1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 dnl Free Software Foundation, Inc.
6 dnl This file is part of GDB.
8 dnl This program is free software; you can redistribute it and/or modify
9 dnl it under the terms of the GNU General Public License as published by
10 dnl the Free Software Foundation; either version 2 of the License, or
11 dnl (at your option) any later version.
13 dnl This program is distributed in the hope that it will be useful,
14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 dnl GNU General Public License for more details.
18 dnl You should have received a copy of the GNU General Public License
19 dnl along with this program; if not, write to the Free Software
20 dnl Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 dnl Boston, MA 02110-1301, USA.
23 dnl Process this file with autoconf to produce a configure script.
27 AC_CONFIG_HEADER(config.h:config.in)
36 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
39 dnl List of object files and targets accumulated by configure.
51 dnl Set up for gettext.
52 ZW_GNU_GETTEXT_SISTER_DIR
54 localedir='${datadir}/locale'
57 if test x"$USE_NLS" = xyes; then
58 CONFIG_ALL="$CONFIG_ALL all-po"
59 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
60 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
61 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
65 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
68 debugdir=${libdir}/debug
70 AC_ARG_WITH(separate-debug-dir,
71 [ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
72 [debugdir="${withval}"])
74 AC_DEFINE_DIR(DEBUGDIR, debugdir,
75 [Global directory for separate debug files. ])
76 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
78 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
79 if test "x$prefix" = xNONE; then
80 test_prefix=/usr/local
85 test_prefix=$exec_prefix
88 "${test_prefix}"|"${test_prefix}/"*|\
89 '${exec_prefix}'|'${exec_prefix}/'*)
90 AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.])
94 AC_CONFIG_SUBDIRS(doc testsuite)
96 # Provide defaults for some variables set by the per-host and per-target
98 gdb_host_obs=posix-hdep.o
100 if test "${target}" = "${host}"; then
106 . $srcdir/configure.host
108 . $srcdir/configure.tgt
110 # Fetch the default architecture and default target vector from BFD.
111 targ=$target; . $srcdir/../bfd/config.bfd
113 # We only want the first architecture, so strip off the others if
114 # there is more than one.
115 targ_archs=`echo $targ_archs | sed 's/ .*//'`
117 if test "x$targ_archs" != x; then
118 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
119 [Define to BFD's default architecture. ])
121 if test "x$targ_defvec" != x; then
122 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
123 [Define to BFD's default target vector. ])
128 # The CLI cannot be disabled yet, but may be in the future.
131 AC_ARG_ENABLE(gdbcli,
132 [ --disable-gdbcli disable command-line interface (CLI)],
137 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
139 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
142 if test x"$enable_gdbcli" = xyes; then
143 if test -d $srcdir/cli; then
144 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
145 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
146 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
147 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
153 [ --disable-gdbmi disable machine-interface (MI)],
158 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
161 if test x"$enable_gdbmi" = xyes; then
162 if test -d $srcdir/mi; then
163 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
164 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
165 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
166 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
172 [ --enable-tui enable full-screen terminal user interface (TUI)],
177 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
178 esac],enable_tui=yes)
182 [ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
187 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
189 [if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
194 # We unconditionally disable gdbtk tests on selected platforms.
197 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
202 AC_ARG_WITH(libunwind,
203 [ --with-libunwind Use libunwind frame unwinding support],
204 [case "${withval}" in
205 yes) enable_libunwind=yes ;;
206 no) enable_libunwind=no ;;
207 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
209 AC_CHECK_HEADERS(libunwind.h)
210 AC_CHECK_HEADERS(libunwind-ia64.h)
211 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
212 enable_libunwind=yes;
216 if test x"$enable_libunwind" = xyes; then
217 AC_CHECK_HEADERS(libunwind.h)
218 AC_CHECK_HEADERS(libunwind-ia64.h)
219 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
220 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
221 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
222 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
226 AC_ARG_ENABLE(profiling,
227 [ --enable-profiling enable profiling of GDB],
232 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
234 [enable_profiling=no])
236 AC_CHECK_FUNCS(monstartup _mcleanup)
237 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
242 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
243 if test $ac_cv_var__etext = yes; then
244 AC_DEFINE(HAVE__ETEXT, 1,
245 [Define to 1 if your system has the _etext variable. ])
247 if test "$enable_profiling" = yes ; then
248 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
249 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
253 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
255 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
256 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
257 ac_cv_cc_supports_pg=no)])
259 if test $ac_cv_cc_supports_pg = no; then
260 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
266 # --------------------- #
267 # Checks for programs. #
268 # --------------------- #
276 AC_CHECK_TOOL(AR, ar)
277 AC_CHECK_TOOL(DLLTOOL, dlltool)
278 AC_CHECK_TOOL(WINDRES, windres)
280 # Needed for GNU/Hurd.
