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dnl Process this file with autoconf to produce a configure script
dnl
AC_PREREG(2.0)
AC_INIT(ldmain.c)
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_CONFIG_HEADER(config.h:config.in)
AC_CONFIG_AUX_DIR(`cd $srcdir/..; pwd`)
AC_CANONICAL_SYSTEM
if test -z "$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
AC_ARG_PROGRAM
# host-specific stuff:
. ${srcdir}/configure.host
AC_PROG_CC
AC_SUBST(CFLAGS)
AC_SUBST(HDEFINES)
AC_SUBST(HOSTING_CRT0)
AC_SUBST(HOSTING_LIBS)
AC_SUBST(NATIVE_LIB_DIRS)
AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
AC_CHECK_FUNCS(sbrk)
BFD_BINARY_FOPEN
# target-specific stuff:
# Canonicalize the secondary target names.
if test -n "$enable_targets"; then
for targ in `echo $enable_targets | sed 's/,/ /g'`
do
result=`$ac_config_sub $targ 2>/dev/null`
if test -n "$result"; then
canon_targets="$canon_targets $result"
else
# Allow targets that config.sub doesn't recognize, like "all".
canon_targets="$canon_targets $targ"
fi
done
fi
all_targets=false
EMUL=
all_emuls=
for targ in $target $canon_targets
do
if test "x$targ" = "xall"; then
all_targets=true
else
. ${srcdir}/configure.tgt
if test "x$targ" = "x$target"; then
EMUL=${targ_emul}
fi
all_emuls="${all_emuls} ${targ_emul} ${targ_extra_emuls}"
fi
done
AC_SUBST(EMUL)
if test x${all_targets} = xfalse; then
# uniq the list.
f=""
for i in $all_emuls ; do
case " $f " in
*" e$i.o "*) ;;
*) f="$f e$i.o" ;;
esac
done
EMULATION_OFILES="$f"
else # all_targets is true
EMULATION_OFILES='$(ALL_EMULATIONS)'
fi # all_targets is true
AC_SUBST(EMULATION_OFILES)
AC_OUTPUT(Makefile,
[case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac])
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