binutils/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl
   3 dnl   Copyright (C) 2012-2014 Free Software Foundation, Inc.
   4 dnl
   5 dnl This file is free software; you can redistribute it and/or modify
   6 dnl it under the terms of the GNU General Public License as published by
   7 dnl the Free Software Foundation; either version 3 of the License, or
   8 dnl (at your option) any later version.
   9 dnl
  10 dnl This program is distributed in the hope that it will be useful,
  11 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 dnl GNU General Public License for more details.
  14 dnl
  15 dnl You should have received a copy of the GNU General Public License
  16 dnl along with this program; see the file COPYING3.  If not see
  17 dnl <http://www.gnu.org/licenses/>.
  18 dnl
  19
  20 AC_PREREQ(2.59)
  21 m4_include([../bfd/version.m4])
  22 AC_INIT([binutils], BFD_VERSION)
  23 AC_CONFIG_SRCDIR(ar.c)
  24
  25 AC_CANONICAL_TARGET
  26 AC_ISC_POSIX
  27
  28 AM_INIT_AUTOMAKE
  29
  30 AC_PROG_CC
  31 AC_GNU_SOURCE
  32 AC_USE_SYSTEM_EXTENSIONS
  33
  34 LT_INIT
  35 ACX_LARGEFILE
  36
  37 AC_ARG_ENABLE(targets,
  38 [  --enable-targets        alternative target configurations],
  39 [case "${enableval}" in
  40   yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
  41             ;;
  42   no)       enable_targets= ;;
  43   *)        enable_targets=$enableval ;;
  44 esac])dnl
  45
  46 AC_ARG_ENABLE(deterministic-archives,
  47 [AS_HELP_STRING([--enable-deterministic-archives],
  48                 [ar and ranlib default to -D behavior])], [
  49 if test "${enableval}" = no; then
  50   default_ar_deterministic=0
  51 else
  52   default_ar_deterministic=1
  53 fi], [default_ar_deterministic=0])
  54
  55 AC_DEFINE_UNQUOTED(DEFAULT_AR_DETERMINISTIC, $default_ar_deterministic,
  56                    [Should ar and ranlib use -D behavior by default?])
  57
  58 AM_BINUTILS_WARNINGS
  59
  60 AC_CONFIG_HEADERS(config.h:config.in)
  61
  62 AH_VERBATIM([00_CONFIG_H_CHECK],
  63 [/* Check that config.h is #included before system headers
  64    (this works only for glibc, but that should be enough).  */
  65 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
  66 #  error config.h must be #included before system headers
  67 #endif
  68 #define __CONFIG_H__ 1])
  69
  70 if test -z "$target" ; then
  71     AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
  72 fi
  73 if test -z "$host" ; then
  74     AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
  75 fi
  76
  77 AC_PROG_YACC
  78 AM_PROG_LEX
  79
  80 ALL_LINGUAS="bg da es fi fr id it ja ro ru rw sk sv tr uk vi zh_CN zh_TW hr"
  81 ZW_GNU_GETTEXT_SISTER_DIR
  82 AM_PO_SUBDIRS
  83
  84 AM_MAINTAINER_MODE
  85 AM_CONDITIONAL(GENINSRC_NEVER, false)
  86 AC_EXEEXT
  87 if test -n "$EXEEXT"; then
  88   AC_DEFINE(HAVE_EXECUTABLE_SUFFIX, 1,
  89             [Does the platform use an executable suffix?])
  90 fi
  91 AC_DEFINE_UNQUOTED(EXECUTABLE_SUFFIX, "${EXEEXT}",
  92                    [Suffix used for executables, if any.])
