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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   <%!
     25   def grpc_lib_files(libs, expect_libs, groups):
     26     out = []
     27     for lib in libs:
     28       if lib.name in expect_libs:
     29         for group in groups:
     30           out += lib.get(group, [])
     31     return out
     32 
     33   def grpc_private_files(libs):
     34     out = grpc_lib_files(libs, ("grpc", "gpr"), ("headers", "src"))
     35     return [file for file in out if not file.startswith("third_party/nanopb/")]
     36 
     37   def grpc_public_headers(libs):
     38     out = grpc_lib_files(libs, ("grpc", "gpr"), ("public_headers",))
     39     return out
     40 
     41   def grpc_private_headers(libs):
     42     out = grpc_lib_files(libs, ("grpc", "gpr"), ("headers",))
     43     return [file for file in out if not file.startswith("third_party/nanopb/")]
     44 
     45   def grpc_cronet_files(libs):
     46     out = grpc_lib_files(libs, ("grpc_cronet",), ("src", "headers"))
     47     excl = grpc_private_files(libs)
     48     excl += [
     49         # We do not need cronet dedicated plugin registry
     50         "src/core/plugin_registry/grpc_cronet_plugin_registry.cc",
     51         # We do not need dummy cronet API for ObjC
     52         "src/core/ext/transport/cronet/transport/cronet_api_dummy.cc",
     53     ]
     54     return [file for file in out if not file in excl]
     55 
     56   def grpc_cronet_public_headers(libs):
     57     out = grpc_lib_files(libs, ("grpc_cronet",), ("public_headers",))
     58     excl = grpc_public_headers(libs)
     59     return [file for file in out if not file in excl]
     60 
     61   def grpc_test_util_files(libs):
     62     out = grpc_lib_files(libs, ("grpc_test_util", "gpr_test_util"), ("src", "headers"))
     63     excl = grpc_private_files(libs)
     64     return [file for file in out if not file in excl]
     65 
     66   def end2end_tests_files(libs):
     67     out = grpc_lib_files(libs, ("end2end_tests",), ("src", "headers"))
     68     excl = grpc_private_files(libs)
     69     return [file for file in out if not file in excl]
     70 
     71   def cfstream_private_headers(libs):
     72     out = grpc_lib_files(libs, ("grpc_cfstream",), ("own_headers",))
     73     return out
     74 
     75   def cfstream_private_files(libs):
     76     out = grpc_lib_files(libs, ("grpc_cfstream",), ("own_src", "own_headers"))
     77     return out
     78 
     79   def ruby_multiline_list(files, indent):
     80     return (',\n' + indent*' ').join('\'%s\'' % f for f in files)
     81   %>
     82   Pod::Spec.new do |s|
     83     s.name     = 'gRPC-Core'
     84     version = '${settings.version}'
     85     s.version  = version
     86     s.summary  = 'Core cross-platform gRPC library, written in C'
     87     s.homepage = 'https://grpc.io'
     88     s.license  = 'Apache License, Version 2.0'
     89     s.authors  = { 'The gRPC contributors' => 'grpc-packages (a] google.com' }
     90 
     91     s.source = {
     92       :git => 'https://github.com/grpc/grpc.git',
     93       :tag => "v#{version}",
     94     }
     95 
     96     # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
     97     # which was released in Cocoapods v1.2.0.
     98     s.cocoapods_version = '>= 1.2.0'
     99 
    100     s.ios.deployment_target = '7.0'
    101     s.osx.deployment_target = '10.9'
    102     s.requires_arc = false
    103 
    104     name = 'grpc'
    105 
    106     # When creating a dynamic framework, name it grpc.framework instead of gRPC-Core.framework.
    107     # This lets users write their includes like `#include <grpc/grpc.h>` as opposed to `#include
    108     # <gRPC-Core/grpc.h>`.
    109     s.module_name = name
    110 
    111     # When creating a dynamic framework, copy the headers under `include/grpc/` into the root of
    112     # the `Headers/` directory of the framework (i.e., not under `Headers/include/grpc`).
    113     #
    114     # TODO(jcanizales): Debug why this doesn't work on macOS.
    115     s.header_mappings_dir = 'include/grpc'
    116 
    117     # The above has an undesired effect when creating a static library: It forces users to write
    118     # includes like `#include <gRPC-Core/grpc.h>`. `s.header_dir` adds a path prefix to that, and
    119     # because Cocoapods lets omit the pod name when including headers of static libraries, the
    120     # following lets users write `#include <grpc/grpc.h>`.
    121     s.header_dir = name
    122 
    123     # The module map created automatically by Cocoapods doesn't work for C libraries like gRPC-Core.
    124     s.module_map = 'include/grpc/module.modulemap'
    125 
    126     # To compile the library, we need the user headers search path (quoted includes) to point to the
    127     # root of the repo, and the system headers search path (angled includes) to point to `include/`.
    128     # Cocoapods effectively clones the repo under `<Podfile dir>/Pods/gRPC-Core/`, and sets a build
    129     # variable called `$(PODS_ROOT)` to `<Podfile dir>/Pods/`, so we use that.
    130     #
    131     # Relying on the file structure under $(PODS_ROOT) isn't officially supported in Cocoapods, as it
    132     # is taken as an implementation detail. We've asked for an alternative, and have been told that
    133     # what we're doing should keep working: https://github.com/CocoaPods/CocoaPods/issues/4386
    134     #
    135     # The `src_root` value of `$(PODS_ROOT)/gRPC-Core` assumes Cocoapods is installing this pod from
    136     # its remote repo. For local development of this library, enabled by using `:path` in the Podfile,
    137     # that assumption is wrong. In such case, the following settings need to be reset with the
    138     # appropriate value of `src_root`. This can be accomplished in the `pre_install` hook of the
    139     # Podfile; see `src/objective-c/tests/Podfile` for an example.
