blob: 6085713fa0d58425934ac211ad674aac58f9c5fa [file] [log] [blame]
cmake_minimum_required(VERSION 3.10)
# Defer enabling C and CXX languages.
project(BoringSSL NONE)
# Don't install BoringSSL to system directories by default; it has no stable
# ABI. Instead, default to an "install" directory under the source.
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX ${CMAKE_SOURCE_DIR}/install CACHE PATH "" FORCE)
endif()
if(WIN32)
# On Windows, prefer cl over gcc if both are available. By default most of
# the CMake generators prefer gcc, even on Windows.
set(CMAKE_GENERATOR_CC cl)
endif()
include(sources.cmake)
include(cmake/perlasm.cmake)
enable_language(C)
enable_language(CXX)
include(GNUInstallDirs)
# This is a dummy target which all other targets depend on (manually - see other
# CMakeLists.txt files). This gives us a hook to add any targets which need to
# run before all other targets.
add_custom_target(global_target)
if(ANDROID)
# Android-NDK CMake files reconfigure the path and so Go and Perl won't be
# found. However, ninja will still find them in $PATH if we just name them.
if(NOT PERL_EXECUTABLE)
set(PERL_EXECUTABLE "perl")
endif()
if(NOT GO_EXECUTABLE)
set(GO_EXECUTABLE "go")
endif()
else()
find_package(Perl REQUIRED)
find_program(GO_EXECUTABLE go)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND NOT CMAKE_CROSSCOMPILING)
find_package(PkgConfig QUIET)
if (PkgConfig_FOUND)
pkg_check_modules(LIBUNWIND libunwind-generic)
if(LIBUNWIND_FOUND)
add_definitions(-DBORINGSSL_HAVE_LIBUNWIND)
else()
message("libunwind not found. Disabling unwind tests.")
endif()
else()
message("pkgconfig not found. Disabling unwind tests.")
endif()
endif()
if(NOT GO_EXECUTABLE)
message(FATAL_ERROR "Could not find Go")
endif()
if(USE_CUSTOM_LIBCXX)
set(BORINGSSL_ALLOW_CXX_RUNTIME 1)
endif()
if(BORINGSSL_ALLOW_CXX_RUNTIME)
add_definitions(-DBORINGSSL_ALLOW_CXX_RUNTIME)
endif()
string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER)
if(NOT FIPS)
if(CMAKE_BUILD_TYPE_LOWER STREQUAL "relwithassert" OR
NOT CMAKE_BUILD_TYPE_LOWER MATCHES "rel")
add_definitions(-DBORINGSSL_DISPATCH_TEST)
# CMake automatically connects include_directories to the NASM
# command-line, but not add_definitions.
set(CMAKE_ASM_NASM_FLAGS "${CMAKE_ASM_NASM_FLAGS} -DBORINGSSL_DISPATCH_TEST")
endif()
endif()
# Add a RelWithAsserts build configuration. It is the same as Release, except it
# does not define NDEBUG, so asserts run.
foreach(VAR CMAKE_C_FLAGS CMAKE_CXX_FLAGS CMAKE_ASM_FLAGS)
string(REGEX REPLACE "(^| )[/-]DNDEBUG( |$)" " " "${VAR}_RELWITHASSERTS"
"${${VAR}_RELEASE}")
endforeach()
if(BORINGSSL_PREFIX AND BORINGSSL_PREFIX_SYMBOLS)
add_definitions(-DBORINGSSL_PREFIX=${BORINGSSL_PREFIX})
