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relpace to libtommath 1.3 source tree
without dirs: /doc /logs /mtest /demo /.github and files makefile.shared libtommath_VS2008.sln libtommath_VS2008.vcproj add from fb libtommath_VSVC15.sln libtommath_VSVC15.vcproj with correct lists of *.c *.h makefile.shared with correct lists of *.o
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‎extern/libtommath/CMakeLists.txt‎

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# SPDX-License-Identifier: Unlicense
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#
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# LibTomMath, a free open source portable number theoretic multiple-precision
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# integer (MPI) library written entirely in C.
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#
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cmake_minimum_required(VERSION 3.10)
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project(libtommath
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VERSION 1.3.0
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DESCRIPTION "A free open source portable number theoretic multiple-precision integer (MPI) library written entirely in C."
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HOMEPAGE_URL "https://www.libtom.net/LibTomMath"
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LANGUAGES C)
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# package release version
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# bump if re-releasing the same VERSION + patches
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# set to 1 if releasing a new VERSION
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set(PACKAGE_RELEASE_VERSION 1)
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#-----------------------------------------------------------------------------
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# Include cmake modules
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#-----------------------------------------------------------------------------
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include(GNUInstallDirs)
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include(CheckIPOSupported)
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include(CMakePackageConfigHelpers)
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# default is "No tests"
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option(BUILD_TESTING "" OFF)
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include(CTest)
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include(sources.cmake)
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#-----------------------------------------------------------------------------
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# Options
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#-----------------------------------------------------------------------------
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option(BUILD_SHARED_LIBS "Build shared library and only the shared library if \"ON\", default is static" OFF)
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#-----------------------------------------------------------------------------
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# Add support for ccache if desired
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#-----------------------------------------------------------------------------
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find_program(CCACHE ccache)
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if(CCACHE)
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option(ENABLE_CCACHE "Enable ccache." ON)
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endif()
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# use ccache if installed
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if(CCACHE AND ENABLE_CCACHE)
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set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE})
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endif()
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#-----------------------------------------------------------------------------
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# Compose CFLAGS
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#-----------------------------------------------------------------------------
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# Some information ported from makefile_include.mk
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to 'Release' as none was specified.")
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set(CMAKE_BUILD_TYPE "Release")
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endif()
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# We only differentiate between MSVC and GCC-compatible compilers
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if(MSVC)
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set(LTM_C_FLAGS -W3)
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elseif(WATCOM)
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set(LTM_C_FLAGS -fo=.obj -oaxt -3r -w3)
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else()
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set(LTM_C_FLAGS -Wall -Wsign-compare -Wextra -Wshadow
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-Wdeclaration-after-statement -Wbad-function-cast -Wcast-align
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-Wstrict-prototypes -Wpointer-arith -Wsystem-headers)
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set(CMAKE_C_FLAGS_DEBUG "-g3")
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set(CMAKE_C_FLAGS_RELEASE "-O3 -funroll-loops -fomit-frame-pointer")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "-g3 -O2")
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set(CMAKE_C_FLAGS_MINSIZEREL "-Os")
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endif()
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# What compiler do we have and what are their...uhm... peculiarities
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if(CMAKE_C_COMPILER_ID MATCHES "(C|c?)lang")
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list(APPEND LTM_C_FLAGS -Wno-typedef-redefinition -Wno-tautological-compare -Wno-builtin-requires-header)
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# Clang requires at least '-O1' for dead code elimination
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set(CMAKE_C_FLAGS_DEBUG "-O1 ${CMAKE_C_FLAGS_DEBUG}")
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endif()
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if(CMAKE_C_COMPILER MATCHES "mingw")
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list(APPEND LTM_C_FLAGS -Wno-shadow -Wno-expansion-to-defined -Wno-declaration-after-statement -Wno-bad-function-cast)
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
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list(APPEND LTM_C_FLAGS -Wno-nullability-completeness)
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "CYGWIN")
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list(APPEND LTM_C_FLAGS -no-undefined)
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endif()
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# TODO: coverage (lgcov)
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# If the user set the environment variables at generate-time, append them
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# in order to allow overriding our defaults.
