From c5794b76f296388738fe7b10a14397a125496562 Mon Sep 17 00:00:00 2001
From: Mitchell Blank Jr <mitch@bodyfour.com>
Date: Sat, 5 Dec 2020 16:43:24 +0000
Subject: [PATCH] a2ps: work around ./configure issues with Xcode 12

---
 Formula/a2ps.rb | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Formula/a2ps.rb b/Formula/a2ps.rb
index f3e78bd471b97..baa6adfae5bde 100644
--- a/Formula/a2ps.rb
+++ b/Formula/a2ps.rb
@@ -6,6 +6,10 @@ class A2ps < Formula
   sha256 "f3ae8d3d4564a41b6e2a21f237d2f2b104f48108591e8b83497500182a3ab3a4"
   license "GPL-3.0-or-later"
 
+  livecheck do
+    url :stable
+  end
+
   bottle do
     rebuild 3
     sha256 "98a293e2d83134c9a1c35026f68207d9fc2ac1bde9d7d15dd29849d7d9c5b237" => :catalina
@@ -21,9 +25,6 @@ class A2ps < Formula
     satisfy { HOMEBREW_PREFIX.to_s == Homebrew::DEFAULT_PREFIX }
   end
 
-  # Fails to build on Catalina. No new release since 2007
-  disable! because: :does_not_build
-
   # Software was last updated in 2007.
   # https://svn.macports.org/ticket/20867
   # https://trac.macports.org/ticket/18255
@@ -44,6 +45,9 @@ class A2ps < Formula
   end
 
   def install
+    # Work around configure issues with Xcode 12
+    ENV.append "CFLAGS", "-Wno-implicit-function-declaration"
+
     system "./configure", "--disable-debug", "--disable-dependency-tracking",
                           "--prefix=#{prefix}", "--sysconfdir=#{etc}",
                           "--with-lispdir=#{elisp}"