From 9b438ceee1aeab3e958415665e0168697bc9976b Mon Sep 17 00:00:00 2001
From: Xiyue Deng
Date: Thu, 24 Oct 2013 16:24:13 -0700
Subject: subversion: fix perl bindings.

* Add swig as dependency for bindings.
* Regenerate autotools as advice by upstream.
  - Depends on autotools for this purpose.
* Filter out "-isystem" flags from Makefiles after installing main
  components.
  - Homebrew uses "-isystem" in CPPFLAGS to help detecting system
    componenets, but subversion passes it to swig which doesn't
    understand this. Manually filtering them out make it compile.

Closes #20932.
Closes #22668.
---
 Library/Formula/subversion.rb | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'Library/Formula')

diff --git a/Library/Formula/subversion.rb b/Library/Formula/subversion.rb
index 8fe124ce5..131fe71b0 100644
--- a/Library/Formula/subversion.rb
+++ b/Library/Formula/subversion.rb
@@ -25,8 +25,12 @@ class Subversion < Formula
   depends_on 'sqlite'
   depends_on :python => :optional
 
-  # Building Ruby bindings requires libtool
-  depends_on :libtool if build.include? 'ruby'
+  depends_on :autoconf
+  depends_on :automake
+  depends_on :libtool
+
+  # Bindings require swig
+  depends_on 'swig' if build.include? 'perl' or build.include? 'python' or build.include? 'python'
 
   # If building bindings, allow non-system interpreters
   env :userpaths if build.include? 'perl' or build.include? 'ruby'
@@ -107,6 +111,8 @@ class Subversion < Formula
     # variable to prevent failures due to incompatible CFLAGS
     ENV['ac_cv_python_compile'] = ENV.cc
 
+    # Suggestion by upstream. http://svn.haxx.se/users/archive-2013-09/0188.shtml
+    system "./autogen.sh"
     system "./configure", *args
     system "make"
     system "make install"
@@ -115,6 +121,12 @@ class Subversion < Formula
     system "make tools"
     system "make install-tools"
 
+    # Swig don't understand "-isystem" flags added by Homebrew, so
+    # filter them out from makefiles.
+    Dir.glob(buildpath/"**/Makefile*").each do |mkfile|
+      inreplace mkfile, /\-isystem[^[:space:]]*/, ''
+    end
+
     python do
       system "make swig-py"
       system "make install-swig-py"
-- 
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