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 DLLTOOL=${DLLTOOL-dlltool}
  32 AC_SUBST(DLLTOOL)
  33
  34 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
  35 AC_CANONICAL_SYSTEM
  36
  37 dnl gdb doesn't use gettext, but bfd does.  We call this to ensure we
  38 dnl link with the correct libraries.
  39 ALL_LINGUAS=
  40 CY_GNU_GETTEXT
  41
  42 dnl List of object files added by configure.
  43
  44 CONFIG_OBS=
  45 CONFIG_DEPS=
  46 CONFIG_SRCS=
  47
  48 configdirs="doc testsuite"
  49
  50 dnl
  51 changequote(,)dnl
  52
  53 . ${srcdir}/configure.host
  54
  55 . ${srcdir}/configure.tgt
  56
  57 dnl
  58 changequote([,])dnl
  59
  60 AC_PROG_INSTALL
  61 AC_CHECK_TOOL(AR, ar)
  62 AC_CHECK_TOOL(RANLIB, ranlib, :)
  63 AC_PROG_YACC
  64 AC_PROG_AWK
  65
  66 AC_ARG_PROGRAM
  67
  68 AC_TYPE_SIGNAL
  69
  70 AC_HEADER_STDC
  71 AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
  72 AC_HEADER_STAT
  73
  74 AC_C_CONST
  75
  76 AC_CHECK_FUNCS(setpgid sbrk select poll sigaction)
  77 AC_FUNC_ALLOCA
  78
  79 # If we are configured native on GNU/Linux, work around problems with sys/procfs.h
  80 if test "${target}" = "${host}"; then
  81   case "${host}" in
  82   i[[3456]]86-*-linux*)
  83         AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
  84         AC_DEFINE(sys_quotactl)
  85         ;;
  86   esac
  87 fi
  88
  89 AC_MSG_CHECKING([for gregset_t type])
  90 AC_CACHE_VAL(gdb_cv_have_gregset_t,
  91 [AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
  92 gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
  93 AC_MSG_RESULT($gdb_cv_have_gregset_t)
  94 if test $gdb_cv_have_gregset_t = yes; then
  95   AC_DEFINE(HAVE_GREGSET_T)
  96 fi
  97
  98 AC_MSG_CHECKING([for fpregset_t type])
  99 AC_CACHE_VAL(gdb_cv_have_fpregset_t,
 100 [AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
 101 gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
 102 AC_MSG_RESULT($gdb_cv_have_fpregset_t)
 103 if test $gdb_cv_have_fpregset_t = yes; then
 104   AC_DEFINE(HAVE_FPREGSET_T)
 105 fi
 106
 107 dnl See if host has libm.  This is usually needed by simulators.
 108 AC_CHECK_LIB(m, main)
 109
 110 dnl See if compiler supports "long long" type.
 111
 112 AC_MSG_CHECKING(for long long support in compiler)
 113 AC_CACHE_VAL(gdb_cv_c_long_long,
 114 [AC_TRY_COMPILE(, [
 115   extern long long foo;
 116   switch (foo & 2) { case 0: return 1; }
 117 ],
 118 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
 119 AC_MSG_RESULT($gdb_cv_c_long_long)
 120 if test $gdb_cv_c_long_long = yes; then
 121   AC_DEFINE(CC_HAS_LONG_LONG)
 122 fi
 123
 124 dnl See if the compiler and runtime support printing long long
 125
 126 AC_MSG_CHECKING(for long long support in printf)
 127 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
 128 [AC_TRY_RUN([
 129 int main () {
 130   char buf[32];
 131   long long l = 0;
 132   l = (l << 16) + 0x0123;
 133   l = (l << 16) + 0x4567;
 134   l = (l << 16) + 0x89ab;
 135   l = (l << 16) + 0xcdef;
 136   sprintf (buf, "0x%016llx", l);
 137   return (strcmp ("0x0123456789abcdef", buf));
 138 }],
 139 gdb_cv_printf_has_long_long=yes,
 140 gdb_cv_printf_has_long_long=no,
 141 gdb_cv_printf_has_long_long=no)])
 142 if test $gdb_cv_printf_has_long_long = yes; then
 143   AC_DEFINE(PRINTF_HAS_LONG_LONG)
 144 fi
 145 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
 146
 147 dnl See if compiler supports "long double" type.  Can't use AC_C_LONG_DOUBLE
 148 dnl because autoconf complains about cross-compilation issues.  However, this
 149 dnl code uses the same variables as the macro for compatibility.
