
+          ActiveObjRoot + "/" + build_mode + "/lib" + LLVM_LIBDIR_SUFFIX;
+      // The CMake directory isn't separated by build mode.
+      ActiveCMakeDir =
+          ActivePrefix + "/lib" + LLVM_LIBDIR_SUFFIX + "/cmake/llvm";
+      break;
+    }
+
+    // We need to include files from both the source and object trees.
+    ActiveIncludeOption =
+        ("-I" + ActiveIncludeDir + " " + "-I" + ActiveObjRoot + "/include");
+  } else {
+    ActivePrefix = CurrentExecPrefix;
+    {
+      SmallString<256> Path(LLVM_INSTALL_INCLUDEDIR);
+      sys::fs::make_absolute(ActivePrefix, Path);
+      ActiveIncludeDir = std::string(Path.str());
+    }
+    {
+      SmallString<256> Path(LLVM_TOOLS_INSTALL_DIR);
+      sys::fs::make_absolute(ActivePrefix, Path);
+      ActiveBinDir = std::string(Path.str());
+    }
+    ActiveLibDir = ActivePrefix + "/lib" + LLVM_LIBDIR_SUFFIX;
+    {
+      SmallString<256> Path(LLVM_INSTALL_PACKAGE_DIR);
+      sys::fs::make_absolute(ActivePrefix, Path);
+      ActiveCMakeDir = std::string(Path.str());
+    }
+    ActiveIncludeOption = "-I" + ActiveIncludeDir;
+  }
+
+  /// We only use `shared library` mode in cases where the static library form
+  /// of the components provided are not available; note however that this is
+  /// skipped if we're run from within the build dir. However, once installed,
+  /// we still need to provide correct output when the static archives are
+  /// removed or, as in the case of CMake's `BUILD_SHARED_LIBS`, never present
+  /// in the first place. This can't be done at configure/build time.
+
+  StringRef SharedExt, SharedVersionedExt, SharedDir, SharedPrefix, StaticExt,
+      StaticPrefix, StaticDir = "lib";
+  std::string DirSep = "/";
+  const Triple HostTriple(Triple::normalize(LLVM_HOST_TRIPLE));
+  if (HostTriple.isOSWindows()) {
+    SharedExt = "dll";
+    SharedVersionedExt = LLVM_DYLIB_VERSION ".dll";
+    if (HostTriple.isOSCygMing()) {
+      SharedPrefix = "lib";
+      StaticExt = "a";
+      StaticPrefix = "lib";
+    } else {
+      StaticExt = "lib";
+      DirSep = "\\";
+      std::replace(ActiveObjRoot.begin(), ActiveObjRoot.end(), '/', '\\');
+      std::replace(ActivePrefix.begin(), ActivePrefix.end(), '/', '\\');
+      std::replace(ActiveBinDir.begin(), ActiveBinDir.end(), '/', '\\');
+      std::replace(ActiveLibDir.begin(), ActiveLibDir.end(), '/', '\\');
+      std::replace(ActiveCMakeDir.begin(), ActiveCMakeDir.end(), '/', '\\');
+      std::replace(ActiveIncludeOption.begin(), ActiveIncludeOption.end(), '/',
+                   '\\');
+    }
+    SharedDir = ActiveBinDir;
+    StaticDir = ActiveLibDir;
+  } else if (HostTriple.isOSDarwin()) {
+    SharedExt = "dylib";
+    SharedVersionedExt = LLVM_DYLIB_VERSION ".dylib";
+    StaticExt = "a";
+    StaticDir = SharedDir = ActiveLibDir;
+    StaticPrefix = SharedPrefix = "lib";
+  } else {
+    // default to the unix values:
+    SharedExt = "so";
+    StaticExt = "a";
+    StaticDir = SharedDir = ActiveLibDir;
+    StaticPrefix = SharedPrefix = "lib";
+  }
+
+  const bool BuiltDyLib = !!LLVM_ENABLE_DYLIB;
+
+  /// CMake style shared libs, ie each component is in a shared library.
