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# FindGMP.cmake can be found at https://code.google.com/p/origin/source/browse/trunk/cmake/FindGMP.cmake
# Copyright (c) 2008-2010 Kent State University
# Copyright (c) 2011-2012 Texas A&M University
#
# This file is distributed under the MIT License. See the accompanying file
# LICENSE.txt or http://www.opensource.org/licenses/mit-license.php for terms
# and conditions.
# Modified by David Korzeniewski to also find MPIR as an alternative.
# FIXME: How do I find the version of GMP that I want to use?
# What versions are available?
# NOTE: GMP prefix is understood to be the path to the root of the GMP
# installation library.
set(GMP_PREFIX "" CACHE PATH "The path to the prefix of a GMP installation")
find_path(GMP_INCLUDE_DIR gmp.h PATHS ${GMP_PREFIX}/include /usr/include /usr/local/include)
find_library(GMP_LIBRARY NAMES gmp PATHS ${GMP_PREFIX}/lib /usr/lib /usr/local/lib)
find_library(GMP_MPIR_LIBRARY NAMES mpir PATHS ${GMP_PREFIX}/lib /usr/lib /usr/local/lib)
find_library(GMP_MPIRXX_LIBRARY NAMES mpirxx PATHS ${GMP_PREFIX}/lib /usr/lib /usr/local/lib)
if(GMP_INCLUDE_DIR AND GMP_LIBRARY)
get_filename_component(GMP_LIBRARY_DIR ${GMP_LIBRARY} PATH)
set(GMP_FOUND TRUE)
endif()
if(GMP_INCLUDE_DIR AND GMP_MPIR_LIBRARY AND GMP_MPIRXX_LIBRARY)
get_filename_component(GMP_MPIR_LIBRARY_DIR ${GMP_MPIR_LIBRARY} PATH)
get_filename_component(GMP_MPIRXX_LIBRARY_DIR ${GMP_MPIRXX_LIBRARY} PATH)
set(MPIR_FOUND TRUE)
endif()
if(GMP_FOUND)
if(NOT GMP_FIND_QUIETLY)
MESSAGE(STATUS "Found GMP: ${GMP_LIBRARY}")
endif()
elseif(MPIR_FOUND)
if(NOT GMP_FIND_QUIETLY)
MESSAGE(STATUS "Found GMP alternative MPIR: ${GMP_MPIR_LIBRARY} and ${GMP_MPIRXX_LIBRARY}")
endif()
elseif(GMP_FOUND)
if(GMP_FIND_REQUIRED)
message(FATAL_ERROR "Could not find GMP")
endif()
endif()
MARK_AS_ADVANCED(GMP_MPIRXX_LIBRARY GMP_MPIR_LIBRARY GMP_INCLUDE_DIR GMP_LIBRARY)
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