gdb/configure.in

   1 dnl Autoconf configure script for GDB, the GNU debugger.
   2 dnl Copyright 1995, 1996 Free Software Foundation, Inc.
   3 dnl
   4 dnl This file is part of GDB.
   5 dnl
   6 dnl This program is free software; you can redistribute it and/or modify
   7 dnl it under the terms of the GNU General Public License as published by
   8 dnl the Free Software Foundation; either version 2 of the License, or
   9 dnl (at your option) any later version.
  10 dnl
  11 dnl This program is distributed in the hope that it will be useful,
  12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 dnl GNU General Public License for more details.
  15 dnl
  16 dnl You should have received a copy of the GNU General Public License
  17 dnl along with this program; if not, write to the Free Software
  18 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19
  20 dnl Process this file with autoconf to produce a configure script.
  21
  22 AC_PREREQ(2.5)dnl
  23 AC_INIT(main.c)
  24 AC_CONFIG_HEADER(config.h:config.in)
  25
  26 AC_PROG_CC
  27 AC_AIX
  28 AC_MINIX
  29 AC_ISC_POSIX
  30
  31 AC_CANONICAL_SYSTEM
  32
  33 AC_PROG_INSTALL
  34 AC_CHECK_TOOL(AR, ar)
  35 AC_CHECK_TOOL(RANLIB, ranlib, :)
  36 AC_PROG_YACC
  37 AC_PROG_AWK
  38
  39 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
  40 AC_ARG_PROGRAM
  41
  42 AC_HEADER_STDC
  43 AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h)
  44 AC_HEADER_STAT
  45
  46 AC_C_CONST
  47
  48 AC_CHECK_FUNCS(setpgid sbrk select poll)
  49
  50 # If we are configured native on Linux, work around problems with sys/procfs.h
  51 if test "${target}" = "${host}"; then
  52   case "${host}" in
  53   i[3456]86-*-linux*)
  54         AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
  55         AC_DEFINE(sys_quotactl)
  56         ;;
  57   esac
  58 fi
  59
  60 AC_MSG_CHECKING([for gregset_t type])
  61 AC_CACHE_VAL(gdb_cv_have_gregset_t,
  62 [AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
  63 gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
  64 AC_MSG_RESULT($gdb_cv_have_gregset_t)
  65 if test $gdb_cv_have_gregset_t = yes; then
  66   AC_DEFINE(HAVE_GREGSET_T)
  67 fi
  68
  69 AC_MSG_CHECKING([for fpregset_t type])
  70 AC_CACHE_VAL(gdb_cv_have_fpregset_t,
  71 [AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
  72 gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
  73 AC_MSG_RESULT($gdb_cv_have_fpregset_t)
  74 if test $gdb_cv_have_fpregset_t = yes; then
  75   AC_DEFINE(HAVE_FPREGSET_T)
  76 fi
  77
  78 dnl See if compiler supports "long long" type.
  79
  80 AC_MSG_CHECKING(for long long support in compiler)
  81 AC_CACHE_VAL(gdb_cv_c_long_long,
  82 [AC_TRY_COMPILE(, [
  83   extern long long foo;
  84   switch (foo & 2) { case 0: return 1; }
  85 ],
  86 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
  87 AC_MSG_RESULT($gdb_cv_c_long_long)
  88 if test $gdb_cv_c_long_long = yes; then
  89   AC_DEFINE(CC_HAS_LONG_LONG)
  90 fi
  91
  92 dnl See if the compiler and runtime support printing long long
  93
  94 AC_MSG_CHECKING(for long long support in printf)
  95 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
  96 [AC_TRY_RUN([
  97 int main () {
  98   char buf[16];
  99   long long l = 0x12345;
 100   sprintf (buf, "%llx", l);
 101   return (strcmp ("12345", buf));
 102 }],
 103 gdb_cv_printf_has_long_long=yes,
 104 gdb_cv_printf_has_long_long=no,
 105 gdb_cv_printf_has_long_long=no)])
 106 if test $gdb_cv_printf_has_long_long = yes; then
 107   AC_DEFINE(PRINTF_HAS_LONG_LONG)
 108 fi
 109 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
 110
 111 dnl See if compiler supports "long double" type.  Can't use AC_C_LONG_DOUBLE
 112 dnl because autoconf complains about cross-compilation issues.  However, this
 113 dnl code uses the same variables as the macro for compatibility.