281 AC_CHECK_TOOL(MIG, mig)
283 # ---------------------- #
284 # Checks for libraries. #
285 # ---------------------- #
287 # We might need to link with -lm; most simulators need it.
288 AC_CHECK_LIB(m, main)
290 # We need to link with -lw to get `wctype' on Solaris before Solaris
291 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
292 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
293 # is known to have this problem). Therefore we avoid libw if we can.
294 AC_CHECK_FUNC(wctype, [],
295 [AC_CHECK_LIB(w, wctype)])
297 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
298 AC_SEARCH_LIBS(gethostbyname, nsl)
300 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
301 AC_SEARCH_LIBS(socketpair, socket)
303 # For the TUI, we need enhanced curses functionality.
305 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
306 # curses library because the latter might not provide all the
307 # functionality we need. However, this leads to problems on systems
308 # where the linker searches /usr/local/lib, but the compiler doesn't
309 # search /usr/local/include, if ncurses is installed in /usr/local. A
310 # default installation of ncurses on alpha*-dec-osf* will lead to such
312 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
314 # Since GDB uses Readline, we need termcap functionality. In many
315 # cases this will be provided by the curses library, but some systems
316 # have a seperate termcap library, or no curses library at all.
320 if test -d $srcdir/libtermcap; then
321 LIBS="../libtermcap/libtermcap.a $LIBS"
322 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
325 ac_cv_search_tgetent="none required"
328 ac_cv_search_tgetent="none required"
329 CONFIG_OBS="$CONFIG_OBS win32-termcap.o"
333 # These are the libraries checked by Readline.
334 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
336 if test "$ac_cv_search_tgetent" = no; then
337 AC_MSG_ERROR([no termcap library found])
340 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
341 [XML_Parser p = XML_ParserCreate (0);])
342 if test "$HAVE_LIBEXPAT" != yes; then
343 AC_MSG_WARN([expat is missing or unusable; some features may be disabled.])
346 LIBS="$LIBS $LIBEXPAT"
347 AC_CHECK_FUNCS(XML_StopParser)
351 # ------------------------- #
352 # Checks for header files. #
353 # ------------------------- #
358 AC_CHECK_HEADERS(nlist.h)
359 AC_CHECK_HEADERS(link.h, [], [],
360 [#if HAVE_SYS_TYPES_H
361 # include <sys/types.h>
367 AC_CHECK_HEADERS(machine/reg.h)
368 AC_CHECK_HEADERS(poll.h sys/poll.h)
369 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
370 AC_CHECK_HEADERS(stddef.h)
371 AC_CHECK_HEADERS(stdlib.h)
372 AC_CHECK_HEADERS(stdint.h)
373 AC_CHECK_HEADERS(string.h memory.h strings.h)
374 AC_CHECK_HEADERS(sys/fault.h)
375 AC_CHECK_HEADERS(sys/file.h)
376 AC_CHECK_HEADERS(sys/filio.h)
377 AC_CHECK_HEADERS(sys/ioctl.h)
378 AC_CHECK_HEADERS(sys/param.h)
379 AC_CHECK_HEADERS(sys/resource.h)
380 AC_CHECK_HEADERS(sys/proc.h, [], [],
381 [#if HAVE_SYS_PARAM_H
382 # include <sys/param.h>
385 AC_CHECK_HEADERS(sys/procfs.h)
386 AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
387 AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
388 AC_CHECK_HEADERS(sys/select.h)
389 AC_CHECK_HEADERS(sys/syscall.h)
390 AC_CHECK_HEADERS(sys/types.h)
391 AC_CHECK_HEADERS(sys/user.h, [], [],
392 [#if HAVE_SYS_PARAM_H
393 # include <sys/param.h>
396 AC_CHECK_HEADERS(sys/wait.h wait.h)
397 AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
398 AC_CHECK_HEADERS(unistd.h)
400 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
401 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
402 # think that we don't have <curses.h> if we're using GCC.
