mirror of https://github.com/GOSTSec/poolserver
11 changed files with 200 additions and 71 deletions
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# Try to find the GMP librairies |
# .. cmake_module:: |
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# GMP_FOUND - system has GMP lib |
# |
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# GMP_INCLUDE_DIR - the GMP include directory |
# Find the GNU MULTI-Precision Bignum (GMP) library |
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# GMP_LIBRARIES - Libraries needed to use GMP |
# and the corresponding C++ bindings GMPxx |
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# Copyright (c) 2006, Laurent Montel, <montel@kde.org> |
# |
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# You may set the following variables to modify the |
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# behaviour of this module: |
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# |
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# :ref:`GMP_ROOT` |
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# Path list to search for GMP and GMPxx |
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# |
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# Sets the following variables: |
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# |
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# :code:`GMP_FOUND` |
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# True if the GMP library, the GMPxx headers and |
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# the GMPxx library were found. |
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# |
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# .. cmake_variable:: GMP_ROOT |
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# |
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# You may set this variable to have :ref:`FindGMP` look |
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# for the gmp and gmpxx packages in the given path before |
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# inspecting system paths. |
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# |
# |
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# Redistribution and use is allowed according to the terms of the BSD license. |
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file. |
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if (GMP_INCLUDE_DIR AND GMP_LIBRARIES) |
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# Already in cache, be silent |
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set(GMP_FIND_QUIETLY TRUE) |
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endif (GMP_INCLUDE_DIR AND GMP_LIBRARIES) |
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find_path(GMP_INCLUDE_DIR NAMES gmp.h ) |
# search for location of header gmpxx.h", only at positions given by the user |
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find_library(GMP_LIBRARIES NAMES gmp libgmp ) |
find_path(GMPXX_INCLUDE_DIR |
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find_library(GMPXX_LIBRARIES NAMES gmpxx libgmpxx ) |
NAMES "gmpxx.h" |
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MESSAGE(STATUS "GMP libs: " ${GMP_LIBRARIES} " " ${GMPXX_LIBRARIES} ) |
PATHS ${GMP_PREFIX} ${GMP_ROOT} |
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PATH_SUFFIXES include |
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NO_DEFAULT_PATH) |
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# try default paths now |
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find_path(GMPXX_INCLUDE_DIR |
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NAMES "gmpxx.h") |
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# check if header is accepted |
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include(CMakePushCheckState) |
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cmake_push_check_state() |
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set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${GMPXX_INCLUDE_DIR}) |
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include(CheckIncludeFileCXX) |
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check_include_file_cxx("gmpxx.h" GMP_HEADER_WORKS) |
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# look for library gmp, only at positions given by the user |
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find_library(GMP_LIB |
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NAMES gmp libgmp |
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PATHS ${GMP_PREFIX} ${GMP_ROOT} "/usr/lib/x86_64-linux-gnu" |
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PATH_SUFFIXES lib lib64 |
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NO_DEFAULT_PATH |
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DOC "GNU GMP library") |
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# try default paths now |
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find_library(GMP_LIB |
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NAMES libgmp gmp) |
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# look for library gmpxx, only at positions given by the user |
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find_library(GMPXX_LIB |
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NAMES gmpxx libgmpxx |
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PATHS ${GMP_PREFIX} ${GMP_ROOT} "/usr/lib/x86_64-linux-gnu" |
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PATH_SUFFIXES lib lib64 |
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NO_DEFAULT_PATH |
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DOC "GNU GMPXX library") |
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# try default paths now |
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find_library(GMPXX_LIB |
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NAMES libgmpxx gmpxx) |
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# check if library works |
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if(GMP_LIB AND GMPXX_LIB) |
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include(CheckSymbolExists) |
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check_library_exists(${GMP_LIB} __gmpz_abs "" GMPXX_LIB_WORKS) |
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endif(GMP_LIB AND GMPXX_LIB) |
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cmake_pop_check_state() |
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# behave like a CMake module is supposed to behave |
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include(FindPackageHandleStandardArgs) |
include(FindPackageHandleStandardArgs) |
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(GMP DEFAULT_MSG GMP_INCLUDE_DIR GMP_LIBRARIES) |
find_package_handle_standard_args( |
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"GMP" |
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DEFAULT_MSG |
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GMPXX_INCLUDE_DIR GMP_LIB GMPXX_LIB GMP_HEADER_WORKS GMPXX_LIB_WORKS |
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) |
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mark_as_advanced(GMP_LIB GMPXX_LIB GMPXX_INCLUDE_DIR) |
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# if GMPxx headers, GMP library, and GMPxx library are found, store results |
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if(GMP_FOUND) |
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set(GMP_INCLUDE_DIRS ${GMPXX_INCLUDE_DIR}) |
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set(GMP_LIBRARIES ${GMP_LIB} ${GMPXX_LIB}) |
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set(GMP_COMPILE_FLAGS "-DENABLE_GMP=1") |
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# log result |
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log |
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"Determining location of GMP, GMPxx succeeded:\n" |
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"Include directory: ${GMP_INCLUDE_DIRS}\n" |
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"Library directory: ${GMP_LIBRARIES}\n\n") |
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else() |
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# log errornous result |
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log |
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"Determining location of GMP, GMPxx failed:\n" |
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"Include directory: ${GMPXX_INCLUDE_DIR}\n" |
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"gmp library directory: ${GMP_LIB}\n" |
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"gmpxx library directory: ${GMPXX_LIB}\n\n") |
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endif() |
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mark_as_advanced(GMP_INCLUDE_DIR GMP_LIBRARIES) |
# set HAVE_GMP for config.h |
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set(HAVE_GMP ${GMP_FOUND}) |
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