Installing notmuch with Ruby binding on OSX

extconf.patch

diff --git a/bindings/ruby/extconf.rb b/bindings/ruby/extconf.rb
index 6160db2..9374a60 100644
--- a/bindings/ruby/extconf.rb
+++ b/bindings/ruby/extconf.rb
@@ -11,7 +11,7 @@ dir = File.join('..', '..', 'lib')
 $INCFLAGS = "-I#{dir} #{$INCFLAGS}"
 
 # make sure there are no undefined symbols
-$LDFLAGS += ' -Wl,--no-undefined'
+$LDFLAGS += ' -Wl'
 
 def have_local_library(lib, path, func, headers = nil)
   checking_for checking_message(func, lib) do
@@ -22,9 +22,7 @@ def have_local_library(lib, path, func, headers = nil)
   end
 end
 
-if not have_local_library('libnotmuch.so', dir, 'notmuch_database_create', 'notmuch.h')
-  exit 1
-end
+$LOCAL_LIBS+= File.join(dir, 'libnotmuch.dylib')
 
 # Create Makefile
 dir_config('notmuch')

install.sh

mkdir /tmp/build
cd /tmp
curl -LO http://zlib.net/zlib-1.2.8.tar.gz
tar xf zlib-1.2.8.tar.gz
cd /tmp/zlib-1.2.8
./configure --prefix=/tmp/build/zlib --static
make install


cd /tmp
git clone https://github.com/notmuch/notmuch.git
cd notmuch
export PKG_CONFIG_PATH="/tmp/build/zlib/lib/pkgconfig"
./configure --prefix=/usr
make
sudo make install
cd bindings/ruby
patch extconf.rb < extconf.patch
rbenv shell system
ruby extconf.rb --vendor
patch Makefile < Makefile.patch
make
sudo make install

Makefile.patch

diff --git a/bindings/ruby/Makefile b/bindings/ruby/Makefile
index c0070b7..f456523 100644
--- a/bindings/ruby/Makefile
+++ b/bindings/ruby/Makefile
@@ -85,7 +85,7 @@ CPPFLAGS =  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REE
 CXXFLAGS = $(CCDLFLAGS) $(ARCH_FLAG) -g -Os -pipe  $(ARCH_FLAG)
 ldflags  = -L. -L/usr/local/lib -Wl
 dldflags = -Wl,-undefined,dynamic_lookup -Wl,-multiply_defined,suppress 
-ARCH_FLAG =  -arch x86_64 -arch i386
+ARCH_FLAG =  -arch x86_64
 DLDFLAGS = $(ldflags) $(dldflags) $(ARCH_FLAG)
 LDSHARED = $(CC) -dynamic -bundle
 LDSHAREDXX = $(CXX) -dynamic -bundle