Add support for embedding Clang compiler headers

like tgmath.h and stdarg.h into the LLDB installation,
and then finding them through the Host infrastructure.

Also add a script to actually do this on Mac OS X.

llvm-svn: 223430

1 files changed, 12 insertions, 0 deletions

diff --git a/lldb/source/Host/common/HostInfoBase.cpp b/lldb/source/Host/common/HostInfoBase.cpp
index 9af71ec9bcc..9eab299f3b8 100644
--- a/lldb/source/Host/common/HostInfoBase.cpp
+++ b/lldb/source/Host/common/HostInfoBase.cpp
@@ -54,6 +54,7 @@ struct HostInfoBaseFields
     FileSpec m_lldb_support_exe_dir;
     FileSpec m_lldb_headers_dir;
     FileSpec m_lldb_python_dir;
+    FileSpec m_lldb_clang_resource_dir;
     FileSpec m_lldb_system_plugin_dir;
     FileSpec m_lldb_user_plugin_dir;
     FileSpec m_lldb_tmp_dir;
@@ -196,6 +197,11 @@ HostInfoBase::GetLLDBPath(lldb::PathType type, FileSpec &file_spec)
             if (log)
                 log->Printf("HostInfoBase::GetLLDBPath(ePathTypePythonDir) => '%s'", g_fields->m_lldb_python_dir.GetPath().c_str());
             break;
+        case lldb::ePathTypeClangDir:
+            COMPUTE_LLDB_PATH(ComputeClangDirectory, g_fields->m_lldb_clang_resource_dir)
+            if (log)
+                log->Printf("HostInfoBase::GetLLDBPath(ePathTypeClangResourceDir) => '%s'", g_fields->m_lldb_clang_resource_dir.GetPath().c_str());
+            break;
         case lldb::ePathTypeLLDBSystemPlugins:
             COMPUTE_LLDB_PATH(ComputeSystemPluginsDirectory, g_fields->m_lldb_system_plugin_dir)
             if (log)
@@ -289,6 +295,12 @@ HostInfoBase::ComputeSystemPluginsDirectory(FileSpec &file_spec)
 }
 
 bool
+HostInfoBase::ComputeClangDirectory(FileSpec &file_spec)
+{
+    return false;
+}
+
+bool
 HostInfoBase::ComputeUserPluginsDirectory(FileSpec &file_spec)
 {
     // TODO(zturner): Figure out how to compute the user plugins directory for all platforms.