gdb/configure.in

   1 dnl Autoconf configure script for GDB, the GNU debugger.
   2 dnl Copyright 1995, 1996, 1997, 1998, 1999 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(2.13)dnl
  23 AC_INIT(main.c)
  24 AC_CONFIG_HEADER(config.h:config.in)
  25
  26 AC_PROG_CC
  27 AC_AIX
  28 AC_ISC_POSIX
  29 AM_PROG_CC_STDC
  30
  31 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
  32 AC_CANONICAL_SYSTEM
  33
  34 dnl gdb doesn't use gettext, but bfd does.  We call this to ensure we
  35 dnl link with the correct libraries.
  36 ALL_LINGUAS=
  37 CY_GNU_GETTEXT
  38
  39 dnl List of object files added by configure.
  40
  41 CONFIG_OBS=
  42 CONFIG_DEPS=
  43 CONFIG_SRCS=
  44 CONFIG_INITS=
  45 ENABLE_CFLAGS=
  46 CONFIG_ALL=
  47 CONFIG_CLEAN=
  48 CONFIG_INSTALL=
  49 CONFIG_UNINSTALL=
  50
  51 configdirs="doc testsuite"
  52
  53 AC_ARG_ENABLE(multi-ice,
  54 [  --enable-multi-ice            Build the multi-ice-gdb-server],
  55 [case "${enableval}" in
  56     yes ) enable_multi_ice="yes" ;;
  57     no)  enable_multi_ice="no" ;;
  58     *) AC_MSG_ERROR(Bad value for --enable-multi-ice: ${enableval}) ;;
  59   esac
  60 ])
  61
  62 if test "${enable_multi_ice}" = "yes"; then
  63   configdirs="${configdirs} multi-ice"
  64 fi
  65
  66 dnl
  67 changequote(,)dnl
  68
  69 . ${srcdir}/configure.host
  70
  71 . ${srcdir}/configure.tgt
  72
  73 dnl
  74 changequote([,])dnl
  75
  76 AC_PROG_AWK
  77 AC_PROG_INSTALL
  78 AC_CHECK_TOOL(AR, ar)
  79 AC_CHECK_TOOL(RANLIB, ranlib, :)
  80 AC_PROG_YACC
  81
  82 dnl MiG is needed for the Hurd.
  83 AC_CHECK_TOOL(MIG, mig)
  84
  85 AC_ARG_PROGRAM
  86
  87 AC_TYPE_SIGNAL
  88
  89 AC_HEADER_STDC
  90
  91 AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h thread_db.h proc_service.h \
  92         memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \
  93         string.h sys/procfs.h sys/ptrace.h sys/reg.h stdint.h \
  94         term.h termio.h termios.h unistd.h wait.h sys/wait.h \
  95         wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \
  96         time.h sys/ioctl.h)
  97 AC_HEADER_STAT
  98
  99 AC_C_CONST
 100
 101 AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
 102 AC_FUNC_ALLOCA
 103
 104 dnl See if ptrace.h provides the PTRACE_GETREGS request.
 105 AC_MSG_CHECKING(for PTRACE_GETREGS)
 106 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
 107 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 108                 [PTRACE_GETREGS;],
 109                 [gdb_cv_have_ptrace_getregs=yes],
 110                 [gdb_cv_have_ptrace_getregs=no])])
 111 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
 112 if test $gdb_cv_have_ptrace_getregs = yes; then
 113   AC_DEFINE(HAVE_PTRACE_GETREGS)
 114 fi
 115
 116 dnl See if ptrace.h provides the PTRACE_GETXFPREGS request.
 117 dnl PTRACE_GETXFPREGS is a Cygnus invention, since we wrote our own
 118 dnl Linux kernel patch for SSE support.  That patch may or may not
 119 dnl actually make it into the official distribution.  If you find that
 120 dnl years have gone by since this configure test was added, and Linux
 121 dnl isn't using PTRACE_GETXFPREGS, that means that our patch didn't
 122 dnl make it, and you can delete this code.