 150
 151 AC_MSG_CHECKING(for long double support in compiler)
 152 AC_CACHE_VAL(ac_cv_c_long_double,
 153 [AC_TRY_COMPILE(, [long double foo;],
 154 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
 155 AC_MSG_RESULT($ac_cv_c_long_double)
 156 if test $ac_cv_c_long_double = yes; then
 157   AC_DEFINE(HAVE_LONG_DOUBLE)
 158 fi
 159
 160 dnl See if the compiler and runtime support printing long doubles
 161
 162 AC_MSG_CHECKING(for long double support in printf)
 163 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
 164 [AC_TRY_RUN([
 165 int main () {
 166   char buf[16];
 167   long double f = 3.141592653;
 168   sprintf (buf, "%Lg", f);
 169   return (strncmp ("3.14159", buf, 7));
 170 }],
 171 gdb_cv_printf_has_long_double=yes,
 172 gdb_cv_printf_has_long_double=no,
 173 gdb_cv_printf_has_long_double=no)])
 174 if test $gdb_cv_printf_has_long_double = yes; then
 175   AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
 176 fi
 177 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
 178
 179 dnl See if the compiler and runtime support scanning long doubles
 180
 181 AC_MSG_CHECKING(for long double support in scanf)
 182 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
 183 [AC_TRY_RUN([
 184 int main () {
 185   char *buf = "3.141592653";
 186   long double f = 0;
 187   sscanf (buf, "%Lg", &f);
 188   return !(f > 3.14159 && f < 3.14160);
 189 }],
 190 gdb_cv_scanf_has_long_double=yes,
 191 gdb_cv_scanf_has_long_double=no,
 192 gdb_cv_scanf_has_long_double=no)])
 193 if test $gdb_cv_scanf_has_long_double = yes; then
 194   AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
 195 fi
 196 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
 197
 198 AC_FUNC_MMAP
 199
 200 BFD_NEED_DECLARATION(malloc)
 201 BFD_NEED_DECLARATION(realloc)
 202 BFD_NEED_DECLARATION(free)
 203
 204 BFD_NEED_DECLARATION(strerror)
 205
 206 dnl See if thread_db library is around for Solaris thread debugging.  Note that
 207 dnl we must explicitly test for version 1 of the library because version 0
 208 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
 209
 210 dnl Note that we only want this if we are both native (host == target), and
 211 dnl not doing a canadian cross build (build == host).
 212
 213 if test ${build} = ${host} -a ${host} = ${target} ; then
 214    case ${host_os} in
 215    hpux*)
 216       AC_MSG_CHECKING(for HPUX/OSF thread support)
 217       if test -f /usr/include/dce/cma_config.h ; then
 218          if test "$GCC" = "yes" ; then
 219             AC_MSG_RESULT(yes)
 220             AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
 221             CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
 222             CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
 223          else
 224             AC_MSG_RESULT(no (suppressed because you are not using GCC))
 225          fi
 226       else
 227          AC_MSG_RESULT(no)
 228       fi
 229       ;;
 230    solaris*)
 231       AC_MSG_CHECKING(for Solaris thread debugging library)
 232       if test -f /usr/lib/libthread_db.so.1 ; then
 233          AC_MSG_RESULT(yes)
 234          AC_DEFINE(HAVE_THREAD_DB_LIB)
 235          CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
 236          CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
 237          AC_CHECK_LIB(dl, dlopen)
 238          if test "$GCC" = "yes" ; then
 239             # The GNU linker requires the -export-dynamic option to make
 240             # all symbols visible in the dynamic symbol table.
