X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=fc96e6feb58344aefc74a1e2ada6438351aa8b70;hb=eb3c48e9b415e7a56dda6a160f31fe4994c43e13;hp=d3a45b48ff1ab2dbec5810d79be0bc566de22656;hpb=173a0c3d261a0694f4bc612991e7d9e8e9965337;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/configure.in b/ld/configure.in index d3a45b48ff..fc96e6feb5 100644 --- a/ld/configure.in +++ b/ld/configure.in @@ -1,126 +1,302 @@ -# 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(2.13) +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=\"$(TARGET_SYSTEM_ROOT)\"' + use_sysroot=yes + + if test "x$exec_prefix" = xNONE; then + if test "x$prefix" = xNONE; then + test_prefix=/usr/local + else + test_prefix=$prefix + fi + else + test_prefix=$exec_prefix + fi + case ${TARGET_SYSTEM_ROOT} in + "${test_prefix}"|"${test_prefix}/"*|\ + '${exec_prefix}'|'${exec_prefix}/'*) + t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" + TARGET_SYSTEM_ROOT_DEFINE="$t" + ;; + esac +], [ + use_sysroot=no + TARGET_SYSTEM_ROOT= + TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"' +]) +AC_SUBST(use_sysroot) +AC_SUBST(TARGET_SYSTEM_ROOT) +AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) + +dnl FIXME: The following is bfd/warning.m4 contents expanded +dnl When converting to current autotools, please replace with +dnl AM_BINUTILS_WARNINGS +WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" + +AC_ARG_ENABLE(werror, + [ --enable-werror treat compile warnings as errors], + [case "${enableval}" in + yes | y) ERROR_ON_WARNING="yes" ;; + no | n) ERROR_ON_WARNING="no" ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; + esac]) + +# Enable -Werror by default when using gcc +if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then + ERROR_ON_WARNING=yes +fi + +NO_WERROR= +if test "${ERROR_ON_WARNING}" = yes ; then + WARN_CFLAGS="$WARN_CFLAGS -Werror" + NO_WERROR="-Wno-error" +fi + +AC_ARG_ENABLE(build-warnings, +[ --enable-build-warnings Enable build-time compiler warnings], +[case "${enableval}" in + yes) ;; + no) WARN_CFLAGS="-w";; + ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` + WARN_CFLAGS="${WARN_CFLAGS} ${t}";; + *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` + WARN_CFLAGS="${t} ${WARN_CFLAGS}";; + *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;; +esac]) + +if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then + echo "Setting warning flags = $WARN_CFLAGS" 6>&1 fi -# per-target: - -case "${target}" in - - sparc-sun-sunos4*) my_target=sun4 - ;; - m68k-sun-sunos[34]*) my_target=sun3 - ;; - sparclite*-fujitsu-*) my_target=sun4 - ;; - sparc*-*-aout) my_target=sun4 - ;; -# start-sanitize-v9 - sparc64*) my_target=sun4 - ;; -# end-sanitize-v9 - i960-wrs-vxworks*) my_target=i960 - ;; - i960-intel-nindy) my_target=i960 - ;; - m68k-wrs-vxworks*) my_target=vxworks68 - ;; - m680[01234]0-wrs-vxworks*) my_target=vxworks68 - ;; - m683?2-wrs-vxworks*) my_target=vxworks68 - ;; - sparc*-wrs-vxworks*) my_target=sun4 - ;; - m68k-ericsson-ose) my_target=ose68 - ;; - m680[01234]0-ericsson-ose) my_target=ose68 - ;; - m683?2-ericsson-ose) my_target=ose68 - ;; - *-tandem-none) my_target=st2000 # FIXME needs better name - ;; - i[34]86-*-go32) my_target=go32 - ;; - i[34]86-*-aix*) my_target=i386-coff - ;; - i[34]86-*-sco*) my_target=i386-coff - ;; - i[34]86-*-coff) my_target=i386-coff - ;; - i[34]86-*-bsd) my_target=i386-bsd - ;; - i[34]86-*-aout) my_target=i386-aout - ;; - i[34]86-*-sysv*) my_target=i386-coff - ;; - m88k-*-*) my_target=m88k-bcs - ;; - a29k-*-udi) my_target=sa29200 - ;; - a29k-*-ebmon) my_target=ebmon29k - ;; - a29k-*-*) my_target=coff-a29k - ;; - h8300-*-hms) my_target=coff-h8300 - ;; - h8500-*-hms) my_target=coff-h8500 - ;; - sh-*-*) my_target=coff-sh - ;; - m68k-sony-*) my_target=news - ;; - m68k-hp-bsd*) my_target=hp300bsd - ;; - m68*-*-aout) my_target=m68k - ;; - m68*-*-coff) my_target=m68k-coff - ;; - m68*-*-hpux) my_target=hp300hpux - ;; - m68*-*-*) echo '***' "Unknown