llvm-config.cpp revision b56900aa86aa535fb1f060f5935d1e209e45d907
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" 23cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/ADT/Twine.h" 24cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Config/config.h" 25cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Config/llvm-config.h" 26cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Support/FileSystem.h" 27cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Support/Path.h" 28cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "llvm/Support/raw_ostream.h" 29cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include <cstdlib> 30cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include <set> 31cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include <vector> 32cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 33cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarusing namespace llvm; 34cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 35cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// Include the build time variables we can report to the user. This is generated 36cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// at build time from the BuildVariables.inc.in file by the build system. 37cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "BuildVariables.inc" 38cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 39cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// Include the component table. This creates an array of struct 40cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// AvailableComponent entries, which record the component name, library name, 41cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// and required components for all of the available libraries. 42cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// 43cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// Not all components define a library, we also use "library groups" as a way to 44cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar// create entries for pseudo groups like x86 or all-targets. 45cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar#include "LibraryDependencies.inc" 46cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 47cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \brief Traverse a single component adding to the topological ordering in 48cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \arg RequiredLibs. 49cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// 50cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param Name - The component to traverse. 51cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param ComponentMap - A prebuilt map of component names to descriptors. 52cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param VisitedComponents [in] [out] - The set of already visited components. 53cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param RequiredLibs [out] - The ordered list of required libraries. 54cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarstatic void VisitComponent(StringRef Name, 55cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar const StringMap<AvailableComponent*> &ComponentMap, 56cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::set<AvailableComponent*> &VisitedComponents, 57cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::vector<StringRef> &RequiredLibs) { 58cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Lookup the component. 59cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar AvailableComponent *AC = ComponentMap.lookup(Name); 60cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar assert(AC && "Invalid component name!"); 61cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 62cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Add to the visited table. 63cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (!VisitedComponents.insert(AC).second) { 64cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // We are done if the component has already been visited. 65cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar return; 66cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 67cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 68cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Otherwise, visit all the dependencies. 69cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned i = 0; AC->RequiredLibraries[i]; ++i) { 70cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar VisitComponent(AC->RequiredLibraries[i], ComponentMap, VisitedComponents, 71cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar RequiredLibs); 72cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 73cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 74cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Add to the required library list. 75cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (AC->Library) 76cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar RequiredLibs.push_back(AC->Library); 77cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 78cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 79cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \brief Compute the list of required libraries for a given list of 80cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// components, in an order suitable for passing to a linker (that is, libraries 81cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// appear prior to their dependencies). 82cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// 83cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param Components - The names of the components to find libraries for. 84cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \param RequiredLibs [out] - On return, the ordered list of libraries that 85cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// are required to link the given components. 86cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarvoid ComputeLibsForComponents(const std::vector<StringRef> &Components, 87cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::vector<StringRef> &RequiredLibs) { 88cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::set<AvailableComponent*> VisitedComponents; 89cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 90cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Build a map of component names to information. 91cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar StringMap<AvailableComponent*> ComponentMap; 92cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned i = 0; i != array_lengthof(AvailableComponents); ++i) { 93cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar AvailableComponent *AC = &AvailableComponents[i]; 94cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ComponentMap[AC->Name] = AC; 95cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 96cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 97cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Visit the components. 98cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned i = 0, e = Components.size(); i != e; ++i) { 99cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Users are allowed to provide mixed case component names. 100cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string ComponentLower = Components[i].lower(); 101cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 102cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Validate that the user supplied a valid component name. 103cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (!ComponentMap.count(ComponentLower)) { 104cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm::errs() << "llvm-config: unknown component name: " << Components[i] 105cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar << "\n"; 106cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar exit(1); 107cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 108cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 109cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar VisitComponent(ComponentLower, ComponentMap, VisitedComponents, 110cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar RequiredLibs); 111cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 112cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 113cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // The list is now ordered with leafs first, we want the libraries to printed 114cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // in the reverse order of dependency. 115cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::reverse(RequiredLibs.begin(), RequiredLibs.end()); 116cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 117cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 118cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/* *** */ 119cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 120cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarvoid usage() { 121cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar errs() << "\ 122cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarusage: llvm-config <OPTION>... [<COMPONENT>...]