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| 1 | +cmake_minimum_required(VERSION 3.13) |
| 2 | + |
| 3 | +project(mlspp |
| 4 | + VERSION 0.1 |
| 5 | + LANGUAGES CXX |
| 6 | +) |
| 7 | + |
| 8 | +option(TESTING "Build tests" OFF) |
| 9 | +option(CLANG_TIDY "Perform linting with clang-tidy" OFF) |
| 10 | +option(SANITIZERS "Enable sanitizers" OFF) |
| 11 | +option(MLS_NAMESPACE_SUFFIX "Namespace Suffix for CXX and CMake Export") |
| 12 | +option(DISABLE_GREASE "Disables the inclusion of MLS protocol recommended GREASE values" OFF) |
| 13 | +option(REQUIRE_BORINGSSL "Require BoringSSL instead of OpenSSL" OFF) |
| 14 | + |
| 15 | +if(MLS_NAMESPACE_SUFFIX) |
| 16 | + set(MLS_CXX_NAMESPACE "mls_${MLS_NAMESPACE_SUFFIX}" CACHE STRING "Top-level Namespace for CXX") |
| 17 | + set(MLS_EXPORT_NAMESPACE "MLSPP${MLS_NAMESPACE_SUFFIX}" CACHE STRING "Namespace for CMake Export") |
| 18 | +else() |
| 19 | + set(MLS_CXX_NAMESPACE "../include/dpp/mlspp/mls" CACHE STRING "Top-level Namespace for CXX") |
| 20 | + set(MLS_EXPORT_NAMESPACE "MLSPP" CACHE STRING "Namespace for CMake Export") |
| 21 | +endif() |
| 22 | +message(STATUS "CXX Namespace: ${MLS_CXX_NAMESPACE}") |
| 23 | +message(STATUS "CMake Export Namespace: ${MLS_EXPORT_NAMESPACE}") |
| 24 | + |
| 25 | + |
| 26 | +### |
| 27 | +### Global Config |
| 28 | +### |
| 29 | +set_property(GLOBAL PROPERTY USE_FOLDERS ON) |
| 30 | + |
| 31 | +configure_file( |
| 32 | + "cmake/namespace.h.in" |
| 33 | + "${CMAKE_CURRENT_SOURCE_DIR}/include/namespace.h" |
| 34 | + @ONLY |
| 35 | +) |
| 36 | + |
| 37 | +include(CheckCXXCompilerFlag) |
| 38 | +include(CMakePackageConfigHelpers) |
| 39 | +include(GNUInstallDirs) |
| 40 | + |
| 41 | +set(CMAKE_CXX_STANDARD 17) |
| 42 | +set(CMAKE_CXX_STANDARD_REQUIRED ON) |
| 43 | +if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU") |
| 44 | + add_compile_options(-Wall -pedantic -Wextra -Werror -Wmissing-declarations) |
| 45 | +elseif(MSVC) |
| 46 | + add_compile_options(/W4 /WX) |
| 47 | + add_definitions(-DWINDOWS) |
| 48 | + |
| 49 | + # MSVC helpfully recommends safer equivalents for things like |
| 50 | + # getenv, but they are not portable. |
| 51 | + add_definitions(-D_CRT_SECURE_NO_WARNINGS) |
| 52 | +endif() |
| 53 | + |
| 54 | +if("$ENV{MACOSX_DEPLOYMENT_TARGET}" STREQUAL "10.11") |
| 55 | + add_compile_options(-DVARIANT_COMPAT) |
| 56 | +endif() |
| 57 | + |
| 58 | +if (DISABLE_GREASE) |
| 59 | + add_compile_options(-DDISABLE_GREASE) |
| 60 | +endif () |
| 61 | + |
| 62 | +### |
| 63 | +### Dependencies |
| 64 | +### |
| 65 | + |
| 66 | +# Configure vcpkg to only build release libraries |
| 67 | +set(VCPKG_BUILD_TYPE release) |
| 68 | + |
| 69 | +# External libraries |
| 70 | +find_package(OpenSSL REQUIRED) |
| 71 | +if ( OPENSSL_FOUND ) |
| 72 | + find_path(BORINGSSL_INCLUDE_DIR openssl/is_boringssl.h HINTS ${OPENSSL_INCLUDE_DIR} NO_DEFAULT_PATH) |
| 73 | + |
| 74 | + if (BORINGSSL_INCLUDE_DIR) |
| 75 | + message(STATUS "Found OpenSSL includes are for BoringSSL") |
| 76 | + |
| 77 | + add_compile_definitions(WITH_BORINGSSL) |
| 78 | + |
| 79 | + if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU") |
| 80 | + add_compile_options(-Wno-gnu-anonymous-struct -Wno-nested-anon-types) |
| 81 | + endif () |
| 82 | + |
| 83 | + file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/crypto.h" boringssl_version_str |
| 84 | + REGEX "^#[\t ]*define[\t ]+OPENSSL_VERSION_TEXT[\t ]+\"OpenSSL ([0-9])+\\.([0-9])+\\.([0-9])+ .+") |
| 85 | + |
| 86 | + string(REGEX REPLACE "^.*OPENSSL_VERSION_TEXT[\t ]+\"OpenSSL ([0-9]+\\.[0-9]+\\.[0-9])+ .+$" |
| 87 | + "\\1" OPENSSL_VERSION "${boringssl_version_str}") |
| 88 | + |
| 89 | + elseif (REQUIRE_BORINGSSL) |
| 90 | + message(FATAL_ERROR "BoringSSL required but not found") |
| 91 | + endif () |
| 92 | + |
| 93 | + if (${OPENSSL_VERSION} VERSION_GREATER_EQUAL 3) |