 123 AC_MSG_CHECKING(for PTRACE_GETXFPREGS)
 124 AC_CACHE_VAL(gdb_cv_have_ptrace_getxfpregs,
 125 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 126                 [PTRACE_GETXFPREGS;],
 127                 [gdb_cv_have_ptrace_getxfpregs=yes],
 128                 [gdb_cv_have_ptrace_getxfpregs=no])])
 129 AC_MSG_RESULT($gdb_cv_have_ptrace_getxfpregs)
 130 if test $gdb_cv_have_ptrace_getxfpregs = yes; then
 131   AC_DEFINE(HAVE_PTRACE_GETXFPREGS)
 132 fi
 133
 134 AC_CHECK_LIB(socket, socketpair)
 135 AC_CHECK_FUNCS(socketpair)
 136
 137
 138 BFD_NEED_DECLARATION(malloc)
 139 BFD_NEED_DECLARATION(realloc)
 140 BFD_NEED_DECLARATION(free)
 141 BFD_NEED_DECLARATION(strerror)
 142 BFD_NEED_DECLARATION(strdup)
 143 BFD_NEED_DECLARATION(strstr)
 144
 145
 146 # The following save_state_t checkery is only necessary for HPUX
 147 # versions earlier than 10.20.  When those fade from memory, this
 148 # could be expunged. --jsm 1999-03-22
 149
 150 AC_MSG_CHECKING(for HPUX save_state structure)
 151 AC_EGREP_HEADER(save_state_t, machine/save_state.h,
 152                 gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)
 153 AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,
 154                 gdb_cv_hpux_sswide=no)
 155 if test $gdb_cv_hpux_savestate = yes
 156 then
 157   AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)
 158 fi
 159 if test $gdb_cv_hpux_sswide = yes
 160 then
 161   AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)
 162 fi
 163 AC_MSG_RESULT($gdb_cv_hpux_sswide)
 164
 165
 166 # If we are configured native on GNU/Linux, work around problems with
 167 # sys/procfs.h
 168 # Also detect which type of /proc is in use, such as for Unixware or Solaris.
 169
 170 if test "${target}" = "${host}"; then
 171   case "${host}" in
 172   i[[3456]]86-*-linux*)
 173         AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
 174         AC_DEFINE(sys_quotactl)
 175         ;;
 176   *-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)
 177       AC_DEFINE(NEW_PROC_API)
 178       ;;
 179   # FIXME: we would like to define NEW_PROC_API for all versions of
 180   # Solaris from 2.6 on... but it isn't quite working yet.  Seems
 181   # to work on sparc 2.6, so let's try it out there.
 182   sparc-sun-solaris2.6)
 183       AC_DEFINE(NEW_PROC_API)
 184       ;;
 185   esac
 186 fi
 187
 188 if test "$ac_cv_header_sys_procfs_h" = yes; then
 189   BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
 190   BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
 191   BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
 192   BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
 193   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
 194   BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
 195   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
 196   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
 197
 198   dnl Check for PIOCSET ioctl entry
 199
 200   AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
 201   AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
 202   [AC_TRY_COMPILE([#include <unistd.h>
 203 #include <sys/types.h>
 204 #include <sys/procfs.h>
 205 ], [
 206     int dummy;;
 207     dummy = ioctl(0, PIOCSET, &dummy);
 208   ],
 209   gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
 210   AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
 211   if test $gdb_cv_have_procfs_piocset = yes; then
 212     AC_DEFINE(HAVE_PROCFS_PIOCSET)
 213   fi
 214 fi
 215
 216 dnl See if host has libm.  This is usually needed by simulators.
 217 AC_CHECK_LIB(m, main)
 218
 219 dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6.
 220 dnl
 221 dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw
 222 dnl under Solaris 2.6 because it is some funky empty library.
 223 dnl So only link in libw if we have to.
 224 AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype))
 225
 226 dnl See if compiler supports "long long" type.
 227
 228 AC_MSG_CHECKING(for long long support in compiler)
 229 AC_CACHE_VAL(gdb_cv_c_long_long,
 230 [AC_TRY_COMPILE(, [
 231   extern long long foo;
 232   switch (foo & 2) { case 0: return 1; }
 233 ],
 234 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
 235 AC_MSG_RESULT($gdb_cv_c_long_long)
 236 if test $gdb_cv_c_long_long = yes; then
 237   AC_DEFINE(CC_HAS_LONG_LONG)
 238 fi
 239
 240 dnl See if the compiler and runtime support printing long long
 241
 242 AC_MSG_CHECKING(for long long support in printf)
 243 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
 244 [AC_TRY_RUN([
 245 int main () {
 246   char buf[32];
 247   long long l = 0;
 248   l = (l << 16) + 0x0123;
 249   l = (l << 16) + 0x4567;
 250   l = (l << 16) + 0x89ab;
 251   l = (l << 16) + 0xcdef;
 252   sprintf (buf, "0x%016llx", l);
 253   return (strcmp ("0x0123456789abcdef", buf));
 254 }],
 255 gdb_cv_printf_has_long_long=yes,
 256 gdb_cv_printf_has_long_long=no,
 257 gdb_cv_printf_has_long_long=no)])
 258 if test $gdb_cv_printf_has_long_long = yes; then
 259   AC_DEFINE(PRINTF_HAS_LONG_LONG)
 260 fi
 261 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
 262
 263 dnl See if compiler supports "long double" type.  Can't use AC_C_LONG_DOUBLE
 264 dnl because autoconf complains about cross-compilation issues.  However, this
 265 dnl code uses the same variables as the macro for compatibility.