    140     src_root = '$(PODS_ROOT)/gRPC-Core'
    141     s.pod_target_xcconfig = {
    142       'GRPC_SRC_ROOT' => src_root,
    143       'HEADER_SEARCH_PATHS' => '"$(inherited)" "$(GRPC_SRC_ROOT)/include"',
    144       'USER_HEADER_SEARCH_PATHS' => '"$(GRPC_SRC_ROOT)"',
    145       # If we don't set these two settings, `include/grpc/support/time.h` and
    146       # `src/core/lib/gpr/string.h` shadow the system `<time.h>` and `<string.h>`, breaking the
    147       # build.
    148       'USE_HEADERMAP' => 'NO',
    149       'ALWAYS_SEARCH_USER_PATHS' => 'NO',
    150       'GCC_PREPROCESSOR_DEFINITIONS' => '"$(inherited)" "COCOAPODS=1" "PB_NO_PACKED_STRUCTS=1"',
    151       'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
    152     }
    153 
    154     s.default_subspecs = 'Interface', 'Implementation'
    155     s.compiler_flags = '-DGRPC_ARES=0', '-DPB_FIELD_16BIT'
    156     s.libraries = 'c++'
    157 
    158     # Like many other C libraries, gRPC-Core has its public headers under `include/<libname>/` and its
    159     # sources and private headers in other directories outside `include/`. Cocoapods' linter doesn't
    160     # allow any header to be listed outside the `header_mappings_dir` (even though doing so works in
    161     # practice). Because we need our `header_mappings_dir` to be `include/grpc/` for the reason
    162     # mentioned above, we work around the linter limitation by dividing the pod into two subspecs, one
    163     # for public headers and the other for implementation. Each gets its own `header_mappings_dir`,
    164     # making the linter happy.
    165     #
    166     # The list of source files is generated by a template: `templates/gRPC-Core.podspec.template`. It
    167     # can be regenerated from the template by running `tools/buildgen/generate_projects.sh`.
    168     s.subspec 'Interface' do |ss|
    169       ss.header_mappings_dir = 'include/grpc'
    170 
    171       ss.source_files = ${ruby_multiline_list(grpc_public_headers(libs), 22)}
    172     end
    173     s.subspec 'Implementation' do |ss|
    174       ss.header_mappings_dir = '.'
    175       ss.libraries = 'z'
    176       ss.dependency "#{s.name}/Interface", version
    177       ss.dependency 'BoringSSL-GRPC', '0.0.1'
    178       ss.dependency 'nanopb', '~> 0.3'
    179       ss.compiler_flags = '-DGRPC_SHADOW_BORINGSSL_SYMBOLS'
    180 
    181       # To save you from scrolling, this is the last part of the podspec.
    182       ss.source_files = ${ruby_multiline_list(grpc_private_files(libs), 22)}
    183 
    184       ss.private_header_files = ${ruby_multiline_list(grpc_private_headers(libs), 30)}
    185     end
    186 
    187     s.subspec 'CFStream-Implementation' do |ss|
    188       ss.header_mappings_dir = '.'
    189       ss.dependency "#{s.name}/Implementation", version
    190       ss.pod_target_xcconfig = {
    191         'GCC_PREPROCESSOR_DEFINITIONS' => 'GRPC_CFSTREAM=1'
    192       }
    193       ss.source_files = ${ruby_multiline_list(cfstream_private_files(filegroups), 22)}
    194       ss.private_header_files = ${ruby_multiline_list(cfstream_private_headers(filegroups), 30)}
    195     end
    196 
    197     s.subspec 'Cronet-Interface' do |ss|
    198       ss.header_mappings_dir = 'include/grpc'
    199       ss.source_files = ${ruby_multiline_list(grpc_cronet_public_headers(libs), 22)}
    200     end
    201 
    202     s.subspec 'Cronet-Implementation' do |ss|
    203       ss.header_mappings_dir = '.'
    204 
    205       ss.dependency "#{s.name}/Interface", version
    206       ss.dependency "#{s.name}/Implementation", version
    207       ss.dependency "#{s.name}/Cronet-Interface", version
    208 
    209       ss.source_files = ${ruby_multiline_list(grpc_cronet_files(libs), 22)}
    210     end
    211 
    212     s.subspec 'Tests' do |ss|
    213       ss.header_mappings_dir = '.'
    214 
    215       ss.dependency "#{s.name}/Interface", version
    216       ss.dependency "#{s.name}/Implementation", version
    217 
    218       ss.source_files = ${ruby_multiline_list(grpc_test_util_files(libs), 22)},
    219                         ${ruby_multiline_list(end2end_tests_files(libs), 22)}
    220     end
    221 
    222     # TODO (mxyan): Instead of this hack, add include path "third_party" to C core's include path?
    223     s.prepare_command = <<-END_OF_COMMAND
    224       find src/core/ -type f ! -path '*.grpc_back' -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "(pb(_.*)?\\.h)";#include <nanopb/\\1>;g'
    225       find src/core/ -type f -path '*.grpc_back' -print0 | xargs -0 rm
    226     END_OF_COMMAND
    227   end
    228