+  const bool BuiltSharedLibs = !!LLVM_ENABLE_SHARED;
+
+  bool DyLibExists = false;
+  const std::string DyLibName =
+      (SharedPrefix + "LLVM." + SharedExt).str();
+
+  // If LLVM_LINK_DYLIB is ON, the single shared library will be returned
+  // for "--libs", etc, if they exist. This behaviour can be overridden with
+  // --link-static or --link-shared.
+  bool LinkDyLib = !!LLVM_LINK_DYLIB;
+
+  if (BuiltDyLib) {
+    std::string path((SharedDir + DirSep + DyLibName).str());
+    if (DirSep == "\\") {
+      std::replace(path.begin(), path.end(), '/', '\\');
+    }
+    DyLibExists = sys::fs::exists(path);
+    if (!DyLibExists) {
+      // The shared library does not exist: don't error unless the user
+      // explicitly passes --link-shared.
+      LinkDyLib = false;
+    }
+  }
+  LinkMode LinkMode =
+      (LinkDyLib || BuiltSharedLibs) ? LinkModeShared : LinkModeAuto;
+
+  /// Get the component's library name without the lib prefix and the
+  /// extension. Returns true if Lib is in a recognized format.
+  auto GetComponentLibraryNameSlice = [&](const StringRef &Lib,
+                                          StringRef &Out) {
+    if (Lib.startswith("lib")) {
+      unsigned FromEnd;
+      if (Lib.endswith(StaticExt)) {
+        FromEnd = StaticExt.size() + 1;
+      } else if (Lib.endswith(SharedExt)) {
+        FromEnd = SharedExt.size() + 1;
+      } else {
+        FromEnd = 0;
+      }
+
+      if (FromEnd != 0) {
+        Out = Lib.slice(3, Lib.size() - FromEnd);
+        return true;
+      }
+    }
+
+    return false;
+  };
+  /// Maps Unixizms to the host platform.
+  auto GetComponentLibraryFileName = [&](const StringRef &Lib,
+                                         const bool Shared) {
+    std::string LibFileName;
+    if (Shared) {
+      if (Lib == DyLibName) {
+        // Treat the DyLibName specially. It is not a component library and
+        // already has the necessary prefix and suffix (e.g. `.so`) added so
+        // just return it unmodified.
+        assert(Lib.endswith(SharedExt) && "DyLib is missing suffix");
+        LibFileName = std::string(Lib);
+      } else {
+        LibFileName = (SharedPrefix + Lib + "." + SharedExt).str();
+      }
+    } else {
+      // default to static
+      LibFileName = (StaticPrefix + Lib + "." + StaticExt).str();
+    }
+
+    return LibFileName;
+  };
+  /// Get the full path for a possibly shared component library.
+  auto GetComponentLibraryPath = [&](const StringRef &Name, const bool Shared) {
+    auto LibFileName = GetComponentLibraryFileName(Name, Shared);
+    if (Shared) {
+      return (SharedDir + DirSep + LibFileName).str();
+    } else {
+      return (StaticDir + DirSep + LibFileName).str();
+    }
+  };
+
+  raw_ostream &OS = outs();
+  for (int i = 1; i != argc; ++i) {
+    StringRef Arg = argv[i];
+
+    if (Arg.startswith("-")) {
+      HasAnyOption = true;
+      if (Arg == "--version") {
+        OS << PACKAGE_VERSION << '\n';
+      } else if (Arg == "--prefix") {
+        OS << ActivePrefix << '\n';
+      } else if (Arg == "--bindir") {
+        OS << ActiveBinDir << '\n';
+      } else if (Arg == "--includedir") {
+        OS << ActiveIncludeDir << '\n';
+      } else if (Arg == "--libdir") {
+        OS << ActiveLibDir << '\n';
+      } else if (Arg == "--cmakedir") {
+        OS << ActiveCMakeDir << '\n';
+      } else if (Arg == "--cppflags") {
+        OS << ActiveIncludeOption << ' ' << LLVM_CPPFLAGS << '\n';
+      } else if (Arg == "--cflags") {
+        OS << ActiveIncludeOption << ' ' << LLVM_CFLAGS << '\n';
+      } else if (Arg == "--cxxflags") {
+        OS << ActiveIncludeOption << ' ' << LLVM_CXXFLAGS << '\n';
+      } else if (Arg == "--ldflags") {
+        OS << ((HostTriple.isWindowsMSVCEnvironment()) ? "-LIBPATH:" : "-L")
+           << ActiveLibDir << ' ' << LLVM_LDFLAGS << '\n';
+      } else if (Arg == "--system-libs") {
+        PrintSystemLibs = true;
+      } else if (Arg == "--libs") {
+        PrintLibs = true;
+      } else if (Arg == "--libnames") {
+        PrintLibNames = true;
+      } else if (Arg == "--libfiles") {
+        PrintLibFiles = true;
+      } else if (Arg == "--components") {
+        /// If there are missing static archives and a dylib was
+        /// built, print LLVM_DYLIB_COMPONENTS instead of everything
+        /// in the manifest.
