llvm-config.cpp revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338
1cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar//===-- llvm-config.cpp - LLVM project configuration utility --------------===// 2cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// 3cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// The LLVM Compiler Infrastructure 4cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// 5cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// This file is distributed under the University of Illinois Open Source 6cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// License. See LICENSE.TXT for details. 7cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// 8cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar//===----------------------------------------------------------------------===// 9cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// 10cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// This tool encapsulates information about an LLVM project configuration for 11cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// use by other project's build environments (to determine installed path, 12cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// available features, required libraries, etc.). 13cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// 14cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// Note that although this tool *may* be used by some parts of LLVM's build 15cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// itself (i.e., the Makefiles use it to compute required libraries when linking 16cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// tools), this tool is primarily designed to support external projects. 17cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// 18cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar//===----------------------------------------------------------------------===// 19cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 20cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/ADT/STLExtras.h" 21cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/ADT/StringMap.h" 22cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/ADT/StringRef.h" 2336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/ADT/Triple.h" 24cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/ADT/Twine.h" 25cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Config/config.h" 26cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Config/llvm-config.h" 27cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Support/FileSystem.h" 28cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Support/Path.h" 29cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Support/raw_ostream.h" 30cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include <cstdlib> 31cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include <set> 32cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include <vector> 33cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 34cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarusing namespace llvm; 35cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 36cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// Include the build time variables we can report to the user. This is generated 37cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// at build time from the BuildVariables.inc.in file by the build system. 38cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "BuildVariables.inc" 39cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 40cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// Include the component table. This creates an array of struct 41cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// AvailableComponent entries, which record the component name, library name, 42cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// and required components for all of the available libraries. 43cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// 44cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// Not all components define a library, we also use "library groups" as a way to 45cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// create entries for pseudo groups like x86 or all-targets. 46cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "LibraryDependencies.inc" 47cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 48cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \brief Traverse a single component adding to the topological ordering in 49cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \arg RequiredLibs. 50cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// 51cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param Name - The component to traverse. 52cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param ComponentMap - A prebuilt map of component names to descriptors. 53cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param VisitedComponents [in] [out] - The set of already visited components. 54cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param RequiredLibs [out] - The ordered list of required libraries. 55cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarstatic void VisitComponent(StringRef Name, 56cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar const StringMap<AvailableComponent*> &ComponentMap, 57cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::set<AvailableComponent*> &VisitedComponents, 58b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar std::vector<StringRef> &RequiredLibs, 59b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar bool IncludeNonInstalled) { 60cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Lookup the component. 61cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar AvailableComponent *AC = ComponentMap.lookup(Name); 62cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar assert(AC && "Invalid component name!"); 63cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 64cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Add to the visited table. 65cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (!VisitedComponents.insert(AC).second) { 66cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // We are done if the component has already been visited. 67cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar return; 68cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 69cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 70b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar // Only include non-installed components if requested. 71b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar if (!AC->IsInstalled && !IncludeNonInstalled) 72b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar return; 73b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar 74cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Otherwise, visit all the dependencies. 75cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned i = 0; AC->RequiredLibraries[i]; ++i) { 76cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar VisitComponent(AC->RequiredLibraries[i], ComponentMap, VisitedComponents, 77b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar RequiredLibs, IncludeNonInstalled); 78cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 79cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 80cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Add to the required library list. 81cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (AC->Library) 82cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar RequiredLibs.push_back(AC->Library); 83cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 84cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 85cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \brief Compute the list of required libraries for a given list of 86cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// components, in an order suitable for passing to a linker (that is, libraries 87cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// appear prior to their dependencies). 88cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// 89cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param Components - The names of the components to find libraries for. 90cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param RequiredLibs [out] - On return, the ordered list of libraries that 91cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// are required to link the given components. 92b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar/// \param IncludeNonInstalled - Whether non-installed components should be 93b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar/// reported. 94cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarvoid ComputeLibsForComponents(const std::vector<StringRef> &Components, 95b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar std::vector<StringRef> &RequiredLibs, 96b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar bool IncludeNonInstalled) { 97cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::set<AvailableComponent*> VisitedComponents; 98cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 99cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Build a map of component names to information. 100cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar StringMap<AvailableComponent*> ComponentMap; 101cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned i = 0; i != array_lengthof(AvailableComponents); ++i) { 102cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar AvailableComponent *AC = &AvailableComponents[i]; 103cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ComponentMap[AC->Name] = AC; 104cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 105cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 106cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Visit the components. 107cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned i = 0, e = Components.size(); i != e; ++i) { 108cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Users are allowed to provide mixed case component names. 109cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string ComponentLower = Components[i].lower(); 110cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 111cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Validate that the user supplied a valid component name. 112cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (!ComponentMap.count(ComponentLower)) { 113cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm::errs() << "llvm-config: unknown component name: " << Components[i] 114cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar << "\n"; 115cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar exit(1); 116cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 117cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 118cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar VisitComponent(ComponentLower, ComponentMap, VisitedComponents, 119b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar RequiredLibs, IncludeNonInstalled); 120cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 121cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 122cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // The list is now ordered with leafs first, we want the libraries to printed 123cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // in the reverse order of dependency. 124cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::reverse(RequiredLibs.begin(), RequiredLibs.end()); 125cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 126cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 127cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/* *** */ 128cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 129cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarvoid usage() { 130cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar errs() << "\ 131cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarusage: llvm-config <OPTION>... [<COMPONENT>...]\n\ 132cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar\n\ 133cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel DunbarGet various configuration information needed to compile programs which use\n\ 134cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel DunbarLLVM. Typically called from 'configure' scripts. Examples:\n\ 135cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm-config --cxxflags\n\ 136cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm-config --ldflags\n\ 137cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm-config --libs engine bcreader scalaropts\n\ 138cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar\n\ 139cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel DunbarOptions:\n\ 140cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --version Print LLVM version.\n\ 141cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --prefix Print the installation prefix.\n\ 142cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --src-root Print the source root LLVM was built from.\n\ 143cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --obj-root Print the object root used to build LLVM.\n\ 144cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --bindir Directory containing LLVM executables.\n\ 145cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --includedir Directory containing LLVM headers.\n\ 146cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --libdir Directory containing LLVM libraries.\n\ 147cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --cppflags C preprocessor flags for files that include LLVM headers.\n\ 148cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --cflags C compiler flags for files that include LLVM headers.\n\ 149cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --cxxflags C++ compiler flags for files that include LLVM headers.\n\ 150cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --ldflags Print Linker flags.\n\ 15136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines --system-libs System Libraries needed to link against LLVM components.\n\ 152cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --libs Libraries needed to link against LLVM components.\n\ 153cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --libnames Bare library names for in-tree builds.\n\ 154cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --libfiles Fully qualified library filenames for makefile depends.\n\ 155cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --components List of all possible components.\n\ 156cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --targets-built List of all targets currently built.\n\ 157cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --host-target Target triple used to configure LLVM.\n\ 158cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --build-mode Print build mode of LLVM tree (e.g. Debug or Release).\n\ 15936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines --assertion-mode Print assertion mode of LLVM tree (ON or OFF).\n\ 160cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel DunbarTypical components:\n\ 161cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar all All LLVM libraries (default).\n\ 162cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar engine Either a native JIT or a bitcode interpreter.\n"; 163cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar exit(1); 164cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 165cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 166cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \brief Compute the path to the main executable. 16750188c1f42c122640ab9ccac2134acf371c26b2cRafael Espindolastd::string GetExecutablePath(const char *Argv0) { 168cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 169cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // allow taking the address of ::main however. 170cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 17150188c1f42c122640ab9ccac2134acf371c26b2cRafael Espindola return llvm::sys::fs::getMainExecutable(Argv0, P); 172cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 173cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 174cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarint main(int argc, char **argv) { 175cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::vector<StringRef> Components; 176cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar bool PrintLibs = false, PrintLibNames = false, PrintLibFiles = false; 17736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines bool PrintSystemLibs = false; 178cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar bool HasAnyOption = false; 179cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 180cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // llvm-config is designed to support being run both from a development tree 181cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // and from an installed path. We try and auto-detect which case we are in so 182cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // that we can report the correct information when run from a development 183cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // tree. 184b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne bool IsInDevelopmentTree; 185b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne enum { MakefileStyle, CMakeStyle, CMakeBuildModeStyle } DevelopmentTreeLayout; 18650188c1f42c122640ab9ccac2134acf371c26b2cRafael Espindola llvm::SmallString<256> CurrentPath(GetExecutablePath(argv[0])); 187cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string CurrentExecPrefix; 188cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string ActiveObjRoot; 189cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 19036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // If CMAKE_CFG_INTDIR is given, honor it as build mode. 19136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines char const *build_mode = LLVM_BUILDMODE; 19236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#if defined(CMAKE_CFG_INTDIR) 19336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (!(CMAKE_CFG_INTDIR[0] == '.' && CMAKE_CFG_INTDIR[1] == '\0')) 19436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines build_mode = CMAKE_CFG_INTDIR; 19536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#endif 19636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 197cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Create an absolute path, and pop up one directory (we expect to be inside a 198cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // bin dir). 199cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar sys::fs::make_absolute(CurrentPath); 200cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar CurrentExecPrefix = sys::path::parent_path( 201cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar sys::path::parent_path(CurrentPath)).str(); 202cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 203cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Check to see if we are inside a development tree by comparing to possible 20440d65dc3058e8d58426953d44e2ea0eccf996371Daniel Dunbar // locations (prefix style or CMake style). 20540d65dc3058e8d58426953d44e2ea0eccf996371Daniel Dunbar if (sys::fs::equivalent(CurrentExecPrefix, 20636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Twine(LLVM_OBJ_ROOT) + "/" + build_mode)) { 207cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar IsInDevelopmentTree = true; 208b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne DevelopmentTreeLayout = MakefileStyle; 209cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 210cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // If we are in a development tree, then check if we are in a BuildTools 211cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // directory. This indicates we are built for the build triple, but we 212cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // always want to provide information for the host triple. 213cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (sys::path::filename(LLVM_OBJ_ROOT) == "BuildTools") { 214cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveObjRoot = sys::path::parent_path(LLVM_OBJ_ROOT); 215cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 216cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveObjRoot = LLVM_OBJ_ROOT; 217cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 21840d65dc3058e8d58426953d44e2ea0eccf996371Daniel Dunbar } else if (sys::fs::equivalent(CurrentExecPrefix, LLVM_OBJ_ROOT)) { 219b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne IsInDevelopmentTree = true; 220b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne DevelopmentTreeLayout = CMakeStyle; 221b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne ActiveObjRoot = LLVM_OBJ_ROOT; 22240d65dc3058e8d58426953d44e2ea0eccf996371Daniel Dunbar } else if (sys::fs::equivalent(CurrentExecPrefix, 22340d65dc3058e8d58426953d44e2ea0eccf996371Daniel Dunbar Twine(LLVM_OBJ_ROOT) + "/bin")) { 224cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar IsInDevelopmentTree = true; 225b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne DevelopmentTreeLayout = CMakeBuildModeStyle; 226cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveObjRoot = LLVM_OBJ_ROOT; 227cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 228cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar IsInDevelopmentTree = false; 2299778ad51ee1d2a604b6cc4bece336d2bc4bfbe20Duncan Sands DevelopmentTreeLayout = MakefileStyle; // Initialized to avoid warnings. 230cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 231cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 232cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Compute various directory locations based on the derived location 233cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // information. 234cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string ActivePrefix, ActiveBinDir, ActiveIncludeDir, ActiveLibDir; 235cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string ActiveIncludeOption; 236cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (IsInDevelopmentTree) { 237cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveIncludeDir = std::string(LLVM_SRC_ROOT) + "/include"; 238cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActivePrefix = CurrentExecPrefix; 239cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 240cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // CMake organizes the products differently than a normal prefix style 241cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // layout. 242b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne switch (DevelopmentTreeLayout) { 243b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne case MakefileStyle: 24436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines ActivePrefix = ActiveObjRoot; 24536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines ActiveBinDir = ActiveObjRoot + "/" + build_mode + "/bin"; 24636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines ActiveLibDir = ActiveObjRoot + "/" + build_mode + "/lib"; 247b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne break; 248b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne case CMakeStyle: 249b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne ActiveBinDir = ActiveObjRoot + "/bin"; 250b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne ActiveLibDir = ActiveObjRoot + "/lib"; 251b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne break; 252b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne case CMakeBuildModeStyle: 25336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines ActivePrefix = ActiveObjRoot; 25436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines ActiveBinDir = ActiveObjRoot + "/bin/" + build_mode; 25536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines ActiveLibDir = ActiveObjRoot + "/lib/" + build_mode; 256b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne break; 257cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 258cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 259cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // We need to include files from both the source and object trees. 260cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveIncludeOption = ("-I" + ActiveIncludeDir + " " + 261cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar "-I" + ActiveObjRoot + "/include"); 262cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 263cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActivePrefix = CurrentExecPrefix; 264cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveIncludeDir = ActivePrefix + "/include"; 265cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveBinDir = ActivePrefix + "/bin"; 266cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveLibDir = ActivePrefix + "/lib"; 267cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveIncludeOption = "-I" + ActiveIncludeDir; 268cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 269cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 270cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar raw_ostream &OS = outs(); 271cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (int i = 1; i != argc; ++i) { 272cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar StringRef Arg = argv[i]; 273cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 274cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (Arg.startswith("-")) { 275cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar HasAnyOption = true; 276cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (Arg == "--version") { 277cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << PACKAGE_VERSION << '\n'; 278cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--prefix") { 279cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActivePrefix << '\n'; 280cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--bindir") { 281cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveBinDir << '\n'; 282cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--includedir") { 283cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveIncludeDir << '\n'; 284cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--libdir") { 285cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveLibDir << '\n'; 286cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--cppflags") { 287cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveIncludeOption << ' ' << LLVM_CPPFLAGS << '\n'; 288cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--cflags") { 289cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveIncludeOption << ' ' << LLVM_CFLAGS << '\n'; 290cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--cxxflags") { 291cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveIncludeOption << ' ' << LLVM_CXXFLAGS << '\n'; 292cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--ldflags") { 29336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << "-L" << ActiveLibDir << ' ' << LLVM_LDFLAGS << '\n'; 29436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } else if (Arg == "--system-libs") { 29536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PrintSystemLibs = true; 296cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--libs") { 297cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar PrintLibs = true; 298cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--libnames") { 299cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar PrintLibNames = true; 300cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--libfiles") { 301cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar PrintLibFiles = true; 302cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--components") { 303cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned j = 0; j != array_lengthof(AvailableComponents); ++j) { 304b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar // Only include non-installed components when in a development tree. 305b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar if (!AvailableComponents[j].IsInstalled && !IsInDevelopmentTree) 306b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar continue; 307b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar 308cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ' '; 309cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << AvailableComponents[j].Name; 310cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 311cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << '\n'; 312cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--targets-built") { 313275dd94afedd3b7331e5e93c9bbadac9a0415798Daniel Dunbar OS << LLVM_TARGETS_BUILT << '\n'; 314cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--host-target") { 31536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << Triple::normalize(LLVM_DEFAULT_TARGET_TRIPLE) << '\n'; 316cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--build-mode") { 31736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << build_mode << '\n'; 31836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } else if (Arg == "--assertion-mode") { 31936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#if defined(NDEBUG) 32036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << "OFF\n"; 32136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#else 32236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << "ON\n"; 32336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#endif 324cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--obj-root") { 32536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << ActivePrefix << '\n'; 326cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--src-root") { 327cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << LLVM_SRC_ROOT << '\n'; 328cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 329cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar usage(); 330cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 331cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 332cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar Components.push_back(Arg); 333cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 334cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 335cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 336cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (!HasAnyOption) 337cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar usage(); 338cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 33936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (PrintLibs || PrintLibNames || PrintLibFiles || PrintSystemLibs) { 3408033f6197c2cd7a71c9a725e49efaa402a17e707Daniel Dunbar // If no components were specified, default to "all". 3418033f6197c2cd7a71c9a725e49efaa402a17e707Daniel Dunbar if (Components.empty()) 3428033f6197c2cd7a71c9a725e49efaa402a17e707Daniel Dunbar Components.push_back("all"); 3438033f6197c2cd7a71c9a725e49efaa402a17e707Daniel Dunbar 344cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Construct the list of all the required libraries. 345cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::vector<StringRef> RequiredLibs; 346b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar ComputeLibsForComponents(Components, RequiredLibs, 347b5cd41e26f89aad2f2dc4f5dc37577f7abf8528aDaniel Dunbar /*IncludeNonInstalled=*/IsInDevelopmentTree); 348cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 34936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (PrintLibs || PrintLibNames || PrintLibFiles) { 35036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines for (unsigned i = 0, e = RequiredLibs.size(); i != e; ++i) { 35136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines StringRef Lib = RequiredLibs[i]; 35236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (i) 35336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << ' '; 354cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 35536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (PrintLibNames) { 35636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << Lib; 35736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } else if (PrintLibFiles) { 35836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << ActiveLibDir << '/' << Lib; 35936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } else if (PrintLibs) { 36036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // If this is a typical library name, include it using -l. 36136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (Lib.startswith("lib") && Lib.endswith(".a")) { 36236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << "-l" << Lib.slice(3, Lib.size()-2); 36336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines continue; 36436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } 36536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 36636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Otherwise, print the full path. 36736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << ActiveLibDir << '/' << Lib; 36836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } 369cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 37036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << '\n'; 371cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 37236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 37336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Print SYSTEM_LIBS after --libs. 37436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // FIXME: Each LLVM component may have its dependent system libs. 37536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (PrintSystemLibs) 37636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines OS << LLVM_SYSTEM_LIBS << '\n'; 377cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (!Components.empty()) { 378cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar errs() << "llvm-config: error: components given, but unused\n\n"; 379cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar usage(); 380cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 381cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 382cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar return 0; 383cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 384