# - Try to find libbfd
# Once done this will define
#
#  LIBBFD_FOUND - system has libbfd
#  LIBBFD_INCLUDE_DIRS - the libbfd include directory
#  LIBBFD_LIBRARIES - Link these to use libbfd
#  LIBBFD_DEFINITIONS - Compiler switches required for using libbfd
#
# Based on:
#
#  Copyright (c) 2008 Bernhard Walle <bernhard.walle@gmx.de>
#
#  Redistribution and use is allowed according to the terms of the New
#  BSD license.
#  For details see the accompanying COPYING-CMAKE-SCRIPTS file.

 if(LIBBFD_LIBRARIES AND LIBBFD_INCLUDE_DIRS)
   set(LIBBFD_FIND_QUIETLY TRUE)
 endif()
 
 execute_process(COMMAND "ld" "--version"
                 RESULT_VARIABLE RETURN_CODE
                 OUTPUT_VARIABLE LD_MESSAGE
                 OUTPUT_STRIP_TRAILING_WHITESPACE
                )
 string(REGEX REPLACE "GNU ld version ([^ ]+) .*" "\\1" BINUTILS_VERSION ${LD_MESSAGE} )
 message("-- Using system specific BFD library: " ${BINUTILS_VERSION})
  
 find_path(LIBBFD_INCLUDE_DIRS NAMES bfd.h
                                     dis-asm.h
                               PATHS /usr/include
                                     /usr/local/include
                                     /opt/local/include
                                     /opt/include
                                     ENV CPATH)
 
# Ugly, yes ugly...
 find_library(LIBBFD_BFD_LIBRARY NAMES bfd-${BINUTILS_VERSION} bfd
                                 PATHS /usr/lib
                                       /usr/lib64
                                       /usr/local/lib
                                       /usr/local/lib64
                                       /usr/include
                                       /opt/local/lib
                                       /opt/usr/lib64
                                       ENV LIBRARY_PATH
                                       ENV LD_LIBRARY_PATH)
 
#find_library (LIBBFD_IBERTY_LIBRARY NAMES iberty
#                                    PATHS /usr/lib
#                                          /usr/lib64
#                                          /usr/local/lib
#                                          /usr/local/lib64
#                                          /usr/include
#                                          /opt/local/lib
#                                          /opt/usr/lib64
#                                          ENV LIBRARY_PATH
#                                          ENV LD_LIBRARY_PATH)

#find_library (LIBBFD_OPCODES_LIBRARY NAMES opcodes
#                                     PATHS /usr/lib
#                                           /usr/lib64
#                                           /usr/local/lib
#                                           /usr/local/lib64
#                                           /usr/include
#                                           /opt/local/lib
#                                           /opt/usr/lib64
#                                           ENV LIBRARY_PATH
#                                           ENV LD_LIBRARY_PATH)

 include(FindPackageHandleStandardArgs)

 find_package_handle_standard_args(LIBBFD DEFAULT_MSG
                                   LIBBFD_BFD_LIBRARY
#                                  LIBBFD_IBERTY_LIBRARY
#                                  LIBBFD_OPCODES_LIBRARY
                                   LIBBFD_INCLUDE_DIRS)

 if(LIBBFD_FOUND)
   add_definitions(-DHAVE_LIBBFD)
 endif()

 set(LIBBFD_LIBRARIES "${LIBBFD_BFD_LIBRARY}")
 mark_as_advanced(LIBBFD_INCLUDE_DIRS LIBBFD_LIBRARIES LIBBFD_BFD_LIBRARY)