\n\ 123cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar\n\ 124cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel DunbarGet various configuration information needed to compile programs which use\n\ 125cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel DunbarLLVM. Typically called from 'configure' scripts. Examples:\n\ 126cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm-config --cxxflags\n\ 127cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm-config --ldflags\n\ 128cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm-config --libs engine bcreader scalaropts\n\ 129cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar\n\ 130cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel DunbarOptions:\n\ 131cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --version Print LLVM version.\n\ 132cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --prefix Print the installation prefix.\n\ 133cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --src-root Print the source root LLVM was built from.\n\ 134cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --obj-root Print the object root used to build LLVM.\n\ 135cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --bindir Directory containing LLVM executables.\n\ 136cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --includedir Directory containing LLVM headers.\n\ 137cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --libdir Directory containing LLVM libraries.\n\ 138cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --cppflags C preprocessor flags for files that include LLVM headers.\n\ 139cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --cflags C compiler flags for files that include LLVM headers.\n\ 140cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --cxxflags C++ compiler flags for files that include LLVM headers.\n\ 141cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --ldflags Print Linker flags.\n\ 142cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --libs Libraries needed to link against LLVM components.\n\ 143cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --libnames Bare library names for in-tree builds.\n\ 144cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --libfiles Fully qualified library filenames for makefile depends.\n\ 145cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --components List of all possible components.\n\ 146cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --targets-built List of all targets currently built.\n\ 147cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --host-target Target triple used to configure LLVM.\n\ 148cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar --build-mode Print build mode of LLVM tree (e.g. Debug or Release).\n\ 149cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel DunbarTypical components:\n\ 150cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar all All LLVM libraries (default).\n\ 151cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar engine Either a native JIT or a bitcode interpreter.\n"; 152cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar exit(1); 153cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 154cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 155cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar/// \brief Compute the path to the main executable. 156cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarllvm::sys::Path GetExecutablePath(const char *Argv0) { 157cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // This just needs to be some symbol in the binary; C++ doesn't 158cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // allow taking the address of ::main however. 159cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar void *P = (void*) (intptr_t) GetExecutablePath; 160cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar return llvm::sys::Path::GetMainExecutable(Argv0, P); 161cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 162cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 163cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbarint main(int argc, char **argv) { 164cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::vector<StringRef> Components; 165cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar bool PrintLibs = false, PrintLibNames = false, PrintLibFiles = false; 166cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar bool HasAnyOption = false; 167cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 168cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // llvm-config is designed to support being run both from a development tree 169cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // and from an installed path. We try and auto-detect which case we are in so 170cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // that we can report the correct information when run from a development 171cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // tree. 172b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne bool IsInDevelopmentTree; 173b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne enum { MakefileStyle, CMakeStyle, CMakeBuildModeStyle } DevelopmentTreeLayout; 174cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar llvm::SmallString<256> CurrentPath(GetExecutablePath(argv[0]).str()); 175cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string CurrentExecPrefix; 176cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string ActiveObjRoot; 177cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 178cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Create an absolute path, and pop up one directory (we expect to be inside a 179cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // bin dir). 180cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar sys::fs::make_absolute(CurrentPath); 181cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar CurrentExecPrefix = sys::path::parent_path( 182cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar sys::path::parent_path(CurrentPath)).str(); 183cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 184cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Check to see if we are inside a development tree by comparing to possible 185cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // locations (prefix style or CMake style). This could be wrong in the face of 186cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // symbolic links, but is good enough. 187cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT) + "/" + LLVM_BUILDMODE) { 188cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar IsInDevelopmentTree = true; 189b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne DevelopmentTreeLayout = MakefileStyle; 190cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 191cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // If we are in a development tree, then check if we are in a BuildTools 192cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // directory. This indicates we are built for the build triple, but we 193cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // always want to provide information for the host triple. 194cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (sys::path::filename(LLVM_OBJ_ROOT) == "BuildTools") { 195cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveObjRoot = sys::path::parent_path(LLVM_OBJ_ROOT); 196cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 197cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveObjRoot = LLVM_OBJ_ROOT; 198cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 199b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne } else if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT)) { 200b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne IsInDevelopmentTree = true; 201b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne DevelopmentTreeLayout = CMakeStyle; 202b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne ActiveObjRoot = LLVM_OBJ_ROOT; 203cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT) + "/bin") { 204cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar IsInDevelopmentTree = true; 205b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne DevelopmentTreeLayout = CMakeBuildModeStyle; 206cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveObjRoot = LLVM_OBJ_ROOT; 207cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 208cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar IsInDevelopmentTree = false; 209cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 210cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 211cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Compute various directory locations based on the derived location 212cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // information. 213cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string ActivePrefix, ActiveBinDir, ActiveIncludeDir, ActiveLibDir; 214cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::string ActiveIncludeOption; 215cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (IsInDevelopmentTree) { 216cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveIncludeDir = std::string(LLVM_SRC_ROOT) + "/include"; 217cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActivePrefix = CurrentExecPrefix; 218cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 219cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // CMake organizes the products differently than a normal prefix style 220cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // layout. 