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# Try to find the MPFR libraries
# MPFR_FOUND - system has MPFR lib
# MPFR_INCLUDE_DIR - the MPFR include directory
# MPFR_LIBRARIES_DIR - Directory where the MPFR libraries are located
# MPFR_LIBRARIES - the MPFR libraries
# MPFR_IN_CGAL_AUXILIARY - TRUE if the MPFR found is the one distributed with CGAL in the auxiliary folder
# TODO: support MacOSX
include(CGAL_FindPackageHandleStandardArgs)
include(CGAL_GeneratorSpecificSettings)
if(MPFR_INCLUDE_DIR)
set(MPFR_in_cache TRUE)
else()
set(MPFR_in_cache FALSE)
endif()
if( CGAL_AUTO_LINK_MPFR )
if(NOT MPFR_LIBRARIES_DIR)
set(MPFR_in_cache FALSE)
endif()
else()
if(NOT MPFR_LIBRARIES)
set(MPFR_in_cache FALSE)
endif()
endif()
# Is it already configured?
if (MPFR_in_cache)
set(MPFR_FOUND TRUE)
else()
find_path(MPFR_INCLUDE_DIR
NAMES mpfr.h
PATHS ENV MPFR_INC_DIR
${CMAKE_SOURCE_DIR}/auxiliary/gmp/include
DOC "The directory containing the MPFR header files"
)
if ( MPFR_INCLUDE_DIR STREQUAL "${CMAKE_SOURCE_DIR}/auxiliary/gmp/include" )
cache_set( MPFR_IN_CGAL_AUXILIARY TRUE )
endif()
if ( CGAL_AUTO_LINK_MPFR )
find_path(MPFR_LIBRARIES_DIR
NAMES "mpfr-${CGAL_TOOLSET}-mt.lib" "mpfr-${CGAL_TOOLSET}-mt-gd.lib"
PATHS ENV MPFR_LIB_DIR
${CMAKE_SOURCE_DIR}/auxiliary/gmp/lib
DOC "Directory containing the MPFR library"
)
else()
find_library(MPFR_LIBRARIES NAMES mpfr libmpfr-4 libmpfr-1
PATHS ENV MPFR_LIB_DIR
${CMAKE_SOURCE_DIR}/auxiliary/gmp/lib
DOC "Path to the MPFR library"
)
if ( MPFR_LIBRARIES )
get_filename_component(MPFR_LIBRARIES_DIR ${MPFR_LIBRARIES} PATH CACHE )
endif()
endif()
# Attempt to load a user-defined configuration for MPFR if couldn't be found
if ( NOT MPFR_INCLUDE_DIR OR NOT MPFR_LIBRARIES_DIR )
include( MPFRConfig OPTIONAL )
endif()
if(CGAL_AUTO_LINK_MPFR)
find_package_handle_standard_args(MPFR "DEFAULT_MSG" MPFR_LIBRARIES_DIR MPFR_INCLUDE_DIR)
else()
find_package_handle_standard_args(MPFR "DEFAULT_MSG" MPFR_LIBRARIES MPFR_INCLUDE_DIR)
endif()
endif()
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