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1%YAML 1.2
2--- |
3  # This file has been automatically generated from a template file.
4  # Please make modifications to `templates/gRPC-Core.podspec.template`
5  # instead. This file can be regenerated from the template by running
6  # `tools/buildgen/generate_projects.sh`.
7
8  # gRPC Core CocoaPods podspec
9  #
10  # Copyright 2015 gRPC authors.
11  #
12  # Licensed under the Apache License, Version 2.0 (the "License");
13  # you may not use this file except in compliance with the License.
14  # You may obtain a copy of the License at
15  #
16  #     http://www.apache.org/licenses/LICENSE-2.0
17  #
18  # Unless required by applicable law or agreed to in writing, software
19  # distributed under the License is distributed on an "AS IS" BASIS,
20  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21  # See the License for the specific language governing permissions and
22  # limitations under the License.
23  <%
24  lib_maps = {lib.name: lib for lib in libs}
25
26  def ruby_multiline_list(files, indent):
27    return (',\n' + indent*' ').join('\'%s\'' % f for f in files)
28
29  def is_absl_lib(target_name):
30    return target_name.startswith("absl/")
31
32  def get_absl_spec_name(label):
33    # e.g. absl/apple:banana -> abseil/apple/banana
34    return "abseil/" + label[5:].replace(":", "/")
35
36  def lib_and_transitive_deps(lib):
37    """Return names of lib itself and all of its transitive dependencies."""
38    transitive_deps = []
39    lib_metadata = lib_maps.get(lib, None)
40    if lib_metadata:
41      transitive_deps = lib_metadata.transitive_deps
42    return list(sorted(set({lib} | set(transitive_deps))))
43
44  def non_abseil_lib_and_transitive_deps(lib):
45    return [l for l in lib_and_transitive_deps(lib) if not is_absl_lib(l)]
46
47  def list_abseil_specs(lib):
48    # This returns a list of abseil specs which the given lib and
49    # its non-abseil transitive dependencies depend on.
50    # As a result, internal abseil libraries are excluded from the result.
51    absl_specs = set()
52    for lib_name in lib_and_transitive_deps(lib):
53      if is_absl_lib(lib_name): continue
54      lib_metadata = lib_maps.get(lib_name, None)
55      if lib_metadata:
56        for dep in lib_metadata.deps:
57          if is_absl_lib(dep):
58            absl_specs.add(get_absl_spec_name(dep))
59    return list(sorted(absl_specs))
60
61  def collect_files_for_libs(libs, fields):
62    files = set()
63    for lib_name in libs:
64      lib = lib_maps.get(lib_name, None)
65      if lib:
66        for field in fields:
67          files.update(lib.get(field, []))
68    return list(sorted(files))
69
70  # ObjectiveC doesn't use c-ares.
71  # absl deps will be declared explicitly so we also don't need to include them.
72  grpc_full_deps = set(non_abseil_lib_and_transitive_deps("grpc")) - set({"cares"})
73
74  grpc_private_files = collect_files_for_libs(grpc_full_deps, ("headers", "src"))
75  grpc_public_headers = collect_files_for_libs(grpc_full_deps, ("public_headers", ))
76  grpc_private_headers = collect_files_for_libs(grpc_full_deps, ("headers", ))
77
78  grpc_abseil_specs = list_abseil_specs("grpc")
79
80  # TODO(jtattermusch): build.yaml is now generated from bazel build
81  # which doesn't have an explicit "grpc_cronet" target. Until it exists
82  # we construct the list of files by taking what's in the "grpc" target
83  # and adding a few files on top of that.
