Add hack to scan-build to fix PR 4215

(http://llvm.org/bugs/show_bug.cgi?id=4215): When xcodebuild is invoked with
-sdk iphonesimulator3.0, use gcc-4.2 instead of the system default gcc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71891 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/scan-build b/utils/scan-build
index dd289a0d6c0a851b4ca20019c882b6e3e05f7083..5835628d59ba7435b7249a6b87515f26ee70b22a 100755 (executable)
--- a/utils/scan-build
+++ b/utils/scan-build
@@ -859,6 +859,18 @@ sub RunBuildCommand {
   } 
   
   if ($Cmd eq "xcodebuild") {
+    # Check if using iPhone SDK 3.0 (simulator).  If so the compiler being
+    # used should be gcc-4.2.
+    if (!defined $ENV{"CCC_CC"}) {
+      for (my $i = 0 ; $i < scalar(@$Args); ++$i) {
+        if ($Args->[$i] eq "-sdk" && $i + 1 < scalar(@$Args)) {
+          if (@$Args[$i+1] =~ /^iphonesimulator3/) {
+            $ENV{"CCC_CC"} = "gcc-4.2";
+          }
+        }
+      }
+    }
+
     # Disable distributed builds for xcodebuild.
     AddIfNotPresent($Args,"-nodistribute");