 241             hold_ldflags=$LDFLAGS
 242             AC_MSG_CHECKING(for the ld -export-dynamic flag)
 243             LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
 244             AC_TRY_LINK(, [int i;], found=yes, found=no)
 245             LDFLAGS=$hold_ldflags
 246             AC_MSG_RESULT($found)
 247             if test $found = yes; then
 248                CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
 249             fi
 250          fi
 251       else
 252          AC_MSG_RESULT(no)
 253       fi
 254       ;;
 255    esac
 256    AC_SUBST(CONFIG_LDFLAGS)
 257 fi
 258
 259 dnl Handle optional features that can be enabled.
 260 ENABLE_CFLAGS=
 261
 262 AC_ARG_ENABLE(netrom,
 263 [  --enable-netrom ],
 264 [case "${enableval}" in
 265 yes)    enable_netrom=yes ;;
 266 no)     enable_netrom=no ;;
 267 *)      AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
 268 esac])
 269
 270 if test "${enable_netrom}" = "yes"; then
 271         CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
 272         CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
 273 fi
 274
 275 MMALLOC_CFLAGS=
 276 MMALLOC=
 277 AC_SUBST(MMALLOC_CFLAGS)
 278 AC_SUBST(MMALLOC)
 279
 280 AC_ARG_WITH(mmalloc,
 281 [  --with-mmalloc             use memory mapped malloc package],
 282 [case "${withval}" in
 283   yes)  want_mmalloc=true ;;
 284   no)   want_mmalloc=false;;
 285   *)    AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
 286 esac],[want_mmalloc=false])dnl
 287
 288 if test x$want_mmalloc = xtrue; then
 289    AC_DEFINE(USE_MMALLOC)
 290    AC_DEFINE(MMCHECK_FORCE)
 291    MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
 292    MMALLOC='../mmalloc/libmmalloc.a'
 293 fi
 294
 295 # start-sanitize-gdbtk
 296 ENABLE_IDE=
 297 AC_ARG_ENABLE(ide, [  --enable-ide            Enable IDE support])
 298 if test "$enable_ide" = yes; then
 299    enable_ide=yes
 300    ENABLE_IDE=1
 301 else
 302    enable_ide=no
 303 fi
 304 AC_SUBST(ENABLE_IDE)
 305
 306 ENABLE_GDBTK=
 307
 308 AC_ARG_ENABLE(gdbtk,
 309 [  --enable-gdbtk ],
 310 [case "${enableval}" in
 311     yes)
 312         case "$host" in
 313         *go32*)
 314             AC_MSG_WARN([GDB does not support GDBtk on host ${host}.  GDBtk will be disabled.])
 315             enable_gdbtk=no ;;
 316         *windows*)
 317             AC_MSG_WARN([GDB does not support GDBtk on host ${host}.  GDBtk will be disabled.])
 318             enable_gdbtk=no ;;
 319         *)
 320             enable_gdbtk=yes ;;
 321         esac ;;
 322     no)
 323         enable_gdbtk=no  ;;
 324     *)
 325         AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
 326 esac],
 327 [
 328 # Default is on for everything but go32 and cygwin32
 329 case "$host" in
 330     *go32* | *windows*)
 331         ;;
 332     *)
 333         enable_gdbtk=yes ;;
 334     esac
 335 ])
 336
 337 # In the cygwin32 environment, we need some additional flags.
 338 AC_CACHE_CHECK([for cygwin32], gdb_cv_os_cygwin32,
 339 [AC_EGREP_CPP(lose, [
 340 #ifdef __CYGWIN32__
 341 lose
 342 #endif],[gdb_cv_os_cygwin32=yes],[gdb_cv_os_cygwin32=no])])
 343
 344 WIN32LIBS=
 345 WIN32LDAPP=
 346 AC_SUBST(WIN32LIBS)
 347 AC_SUBST(WIN32LDAPP)
 348
 349 WINDRES=${WINDRES-windres}
 350 AC_SUBST(WINDRES)
 351
 352 if test x$gdb_cv_os_cygwin32 = xyes; then
 353     if test x$enable_ide = xyes; then
 354         WIN32LIBS="-ladvapi32"
 355     fi
 356 fi
 357
 358 configdir="unix"
 359
 360 GDBTKLIBS=
 361 if test "${enable_gdbtk}" = "yes"; then
 362
 363     CY_AC_PATH_TCLCONFIG
 364     if test -z "${no_tcl}"; then
 365         CY_AC_LOAD_TCLCONFIG
 366         CY_AC_PATH_TKCONFIG
 367
 368         # If $no_tk is nonempty, then we can't do Tk, and there is no
 369         # point to doing Tcl.