+        std::vector<std::string> Components;
+        for (const auto &AC : AvailableComponents) {
+          // Only include non-installed components when in a development tree.
+          if (!AC.IsInstalled && !IsInDevelopmentTree)
+            continue;
+
+          Components.push_back(AC.Name);
+          if (AC.Library && !IsInDevelopmentTree) {
+            std::string path(GetComponentLibraryPath(AC.Library, false));
+            if (DirSep == "\\") {
+              std::replace(path.begin(), path.end(), '/', '\\');
+            }
+            if (DyLibExists && !sys::fs::exists(path)) {
+              Components =
+                  GetAllDyLibComponents(IsInDevelopmentTree, true, DirSep);
+              llvm::sort(Components);
+              break;
+            }
+          }
+        }
+
+        for (unsigned I = 0; I < Components.size(); ++I) {
+          if (I) {
+            OS << ' ';
+          }
+
+          OS << Components[I];
+        }
+        OS << '\n';
+      } else if (Arg == "--targets-built") {
+        OS << LLVM_TARGETS_BUILT << '\n';
+      } else if (Arg == "--host-target") {
+        OS << Triple::normalize(LLVM_DEFAULT_TARGET_TRIPLE) << '\n';
+      } else if (Arg == "--build-mode") {
+        OS << build_mode << '\n';
+      } else if (Arg == "--assertion-mode") {
+#if defined(NDEBUG)
+        OS << "OFF\n";
+#else
+        OS << "ON\n";
+#endif
+      } else if (Arg == "--build-system") {
+        OS << LLVM_BUILD_SYSTEM << '\n';
+      } else if (Arg == "--has-rtti") {
+        OS << (LLVM_HAS_RTTI ? "YES" : "NO") << '\n';
+      } else if (Arg == "--shared-mode") {
+        PrintSharedMode = true;
+      } else if (Arg == "--obj-root") {
+        OS << ActivePrefix << '\n';
+      } else if (Arg == "--ignore-libllvm") {
+        LinkDyLib = false;
+        LinkMode = BuiltSharedLibs ? LinkModeShared : LinkModeAuto;
+      } else if (Arg == "--link-shared") {
+        LinkMode = LinkModeShared;
+      } else if (Arg == "--link-static") {
+        LinkMode = LinkModeStatic;
+      } else if (Arg == "--help") {
+        usage(false);
+      } else {
+        usage();
+      }
+    } else {
+      Components.push_back(Arg);
+    }
+  }
+
+  if (!HasAnyOption)
+    usage();
+
+  if (LinkMode == LinkModeShared && !DyLibExists && !BuiltSharedLibs) {
+    WithColor::error(errs(), "llvm-config") << DyLibName << " is missing\n";
+    return 1;
+  }
+
+  if (PrintLibs || PrintLibNames || PrintLibFiles || PrintSystemLibs ||
+      PrintSharedMode) {
+
+    if (PrintSharedMode && BuiltSharedLibs) {
+      OS << "shared\n";
+      return 0;
+    }
+
+    // If no components were specified, default to "all".
+    if (Components.empty())
+      Components.push_back("all");
+
+    // Construct the list of all the required libraries.
