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|
dnl Process this file with autoconf to produce a configure script
dnl
AC_PREREG(2.5)
AC_INIT(ldmain.c)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(ld, 2.8.2)
AM_PROG_LIBTOOL
AC_ARG_ENABLE(targets,
[ --enable-targets alternative target configurations],
[case "${enableval}" in
yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
;;
no) enable_targets= ;;
*) enable_targets=$enableval ;;
esac])dnl
AC_ARG_ENABLE(64-bit-bfd,
[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
[case "${enableval}" in
yes) want64=true ;;
no) want64=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
esac],[want64=false])dnl
AM_CONFIG_HEADER(config.h:config.in)
if test -z "$target" ; then
AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
fi
if test -z "$host" ; then
AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
fi
# host-specific stuff:
AC_PROG_CC
AM_PROG_INSTALL
AM_CYGWIN32
AM_EXEEXT
AC_PROG_YACC
AC_PROG_LEX
AC_DECL_YYTEXT
AM_MAINTAINER_MODE
. ${srcdir}/configure.host
AC_SUBST(HDEFINES)
AC_SUBST(HOSTING_CRT0)
AC_SUBST(HOSTING_LIBS)
AC_SUBST(NATIVE_LIB_DIRS)
AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
AC_CHECK_FUNCS(sbrk)
AC_HEADER_DIRENT
BFD_BINARY_FOPEN
BFD_NEED_DECLARATION(strstr)
BFD_NEED_DECLARATION(free)
BFD_NEED_DECLARATION(sbrk)
BFD_NEED_DECLARATION(getenv)
# target-specific stuff:
all_targets=
EMUL=
all_emuls=
TDIRS=
for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
do
if test "$targ_alias" = "all"; then
all_targets=true
else
# Canonicalize the secondary target names.
result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
if test -n "$result"; then
targ=$result
else
targ=$targ_alias
fi
. ${srcdir}/configure.tgt
if test "$targ" = "$target"; then
EMUL=$targ_emul
fi
for i in $targ_emul $targ_extra_emuls; do
case " $all_emuls " in
*" e${i}.o "*) ;;
*)
all_emuls="$all_emuls e${i}.o"
eval result=\$tdir_$i
test -z "$result" && result=$targ_alias
TDIRS="$TDIRS\\
tdir_$i=$result"
;;
esac
done
fi
done
AC_SUBST(EMUL)
AC_SUBST(TDIRS)
dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
dnl target, and in those cases we should also build the 64 bit
dnl emulations.
if test x${all_targets} = xtrue; then
if test x${want64} = xtrue; then
EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
else
EMULATION_OFILES='$(ALL_EMULATIONS)'
fi
else
EMULATION_OFILES=$all_emuls
fi
AC_SUBST(EMULATION_OFILES)
AC_OUTPUT(Makefile)
|
