Add podspec for C++ (#6404)
diff --git a/Protobuf-C++.podspec b/Protobuf-C++.podspec
new file mode 100644
index 0000000..ffcb1a7
--- /dev/null
+++ b/Protobuf-C++.podspec
@@ -0,0 +1,42 @@
+Pod::Spec.new do |s|
+ s.name = 'Protobuf-C++'
+ s.version = '3.9.0-rc1'
+ s.summary = 'Protocol Buffers v3 runtime library for C++.'
+ s.homepage = 'https://github.com/google/protobuf'
+ s.license = '3-Clause BSD License'
+ s.authors = { 'The Protocol Buffers contributors' => 'protobuf@googlegroups.com' }
+ s.cocoapods_version = '>= 1.0'
+
+ s.source = { :git => 'https://github.com/google/protobuf.git',
+ :tag => "v#{s.version}" }
+
+ s.source_files = 'src/google/protobuf/*.{h,cc,inc}',
+ 'src/google/protobuf/stubs/*.{h,cc}',
+ 'src/google/protobuf/io/*.{h,cc}',
+ 'src/google/protobuf/util/*.{h,cc}',
+ 'src/google/protobuf/util/internal/*.{h,cc}'
+
+ # Excluding all the tests in the directories above
+ s.exclude_files = 'src/google/**/*_test.{h,cc,inc}',
+ 'src/google/**/*_unittest.{h,cc}',
+ 'src/google/protobuf/test_util*.{h,cc}',
+ 'src/google/protobuf/map_lite_test_util.{h,cc}',
+ 'src/google/protobuf/map_test_util*.{h,cc,inc}'
+
+ s.header_mappings_dir = 'src'
+
+ s.ios.deployment_target = '7.0'
+ s.osx.deployment_target = '10.9'
+ s.tvos.deployment_target = '9.0'
+ s.watchos.deployment_target = '2.0'
+
+ s.pod_target_xcconfig = {
+ # Do not let src/google/protobuf/stubs/time.h override system API
+ 'USE_HEADERMAP' => 'NO',
+ 'ALWAYS_SEARCH_USER_PATHS' => 'NO',
+
+ # Configure tool is not being used for Xcode. When building, assume pthread is supported.
+ 'GCC_PREPROCESSOR_DEFINITIONS' => '"$(inherited)" "HAVE_PTHREAD=1"',
+ }
+
+end