 266
 267 AC_MSG_CHECKING(for long double support in compiler)
 268 AC_CACHE_VAL(ac_cv_c_long_double,
 269 [AC_TRY_COMPILE(, [long double foo;],
 270 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
 271 AC_MSG_RESULT($ac_cv_c_long_double)
 272 if test $ac_cv_c_long_double = yes; then
 273   AC_DEFINE(HAVE_LONG_DOUBLE)
 274 fi
 275
 276 dnl See if the compiler and runtime support printing long doubles
 277
 278 AC_MSG_CHECKING(for long double support in printf)
 279 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
 280 [AC_TRY_RUN([
 281 int main () {
 282   char buf[16];
 283   long double f = 3.141592653;
 284   sprintf (buf, "%Lg", f);
 285   return (strncmp ("3.14159", buf, 7));
 286 }],
 287 gdb_cv_printf_has_long_double=yes,
 288 gdb_cv_printf_has_long_double=no,
 289 gdb_cv_printf_has_long_double=no)])
 290 if test $gdb_cv_printf_has_long_double = yes; then
 291   AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
 292 fi
 293 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
 294
 295 dnl See if the compiler and runtime support scanning long doubles
 296
 297 AC_MSG_CHECKING(for long double support in scanf)
 298 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
 299 [AC_TRY_RUN([
 300 int main () {
 301   char *buf = "3.141592653";
 302   long double f = 0;
 303   sscanf (buf, "%Lg", &f);
 304   return !(f > 3.14159 && f < 3.14160);
 305 }],
 306 gdb_cv_scanf_has_long_double=yes,
 307 gdb_cv_scanf_has_long_double=no,
 308 gdb_cv_scanf_has_long_double=no)])
 309 if test $gdb_cv_scanf_has_long_double = yes; then
 310   AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
 311 fi
 312 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
 313
 314 AC_FUNC_MMAP
 315
 316 dnl See if thread_db library is around for Solaris thread debugging.  Note that
 317 dnl we must explicitly test for version 1 of the library because version 0
 318 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
 319
 320 dnl Note that we only want this if we are both native (host == target), and
 321 dnl not doing a canadian cross build (build == host).
 322
 323 if test ${build} = ${host} -a ${host} = ${target} ; then
 324    case ${host_os} in
 325    hpux*)
 326       AC_MSG_CHECKING(for HPUX/OSF thread support)
 327       if test -f /usr/include/dce/cma_config.h ; then
 328          if test "$GCC" = "yes" ; then
 329             AC_MSG_RESULT(yes)
 330             AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
 331             CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
 332             CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
 333          else
 334             AC_MSG_RESULT(no (suppressed because you are not using GCC))
 335          fi
 336       else
 337          AC_MSG_RESULT(no)
 338       fi
 339       ;;
 340    solaris*)
 341       AC_MSG_CHECKING(for Solaris thread debugging library)
 342       if test -f /usr/lib/libthread_db.so.1 ; then
 343          AC_MSG_RESULT(yes)
 344          AC_DEFINE(HAVE_THREAD_DB_LIB)
 345          CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
 346          CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
 347          AC_CHECK_LIB(dl, dlopen)
 348          if test "$GCC" = "yes" ; then
 349             # The GNU linker requires the -export-dynamic option to make
 350             # all symbols visible in the dynamic symbol table.
