diff --git a/Formula/html-xml-utils.rb b/Formula/html-xml-utils.rb
index 7a989af58c6..133f7703e5e 100644
--- a/Formula/html-xml-utils.rb
+++ b/Formula/html-xml-utils.rb
@@ -5,18 +5,9 @@ class HtmlXmlUtils < Formula
url 'http://www.w3.org/Tools/HTML-XML-utils/html-xml-utils-6.4.tar.gz'
sha1 '6dc6ace41a4c3f692f79b16107d50d0e80d0ee40'
- fails_with :clang do
- build 425
- cause <<-EOS.undent
- Undefined symbols for architecture x86_64:
- "_min", referenced from:
- _write_index_item in hxindex.o
- EOS
- end
-
def install
- system "./configure", "--disable-dependency-tracking",
- "--prefix=#{prefix}"
+ ENV.append 'CFLAGS', '-std=gnu89'
+ system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}"
system "make"
ENV.j1 # install is not thread-safe
system "make install"