From 808f2d07341e2c83506d0446fe45f619fb56b2ed Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Tue, 13 Apr 2010 20:17:28 +0100
Subject: Fix couchdb by fixing icu4c install_names

Bad icu4c, but this presses the point that we should be in general fixing stuff when it is installed. This code can be generalised, but there are some caveats.---
 Library/Formula/icu4c.rb | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'Library/Formula')

diff --git a/Library/Formula/icu4c.rb b/Library/Formula/icu4c.rb
index d5071fa20..e3bc0ef44 100644
--- a/Library/Formula/icu4c.rb
+++ b/Library/Formula/icu4c.rb
@@ -22,6 +22,26 @@ class Icu4c <Formula
       system "make"
       system "make install"
     end
+
+    # fix install_names
+    lib.children.reject{ |pn| pn.symlink? or pn.extname != '.dylib' }.each do |dylib|
+      bad_names(dylib) do |id, bad_names|
+        cd lib do
+          system "install_name_tool", "-id", (lib+id).realpath, dylib.basename
+          bad_names.each do |bad|
+            system "install_name_tool", "-change", bad, (lib+bad.basename).realpath, dylib.basename
+          end
+        end
+      end
+    end
+  end
+
+  def bad_names pn
+    ENV['HOMEBREW_PN'] = pn.to_s
+    rx = /\t(.*) \(compatibility version (\d+\.)*\d+, current version (\d+\.)*\d+\)/
+    dylibs = `otool -L "$HOMEBREW_PN"`.split "\n"
+    dylibs = dylibs.map{ |fn| rx =~ fn && $1 }.compact.reject{ |fn| fn[0].chr == '/' }.map{ |fn| p fn; Pathname.new fn }
+    yield dylibs.shift, dylibs
   end
 end
 
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