405 if test "$GCC" = yes; then
406 AC_DEFINE(_MSE_INT_H, 1,
407 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
408 Solaris 2.[789] when using GCC. ])
411 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
412 AC_CHECK_HEADERS(ncurses/term.h)
413 AC_CHECK_HEADERS(term.h, [], [],
419 # FIXME: kettenis/20030102: In most cases we include these
420 # unconditionally, so what's the point in checking these?
421 AC_CHECK_HEADERS(ctype.h time.h)
423 # Create a header we can use portably to get the standard integer types.
424 GCC_HEADER_STDINT(gdb_stdint.h)
426 # ------------------------- #
427 # Checks for declarations. #
428 # ------------------------- #
430 AC_CHECK_DECLS([free, malloc, realloc])
431 AC_CHECK_DECLS([strerror, strstr])
432 AC_CHECK_DECLS([getopt, snprintf, vsnprintf])
434 # ----------------------- #
435 # Checks for structures. #
436 # ----------------------- #
438 AC_CHECK_MEMBERS([struct stat.st_blocks])
439 AC_CHECK_MEMBERS([struct stat.st_blksize])
441 # ------------------ #
442 # Checks for types. #
443 # ------------------ #
446 AC_CHECK_TYPES(socklen_t, [], [],
447 [#include <sys/types.h>
448 #include <sys/socket.h>
450 AC_CHECK_TYPES(uintptr_t, [], [], [#include <stdint.h>])
452 # ------------------------------------- #
453 # Checks for compiler characteristics. #
454 # ------------------------------------- #
459 # ------------------------------ #
460 # Checks for library functions. #
461 # ------------------------------ #
466 AC_CHECK_FUNCS(canonicalize_file_name realpath)
467 AC_CHECK_FUNCS(getrusage)
468 AC_CHECK_FUNCS(getuid getgid)
470 AC_CHECK_FUNCS(pread64)
472 AC_CHECK_FUNCS(setpgid setpgrp)
473 AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
474 AC_CHECK_FUNCS(socketpair)
475 AC_CHECK_FUNCS(syscall)
476 AC_CHECK_FUNCS(ttrace)
477 AC_CHECK_FUNCS(wborder)
479 # Check the return and argument types of ptrace. No canned test for
480 # this, so roll our own.
483 # include <sys/types.h>
485 #if HAVE_SYS_PTRACE_H
486 # include <sys/ptrace.h>
492 # There is no point in checking if we don't have a prototype.
493 AC_CHECK_DECLS(ptrace, [], [
494 : ${gdb_cv_func_ptrace_ret='int'}
495 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
496 ], $gdb_ptrace_headers)
498 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
499 AC_TRY_COMPILE($gdb_ptrace_headers,
500 [extern int ptrace ();],
501 gdb_cv_func_ptrace_ret='int',
502 gdb_cv_func_ptrace_ret='long'))
503 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
504 [Define as the return type of ptrace.])
505 # Check argument types.
506 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
507 for gdb_arg1 in 'int' 'long'; do
508 for gdb_arg2 in 'pid_t' 'int' 'long'; do
509 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long'; do
510 for gdb_arg4 in 'int' 'long'; do
511 AC_TRY_COMPILE($gdb_ptrace_headers, [
512 extern $gdb_cv_func_ptrace_ret
513 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
514 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
516 for gdb_arg5 in 'int *' 'int' 'long'; do
517 AC_TRY_COMPILE($gdb_ptrace_headers, [
518 extern $gdb_cv_func_ptrace_ret
519 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
521 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
528 # Provide a safe default value.
529 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
531 ac_save_IFS=$IFS; IFS=','
532 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
535 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
536 [Define to the type of arg 3 for ptrace.])
537 if test -n "$[5]"; then
538 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
539 [Define to the type of arg 5 for ptrace.])
542 dnl AC_FUNC_SETPGRP does not work when cross compiling
543 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
544 if test "$cross_compiling" = no; then
547 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
551 if (setpgrp(1,1) == -1)
555 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
556 if test $ac_cv_func_setpgrp_void = yes; then
557 AC_DEFINE(SETPGRP_VOID, 1)
561 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
562 # since sigsetjmp might only be defined as a macro.
563 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
566 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
567 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
568 if test $gdb_cv_func_sigsetjmp = yes; then
569 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
572 # Assume we'll default to using the included libiberty regex.
573 gdb_use_included_regex=yes
575 # However, if the system regex is GNU regex, then default to *not*
576 # using the included regex.
