comparison src/capnproto-git-20161025/c++/CMakeLists.txt @ 133:1ac99bfc383d

Add Cap'n Proto source

+project("Cap'n Proto" CXX)
+cmake_minimum_required(VERSION 3.0)
+set(VERSION 0.6-dev)
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+include(CheckIncludeFileCXX)
+include(GNUInstallDirs)
+if(MSVC)
+  check_include_file_cxx(initializer_list HAS_CXX11)
+else()
+  check_include_file_cxx(initializer_list HAS_CXX11 "-std=gnu++0x")
+endif()
+if(NOT HAS_CXX11)
+  message(SEND_ERROR "Requires a C++11 compiler and standard library.")
+endif()
+
+# these arguments are passed to all install(TARGETS) calls
+set(INSTALL_TARGETS_DEFAULT_ARGS
+  EXPORT CapnProtoTargets
+  ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+  LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+  RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+)
+
+# Options ======================================================================
+
+option(BUILD_TESTING "Build unit tests and enable CTest 'check' target." ON)
+option(EXTERNAL_CAPNP "Use the system capnp binary, or the one specified in $CAPNP, instead of using the compiled one." OFF)
+option(CAPNP_LITE "Compile Cap'n Proto in 'lite mode', in which all reflection APIs (schema.h, dynamic.h, etc.) are not included. Produces a smaller library at the cost of features. All programs built against the library must be compiled with -DCAPNP_LITE. Requires EXTERNAL_CAPNP." OFF)
+
+# Check for invalid combinations of build options
+if(CAPNP_LITE AND BUILD_TESTING AND NOT EXTERNAL_CAPNP)
+  message(SEND_ERROR "You must set EXTERNAL_CAPNP when using CAPNP_LITE and BUILD_TESTING.")
+endif()
+
+
+if(MSVC AND NOT CAPNP_LITE)
+  message(SEND_ERROR "Building with MSVC is only supported with CAPNP_LITE.")
+endif()
+
+if(CAPNP_LITE)
+  set(CAPNP_LITE_FLAG "-DCAPNP_LITE")
+  # This flag is attached as PUBLIC target_compile_definition to kj target
+else()
+  set(CAPNP_LITE_FLAG)
+endif()
+
+if(MSVC)
+  # TODO(cleanup): Enable higher warning level in MSVC, but make sure to test
+  #   build with that warning level and clean out false positives.
+else()
+  # Note that it's important to add new CXXFLAGS before ones specified by the
+  # user, so that the user's flags override them. This is particularly
+  # important if -Werror was enabled and then certain warnings need to be
+  # disabled, as is done in super-test.sh.
+  #
+  # We enable a lot of warnings, but then disable some:
+  # * strict-aliasing: We use type-punning in known-safe ways that GCC doesn't
+  #   recognize as safe.
+  # * sign-compare: Low S/N ratio.
+  # * unused-parameter: Low S/N ratio.
+  #
+  # We have to use -std=gnu++0x isntead of -std=c++11 because otherwise we lose
+  # GNU extensions that we need.
+  add_compile_options(-std=gnu++0x -Wall -Wextra -Wno-strict-aliasing -Wno-sign-compare -Wno-unused-parameter)
+
+  if (NOT ANDROID)
+    add_compile_options(-pthread)
+  endif()
+endif()
+
+# Source =======================================================================
+include(CapnProtoMacros)
+add_subdirectory(src)
+
+# Install ======================================================================
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+  "${CMAKE_CURRENT_BINARY_DIR}/cmake/CapnProtoConfigVersion.cmake"
+  VERSION ${VERSION}
+  COMPATIBILITY AnyNewerVersion
+)
+set(CONFIG_PACKAGE_LOCATION ${CMAKE_INSTALL_LIBDIR}/cmake/CapnProto)
+
+configure_package_config_file(cmake/CapnProtoConfig.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/cmake/CapnProtoConfig.cmake
+  INSTALL_DESTINATION ${CONFIG_PACKAGE_LOCATION}
+  PATH_VARS CMAKE_INSTALL_FULL_INCLUDEDIR
+)
+export(EXPORT CapnProtoTargets
+  FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/CapnProtoTargets.cmake"
+  NAMESPACE CapnProto::
+)
+install(EXPORT CapnProtoTargets
+  FILE CapnProtoTargets.cmake
+  NAMESPACE CapnProto::
+  DESTINATION ${CONFIG_PACKAGE_LOCATION}
+)
+install(FILES
+  cmake/CapnProtoMacros.cmake
+  ${CMAKE_CURRENT_BINARY_DIR}/cmake/CapnProtoConfig.cmake
+  ${CMAKE_CURRENT_BINARY_DIR}/cmake/CapnProtoConfigVersion.cmake
+  DESTINATION ${CONFIG_PACKAGE_LOCATION}
+)
+#install CapnProtoMacros for CapnProtoConfig.cmake build directory consumers
+configure_file(cmake/CapnProtoMacros.cmake cmake/CapnProtoMacros.cmake COPYONLY)
+
+if(NOT MSVC)  # Don't install pkg-config files when building with MSVC
+  # Variables for pkg-config files
+  set(prefix "${CMAKE_INSTALL_PREFIX}")
+  set(exec_prefix "") # not needed since we use absolute paths in libdir and includedir
+  set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+  set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+  set(PTHREAD_CFLAGS "-pthread")
+  set(STDLIB_FLAG)  # TODO: Unsupported
+
+  configure_file(kj.pc.in "${CMAKE_CURRENT_BINARY_DIR}/kj.pc" @ONLY)
+  install(FILES "${CMAKE_CURRENT_BINARY_DIR}/kj.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+
+  configure_file(capnp.pc.in "${CMAKE_CURRENT_BINARY_DIR}/capnp.pc" @ONLY)
+  install(FILES "${CMAKE_CURRENT_BINARY_DIR}/capnp.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+
+  if(NOT CAPNP_LITE)
+    configure_file(kj-async.pc.in "${CMAKE_CURRENT_BINARY_DIR}/kj-async.pc" @ONLY)
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/kj-async.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+
+    configure_file(capnp-rpc.pc.in "${CMAKE_CURRENT_BINARY_DIR}/capnp-rpc.pc" @ONLY)
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/capnp-rpc.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+
+    configure_file(capnp-json.pc.in "${CMAKE_CURRENT_BINARY_DIR}/capnp-json.pc" @ONLY)
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/capnp-json.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+  endif()
+
+  unset(STDLIB_FLAG)
+  unset(PTHREAD_CFLAGS)
+  unset(includedir)
+  unset(libdir)
+  unset(exec_prefix)
+  unset(prefix)
+endif()