#include "llvm/Support/raw_ostream.h"
#include <cstdlib>
#include <set>
-#include <unordered_set>
#include <vector>
+#include <unordered_set>
using namespace llvm;
// create entries for pseudo groups like x86 or all-targets.
#include "LibraryDependencies.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,
-
- // LinkModeDyLib will link with the single dynamic library if it exists,
- // and return an error if it does not exist.
- LinkModeDyLib = 1,
-
- // LinkModeStatic will link with the individual component static libraries
- // if they exist, and fail if any one does not exist.
- LinkModeStatic = 2,
-};
-
/// \brief Traverse a single component adding to the topological ordering in
/// \arg RequiredLibs.
///
/// 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,
+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::string *ActiveLibDir,
- std::vector<std::string> *Missing) {
+ const std::string *ActiveLibDir, bool *HasMissing) {
// Lookup the component.
AvailableComponent *AC = ComponentMap.lookup(Name);
assert(AC && "Invalid component name!");
for (unsigned i = 0; AC->RequiredLibraries[i]; ++i) {
VisitComponent(AC->RequiredLibraries[i], ComponentMap, VisitedComponents,
RequiredLibs, IncludeNonInstalled, GetComponentNames,
- ActiveLibDir, Missing);
+ ActiveLibDir, HasMissing);
}
if (GetComponentNames) {
// Add to the required library list.
if (AC->Library) {
- if (Missing && ActiveLibDir) {
- std::string path = *ActiveLibDir + "/" + AC->Library;
- if (!sys::fs::exists(path))
- Missing->push_back(path);
+ if (!IncludeNonInstalled && HasMissing && !*HasMissing && ActiveLibDir) {
+ *HasMissing = !sys::fs::exists(*ActiveLibDir + "/" + AC->Library);
}
RequiredLibs.push_back(AC->Library);
}
static std::vector<std::string>
ComputeLibsForComponents(const std::vector<StringRef> &Components,
bool IncludeNonInstalled, bool GetComponentNames,
- const std::string *ActiveLibDir,
- std::vector<std::string> *Missing) {
+ const std::string *ActiveLibDir, bool *HasMissing) {
std::vector<std::string> RequiredLibs;
std::set<AvailableComponent *> VisitedComponents;
// Build a map of component names to information.
- StringMap<AvailableComponent *> ComponentMap;
+ StringMap<AvailableComponent*> ComponentMap;
for (unsigned i = 0; i != array_lengthof(AvailableComponents); ++i) {
AvailableComponent *AC = &AvailableComponents[i];
ComponentMap[AC->Name] = AC;
VisitComponent(ComponentLower, ComponentMap, VisitedComponents,
RequiredLibs, IncludeNonInstalled, GetComponentNames,
- ActiveLibDir, Missing);
+ ActiveLibDir, HasMissing);
}
// The list is now ordered with leafs first, we want the libraries to printed
--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\
--shared-mode Print how the provided components can be collectively linked (`shared` or `static`).\n\
- --link-shared Link the components as a shared library.\n\
- --link-static Link the components as a static libraries.\n\
Typical components:\n\
all All LLVM libraries (default).\n\
engine Either a native JIT or a bitcode interpreter.\n";
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;
+ void *P = (void*) (intptr_t) GetExecutablePath;
return llvm::sys::fs::getMainExecutable(Argv0, P);
}
// 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();
+ 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).
}
// We need to include files from both the source and object trees.
- ActiveIncludeOption =
- ("-I" + ActiveIncludeDir + " " + "-I" + ActiveObjRoot + "/include");
+ ActiveIncludeOption = ("-I" + ActiveIncludeDir + " " +
+ "-I" + ActiveObjRoot + "/include");
} else {
ActivePrefix = CurrentExecPrefix;
ActiveIncludeDir = ActivePrefix + "/include";
/// in the first place. This can't be done at configure/build time.