 351             hold_ldflags=$LDFLAGS
 352             AC_MSG_CHECKING(for the ld -export-dynamic flag)
 353             LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
 354             AC_TRY_LINK(, [int i;], found=yes, found=no)
 355             LDFLAGS=$hold_ldflags
 356             AC_MSG_RESULT($found)
 357             if test $found = yes; then
 358                CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
 359             fi
 360          fi
 361          # Sun randomly tweaked the prototypes in <proc_service.h>
 362          # at one point.
 363          AC_MSG_CHECKING(if <proc_service.h> is old)
 364          AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
 365             AC_TRY_COMPILE([
 366                 #include <proc_service.h>
 367                 ps_err_e ps_pdwrite
 368                     (struct ps_prochandle*, psaddr_t, const void*, size_t);
 369             ],, gdb_cv_proc_service_is_old=no,
 370                 gdb_cv_proc_service_is_old=yes)
 371          ])
 372          AC_MSG_RESULT($gdb_cv_proc_service_is_old)
 373          if test $gdb_cv_proc_service_is_old = yes; then
 374             AC_DEFINE(PROC_SERVICE_IS_OLD)
 375          fi
 376       else
 377          AC_MSG_RESULT(no)
 378       fi
 379       ;;
 380    esac
 381    AC_SUBST(CONFIG_LDFLAGS)
 382 fi
 383
 384 dnl Handle optional features that can be enabled.
 385
 386 dnl Handle MI sub-directory configury.
 387 AC_ARG_ENABLE(gdbmi,
 388 [  --enable-gdbmi            Enable GDB-MI interface],
 389 [
 390   case "${enable_gdbmi}" in
 391     yes | no) ;;
 392     "")  enable_gdbmi=yes ;;
 393     *)
 394       AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
 395     ;;
 396   esac
 397 ])
 398 case ${enable_gdbmi} in
 399   "yes" )
 400     if test -d "${srcdir}/mi" ; then
 401       CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"
 402       CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"
 403       CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_MI_SRCS)"
 404       CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"
 405       ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"
 406       CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"
 407       CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"
 408       CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"
 409       CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"
 410     fi
 411     ;;
 412 esac
 413
 414 AC_ARG_ENABLE(tui,
 415 [  --enable-tui            Enable full-screen terminal user interface],
 416 [
 417   case "${enable_tui}" in
 418     yes | no) ;;
 419     "")  enable_tui=yes ;;
 420     *)
 421       AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
 422     ;;
 423   esac
 424 ])
 425 case ${enable_tui} in
 426   "yes" )
 427     AC_DEFINE(TUI)
 428     BUILD_TUI=all-tui
 429     TUI_LIBRARY=tui/libtui.a
 430   ;;
 431   * )
 432     BUILD_TUI=
 433     TUI_LIBRARY=
 434   ;;
 435 esac
 436 AC_SUBST(BUILD_TUI)
 437 AC_SUBST(TUI_LIBRARY)
 438
 439 AC_ARG_ENABLE(netrom,
 440 [  --enable-netrom         Enable NetROM support],
 441 [case "${enableval}" in
 442 yes)    enable_netrom=yes ;;
 443 no)     enable_netrom=no ;;
 444 *)      AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
 445 esac])
 446
 447 if test "${enable_netrom}" = "yes"; then
 448         CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
 449         CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
 450 fi
 451
 452 AC_ARG_ENABLE(build-warnings,
 453 [  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
 454 [
 455 # not yet: -Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
 456 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs -Wformat -Wparentheses -Wpointer-arith"
 457 case "${enableval}" in
 458   yes)  ;;
 459   no)   build_warnings="-w";;
 460   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
 461         build_warnings="${build_warnings} ${t}";;
 462   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
 463         build_warnings="${t} ${build_warnings}";;
 464   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 465 esac
 466 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
 467   echo "Setting warning flags = $build_warnings" 6>&1
 468 fi
 469 WARN_CFLAGS=""
 470 WERROR_CFLAGS=""
 471 if test "x${build_warnings}" != x -a "x$GCC" = xyes
 472 then
 473   # Separate out the -Werror flag as some files just cannot be
 474   # compiled with it enabled.
