templates/CMakeLists.txt.template

%YAML 1.2
--- |
  # GRPC global cmake file
  # This currently builds C and C++ code.
  # 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.

  <%!
  def get_deps(target_dict):
    deps = []
    if target_dict.get('build', None) in ['protoc']:
      deps.append("libprotoc")
    if target_dict.get('secure', False):
      deps = ["ssl"]
    if target_dict['name'] in ['grpc++', 'grpc++_unsecure', 'grpc++_codegen_lib']:
      deps.append("libprotobuf")
    for d in target_dict.get('deps', []):
      deps.append(d)
    return deps

  def get_srcs(target_srcs):
    return [s.replace('third_party/nanopb', '${NANOPB_ROOT_DIR}') for s in target_srcs]
  %>

  cmake_minimum_required(VERSION 2.8)

  if (NOT BORINGSSL_ROOT_DIR)
    set(BORINGSSL_ROOT_DIR <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>/third_party/boringssl)
  endif()
  if (NOT NANOPB_ROOT_DIR)
    set(NANOPB_ROOT_DIR <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>/third_party/nanopb)
  endif()
  if (NOT PROTOBUF_ROOT_DIR)
    set(PROTOBUF_ROOT_DIR <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>/third_party/protobuf)
  endif()
  if (NOT ZLIB_ROOT_DIR)
    set(ZLIB_ROOT_DIR <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>/third_party/zlib)
  endif()


  set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
  set(CMAKE_C_FLAGS "<%text>${CMAKE_C_FLAGS}</%text> -std=c11")
  set(CMAKE_CXX_FLAGS "<%text>${CMAKE_CXX_FLAGS}</%text> -std=c++11")

  add_subdirectory(<%text>${BORINGSSL_ROOT_DIR}</%text> third_party/boringssl)
  add_subdirectory(<%text>${PROTOBUF_ROOT_DIR}</%text>/cmake third_party/protobuf)
  add_subdirectory(<%text>${ZLIB_ROOT_DIR}</%text> third_party/zlib)

  set(CMAKE_C_FLAGS "<%text>${CMAKE_C_FLAGS}</%text> -std=c11")
  set(CMAKE_CXX_FLAGS "<%text>${CMAKE_CXX_FLAGS}</%text> -std=c++11")

  % for lib in libs:
  % if lib.build in ["all", "protoc"]:
    ${cc_library(lib)}
  % endif
  % endfor

  % for tgt in targets:
  % if tgt.build == 'protoc':
  ${cc_binary(tgt)}
  % endif
  % endfor

  <%def name="cc_library(lib)">
  add_library(${lib.name}
  % for src in get_srcs(lib.src):
    ${src}
  % endfor
  )

  target_include_directories(${lib.name}
    PRIVATE <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>
    PRIVATE <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>/include
    PRIVATE <%text>${BORINGSSL_ROOT_DIR}</%text>/include
    PRIVATE <%text>${NANOPB_ROOT_DIR}</%text>
    PRIVATE <%text>${PROTOBUF_ROOT_DIR}</%text>/src
  )

  % if len(get_deps(lib)) > 0:
  target_link_libraries(${lib.name}
  % for dep in get_deps(lib):
    ${dep}
  % endfor
  )
  % endif
  </%def>

  <%def name="cc_binary(tgt)">
  add_executable(${tgt.name}
  % for src in get_srcs(tgt.src):
    ${src}
  % endfor
  )

  target_include_directories(${tgt.name}
    PRIVATE <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>
    PRIVATE <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>/include
    PRIVATE <%text>${BORINGSSL_ROOT_DIR}</%text>/include
    PRIVATE <%text>${NANOPB_ROOT_DIR}</%text>
    PRIVATE <%text>${PROTOBUF_ROOT_DIR}</%text>/src
  )

  % if len(get_deps(tgt)) > 0:
  target_link_libraries(${tgt.name}
  % for dep in get_deps(tgt):
    ${dep}
  % endfor
  )
  % endif
  </%def>