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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_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
-
- . ${srcdir}/configure.host
-
- AC_SUBST(HLDFLAGS)
- AC_SUBST(RPATH_ENVVAR)
- AC_SUBST(HDEFINES)
- AC_SUBST(HOSTING_CRT0)
- AC_SUBST(HOSTING_LIBS)
- AC_SUBST(NATIVE_LIB_DIRS)
-
- # For most hosts we can use a simple definition to pick up the BFD and
- # opcodes libraries. However, if we are building shared libraries, we
- # need to handle some hosts specially.
- BFDLIB='-L../bfd -lbfd'
- case "${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(free)
-
- # 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=`$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)
-
- if test x${all_targets} = xtrue; then
- EMULATION_OFILES='$(ALL_EMULATIONS)'
- 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])
-