84  grpc_cronet_extra_public_headers = ['include/grpc/grpc_cronet.h']
85  grpc_cronet_extra_impl_files = [
86      'src/core/ext/transport/cronet/client/secure/cronet_channel_create.cc',
87      'src/core/ext/transport/cronet/client/secure/cronet_channel_create.h',
88      'src/core/ext/transport/cronet/transport/cronet_status.cc',
89      'src/core/ext/transport/cronet/transport/cronet_status.h',
90      'src/core/ext/transport/cronet/transport/cronet_transport.cc',
91      'src/core/ext/transport/cronet/transport/cronet_transport.h',
92      'third_party/objective_c/Cronet/bidirectional_stream_c.h'
93  ]
94
95  grpc_cronet_files = list(sorted(grpc_cronet_extra_impl_files))
96  grpc_cronet_public_headers = list(sorted(grpc_cronet_extra_public_headers))
97  %>
98  Pod::Spec.new do |s|
99    s.name     = 'gRPC-Core'
100    version = '${settings.version}'
101    s.version  = version
102    s.summary  = 'Core cross-platform gRPC library, written in C'
103    s.homepage = 'https://grpc.io'
104    s.license  = 'Apache License, Version 2.0'
105    s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
106
107    s.source = {
108      :git => 'https://github.com/grpc/grpc.git',
109      :tag => "v#{version}",
110      :submodules => true,
111    }
112
113    # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
114    # which was released in Cocoapods v1.2.0.
115    s.cocoapods_version = '>= 1.2.0'
116
117    s.ios.deployment_target = '11.0'
118    s.osx.deployment_target = '10.14'
119    s.tvos.deployment_target = '13.0'
120    s.watchos.deployment_target = '6.0'
121    s.visionos.deployment_target = '1.0'
122
123    s.requires_arc = false
124
125    name = 'grpc'
126    abseil_version = '~> 1.20240722.0'
127
128    # When creating a dynamic framework, name it grpc.framework instead of gRPC-Core.framework.
129    # This lets users write their includes like `#include <grpc/grpc.h>` as opposed to `#include
130    # <gRPC-Core/grpc.h>`.
131    s.module_name = name
132
133    # When creating a dynamic framework, copy the headers under `include/grpc/` into the root of
134    # the `Headers/` directory of the framework (i.e., not under `Headers/include/grpc`).
135    #
136    # TODO(jcanizales): Debug why this doesn't work on macOS.
137    s.header_mappings_dir = 'include/grpc'
138
139    # The above has an undesired effect when creating a static library: It forces users to write
140    # includes like `#include <gRPC-Core/grpc.h>`. `s.header_dir` adds a path prefix to that, and
141    # because Cocoapods lets omit the pod name when including headers of static libraries, the
142    # following lets users write `#include <grpc/grpc.h>`.
143    s.header_dir = name
144
145    # The module map created automatically by Cocoapods doesn't work for C libraries like gRPC-Core.
146    s.module_map = 'include/grpc/module.modulemap'
147
148    # To compile the library, we need the user headers search path (quoted includes) to point to the
149    # root of the repo, third_party/** and two upb generated directories, and the system headers
150    # search path (angled includes) to point to `include/`.
151    s.pod_target_xcconfig = {
152      'HEADER_SEARCH_PATHS' => '"$(inherited)" "$(PODS_TARGET_SRCROOT)/include"'${"\\"}
153          ' "$(PODS_TARGET_SRCROOT)/third_party/address_sorting/include"',
154      'USER_HEADER_SEARCH_PATHS' => '"$(PODS_TARGET_SRCROOT)"'${"\\"}
155          ' "$(PODS_TARGET_SRCROOT)/src/core/ext/upb-gen"'${"\\"}
156          ' "$(PODS_TARGET_SRCROOT)/src/core/ext/upbdefs-gen"'${"\\"}
157          ' "$(PODS_TARGET_SRCROOT)/third_party/re2"'${"\\"}
158          ' "$(PODS_TARGET_SRCROOT)/third_party/upb"'${"\\"}
159          ' "$(PODS_TARGET_SRCROOT)/third_party/utf8_range"'${"\\"}
160          ' "$(PODS_TARGET_SRCROOT)/third_party/xxhash"',
161      # If we don't set these two settings, `include/grpc/support/time.h` and
162      # `src/core/util/string.h` shadow the system `<time.h>` and `<string.h>`, breaking the
163      # build.