579 [gdb_cv_have_gnu_regex],
581 [#include <gnu-versions.h>],
582 [#define REGEX_INTERFACE_VERSION 1
583 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
584 # error "Version mismatch"
586 gdb_cv_have_gnu_regex=yes,
587 gdb_cv_have_gnu_regex=no)])
588 if test $gdb_cv_have_gnu_regex = yes; then
589 gdb_use_included_regex=no
592 AC_ARG_WITH(included-regex,
593 [ --without-included-regex don't use included regex; this is the default
594 on systems with version 2 of the GNU C library
595 (use with caution on other system)],
596 gdb_with_regex=$withval,
597 gdb_with_regex=$gdb_use_included_regex)
598 if test "$gdb_with_regex" = yes; then
599 AC_DEFINE(USE_INCLUDED_REGEX, 1,
600 [Define to 1 if the regex included in libiberty should be used.])
603 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
604 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
605 [#include <sys/param.h>
606 #include <sys/proc.h>
609 # See if <sys/lwp.h> defines `struct lwp`.
610 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
611 [AC_TRY_COMPILE([#include <sys/param.h>
612 #include <sys/lwp.h>], [struct lwp l;],
613 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
614 if test $gdb_cv_struct_lwp = yes; then
615 AC_DEFINE(HAVE_STRUCT_LWP, 1,
616 [Define to 1 if your system has struct lwp.])
619 # See if <machine/reg.h> degines `struct reg'.
620 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
621 [AC_TRY_COMPILE([#include <sys/types.h>
622 #include <machine/reg.h>], [struct reg r;],
623 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
624 if test $gdb_cv_struct_reg = yes; then
625 AC_DEFINE(HAVE_STRUCT_REG, 1,
626 [Define to 1 if your system has struct reg in <machine/reg.h>.])
629 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
630 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
631 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
632 [#include <machine/reg.h>])
634 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
635 AC_MSG_CHECKING(for PTRACE_GETREGS)
636 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
637 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
639 [gdb_cv_have_ptrace_getregs=yes],
640 [gdb_cv_have_ptrace_getregs=no])])
641 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
642 if test $gdb_cv_have_ptrace_getregs = yes; then
643 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
644 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
647 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
648 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
649 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
650 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
651 [PTRACE_GETFPXREGS;],
652 [gdb_cv_have_ptrace_getfpxregs=yes],
653 [gdb_cv_have_ptrace_getfpxregs=no])])
654 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
655 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
656 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
657 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
660 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
661 AC_MSG_CHECKING(for PT_GETDBREGS)
662 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
663 [AC_TRY_COMPILE([#include <sys/types.h>
664 #include <sys/ptrace.h>],
666 [gdb_cv_have_pt_getdbregs=yes],
667 [gdb_cv_have_pt_getdbregs=no])])
668 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
669 if test $gdb_cv_have_pt_getdbregs = yes; then
670 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
671 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
674 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
675 AC_MSG_CHECKING(for PT_GETXMMREGS)
676 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
677 [AC_TRY_COMPILE([#include <sys/types.h>
678 #include <sys/ptrace.h>],
680 [gdb_cv_have_pt_getxmmregs=yes],
681 [gdb_cv_have_pt_getxmmregs=no])])
682 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
683 if test $gdb_cv_have_pt_getxmmregs = yes; then
684 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
685 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
688 # If we are configured native on GNU/Linux, work around problems with
690 # Also detect which type of /proc is in use, such as for Unixware or Solaris.
692 if test "${target}" = "${host}"; then
694 i[[3456]]86-*-linux*)
695 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED, 2,
696 [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
697 AC_DEFINE(sys_quotactl, 1,
698 [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
700 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
701 AC_DEFINE(NEW_PROC_API, 1,
702 [Define if you want to use new multi-fd /proc interface
703 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
705 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]])
706 AC_DEFINE(NEW_PROC_API, 1,
707 [Define if you want to use new multi-fd /proc interface
708 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
711 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
712 AC_DEFINE([_KMEMUSER], 1,
713 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
714 around a <sys/proc.h> problem on IRIX 5.])
719 if test "$ac_cv_header_sys_procfs_h" = yes; then
720 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
721 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
722 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
723 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
724 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
725 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
726 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
727 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
728 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
729 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
730 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
731 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
732 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
733 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
736 dnl Check for broken prfpregset_t type
738 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
739 dnl prfpregset_t type (it's a typedef for the pointer to a struct
740 dnl instead of the struct itself). We detect this here, and work
741 dnl around it in gdb_proc_service.h.
