include(ReadLines)
include(FindMatchingItem)

if ( MPFR_FOUND )

  readlines(${MPFR_INCLUDE_DIR}/mpfr.h MPFR_H_FILE)
  
  if ( MPFR_H_FILE )
  
    find_matching_item(MPFR_H_FILE "MPFR_VERSION_STRING" MPFR_VERSION_STRING_LINE )
    
    string( REPLACE " " ";" MPFR_VERSION_STRING_LINE_LIST ${MPFR_VERSION_STRING_LINE} )
    
    at( MPFR_VERSION_STRING_LINE_LIST 2 MPFR_VERSION_STR )
    
    string( REPLACE "\"" "" MPFR_VERSION ${MPFR_VERSION_STR} )
    
    
  else()
  
    message( STATUS "WARNING: MPFR found but could not open ${MPFR_INCLUDE_DIR}/mpfr.h" )

    set ( MPFR_VERSION "unknown" )
  
  endif()
  
  message( STATUS "USING MPFR_VERSION = '${MPFR_VERSION}'" )
  
endif()