 114
 115 AC_MSG_CHECKING(for long double support in compiler)
 116 AC_CACHE_VAL(ac_cv_c_long_double,
 117 [AC_TRY_COMPILE(, [long double foo;],
 118 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
 119 AC_MSG_RESULT($ac_cv_c_long_double)
 120 if test $ac_cv_c_long_double = yes; then
 121   AC_DEFINE(HAVE_LONG_DOUBLE)
 122 fi
 123
 124 dnl See if the compiler and runtime support printing long doubles
 125
 126 AC_MSG_CHECKING(for long double support in printf)
 127 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
 128 [AC_TRY_RUN([
 129 int main () {
 130   char buf[16];
 131   long double f = 3.141592653;
 132   sprintf (buf, "%Lg", f);
 133   return (strncmp ("3.14159", buf, 7));
 134 }],
 135 gdb_cv_printf_has_long_double=yes,
 136 gdb_cv_printf_has_long_double=no,
 137 gdb_cv_printf_has_long_double=no)])
 138 if test $gdb_cv_printf_has_long_double = yes; then
 139   AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
 140 fi
 141 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
 142
 143 AC_FUNC_MMAP
 144
 145 BFD_NEED_DECLARATION(malloc)
 146 BFD_NEED_DECLARATION(realloc)
 147 BFD_NEED_DECLARATION(free)
 148
 149 dnl See if thread_db library is around for Solaris thread debugging.  Note that
 150 dnl we must explicitly test for version 1 of the library because version 0
 151 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
 152
 153 dnl Note that we only want this if we are both native (host == target), and
 154 dnl not doing a canadian cross build (build == host).
 155
 156 if test ${build} = ${host} -a ${host} = ${target} ; then
 157         AC_MSG_CHECKING(for Solaris thread debugging library)
 158         if test -f /usr/lib/libthread_db.so.1 ; then
 159                 AC_MSG_RESULT(yes)
 160                 THREAD_DB_OBS=sol-thread.o
 161                 AC_DEFINE(HAVE_THREAD_DB_LIB)
 162                 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
 163         else
 164                 AC_MSG_RESULT(no)
 165         fi
 166         case ${host_os} in
 167         hpux*)
 168                 AC_MSG_CHECKING(for HPUX/OSF thread support)
 169                 if test -f /usr/include/dce/cma_config.h ; then
 170                         AC_MSG_RESULT(yes)
 171                         AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
 172                         THREAD_DB_OBS=hpux-thread.o
 173                 else
 174                         AC_MSG_RESULT(no)
 175                 fi
 176                 ;;
 177         esac
 178         AC_SUBST(THREAD_DB_OBS)
 179         AC_SUBST(CONFIG_LDFLAGS)
 180 fi
 181
 182 dnl Handle optional features that can be enabled.
 183 ENABLE_CFLAGS=
 184 ENABLE_CLIBS=
 185 ENABLE_OBS=
 186
 187 AC_ARG_ENABLE(netrom,
 188 [  --enable-netrom ],
 189 [case "${enableval}" in
 190 yes)    enable_netrom=yes ;;
 191 no)     enable_netrom=no ;;
 192 *)      AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
 193 esac])
 194
 195 if test "${enable_netrom}" = "yes"; then
 196         ENABLE_OBS="${ENABLE_OBS} remote-nrom.o"
 197 fi
 198
 199 # start-sanitize-gm
 200 ENABLE_GM=
 201
 202 AC_ARG_ENABLE(gm,
 203 [  --enable-gm ],
 204 [case "${enableval}" in
 205 yes)    ENABLE_OBS="${ENABLE_OBS} gmagic.o"
 206         ENABLE_CFLAGS=-DGENERAL_MAGIC
 207         ;;
 208 no)     ;;
 209 *)      AC_MSG_ERROR(bad value ${enableval} given for gm option) ;;
 210 esac])
 211
 212 # end-sanitize-gm
 213
 214 AC_ARG_ENABLE(sim-powerpc,
 215 [  --enable-sim-powerpc ],
 216 [case "${enableval}" in
 217 yes)    powerpc_sim=yes ;;
 218 no)     powerpc_sim=no ;;
 219 *)      AC_MSG_ERROR(bad value ${enableval} given for sim-powerpc option) ;;
 220 esac],[if test x"$GCC" != x""; then powerpc_sim=yes; else powerpc_sim=no; fi])
 221
 222 # start-sanitize-gdbtk
 223 ENABLE_GDBTK=
 224
 225 AC_ARG_ENABLE(gdbtk,
 226 [  --enable-gdbtk ],
 227 [case "${enableval}" in
 228     yes)
 229         case "$host" in
 230         *go32*)
 231             AC_MSG_WARN([GDB does not support GDBtk on host ${host}.  GDBtk will be disabled.])
 232             enable_gdbtk=no ;;
 233         *cygwin32* | *windows*)
