1# Copyright 2022 Google LLC 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# https://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 3.13..3.26) 16 17project(libidn2-sapi CXX C) 18include(CTest) 19include(GoogleTest) 20 21set(CMAKE_CXX_STANDARD 17) 22set(CMAKE_CXX_STANDARD_REQUIRED True) 23 24if(NOT TARGET sapi::sapi) 25 set(SAPI_ROOT "../.." CACHE PATH "Path to the Sandboxed API source tree") 26 add_subdirectory("${SAPI_ROOT}" 27 "${CMAKE_BINARY_DIR}/sandboxed-api-build" 28 # Omit this to have the full Sandboxed API in IDE 29 EXCLUDE_FROM_ALL) 30endif() 31 32# Use pkg-config for the libidn2 include paths 33find_package(PkgConfig REQUIRED) 34pkg_check_modules(libidn2 REQUIRED IMPORTED_TARGET libidn2) 35 36# System libidn2 needs to have the libidn2-dev and libunistring-dev packages 37# installed. We cannot use pkg-config here, as libidn2's pkg-config file does 38# not support static linking well. 39find_library(libidn2 NAMES libidn2.a idn2) 40find_library(libunistring NAMES libunistring.a unistring) 41 42# Combine libidn2 and its dependency into a single static library 43add_library(idn2_static STATIC 44 "${SAPI_BINARY_DIR}/sapi_force_cxx_linkage.cc" 45) 46target_link_libraries(idn2_static PUBLIC 47 "-Wl,--whole-archive,${libidn2},--no-whole-archive" 48 "-Wl,--whole-archive,${libunistring},--no-whole-archive" 49) 50 51add_sapi_library(libidn2_sapi 52 FUNCTIONS idn2_lookup_u8 idn2_register_u8 53 idn2_strerror idn2_strerror_name 54 idn2_free idn2_to_ascii_8z 55 idn2_to_unicode_8z8z 56 INPUTS "${libidn2_INCLUDEDIR}/idn2.h" 57 LIBRARY idn2_static 58 LIBRARY_NAME IDN2 59 NAMESPACE "" 60) 61target_include_directories(libidn2_sapi INTERFACE 62 "${PROJECT_BINARY_DIR}" 63) 64 65add_library(libidn2_sapi_wrapper 66 libidn2_sapi.cc 67 libidn2_sapi.h 68) 69add_library(sapi_contrib::libidn2 ALIAS libidn2_sapi_wrapper) 70target_link_libraries(libidn2_sapi_wrapper 71 # PUBLIC so that the include directories are included in the interface 72 PUBLIC libidn2_sapi 73 sapi::base 74 PRIVATE absl::die_if_null 75 idn2 76) 77 78if(BUILD_TESTING AND SAPI_BUILD_TESTING) 79 add_subdirectory(tests) 80endif() 81