# CMake automatically connects include_directories to the NASM command-line,
# but not add_definitions.
set(CMAKE_ASM_NASM_FLAGS "${CMAKE_ASM_NASM_FLAGS} -DBORINGSSL_PREFIX=${BORINGSSL_PREFIX}")
# Use "symbol_prefix_include" to store generated header files
include_directories(${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include)
add_custom_command(
OUTPUT symbol_prefix_include/boringssl_prefix_symbols.h
symbol_prefix_include/boringssl_prefix_symbols_asm.h
symbol_prefix_include/boringssl_prefix_symbols_nasm.inc
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include
COMMAND ${GO_EXECUTABLE} run ${CMAKE_CURRENT_SOURCE_DIR}/util/make_prefix_headers.go -out ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include ${BORINGSSL_PREFIX_SYMBOLS}
DEPENDS util/make_prefix_headers.go
${CMAKE_BINARY_DIR}/${BORINGSSL_PREFIX_SYMBOLS})
# add_dependencies needs a target, not a file, so we add an intermediate
# target.
add_custom_target(
boringssl_prefix_symbols
DEPENDS symbol_prefix_include/boringssl_prefix_symbols.h
symbol_prefix_include/boringssl_prefix_symbols_asm.h
symbol_prefix_include/boringssl_prefix_symbols_nasm.inc)
add_dependencies(global_target boringssl_prefix_symbols)
elseif(BORINGSSL_PREFIX OR BORINGSSL_PREFIX_SYMBOLS)
message(FATAL_ERROR "Must specify both or neither of BORINGSSL_PREFIX and BORINGSSL_PREFIX_SYMBOLS")
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CLANG 1)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(EMSCRIPTEN 1)
endif()
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
if(CMAKE_COMPILER_IS_GNUCXX OR CLANG)
# Note clang-cl is odd and sets both CLANG and MSVC. We base our configuration
# primarily on our normal Clang one.
set(C_CXX_FLAGS "-Werror -Wformat=2 -Wsign-compare -Wmissing-field-initializers -Wwrite-strings -Wvla -Wshadow -Wtype-limits")
if(MSVC)
# clang-cl sets different default warnings than clang. It also treats -Wall
# as -Weverything, to match MSVC. Instead -W3 is the alias for -Wall.
# See http://llvm.org/viewvc/llvm-project?view=revision&revision=319116
set(C_CXX_FLAGS "${C_CXX_FLAGS} -W3 -Wno-unused-parameter -fmsc-version=1900")
# googletest suppresses warning C4996 via a pragma, but clang-cl does not
# honor it. Suppress it here to compensate. See https://crbug.com/772117.
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wno-deprecated-declarations")
else()
if(EMSCRIPTEN)
# emscripten's emcc/clang does not accept the "-ggdb" flag.
set(C_CXX_FLAGS "${C_CXX_FLAGS} -g")
else()
set(C_CXX_FLAGS "${C_CXX_FLAGS} -ggdb")
endif()
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wall -fvisibility=hidden -fno-common")
endif()
if(CLANG)
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wnewline-eof -fcolor-diagnostics")
else()
# GCC (at least 4.8.4) has a bug where it'll find unreachable free() calls
# and declare that the code is trying to free a stack pointer.
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wno-free-nonheap-object")
endif()
# -Wstring-concatenation was added in Clang 12.0.0, which corresponds to
# AppleClang 13.0.0 per the table in
# https://en.wikipedia.org/wiki/Xcode#Toolchain_versions
if((CMAKE_C_COMPILER_ID STREQUAL "Clang" AND
CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "12.0.0") OR
(CMAKE_C_COMPILER_ID STREQUAL "AppleClang" AND
CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "13.0.0"))
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wstring-concatenation")
endif()
if(CLANG OR CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "7.0.0")
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wimplicit-fallthrough")
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wformat-signedness")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_CXX_FLAGS} -Wmissing-prototypes -Wold-style-definition -Wstrict-prototypes")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${C_CXX_FLAGS} -Wmissing-declarations")
if(NOT MSVC AND NOT BORINGSSL_ALLOW_CXX_RUNTIME)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-rtti")
endif()