 234             AC_MSG_WARN([GDB does not support GDBtk on host ${host}.  GDBtk will be disabled.])
 235             enable_gdbtk=no ;;
 236         *)
 237             enable_gdbtk=yes ;;
 238         esac ;;
 239     no)
 240         enable_gdbtk=no  ;;
 241     *)
 242         AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
 243 esac],
 244 [
 245 # Default is on for everything but go32 and cygwin32
 246 case "$host" in
 247     *go32* | *cygwin32* | *windows*)
 248         ;;
 249     *)
 250         enable_gdbtk=yes ;;
 251     esac
 252 ])
 253
 254 if test "${enable_gdbtk}" = "yes"; then
 255
 256     CY_AC_PATH_TCLCONFIG
 257     if test -z "${no_tcl}"; then
 258         CY_AC_LOAD_TCLCONFIG
 259         CY_AC_PATH_TKCONFIG
 260
 261         # If $no_tk is nonempty, then we can't do Tk, and there is no
 262         # point to doing Tcl.
 263         if test -z "${no_tk}"; then
 264            CY_AC_LOAD_TKCONFIG
 265            CY_AC_PATH_TCLH
 266            CY_AC_PATH_TKH
 267
 268            # Include some libraries that Tcl and Tk want.
 269            LIBS="$LIBS $TK_LIBS"
 270
 271            ENABLE_GDBTK=1
 272
 273            TCL_LIBS='$(TCL) $(TK) $(X11_LDFLAGS) $(X11_LIBS)'
 274            ENABLE_CLIBS="${ENABLE_CLIBS} ${TCL_LIBS}"
 275            ENABLE_OBS="${ENABLE_OBS} gdbtk.o"
 276         fi
 277     fi
 278 fi
 279
 280 AC_SUBST(ENABLE_GDBTK)
 281 AC_SUBST(X_CFLAGS)
 282 AC_SUBST(X_LDFLAGS)
 283 AC_SUBST(X_LIBS)
 284 # end-sanitize-gdbtk
 285
 286 AC_SUBST(ENABLE_CFLAGS)
 287 AC_SUBST(ENABLE_CLIBS)
 288 AC_SUBST(ENABLE_OBS)
 289
 290 # Begin stuff to support --enable-shared
 291 AC_ARG_ENABLE(shared,
 292 [  --enable-shared         use shared libraries],
 293 [case "${enableval}" in
 294   yes) shared=true ;;
 295   no)  shared=false ;;
 296   *) shared=true ;;
 297 esac])dnl
 298
 299 HLDFLAGS=
 300 HLDENV=
 301 # If we have shared libraries, try to set rpath reasonably.
 302 if test "${shared}" = "true"; then
 303   case "${host}" in
 304   *-*-hpux*)
 305     HLDFLAGS='-Wl,+s,+b,$(libdir)'
 306     ;;
 307   *-*-irix5* | *-*-irix6*)
 308     HLDFLAGS='-Wl,-rpath,$(libdir)'
 309     ;;
 310   *-*-linux*aout*)
 311     ;;
 312   *-*-linux* | *-pc-linux-gnu)
 313     HLDFLAGS='-Wl,-rpath,$(libdir)'
 314     ;;
 315   *-*-solaris*)
 316     HLDFLAGS='-R $(libdir)'
 317     ;;
 318   *-*-sysv4*)
 319     HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;'
 320     ;;
 321   esac
 322 fi
 323
 324 # On SunOS, if the linker supports the -rpath option, use it to
 325 # prevent ../bfd and ../opcodes from being included in the run time
 326 # search path.
 327 case "${host}" in
 328   *-*-sunos*)
 329     echo 'main () { }' > conftest.c
 330     ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
 331     if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
 332       :
 333     elif grep 'No such file' conftest.t >/dev/null 2>&1; then
 334       :
 335     elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
 336       :
 337     elif test "${shared}" = "true"; then
 338       HLDFLAGS='-Wl,-rpath=$(libdir)'
 339     else
 340       HLDFLAGS='-Wl,-rpath='
 341     fi
 342     rm -f conftest.t conftest.c conftest
 343     ;;
 344 esac
 345 AC_SUBST(HLDFLAGS)
 346 AC_SUBST(HLDENV)
 347 # End stuff to support --enable-shared
 348
 349 # target_subdir is used by the testsuite to find the target libraries.