| 94 | + add_compile_definitions(WITH_OPENSSL3) |
| 95 | + elseif(${OPENSSL_VERSION} VERSION_LESS 1.1.1) |
| 96 | + message(FATAL_ERROR "OpenSSL 1.1.1 or greater is required") |
| 97 | + endif() |
| 98 | + message(STATUS "OpenSSL Found: ${OPENSSL_VERSION}") |
| 99 | + message(STATUS "OpenSSL Include: ${OPENSSL_INCLUDE_DIR}") |
| 100 | + message(STATUS "OpenSSL Libraries: ${OPENSSL_LIBRARIES}") |
| 101 | +else() |
| 102 | + message(FATAL_ERROR "No OpenSSL library found") |
| 103 | +endif() |
| 104 | + |
| 105 | +# Internal libraries |
| 106 | +add_subdirectory(lib) |
| 107 | + |
| 108 | +# Third-Party libraries in tree |
| 109 | +add_subdirectory(third_party) |
| 110 | + |
| 111 | + |
| 112 | +### |
| 113 | +### Library Config |
| 114 | +### |
| 115 | + |
| 116 | +set(LIB_NAME "${PROJECT_NAME}") |
| 117 | + |
| 118 | +file(GLOB_RECURSE LIB_HEADERS CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/include/*.h") |
| 119 | +file(GLOB_RECURSE LIB_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp") |
| 120 | + |
| 121 | +add_library(${LIB_NAME} STATIC ${LIB_HEADERS} ${LIB_SOURCES}) |
| 122 | +add_dependencies(${LIB_NAME} bytes tls_syntax hpke) |
| 123 | +target_link_libraries(${LIB_NAME} bytes tls_syntax hpke) |
| 124 | +target_include_directories(${LIB_NAME} |
| 125 | + PUBLIC |
| 126 | + $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> |
| 127 | + $<INSTALL_INTERFACE:include/${PROJECT_NAME}> |
| 128 | + PRIVATE |
| 129 | + ${OPENSSL_INCLUDE_DIR} |
| 130 | +) |
| 131 | + |
| 132 | +install(TARGETS ${LIB_NAME} EXPORT mlspp-targets) |
| 133 | + |
| 134 | + |
| 135 | +### |
| 136 | +### Exports |
| 137 | +### |
| 138 | +set(CMAKE_EXPORT_PACKAGE_REGISTRY ON) |
| 139 | +export( |
| 140 | + EXPORT |
| 141 | + mlspp-targets |
| 142 | + NAMESPACE |
| 143 | + ${MLS_EXPORT_NAMESPACE}:: |
| 144 | + FILE |
| 145 | + ${MLS_EXPORT_NAMESPACE}Targets.cmake) |
| 146 | +export(PACKAGE ${MLS_EXPORT_NAMESPACE}) |
| 147 | + |
| 148 | +configure_package_config_file(cmake/config.cmake.in |
| 149 | + ${CMAKE_CURRENT_BINARY_DIR}/${MLS_EXPORT_NAMESPACE}Config.cmake |
| 150 | + INSTALL_DESTINATION ${CMAKE_INSTALL_DATADIR}/${MLS_EXPORT_NAMESPACE} |
| 151 | + NO_SET_AND_CHECK_MACRO) |
| 152 | + |
| 153 | +write_basic_package_version_file( |
| 154 | + ${CMAKE_CURRENT_BINARY_DIR}/${MLS_EXPORT_NAMESPACE}ConfigVersion.cmake |
| 155 | + VERSION ${PROJECT_VERSION} |
| 156 | + COMPATIBILITY SameMajorVersion) |
| 157 | + |
| 158 | +### |
| 159 | +### Install |
| 160 | +### |
| 161 | + |
| 162 | +install( |
| 163 | + EXPORT |
| 164 | + mlspp-targets |
| 165 | + NAMESPACE |
| 166 | + ${MLS_EXPORT_NAMESPACE}:: |
| 167 | + FILE |
| 168 | + ${MLS_EXPORT_NAMESPACE}Targets.cmake |
| 169 | + DESTINATION |
| 170 | + ${CMAKE_INSTALL_DATADIR}/${MLS_EXPORT_NAMESPACE}) |
| 171 | + |
| 172 | +install( |
| 173 | + DIRECTORY |
| 174 | + include |
| 175 | + DESTINATION |
| 176 | + ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}) |
| 177 | + |
| 178 | +install( |
| 179 | + FILES |
| 180 | + ${CMAKE_CURRENT_BINARY_DIR}/${MLS_EXPORT_NAMESPACE}Config.cmake |
| 181 | + ${CMAKE_CURRENT_BINARY_DIR}/${MLS_EXPORT_NAMESPACE}ConfigVersion.cmake |
| 182 | + DESTINATION |
| 183 | + ${CMAKE_INSTALL_DATADIR}/${MLS_EXPORT_NAMESPACE}) |
| 184 | + |
| 185 | +install( |
| 186 | + FILES |
| 187 | + LICENSE |
| 188 | + DESTINATION |
| 189 | + ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME} |
| 190 | + RENAME |
| 191 | + copyright) |
| 192 | + |
| 193 | +include_directories("${CMAKE_CURRENT_SOURCE_DIR}/lib/bytes/include") |
| 194 | +include_directories("${CMAKE_CURRENT_SOURCE_DIR}/lib/hpke/include") |
| 195 | +include_directories("${CMAKE_CURRENT_SOURCE_DIR}/lib/mls_vectors/include") |
| 196 | +include_directories("${CMAKE_CURRENT_SOURCE_DIR}/lib/tls_syntax/include") |
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