  93
  94 # host-specific stuff:
  95
  96 HDEFINES=
  97
  98 . ${srcdir}/../bfd/configure.host
  99
 100 AC_SUBST(HDEFINES)
 101 AR=${AR-ar}
 102 AC_SUBST(AR)
 103 AC_PROG_RANLIB
 104 AC_PROG_INSTALL
 105
 106 BFD_CC_FOR_BUILD
 107
 108 DEMANGLER_NAME=c++filt
 109 case "${host}" in
 110   *-*-go32* | *-*-msdos*)
 111     DEMANGLER_NAME=cxxfilt
 112 esac
 113 AC_SUBST(DEMANGLER_NAME)
 114
 115 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h fcntl.h sys/file.h limits.h locale.h sys/param.h wchar.h)
 116 AC_HEADER_SYS_WAIT
 117 ACX_HEADER_STRING
 118 AC_FUNC_ALLOCA
 119 AC_CHECK_FUNCS(sbrk utimes setmode getc_unlocked strcoll setlocale)
 120 AC_CHECK_FUNC([mkstemp],
 121               AC_DEFINE([HAVE_MKSTEMP], 1,
 122               [Define to 1 if you have the `mkstemp' function.]))
 123 AC_CHECK_FUNC([mkdtemp],
 124               AC_DEFINE([HAVE_MKDTEMP], 1,
 125               [Define to 1 if you have the `mkdtemp' function.]))
 126   AC_MSG_CHECKING([for mbstate_t])
 127   AC_TRY_COMPILE([#include <wchar.h>],
 128   [mbstate_t teststate;],
 129   have_mbstate_t=yes, have_mbstate_t=no)
 130   AC_MSG_RESULT($have_mbstate_t)
 131   if test x"$have_mbstate_t" = xyes; then
 132     AC_DEFINE(HAVE_MBSTATE_T,1,[Define if mbstate_t exists in wchar.h.])
 133   fi
 134
 135 # Some systems have frexp only in -lm, not in -lc.
 136 AC_SEARCH_LIBS(frexp, m)
 137
 138 AM_LC_MESSAGES
 139
 140 AC_MSG_CHECKING(for time_t in time.h)
 141 AC_CACHE_VAL(bu_cv_decl_time_t_time_h,
 142 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <time.h>], [time_t i;])],
 143 bu_cv_decl_time_t_time_h=yes, bu_cv_decl_time_t_time_h=no)])
 144 AC_MSG_RESULT($bu_cv_decl_time_t_time_h)
 145 if test $bu_cv_decl_time_t_time_h = yes; then
 146   AC_DEFINE([HAVE_TIME_T_IN_TIME_H], 1,
 147             [Is the type time_t defined in <time.h>?])
 148 fi
 149
 150 AC_MSG_CHECKING(for time_t in sys/types.h)
 151 AC_CACHE_VAL(bu_cv_decl_time_t_types_h,
 152 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>], [time_t i;])],
 153 bu_cv_decl_time_t_types_h=yes, bu_cv_decl_time_t_types_h=no)])
 154 AC_MSG_RESULT($bu_cv_decl_time_t_types_h)
 155 if test $bu_cv_decl_time_t_types_h = yes; then
 156   AC_DEFINE([HAVE_TIME_T_IN_TYPES_H], 1,
 157             [Is the type time_t defined in <sys/types.h>?])
 158 fi
 159
 160 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
 161 AC_CACHE_VAL(bu_cv_decl_getopt_unistd_h,
 162 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
 163 bu_cv_decl_getopt_unistd_h=yes, bu_cv_decl_getopt_unistd_h=no)])
 164 AC_MSG_RESULT($bu_cv_decl_getopt_unistd_h)
 165 if test $bu_cv_decl_getopt_unistd_h = yes; then
 166   AC_DEFINE([HAVE_DECL_GETOPT], 1,
 167             [Is the prototype for getopt in <unistd.h> in the expected format?])
 168 fi
 169
 170 # Under Next 3.2 <utime.h> apparently does not define struct utimbuf
 171 # by default.