# In GCC, -Wmissing-declarations is the C++ spelling of -Wmissing-prototypes
# and using the wrong one is an error. In Clang, -Wmissing-prototypes is the
# spelling for both and -Wmissing-declarations is some other warning.
#
# https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gcc/Warning-Options.html#Warning-Options
# https://clang.llvm.org/docs/DiagnosticsReference.html#wmissing-prototypes
# https://clang.llvm.org/docs/DiagnosticsReference.html#wmissing-declarations
if(CLANG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wmissing-prototypes")
endif()
elseif(MSVC)
set(MSVC_DISABLED_WARNINGS_LIST
"C4100" # 'exarg' : unreferenced formal parameter
"C4127" # conditional expression is constant
# C4204 and C4221 are C89-only restrictions which were dropped in C99, but
# VS2017 warns about it. They can be removed when we require VS2019.
"C4204" # nonstandard extension used: non-constant aggregate initializer
"C4221" # nonstandard extension used : 'identifier' : cannot be
# initialized using address of automatic variable
"C4244" # 'function' : conversion from 'int' to 'uint8_t',
# possible loss of data
"C4267" # conversion from 'size_t' to 'int', possible loss of data
"C4706" # assignment within conditional expression
)
string(REPLACE "C" " -wd" MSVC_DISABLED_WARNINGS_STR
${MSVC_DISABLED_WARNINGS_LIST})
set(CMAKE_C_FLAGS "-utf-8 -W4 -WX ${MSVC_DISABLED_WARNINGS_STR}")
set(CMAKE_CXX_FLAGS "-utf-8 -W4 -WX ${MSVC_DISABLED_WARNINGS_STR}")
endif()
if(WIN32)
add_definitions(-D_HAS_EXCEPTIONS=0)
add_definitions(-DWIN32_LEAN_AND_MEAN)
add_definitions(-DNOMINMAX)
# Allow use of fopen.
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif()
# pthread_rwlock_t on Linux requires a feature flag. We limit this to Linux
# because, on Apple platforms, it instead disables APIs we use. See compat(5)
# and sys/cdefs.h. Reportedly, FreeBSD also breaks when this is set. See
# https://crbug.com/boringssl/471.
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=700")
endif()
if(FUZZ)
if(NOT CLANG)
message(FATAL_ERROR "You need to build with Clang for fuzzing to work")
endif()
if(CMAKE_C_COMPILER_VERSION VERSION_LESS "6.0.0")
message(FATAL_ERROR "You need Clang ≥ 6.0.0")
endif()
add_definitions(-DBORINGSSL_UNSAFE_DETERMINISTIC_MODE)
set(RUNNER_ARGS "-deterministic")
if(NOT NO_FUZZER_MODE)
add_definitions(-DBORINGSSL_UNSAFE_FUZZER_MODE)
set(RUNNER_ARGS ${RUNNER_ARGS} "-fuzzer" "-shim-config" "fuzzer_mode.json")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address,fuzzer-no-link -fsanitize-coverage=edge,indirect-calls")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address,fuzzer-no-link -fsanitize-coverage=edge,indirect-calls")
endif()
add_definitions(-DBORINGSSL_IMPLEMENTATION)
if(BUILD_SHARED_LIBS)
add_definitions(-DBORINGSSL_SHARED_LIBRARY)
# Enable position-independent code globally. This is needed because
# some library targets are OBJECT libraries.
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
endif()
if(MSAN)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable MSAN unless using Clang")
endif()
if(ASAN)
message(FATAL_ERROR "ASAN and MSAN are mutually exclusive")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
endif()
if(ASAN)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable ASAN unless using Clang")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope -fno-omit-frame-pointer")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope -fno-omit-frame-pointer")
endif()
if(CFI)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable CFI unless using Clang")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=cfi -fno-sanitize-trap=cfi -flto=thin")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=cfi -fno-sanitize-trap=cfi -flto=thin")
