1 cmake_minimum_required (VERSION 2.8.10) 2 3 project (BoringSSL) 4 5 if(ANDROID) 6 # Android-NDK CMake files reconfigure the path and so Go and Perl won't be 7 # found. However, ninja will still find them in $PATH if we just name them. 8 set(PERL_EXECUTABLE "perl") 9 set(GO_EXECUTABLE "go") 10 else() 11 find_package(Perl REQUIRED) 12 find_program(GO_EXECUTABLE go) 13 endif() 14 15 if (NOT GO_EXECUTABLE) 16 message(FATAL_ERROR "Could not find Go") 17 endif() 18 19 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang") 20 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -ggdb -fvisibility=hidden") 21 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -ggdb -std=c++0x -fvisibility=hidden") 22 elseif(MSVC) 23 set(MSVC_DISABLED_WARNINGS_LIST 24 "C4100" # 'exarg' : unreferenced formal parameter 25 "C4127" # conditional expression is constant 26 "C4200" # nonstandard extension used : zero-sized array in 27 # struct/union. 28 "C4210" # nonstandard extension used : function given file scope 29 "C4242" # 'function' : conversion from 'int' to 'uint8_t', 30 # possible loss of data 31 "C4244" # 'function' : conversion from 'int' to 'uint8_t', 32 # possible loss of data 33 "C4245" # 'initializing' : conversion from 'long' to 34 # 'unsigned long', signed/unsigned mismatch 35 "C4267" # conversion from 'size_t' to 'int', possible loss of data 36 "C4371" # layout of class may have changed from a previous version of the 37 # compiler due to better packing of member '...' 38 "C4388" # signed/unsigned mismatch 39 "C4296" # '>=' : expression is always true 40 "C4350" # behavior change: 'std::_Wrap_alloc...' 41 "C4365" # '=' : conversion from 'size_t' to 'int', 42 # signed/unsigned mismatch 43 "C4389" # '!=' : signed/unsigned mismatch 44 "C4510" # 'argument' : default constructor could not be generated 45 "C4512" # 'argument' : assignment operator could not be generated 46 "C4514" # 'function': unreferenced inline function has been removed 47 "C4548" # expression before comma has no effect; expected expression with 48 # side-effect" caused by FD_* macros. 49 "C4610" # struct 'argument' can never be instantiated - user defined 50 # constructor required. 51 "C4625" # copy constructor could not be generated because a base class 52 # copy constructor is inaccessible or deleted 53 "C4626" # assignment operator could not be generated because a base class 54 # assignment operator is inaccessible or deleted 55 "C4706" # assignment within conditional expression 56 "C4710" # 'function': function not inlined 57 "C4711" # function 'function' selected for inline expansion 58 "C4800" # 'int' : forcing value to bool 'true' or 'false' 59 # (performance warning) 60 "C4820" # 'bytes' bytes padding added after construct 'member_name' 61 "C4996" # 'read': The POSIX name for this item is deprecated. Instead, 62 # use the ISO C++ conformant name: _read. 63 ) 64 string(REPLACE "C" " -wd" MSVC_DISABLED_WARNINGS_STR 65 ${MSVC_DISABLED_WARNINGS_LIST}) 66 set(CMAKE_C_FLAGS "-Wall -WX ${MSVC_DISABLED_WARNINGS_STR}") 67 set(CMAKE_CXX_FLAGS "-Wall -WX ${MSVC_DISABLED_WARNINGS_STR}") 68 add_definitions(-D_HAS_EXCEPTIONS=0) 69 add_definitions(-DWIN32_LEAN_AND_MEAN) 70 add_definitions(-DNOMINMAX) 71 endif() 72 73 if((CMAKE_COMPILER_IS_GNUCXX AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.7.99") OR 74 CMAKE_CXX_COMPILER_ID MATCHES "Clang") 75 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow") 76 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wshadow") 77 endif() 78 79 if((CMAKE_COMPILER_IS_GNUCXX AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.8.99") OR 80 CMAKE_CXX_COMPILER_ID MATCHES "Clang") 81 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -D_XOPEN_SOURCE=700") 82 endif() 83 84 add_definitions(-DBORINGSSL_IMPLEMENTATION) 85 86 if (BUILD_SHARED_LIBS) 87 add_definitions(-DBORINGSSL_SHARED_LIBRARY) 88 # Enable position-independent code globally. This is needed because 89 # some library targets are OBJECT libraries. 90 set(CMAKE_POSITION_INDEPENDENT_CODE TRUE) 91 endif() 92 93 if (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64") 94 set(ARCH "x86_64") 95 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64") 96 set(ARCH "x86_64") 97 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64") 98 # cmake reports AMD64 on Windows, but we might be building for 32-bit. 99 if (CMAKE_CL_64) 100 set(ARCH "x86_64") 101 else() 102 set(ARCH "x86") 103 endif() 104 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86") 105 set(ARCH "x86") 106 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i386") 107 set(ARCH "x86") 108 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i686") 109 set(ARCH "x86") 110 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "arm") 111 set(ARCH "arm") 112 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "armv6") 113 set(ARCH "arm") 114 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "armv7-a") 115 set(ARCH "arm") 116 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64") 117 set(ARCH "aarch64") 118 else() 119 message(FATAL_ERROR "Unknown processor:" ${CMAKE_SYSTEM_PROCESSOR}) 120 endif() 121 122 if (ANDROID AND ${ARCH} STREQUAL "arm") 123 # The Android-NDK CMake files somehow fail to set the -march flag for 124 # assembly files. Without this flag, the compiler believes that it's 125 # building for ARMv5. 126 set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -march=${CMAKE_SYSTEM_PROCESSOR}") 127 endif() 128 129 if (${ARCH} STREQUAL "x86" AND APPLE) 130 # With CMake 2.8.x, ${CMAKE_SYSTEM_PROCESSOR} evalutes to i386 on OS X, 131 # but clang defaults to 64-bit builds on OS X unless otherwise told. 132 # Set ARCH to x86_64 so clang and CMake agree. This is fixed in CMake 3. 133 set(ARCH "x86_64") 134 endif() 135 136 if (OPENSSL_NO_ASM) 137 add_definitions(-DOPENSSL_NO_ASM) 138 set(ARCH "generic") 139 endif() 140 141 add_subdirectory(crypto) 142 add_subdirectory(ssl) 143 add_subdirectory(ssl/test) 144 add_subdirectory(tool) 145 add_subdirectory(decrepit) 146