Adds the initial version of the podspec for the proto3 Objective-C runtime.
diff --git a/Protobuf.podspec b/Protobuf.podspec
new file mode 100644
index 0000000..98b69e1
--- /dev/null
+++ b/Protobuf.podspec
@@ -0,0 +1,23 @@
+Pod::Spec.new do |s|
+ s.name = 'Protobuf'
+ s.version = '3.0.0'
+ s.summary = 'Protocol Buffers v.3 runtime library for Objective-C.'
+ s.homepage = 'https://github.com/google/protobuf'
+ s.license = 'New BSD'
+ s.authors = { 'The Protocol Buffers contributors' => 'protobuf@googlegroups.com' }
+
+ s.source_files = 'objectivec/*.{h,m}', 'objectivec/google/protobuf/*.pbobjc.h', 'objectivec/google/protobuf/Descriptor.pbobjc.m'
+ s.public_header_files = 'objectivec/*.h', 'objectivec/google/protobuf/*.pbobjc.h'
+ # The following is a .m umbrella file, and would cause duplicate symbol
+ # definitions:
+ s.exclude_files = 'objectivec/GPBProtocolBuffers.m'
+ # The .m's of the proto Well-Known-Types under google/protobuf are #imported
+ # by GPBWellKnownTypes.m. So we can't compile them (duplicate symbols), but we
+ # need them available for the importing:
+ s.preserve_paths = 'objectivec/google/protobuf/*.pbobjc.m'
+ s.header_mappings_dir = 'objectivec'
+
+ s.ios.deployment_target = '6.0'
+ s.osx.deployment_target = '10.8'
+ s.requires_arc = false
+end