From 928fcfb1eb8164fb5ddb059ab16fa2299e80b18c Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Tue, 30 Apr 2013 13:24:50 -0700
Subject: doxygen: fix compile for Xcode-only systems

Closes #19545.
---
 Library/Formula/doxygen.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'Library/Formula')

diff --git a/Library/Formula/doxygen.rb b/Library/Formula/doxygen.rb
index b3530182c..fb4ffb815 100644
--- a/Library/Formula/doxygen.rb
+++ b/Library/Formula/doxygen.rb
@@ -33,6 +33,22 @@ class Doxygen < Formula
       s.gsub! /c\+\+$/, ENV.cxx
     end
 
+    # This is a terrible hack; configure finds lex/yacc OK but
+    # one Makefile doesn't get generated with these, so pull
+    # them out of a known good file and cram them into the other.
+    lex = ''
+    yacc = ''
+
+    inreplace 'src/libdoxycfg.t' do |s|
+      lex = s.get_make_var 'LEX'
+      yacc = s.get_make_var 'YACC'
+    end
+
+    inreplace 'src/Makefile.libdoxycfg' do |s|
+      s.change_make_var! 'LEX', lex
+      s.change_make_var! 'YACC', yacc
+    end
+
     system "make"
     # MAN1DIR, relative to the given prefix
     system "make", "MAN1DIR=share/man/man1", "install"
-- 
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