743 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
744 AC_MSG_CHECKING(whether prfpregset_t type is broken)
745 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
746 [AC_TRY_RUN([#include <sys/procfs.h>
749 if (sizeof (prfpregset_t) == sizeof (void *))
753 gdb_cv_prfpregset_t_broken=no,
754 gdb_cv_prfpregset_t_broken=yes,
755 gdb_cv_prfpregset_t_broken=yes)])
756 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
757 if test $gdb_cv_prfpregset_t_broken = yes; then
758 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
759 [Define if the prfpregset_t type is broken.])
763 dnl Check for PIOCSET ioctl entry
765 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
766 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
767 [AC_TRY_COMPILE([#include <unistd.h>
768 #include <sys/types.h>
769 #include <sys/procfs.h>
772 dummy = ioctl(0, PIOCSET, &dummy);
774 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
775 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
776 if test $gdb_cv_have_procfs_piocset = yes; then
777 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
778 [Define if ioctl argument PIOCSET is available.])
782 dnl For native ports (host == target), check to see what kind of
783 dnl legacy link.h support is needed. (See solib-legacy.c.)
784 if test ${host} = ${target} ; then
785 dnl Check for struct link_map with l_ members which are indicative
786 dnl of SVR4-like shared libraries
788 AC_MSG_CHECKING(for member l_addr in struct link_map)
789 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
790 [AC_TRY_COMPILE([#include <link.h>],
791 [struct link_map lm; (void) lm.l_addr;],
792 gdb_cv_have_struct_link_map_with_l_members=yes,
793 gdb_cv_have_struct_link_map_with_l_members=no)])
794 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
795 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
796 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
797 [Define if <link.h> exists and defines struct link_map which has
798 members with an ``l_'' prefix. (For Solaris, SVR4, and
799 SVR4-like systems.)])
802 dnl Check for struct link_map with lm_ members which are indicative
803 dnl of SunOS-like shared libraries
805 AC_MSG_CHECKING(for member lm_addr in struct link_map)
806 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
807 [AC_TRY_COMPILE([#include <sys/types.h>
809 [struct link_map lm; (void) lm.lm_addr;],
810 gdb_cv_have_struct_link_map_with_lm_members=yes,
811 gdb_cv_have_struct_link_map_with_lm_members=no)])
812 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
813 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
814 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
815 [Define if <link.h> exists and defines struct link_map which has
816 members with an ``lm_'' prefix. (For SunOS.)])
819 dnl Check for struct so_map with som_ members which are found on
820 dnl some *BSD systems.
822 AC_MSG_CHECKING(for member som_addr in struct so_map)
823 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
824 [AC_TRY_COMPILE([#include <sys/types.h>
829 [struct so_map lm; (void) lm.som_addr;],
830 gdb_cv_have_struct_so_map_with_som_members=yes,
831 gdb_cv_have_struct_so_map_with_som_members=no)])
832 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
833 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
834 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
835 [Define if <link.h> exists and defines a struct so_map which has
836 members with an ``som_'' prefix. (Found on older *BSD systems.)])
839 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
840 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
842 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
843 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
844 [AC_TRY_COMPILE([#define _SYSCALL32
845 #include <sys/link.h>], [struct link_map32 l;],
846 gdb_cv_have_struct_link_map32=yes,
847 gdb_cv_have_struct_link_map32=no)])
848 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
849 if test $gdb_cv_have_struct_link_map32 = yes; then
850 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
851 [Define if <sys/link.h> has struct link_map32])
852 AC_DEFINE(_SYSCALL32, 1,
853 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
857 # Check if the compiler supports the `long long' type.
859 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
860 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
861 [[extern long long foo;]],
862 [[switch (foo & 2) { case 0: return 1; }]])],
863 gdb_cv_c_long_long=yes,
864 gdb_cv_c_long_long=no)])
865 if test $gdb_cv_c_long_long = yes; then
866 AC_DEFINE(CC_HAS_LONG_LONG, 1,
867 [Define to 1 if the compiler supports long long.])
870 # Check if the compiler and runtime support printing long longs.
