[lld] r233461 - ELF: Add a comment about the sysroot path.

[Rui Ueyama]

Author: ruiu
Date: Fri Mar 27 19:59:37 2015
New Revision: 233461

URL: http://llvm.org/viewvc/llvm-project?rev=233461&view=rev
Log:
ELF: Add a comment about the sysroot path.

Modified:
    lld/trunk/lib/ReaderWriter/ELF/ELFLinkingContext.cpp

Modified: lld/trunk/lib/ReaderWriter/ELF/ELFLinkingContext.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/ELFLinkingContext.cpp?rev=233461&r1=233460&r2=233461&view=diff
==============================================================================
--- lld/trunk/lib/ReaderWriter/ELF/ELFLinkingContext.cpp (original)
+++ lld/trunk/lib/ReaderWriter/ELF/ELFLinkingContext.cpp Fri Mar 27 19:59:37 2015
@@ -107,11 +107,13 @@ Writer &ELFLinkingContext::writer() cons
 
 static void buildSearchPath(SmallString<128> &path, StringRef dir,
                             StringRef sysRoot) {
-  if (!dir.startswith("=/"))
-    path.assign(dir);
-  else {
+  if (dir.startswith("=/")) {
+    // If a search directory begins with "=", "=" is replaced
+    // with the sysroot path.
     path.assign(sysRoot);
     path.append(dir.substr(1));
+  } else {
+    path.assign(dir);
   }
 }