 370         if test -z "${no_tk}"; then
 371            CY_AC_LOAD_TKCONFIG
 372            CY_AC_PATH_TCLH
 373            CY_AC_PATH_TKH
 374            CY_AC_PATH_ITCLH
 375            CY_AC_PATH_TIX
 376
 377            # now look for tix library stuff
 378            TIXVERSION=4.1.8.0
 379            . ${ac_cv_c_tclconfig}/tclConfig.sh
 380            case "${host}" in
 381            *-*-cygwin32*)
 382                 tixdir=../tix/win/tcl8.0
 383                 ;;
 384            *)
 385                 tixdir=../tix/unix/tk8.0
 386                 ;;
 387            esac
 388            if test "${TCL_SHARED_BUILD}" = "1"; then
 389                 TIX_LIB_EXT="${TCL_SHLIB_SUFFIX}"
 390
 391                 # Can't win them all: SunOS 4 (others?) appends a version
 392                 # number after the ".so"
 393                 case "${host}" in
 394                 *-*-sunos4*)
 395                     TIX_LIB_EXT="${TIX_LIB_EXT}.1.0" ;;
 396                 esac
 397
 398            else
 399                 TIX_LIB_EXT=".a"
 400            fi
 401
 402            if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
 403                 TIXLIB="-L${tixdir} -ltix${TIXVERSION}"
 404                 TIX_DEPS="${tixdir}/libtix${TIXVERSION}${TIX_LIB_EXT}"
 405            else
 406                 TIXLIB="-L${tixdir} -ltix`echo ${TIXVERSION} | tr -d .`"
 407                 TIX_DEPS="${tixdir}/libtix`echo ${TIXVERSION} | tr -d .`${TIX_LIB_EXT}"
 408            fi
 409
 410            ENABLE_GDBTK=1
 411
 412            # Include some libraries that Tcl and Tk want.
 413            if test "${enable_ide}" = "yes"; then
 414               TCL_LIBS='$(LIBIDETCL) $(LIBIDE) $(LIBGUI) $(IDE) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
 415               CONFIG_DEPS='$(LIBIDETCL) $(LIBIDE) $(LIBGUI) $(IDE_DEPS) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
 416            else
 417               TCL_LIBS='$(LIBGUI) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
 418               CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
 419            fi
 420            # Yes, the ordering seems wrong here.  But it isn't.
 421            # TK_LIBS is the list of libraries that need to be linked
 422            # after Tcl/Tk.  Note that this isn't put into LIBS.  If it
 423            # were in LIBS then any link tests after this point would
 424            # try to include things like `$(LIBGUI)', which wouldn't work.
 425            GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
 426            CONFIG_OBS="${CONFIG_OBS} gdbtk.o"
 427
 428            if test x$gdb_cv_os_cygwin32 = xyes; then
 429               WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32 -luser32"
 430               WIN32LDAPP="-Wl,--subsystem,windows"
 431               CONFIG_OBS="${CONFIG_OBS} gdbres.o"
 432            fi
 433         fi
 434     fi
 435 fi
 436
 437 AC_SUBST(ENABLE_GDBTK)
 438 AC_SUBST(X_CFLAGS)
 439 AC_SUBST(X_LDFLAGS)
 440 AC_SUBST(X_LIBS)
 441 AC_SUBST(TIXLIB)
 442 AC_SUBST(TIX_DEPS)
 443 AC_SUBST(GDBTKLIBS)
 444 # end-sanitize-gdbtk
 445
 446 AC_PATH_X
 447 # start-sanitize-sky
 448 # Enable GPU2 library for MIPS simulator
 449 AC_ARG_WITH(sim-gpu2,
 450 [  --with-sim-gpu2=path                 Use GPU2 library under given directory],
 451 [case "${target}" in
 452   mips*-sky-*)
 453     if test -d "${withval}"