StringRef SharedExt, SharedVersionedExt, SharedDir, SharedPrefix, StaticExt,
- StaticPrefix, StaticDir = "lib";
+ StaticPrefix, StaticDir = "lib";
const Triple HostTriple(Triple::normalize(LLVM_DEFAULT_TARGET_TRIPLE));
if (HostTriple.isOSWindows()) {
SharedExt = "dll";
- SharedVersionedExt = LLVM_DYLIB_VERSION ".dll";
+ SharedVersionedExt = PACKAGE_VERSION ".dll";
StaticExt = "a";
SharedDir = ActiveBinDir;
StaticDir = ActiveLibDir;
StaticPrefix = SharedPrefix = "lib";
} else if (HostTriple.isOSDarwin()) {
SharedExt = "dylib";
- SharedVersionedExt = LLVM_DYLIB_VERSION ".dylib";
+ SharedVersionedExt = PACKAGE_VERSION ".dylib";
StaticExt = "a";
StaticDir = SharedDir = ActiveLibDir;
StaticPrefix = SharedPrefix = "lib";
} else {
// default to the unix values:
SharedExt = "so";
- SharedVersionedExt = LLVM_DYLIB_VERSION ".so";
+ SharedVersionedExt = PACKAGE_VERSION ".so";
StaticExt = "a";
StaticDir = SharedDir = ActiveLibDir;
StaticPrefix = SharedPrefix = "lib";
bool DyLibExists = false;
const std::string DyLibName =
- (SharedPrefix + "LLVM-" + SharedVersionedExt).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 = (std::strcmp(LLVM_LINK_DYLIB, "ON") == 0);
+ (SharedPrefix + "LLVM-" + SharedVersionedExt).str();
if (BuiltDyLib) {
DyLibExists = sys::fs::exists(SharedDir + "/" + DyLibName);
- if (!DyLibExists) {
- // The shared library does not exist: don't error unless the user
- // explicitly passes --link-shared.
- LinkDyLib = false;
- }
}
- LinkMode LinkMode = LinkDyLib ? LinkModeDyLib : LinkModeAuto;
/// Get the component's library name without the lib prefix and the
/// extension. Returns true if Lib is in a recognized format.
OS << ActivePrefix << '\n';
} else if (Arg == "--src-root") {
OS << LLVM_SRC_ROOT << '\n';
- } else if (Arg == "--link-shared") {
- LinkMode = LinkModeDyLib;
- } else if (Arg == "--link-static") {
- LinkMode = LinkModeStatic;
} else {
usage();
}
if (!HasAnyOption)
usage();
- if (LinkMode == LinkModeDyLib && !DyLibExists) {
- errs() << "llvm-config: error: " << DyLibName << " is missing\n\n";
- usage();
- }
-
if (PrintLibs || PrintLibNames || PrintLibFiles || PrintSystemLibs ||
PrintSharedMode) {
Components.push_back("all");
// Construct the list of all the required libraries.
- std::vector<std::string> MissingLibs;
+ bool HasMissing = false;
std::vector<std::string> RequiredLibs =
ComputeLibsForComponents(Components,
/*IncludeNonInstalled=*/IsInDevelopmentTree,
- false, &ActiveLibDir, &MissingLibs);
- if (!MissingLibs.empty()) {
- switch (LinkMode) {
- case LinkModeDyLib:
- break;
- case LinkModeAuto:
- if (DyLibExists) {
- LinkMode = LinkModeDyLib;
- break;
- }
- errs()
- << "llvm-config: error: component libraries and shared library\n\n";
- // fall through
- case LinkModeStatic:
- for (auto &Lib : MissingLibs)
- errs() << "llvm-config: error: missing: " << Lib << "\n";
- return 1;
- }
- } else if (LinkMode == LinkModeAuto) {
- LinkMode = LinkModeStatic;
- }
+ false, &ActiveLibDir, &HasMissing);
if (PrintSharedMode) {
std::unordered_set<std::string> FullDyLibComponents;
}
FullDyLibComponents.clear();
- if (LinkMode == LinkModeDyLib) {
+ if (HasMissing && DyLibExists) {
OS << "shared\n";
return 0;
} else {
}
};
- if (LinkMode == LinkModeDyLib) {
+ if (HasMissing && DyLibExists) {
PrintForLib(DyLibName, true);
} else {
for (unsigned i = 0, e = RequiredLibs.size(); i != e; ++i) {
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