155 lines
3.9 KiB
Plaintext
155 lines
3.9 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script
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dnl
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AC_PREREG(2.5)
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AC_INIT(ldmain.c)
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AC_ARG_ENABLE(targets,
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[ --enable-targets alternative target configurations],
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[case "${enableval}" in
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yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
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;;
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no) enable_targets= ;;
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*) enable_targets=$enableval ;;
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esac])dnl
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AC_ARG_ENABLE(shared,
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[ --enable-shared build shared BFD library],
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[case "${enableval}" in
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yes) shared=true ;;
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no) shared=false ;;
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*bfd*) shared=true ;;
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*) shared=false ;;
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esac])dnl
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AC_ARG_ENABLE(64-bit-bfd,
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[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
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[case "${enableval}" in
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yes) want64=true ;;
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no) want64=false ;;
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*) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
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esac],[want64=false])dnl
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AC_CONFIG_HEADER(config.h:config.in)
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AC_CONFIG_AUX_DIR(`cd $srcdir/..; pwd`)
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AC_CANONICAL_SYSTEM
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if test -z "$target" ; then
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AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
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fi
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if test -z "$host" ; then
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AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
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fi
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AC_ARG_PROGRAM
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# host-specific stuff:
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AC_PROG_CC
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AC_PROG_INSTALL
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. ${srcdir}/configure.host
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AC_SUBST(HLDFLAGS)
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AC_SUBST(HLDENV)
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AC_SUBST(RPATH_ENVVAR)
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AC_SUBST(HDEFINES)
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AC_SUBST(HOSTING_CRT0)
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AC_SUBST(HOSTING_LIBS)
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AC_SUBST(NATIVE_LIB_DIRS)
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# For most hosts we can use a simple definition to pick up the BFD and
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# opcodes libraries. However, if we are building shared libraries, we
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# need to handle some hosts specially.
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BFDLIB='-L../bfd -lbfd'
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case "${host}" in
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*-*-sunos*)
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# On SunOS, we must link against the name we are going to install,
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# not -lbfd, since SunOS does not support SONAME.
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if test "${shared}" = "true"; then
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BFDLIB='-L../bfd -l`echo bfd | sed '"'"'$(program_transform_name)'"'"'`'
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fi
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;;
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alpha*-*-osf*)
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# On Alpha OSF/1, the native linker searches all the -L
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# directories for any LIB.so files, and only then searches for any
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# LIB.a files. That means that if there is an installed
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# libbfd.so, but this build is not done with --enable-shared, the
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# link will wind up being against the install libbfd.so rather
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# than the newly built libbfd. To avoid this, we must explicitly
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# link against libbfd.a when --enable-shared is not used.
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if test "${shared}" != "true"; then
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BFDLIB='../bfd/libbfd.a'
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fi
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;;
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esac
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AC_SUBST(BFDLIB)
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AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
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AC_CHECK_FUNCS(sbrk)
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AC_HEADER_DIRENT
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BFD_BINARY_FOPEN
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BFD_NEED_DECLARATION(strstr)
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BFD_NEED_DECLARATION(free)
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BFD_NEED_DECLARATION(sbrk)
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BFD_NEED_DECLARATION(getenv)
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# target-specific stuff:
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all_targets=
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EMUL=
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all_emuls=
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TDIRS=
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for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
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do
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if test "$targ_alias" = "all"; then
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all_targets=true
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else
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# Canonicalize the secondary target names.
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result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
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if test -n "$result"; then
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targ=$result
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else
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targ=$targ_alias
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fi
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. ${srcdir}/configure.tgt
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if test "$targ" = "$target"; then
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EMUL=$targ_emul
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fi
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for i in $targ_emul $targ_extra_emuls; do
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case " $all_emuls " in
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*" e${i}.o "*) ;;
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*)
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all_emuls="$all_emuls e${i}.o"
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eval result=\$tdir_$i
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test -z "$result" && result=$targ_alias
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TDIRS="$TDIRS\\
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tdir_$i=$result"
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;;
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esac
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done
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fi
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done
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AC_SUBST(EMUL)
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AC_SUBST(TDIRS)
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dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
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dnl target, and in those cases we should also build the 64 bit
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dnl emulations.
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if test x${all_targets} = xtrue; then
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if test x${want64} = xtrue; then
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EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
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else
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EMULATION_OFILES='$(ALL_EMULATIONS)'
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fi
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else
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EMULATION_OFILES=$all_emuls
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fi
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AC_SUBST(EMULATION_OFILES)
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AC_OUTPUT(Makefile,
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[case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac])
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