 475   for w in ${build_warnings}; do
 476     case $w in
 477     -Werr*) WERROR_CFLAGS=-Werror ;;
 478     *) WARN_CFLAGS="${WARN_CFLAGS} $w"
 479     esac
 480   done
 481 fi],[build_warnings=""])dnl
 482
 483 AC_SUBST(WARN_CFLAGS)
 484 AC_SUBST(WERROR_CFLAGS)
 485
 486 MMALLOC_CFLAGS=
 487 MMALLOC=
 488 AC_SUBST(MMALLOC_CFLAGS)
 489 AC_SUBST(MMALLOC)
 490
 491 AC_ARG_WITH(mmalloc,
 492 [  --with-mmalloc          Use memory mapped malloc package],
 493 [case "${withval}" in
 494   yes)  want_mmalloc=true ;;
 495   no)   want_mmalloc=false;;
 496   *)    AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
 497 esac],[want_mmalloc=false])dnl
 498
 499 if test x$want_mmalloc = xtrue; then
 500    AC_DEFINE(USE_MMALLOC)
 501    AC_DEFINE(MMCHECK_FORCE)
 502    MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
 503    MMALLOC='../mmalloc/libmmalloc.a'
 504 fi
 505
 506
 507 # In the Cygwin environment, we need some additional flags.
 508 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
 509 [AC_EGREP_CPP(lose, [
 510 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
 511 lose
 512 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
 513
 514 DLLTOOL=${DLLTOOL-dlltool}
 515 WINDRES=${WINDRES-windres}
 516 AC_SUBST(DLLTOOL)
 517 AC_SUBST(WINDRES)
 518
 519 dnl Figure out which term library to use.
 520 if test x$gdb_host = xgo32; then
 521   TERM_LIB=
 522 else
 523 if test x$gdb_cv_os_cygwin = xyes; then
 524   TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
 525 else
 526   TERM_LIB=
 527   AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
 528     AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
 529       AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
 530         AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
 531           AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
 532             AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
 533
 534   if test "x$TERM_LIB" = x
 535   then
 536     AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
 537   fi
 538 fi
 539 fi
 540 AC_SUBST(TERM_LIB)
 541
 542 # libreadline needs libuser32.a in a cygwin environment
 543 WIN32LIBS=
 544 if test x$gdb_cv_os_cygwin = xyes; then
 545     WIN32LIBS="-luser32"
 546     case "${target}" in
 547         *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
 548         ;;
 549     esac
 550 fi
 551 AC_SUBST(WIN32LIBS)
 552
 553 LIBGUI="../libgui/src/libgui.a"
 554 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
 555 AC_SUBST(LIBGUI)
 556 AC_SUBST(GUI_CFLAGS_X)
 557
 558 AC_ARG_WITH(cpu,
 559 [  --with-cpu=CPU          Set the default CPU variant to debug],
 560 [case "${target}" in
 561   powerpc-* | powerpcle-* )
 562     ## It would be nice to keep this table in sync with the one in
 563     ## gcc/configure.
 564     case "${with_cpu}" in
 565       ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \
 566       | 604 | 750 )
 567         ## Those are all handled in variants in rs6000-tdep.c, so they're fine.
 568       ;;
 569       common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )
 570         ## These are all RS6000 variants, as far as GDB is concerned.
 571         with_cpu=rs6000
 572       ;;
 573       603e | ec603e )
 574         with_cpu=603
 575       ;;
 576       604e )
 577         with_cpu=604
 578       ;;
 579       * )
 580         AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)
 581         with_cpu=ppc-uisa
 582       ;;
 583     esac
 584   ;;
 585   * )
 586     AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)
 587   ;;
 588 esac
 589 AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
 590 ],)
 591
 592
 593 AC_ARG_ENABLE(gdbtk,
 594 [  --enable-gdbtk          Enable GDBTK GUI front end],
 595 [case "${enableval}" in
 596     yes)
 597         case "$host" in
 598         *go32*)
 599             AC_MSG_WARN([GDB does not support GDBtk on host ${host}.  GDBtk will be disabled.])
 600             enable_gdbtk=no ;;
 601         *windows*)
 602             AC_MSG_WARN([GDB does not support GDBtk on host ${host}.  GDBtk will be disabled.])
 603             enable_gdbtk=no ;;
 604         *)
 605             enable_gdbtk=yes ;;
 606         esac ;;
 607     no)
 608         enable_gdbtk=no  ;;
 609     *)
 610         AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
 611 esac],
 612 [
 613 # Default is on for everything but go32 and Cygwin
 614 case "$host" in
 615     *go32* | *windows*)
 616         ;;
 617     *)
 618         if test -d "${srcdir}/gdbtk" ; then
 619             enable_gdbtk=yes
 620         fi
 621         ;;
 622 esac
 623 ])
 624
 625 WIN32LDAPP=
 626 AC_SUBST(WIN32LIBS)
 627 AC_SUBST(WIN32LDAPP)
 628
 629 configdir="unix"
 630
 631 GDBTKLIBS=
 632 if test "${enable_gdbtk}" = "yes"; then
 633
 634     CY_AC_PATH_TCLCONFIG
 635     if test -z "${no_tcl}"; then
 636         CY_AC_LOAD_TCLCONFIG
 637         CY_AC_PATH_TKCONFIG
 638
 639         # If $no_tk is nonempty, then we can't do Tk, and there is no
 640         # point to doing Tcl.
