X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=05c84675ee5751e9aeb5717bccd1d90ff684e72d;hb=0b3e17e93db61947b03f2aa945d0f26cf86f8cf8;hp=0dc6203dd0026392e56938ae1ea0ee145e3d87fa;hpb=97dc4cf85043f402f8c98788fdcd1100e17fd91b;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/configure.in b/ld/configure.in index 0dc6203dd0..05c84675ee 100644 --- a/ld/configure.in +++ b/ld/configure.in @@ -1,172 +1,278 @@ -# This file is a shell script fragment that supplies the information -# necessary to tailor a template configure script into the configure -# script appropriate for this directory. For more information, check -# any existing configure script. +dnl Process this file with autoconf to produce a configure script +dnl +AC_PREREQ(2.57) +AC_INIT(ldmain.c) -srctrigger=ldmain.c -srcname="linker" -target_dependent=true +AC_CANONICAL_SYSTEM +AC_ISC_POSIX -# per-host: +changequote(,)dnl +BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in` +changequote([,])dnl +AM_INIT_AUTOMAKE(ld, ${BFD_VERSION}) -. ${srcdir}/../bfd/configure.host +AM_PROG_LIBTOOL -host_makefile_frag= +AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval) +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(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 -if [ -f ${srcdir}/config/${my_host}.mh ] ; then - host_makefile_frag=config/${my_host}.mh +AC_ARG_WITH(sysroot, +[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.], +[ + case ${with_sysroot} in + yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;; + *) TARGET_SYSTEM_ROOT=$with_sysroot ;; + esac + + TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' + use_sysroot=yes + + if test "x$prefix" = xNONE; then + test_prefix=/usr/local + else + test_prefix=$prefix + fi + if test "x$exec_prefix" = xNONE; then + test_exec_prefix=$test_prefix + else + test_exec_prefix=$exec_prefix + fi + case ${TARGET_SYSTEM_ROOT} in + "${test_prefix}"|"${test_prefix}/"*|\ + "${test_exec_prefix}"|"${test_exec_prefix}/"*|\ + '${prefix}'|'${prefix}/'*|\ + '${exec_prefix}'|'${exec_prefix}/'*) + t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" + TARGET_SYSTEM_ROOT_DEFINE="$t" + ;; + esac +], [ + use_sysroot=no + TARGET_SYSTEM_ROOT= + TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"' +]) +AC_SUBST(use_sysroot) +AC_SUBST(TARGET_SYSTEM_ROOT) +AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) + +AM_BINUTILS_WARNINGS + +AM_CONFIG_HEADER(config.h:config.in) + +if test -z "$target" ; then + AC_MSG_ERROR(Unrecognized target system type; please check config.sub.) +fi +if test -z "$host" ; then + AC_MSG_ERROR(Unrecognized host system type; please check config.sub.) fi -# per-target: - -# Canonicalize the secondary target names. -if [ -n "$with_targets" ]; then - for targ in `echo $with_targets | sed 's/,/ /g'` - do - result=`$configsub $targ 2>/dev/null` - if [ -n "$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 +# host-specific stuff: + +AC_PROG_CC +AC_PROG_INSTALL + +ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi" +ZW_GNU_GETTEXT_SISTER_DIR +AM_PO_SUBDIRS + +AC_EXEEXT + +AC_PROG_YACC +AM_PROG_LEX + +AM_MAINTAINER_MODE +AM_CONDITIONAL(GENINSRC_NEVER, false) + +. ${srcdir}/configure.host + +AC_SUBST(HDEFINES) +AC_SUBST(HOSTING_CRT0) +AC_SUBST(HOSTING_LIBS) +AC_SUBST(NATIVE_LIB_DIRS) + +AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h) +AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid) +AC_HEADER_DIRENT + +AC_MSG_CHECKING(for a known getopt prototype in unistd.h) +AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, +[AC_TRY_COMPILE([#include ], [extern int getopt (int, char *const*, const char *);], +ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) +AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) +if test $ld_cv_decl_getopt_unistd_h = yes; then + AC_DEFINE([HAVE_DECL_GETOPT], 1, + [Is the prototype for getopt in in the expected format?]) fi + +BFD_BINARY_FOPEN -all_targets=false +AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ]) -for targ in $target $canon_targets -do +# When converting linker scripts into strings for use in emulation +# files, use astring.sed if the compiler supports ANSI string +# concatenation, or ostring.sed otherwise. This is to support the +# broken Microsoft MSVC compiler, which limits the length of string +# constants, while still supporting pre-ANSI compilers which do not +# support string concatenation. +AC_MSG_CHECKING([whether ANSI C string concatenation works]) +AC_CACHE_VAL(ld_cv_string_concatenation, +[AC_TRY_COMPILE(,[char *a = "a" "a";], + [ld_cv_string_concatenation=yes], + [ld_cv_string_concatenation=no])]) +AC_MSG_RESULT($ld_cv_string_concatenation) +if test "$ld_cv_string_concatenation" = "yes"; then + STRINGIFY=astring.sed +else + STRINGIFY=ostring.sed +fi +AC_SUBST(STRINGIFY) -case "${targ}" in - - sparc-sun-sunos4*) ld_target=sun4 ;; - sparclite*-*-coff) ld_target=coff-sparc ;; - sparclite*-fujitsu-*) ld_target=sun4 ;; - sparc*-*-aout) ld_target=sun4 ;; - sparc*-*-coff) ld_target=coff-sparc ;; - sparc*-*-elf) ld_target=sun4sol2 ;; - sparc*-*-lynxos*) ld_target=sparc-lynx ;; - sparc*-*-solaris2*) ld_target=sun4sol2 ;; - sparc*-wrs-vxworks*) ld_target=sun4 ;; - sparc*-*-netware) ld_target=sun4sol2 ;; - i960-wrs-vxworks5.0*) ld_target=i960 ;; - i960-wrs-vxworks5*) ld_target=i960coff ;; - i960-wrs-vxworks*) ld_target=i960 ;; - i960-intel-nindy) ld_target=i960 ;; - m68*-sun-sunos[34]*) ld_target=sun3 ;; - m68*-wrs-vxworks*) ld_target=vxworks68 ;; - m68*-ericsson-ose) ld_target=ose68 ;; - *-tandem-none) ld_target=st2000 ;; # FIXME needs better name - i[34]86-*-vsta) ld_target=vsta ;; - i[34]86-*-go32) ld_target=i386-go32 ;; - i[34]86-*-aix*) ld_target=i386-coff ;; - i[34]86-*-sco*) ld_target=i386-coff ;; - i[34]86-*-lynxos*) ld_target=i386-lynx ;; - i[34]86-*-coff) ld_target=i386-coff ;; - i[34]86-*-bsd) ld_target=i386-bsd ;; - i[34]86-*-bsd386) ld_target=i386-bsd ;; - i[34]86-*-aout) ld_target=i386-aout ;; - i[34]86-*-linux) ld_target=i386-linux ;; - i[34]86-*-sysv4*) ld_target=i386-elf ;; - i[34]86-*-unixware) ld_target=i386-elf ;; - i[34]86-*-netware) ld_target=i386-elf ;; - i[34]86-*-elf*) ld_target=i386-elf ;; - i[34]86-*-sysv*) ld_target=i386-coff ;; - i[34]86-*-mach*) ld_target=i386-mach ;; - i[34]86-*-gnu*) ld_target=i386-mach ;; - m8*-*-*) ld_target=m88k-bcs ;; - a29k-*-udi) ld_target=sa29200 ;; - a29k-*-ebmon) ld_target=ebmon29k ;; - a29k-*-*) ld_target=coff-a29k ;; - h8300-*-hms) ld_target=coff-h8300 ;; - h8300h-*-hms) ld_target=cf-h8300h ;; - h8500-*-hms) ld_target=coff-h8500 ;; - sh-*-*) ld_target=coff-sh ;; - m68k-sony-*) ld_target=news ;; - m68k-hp-bsd*) ld_target=hp300bsd ;; - m68k-motorola-sysv*) ld_target=delta68 ;; - m68*-*-aout) ld_target=m68k ;; - m68*-*-coff) ld_target=m68k-coff ;; - m68*-*-hpux) ld_target=hp300hpux ;; - m68*-*-lynxos*) ld_target=m68k-lynx ;; - m68*-*-*) - echo '***' "Unknown m68k target vendor for ld:" ${target_vendor} 1>&2 - exit 1 ;; - hppa*-*-*elf*) ld_target=hppaelf ;; - vax-dec-ultrix* | vax-dec-bsd*) ld_target=vax ;; - mips*-dec-ultrix*) ld_target=mips-lit ;; - mips*-sgi-irix5*) ld_target=mipsb-elf32 ;; - mips*-sgi-irix*) ld_target=mips-big ;; - mips*el-idt-ecoff*) ld_target=mipsl-idt ;; - mips*-idt-ecoff*) ld_target=mips-idt ;; - mips*-dec-bsd*) ld_target=mipsbsd ;; - mips*-*-elf*) ld_target=mipsb-elf32 ;; - alpha-*-osf*) ld_target=alpha ;; - alpha-*-netware*) ld_target=alpha ;; - z8k-*-sim | z8k-*-coff) ld_target=z8ksim ;; - powerpc-*-elf*) ld_target=ppc-elf32 ;; -# start-sanitize-powerpc-netware - powerpc-*-netware*) ld_target=ppc-elf32 ;; -# end-sanitize-powerpc-netware - *-*-aout) ld_target=${target_cpu}-${target_vendor} ;; - *-*-coff) ld_target=${target_cpu}-${target_vendor} ;; - *-*-netware) ld_target=${target_cpu}-elf ;; - - all) ld_target=all ;; -esac +# target-specific stuff: + +all_targets= +EMUL= +all_emuls= +all_emul_extras= +all_libpath= - if [ "x$ld_target" = "xall" ]; then - all_targets=true +dnl We need to get an arbitrary number of tdir definitions into +dnl Makefile. We can't do it using AC_SUBST, because autoconf does +dnl not permit literal newlines in an AC_SUBST variables. So we use a +dnl file. +rm -f 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 - if [ ! -f ${srcdir}/config/${ld_target}.mt ] ; then - echo '***' No file ${srcdir}/config/${ld_target}.mt 1>&2 - echo '***' GNU LD does not support target ${ld_target} 1>&2 - echo '***' Look in ld/configure.in for supported targets 1>&2 - exit 1 - fi - - if [ "x$targ" = "x$target" ]; then - target_makefile_frag=${srcdir}/config/${ld_target}.mt - else - target_extra_frags="$target_extra_frags ${srcdir}/config/${ld_target}.mt" - fi + targ=$targ_alias fi -done -# We don't do any links based on the target system, just makefile config. + . ${srcdir}/configure.tgt -# post-target: + if test "$targ" = "$target"; then + EMUL=$targ_emul + fi -rm -f Makefile.tmp Makefile.2 -mv Makefile Makefile.tmp + if test x${want64} = xfalse; then + . ${srcdir}/../bfd/config.bfd + fi -if [ x${all_targets} = xfalse ]; then + if test x${want64} = xtrue; then + targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls" + targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath" + fi - allfrags="$target_makefile_frag $target_extra_frags" + for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do + case " $all_emuls " in + *" e${i}.o "*) ;; + *) + all_emuls="$all_emuls e${i}.o" + eval result=\$tdir_$i + test -z "$result" && result=$targ_alias + echo tdir_$i=$result >> tdirs + ;; + esac + done - # The emulations in all the configured targets. - tb=`sed -n ' - s/EMUL[ ]*=[ ]*\([^ ]*\)/em_\1.o/p - ' $allfrags` - # uniq the list. - f="" - for i in $tb ; do - case " $f " in - *" $i "*) ;; - *) f="$f $i" ;; + for i in $targ_emul $targ_extra_libpath; do + case " $all_libpath " in + *" ${i} "*) ;; + *) + if test -z "$all_libpath"; then + all_libpath=${i} + else + all_libpath="$all_libpath ${i}" + fi + ;; esac done - tb="$f" - echo "EMULATION_OFILES = $tb" >> Makefile.2 + for i in $targ_extra_ofiles; do + case " $all_emul_extras " in + *" ${i} "*) ;; + *) + all_emul_extras="$all_emul_extras ${i}" + ;; + esac + done + fi +done + +AC_SUBST(EMUL) + +TDIRS=tdirs +AC_SUBST_FILE(TDIRS) -else # all_targets is true - echo 'EMULATION_OFILES = $(ALL_EMULATIONS)' >> Makefile.2 -fi # all_targets is true +if test x${all_targets} = xtrue; then + if test x${want64} = xfalse; then + AC_CHECK_SIZEOF(long) + if test "x${ac_cv_sizeof_long}" = "x8"; then + want64=true + fi + fi + if test x${want64} = xtrue; then + EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' + else + EMULATION_OFILES='$(ALL_EMULATIONS)' + fi + EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' +else + EMULATION_OFILES=$all_emuls + EMUL_EXTRA_OFILES=$all_emul_extras +fi +AC_SUBST(EMULATION_OFILES) +AC_SUBST(EMUL_EXTRA_OFILES) +AC_SUBST(LIB_PATH) + +EMULATION_LIBPATH=$all_libpath +AC_SUBST(EMULATION_LIBPATH) + +if test x${enable_static} = xno; then + TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" +else + TESTBFDLIB="../bfd/.libs/libbfd.a" +fi +AC_SUBST(TESTBFDLIB) + +target_vendor=${target_vendor=$host_vendor} +case "$target_vendor" in + hp) EXTRA_SHLIB_EXTENSION=".sl" ;; + *) EXTRA_SHLIB_EXTENSION= ;; +esac + +case "$target_os" in + lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; +esac + +if test x${EXTRA_SHLIB_EXTENSION} != x ; then + AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", + [Additional extension a shared object might have.]) +fi -cat Makefile.tmp >> Makefile.2 -rm -f Makefile.tmp -mv Makefile.2 Makefile +dnl Required by html and install-html +AC_SUBST(datarootdir) +AC_SUBST(docdir) +AC_SUBST(htmldir) -mkdir ldscripts 2>/dev/null +AC_OUTPUT(Makefile po/Makefile.in:po/Make-in)