872 AC_CACHE_CHECK([for long long support in printf],
873 gdb_cv_printf_has_long_long,
874 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
877 l = (l << 16) + 0x0123;
878 l = (l << 16) + 0x4567;
879 l = (l << 16) + 0x89ab;
880 l = (l << 16) + 0xcdef;
881 sprintf (buf, "0x%016llx", l);
882 return (strcmp ("0x0123456789abcdef", buf));]])],
883 gdb_cv_printf_has_long_long=yes,
884 gdb_cv_printf_has_long_long=no,
885 gdb_cv_printf_has_long_long=no)])
886 if test $gdb_cv_printf_has_long_long = yes; then
887 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
888 [Define to 1 if the "%ll" format works to print long longs.])
891 # Check if the compiler supports the `long double' type. We can't use
892 # AC_C_LONG_DOUBLE because that one does additional checks on the
893 # constants defined in <float.h> that fail on some systems,
894 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
896 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
897 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
898 gdb_cv_c_long_double=yes,
899 gdb_cv_c_long_double=no)])
900 if test $gdb_cv_c_long_double = yes; then
901 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
902 [Define to 1 if the compiler supports long double.])
905 # Check if the compiler and runtime support printing long doubles.
907 AC_CACHE_CHECK([for long double support in printf],
908 gdb_cv_printf_has_long_double,
909 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
911 long double f = 3.141592653;
912 sprintf (buf, "%Lg", f);
913 return (strncmp ("3.14159", buf, 7));]])],
914 gdb_cv_printf_has_long_double=yes,
915 gdb_cv_printf_has_long_double=no,
916 gdb_cv_printf_has_long_double=no)])
917 if test $gdb_cv_printf_has_long_double = yes; then
918 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
919 [Define to 1 if the "%Lg" format works to print long doubles.])
922 # Check if the compiler and runtime support scanning long doubles.
924 AC_CACHE_CHECK([for long double support in scanf],
925 gdb_cv_scanf_has_long_double,
926 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
927 [[#include <stdio.h>]],
928 [[char *buf = "3.141592653";
930 sscanf (buf, "%Lg", &f);
931 return !(f > 3.14159 && f < 3.14160);]])],
932 gdb_cv_scanf_has_long_double=yes,
933 gdb_cv_scanf_has_long_double=no,
934 gdb_cv_scanf_has_long_double=no)])
935 if test $gdb_cv_scanf_has_long_double = yes; then
936 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
937 [Define to 1 if the "%Lg" format works to scan long doubles.])
942 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
943 SAVE_LDFLAGS=$LDFLAGS
946 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
947 *) gdb_cv_bigtoc=-bbigtoc ;;
950 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
951 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
952 LDFLAGS="${SAVE_LDFLAGS}"
954 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
959 dnl For certain native configurations, we need to check whether thread
960 dnl support can be built in or not.
962 dnl Note that we only want this if we are both native (host == target),
963 dnl and not doing a canadian cross build (build == host).
965 if test ${build} = ${host} -a ${host} = ${target} ; then
968 AC_MSG_CHECKING(for HPUX/OSF thread support)
969 if test -f /usr/include/dce/cma_config.h ; then
970 if test "$GCC" = "yes" ; then
972 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
973 [Define if you have HPUX threads])
974 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
975 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
977 AC_MSG_RESULT(no (suppressed because you are not using GCC))
984 # See if thread_db library is around for Solaris thread debugging.
985 # Note that we must explicitly test for version 1 of the library
986 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
988 AC_MSG_CHECKING(for Solaris thread debugging library)
989 if test -f /usr/lib/libthread_db.so.1 ; then
991 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
992 [Define if using Solaris thread debugging.])
993 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
994 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
995 AC_CHECK_LIB(dl, dlopen)
996 if test "$GCC" = "yes" ; then
997 # The GNU linker requires the -export-dynamic option to make
998 # all symbols visible in the dynamic symbol table.
999 hold_ldflags=$LDFLAGS
1000 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1001 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1002 AC_TRY_LINK(, [int i;], found=yes, found=no)
1003 LDFLAGS=$hold_ldflags
1004 AC_MSG_RESULT($found)
1005 if test $found = yes; then
1006 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1009 # Sun randomly tweaked the prototypes in <proc_service.h>
1011 AC_MSG_CHECKING(if <proc_service.h> is old)
1012 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1014 #include <proc_service.h>
1016 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1017 ],, gdb_cv_proc_service_is_old=no,
1018 gdb_cv_proc_service_is_old=yes)
1020 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1021 if test $gdb_cv_proc_service_is_old = yes; then
1022 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1023 [Define if <proc_service.h> on solaris uses int instead of
1024 size_t, and assorted other type changes.])
