4a8d1f3519
in GCC, -Wmissing-prototypes is only in C and the C++ spelling is -Wmissing-declarations. https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gcc/Warning-Options.html#Warning-Options In clang, -Wmissing-prototypes is in both C/C++ and -Wmissing-declarations means you forgot to name a typedef or something? https://clang.llvm.org/docs/DiagnosticsReference.html#wmissing-prototypes https://clang.llvm.org/docs/DiagnosticsReference.html#wmissing-declarations Pass clang slightly different flags to account for this mess. Change-Id: I574ff7ecf32ba5908355639de83e8a102dab5f04 Reviewed-on: https://boringssl-review.googlesource.com/17784 Reviewed-by: Steven Valdez <svaldez@google.com>
333 lines
13 KiB
CMake
333 lines
13 KiB
CMake
cmake_minimum_required (VERSION 2.8.11)
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# Defer enabling C and CXX languages.
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project (BoringSSL NONE)
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if(WIN32)
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# On Windows, prefer cl over gcc if both are available. By default most of
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# the CMake generators prefer gcc, even on Windows.
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set(CMAKE_GENERATOR_CC cl)
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endif()
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include(sources.cmake)
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enable_language(C)
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enable_language(CXX)
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if(ANDROID)
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# Android-NDK CMake files reconfigure the path and so Go and Perl won't be
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# found. However, ninja will still find them in $PATH if we just name them.
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if(NOT PERL_EXECUTABLE)
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set(PERL_EXECUTABLE "perl")
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endif()
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if(NOT GO_EXECUTABLE)
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set(GO_EXECUTABLE "go")
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endif()
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else()
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find_package(Perl REQUIRED)
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find_program(GO_EXECUTABLE go)
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endif()
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if (NOT GO_EXECUTABLE)
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message(FATAL_ERROR "Could not find Go")
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(C_CXX_FLAGS "-Wall -Werror -Wformat=2 -Wsign-compare -Wmissing-field-initializers -Wwrite-strings -ggdb -fvisibility=hidden -fno-common")
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wnewline-eof")
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else()
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# GCC (at least 4.8.4) has a bug where it'll find unreachable free() calls
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# and declare that the code is trying to free a stack pointer.
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set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wno-free-nonheap-object")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_CXX_FLAGS} -Wmissing-prototypes -Wold-style-definition -Wstrict-prototypes")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 ${C_CXX_FLAGS} -Wmissing-declarations")
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# In GCC, -Wmissing-declarations is the C++ spelling of -Wmissing-prototypes
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# and using the wrong one is an error. In Clang, -Wmissing-prototypes is the
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# spelling for both and -Wmissing-declarations is some other warning.
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#
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# https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gcc/Warning-Options.html#Warning-Options
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# https://clang.llvm.org/docs/DiagnosticsReference.html#wmissing-prototypes
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# https://clang.llvm.org/docs/DiagnosticsReference.html#wmissing-declarations
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wmissing-prototypes")
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endif()
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elseif(MSVC)
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set(MSVC_DISABLED_WARNINGS_LIST
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"C4061" # enumerator 'identifier' in switch of enum 'enumeration' is not
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# explicitly handled by a case label
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# Disable this because it flags even when there is a default.
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"C4100" # 'exarg' : unreferenced formal parameter
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"C4127" # conditional expression is constant
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"C4200" # nonstandard extension used : zero-sized array in
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# struct/union.
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"C4204" # nonstandard extension used: non-constant aggregate initializer
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"C4221" # nonstandard extension used : 'identifier' : cannot be
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# initialized using address of automatic variable
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"C4242" # 'function' : conversion from 'int' to 'uint8_t',
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# possible loss of data
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"C4244" # 'function' : conversion from 'int' to 'uint8_t',
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# possible loss of data
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"C4245" # 'initializing' : conversion from 'long' to
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# 'unsigned long', signed/unsigned mismatch
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"C4267" # conversion from 'size_t' to 'int', possible loss of data
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"C4371" # layout of class may have changed from a previous version of the
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# compiler due to better packing of member '...'
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"C4388" # signed/unsigned mismatch
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"C4296" # '>=' : expression is always true
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"C4350" # behavior change: 'std::_Wrap_alloc...'
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"C4365" # '=' : conversion from 'size_t' to 'int',
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# signed/unsigned mismatch
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"C4389" # '!=' : signed/unsigned mismatch
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"C4464" # relative include path contains '..'
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"C4510" # 'argument' : default constructor could not be generated
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"C4512" # 'argument' : assignment operator could not be generated
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"C4514" # 'function': unreferenced inline function has been removed
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"C4548" # expression before comma has no effect; expected expression with
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# side-effect" caused by FD_* macros.
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"C4610" # struct 'argument' can never be instantiated - user defined
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# constructor required.