 454     then
 455       LIBS="${LIBS} -L${withval}/lib -lgpu2 -L${x_libraries} -lX11"
 456     else
 457       AC_MSG_WARN([Directory ${withval} does not exist.])
 458     fi ;;
 459   *)  AC_MSG_WARN([--with-sim-gpu2 option invalid for target ${target}])
 460 esac])dnl
 461
 462 # Enable target accurate FP library
 463 AC_ARG_WITH(sim-funit,
 464 [  --with-sim-funit=path                Use target FP lib under given directory],
 465 [case "${target}" in
 466   mips*-sky-*)
 467     if test -d "${withval}"
 468     then
 469       LIBS="${LIBS} -L${withval}/lib -lfunit"
 470     else
 471       AC_MSG_WARN([Directory ${withval} does not exist.])
 472     fi ;;
 473   *)  AC_MSG_WARN([--with-sim-funit option invalid for target ${target}])
 474 esac])dnl
 475 # end-sanitize-sky
 476
 477 AC_SUBST(ENABLE_CFLAGS)
 478
 479 AC_SUBST(CONFIG_OBS)
 480 AC_SUBST(CONFIG_DEPS)
 481 AC_SUBST(CONFIG_SRCS)
 482
 483 # Begin stuff to support --enable-shared
 484 AC_ARG_ENABLE(shared,
 485 [  --enable-shared         use shared libraries],
 486 [case "${enableval}" in
 487   yes) shared=true ;;
 488   no)  shared=false ;;
 489   *) shared=true ;;
 490 esac])dnl
 491
 492 HLDFLAGS=
 493 HLDENV=
 494 # If we have shared libraries, try to set rpath reasonably.
 495 if test "${shared}" = "true"; then
 496   case "${host}" in
 497   *-*-hpux*)
 498     HLDFLAGS='-Wl,+s,+b,$(libdir)'
 499     ;;
 500   *-*-irix5* | *-*-irix6*)
 501     HLDFLAGS='-Wl,-rpath,$(libdir)'
 502     ;;
 503   *-*-linux*aout*)
 504     ;;
 505   *-*-linux* | *-pc-linux-gnu)
 506     HLDFLAGS='-Wl,-rpath,$(libdir)'
 507     ;;
 508   *-*-solaris*)
 509     HLDFLAGS='-R $(libdir)'
 510     ;;
 511   *-*-sysv4*)
 512     HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;'
 513     ;;
 514   esac
 515 fi
 516
 517 # On SunOS, if the linker supports the -rpath option, use it to
 518 # prevent ../bfd and ../opcodes from being included in the run time
 519 # search path.
 520 case "${host}" in
 521   *-*-sunos*)
 522     echo 'main () { }' > conftest.c
 523     ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
 524     if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
 525       :
 526     elif grep 'No such file' conftest.t >/dev/null 2>&1; then
 527       :
 528     elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
 529       :
 530     elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
 531       :
 532     elif test "${shared}" = "true"; then
 533       HLDFLAGS='-Wl,-rpath=$(libdir)'
 534     else
 535       HLDFLAGS='-Wl,-rpath='
 536     fi
 537     rm -f conftest.t conftest.c conftest
 538     ;;
 539 esac
 540 AC_SUBST(HLDFLAGS)
 541 AC_SUBST(HLDENV)
 542 # End stuff to support --enable-shared
 543
 544 # target_subdir is used by the testsuite to find the target libraries.
