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# - Find GMP library
# Find the native GMP includes and library
# This module defines
# GMP_INCLUDE_DIRS, where to find gmp.h, Set when
# GMP_INCLUDE_DIR is found.
# GMP_LIBRARIES, libraries to link against to use GMP.
# GMP_ROOT_DIR, The base directory to search for GMP.
# This can also be an environment variable.
# GMP_FOUND, If false, do not try to use GMP.
#
# also defined, but not for general use are
# GMP_LIBRARY, where to find the GMP library.
#=============================================================================
# Copyright 2011 Blender Foundation.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# If GMP_ROOT_DIR was defined in the environment, use it.
IF(NOT GMP_ROOT_DIR AND NOT $ENV{GMP_ROOT_DIR} STREQUAL "")
SET(GMP_ROOT_DIR $ENV{GMP_ROOT_DIR})
ENDIF()
SET(_gmp_SEARCH_DIRS
${GMP_ROOT_DIR}
/opt/lib/gmp
)
FIND_PATH(GMP_INCLUDE_DIR
NAMES
gmp.h
HINTS
${_gmp_SEARCH_DIRS}
PATH_SUFFIXES
include/gmp
)
FIND_PATH(GMPXX_INCLUDE_DIR
NAMES
gmpxx.h
HINTS
${_gmp_SEARCH_DIRS}
PATH_SUFFIXES
include/gmp
)
FIND_LIBRARY(GMP_LIBRARY
NAMES
gmp
HINTS
${_gmp_SEARCH_DIRS}
PATH_SUFFIXES
lib64 lib
)
FIND_LIBRARY(GMPXX_LIBRARY
NAMES
gmpxx
HINTS
${_gmp_SEARCH_DIRS}
PATH_SUFFIXES
lib64 lib
)
if(GMP_INCLUDE_DIR)
SET(_version_regex "^#define[ \t]+__GNU_MP_VERSION[ \t]+\"([^\"]+)\".*")
file(STRINGS "${GMP_INCLUDE_DIR}/gmp.h"
GMP_VERSION REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1"
GMP_VERSION "${GMP_VERSION}")
unset(_version_regex)
endif()
# handle the QUIETLY and REQUIRED arguments and set GMP_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GMP DEFAULT_MSG
GMP_LIBRARY GMPXX_LIBRARY GMP_INCLUDE_DIR GMPXX_INCLUDE_DIR)
IF(GMP_FOUND)
SET(GMP_LIBRARIES ${GMP_LIBRARY} ${GMPXX_LIBRARY})
SET(GMP_INCLUDE_DIRS ${GMP_INCLUDE_DIR} ${GMPXX_INCLUDE_DIR})
ENDIF(GMP_FOUND)
MARK_AS_ADVANCED(
GMP_INCLUDE_DIR
GMP_LIBRARY
GMPXX_INCLUDE_DIR
GMPXX_LIBRARY
)
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