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Diffstat (limited to 'externals/cryptopp/CMakeLists.txt')
| -rw-r--r-- | externals/cryptopp/CMakeLists.txt | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/externals/cryptopp/CMakeLists.txt b/externals/cryptopp/CMakeLists.txt new file mode 100644 index 000000000..bbac71bb9 --- /dev/null +++ b/externals/cryptopp/CMakeLists.txt @@ -0,0 +1,168 @@ +# The CMakeLists.txt shipped with cryptopp pollutes our option list and installation list, +# so we made our own one. This is basically a trimmed down version of the shipped CMakeLists.txt +# The differences are: +# - removed support for legacy CMake versions +# - removed support for 32-bit +# - removed rdrand module.asm as a workaround for an issue (see below) +# - added prefix "CRYPTOPP_" to all option names +# - disabled testing +# - disabled installation +# - disabled documentation +# - configured to build a static library only + +include(TestBigEndian) +include(CheckCXXCompilerFlag) + +#============================================================================ +# Settable options +#============================================================================ + +option(CRYPTOPP_DISABLE_ASM "Disable ASM" OFF) +option(CRYPTOPP_DISABLE_SSSE3 "Disable SSSE3" OFF) +option(CRYPTOPP_DISABLE_AESNI "Disable AES-NI" OFF) +option(CRYPTOPP_DISABLE_CXXFLAGS_OPTIMIZATIONS "Disable CXXFLAGS optimizations" OFF) + +#============================================================================ +# Internal compiler options +#============================================================================ + +# Only set when cross-compiling, http://www.vtk.org/Wiki/CMake_Cross_Compiling +if (NOT (CMAKE_SYSTEM_VERSION AND CMAKE_SYSTEM_PROCESSOR)) + set(CRYPTOPP_CROSS_COMPILE 1) +else() + set(CRYPTOPP_CROSS_COMPILE 0) +endif() + +# Don't use RPATH's. The resulting binary could fail a security audit. +if (NOT CMAKE_VERSION VERSION_LESS 2.8.12) + set(CMAKE_MACOSX_RPATH 0) +endif() + +if(CMAKE_CXX_COMPILER_ID MATCHES "Intel") + add_definitions(-wd68 -wd186 -wd279 -wd327 -wd161 -wd3180) +endif() + +# Endianness +TEST_BIG_ENDIAN(IS_BIG_ENDIAN) +if(IS_BIG_ENDIAN) + add_definitions(-DIS_BIG_ENDIAN) +endif() + +if(CRYPTOPP_DISABLE_ASM) + add_definitions(-DCRYPTOPP_DISABLE_ASM) +endif() +if(CRYPTOPP_DISABLE_SSSE3) + add_definitions(-DCRYPTOPP_DISABLE_SSSE3) +endif() +if(CRYPTOPP_DISABLE_AESNI) + add_definitions(-DCRYPTOPP_DISABLE_AESNI) +endif() + +# We need the output 'uname -s' for Unix and Linux system detection +if (NOT CRYPTOPP_CROSS_COMPILE) + set (UNAME_CMD "uname") + set (UNAME_ARG "-s") + execute_process(COMMAND ${UNAME_CMD} ${UNAME_ARG} + WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} + RESULT_VARIABLE UNAME_RESULT + OUTPUT_VARIABLE UNAME_SYSTEM) + string(REGEX REPLACE "\n$" "" UNAME_SYSTEM "${UNAME_SYSTEM}") +endif() + +# We need the output 'uname -m' for Unix and Linux platform detection +if (NOT CRYPTOPP_CROSS_COMPILE) + set (UNAME_CMD "uname") + set (UNAME_ARG "-m") + execute_process(COMMAND ${UNAME_CMD} ${UNAME_ARG} + WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} + RESULT_VARIABLE UNAME_RESULT + OUTPUT_VARIABLE UNAME_MACHINE) + string(REGEX REPLACE "\n$" "" UNAME_MACHINE "${UNAME_MACHINE}") +endif() + +if(WINDOWS_STORE OR WINDOWS_PHONE) + if("${CMAKE_SYSTEM_VERSION}" MATCHES "10\\.0.*") + SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D\"_WIN32_WINNT=0x0A00\"" ) + endif() + SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /FI\"winapifamily.h\"" ) +endif() + +# Enable PIC for all targets except Windows and 32-bit x86. +# Avoid on 32-bit x86 due to register pressures. +if ((NOT CRYPTOPP_CROSS_COMPILE) AND (NOT (WINDOWS OR WINDOWS_STORE OR WINDOWS_PHONE))) + # Use Regex; match i386, i486, i586 and i686 + if (NOT (${UNAME_MACHINE} MATCHES "i.86")) + SET(CMAKE_POSITION_INDEPENDENT_CODE 1) + endif() +endif() + +# -march=native for GCC, Clang and ICC in any version that does support it. +if ((NOT CRYPTOPP_DISABLE_CXXFLAGS_OPTIMIZATIONS) AND (NOT CRYPTOPP_CROSS_COMPILE) AND (CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU|Intel")) + CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_OPT_ARCH_NATIVE_SUPPORTED) + if (COMPILER_OPT_ARCH_NATIVE_SUPPORTED AND NOT CMAKE_CXX_FLAGS MATCHES "-march=") + SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native") + endif() +endif() + +# Link is driven through the compiler, but CXXFLAGS are not used. Also see +# http://public.kitware.com/pipermail/cmake/2003-June/003967.html +if (NOT (WINDOWS OR WINDOWS_STORE OR WINDOWS_PHONE)) + SET(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_FLAGS}") +endif() + +#============================================================================ +# Sources & headers +#============================================================================ + +# Library headers +file(GLOB cryptopp_HEADERS cryptopp/*.h) + +# Library sources. You can use the GNUmakefile to generate the list: `make sources`. +file(GLOB cryptopp_SOURCES cryptopp/*.cpp) +list(REMOVE_ITEM cryptopp_SOURCES + # These are removed in the original CMakeLists.txt + ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/pch.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/simple.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/winpipes.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/cryptlib_bds.cpp + ${cryptopp_SOURCES_TEST} + ) + +if(MINGW OR WIN32) + list(APPEND cryptopp_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/winpipes.cpp) +endif() + +if(MSVC AND NOT CRYPTOPP_DISABLE_ASM) + if(${CMAKE_GENERATOR} MATCHES ".*ARM") + message(STATUS "Disabling ASM because ARM is specified as target platform.") + else() + # Note that we removed rdrand.asm. This is a workaround for the issue that rdrand.asm cannnot compiled properly + # on MSVC. Because there is also a rdrand.S file in the submodule, CMake will specify the target path for + # rdrand.asm as "/crytopp.dir/{Debug|Release}/cryptopp/rdrand.asm.obj". The additional target folder "cryptopp" + # is specified because the file rdrand.asm is in the source folder "cryptopp". But MSVC assembler can't build + # target file to an non-existing folder("cryptopp"). + list(APPEND cryptopp_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/x64dll.asm) + list(APPEND cryptopp_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/x64masm.asm) + # list(APPEND cryptopp_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/rdrand.asm) + set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/x64dll.asm PROPERTIES COMPILE_FLAGS "/D_M_X64") + set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/x64masm.asm PROPERTIES COMPILE_FLAGS "/D_M_X64") + # set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/cryptopp/rdrand.asm PROPERTIES COMPILE_FLAGS "/D_M_X64") + enable_language(ASM_MASM) + endif() +endif() + +#============================================================================ +# Compile targets +#============================================================================ +add_library(cryptopp STATIC ${cryptopp_SOURCES}) + +#============================================================================ +# Third-party libraries +#============================================================================ + +if(WIN32) + target_link_libraries(cryptopp ws2_32) +endif() + +find_package(Threads) +target_link_libraries(cryptopp ${CMAKE_THREAD_LIBS_INIT}) |