1 files changed, 6 insertions, 4 deletions
diff --git a/Library/Formula/chicken.rb b/Library/Formula/chicken.rb
index 303571e70..65561eb3b 100644
--- a/Library/Formula/chicken.rb
+++ b/Library/Formula/chicken.rb
@@ -6,11 +6,13 @@ class Chicken < Formula
   homepage 'http://www.call-cc.org/'
   head 'git://code.call-cc.org/chicken-core'
 
-  fails_with :llvm do
-    cause "Compilation hangs; see http://lists.gnu.org/archive/html/chicken-users/2010-12/msg00158.html"
-  end
-
   def install
+    # see http://lists.gnu.org/archive/html/chicken-users/2010-12/msg00159.html
+    if [:clang, :llvm].include? ENV.compiler
+      ENV['DEBUGBUILD'] = "1"
+      opoo "Building with DEBUGBUILD to avoid Clang/LLVM issues"
+    end
+
     ENV.deparallelize
     args = ["PREFIX=#{prefix}", "PLATFORM=macosx", "C_COMPILER=#{ENV.cc}"] # Chicken uses a non-standard var. for this
     args << "ARCH=x86-64" if MacOS.prefer_64_bit?