 172 AC_MSG_CHECKING([for utime.h])
 173 AC_CACHE_VAL(bu_cv_header_utime_h,
 174 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 175 #ifdef HAVE_TIME_H
 176 #include <time.h>
 177 #endif
 178 #include <utime.h>],
 179 [struct utimbuf s;])],
 180 bu_cv_header_utime_h=yes, bu_cv_header_utime_h=no)])
 181 AC_MSG_RESULT($bu_cv_header_utime_h)
 182 if test $bu_cv_header_utime_h = yes; then
 183   AC_DEFINE(HAVE_GOOD_UTIME_H, 1, [Does <utime.h> define struct utimbuf?])
 184 fi
 185
 186 AC_CHECK_DECLS([environ, fprintf, getc_unlocked, getenv,
 187                 sbrk, snprintf, stpcpy, strnlen, strstr, vsnprintf])
 188
 189 # Link in zlib if we can.  This allows us to read compressed debug
 190 # sections.  This is used only by readelf.c (objdump uses bfd for
 191 # reading compressed sections).
 192 AM_ZLIB
 193
 194 BFD_BINARY_FOPEN
 195
 196 # target-specific stuff:
 197
 198 # Canonicalize the secondary target names.
 199 if test -n "$enable_targets"; then
 200     for targ in `echo $enable_targets | sed 's/,/ /g'`
 201     do
 202         result=`$ac_config_sub $targ 2>/dev/null`
 203         if test -n "$result"; then
 204             canon_targets="$canon_targets $result"
 205         else
 206             # Allow targets that config.sub doesn't recognize, like "all".
 207             canon_targets="$canon_targets $targ"
 208         fi
 209     done
 210 fi
 211
 212 AC_CHECK_HEADER(iconv.h)
 213 AM_ICONV
 214
 215 all_targets=false
 216 BUILD_NLMCONV=
 217 NLMCONV_DEFS=
 218 BUILD_SRCONV=
 219 BUILD_DLLTOOL=
 220 DLLTOOL_DEFS=
 221 DLLTOOL_DEFAULT=
 222 BUILD_WINDRES=
 223 BUILD_WINDMC=
 224 BUILD_DLLWRAP=
 225 BUILD_MISC=
 226 BUILD_INSTALL_MISC=
 227 OBJDUMP_DEFS=
 228 OBJDUMP_PRIVATE_VECTORS=
 229 OBJDUMP_PRIVATE_OFILES=
 230 od_vectors=
 231
 232 for targ in $target $canon_targets
 233 do
 234     if test "x$targ" = "xall"; then
 235         all_targets=true
 236         BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
 237         BUILD_SRCONV='$(SRCONV_PROG)'
 238         NLMCONV_DEFS="-DNLMCONV_I386 -DNLMCONV_ALPHA -DNLMCONV_POWERPC -DNLMCONV_SPARC"
 239         BUILD_MISC="${BUILD_MISC} "'bin2c$(EXEEXT_FOR_BUILD)'
 240         BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 241         BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 242         BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 243         if test -z "$DLLTOOL_DEFAULT"; then
 244           DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_I386"
 245         fi
 246         DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
 247         BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
 248         od_vectors="$od_vectors objdump_private_desc_xcoff"
 249     else
 250         case $targ in
 251 changequote(,)dnl
 252         i[3-7]86*-*-netware*)
 253 changequote([,])dnl
 254           BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
 255           NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_I386"
 256           ;;
 257         alpha*-*-netware*)
 258           BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
 259           NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_ALPHA"
 260           ;;
 261         powerpc*-*-netware*)
 262           BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
 263           NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_POWERPC"
 264           ;;
 265         sparc*-*-netware*)
 266           BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
 267           NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_SPARC"
 268           ;;
 269         esac
 270
 271         case $targ in
 272         *-*-hms*) BUILD_SRCONV='$(SRCONV_PROG)' ;;
 273         esac
 274
 275         case $targ in
 276         arm-epoc-pe*)
 277           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 278           if test -z "$DLLTOOL_DEFAULT"; then
 279             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_ARM_EPOC"
 280           fi
 281           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM_EPOC -DDLLTOOL_ARM"
 282           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 283           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 284           ;;
 285         arm-wince-pe* | arm-*-wince | arm*-*-cegcc* | arm*-*-mingw32ce*)
 286           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 287           if test -z "$DLLTOOL_DEFAULT"; then
 288             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_ARM_WINCE"
 289           fi
 290           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM_WINCE -DDLLTOOL_ARM"
 291           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 292           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 293           ;;
 294         arm-*-pe*)
 295           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 296           if test -z "$DLLTOOL_DEFAULT"; then
