1# Copyright 2020 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15cmake_minimum_required(VERSION 3.22.1) 16 17project(icing) 18 19add_definitions("-DICING_REVERSE_JNI_SEGMENTATION=1") 20set(VERSION_SCRIPT "${CMAKE_CURRENT_SOURCE_DIR}/icing/jni.lds") 21set(CMAKE_CXX_STANDARD 17) 22set(CMAKE_SHARED_LINKER_FLAGS 23 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--version-script=${VERSION_SCRIPT}") 24 25set( 26 Protobuf_PREBUILTS_DIR 27 "${CMAKE_CURRENT_SOURCE_DIR}/../../prebuilts/protobuf") 28set(Protobuf_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../protobuf") 29set(Protobuf_TARGET_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/protobuf-target") 30set(Icing_PROTO_GEN_DIR "${CMAKE_CURRENT_BINARY_DIR}/icing-protobuf-gen") 31 32## Configure libprotobuf ## 33# Find the right protoc to compile our proto files 34if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin") 35 set(Protobuf_PROTOC_PATH "${Protobuf_PREBUILTS_DIR}/darwin-x86_64/protoc") 36elseif(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Linux") 37 set(Protobuf_PROTOC_PATH "${Protobuf_PREBUILTS_DIR}/linux-x86_64/protoc") 38elseif(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Windows") 39 set(Protobuf_PROTOC_PATH "${Protobuf_PREBUILTS_DIR}/windows-x86/protoc.exe") 40else() 41 message( 42 FATAL_ERROR 43 "No protoc prebuilt found for host OS ${CMAKE_HOST_SYSTEM_NAME}") 44endif() 45message(STATUS "Using prebuilt protoc at: ${Protobuf_PROTOC_PATH}") 46 47# Compile libprotobuf 48set(protobuf_BUILD_TESTS OFF CACHE BOOL "") 49add_subdirectory("${Protobuf_SOURCE_DIR}/cmake" ${Protobuf_TARGET_BINARY_DIR}) 50 51# Compile libandroidicu 52set(ICU_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../icu/libandroidicu") 53set(ICU_TARGET_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/icu-target") 54add_subdirectory("${ICU_SOURCE_DIR}/static_shim" ${ICU_TARGET_BINARY_DIR}) 55 56# Glob Icing proto sources. Results look like this: icing/proto/document.proto 57file( 58 GLOB_RECURSE 59 Icing_PROTO_FILES 60 RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/proto" 61 "*.proto") 62message(STATUS "Icing_PROTO_FILES=${Icing_PROTO_FILES}") 63 64 65# Run protoc on Icing_PROTO_FILES to generate pb.cc and pb.h files 66# The DEPENDS section of add_custom_command could trigger a remake if any proto 67# source file has been updated. 68file(MAKE_DIRECTORY ${Icing_PROTO_GEN_DIR}) 69foreach(FILE ${Icing_PROTO_FILES}) 70 # Find the name of the proto file without the .proto extension 71 string(REGEX REPLACE "\.proto$" "" FILE_NOEXT ${FILE}) 72 list(APPEND Icing_PROTO_SOURCES 73 "${Icing_PROTO_GEN_DIR}/${FILE_NOEXT}.pb.cc" 74 "${Icing_PROTO_GEN_DIR}/${FILE_NOEXT}.pb.h") 75 add_custom_command( 76 OUTPUT "${Icing_PROTO_GEN_DIR}/${FILE_NOEXT}.pb.cc" 77 "${Icing_PROTO_GEN_DIR}/${FILE_NOEXT}.pb.h" 78 COMMAND ${Protobuf_PROTOC_PATH} 79 --proto_path "${CMAKE_CURRENT_SOURCE_DIR}/proto" 80 --cpp_out "lite:${Icing_PROTO_GEN_DIR}" 81 ${FILE} 82 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} 83 DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/proto/${FILE} 84 ) 85endforeach() 86message(STATUS "Icing_PROTO_SOURCES=${Icing_PROTO_SOURCES}") 87 88# Glob Icing C++ sources 89# TODO: When supporting cmake v3.12 or higher, use CONFIGURE_DEPENDS in the glob 90# below so that cmake knows when to re-generate the makefiles. 91file( 92 # List files recursively 93 GLOB_RECURSE 94 # Store into a variable of this name 95 Icing_CC_SOURCES 96 # Return paths that are relative to the project root 97 RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} 98 # Glob expressions 99 icing/*.cc icing/*.h 100) 101 102# TODO(b/170611579): When supporting cmake v3.12 or higher, use CONFIGURE_DEPENDS 103# in the glob and remove this section. 104include(synced_AOSP_CL_number.txt) 105 106# Exclude the same types of files as Android.bp. See the comments there. 107list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/.*[^a-zA-Z0-9]test[^a-zA-Z0-9].*$") 108list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/.*_benchmark\.cc$") 109list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/helpers/icu/.*$") 110list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/testing/.*$") 111list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/tokenization/icu/.*$") 112list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/tokenization/simple/.*$") 113list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/tools/.*$") 114list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/transform/icu/.*$") 115list(FILTER Icing_CC_SOURCES EXCLUDE REGEX "^icing/transform/simple/.*$") 116message(STATUS "Icing_CC_SOURCES=${Icing_CC_SOURCES}") 117 118add_library( 119 # .so name 120 icing 121 122 # Shared or static 123 SHARED 124 125 # Provides a relative path to your source file(s). 126 ${Icing_CC_SOURCES} 127 ${Icing_PROTO_SOURCES} 128) 129target_include_directories(icing PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}) 130target_include_directories(icing PRIVATE ${Icing_PROTO_GEN_DIR}) 131target_include_directories(icing PRIVATE "${Protobuf_SOURCE_DIR}/src") 132target_include_directories(icing PRIVATE "${ICU_SOURCE_DIR}/include") 133target_link_libraries(icing protobuf::libprotobuf-lite libandroidicu log z) 134