m68k target vendor for ld:" ${target_vendor} 1>&2 - exit 1 - ;; - hppa*-hp-osf) my_target=hppaosf - ;; - vax-dec-ultrix* | vax-dec-bsd*) my_target=vax - ;; - mips-dec-ultrix*) my_target=mips-lit - ;; - mips-sgi-irix*) my_target=mips-big - ;; - mips-idt-ecoffl*) my_target=mips-idtl - ;; - mips-idt-ecoff*) my_target=mips-idt - ;; - mips-dec-bsd*) my_target=mipsbsd - ;; - z8k-*sim) my_target=z8ksim - ;; - *-*-aout) my_target=${target_cpu}-${target_vendor} - ;; - *-*-coff) my_target=${target_cpu}-${target_vendor} - ;; +AC_SUBST(WARN_CFLAGS) +AC_SUBST(NO_WERROR) + +AM_CONFIG_HEADER(config.h:config.in) + +if test -z "$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 + +# host-specific stuff: + +AC_PROG_CC +AC_PROG_INSTALL + +ALL_LINGUAS="fr sv tr es da" +CY_GNU_GETTEXT + +AC_EXEEXT + +AC_PROG_YACC +AM_PROG_LEX + +AM_MAINTAINER_MODE + +. ${srcdir}/configure.host + +AC_SUBST(HDEFINES) +AC_SUBST(HOSTING_CRT0) +AC_SUBST(HOSTING_LIBS) +AC_SUBST(NATIVE_LIB_DIRS) + +AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h) +AC_CHECK_FUNCS(sbrk realpath glob) +AC_HEADER_DIRENT + +AC_MSG_CHECKING(for a known getopt prototype in unistd.h) +AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, +[AC_TRY_COMPILE([#include ], [extern int getopt (int, char *const*, const char *);], +ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) +AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) +if test $ld_cv_decl_getopt_unistd_h = yes; then + AC_DEFINE([HAVE_DECL_GETOPT], 1, + [Is the prototype for getopt in in the expected format?]) +fi + +BFD_BINARY_FOPEN + +BFD_NEED_DECLARATION(strstr) +BFD_NEED_DECLARATION(free) +BFD_NEED_DECLARATION(sbrk) +BFD_NEED_DECLARATION(getenv) +BFD_NEED_DECLARATION(environ) + +# When converting linker scripts into strings for use in emulation +# files, use astring.sed if the compiler supports ANSI string +# concatenation, or ostring.sed otherwise. This is to support the +# broken Microsoft MSVC compiler, which limits the length of string +# constants, while still supporting pre-ANSI compilers which do not +# support string concatenation. +AC_MSG_CHECKING([whether ANSI C string concatenation works]) +AC_CACHE_VAL(ld_cv_string_concatenation, +[AC_TRY_COMPILE(,[char *a = "a" "a";], + [ld_cv_string_concatenation=yes], + [ld_cv_string_concatenation=no])]) +AC_MSG_RESULT($ld_cv_string_concatenation) +if test "$ld_cv_string_concatenation" = "yes"; then + STRINGIFY=astring.sed +else + STRINGIFY=ostring.sed +fi +AC_SUBST(STRINGIFY) + +# target-specific stuff: + +all_targets= +EMUL= +all_emuls= +all_emul_extras= +all_libpath= + +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=`${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 $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 + + 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 + + for i in $targ_extra_ofiles; do + case " $all_emul_extras " in + *" ${i} "*) ;; + *) + all_emul_extras="$all_emul_extras ${i}" + ;; + esac + done + fi +done + +AC_SUBST(EMUL) + +TDIRS=tdirs +AC_SUBST_FILE(TDIRS) + +dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit +dnl target, and in those cases we should also build the 64 bit +dnl emulations. +if test x${all_targets} = xtrue; then + if test x${want64} = xtrue; then + EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' + else + EMULATION_OFILES='$(ALL_EMULATIONS)' + fi + 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 -target_makefile_frag=config/${my_target}.mt +case "$target_os" in + lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; +esac -if [ ! -r ${srcdir}/${target_makefile_frag} ]; then - echo '***' GNU LD does not support target ${target} 1>&2 - exit 1 +if test x${EXTRA_SHLIB_EXTENSION} != x ; then + AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", + [Additional extension a shared object might have.]) fi -mkdir ldscripts 2>/dev/null +AC_OUTPUT(Makefile po/Makefile.in:po/Make-in, +[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])