diff options
Diffstat (limited to 'contrib/binutils/ld/configure.in')
| -rw-r--r-- | contrib/binutils/ld/configure.in | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/contrib/binutils/ld/configure.in b/contrib/binutils/ld/configure.in new file mode 100644 index 0000000..3646e2f --- /dev/null +++ b/contrib/binutils/ld/configure.in @@ -0,0 +1,154 @@ +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 + +. ${srcdir}/configure.host + +AC_SUBST(HLDFLAGS) +AC_SUBST(HLDENV) +AC_SUBST(RPATH_ENVVAR) +AC_SUBST(HDEFINES) +AC_SUBST(HOSTING_CRT0) +AC_SUBST(HOSTING_LIBS) +AC_SUBST(NATIVE_LIB_DIRS) + +# For most hosts we can use a simple definition to pick up the BFD and +# opcodes libraries. However, if we are building shared libraries, we +# need to handle some hosts specially. +BFDLIB='-L../bfd -lbfd' +case "${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]) |