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"C4623" # default constructor was implicitly defined as deleted
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"C4625" # copy constructor could not be generated because a base class
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# copy constructor is inaccessible or deleted
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"C4626" # assignment operator could not be generated because a base class
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# assignment operator is inaccessible or deleted
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"C4668" # 'symbol' is not defined as a preprocessor macro, replacing with
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# '0' for 'directives'
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# Disable this because GTest uses it everywhere.
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"C4706" # assignment within conditional expression
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"C4710" # 'function': function not inlined
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"C4711" # function 'function' selected for inline expansion
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"C4800" # 'int' : forcing value to bool 'true' or 'false'
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# (performance warning)
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"C4820" # 'bytes' bytes padding added after construct 'member_name'
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"C5026" # move constructor was implicitly defined as deleted
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"C5027" # move assignment operator was implicitly defined as deleted
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)
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set(MSVC_LEVEL4_WARNINGS_LIST
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# See https://connect.microsoft.com/VisualStudio/feedback/details/1217660/warning-c4265-when-using-functional-header
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"C4265" # class has virtual functions, but destructor is not virtual
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)
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string(REPLACE "C" " -wd" MSVC_DISABLED_WARNINGS_STR
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${MSVC_DISABLED_WARNINGS_LIST})
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string(REPLACE "C" " -w4" MSVC_LEVEL4_WARNINGS_STR
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${MSVC_LEVEL4_WARNINGS_LIST})
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set(CMAKE_C_FLAGS "-Wall -WX ${MSVC_DISABLED_WARNINGS_STR} ${MSVC_LEVEL4_WARNINGS_STR}")
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set(CMAKE_CXX_FLAGS "-Wall -WX ${MSVC_DISABLED_WARNINGS_STR} ${MSVC_LEVEL4_WARNINGS_STR}")
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set(CMAKE_ASM_NASM_FLAGS "-g cv8")
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add_definitions(-D_HAS_EXCEPTIONS=0)
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add_definitions(-DWIN32_LEAN_AND_MEAN)
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add_definitions(-DNOMINMAX)
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# Allow use of fopen.
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add_definitions(-D_CRT_SECURE_NO_WARNINGS)
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# VS 2017 and higher supports STL-only warning suppressions.
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add_definitions("-D_STL_EXTRA_DISABLED_WARNINGS=4774 4987")
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endif()
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if((CMAKE_COMPILER_IS_GNUCXX AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.7.99") OR
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CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wshadow")
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX)
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if ((CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.8.99") OR
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CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11")
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else()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
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endif()
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endif()
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# pthread_rwlock_t requires a feature flag.
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if(NOT WIN32)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=700")
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endif()
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if(FUZZ)
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if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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message(FATAL_ERROR "You need to build with Clang for fuzzing to work")
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endif()
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add_definitions(-DBORINGSSL_UNSAFE_DETERMINISTIC_MODE)
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set(RUNNER_ARGS "-deterministic")
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if(NOT NO_FUZZER_MODE)
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add_definitions(-DBORINGSSL_UNSAFE_FUZZER_MODE)
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set(RUNNER_ARGS ${RUNNER_ARGS} "-fuzzer" "-shim-config" "fuzzer_mode.json")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize-coverage=edge,indirect-calls,trace-pc-guard")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize-coverage=edge,indirect-calls,trace-pc-guard")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address")
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link_directories(.)
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endif()
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add_definitions(-DBORINGSSL_IMPLEMENTATION)
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if (BUILD_SHARED_LIBS)
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add_definitions(-DBORINGSSL_SHARED_LIBRARY)
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# Enable position-independent code globally. This is needed because
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# some library targets are OBJECT libraries.
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set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
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endif()
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if (MSAN)
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if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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message(FATAL_ERROR "Cannot enable MSAN unless using Clang")
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endif()
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if (ASAN)
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message(FATAL_ERROR "ASAN and MSAN are mutually exclusive")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
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set(OPENSSL_NO_ASM "1")
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endif()
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if (ASAN)
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if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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message(FATAL_ERROR "Cannot enable ASAN unless using Clang")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope -fno-omit-frame-pointer")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope -fno-omit-frame-pointer")
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set(OPENSSL_NO_ASM "1")
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endif()
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if (GCOV)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
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endif()
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if(FIPS)
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add_definitions(-DBORINGSSL_FIPS)
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if(FIPS_BREAK_TEST)
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add_definitions("-DBORINGSSL_FIPS_BREAK_${FIPS_BREAK_TEST}=1")
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endif()
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# Delocate does not work for ASan and MSan builds.
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if(NOT ASAN AND NOT MSAN)
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set(FIPS_DELOCATE "1")
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endif()
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endif()
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# CMake's iOS support uses Apple's multiple-architecture toolchain. It takes an
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# architecture list from CMAKE_OSX_ARCHITECTURES, leaves CMAKE_SYSTEM_PROCESSOR
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# alone, and expects all architecture-specific logic to be conditioned within
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# the source files rather than the build. This does not work for our assembly
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# files, so we fix CMAKE_SYSTEM_PROCESSOR and only support single-architecture
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# builds.