164      'USE_HEADERMAP' => 'NO',
165      'ALWAYS_SEARCH_USER_PATHS' => 'NO',
166      'GCC_PREPROCESSOR_DEFINITIONS' => '"$(inherited)" "COCOAPODS=1"',
167      'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
168      'CLANG_CXX_LANGUAGE_STANDARD' => 'c++17',
169    }
170
171    s.default_subspecs = 'Interface', 'Implementation'
172    s.compiler_flags = '-DGRPC_ARES=0 -Wno-comma'
173    s.libraries = 'c++'
174
175    # Exposes the privacy manifest. Depended on by any subspecs containing
176    # non-interface files.
177    s.subspec 'Privacy' do |ss|
178      ss.resource_bundles = {
179        s.module_name => 'src/objective-c/PrivacyInfo.xcprivacy'
180      }
181    end
182
183    # Like many other C libraries, gRPC-Core has its public headers under `include/<libname>/` and its
184    # sources and private headers in other directories outside `include/`. Cocoapods' linter doesn't
185    # allow any header to be listed outside the `header_mappings_dir` (even though doing so works in
186    # practice). Because we need our `header_mappings_dir` to be `include/grpc/` for the reason
187    # mentioned above, we work around the linter limitation by dividing the pod into two subspecs, one
188    # for public headers and the other for implementation. Each gets its own `header_mappings_dir`,
189    # making the linter happy.
190    #
191    # The list of source files is generated by a template: `templates/gRPC-Core.podspec.template`. It
192    # can be regenerated from the template by running `tools/buildgen/generate_projects.sh`.
193    s.subspec 'Interface' do |ss|
194      ss.header_mappings_dir = 'include/grpc'
195
196      ss.source_files = ${ruby_multiline_list(grpc_public_headers, 22)}
197    end
198    s.subspec 'Implementation' do |ss|
199      ss.header_mappings_dir = '.'
200      ss.libraries = 'z'
201      ss.dependency "#{s.name}/Interface", version
202      ss.dependency "#{s.name}/Privacy", version
203      ss.dependency 'BoringSSL-GRPC', '0.0.38'
204      % for abseil_spec in grpc_abseil_specs:
205      ss.dependency '${abseil_spec}', abseil_version
206      % endfor
207      ss.compiler_flags = '-DBORINGSSL_PREFIX=GRPC -Wno-unreachable-code -Wno-shorten-64-to-32'
208
209      ss.source_files = ${ruby_multiline_list(grpc_private_files, 22)}
210      ss.private_header_files = ${ruby_multiline_list(grpc_private_headers, 30)}
211    end
212
213    # CFStream is now default. Leaving this subspec only for compatibility purpose.
214    s.subspec 'CFStream-Implementation' do |ss|
215      ss.dependency "#{s.name}/Implementation", version
216    end
217
218    s.subspec 'Cronet-Interface' do |ss|
219      ss.header_mappings_dir = 'include/grpc'
220      ss.source_files = ${ruby_multiline_list(grpc_cronet_public_headers, 22)}
221    end
222
223    s.subspec 'Cronet-Implementation' do |ss|
224      ss.header_mappings_dir = '.'
225
226      ss.dependency "#{s.name}/Interface", version
227      ss.dependency "#{s.name}/Implementation", version
228      ss.dependency "#{s.name}/Privacy", version
229      ss.dependency "#{s.name}/Cronet-Interface", version
230
231      ss.source_files = ${ruby_multiline_list(grpc_cronet_files, 22)}
232    end
233
234    # patch include of openssl to openssl_grpc
235    s.prepare_command = <<-END_OF_COMMAND
236      set -e
237      find src/core -type f \\( -path '*.h' -or -path '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include <openssl/(.*)>;#if COCOAPODS==1\\\n  #include <openssl_grpc/\\1>\\\n#else\\\n  #include <openssl/\\1>\\\n#endif;g'
238      find src/core/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
239    END_OF_COMMAND
240  end
241