configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_INIT(elf2flt.c)
   3
   4 AC_ARG_WITH(libbfd,
   5         [ --with-libbfd=<file>  path to libbfd.a library to use ],
   6         [ ac_libbfd=$withval ],
   7         [ ac_libbfd=NONE ]
   8 )
   9
  10 AC_ARG_WITH(libiberty,
  11         [ --with-libiberty=<file>  path to libiberty.a library to use ],
  12         [ ac_libiberty=$withval ],
  13         [ ac_libiberty=NONE ]
  14 )
  15
  16 AC_ARG_WITH(bfd-include-dir,
  17         [ --with-bfd-include-dir=<dir>  include path for correct bfd.h ],
  18         [ ac_bfd_include_dir=$withval ],
  19         [ ac_bfd_include_dir=NONE ]
  20 )
  21
  22 AC_ARG_WITH(binutils-include-dir,
  23         [ --with-binutils-include-dir=<dir>  include path for binutils headers ],
  24         [ ac_binutils_include_dir=$withval ],
  25         [ ac_binutils_include_dir=NONE ]
  26 )
  27
  28 AC_ARG_WITH(binutils-ldscript-dir,
  29         [ --with-binutils-ldscript-dir=<dir>  path to install elf2flt.ld ],
  30         [ ac_binutils_ldscript_dir=$withval ],
  31         [ ac_binutils_ldscript_dir=NONE ]
  32 )
  33
  34 AC_ARG_ENABLE(got-check,
  35         [ --disable-got-check - disable check for GOT (needed on H8) ],
  36         [ got_check=$enableval ],
  37         [ got_check=yes ]
  38 )
  39
  40 AC_ARG_ENABLE(emit_relocs,
  41         [ --disable-emit-relocs - don't use the --emit-relocs (-q) linker option ],
  42         [ emit_relocs=$enableval ],
  43         [ emit_relocs=yes ]
  44 )
  45
  46 AC_CANONICAL_HOST
  47 AC_CANONICAL_TARGET
  48
  49 dnl Checks for programs.
  50 AC_PROG_CC
  51 AC_PROG_INSTALL
  52
  53 dnl Checks for libraries.
  54 if test "$ac_libiberty" = "NONE"; then
  55   AC_CHECK_LIB(iberty, objalloc_create)
  56   ac_libiberty=auto
  57 else
  58   LIBS="$ac_libiberty $LIBS"
  59 fi
  60 if test "$ac_libbfd" = "NONE"; then
  61   AC_CHECK_LIB(bfd, bfd_openr)
  62   ac_libbfd=auto
  63 else
  64   LIBS="$ac_libbfd $LIBS"
  65 fi
  66
  67 bfd_include_dir=
  68 if test "$ac_bfd_include_dir" != "NONE"; then
  69   bfd_include_dir="-I$ac_bfd_include_dir"
  70 fi
  71
  72 binutils_include_dir=
  73 if test "$ac_binutils_include_dir" != "NONE"; then
  74   binutils_include_dir="-I$ac_binutils_include_dir"
  75 fi
  76
  77 binutils_ldscript_dir=
  78 if test "$ac_binutils_ldscript_dir" = "NONE"; then
  79   ac_binutils_ldscript_dir="\${TOOLDIR}/../${target_alias}/lib"
  80 fi
  81 binutils_ldscript_dir="$ac_binutils_ldscript_dir"
  82
  83 if test "$ac_libbfd" = "NONE" -o "$ac_libiberty" = "NONE" ; then
  84         echo
  85         echo "You need to specify the location of the libfd.a and libiberty.a"
  86         echo "host libraries from the binutils package."
  87         echo
  88         echo "Run configure again specifying these options:"
  89         echo
  90         echo "  ./configure --target=<ARCH> --with-bfd-include-dir=<dir> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>"
  91         echo
  92         exit 1
  93 fi
  94
  95 if test "$ac_bfd_include_dir" = "NONE" ; then
  96         echo
  97         echo "You need to specify the location of the bfd.h header from a"
  98         echo "configured/compiled version of the binutils package for your target."
  99         echo "Without this your elf2flt may crash as it will try to use the"
 100         echo "systems bfd.h which may be from a different binutils package."
 101         echo
 102         echo "Run configure again specifying these options:"
 103         echo
 104         echo "  ./configure --target=<ARCH> --with-bfd-include-dir=<dir> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>"
 105         echo
 106         exit 1
 107 fi
 108
 109 dnl Checks for header files.
 110 AC_HEADER_STDC
 111 AC_CHECK_HEADERS(fcntl.h unistd.h bfd.h)
 112
 113 dnl Checks for typedefs, structures, and compiler characteristics.
 114 AC_C_CONST
 115
 116 dnl Checks for library functions.
 117 AC_FUNC_VPRINTF
 118
 119 AC_CHECK_FUNCS(dcgettext)
 120
 121 dnl Subsitute values
 122 AC_SUBST(target)
 123 AC_SUBST(target_alias)
 124 AC_SUBST(target_cpu)
 125 AC_SUBST(target_os)
 126 AC_SUBST(target_vendor)
 127 AC_SUBST(bfd_include_dir)
 128 AC_SUBST(binutils_include_dir)
 129 AC_SUBST(binutils_ldscript_dir)
 130 AC_SUBST(got_check)
 131 AC_SUBST(emit_relocs)
 132
 133 AC_OUTPUT(Makefile ld-elf2flt)
 134