ld/configure.in

   1 dnl Process this file with autoconf to produce a configure script
   2 dnl
   3 AC_PREREG(2.13)
   4 AC_INIT(ldmain.c)
   5
   6 AC_CANONICAL_SYSTEM
   7
   8 AM_INIT_AUTOMAKE(ld, 2.9.4)
   9
  10 AM_PROG_LIBTOOL
  11
  12 AC_ARG_ENABLE(targets,
  13 [  --enable-targets        alternative target configurations],
  14 [case "${enableval}" in
  15   yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
  16             ;;
  17   no)       enable_targets= ;;
  18   *)        enable_targets=$enableval ;;
  19 esac])dnl
  20 AC_ARG_ENABLE(64-bit-bfd,
  21 [  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
  22 [case "${enableval}" in
  23   yes)  want64=true  ;;
  24   no)   want64=false ;;
  25   *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
  26 esac],[want64=false])dnl
  27
  28 AM_CONFIG_HEADER(config.h:config.in)
  29
  30 if test -z "$target" ; then
  31     AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
  32 fi
  33 if test -z "$host" ; then
  34     AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
  35 fi
  36
  37 # host-specific stuff:
  38
  39 AC_PROG_CC
  40 AC_PROG_INSTALL
  41
  42 ALL_LINGUAS=
  43 CY_GNU_GETTEXT
  44
  45 AC_EXEEXT
  46
  47 AC_PROG_YACC
  48 AM_PROG_LEX
  49
  50 AM_MAINTAINER_MODE
  51
  52 . ${srcdir}/configure.host
  53
  54 AC_SUBST(HDEFINES)
  55 AC_SUBST(HOSTING_CRT0)
  56 AC_SUBST(HOSTING_LIBS)
  57 AC_SUBST(NATIVE_LIB_DIRS)
  58
  59 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
  60 AC_CHECK_FUNCS(sbrk)
  61 AC_HEADER_DIRENT
  62
  63 BFD_BINARY_FOPEN
  64
  65 BFD_NEED_DECLARATION(strstr)
  66 BFD_NEED_DECLARATION(free)
  67 BFD_NEED_DECLARATION(sbrk)
  68 BFD_NEED_DECLARATION(getenv)
  69 BFD_NEED_DECLARATION(environ)
  70
  71 # target-specific stuff:
  72
  73 all_targets=
  74 EMUL=
  75 all_emuls=
  76 all_emul_extras=
  77
  78 dnl We need to get an arbitrary number of tdir definitions into
  79 dnl Makefile.  We can't do it using AC_SUBST, because autoconf does
  80 dnl not permit literal newlines in an AC_SUBST variables.  So we use a
  81 dnl file.
  82 rm -f tdirs
  83
  84 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
  85 do
  86   if test "$targ_alias" = "all"; then
  87     all_targets=true
  88   else
  89     # Canonicalize the secondary target names.
  90     result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
  91     if test -n "$result"; then
  92         targ=$result
  93     else
  94         targ=$targ_alias
  95     fi
  96
  97     . ${srcdir}/configure.tgt
  98
  99     if test "$targ" = "$target"; then
 100       EMUL=$targ_emul
 101     fi
 102
 103     for i in $targ_emul $targ_extra_emuls; do
 104         case " $all_emuls " in
 105         *" e${i}.o "*) ;;
 106         *)
 107           all_emuls="$all_emuls e${i}.o"
 108           eval result=\$tdir_$i
 109           test -z "$result" && result=$targ_alias
 110           echo tdir_$i=$result >> tdirs
 111           ;;
 112         esac
 113     done
 114
 115     for i in $targ_extra_ofiles; do
 116         case " $all_emul_extras " in
 117         *" ${i} "*) ;;
 118         *)
 119           all_emul_extras="$all_emul_extras ${i}"
 120           ;;
 121         esac
 122     done
 123   fi
 124 done
 125
 126 AC_SUBST(EMUL)
 127
 128 TDIRS=tdirs
 129 AC_SUBST_FILE(TDIRS)
 130
 131 dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
 132 dnl target, and in those cases we should also build the 64 bit
 133 dnl emulations.
 134 if test x${all_targets} = xtrue; then
 135   if test x${want64} = xtrue; then
 136     EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
 137   else
 138     EMULATION_OFILES='$(ALL_EMULATIONS)'
 139   fi
 140   EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
 141 else
 142   EMULATION_OFILES=$all_emuls
 143   EMUL_EXTRA_OFILES=$all_emul_extras
 144 fi
 145 AC_SUBST(EMULATION_OFILES)
 146 AC_SUBST(EMUL_EXTRA_OFILES)
 147
 148 if test x${enable_static} = xno; then
 149   TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
 150 else
 151   TESTBFDLIB="../bfd/.libs/libbfd.a"
 152 fi
 153 AC_SUBST(TESTBFDLIB)
 154
 155 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
 156 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])