grpc/templates/gRPC.podspec.template

%YAML 1.2
--- |
  # GRPC CocoaPods podspec
  # This file has been automatically generated from a template file.
  # Please look at the templates directory instead.
  # This file can be regenerated from the template by running
  # tools/buildgen/generate_projects.sh
  
  # Copyright 2015, Google Inc.
  # All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are
  # met:
  #
  #     * Redistributions of source code must retain the above copyright
  # notice, this list of conditions and the following disclaimer.
  #     * Redistributions in binary form must reproduce the above
  # copyright notice, this list of conditions and the following disclaimer
  # in the documentation and/or other materials provided with the
  # distribution.
  #     * Neither the name of Google Inc. nor the names of its
  # contributors may be used to endorse or promote products derived from
  # this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  <%!
  bad_header_names = ('time.h', 'string.h')
  def fix_header_name(name):
    split_name = name.split('/')
    if split_name[-1] in bad_header_names:
      split_name[-1] = 'grpc_' + split_name[-1]
    if split_name[0] == 'include':
      split_name = split_name[1:]
    return '/'.join(split_name)
  
  def grpc_files(libs):
    out = []
    for lib in libs:
      if lib.name in ("grpc", "gpr"):
        out.extend(fix_header_name(h) for h in lib.get('headers', []))
        out.extend(fix_header_name(h) for h in lib.get('public_headers', []))
        out.extend(lib.get('src', []))
    return out;
  
  def grpc_private_headers(libs):
    out = []
    for lib in libs:
      if lib.name in ("grpc", "gpr"):
        out.extend(lib.get('headers', []))
    return out
  %>
  Pod::Spec.new do |s|
    s.name     = 'gRPC'
    s.version  = '0.7.0'
    s.summary  = 'gRPC client library for iOS/OSX'
    s.homepage = 'http://www.grpc.io'
    s.license  = 'New BSD'
    s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
  
    # s.source = { :git => 'https://github.com/grpc/grpc.git',
    #              :tag => 'release-0_10_0-objectivec-0.6.0' }
  
    s.ios.deployment_target = '6.0'
    s.osx.deployment_target = '10.8'
    s.requires_arc = true
  
    objc_dir = 'src/objective-c'
  
    # Reactive Extensions library for iOS.
    s.subspec 'RxLibrary' do |ss|
      src_dir = "#{objc_dir}/RxLibrary"
      ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
      ss.private_header_files = "#{src_dir}/private/*.h"
      ss.header_mappings_dir = "#{objc_dir}"
    end
  
    # Core cross-platform gRPC library, written in C.
    s.subspec 'C-Core' do |ss|
      ss.source_files = ${(',\n' + 22*' ').join('\'%s\'' % f for f in grpc_files(libs))}
  
      ss.private_header_files = ${(',\n' + 30*' ').join('\'%s\'' % f for f in grpc_private_headers(libs))}
  
      ss.header_mappings_dir = '.'
  
      ss.requires_arc = false
      ss.libraries = 'z'
      ss.dependency 'OpenSSL', '~> 1.0.200'
  
      # ss.compiler_flags = '-GCC_WARN_INHIBIT_ALL_WARNINGS', '-w'
    end
  
    # This is a workaround for Cocoapods Issue #1437.
    # It renames time.h and string.h to grpc_time.h and grpc_string.h.
    # It needs to be here (top-level) instead of in the C-Core subspec because Cocoapods doesn't run
    # prepare_command's of subspecs.
    #
    # TODO(jcanizales): Try out others' solutions at Issue #1437.
    s.prepare_command = <<-CMD
      # Move contents of include up a level to avoid manually specifying include paths
      cp -r "include/grpc" "."
  
      DIR_TIME="grpc/support"
      BAD_TIME="$DIR_TIME/time.h"
      GOOD_TIME="$DIR_TIME/grpc_time.h"
      grep -rl "$BAD_TIME" grpc src/core src/objective-c/GRPCClient | xargs sed -i '' -e s@$BAD_TIME@$GOOD_TIME@g
      if [ -f "$BAD_TIME" ];
      then
        mv -f "$BAD_TIME" "$GOOD_TIME"
      fi
  
      DIR_STRING="src/core/support"
      BAD_STRING="$DIR_STRING/string.h"
      GOOD_STRING="$DIR_STRING/grpc_string.h"
      grep -rl "$BAD_STRING" grpc src/core src/objective-c/GRPCClient | xargs sed -i '' -e s@$BAD_STRING@$GOOD_STRING@g
      if [ -f "$BAD_STRING" ];
      then
        mv -f "$BAD_STRING" "$GOOD_STRING"
      fi
    CMD
  
    # Objective-C wrapper around the core gRPC library.
    s.subspec 'GRPCClient' do |ss|
      src_dir = "#{objc_dir}/GRPCClient"
      ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
      ss.private_header_files = "#{src_dir}/private/*.h"
      ss.header_mappings_dir = "#{objc_dir}"
  
      ss.dependency 'gRPC/C-Core'
      ss.dependency 'gRPC/RxLibrary'
  
      # Certificates, to be able to establish TLS connections:
      ss.resource_bundles = { 'gRPCCertificates' => ['etc/roots.pem'] }
    end
  
    # RPC library for ProtocolBuffers, based on gRPC
    s.subspec 'ProtoRPC' do |ss|
      src_dir = "#{objc_dir}/ProtoRPC"
      ss.source_files = "#{src_dir}/*.{h,m}"
      ss.header_mappings_dir = "#{objc_dir}"
  
      ss.dependency 'gRPC/GRPCClient'
      ss.dependency 'gRPC/RxLibrary'
      ss.dependency 'Protobuf', '~> 3.0.0-alpha-3'
    end
  end