 297             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_ARM"
 298           fi
 299           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM"
 300           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 301           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 302           ;;
 303         x86_64-*-mingw* | x86_64-*-cygwin*)
 304           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 305           if test -z "$DLLTOOL_DEFAULT"; then
 306             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MX86_64"
 307           fi
 308           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MX86_64"
 309           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 310           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 311           BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
 312           ;;
 313 changequote(,)dnl
 314         i[3-7]86-*-pe* | i[3-7]86-*-cygwin* | i[3-7]86-*-mingw32** | i[3-7]86-*-netbsdpe*)
 315 changequote([,])dnl
 316           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 317           if test -z "$DLLTOOL_DEFAULT"; then
 318             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_I386"
 319           fi
 320           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
 321           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 322           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 323           BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
 324           ;;
 325 changequote(,)dnl
 326         i[3-7]86-*-interix)
 327 changequote([,])dnl
 328           BUILD_DLLTOOL='$(DLLTOOL_PROG)'
 329           if test -z "$DLLTOOL_DEFAULT"; then
 330             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_I386"
 331           fi
 332           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
 333           ;;
 334 changequote(,)dnl
 335         powerpc*-aix5.[01])
 336 changequote([,])dnl
 337           ;;
 338 changequote(,)dnl
 339         powerpc*-aix[5-9].*)
 340 changequote([,])dnl
 341           OBJDUMP_DEFS="-DAIX_WEAK_SUPPORT"
 342           ;;
 343         powerpc*-*-pe* | powerpc*-*-cygwin*)
 344           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 345           if test -z "$DLLTOOL_DEFAULT"; then
 346             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_PPC"
 347           fi
 348           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_PPC"
 349           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 350           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 351           ;;
 352         powerpc*-*-linux* | powerpc*-*-elf* | powerpc*-*-eabi*)
 353           case "$BUILD_INSTALL_MISC" in
 354             *embedspu*) ;;
 355             *) BUILD_INSTALL_MISC="${BUILD_INSTALL_MISC} embedspu"
 356           esac
 357           ;;
 358         sh*-*-pe)
 359           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 360           if test -z "$DLLTOOL_DEFAULT"; then
 361             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_SH"
 362           fi
 363           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_SH"
 364           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 365           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 366           ;;
 367         spu-*-*)
 368           BUILD_MISC="${BUILD_MISC} "'bin2c$(EXEEXT_FOR_BUILD)'
 369           ;;
 370         mips*-*-pe)
 371           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 372           if test -z "$DLLTOOL_DEFAULT"; then
 373             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MIPS"
 374           fi
 375           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MIPS"
 376           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 377           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 378           ;;
 379         mcore-*-pe)
 380           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 381           if test -z "$DLLTOOL_DEFAULT"; then
 382             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MCORE"
 383           fi
 384           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MCORE"
 385           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 386           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 387           ;;
 388         mcore-*-elf)
 389           BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 390           if test -z "$DLLTOOL_DEFAULT"; then
 391             DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MCORE_ELF"
 392           fi
 393           DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MCORE_ELF"
 394           ;;
 395         mep-*)
 396           OBJDUMP_DEFS="-DSKIP_ZEROES=256 -DSKIP_ZEROES_AT_END=0"
 397           ;;
 398         esac
 399
 400         # Add objdump private vectors.
