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, 20 insertions, 0 deletions

diff --git a/lldb/source/Host/macosx/HostInfoMacOSX.mm b/lldb/source/Host/macosx/HostInfoMacOSX.mm
index a6a65531454..a22674e63aa 100644
--- a/lldb/source/Host/macosx/HostInfoMacOSX.mm
+++ b/lldb/source/Host/macosx/HostInfoMacOSX.mm
@@ -208,6 +208,26 @@ HostInfoMacOSX::ComputePythonDirectory(FileSpec &file_spec)
 }
 
 bool
+HostInfoMacOSX::ComputeClangDirectory(FileSpec &file_spec)
+{
+    FileSpec lldb_file_spec;
+    if (!GetLLDBPath (lldb::ePathTypeLLDBShlibDir, lldb_file_spec))
+        return false;
+    
+    char raw_path[PATH_MAX];
+    lldb_file_spec.GetPath (raw_path, sizeof (raw_path));
+    
+    char *framework_pos = ::strstr (raw_path, "LLDB.framework");
+    if (framework_pos)
+    {
+        framework_pos += strlen("LLDB.framework");
+        ::strncpy (framework_pos, "/Resources/Clang", PATH_MAX - (framework_pos - raw_path));
+    }
+    file_spec.SetFile (raw_path, true);
+    return true;
+}
+
+bool
 HostInfoMacOSX::ComputeSystemPluginsDirectory(FileSpec &file_spec)
 {
     FileSpec lldb_file_spec;