# We use Chromium's copy of clang, which requires -fuse-ld=lld if building
# with -flto. That, in turn, can't handle -ggdb.
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=lld")
string(REPLACE "-ggdb" "-g" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REPLACE "-ggdb" "-g" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
# -flto causes object files to contain LLVM bitcode. Mixing those with
# assembly output in the same static library breaks the linker.
set(OPENSSL_NO_ASM "1")
endif()
if(TSAN)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable TSAN unless using Clang")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=thread")
endif()
if(UBSAN)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable UBSAN unless using Clang")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=undefined")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=undefined")
if(NOT UBSAN_RECOVER)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-sanitize-recover=undefined")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-sanitize-recover=undefined")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-sanitize-recover=undefined")
endif()
endif()
if(GCOV)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
endif()
if(FIPS)
add_definitions(-DBORINGSSL_FIPS)
if(FIPS_BREAK_TEST)
add_definitions("-DBORINGSSL_FIPS_BREAK_${FIPS_BREAK_TEST}=1")
endif()
# The FIPS integrity check does not work for ASan and MSan builds.
if(NOT ASAN AND NOT MSAN)
if(BUILD_SHARED_LIBS)
set(FIPS_SHARED "1")
else()
set(FIPS_DELOCATE "1")
endif()
endif()
if(FIPS_SHARED)
# The Android CMake files set -ffunction-sections and -fdata-sections,
# which is incompatible with FIPS_SHARED.
set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} -fno-function-sections -fno-data-sections")
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -fno-function-sections -fno-data-sections")
endif()
endif()
if(OPENSSL_SMALL)
add_definitions(-DOPENSSL_SMALL)
endif()
if(CONSTANT_TIME_VALIDATION)
add_definitions(-DBORINGSSL_CONSTANT_TIME_VALIDATION)
# Asserts will often test secret data.
add_definitions(-DNDEBUG)
endif()
function(go_executable dest package)
set(godeps "${CMAKE_SOURCE_DIR}/util/godeps.go")
if(NOT CMAKE_GENERATOR STREQUAL "Ninja")
# The DEPFILE parameter to add_custom_command only works with Ninja. Query
# the sources at configure time. Additionally, everything depends on go.mod.
# That affects what external packages to use.
#
# TODO(davidben): Starting CMake 3.20, it also works with Make. Starting
# 3.21, it works with Visual Studio and Xcode too.
execute_process(COMMAND ${GO_EXECUTABLE} run ${godeps} -format cmake
-pkg ${package}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE sources
RESULT_VARIABLE godeps_result)
add_custom_command(OUTPUT ${dest}
COMMAND ${GO_EXECUTABLE} build
-o ${CMAKE_CURRENT_BINARY_DIR}/${dest} ${package}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
DEPENDS ${sources} ${CMAKE_SOURCE_DIR}/go.mod)
else()
# Ninja expects the target in the depfile to match the output. This is a
# relative path from the build directory.
string(LENGTH "${CMAKE_BINARY_DIR}" root_dir_length)
math(EXPR root_dir_length "${root_dir_length} + 1")
string(SUBSTRING "${CMAKE_CURRENT_BINARY_DIR}" ${root_dir_length} -1 target)
set(target "${target}/${dest}")
set(depfile "${CMAKE_CURRENT_BINARY_DIR}/${dest}.d")
add_custom_command(OUTPUT ${dest}
COMMAND ${GO_EXECUTABLE} build
-o ${CMAKE_CURRENT_BINARY_DIR}/${dest} ${package}
COMMAND ${GO_EXECUTABLE} run ${godeps} -format depfile
-target ${target} -pkg ${package} -out ${depfile}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
DEPENDS ${godeps} ${CMAKE_SOURCE_DIR}/go.mod
DEPFILE ${depfile})
endif()
endfunction()
if(OPENSSL_NO_ASM)
add_definitions(-DOPENSSL_NO_ASM)
endif()
if(FIPS_DELOCATE OR NOT OPENSSL_NO_ASM)
# On x86 and x86_64 Windows, we use the NASM output.
if(WIN32 AND CMAKE_SYSTEM_PROCESSOR MATCHES "AMD64|x86_64|amd64|x86|i[3-6]86")
enable_language(ASM_NASM)
set(OPENSSL_NASM TRUE)
set(CMAKE_ASM_NASM_FLAGS "${CMAKE_ASM_NASM_FLAGS} -gcv8")
else()
enable_language(ASM)
set(OPENSSL_ASM TRUE)