 641         if test -z "${no_tk}"; then
 642            CY_AC_LOAD_TKCONFIG
 643            CY_AC_PATH_TCLH
 644            CY_AC_PATH_TKH
 645            CY_AC_PATH_ITCLH
 646            CY_AC_PATH_ITKH
 647            CY_AC_PATH_TIXH
 648
 649            # now look for Itcl library stuff
 650
 651            CY_AC_PATH_ITCLCONFIG
 652            if test -z "${no_itcl}"; then
 653              CY_AC_LOAD_ITCLCONFIG
 654              case "${host}" in
 655              *-*-cygwin*)
 656                 itcldir=../itcl/itcl/win/
 657                 ;;
 658              *)
 659                 itcldir=../itcl/itcl/unix/
 660                 ;;
 661              esac
 662
 663
 664              ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
 665              ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
 666            fi
 667
 668
 669            # now look for Itk library stuff
 670            CY_AC_PATH_ITKCONFIG
 671            if test -z "${no_itcl}"; then
 672              CY_AC_LOAD_ITKCONFIG
 673
 674              case "${host}" in
 675                *-*-cygwin*)
 676                  itkdir=../itcl/itk/win/
 677                  ;;
 678                *)
 679                  itkdir=../itcl/itk/unix/
 680                  ;;
 681                esac
 682
 683              ITKLIB="${ITK_BUILD_LIB_SPEC}"
 684              ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
 685            fi
 686
 687            # now look for Tix library stuff
 688            CY_AC_PATH_TIXCONFIG
 689            if test -z "${no_tix}"; then
 690              CY_AC_LOAD_TIXCONFIG
 691              TIXLIB="${TIX_BUILD_LIB_SPEC}"
 692              TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
 693            fi
 694
 695            ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"
 696            # Tcl/Tk 8.1 require -fwritable strings.  I don't
 697            # know whether 8.2 will or not, but I bet it will.
 698            # I don't have to worry about 7.x since we don't support it.
 699            GDBTK_CFLAGS=""
 700            if test "$GCC" = "yes"; then
 701                if test "$TCL_VERSION" != "8.0" ; then
 702                    GDBTK_CFLAGS="-fwritable-strings"
 703                fi
 704            fi
 705
 706            # Include some libraries that Tcl and Tk want.
 707            TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
 708            CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
 709            # Yes, the ordering seems wrong here.  But it isn't.
 710            # TK_LIBS is the list of libraries that need to be linked
 711            # after Tcl/Tk.  Note that this isn't put into LIBS.  If it
 712            # were in LIBS then any link tests after this point would
 713            # try to include things like `$(LIBGUI)', which wouldn't work.
 714            GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
 715            CONFIG_SRCS="${CONFIG_SRCS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"
 716            CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"
 717            CONFIG_INITS="${CONFIG_INITS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"
 718            CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
 719            CONFIG_CLEAN="${CONFIG_ALL} \$(SUBDIR_GDBTK_CLEAN)"
 720            CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
 721            CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
 722
 723            if test x$gdb_cv_os_cygwin = xyes; then
 724               WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
 725               WIN32LDAPP="-Wl,--subsystem,console"
 726               CONFIG_OBS="${CONFIG_OBS} gdbres.o"
 727            fi
 728         fi
 729     fi
 730 fi
 731
 732 AC_SUBST(X_CFLAGS)
 733 AC_SUBST(X_LDFLAGS)
 734 AC_SUBST(X_LIBS)
 735 AC_SUBST(ITCLLIB)
 736 AC_SUBST(ITCL_DEPS)
 737 AC_SUBST(ITKLIB)
 738 AC_SUBST(ITK_DEPS)
 739 AC_SUBST(TIXLIB)
 740 AC_SUBST(TIX_DEPS)
 741 AC_SUBST(GDBTKLIBS)
 742 AC_SUBST(GDBTK_CFLAGS)
 743
 744 AC_PATH_X
 745
 746
 747 # Unlike the sim directory, whether a simulator is linked is controlled by
 748 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
 749 # This code just checks for a few cases where we'd like to ignore those
 750 # definitions, even when they're present in the '.mt' file.  These cases
 751 # are when --disable-sim is specified, or if the simulator directory is
 752 # not part of the soruce tree.
