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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_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(shared,
[ --enable-shared build shared BFD library],
[case "${enableval}" in
yes) shared=true ;;
no) shared=false ;;
*bfd*) shared=true ;;
*) shared=false ;;
esac])dnl
AC_ARG_ENABLE(64-bit-bfd,
[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
[case "${enableval}" in
yes) want64=true ;;
no) want64=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
esac],[want64=false])dnl
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:
AC_PROG_CC
AC_PROG_INSTALL
CY_CYGWIN32
CY_EXEEXT
. ${srcdir}/configure.host
AC_SUBST(HLDFLAGS)
AC_SUBST(HLDENV)
AC_SUBST(RPATH_ENVVAR)
AC_SUBST(HDEFINES)
AC_SUBST(HOSTING_CRT0)
AC_SUBST(HOSTING_LIBS)
AC_SUBST(NATIVE_LIB_DIRS)
# For most hosts we can use a simple definition to pick up the BFD and
# opcodes libraries. However, if we are building shared libraries, we
# need to handle some hosts specially.
BFDLIB='-L../bfd -lbfd'
case "${host}" in
*-*-sunos*)
# On SunOS, we must link against the name we are going to install,
# not -lbfd, since SunOS does not support SONAME.
if test "${shared}" = "true"; then
BFDLIB='-L../bfd -l`echo bfd | sed '"'"'$(program_transform_name)'"'"'`'
fi
;;
alpha*-*-osf*)
# On Alpha OSF/1, the native linker searches all the -L
# directories for any LIB.so files, and only then searches for any
# LIB.a files. That means that if there is an installed
# libbfd.so, but this build is not done with --enable-shared, the
# link will wind up being against the install libbfd.so rather
# than the newly built libbfd. To avoid this, we must explicitly
# link against libbfd.a when --enable-shared is not used.
if test "${shared}" != "true"; then
BFDLIB='../bfd/libbfd.a'
fi
;;
esac
AC_SUBST(BFDLIB)
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=$all_emuls
fi
AC_SUBST(EMULATION_OFILES)
AC_OUTPUT(Makefile,
[case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac])
|
