#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/Config/llvm-config.h"
static void VisitComponent(StringRef Name,
const StringMap<AvailableComponent*> &ComponentMap,
std::set<AvailableComponent*> &VisitedComponents,
- std::vector<StringRef> &RequiredLibs) {
+ std::vector<StringRef> &RequiredLibs,
+ bool IncludeNonInstalled) {
// Lookup the component.
AvailableComponent *AC = ComponentMap.lookup(Name);
assert(AC && "Invalid component name!");
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);
+ RequiredLibs, IncludeNonInstalled);
}
// Add to the required library list.
/// \param Components - The names of the components to find libraries for.
/// \param RequiredLibs [out] - On return, the ordered list of libraries that
/// are required to link the given components.
-void ComputeLibsForComponents(const std::vector<StringRef> &Components,
- std::vector<StringRef> &RequiredLibs) {
+/// \param IncludeNonInstalled - Whether non-installed components should be
+/// reported.
+static void ComputeLibsForComponents(const std::vector<StringRef> &Components,
+ std::vector<StringRef> &RequiredLibs,
+ bool IncludeNonInstalled) {
std::set<AvailableComponent*> VisitedComponents;
// Build a map of component names to information.
}
VisitComponent(ComponentLower, ComponentMap, VisitedComponents,
- RequiredLibs);
+ RequiredLibs, IncludeNonInstalled);
}
// The list is now ordered with leafs first, we want the libraries to printed
/* *** */
-void usage() {
+static void usage() {
errs() << "\
usage: llvm-config <OPTION>... [<COMPONENT>...]\n\
\n\
--cflags C compiler flags for files that include LLVM headers.\n\
--cxxflags C++ compiler flags for files that include LLVM headers.\n\
--ldflags Print Linker flags.\n\
+ --system-libs System Libraries needed to link against LLVM components.\n\
--libs Libraries needed to link against LLVM components.\n\
--libnames Bare library names for in-tree builds.\n\
--libfiles Fully qualified library filenames for makefile depends.\n\
--targets-built List of all targets currently built.\n\
--host-target Target triple used to configure LLVM.\n\
--build-mode Print build mode of LLVM tree (e.g. Debug or Release).\n\
+ --assertion-mode Print assertion mode of LLVM tree (ON or OFF).\n\
+ --build-system Print the build system used to build LLVM (autoconf or cmake).\n\
+ --has-rtti Print whether or not LLVM was built with rtti (YES or NO).\n\
Typical components:\n\
all All LLVM libraries (default).\n\
engine Either a native JIT or a bitcode interpreter.\n";
}
/// \brief Compute the path to the main executable.
-llvm::sys::Path GetExecutablePath(const char *Argv0) {
+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::Path::GetMainExecutable(Argv0, P);
+ return llvm::sys::fs::getMainExecutable(Argv0, P);
}
int main(int argc, char **argv) {
std::vector<StringRef> Components;
bool PrintLibs = false, PrintLibNames = false, PrintLibFiles = false;
+ bool PrintSystemLibs = 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, DevelopmentTreeLayoutIsCMakeStyle;
- llvm::SmallString<256> CurrentPath(GetExecutablePath(argv[0]).str());
+ bool IsInDevelopmentTree;
+ enum { MakefileStyle, 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);
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). This could be wrong in the face of
- // symbolic links, but is good enough.
- if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT) + "/" + LLVM_BUILDMODE) {
+ // locations (prefix style or CMake style).
+ if (sys::fs::equivalent(CurrentExecPrefix,
+ Twine(LLVM_OBJ_ROOT) + "/" + build_mode)) {
IsInDevelopmentTree = true;
- DevelopmentTreeLayoutIsCMakeStyle = false;
+ DevelopmentTreeLayout = MakefileStyle;
// If we are in a development tree, then check if we are in a BuildTools
// directory. This indicates we are built for the build triple, but we
} else {
ActiveObjRoot = LLVM_OBJ_ROOT;
}
- } else if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT) + "/bin") {
+ } else if (sys::fs::equivalent(CurrentExecPrefix, LLVM_OBJ_ROOT)) {
IsInDevelopmentTree = true;
- DevelopmentTreeLayoutIsCMakeStyle = true;
+ DevelopmentTreeLayout = CMakeStyle;
+ ActiveObjRoot = LLVM_OBJ_ROOT;
+ } else if (sys::fs::equivalent(CurrentExecPrefix,
+ Twine(LLVM_OBJ_ROOT) + "/bin")) {
+ IsInDevelopmentTree = true;
+ DevelopmentTreeLayout = CMakeBuildModeStyle;
ActiveObjRoot = LLVM_OBJ_ROOT;
} else {
IsInDevelopmentTree = false;
+ DevelopmentTreeLayout = MakefileStyle; // Initialized to avoid warnings.
}
// Compute various directory locations based on the derived location
// CMake organizes the products differently than a normal prefix style
// layout.