 545 target_subdir=
 546 if test "${host}" != "${target}"; then
 547     target_subdir="${target_alias}/"
 548 fi
 549 AC_SUBST(target_subdir)
 550
 551 frags=
 552 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
 553 if test ! -f ${host_makefile_frag}; then
 554 AC_MSG_ERROR("*** Gdb does not support host ${host}")
 555 fi
 556 frags="$frags $host_makefile_frag"
 557
 558 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
 559 if test ! -f ${target_makefile_frag}; then
 560 AC_MSG_ERROR("*** Gdb does not support target ${target}")
 561 fi
 562 frags="$frags $target_makefile_frag"
 563
 564 AC_SUBST_FILE(host_makefile_frag)
 565 AC_SUBST_FILE(target_makefile_frag)
 566 AC_SUBST(frags)
 567
 568 changequote(,)dnl
 569 hostfile=`sed -n '
 570 s/XM_FILE[      ]*=[    ]*\([^  ]*\)/\1/p
 571 ' ${host_makefile_frag}`
 572
 573 targetfile=`sed -n '
 574 s/TM_FILE[      ]*=[    ]*\([^  ]*\)/\1/p
 575 ' ${target_makefile_frag}`
 576
 577 # these really aren't orthogonal true/false values of the same condition,
 578 # but shells are slow enough that I like to reuse the test conditions
 579 # whenever possible
 580 if test "${target}" = "${host}"; then
 581 nativefile=`sed -n '
 582 s/NAT_FILE[     ]*=[    ]*\([^  ]*\)/\1/p
 583 ' ${host_makefile_frag}`
 584 # else
 585 # GDBserver is only useful in a "native" enviroment
 586 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
 587 fi
 588 changequote([,])
 589
 590 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
 591 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
 592 # corresponding links.  But we have to remove the xm.h files and tm.h
 593 # files anyway, e.g. when switching from "configure host" to
 594 # "configure none".
 595
 596 files=
 597 links=
 598 rm -f xm.h
 599 if test "${hostfile}" != ""; then
 600 files="${files} config/${gdb_host_cpu}/${hostfile}"
 601 links="${links} xm.h"
 602 fi
 603 rm -f tm.h
 604 if test "${targetfile}" != ""; then
 605 files="${files} config/${gdb_target_cpu}/${targetfile}"
 606 links="${links} tm.h"
 607 fi
 608 rm -f nm.h
 609 if test "${nativefile}" != ""; then
 610 files="${files} config/${gdb_host_cpu}/${nativefile}"
 611 links="${links} nm.h"
 612 else
 613 # A cross-only configuration.
 614 files="${files} config/nm-empty.h"
 615 links="${links} nm.h"
 616 fi
 617 # start-sanitize-gdbtk
 618 AC_PROG_LN_S
 619 # Make it possible to use the GUI without doing a full install
 620 if test "${enable_gdbtk}" = "yes" -a ! -d gdbtcl ; then
 621   if test "$LN_S" = "ln -s" -a ! -f gdbtcl ; then
 622   echo linking $srcdir/gdbtcl to gdbtcl
 623   $LN_S $srcdir/gdbtcl gdbtcl
 624   else
 625   echo Warning: Unable to link $srcdir/gdbtcl to gdbtcl.  You will need to do a
 626   echo "         " make install before you are able to run the GUI.
 627   fi
 628 fi
 629 # end-sanitize-gdbtk
 630
 631 AC_LINK_FILES($files, $links)
 632
 633 dnl Check for exe extension set on certain hosts (e.g. Win32)
 634 AM_EXEEXT
 635
 636 AC_CONFIG_SUBDIRS($configdirs)
 637 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
 638 [
 639 dnl Autoconf doesn't provide a mechanism for modifying definitions
 640 dnl provided by makefile fragments.
 641 dnl
 642 if test "${nativefile}" = ""; then
 643 sed -e '/^NATDEPFILES[[         ]]*=[[  ]]*/s//# NATDEPFILES=/' \
 644         < Makefile > Makefile.tem
 645 mv -f Makefile.tem Makefile
 646 fi
 647
 648 changequote(,)dnl
 649 sed -e '/^TM_FILE[      ]*=/s,^TM_FILE[         ]*=[    ]*,&config/'"${gdb_target_cpu}"'/,
 650 /^XM_FILE[      ]*=/s,^XM_FILE[         ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,
 651 /^NAT_FILE[     ]*=/s,^NAT_FILE[        ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
 652 mv -f Makefile.tmp Makefile
 653 changequote([,])dnl
 654
 655 case x$CONFIG_HEADERS in
 656 xconfig.h:config.in)
 657 echo > stamp-h ;;
 658 esac
 659 ],
 660 [
 661 gdb_host_cpu=$gdb_host_cpu
 662 gdb_target_cpu=$gdb_target_cpu
 663 nativefile=$nativefile
 664 ])
 665
 666 exit 0
 667