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# ${LTM_CFLAGS} means the user passed it via sth like:
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# $ cmake -DLTM_CFLAGS="foo"
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list(APPEND LTM_C_FLAGS ${LTM_CFLAGS})
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list(APPEND LTM_LD_FLAGS ${LTM_LDFLAGS})
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#-----------------------------------------------------------------------------
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# library target
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#-----------------------------------------------------------------------------
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add_library(${PROJECT_NAME}
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${SOURCES}
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${HEADERS}
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)
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target_include_directories(${PROJECT_NAME} PUBLIC
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}>
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)
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target_compile_options(${PROJECT_NAME} BEFORE PRIVATE
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${LTM_C_FLAGS}
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)
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target_link_options(${PROJECT_NAME} BEFORE PRIVATE
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${LTM_LD_FLAGS}
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)
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set(PUBLIC_HEADERS tommath.h)
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set(C89 False CACHE BOOL "(Usually maintained automatically) Enable when the library is in c89 mode to package the correct header files on install")
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if(C89)
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list(APPEND PUBLIC_HEADERS tommath_c89.h)
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endif()
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set_target_properties(${PROJECT_NAME} PROPERTIES
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OUTPUT_NAME tommath
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VERSION ${PROJECT_VERSION}
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SOVERSION ${PROJECT_VERSION_MAJOR}
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PUBLIC_HEADER "${PUBLIC_HEADERS}"
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)
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option(COMPILE_LTO "Build with LTO enabled")
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if(COMPILE_LTO)
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check_ipo_supported(RESULT COMPILER_SUPPORTS_LTO)
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if(COMPILER_SUPPORTS_LTO)
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set_property(TARGET ${PROJECT_NAME} PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
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else()
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message(SEND_ERROR "This compiler does not support LTO. Reconfigure ${PROJECT_NAME} with -DCOMPILE_LTO=OFF.")
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endif()
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endif()
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#-----------------------------------------------------------------------------
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# demo target
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#-----------------------------------------------------------------------------
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if(BUILD_TESTING)
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enable_testing()
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add_subdirectory(demo)
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endif()
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#-----------------------------------------------------------------------------
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# Install/export targets and files
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#-----------------------------------------------------------------------------
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set(CONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
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set(PROJECT_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake")
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set(PROJECT_CONFIG_FILE "${PROJECT_NAME}-config.cmake")
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set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
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install(TARGETS ${PROJECT_NAME}
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EXPORT ${TARGETS_EXPORT_NAME}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
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)
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# Install libtommath.pc for pkg-config if we build a shared library
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if(BUILD_SHARED_LIBS)
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# Let the user override the default directory of the pkg-config file (usually this shouldn't be required to be changed)
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set(CMAKE_INSTALL_PKGCONFIGDIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig" CACHE PATH "Folder where to install .pc files")
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}.pc.in
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc
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@ONLY
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)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc
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DESTINATION ${CMAKE_INSTALL_PKGCONFIGDIR}
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)
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endif()
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# generate package version file
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write_basic_package_version_file(
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${PROJECT_VERSION_FILE}
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VERSION ${PROJECT_VERSION}
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COMPATIBILITY SameMajorVersion
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)
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# install version file
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install(FILES ${PROJECT_VERSION_FILE}
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DESTINATION ${CONFIG_INSTALL_DIR}
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)
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# build directory package config
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export(EXPORT ${TARGETS_EXPORT_NAME}
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FILE ${PROJECT_CONFIG_FILE}
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)
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# installed package config