1031 AC_MSG_CHECKING(for AiX thread debugging library)
1032 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1033 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1034 [#ifndef PTHDB_VERSION_3
1037 gdb_cv_have_aix_thread_debug=yes,
1038 gdb_cv_have_aix_thread_debug=no)])
1039 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1040 if test $gdb_cv_have_aix_thread_debug = yes; then
1041 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1042 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1043 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1047 AC_SUBST(CONFIG_LDFLAGS)
1050 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1051 dnl other error codes.
1052 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1053 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1054 gdb_cv_thread_db_h_has_td_notalloc,
1056 [#include <thread_db.h>],
1057 [int i = TD_NOTALLOC;],
1058 gdb_cv_thread_db_h_has_td_notalloc=yes,
1059 gdb_cv_thread_db_h_has_td_notalloc=no
1062 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1063 gdb_cv_thread_db_h_has_td_version,
1065 [#include <thread_db.h>],
1066 [int i = TD_VERSION;],
1067 gdb_cv_thread_db_h_has_td_version=yes,
1068 gdb_cv_thread_db_h_has_td_version=no
1071 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1072 gdb_cv_thread_db_h_has_td_notls,
1074 [#include <thread_db.h>],
1075 [int i = TD_NOTLS;],
1076 gdb_cv_thread_db_h_has_td_notls=yes,
1077 gdb_cv_thread_db_h_has_td_notls=no
1081 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1082 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1083 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1085 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1086 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1087 [Define if <thread_db.h> has the TD_VERSION error code.])
1089 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1090 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1091 [Define if <thread_db.h> has the TD_NOTLS error code.])
1094 dnl See if we have a sys/syscall header file that has __NR_tkill.
1095 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1096 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1097 gdb_cv_sys_syscall_h_has_tkill,
1099 [#include <sys/syscall.h>],
1100 [int i = __NR_tkill;],
1101 gdb_cv_sys_syscall_h_has_tkill=yes,
1102 gdb_cv_sys_syscall_h_has_tkill=no
1106 dnl See if we can issue tkill syscall.
1107 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1108 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1111 dnl Handle optional features that can be enabled.
1113 AC_ARG_WITH(sysroot,
1114 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1116 case ${with_sysroot} in
1117 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1118 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1121 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1123 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1124 if test "x$prefix" = xNONE; then
1125 test_prefix=/usr/local
1130 test_prefix=$exec_prefix
1132 case ${TARGET_SYSTEM_ROOT} in
1133 "${test_prefix}"|"${test_prefix}/"*|\
1134 '${exec_prefix}'|'${exec_prefix}/'*)
1135 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1136 TARGET_SYSTEM_ROOT_DEFINE="$t"
1141 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1143 AC_SUBST(TARGET_SYSTEM_ROOT)
1144 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1146 AC_ARG_ENABLE(werror,
1147 [ --enable-werror treat compile warnings as errors],
1148 [case "${enableval}" in
1149 yes | y) ERROR_ON_WARNING="yes" ;;
1150 no | n) ERROR_ON_WARNING="no" ;;
1151 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1154 # Enable -Werror by default when using gcc
1155 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1156 ERROR_ON_WARNING=yes
1160 if test "${ERROR_ON_WARNING}" = yes ; then
1161 WERROR_CFLAGS="-Werror"
1164 # The entries after -Wno-pointer-sign are disabled warnings which may
1165 # be enabled in the future, which can not currently be used to build
1167 # NOTE: If you change this list, remember to update
1168 # gdb/doc/gdbint.texinfo.
1169 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1170 -Wformat-nonliteral -Wno-pointer-sign \
1171 -Wno-unused -Wno-switch"
1173 AC_ARG_ENABLE(build-warnings,
1174 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1175 [case "${enableval}" in
1177 no) build_warnings="-w";;
1178 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1179 build_warnings="${build_warnings} ${t}";;
1180 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1181 build_warnings="${t} ${build_warnings}";;
1182 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1184 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1185 echo "Setting compiler warning flags = $build_warnings" 6>&1
1187 AC_ARG_ENABLE(gdb-build-warnings,
1188 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1189 [case "${enableval}" in
1191 no) build_warnings="-w";;
1192 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1193 build_warnings="${build_warnings} ${t}";;
1194 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1195 build_warnings="${t} ${build_warnings}";;
1196 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1198 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1199 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1202 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1204 AC_MSG_CHECKING(compiler warning flags)
1205 # Separate out the -Werror flag as some files just cannot be
1206 # compiled with it enabled.
