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         AC_MSG_ERROR([
  85
  86 You need to specify the location of the libfd.a and libiberty.a
  87 host libraries from the binutils package.
  88
  89 Run configure again specifying these options:
  90
  91   ./configure --target=<ARCH> --with-bfd-include-dir=<dir> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>
  92 ])
  93 fi
  94
  95 if test "$ac_bfd_include_dir" = "NONE" ; then
  96         AC_MSG_ERROR([
  97
  98 You need to specify the location of the bfd.h header from a
  99 configured/compiled version of the binutils package for your target.
 100 Without this your elf2flt may crash as it will try to use the
 101 systems bfd.h which may be from a different binutils package.
 102
 103 Run configure again specifying these options:
 104
 105   ./configure --target=<ARCH> --with-bfd-include-dir=<dir> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>
 106 ])
 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 libintl_dgettext)
 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