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install(EXPORT ${TARGETS_EXPORT_NAME}
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DESTINATION ${CONFIG_INSTALL_DIR}
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FILE ${PROJECT_CONFIG_FILE}
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)
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# add to CMake registry
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export(PACKAGE ${PROJECT_NAME})
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#---------------------------------------------------------------------------------------
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# Create release packages
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#---------------------------------------------------------------------------------------
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# determine distribution and architecture
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find_program(LSB_RELEASE lsb_release)
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find_program(SYSCTL sysctl)
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find_program(UNAME uname)
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if(UNAME)
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execute_process(COMMAND uname -m OUTPUT_VARIABLE MACHINE_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
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elseif(SYSCTL)
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execute_process(COMMAND sysctl -b hw.machine_arch OUTPUT_VARIABLE MACHINE_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
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else()
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string(TOLOWER ${CMAKE_SYSTEM_NAME} MACHINE_ARCH)
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endif()
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if(LSB_RELEASE)
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execute_process(COMMAND lsb_release -si OUTPUT_VARIABLE LINUX_DISTRO OUTPUT_STRIP_TRAILING_WHITESPACE)
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execute_process(COMMAND lsb_release -sc OUTPUT_VARIABLE LINUX_DISTRO_CODENAME OUTPUT_STRIP_TRAILING_WHITESPACE)
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execute_process(COMMAND lsb_release -sr OUTPUT_VARIABLE LINUX_DISTRO_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
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string(TOLOWER ${LINUX_DISTRO} LINUX_DISTRO)
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if(LINUX_DISTRO_CODENAME STREQUAL "n/a")
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set(DISTRO_PACK_PATH ${LINUX_DISTRO}/${LINUX_DISTRO_VERSION}/)
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else()
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set(DISTRO_PACK_PATH ${LINUX_DISTRO}/${LINUX_DISTRO_CODENAME}/)
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endif()
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else()
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set(DISTRO_PACK_PATH ${CMAKE_SYSTEM_NAME}/)
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endif()
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# make sure untagged versions get a different package name
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execute_process(COMMAND git describe --exact-match --tags ERROR_QUIET RESULT_VARIABLE REPO_HAS_TAG)
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if(REPO_HAS_TAG EQUAL 0)
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set(PACKAGE_NAME_SUFFIX "")
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else()
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set(PACKAGE_NAME_SUFFIX "-git")
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message(STATUS "Use -git suffix")
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endif()
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# default CPack generators
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set(CPACK_GENERATOR TGZ STGZ)
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# extra CPack generators
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if(LINUX_DISTRO STREQUAL "debian" OR LINUX_DISTRO STREQUAL "ubuntu" OR LINUX_DISTRO STREQUAL "linuxmint")
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list(APPEND CPACK_GENERATOR DEB)
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elseif(LINUX_DISTRO STREQUAL "fedora" OR LINUX_DISTRO STREQUAL "opensuse" OR LINUX_DISTRO STREQUAL "centos")
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list(APPEND CPACK_GENERATOR RPM)
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elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
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list(APPEND CPACK_GENERATOR FREEBSD)
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endif()
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set(LTM_DEBIAN_SHARED_PACKAGE_NAME "${PROJECT_NAME}${PACKAGE_NAME_SUFFIX}${PROJECT_VERSION_MAJOR}")
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# general CPack config
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set(CPACK_PACKAGE_DIRECTORY ${CMAKE_BINARY_DIR}/packages/${DISTRO_PACK_PATH})
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message(STATUS "CPack: packages will be generated under ${CPACK_PACKAGE_DIRECTORY}")
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if(BUILD_SHARED_LIBS)
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set(CPACK_PACKAGE_NAME "${PROJECT_NAME}${PROJECT_VERSION_MAJOR}")
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set(CPACK_DEBIAN_PACKAGE_NAME "${LTM_DEBIAN_SHARED_PACKAGE_NAME}")
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else()
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set(CPACK_PACKAGE_NAME "${PROJECT_NAME}-devel")
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set(CPACK_DEBIAN_LIBRARIES_PACKAGE_NAME "${PROJECT_NAME}${PACKAGE_NAME_SUFFIX}-dev")
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endif()
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set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
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set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LibTomMath")
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set(CPACK_PACKAGE_VENDOR "libtom projects")
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set(CPACK_PACKAGE_CONTACT "libtom@googlegroups.com")
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set(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE")
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set(PACKAGE_NAME_TRAILER ${CPACK_PACKAGE_VERSION}-${PACKAGE_RELEASE_VERSION}_${MACHINE_ARCH})
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set(CPACK_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${PACKAGE_NAME_TRAILER})
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# deb specific CPack config
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set(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT)
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set(CPACK_DEBIAN_DEBUGINFO_PACKAGE ON)
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set(CPACK_DEBIAN_PACKAGE_RELEASE ${PACKAGE_RELEASE_VERSION})