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if (NOT OPENSSL_NO_ASM AND CMAKE_OSX_ARCHITECTURES)
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list(LENGTH CMAKE_OSX_ARCHITECTURES NUM_ARCHES)
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if (NOT ${NUM_ARCHES} EQUAL 1)
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message(FATAL_ERROR "Universal binaries not supported.")
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endif()
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list(GET CMAKE_OSX_ARCHITECTURES 0 CMAKE_SYSTEM_PROCESSOR)
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endif()
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if (OPENSSL_NO_ASM)
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add_definitions(-DOPENSSL_NO_ASM)
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set(ARCH "generic")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
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set(ARCH "x86_64")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
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set(ARCH "x86_64")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64")
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# cmake reports AMD64 on Windows, but we might be building for 32-bit.
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if (CMAKE_CL_64)
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set(ARCH "x86_64")
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else()
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set(ARCH "x86")
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endif()
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86")
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set(ARCH "x86")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i386")
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set(ARCH "x86")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i686")
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set(ARCH "x86")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
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set(ARCH "aarch64")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "arm64")
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set(ARCH "aarch64")
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elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "^arm*")
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set(ARCH "arm")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "mips")
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# Just to avoid the “unknown processor” error.
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set(ARCH "generic")
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elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "ppc64le")
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set(ARCH "ppc64le")
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else()
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message(FATAL_ERROR "Unknown processor:" ${CMAKE_SYSTEM_PROCESSOR})
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endif()
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if (ANDROID AND ${ARCH} STREQUAL "arm")
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# The Android-NDK CMake files somehow fail to set the -march flag for
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# assembly files. Without this flag, the compiler believes that it's
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# building for ARMv5.
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -march=${CMAKE_SYSTEM_PROCESSOR}")
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endif()
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if (${ARCH} STREQUAL "x86" AND APPLE)
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# With CMake 2.8.x, ${CMAKE_SYSTEM_PROCESSOR} evalutes to i386 on OS X,
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# but clang defaults to 64-bit builds on OS X unless otherwise told.
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# Set ARCH to x86_64 so clang and CMake agree. This is fixed in CMake 3.
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set(ARCH "x86_64")
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endif()
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# Add minimal googletest targets. The provided one has many side-effects, and
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# googletest has a very straightforward build.
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add_library(gtest third_party/googletest/src/gtest-all.cc)
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target_include_directories(gtest PRIVATE third_party/googletest)
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include_directories(third_party/googletest/include)
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# Declare a dummy target to build all unit tests. Test targets should inject
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# themselves as dependencies next to the target definition.
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add_custom_target(all_tests)
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add_custom_command(
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OUTPUT crypto_test_data.cc
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COMMAND ${GO_EXECUTABLE} run util/embed_test_data.go ${CRYPTO_TEST_DATA} >
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${CMAKE_CURRENT_BINARY_DIR}/crypto_test_data.cc
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DEPENDS util/embed_test_data.go ${CRYPTO_TEST_DATA}
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
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add_library(crypto_test_data OBJECT crypto_test_data.cc)
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add_subdirectory(crypto)
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add_subdirectory(ssl)
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add_subdirectory(ssl/test)
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add_subdirectory(fipstools)
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add_subdirectory(tool)
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add_subdirectory(decrepit)
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if(FUZZ)
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if(LIBFUZZER_FROM_DEPS)
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file(GLOB LIBFUZZER_SOURCES "util/bot/libFuzzer/*.cpp")
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add_library(Fuzzer STATIC ${LIBFUZZER_SOURCES})
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# libFuzzer does not pass our aggressive warnings. It also must be built
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# without -fsanitize-coverage options or clang crashes.
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set_target_properties(Fuzzer PROPERTIES COMPILE_FLAGS "-Wno-shadow -Wno-format-nonliteral -fsanitize-coverage=0")
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endif()
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add_subdirectory(fuzz)
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endif()
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if (NOT ${CMAKE_VERSION} VERSION_LESS "3.2")
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# USES_TERMINAL is only available in CMake 3.2 or later.
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set(MAYBE_USES_TERMINAL USES_TERMINAL)
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endif()
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add_custom_target(
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run_tests
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COMMAND ${GO_EXECUTABLE} run util/all_tests.go -build-dir
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${CMAKE_BINARY_DIR}
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COMMAND cd ssl/test/runner &&
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${GO_EXECUTABLE} test -shim-path $<TARGET_FILE:bssl_shim>
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${RUNNER_ARGS}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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DEPENDS all_tests bssl_shim
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${MAYBE_USES_TERMINAL})
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