From f0982e4670e69f7274fdd134d9165b5d4a0c4574 Mon Sep 17 00:00:00 2001
From: Misty De Meo
Date: Fri, 8 Aug 2014 14:11:27 -0700
Subject: libdca: fix build with clang

Fixes #31456.
---
 Library/Formula/libdca.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Library/Formula')

diff --git a/Library/Formula/libdca.rb b/Library/Formula/libdca.rb
index 3bf2961d6..efedc5fc6 100644
--- a/Library/Formula/libdca.rb
+++ b/Library/Formula/libdca.rb
@@ -6,6 +6,10 @@ class Libdca < Formula
   sha1 '3fa5188eaaa2fc83fb9c4196f6695a23cb17f3bc'
 
   def install
+    # Fixes "duplicate symbol ___sputc" error when building with clang
+    # https://github.com/Homebrew/homebrew/issues/31456
+    ENV.append_to_cflags "-std=gnu89"
+
     system "./configure", "--disable-debug", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
     system "make"
-- 
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