llvm-config: Add --has-rtti option

[oota-llvm.git] / tools / llvm-config / llvm-config.cpp

diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
index 2bd11370a9d6c792a2e7ce0590003b7613417e55..8bf2680d3918b32ef457396d19853041c6eda7fd 100644 (file)
--- a/tools/llvm-config/llvm-config.cpp
+++ b/tools/llvm-config/llvm-config.cpp
@@ -20,6 +20,7 @@
 #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"
@@ -90,9 +91,9 @@ static void VisitComponent(StringRef Name,
 /// are required to link the given components.
 /// \param IncludeNonInstalled - Whether non-installed components should be
 /// reported.
-void ComputeLibsForComponents(const std::vector<StringRef> &Components,
-                              std::vector<StringRef> &RequiredLibs,
-                              bool IncludeNonInstalled) {
+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.
@@ -125,7 +126,7 @@ void ComputeLibsForComponents(const std::vector<StringRef> &Components,
 
 /* *** */
 
-void usage() {
+static void usage() {
   errs() << "\
 usage: llvm-config <OPTION>... [<COMPONENT>...]\n\
 \n\
@@ -147,7 +148,7 @@ Options:\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     Sytem Libraries needed to link against LLVM components.\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\
@@ -156,6 +157,8 @@ Options:\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";
@@ -202,7 +205,7 @@ int main(int argc, char **argv) {
   // 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,
-                          Twine(LLVM_OBJ_ROOT) + "/" + LLVM_BUILDMODE)) {
+                          Twine(LLVM_OBJ_ROOT) + "/" + build_mode)) {
     IsInDevelopmentTree = true;
     DevelopmentTreeLayout = MakefileStyle;
 
@@ -240,17 +243,20 @@ int main(int argc, char **argv) {
     // layout.
     switch (DevelopmentTreeLayout) {
     case MakefileStyle:
-      ActiveBinDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/bin";
-      ActiveLibDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/lib";
+      ActivePrefix = ActiveObjRoot;
+      ActiveBinDir = ActiveObjRoot + "/" + build_mode + "/bin";
+      ActiveLibDir =
+          ActiveObjRoot + "/" + build_mode + "/lib" + LLVM_LIBDIR_SUFFIX;
       break;
     case CMakeStyle:
       ActiveBinDir = ActiveObjRoot + "/bin";
-      ActiveLibDir = ActiveObjRoot + "/lib";
+      ActiveLibDir = ActiveObjRoot + "/lib" + LLVM_LIBDIR_SUFFIX;
       break;
     case CMakeBuildModeStyle:
       ActivePrefix = ActiveObjRoot;
       ActiveBinDir = ActiveObjRoot + "/bin/" + build_mode;
-      ActiveLibDir = ActiveObjRoot + "/lib/" + build_mode;
+      ActiveLibDir =
+          ActiveObjRoot + "/lib" + LLVM_LIBDIR_SUFFIX + "/" + build_mode;
       break;
     }
 
@@ -261,7 +267,7 @@ int main(int argc, char **argv) {
     ActivePrefix = CurrentExecPrefix;
     ActiveIncludeDir = ActivePrefix + "/include";
     ActiveBinDir = ActivePrefix + "/bin";
-    ActiveLibDir = ActivePrefix + "/lib";
+    ActiveLibDir = ActivePrefix + "/lib" + LLVM_LIBDIR_SUFFIX;
     ActiveIncludeOption = "-I" + ActiveIncludeDir;
   }
 
@@ -310,7 +316,7 @@ int main(int argc, char **argv) {
       } 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 << build_mode << '\n';
       } else if (Arg == "--assertion-mode") {
@@ -319,6 +325,10 @@ int main(int argc, char **argv) {
 #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 << ActivePrefix << '\n';
       } else if (Arg == "--src-root") {
@@ -344,27 +354,29 @@ int main(int argc, char **argv) {
     ComputeLibsForComponents(Components, RequiredLibs,
                              /*IncludeNonInstalled=*/IsInDevelopmentTree);
 
-    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;
-        }
+    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.