configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_INIT(elf2flt.c)
   3
   4 AC_ARG_WITH(zlib-prefix,
   5         [ --with-zlib-prefix=<dir>  path to installed zlib ],
   6         [ ac_zlib_prefix=$withval ],
   7         [ ac_zlib_prefix=NONE ]
   8 )
   9
  10 AC_ARG_WITH(libbfd,
  11         [ --with-libbfd=<file>  path to libbfd.a library to use ],
  12         [ ac_libbfd=$withval ],
  13         [ ac_libbfd=NONE ]
  14 )
  15
  16 AC_ARG_WITH(libiberty,
  17         [ --with-libiberty=<file>  path to libiberty.a library to use ],
  18         [ ac_libiberty=$withval ],
  19         [ ac_libiberty=NONE ]
  20 )
  21
  22 AC_ARG_WITH(bfd-include-dir,
  23         [ --with-bfd-include-dir=<dir>  include path for correct bfd.h ],
  24         [ ac_bfd_include_dir=$withval ],
  25         [ ac_bfd_include_dir=NONE ]
  26 )
  27
  28 AC_ARG_WITH(binutils-include-dir,
  29         [ --with-binutils-include-dir=<dir>  include path for binutils headers ],
  30         [ ac_binutils_include_dir=$withval ],
  31         [ ac_binutils_include_dir=NONE ]
  32 )
  33
  34 AC_ARG_WITH(binutils-ldscript-dir,
  35         [ --with-binutils-ldscript-dir=<dir>  path to install elf2flt.ld ],
  36         [ ac_binutils_ldscript_dir=$withval ],
  37         [ ac_binutils_ldscript_dir=NONE ]
  38 )
  39
  40 AC_ARG_WITH(binutils-build-dir,
  41         [ --with-binutils-build-dir=<dir>  path to compiled binutils tree ],
  42         [ ac_binutils_build_dir=$withval ],
  43         [ ac_binutils_build_dir=NONE ]
  44 )
  45
  46 AC_ARG_ENABLE(got-check,
  47         [ --disable-got-check - disable check for GOT (needed on H8) ],
  48         [ got_check=$enableval ],
  49         [ got_check=yes ]
  50 )
  51
  52 AC_ARG_ENABLE(emit_relocs,
  53         [ --disable-emit-relocs - don't use the --emit-relocs (-q) linker option ],
  54         [ emit_relocs=$enableval ],
  55         [ emit_relocs=yes ]
  56 )
  57
  58 AC_CANONICAL_HOST
  59 AC_CANONICAL_TARGET
  60
  61 dnl Checks for programs.
  62 AC_PROG_CC
  63 AC_PROG_INSTALL
  64
  65 if test "$ac_binutils_build_dir" != "NONE"; then
  66   test "$ac_libbfd"               = "NONE" && ac_libbfd="$ac_binutils_build_dir/bfd/libbfd.a"
  67   test "$ac_libiberty"            = "NONE" && ac_libiberty="$ac_binutils_build_dir/libiberty/libiberty.a"
  68   test "$ac_bfd_include_dir"      = "NONE" && ac_bfd_include_dir="$ac_binutils_build_dir/bfd"
  69   test "$ac_binutils_include_dir" = "NONE" && ac_binutils_include_dir="$ac_binutils_build_dir/include"
  70 fi
  71
  72 dnl Checks for libraries.
  73 if test "$ac_libiberty" = "NONE"; then
  74   AC_CHECK_LIB(iberty, objalloc_create)
  75   ac_libiberty=auto
  76 else
  77   LIBS="$ac_libiberty $LIBS"
  78 fi
  79 if test "$ac_libbfd" = "NONE"; then
  80   AC_CHECK_LIB(bfd, bfd_openr)
  81   ac_libbfd=auto
  82 else
  83   LIBS="$ac_libbfd $LIBS"
  84 fi
  85 if test "$ac_zlib_prefix" = "NONE"; then
  86   AC_CHECK_LIB(z, deflate)
  87 else
  88   LIBS="-L$ac_zlib_prefix/lib -lz $LIBS"
  89 fi
  90
  91 bfd_include_dir=
  92 if test "$ac_bfd_include_dir" != "NONE"; then
  93   bfd_include_dir="-I$ac_bfd_include_dir"
  94 fi
  95
  96 binutils_include_dir=
  97 if test "$ac_binutils_include_dir" != "NONE"; then
  98   binutils_include_dir="-I$ac_binutils_include_dir"
  99 fi
 100
 101 zlib_include_dir=
 102 if test "$ac_zlib_prefix" != "NONE"; then
 103   zlib_include_dir="-I$ac_zlib_prefix/include"
 104 fi
 105
 106 binutils_ldscript_dir=
 107 if test "$ac_binutils_ldscript_dir" = "NONE"; then
 108   ac_binutils_ldscript_dir="\${TOOLDIR}/../${target_alias}/lib"
 109 fi
 110 binutils_ldscript_dir="$ac_binutils_ldscript_dir"
 111
 112 if test "$ac_libbfd" = "NONE" -o "$ac_libiberty" = "NONE" ; then
 113         AC_MSG_ERROR([
 114
 115 You need to specify the location of the libfd.a and libiberty.a
 116 host libraries from the binutils package.
 117
 118 Run configure again specifying these options:
 119
 120   ./configure --target=<ARCH> --with-bfd-include-dir=<dir> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>
 121 ])
 122 fi
 123
 124 if test "$ac_bfd_include_dir" = "NONE" ; then
 125         AC_MSG_ERROR([
 126
 127 You need to specify the location of the bfd.h header from a
 128 configured/compiled version of the binutils package for your target.
 129 Without this your elf2flt may crash as it will try to use the
 130 systems bfd.h which may be from a different binutils package.
 131
 132 Run configure again specifying these options:
 133
 134   ./configure --target=<ARCH> --with-bfd-include-dir=<dir> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>
 135 ])
 136 fi
 137
 138 dnl Checks for header files.
 139 AC_HEADER_STDC
 140 AC_CHECK_HEADERS(fcntl.h unistd.h bfd.h)
 141
 142 dnl Checks for typedefs, structures, and compiler characteristics.
 143 AC_C_CONST
 144
 145 dnl Checks for library functions.
 146 AC_FUNC_VPRINTF
 147
 148 AC_CHECK_FUNCS(dcgettext libintl_dgettext)
 149
 150 dnl Subsitute values
 151 AC_SUBST(target)
 152 AC_SUBST(target_alias)
 153 AC_SUBST(target_cpu)
 154 AC_SUBST(target_os)
 155 AC_SUBST(target_vendor)
 156 AC_SUBST(bfd_include_dir)
 157 AC_SUBST(binutils_include_dir)
 158 AC_SUBST(zlib_include_dir)
 159 AC_SUBST(binutils_ldscript_dir)
 160 AC_SUBST(got_check)
 161 AC_SUBST(emit_relocs)
 162
 163 AC_OUTPUT(Makefile ld-elf2flt)
 164