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### Try to find MPFR
# Once done this will define
# MPFR_FOUND - System has MPFR
# MPFR_INCLUDE_DIRS - The MPFR include directories
# MPFR_LIBRARIES - The libraries needed to use MPFR
find_path(MPFR_INCLUDE NAMES mpfr.h
PATHS $ENV{GMPDIR} $ENV{MPFRDIR} ${INCLUDE_INSTALL_DIR})
find_library(MPFR_LIBRARY mpfr
PATHS $ENV{GMPDIR} $ENV{MPFRDIR} ${LIB_INSTALL_DIR})
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set MPFR_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(MPFR
FOUND_VAR MPFR_FOUND
REQUIRED_VARS MPFR_LIBRARY MPFR_INCLUDE
FAIL_MESSAGE "Could NOT find MPFR, use MPFR_ROOT to hint its location"
)
mark_as_advanced(MPFR_INCLUDE MPFR_LIBRARY)
set(MPFR_INCLUDES ${MPFR_INCLUDE})
set(MPFR_LIBRARIES ${MPFR_LIBRARY})
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