- if (DevelopmentTreeLayoutIsCMakeStyle) {
- ActiveBinDir = ActiveObjRoot + "/bin/" + LLVM_BUILDMODE;
- ActiveLibDir = ActiveObjRoot + "/lib/" + LLVM_BUILDMODE;
- } else {
- ActiveBinDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/bin";
- ActiveLibDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/lib";
+ switch (DevelopmentTreeLayout) {
+ case MakefileStyle:
+ ActivePrefix = ActiveObjRoot;
+ ActiveBinDir = ActiveObjRoot + "/" + build_mode + "/bin";
+ ActiveLibDir =
+ ActiveObjRoot + "/" + build_mode + "/lib" + LLVM_LIBDIR_SUFFIX;
+ break;
+ case CMakeStyle:
+ ActiveBinDir = ActiveObjRoot + "/bin";
+ ActiveLibDir = ActiveObjRoot + "/lib" + LLVM_LIBDIR_SUFFIX;
+ break;
+ case CMakeBuildModeStyle:
+ ActivePrefix = ActiveObjRoot;
+ ActiveBinDir = ActiveObjRoot + "/bin/" + build_mode;
+ ActiveLibDir =
+ ActiveObjRoot + "/lib" + LLVM_LIBDIR_SUFFIX + "/" + build_mode;
+ break;
}
// We need to include files from both the source and object trees.
ActivePrefix = CurrentExecPrefix;
ActiveIncludeDir = ActivePrefix + "/include";
ActiveBinDir = ActivePrefix + "/bin";
- ActiveLibDir = ActivePrefix + "/lib";
+ ActiveLibDir = ActivePrefix + "/lib" + LLVM_LIBDIR_SUFFIX;
ActiveIncludeOption = "-I" + ActiveIncludeDir;
}
} else if (Arg == "--cxxflags") {
OS << ActiveIncludeOption << ' ' << LLVM_CXXFLAGS << '\n';
} else if (Arg == "--ldflags") {
- OS << "-L" << ActiveLibDir << ' ' << LLVM_LDFLAGS
- << ' ' << LLVM_SYSTEM_LIBS << '\n';
+ OS << "-L" << ActiveLibDir << ' ' << LLVM_LDFLAGS << '\n';
+ } else if (Arg == "--system-libs") {
+ PrintSystemLibs = true;
} else if (Arg == "--libs") {
PrintLibs = true;
} else if (Arg == "--libnames") {
PrintLibFiles = true;
} else if (Arg == "--components") {
for (unsigned j = 0; j != array_lengthof(AvailableComponents); ++j) {
+ // Only include non-installed components when in a development tree.
+ if (!AvailableComponents[j].IsInstalled && !IsInDevelopmentTree)
+ continue;
+
OS << ' ';
OS << AvailableComponents[j].Name;
}
} else if (Arg == "--targets-built") {
OS << LLVM_TARGETS_BUILT << '\n';
} else if (Arg == "--host-target") {
- OS << LLVM_DEFAULT_TARGET_TRIPLE << '\n';
+ OS << Triple::normalize(LLVM_DEFAULT_TARGET_TRIPLE) << '\n';
} else if (Arg == "--build-mode") {
- OS << LLVM_BUILDMODE << '\n';
+ 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 << '\n';
} else if (Arg == "--obj-root") {
- OS << LLVM_OBJ_ROOT << '\n';
+ OS << ActivePrefix << '\n';
} else if (Arg == "--src-root") {
OS << LLVM_SRC_ROOT << '\n';
} else {
if (!HasAnyOption)
usage();
- if (PrintLibs || PrintLibNames || PrintLibFiles) {
+ if (PrintLibs || PrintLibNames || PrintLibFiles || PrintSystemLibs) {
// If no components were specified, default to "all".
if (Components.empty())
Components.push_back("all");
// Construct the list of all the required libraries.
std::vector<StringRef> RequiredLibs;
- ComputeLibsForComponents(Components, RequiredLibs);
-
- for (unsigned i = 0, e = RequiredLibs.size(); i != e; ++i) {
- StringRef Lib = RequiredLibs[i];
- if (i)
- OS << ' ';
-
- if (PrintLibNames) {
- OS << Lib;
- } else if (PrintLibFiles) {
- OS << ActiveLibDir << '/' << Lib;
- } else if (PrintLibs) {
- // If this is a typical library name, include it using -l.
- if (Lib.startswith("lib") && Lib.endswith(".a")) {
- OS << "-l" << Lib.slice(3, Lib.size()-2);
- continue;
- }
+ ComputeLibsForComponents(Components, RequiredLibs,
+ /*IncludeNonInstalled=*/IsInDevelopmentTree);
+
+ if (PrintLibs || PrintLibNames || PrintLibFiles) {
+ for (unsigned i = 0, e = RequiredLibs.size(); i != e; ++i) {
+ StringRef Lib = RequiredLibs[i];
+ if (i)
+ OS << ' ';
- // Otherwise, print the full path.
- OS << ActiveLibDir << '/' << Lib;
+ if (PrintLibNames) {
+ OS << Lib;
+ } else if (PrintLibFiles) {
+ OS << ActiveLibDir << '/' << Lib;
+ } else if (PrintLibs) {
+ // If this is a typical library name, include it using -l.
+ if (Lib.startswith("lib") && Lib.endswith(".a")) {
+ OS << "-l" << Lib.slice(3, Lib.size()-2);
+ continue;
+ }
+
+ // Otherwise, print the full path.
+ OS << ActiveLibDir << '/' << Lib;
+ }
}
+ OS << '\n';
}
- OS << '\n';
+
+ // Print SYSTEM_LIBS after --libs.
+ // FIXME: Each LLVM component may have its dependent system libs.
+ if (PrintSystemLibs)
+ OS << LLVM_SYSTEM_LIBS << '\n';
} else if (!Components.empty()) {
errs() << "llvm-config: error: components given, but unused\n\n";
usage();
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