# CMake does not add -isysroot and -arch flags to assembly.
if(APPLE)
if(CMAKE_OSX_SYSROOT)
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -isysroot \"${CMAKE_OSX_SYSROOT}\"")
endif()
foreach(arch ${CMAKE_OSX_ARCHITECTURES})
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -arch ${arch}")
endforeach()
endif()
if(NOT WIN32)
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wa,--noexecstack")
endif()
# Clang's integerated assembler does not support debug symbols.
if(NOT CMAKE_ASM_COMPILER_ID MATCHES "Clang")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wa,-g")
endif()
endif()
endif()
if(OPENSSL_NO_SSE2_FOR_TESTING)
add_definitions(-DOPENSSL_NO_SSE2_FOR_TESTING)
endif()
if(USE_CUSTOM_LIBCXX)
if(NOT CLANG)
message(FATAL_ERROR "USE_CUSTOM_LIBCXX only supported with Clang")
endif()
# CMAKE_CXX_FLAGS ends up in the linker flags as well, so use
# add_compile_options. There does not appear to be a way to set
# language-specific compile-only flags.
add_compile_options("-nostdinc++")
set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -nostdlib++")
include_directories(
SYSTEM
util/bot/libcxx-config
util/bot/libcxx/include
util/bot/libcxxabi/include
)
# This is patterned after buildtools/third_party/libc++/BUILD.gn and
# buildtools/third_party/libc++abi/BUILD.gn in Chromium.
file(GLOB LIBCXX_SOURCES "util/bot/libcxx/src/*.cpp")
file(GLOB LIBCXXABI_SOURCES "util/bot/libcxxabi/src/*.cpp")
# This file is meant for exception-less builds.
list(REMOVE_ITEM LIBCXXABI_SOURCES "trunk/src/cxa_noexception.cpp")
# libc++ also defines new and delete.
list(REMOVE_ITEM LIBCXXABI_SOURCES "trunk/src/stdlib_new_delete.cpp")
if(TSAN)
# ThreadSanitizer tries to intercept these symbols. Skip them to avoid
# symbol conflicts.
list(REMOVE_ITEM LIBCXXABI_SOURCES "trunk/src/cxa_guard.cpp")
endif()
add_library(libcxxabi ${LIBCXXABI_SOURCES})
target_compile_definitions(
libcxxabi PRIVATE
-D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
)
install(TARGETS libcxxabi EXPORT OpenSSLTargets)
add_library(libcxx ${LIBCXX_SOURCES})
if(ASAN OR MSAN OR TSAN)
# Sanitizers try to intercept new and delete.
target_compile_definitions(
libcxx PRIVATE
-D_LIBCPP_DISABLE_NEW_DELETE_DEFINITIONS
)
endif()
target_compile_definitions(
libcxx PRIVATE
-D_LIBCPP_BUILDING_LIBRARY
-DLIBCXX_BUILDING_LIBCXXABI
)
set_target_properties(
libcxx libcxxabi PROPERTIES
COMPILE_FLAGS "-Wno-missing-prototypes -Wno-implicit-fallthrough"
# libc++ and libc++abi must be built in C++20 mode.
CXX_STANDARD 20
CXX_STANDARD_REQUIRED TRUE
)
# libc++abi depends on libc++ internal headers.
set_property(TARGET libcxx libcxxabi APPEND PROPERTY INCLUDE_DIRECTORIES "${CMAKE_SOURCE_DIR}/util/bot/libcxx/src")
target_link_libraries(libcxx libcxxabi)
install(TARGETS libcxx EXPORT OpenSSLTargets DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
# Add minimal googletest targets. The provided one has many side-effects, and
# googletest has a very straightforward build.
add_library(boringssl_gtest third_party/googletest/src/gtest-all.cc)
target_include_directories(boringssl_gtest PRIVATE third_party/googletest)
include_directories(third_party/googletest/include)
# Declare a dummy target to build all unit tests. Test targets should inject
# themselves as dependencies next to the target definition.
add_custom_target(all_tests)