 350 target_subdir=
 351 if test "${host}" != "${target}"; then
 352     target_subdir="${target_alias}/"
 353 fi
 354 AC_SUBST(target_subdir)
 355
 356 configdirs="doc testsuite"
 357
 358 dnl
 359 changequote(,)dnl
 360
 361 . ${srcdir}/configure.host
 362
 363 . ${srcdir}/configure.tgt
 364
 365 dnl
 366 changequote([,])dnl
 367
 368 frags=
 369 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
 370 if test ! -f ${host_makefile_frag}; then
 371 AC_MSG_ERROR("*** Gdb does not support host ${host}")
 372 fi
 373 frags="$frags $host_makefile_frag"
 374
 375 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
 376 if test ! -f ${target_makefile_frag}; then
 377 AC_MSG_ERROR("*** Gdb does not support target ${target}")
 378 fi
 379 frags="$frags $target_makefile_frag"
 380
 381 AC_SUBST_FILE(host_makefile_frag)
 382 AC_SUBST_FILE(target_makefile_frag)
 383 AC_SUBST(frags)
 384
 385 changequote(,)dnl
 386 hostfile=`sed -n '
 387 s/XM_FILE[      ]*=[    ]*\([^  ]*\)/\1/p
 388 ' ${host_makefile_frag}`
 389
 390 targetfile=`sed -n '
 391 s/TM_FILE[      ]*=[    ]*\([^  ]*\)/\1/p
 392 ' ${target_makefile_frag}`
 393
 394 # these really aren't orthogonal true/false values of the same condition,
 395 # but shells are slow enough that I like to reuse the test conditions
 396 # whenever possible
 397 if test "${target}" = "${host}"; then
 398 nativefile=`sed -n '
 399 s/NAT_FILE[     ]*=[    ]*\([^  ]*\)/\1/p
 400 ' ${host_makefile_frag}`
 401 else
 402 # GDBserver is only useful in a "native" enviroment
 403 configdirs=`echo $configdirs | sed 's/gdbserver//'`
 404 fi
 405 changequote([,])
 406
 407 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
 408 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
 409 # corresponding links.  But we have to remove the xm.h files and tm.h
 410 # files anyway, e.g. when switching from "configure host" to
 411 # "configure none".
 412
 413 files=
 414 links=
 415 rm -f xm.h
 416 if test "${hostfile}" != ""; then
 417 files="${files} config/${gdb_host_cpu}/${hostfile}"
 418 links="${links} xm.h"
 419 fi
 420 rm -f tm.h
 421 if test "${targetfile}" != ""; then
 422 files="${files} config/${gdb_target_cpu}/${targetfile}"
 423 links="${links} tm.h"
 424 fi
 425 rm -f nm.h
 426 if test "${nativefile}" != ""; then
 427 files="${files} config/${gdb_host_cpu}/${nativefile}"
 428 links="${links} nm.h"
 429 else
 430 # A cross-only configuration.
 431 files="${files} config/nm-empty.h"
 432 links="${links} nm.h"
 433 fi
 434 # start-sanitize-gdbtk
 435
 436 # Make it possible to use the GUI without doing a full install
 437 if test "${enable_gdbtk}" = "yes" -a ! -f gdbtk.tcl ; then
 438 files="${files} gdbtk.tcl"
 439 links="${links} gdbtk.tcl"
 440 fi
 441 # end-sanitize-gdbtk
 442
 443 AC_LINK_FILES($files, $links)
 444
 445 AC_CONFIG_SUBDIRS($configdirs)
 446 AC_OUTPUT(Makefile,
 447 [
 448 dnl Autoconf doesn't provide a mechanism for modifying definitions
 449 dnl provided by makefile fragments.
 450 dnl
 451 if test "${nativefile}" = ""; then
 452 sed -e '/^NATDEPFILES[[         ]]*=[[  ]]*/s//# NATDEPFILES=/' \
 453         < Makefile > Makefile.tem
 454 mv -f Makefile.tem Makefile
 455 fi
 456
 457 changequote(,)dnl
 458 sed -e '/^TM_FILE[      ]*=/s,^TM_FILE[         ]*=[    ]*,&config/'"${gdb_target_cpu}"'/,
 459 /^XM_FILE[      ]*=/s,^XM_FILE[         ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,
 460 /^NAT_FILE[     ]*=/s,^NAT_FILE[        ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
 461 mv -f Makefile.tmp Makefile
 462 changequote([,])dnl
 463
 464 case ${srcdir} in
 465 .)
 466 ;;
 467 *)
 468 grep "source ${srcdir}/.gdbinit" .gdbinit >/dev/null 2>/dev/null || \
 469 echo "source ${srcdir}/.gdbinit" >> .gdbinit
 470 esac
 471
 472 case x$CONFIG_HEADERS in
 473 xconfig.h:config.in)
 474 echo > stamp-h ;;
 475 esac
 476 ],
 477 [
 478 gdb_host_cpu=$gdb_host_cpu
 479 gdb_target_cpu=$gdb_target_cpu
 480 nativefile=$nativefile
 481 ])
 482
 483 exit 0
 484