221b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne switch (DevelopmentTreeLayout) { 222b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne case MakefileStyle: 223cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveBinDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/bin"; 224cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveLibDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/lib"; 225b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne break; 226b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne case CMakeStyle: 227b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne ActiveBinDir = ActiveObjRoot + "/bin"; 228b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne ActiveLibDir = ActiveObjRoot + "/lib"; 229b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne break; 230b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne case CMakeBuildModeStyle: 231b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne ActiveBinDir = ActiveObjRoot + "/bin/" + LLVM_BUILDMODE; 232b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne ActiveLibDir = ActiveObjRoot + "/lib/" + LLVM_BUILDMODE; 233b56900aa86aa535fb1f060f5935d1e209e45d907Peter Collingbourne break; 234cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 235cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 236cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // We need to include files from both the source and object trees. 237cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveIncludeOption = ("-I" + ActiveIncludeDir + " " + 238cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar "-I" + ActiveObjRoot + "/include"); 239cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 240cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActivePrefix = CurrentExecPrefix; 241cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveIncludeDir = ActivePrefix + "/include"; 242cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveBinDir = ActivePrefix + "/bin"; 243cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveLibDir = ActivePrefix + "/lib"; 244cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ActiveIncludeOption = "-I" + ActiveIncludeDir; 245cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 246cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 247cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar raw_ostream &OS = outs(); 248cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (int i = 1; i != argc; ++i) { 249cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar StringRef Arg = argv[i]; 250cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 251cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (Arg.startswith("-")) { 252cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar HasAnyOption = true; 253cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (Arg == "--version") { 254cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << PACKAGE_VERSION << '\n'; 255cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--prefix") { 256cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActivePrefix << '\n'; 257cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--bindir") { 258cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveBinDir << '\n'; 259cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--includedir") { 260cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveIncludeDir << '\n'; 261cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--libdir") { 262cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveLibDir << '\n'; 263cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--cppflags") { 264cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveIncludeOption << ' ' << LLVM_CPPFLAGS << '\n'; 265cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--cflags") { 266cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveIncludeOption << ' ' << LLVM_CFLAGS << '\n'; 267cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--cxxflags") { 268cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveIncludeOption << ' ' << LLVM_CXXFLAGS << '\n'; 269cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--ldflags") { 270cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << "-L" << ActiveLibDir << ' ' << LLVM_LDFLAGS 271cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar << ' ' << LLVM_SYSTEM_LIBS << '\n'; 272cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--libs") { 273cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar PrintLibs = true; 274cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--libnames") { 275cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar PrintLibNames = true; 276cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--libfiles") { 277cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar PrintLibFiles = true; 278cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--components") { 279cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned j = 0; j != array_lengthof(AvailableComponents); ++j) { 280cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ' '; 281cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << AvailableComponents[j].Name; 282cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 283cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << '\n'; 284cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--targets-built") { 285275dd94afedd3b7331e5e93c9bbadac9a0415798Daniel Dunbar OS << LLVM_TARGETS_BUILT << '\n'; 286cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--host-target") { 287cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << LLVM_DEFAULT_TARGET_TRIPLE << '\n'; 288cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--build-mode") { 289cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << LLVM_BUILDMODE << '\n'; 290cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--obj-root") { 291cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << LLVM_OBJ_ROOT << '\n'; 292cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (Arg == "--src-root") { 293cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << LLVM_SRC_ROOT << '\n'; 294cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 295cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar usage(); 296cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 297cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else { 298cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar Components.push_back(Arg); 299cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 300cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 301cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 302cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (!HasAnyOption) 303cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar usage(); 304cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 305cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (PrintLibs || PrintLibNames || PrintLibFiles) { 3068033f6197c2cd7a71c9a725e49efaa402a17e707Daniel Dunbar // If no components were specified, default to "all". 3078033f6197c2cd7a71c9a725e49efaa402a17e707Daniel Dunbar if (Components.empty()) 3088033f6197c2cd7a71c9a725e49efaa402a17e707Daniel Dunbar Components.push_back("all"); 3098033f6197c2cd7a71c9a725e49efaa402a17e707Daniel Dunbar 310cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Construct the list of all the required libraries. 311cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar std::vector<StringRef> RequiredLibs; 312cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar ComputeLibsForComponents(Components, RequiredLibs); 313cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 314cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar for (unsigned i = 0, e = RequiredLibs.size(); i != e; ++i) { 315cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar StringRef Lib = RequiredLibs[i]; 316cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (i) 317cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ' '; 318cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 319cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (PrintLibNames) { 320cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << Lib; 321cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (PrintLibFiles) { 322cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveLibDir << '/' << Lib; 323cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (PrintLibs) { 324cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // If this is a typical library name, include it using -l. 325cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar if (Lib.startswith("lib") && Lib.endswith(".a")) { 326cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << "-l" << Lib.slice(3, Lib.size()-2); 327cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar continue; 328cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 329cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 330cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar // Otherwise, print the full path. 331cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << ActiveLibDir << '/' << Lib; 332cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 333cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 334cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar OS << '\n'; 335cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } else if (!Components.empty()) { 336cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar errs() << "llvm-config: error: components given, but unused\n\n"; 337cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar usage(); 338cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar } 339cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar 340cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar return 0; 341cb497b888aabebe13de431c8a6e7c7d31f4dea0cDaniel Dunbar} 342