# On Windows, CRYPTO_TEST_DATA is too long to fit in command-line limits.
# TODO(davidben): CMake 3.12 has a list(JOIN) command. Use that when we've
# updated the minimum version.
set(EMBED_TEST_DATA_ARGS "")
foreach(arg ${CRYPTO_TEST_DATA})
set(EMBED_TEST_DATA_ARGS "${EMBED_TEST_DATA_ARGS}${arg}\n")
endforeach()
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/embed_test_data_args.txt"
"${EMBED_TEST_DATA_ARGS}")
add_custom_command(
OUTPUT crypto_test_data.cc
COMMAND ${GO_EXECUTABLE} run util/embed_test_data.go -file-list
"${CMAKE_CURRENT_BINARY_DIR}/embed_test_data_args.txt" >
"${CMAKE_CURRENT_BINARY_DIR}/crypto_test_data.cc"
DEPENDS util/embed_test_data.go ${CRYPTO_TEST_DATA}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
add_library(crypto_test_data OBJECT crypto_test_data.cc)
add_subdirectory(crypto)
add_subdirectory(ssl)
add_subdirectory(ssl/test)
add_subdirectory(tool)
add_subdirectory(util/fipstools)
add_subdirectory(util/fipstools/acvp/modulewrapper)
add_subdirectory(decrepit)
if(FUZZ)
if(LIBFUZZER_FROM_DEPS)
file(GLOB LIBFUZZER_SOURCES "util/bot/libFuzzer/*.cpp")
add_library(Fuzzer STATIC ${LIBFUZZER_SOURCES})
# libFuzzer does not pass our aggressive warnings. It also must be built
# without -fsanitize-coverage options or clang crashes.
set_target_properties(Fuzzer PROPERTIES COMPILE_FLAGS "-Wno-shadow -Wno-format-nonliteral -Wno-missing-prototypes -fsanitize-coverage=0")
endif()
add_subdirectory(fuzz)
endif()
if(RUST_BINDINGS)
find_program(BINDGEN_EXECUTABLE bindgen)
if(NOT BINDGEN_EXECUTABLE)
message(FATAL_ERROR "Could not find bindgen but was asked to generate Rust bindings.")
else()
add_subdirectory(rust)
endif()
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(HANDSHAKER_ARGS "-handshaker-path" $<TARGET_FILE:handshaker>)
endif()
if(FIPS)
add_custom_target(
acvp_tests
COMMAND ${GO_EXECUTABLE} build -o ${CMAKE_BINARY_DIR}/acvptool
boringssl.googlesource.com/boringssl/util/fipstools/acvp/acvptool
COMMAND ${GO_EXECUTABLE} build -o ${CMAKE_BINARY_DIR}/testmodulewrapper
boringssl.googlesource.com/boringssl/util/fipstools/acvp/acvptool/testmodulewrapper
COMMAND cd util/fipstools/acvp/acvptool/test &&
${GO_EXECUTABLE} run check_expected.go
-tool ${CMAKE_BINARY_DIR}/acvptool
-module-wrappers modulewrapper:$<TARGET_FILE:modulewrapper>,testmodulewrapper:${CMAKE_BINARY_DIR}/testmodulewrapper
-tests tests.json
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
DEPENDS modulewrapper
USES_TERMINAL)
add_custom_target(
fips_specific_tests_if_any
DEPENDS acvp_tests
)
else()
add_custom_target(fips_specific_tests_if_any)
endif()
add_custom_target(
run_tests
COMMAND ${GO_EXECUTABLE} run util/all_tests.go -build-dir
${CMAKE_BINARY_DIR}
COMMAND cd ssl/test/runner &&
${GO_EXECUTABLE} test -shim-path $<TARGET_FILE:bssl_shim>
${HANDSHAKER_ARGS} ${RUNNER_ARGS}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
DEPENDS all_tests bssl_shim handshaker fips_specific_tests_if_any
USES_TERMINAL)
install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(EXPORT OpenSSLTargets
FILE OpenSSLTargets.cmake
NAMESPACE OpenSSL::
DESTINATION lib/cmake/OpenSSL
)
install(FILES OpenSSLConfig.cmake DESTINATION lib/cmake/OpenSSL)