+    std::function<std::string(const StringRef &)>
+        GetComponentLibraryPathFunction = [&](const StringRef &Name) {
+          return GetComponentLibraryPath(Name, LinkMode == LinkModeShared);
+        };
+    std::vector<std::string> MissingLibs;
+    std::vector<std::string> RequiredLibs = ComputeLibsForComponents(
+        Components,
+        /*IncludeNonInstalled=*/IsInDevelopmentTree, false,
+        &GetComponentLibraryPathFunction, &MissingLibs, DirSep);
+    if (!MissingLibs.empty()) {
+      switch (LinkMode) {
+      case LinkModeShared:
+        if (LinkDyLib && !BuiltSharedLibs)
+          break;
+        // Using component shared libraries.
+        for (auto &Lib : MissingLibs)
+          WithColor::error(errs(), "llvm-config") << "missing: " << Lib << "\n";
+        return 1;
+      case LinkModeAuto:
+        if (DyLibExists) {
+          LinkMode = LinkModeShared;
+          break;
+        }
+        WithColor::error(errs(), "llvm-config")
+            << "component libraries and shared library\n\n";
+        [[fallthrough]];
+      case LinkModeStatic:
+        for (auto &Lib : MissingLibs)
+          WithColor::error(errs(), "llvm-config") << "missing: " << Lib << "\n";
+        return 1;
+      }
+    } else if (LinkMode == LinkModeAuto) {
+      LinkMode = LinkModeStatic;
+    }
+
+    if (PrintSharedMode) {
+      std::unordered_set<std::string> FullDyLibComponents;
+      std::vector<std::string> DyLibComponents =
+          GetAllDyLibComponents(IsInDevelopmentTree, false, DirSep);
+
+      for (auto &Component : DyLibComponents) {
+        FullDyLibComponents.insert(Component);
+      }
+      DyLibComponents.clear();
+
+      for (auto &Lib : RequiredLibs) {
+        if (!FullDyLibComponents.count(Lib)) {
+          OS << "static\n";
+          return 0;
+        }
+      }
+      FullDyLibComponents.clear();
+
+      if (LinkMode == LinkModeShared) {
+        OS << "shared\n";
+        return 0;
+      } else {
+        OS << "static\n";
+        return 0;
+      }
+    }
+
+    if (PrintLibs || PrintLibNames || PrintLibFiles) {
+
+      auto PrintForLib = [&](const StringRef &Lib) {
+        const bool Shared = LinkMode == LinkModeShared;
+        if (PrintLibNames) {
+          OS << GetComponentLibraryFileName(Lib, Shared);
+        } else if (PrintLibFiles) {
+          OS << GetComponentLibraryPath(Lib, Shared);
+        } else if (PrintLibs) {
+          // On Windows, output full path to library without parameters.
+          // Elsewhere, if this is a typical library name, include it using -l.
+          if (HostTriple.isWindowsMSVCEnvironment()) {
+            OS << GetComponentLibraryPath(Lib, Shared);
+          } else {
+            StringRef LibName;
+            if (GetComponentLibraryNameSlice(Lib, LibName)) {
+              // Extract library name (remove prefix and suffix).
+              OS << "-l" << LibName;
+            } else {
+              // Lib is already a library name without prefix and suffix.
+              OS << "-l" << Lib;
+            }
+          }
+        }
+      };
+
+      if (LinkMode == LinkModeShared && LinkDyLib) {
+        PrintForLib(DyLibName);
+      } else {
+        for (unsigned i = 0, e = RequiredLibs.size(); i != e; ++i) {
+          auto Lib = RequiredLibs[i];
+          if (i)
+            OS << ' ';
+
+          PrintForLib(Lib);
+        }
+      }
+      OS << '\n';
+    }
+
+    // Print SYSTEM_LIBS after --libs.
+    // FIXME: Each LLVM component may have its dependent system libs.
+    if (PrintSystemLibs) {
+      // Output system libraries only if linking against a static
+      // library (since the shared library links to all system libs
+      // already)
+      OS << (LinkMode == LinkModeStatic ? LLVM_SYSTEM_LIBS : "") << '\n';
+    }
+  } else if (!Components.empty()) {
+    WithColor::error(errs(), "llvm-config")
+        << "components given, but unused\n\n";
+    usage();
+  }
+
+  return 0;
+}