From: Ted Kremenek <kremenek@apple.com>
Date: Wed, 31 Dec 2014 08:19:08 +0000 (+0000)
Subject: [analyzer] Include a couple more comments on using xcrun to query the SDK.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2d5a4a7eff4517e0946d59df72190f29edc0621b;p=clang

[analyzer] Include a couple more comments on using xcrun to query the SDK.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@225039 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/scan-build/ccc-analyzer b/tools/scan-build/ccc-analyzer
index c99328221a..9de38d42aa 100755
--- a/tools/scan-build/ccc-analyzer
+++ b/tools/scan-build/ccc-analyzer
@@ -41,11 +41,15 @@ my $Clang;
 my $DefaultCCompiler;
 my $DefaultCXXCompiler;
 my $IsCXX;
+
+# If on OSX, use xcrun to determine the SDK root.
 my $UseXCRUN = 0;
 
 if (`uname -a` =~ m/Darwin/) {
   $DefaultCCompiler = 'clang';
   $DefaultCXXCompiler = 'clang++';
+  # Older versions of OSX do not have xcrun to
+  # query the SDK location.
   if (-x "/usr/bin/xcrun") {
     $UseXCRUN = 1;
   }