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set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
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if(BUILD_SHARED_LIBS)
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set(CPACK_DEBIAN_PACKAGE_SECTION "libs")
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else()
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set(CPACK_DEBIAN_PACKAGE_SECTION "devel")
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set(CPACK_DEBIAN_PACKAGE_DEPENDS ${LTM_DEBIAN_SHARED_PACKAGE_NAME})
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set(CPACK_DEB_COMPONENT_INSTALL ON)
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set(CPACK_ARCHIVE_COMPONENT_INSTALL ON)
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set(CPACK_COMPONENTS_ALL Libraries)
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endif()
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# rpm specific CPack config
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set(CPACK_RPM_PACKAGE_RELEASE ${PACKAGE_RELEASE_VERSION})
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set(CPACK_RPM_PACKAGE_ARCHITECTURE ${MACHINE_ARCH})
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set(CPACK_RPM_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-${PROJECT_VERSION}")
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set(CPACK_RPM_PACKAGE_LICENSE "The Unlicense")
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# FreeBSD specific CPack config
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set(CPACK_FREEBSD_PACKAGE_MAINTAINER "gahr@FreeBSD.org")
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set(CPACK_FREEBSD_PACKAGE_ORIGIN "math/libtommath")
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set(CPACK_FREEBSD_PACKAGE_CATEGORIES "math")
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include(CPack)

‎extern/libtommath/LICENSE‎

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LibTomMath is hereby released into the Public Domain.
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The LibTom license
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3-
-- Tom St Denis
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This is free and unencumbered software released into the public domain.
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Anyone is free to copy, modify, publish, use, compile, sell, or
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distribute this software, either in source code form or as a compiled
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binary, for any purpose, commercial or non-commercial, and by any
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means.
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In jurisdictions that recognize copyright laws, the author or authors
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of this software dedicate any and all copyright interest in the
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software to the public domain. We make this dedication for the benefit
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of the public at large and to the detriment of our heirs and
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successors. We intend this dedication to be an overt act of
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relinquishment in perpetuity of all present and future rights to this
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software under copyright law.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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For more information, please refer to <http://unlicense.org/>

‎extern/libtommath/README.md‎

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# libtommath
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This is the git repository for [LibTomMath](http://www.libtom.net/LibTomMath/), a free open source portable number theoretic multiple-precision integer (MPI) library written entirely in C.
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## Build Status
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### Travis CI
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master: [![Build Status](https://api.travis-ci.org/libtom/libtommath.png?branch=master)](https://travis-ci.org/libtom/libtommath)
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develop: [![Build Status](https://api.travis-ci.org/libtom/libtommath.png?branch=develop)](https://travis-ci.org/libtom/libtommath)
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### AppVeyor
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master: [![Build status](https://ci.appveyor.com/api/projects/status/b80lpolw3i8m6hsh/branch/master?svg=true)](https://ci.appveyor.com/project/libtom/libtommath/branch/master)
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develop: [![Build status](https://ci.appveyor.com/api/projects/status/b80lpolw3i8m6hsh/branch/develop?svg=true)](https://ci.appveyor.com/project/libtom/libtommath/branch/develop)
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### ABI Laboratory
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API/ABI changes: [check here](https://abi-laboratory.pro/tracker/timeline/libtommath/)
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## Summary
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The `develop` branch contains the in-development version. Stable releases are tagged.
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Documentation is built from the LaTeX file `bn.tex`. There is also limited documentation in `tommath.h`.
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There is also a document, `tommath.pdf`, which describes the goals of the project and many of the algorithms used.
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The project can be build by using `make`. Along with the usual `make`, `make clean` and `make install`,
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there are several other build targets, see the makefile for details.
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There are also makefiles for certain specific platforms.
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## Testing
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Tests are located in `demo/` and can be built in two flavors.
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* `make test` creates a stand-alone test binary that executes several test routines.
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* `make mtest_opponent` creates a test binary that is intended to be run against `mtest`.
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`mtest` can be built with `make mtest` and test execution is done like `./mtest/mtest | ./mtest_opponent`.
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`mtest` is creating test vectors using an alternative MPI library and `test` is consuming these vectors to verify correct behavior of ltm
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## Building and Installing
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Building is straightforward for GNU Linux only, the section "Building LibTomMath" in the documentation in `doc/bn.pdf` has the details.

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