 753 #
 754 AC_ARG_ENABLE(sim,
 755 [  --enable-sim            Link gdb with simulator],
 756 [echo "enable_sim = $enable_sim";
 757  echo "enableval = ${enableval}";
 758  case "${enableval}" in
 759   yes) ignore_sim=false ;;
 760   no)  ignore_sim=true ;;
 761   *)   ignore_sim=false ;;
 762  esac],
 763 [ignore_sim=false])
 764
 765 if test ! -d "${srcdir}/../sim"; then
 766   ignore_sim=true
 767 fi
 768
 769 if test "${ignore_sim}" = "true"; then
 770     IGNORE_SIM="SIM="
 771     IGNORE_SIM_OBS="SIM_OBS="
 772 else
 773     IGNORE_SIM=""
 774     IGNORE_SIM_OBS=""
 775     AC_DEFINE(WITH_SIM)
 776 fi
 777 AC_SUBST(IGNORE_SIM)
 778 AC_SUBST(IGNORE_SIM_OBS)
 779
 780 AC_SUBST(ENABLE_CFLAGS)
 781
 782 AC_SUBST(CONFIG_OBS)
 783 AC_SUBST(CONFIG_DEPS)
 784 AC_SUBST(CONFIG_SRCS)
 785 AC_SUBST(CONFIG_INITS)
 786 AC_SUBST(CONFIG_ALL)
 787 AC_SUBST(CONFIG_CLEAN)
 788 AC_SUBST(CONFIG_INSTALL)
 789 AC_SUBST(CONFIG_UNINSTALL)
 790
 791 # Begin stuff to support --enable-shared
 792 AC_ARG_ENABLE(shared,
 793 [  --enable-shared         Use shared libraries],
 794 [case "${enableval}" in
 795   yes) shared=true ;;
 796   no)  shared=false ;;
 797   *) shared=true ;;
 798 esac])dnl
 799
 800 HLDFLAGS=
 801 HLDENV=
 802 # If we have shared libraries, try to set rpath reasonably.
 803 if test "${shared}" = "true"; then
 804   case "${host}" in
 805   *-*-hpux*)
 806     HLDFLAGS='-Wl,+s,+b,$(libdir)'
 807     ;;
 808   *-*-irix5* | *-*-irix6*)
 809     HLDFLAGS='-Wl,-rpath,$(libdir)'
 810     ;;
 811   *-*-linux*aout*)
 812     ;;
 813   *-*-linux* | *-pc-linux-gnu*)
 814     HLDFLAGS='-Wl,-rpath,$(libdir)'
 815     ;;
 816   *-*-solaris*)
 817     HLDFLAGS='-R $(libdir)'
 818     ;;
 819   *-*-sysv4*)
 820     HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;'
 821     ;;
 822   esac
 823 fi
 824
 825 # On SunOS, if the linker supports the -rpath option, use it to
 826 # prevent ../bfd and ../opcodes from being included in the run time
 827 # search path.
 828 case "${host}" in
 829   *-*-sunos*)
 830     echo 'main () { }' > conftest.c
 831     ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
 832     if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
 833       :
 834     elif grep 'No such file' conftest.t >/dev/null 2>&1; then
 835       :
 836     elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
 837       :
 838     elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
 839       :
 840     elif test "${shared}" = "true"; then
 841       HLDFLAGS='-Wl,-rpath=$(libdir)'
 842     else
 843       HLDFLAGS='-Wl,-rpath='
 844     fi
 845     rm -f conftest.t conftest.c conftest
 846     ;;
 847 esac
 848 AC_SUBST(HLDFLAGS)
 849 AC_SUBST(HLDENV)
 850 # End stuff to support --enable-shared
 851
 852 # target_subdir is used by the testsuite to find the target libraries.