 401         case $targ in
 402         powerpc-*-aix*)
 403           od_vectors="$od_vectors objdump_private_desc_xcoff"
 404           ;;
 405         *-*-darwin*)
 406           od_vectors="$od_vectors objdump_private_desc_mach_o"
 407           ;;
 408         esac
 409     fi
 410 done
 411
 412 # Uniq objdump private vector, build objdump target ofiles.
 413 od_files=
 414 f=""
 415 for i in $od_vectors ; do
 416     case " $f " in
 417     *" $i "*) ;;
 418     *)
 419         f="$f $i"
 420         OBJDUMP_PRIVATE_VECTORS="$OBJDUMP_PRIVATE_VECTORS &$i,"
 421         case $i in
 422         objdump_private_desc_xcoff)
 423             od_files="$od_files od-xcoff" ;;
 424         objdump_private_desc_mach_o)
 425             od_files="$od_files od-macho" ;;
 426         *) AC_MSG_ERROR(*** unknown private vector $i) ;;
 427         esac
 428         ;;
 429     esac
 430 done
 431
 432 # Uniq objdump target ofiles
 433 f=""
 434 for i in $od_files ; do
 435     case " $f " in
 436     *" $i "*) ;;
 437     *)
 438         f="$f $i"
 439         OBJDUMP_PRIVATE_OFILES="$OBJDUMP_PRIVATE_OFILES $i.$objext"
 440         ;;
 441     esac
 442 done
 443
 444 DLLTOOL_DEFS="$DLLTOOL_DEFS $DLLTOOL_DEFAULT"
 445
 446 if test "${with_windres+set}" = set; then
 447           BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 448 fi
 449
 450 if test "${with_windmc+set}" = set; then
 451           BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 452 fi
 453
 454 OBJDUMP_DEFS="${OBJDUMP_DEFS} -DOBJDUMP_PRIVATE_VECTORS=\"${OBJDUMP_PRIVATE_VECTORS}\""
 455
 456 AC_SUBST(NLMCONV_DEFS)
 457 AC_SUBST(BUILD_NLMCONV)
 458 AC_SUBST(BUILD_SRCONV)
 459 AC_SUBST(BUILD_DLLTOOL)
 460 AC_SUBST(DLLTOOL_DEFS)
 461 AC_SUBST(BUILD_WINDRES)
 462 AC_SUBST(BUILD_WINDMC)
 463 AC_SUBST(BUILD_DLLWRAP)
 464 AC_SUBST(BUILD_MISC)
 465 AC_SUBST(BUILD_INSTALL_MISC)
 466 AC_SUBST(OBJDUMP_DEFS)
 467 AC_SUBST(OBJDUMP_PRIVATE_OFILES)
 468
 469 AC_DEFINE_UNQUOTED(TARGET, "${target}", [Configured target name.])
 470
 471 targ=$target
 472 . $srcdir/../bfd/config.bfd
 473 if test "x$targ_underscore" = "xyes"; then
 474     UNDERSCORE=1
 475 else
 476     UNDERSCORE=0
 477 fi
 478 AC_DEFINE_UNQUOTED(TARGET_PREPENDS_UNDERSCORE, $UNDERSCORE,
 479  [Define to 1 if user symbol names have a leading underscore, 0 if not.])
 480
 481 # Emulation
 482 targ=$target
 483 . ${srcdir}/configure.tgt
 484 EMULATION=$targ_emul
 485 EMULATION_VECTOR=$targ_emul_vector
 486
 487 AC_SUBST(EMULATION)
 488 AC_SUBST(EMULATION_VECTOR)
 489
 490 # Required for html and install-html
 491 AC_SUBST(datarootdir)
 492 AC_SUBST(docdir)
 493 AC_SUBST(htmldir)
 494 AC_SUBST(pdfdir)
 495
 496 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
 497 AC_OUTPUT