270 lines
6.6 KiB
Plaintext
270 lines
6.6 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script
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dnl
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AC_PREREQ(2.57)
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AC_INIT(ldmain.c)
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AC_CANONICAL_SYSTEM
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AC_ISC_POSIX
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changequote(,)dnl
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BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
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changequote([,])dnl
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AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
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AM_PROG_LIBTOOL
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AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval)
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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(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_ARG_WITH(sysroot,
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[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
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[
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case ${with_sysroot} in
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yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
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*) TARGET_SYSTEM_ROOT=$with_sysroot ;;
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esac
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TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
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use_sysroot=yes
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if test "x$exec_prefix" = xNONE; then
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if test "x$prefix" = xNONE; then
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test_prefix=/usr/local
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else
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test_prefix=$prefix
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fi
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else
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test_prefix=$exec_prefix
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fi
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case ${TARGET_SYSTEM_ROOT} in
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"${test_prefix}"|"${test_prefix}/"*|\
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'${exec_prefix}'|'${exec_prefix}/'*)
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t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
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TARGET_SYSTEM_ROOT_DEFINE="$t"
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;;
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esac
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], [
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use_sysroot=no
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TARGET_SYSTEM_ROOT=
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TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
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])
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AC_SUBST(use_sysroot)
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AC_SUBST(TARGET_SYSTEM_ROOT)
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AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
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AM_BINUTILS_WARNINGS
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AM_CONFIG_HEADER(config.h:config.in)
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if test -z "$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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# host-specific stuff:
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AC_PROG_CC
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AC_PROG_INSTALL
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ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga"
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ZW_GNU_GETTEXT_SISTER_DIR
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AM_PO_SUBDIRS
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AC_EXEEXT
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AC_PROG_YACC
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AM_PROG_LEX
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AM_MAINTAINER_MODE
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. ${srcdir}/configure.host
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AC_SUBST(HDEFINES)
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AC_SUBST(HOSTING_CRT0)
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AC_SUBST(HOSTING_LIBS)
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AC_SUBST(NATIVE_LIB_DIRS)
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AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h)
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AC_CHECK_FUNCS(sbrk realpath glob)
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AC_HEADER_DIRENT
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AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
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AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
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[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
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ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
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AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
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if test $ld_cv_decl_getopt_unistd_h = yes; then
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AC_DEFINE([HAVE_DECL_GETOPT], 1,
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[Is the prototype for getopt in <unistd.h> in the expected format?])
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fi
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BFD_BINARY_FOPEN
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AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
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# When converting linker scripts into strings for use in emulation
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# files, use astring.sed if the compiler supports ANSI string
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# concatenation, or ostring.sed otherwise. This is to support the
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# broken Microsoft MSVC compiler, which limits the length of string
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# constants, while still supporting pre-ANSI compilers which do not
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# support string concatenation.
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AC_MSG_CHECKING([whether ANSI C string concatenation works])
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AC_CACHE_VAL(ld_cv_string_concatenation,
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[AC_TRY_COMPILE(,[char *a = "a" "a";],
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[ld_cv_string_concatenation=yes],
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[ld_cv_string_concatenation=no])])
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AC_MSG_RESULT($ld_cv_string_concatenation)
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if test "$ld_cv_string_concatenation" = "yes"; then
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STRINGIFY=astring.sed
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else
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STRINGIFY=ostring.sed
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fi
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AC_SUBST(STRINGIFY)
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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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all_emul_extras=
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all_libpath=
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dnl We need to get an arbitrary number of tdir definitions into
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dnl Makefile. We can't do it using AC_SUBST, because autoconf does
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dnl not permit literal newlines in an AC_SUBST variables. So we use a
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dnl file.
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rm -f 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=`$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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if test x${want64} = xfalse; then
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. ${srcdir}/../bfd/config.bfd
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fi
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for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; 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=$targ_alias
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echo tdir_$i=$result >> tdirs
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;;
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esac
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done
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for i in $targ_emul $targ_extra_libpath; do
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case " $all_libpath " in
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*" ${i} "*) ;;
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*)
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if test -z "$all_libpath"; then
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all_libpath=${i}
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else
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all_libpath="$all_libpath ${i}"
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fi
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;;
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esac
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done
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for i in $targ_extra_ofiles; do
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case " $all_emul_extras " in
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*" ${i} "*) ;;
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*)
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all_emul_extras="$all_emul_extras ${i}"
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;;
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esac
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done
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fi
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done
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AC_SUBST(EMUL)
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TDIRS=tdirs
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AC_SUBST_FILE(TDIRS)
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if test x${all_targets} = xtrue; then
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if test x${want64} = xfalse; then
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AC_CHECK_SIZEOF(long)
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if test "x${ac_cv_sizeof_long}" = "x8"; then
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want64=true
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fi
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fi
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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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EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
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else
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EMULATION_OFILES=$all_emuls
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EMUL_EXTRA_OFILES=$all_emul_extras
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fi
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AC_SUBST(EMULATION_OFILES)
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AC_SUBST(EMUL_EXTRA_OFILES)
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AC_SUBST(LIB_PATH)
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EMULATION_LIBPATH=$all_libpath
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AC_SUBST(EMULATION_LIBPATH)
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if test x${enable_static} = xno; then
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TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
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else
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TESTBFDLIB="../bfd/.libs/libbfd.a"
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fi
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AC_SUBST(TESTBFDLIB)
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target_vendor=${target_vendor=$host_vendor}
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case "$target_vendor" in
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hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
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*) EXTRA_SHLIB_EXTENSION= ;;
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esac
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case "$target_os" in
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lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
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esac
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if test x${EXTRA_SHLIB_EXTENSION} != x ; then
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AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
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[Additional extension a shared object might have.])
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fi
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dnl Required by html and install-html
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AC_SUBST(datarootdir)
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AC_SUBST(docdir)
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AC_SUBST(htmldir)
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AC_OUTPUT(Makefile po/Makefile.in:po/Make-in)
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