 853 target_subdir=
 854 if test "${host}" != "${target}"; then
 855     target_subdir="${target_alias}/"
 856 fi
 857 AC_SUBST(target_subdir)
 858
 859 frags=
 860 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
 861 if test ! -f ${host_makefile_frag}; then
 862 AC_MSG_ERROR("*** Gdb does not support host ${host}")
 863 fi
 864 frags="$frags $host_makefile_frag"
 865
 866 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
 867 if test ! -f ${target_makefile_frag}; then
 868 AC_MSG_ERROR("*** Gdb does not support target ${target}")
 869 fi
 870 frags="$frags $target_makefile_frag"
 871
 872 AC_SUBST_FILE(host_makefile_frag)
 873 AC_SUBST_FILE(target_makefile_frag)
 874 AC_SUBST(frags)
 875
 876 changequote(,)dnl
 877 hostfile=`sed -n '
 878 s/XM_FILE[      ]*=[    ]*\([^  ]*\)/\1/p
 879 ' ${host_makefile_frag}`
 880
 881 targetfile=`sed -n '
 882 s/TM_FILE[      ]*=[    ]*\([^  ]*\)/\1/p
 883 ' ${target_makefile_frag}`
 884
 885 # these really aren't orthogonal true/false values of the same condition,
 886 # but shells are slow enough that I like to reuse the test conditions
 887 # whenever possible
 888 if test "${target}" = "${host}"; then
 889 nativefile=`sed -n '
 890 s/NAT_FILE[     ]*=[    ]*\([^  ]*\)/\1/p
 891 ' ${host_makefile_frag}`
 892 # else
 893 # GDBserver is only useful in a "native" enviroment
 894 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
 895 fi
 896 changequote([,])
 897
 898 SUBDIRS="doc testsuite nlm"
 899 if test "${enable_multi_ice}" = "yes"; then
 900   SUBDIRS="${SUBDIRS} multi-ice"
 901 fi
 902
 903 AC_SUBST(SUBDIRS)
 904
 905 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
 906 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
 907 # corresponding links.  But we have to remove the xm.h files and tm.h
 908 # files anyway, e.g. when switching from "configure host" to
 909 # "configure none".
 910
 911 files=
 912 links=
 913 rm -f xm.h
 914 if test "${hostfile}" != ""; then
 915 files="${files} config/${gdb_host_cpu}/${hostfile}"
 916 links="${links} xm.h"
 917 fi
 918 rm -f tm.h
 919 if test "${targetfile}" != ""; then
 920 files="${files} config/${gdb_target_cpu}/${targetfile}"
 921 links="${links} tm.h"
 922 fi
 923 rm -f nm.h
 924 if test "${nativefile}" != ""; then
 925 files="${files} config/${gdb_host_cpu}/${nativefile}"
 926 links="${links} nm.h"
 927 else
 928 # A cross-only configuration.
 929 files="${files} config/nm-empty.h"
 930 links="${links} nm.h"
 931 fi
 932 AC_PROG_LN_S
 933
 934 AC_LINK_FILES($files, $links)
 935
 936 dnl Check for exe extension set on certain hosts (e.g. Win32)
 937 AC_EXEEXT
 938
 939 AC_CONFIG_SUBDIRS($configdirs)
 940 AC_OUTPUT(Makefile tui/Makefile .gdbinit:gdbinit.in,
 941 [
 942 dnl Autoconf doesn't provide a mechanism for modifying definitions
 943 dnl provided by makefile fragments.
 944 dnl
 945 if test "${nativefile}" = ""; then
 946 sed -e '/^NATDEPFILES[[         ]]*=[[  ]]*/s//# NATDEPFILES=/' \
 947         < Makefile > Makefile.tem
 948 mv -f Makefile.tem Makefile
 949 fi
 950
 951 changequote(,)dnl
 952 sed -e '/^TM_FILE[      ]*=/s,^TM_FILE[         ]*=[    ]*,&config/'"${gdb_target_cpu}"'/,
 953 /^XM_FILE[      ]*=/s,^XM_FILE[         ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,
 954 /^NAT_FILE[     ]*=/s,^NAT_FILE[        ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
 955 mv -f Makefile.tmp Makefile
 956 changequote([,])dnl
 957
 958
 959 case x$CONFIG_HEADERS in
 960 xconfig.h:config.in)
 961 echo > stamp-h ;;
 962 esac
 963 ],
 964 [
 965 gdb_host_cpu=$gdb_host_cpu
 966 gdb_target_cpu=$gdb_target_cpu
 967 nativefile=$nativefile
 968 ])
 969
 970 exit 0