1207 for w in ${build_warnings}; do
1209 -Werr*) WERROR_CFLAGS=-Werror ;;
1210 *) # Check that GCC accepts it
1211 saved_CFLAGS="$CFLAGS"
1213 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1214 CFLAGS="$saved_CFLAGS"
1217 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1219 AC_SUBST(WARN_CFLAGS)
1220 AC_SUBST(WERROR_CFLAGS)
1222 # In the Cygwin environment, we need some additional flags.
1223 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1224 [AC_EGREP_CPP(lose, [
1225 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1227 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1230 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1231 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1233 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1234 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1235 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1237 AC_SUBST(SER_HARDWIRE)
1239 # libreadline needs libuser32.a in a cygwin environment
1241 if test x$gdb_cv_os_cygwin = xyes; then
1242 WIN32LIBS="-luser32"
1244 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1249 # The ser-tcp.c module requires sockets.
1252 AC_DEFINE(USE_WIN32API, 1,
1253 [Define if we should use the Windows API, instead of the
1254 POSIX API. On Windows, we use the Windows API when
1255 building for MinGW, but the POSIX API when building
1257 WIN32LIBS="$WIN32LIBS -lws2_32"
1262 # Add any host-specific objects to GDB.
1263 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1265 LIBGUI="../libgui/src/libgui.a"
1266 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1268 AC_SUBST(GUI_CFLAGS_X)
1272 AC_SUBST(WIN32LDAPP)
1284 if test "${enable_gdbtk}" = "yes"; then
1286 # Gdbtk must have an absolute path to srcdir in order to run
1287 # properly when not installed.
1293 CY_AC_PATH_TCLCONFIG
1294 if test -z "${no_tcl}"; then
1295 CY_AC_LOAD_TCLCONFIG
1298 # now look for Tcl library stuff
1300 tcldir="../tcl/${configdir}/"
1302 TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1304 # If $no_tk is nonempty, then we can't do Tk, and there is no
1305 # point to doing Tcl.
1306 if test -z "${no_tk}"; then
1314 # now look for Tk library stuff
1316 tkdir="../tk/${configdir}/"
1318 TK_DEPS="${tkdir}${TK_LIB_FILE}"
1320 # now look for Itcl library stuff
1322 CY_AC_PATH_ITCLCONFIG
1323 if test -z "${no_itcl}"; then
1324 CY_AC_LOAD_ITCLCONFIG
1326 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1327 ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1331 # now look for Itk library stuff
1332 CY_AC_PATH_ITKCONFIG
1333 if test -z "${no_itcl}"; then
1334 CY_AC_LOAD_ITKCONFIG
1336 ITKLIB="${ITK_BUILD_LIB_SPEC}"
1337 ITK_DEPS="${ITK_LIB_FULL_PATH}"
1340 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1342 # Include some libraries that Tcl and Tk want.
1343 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1344 # Yes, the ordering seems wrong here. But it isn't.
1345 # TK_LIBS is the list of libraries that need to be linked
1346 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1347 # were in LIBS then any link tests after this point would
1348 # try to include things like `$(LIBGUI)', which wouldn't work.
1349 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1351 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1352 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1353 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1354 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1355 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1356 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1357 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1359 if test x$gdb_cv_os_cygwin = xyes; then
1360 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1361 WIN32LDAPP="-Wl,--subsystem,console"
1362 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1367 AC_CONFIG_SUBDIRS(gdbtk)
1380 AC_SUBST(GDBTK_CFLAGS)
1381 AC_SUBST(GDBTK_SRC_DIR)
1385 # Check whether we should enable the TUI, but only do so if we really
1387 if test x"$enable_tui" = xyes; then
1388 if test -d $srcdir/tui; then
1389 if test "$ac_cv_search_waddstr" != no; then
1390 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
1391 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
1392 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
1393 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
1394 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
1395 CONFIG_ALL="${CONFIG_ALL} all-tui"
1396 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
1397 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
1398 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
1400 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
1405 # Unlike the sim directory, whether a simulator is linked is controlled by
1406 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
1407 # This code just checks for a few cases where we'd like to ignore those
1408 # definitions, even when they're present in the '.mt' file. These cases
1409 # are when --disable-sim is specified, or if the simulator directory is
1410 # not part of the source tree.
1413 [ --enable-sim Link gdb with simulator],
1414 [echo "enable_sim = $enable_sim";
1415 echo "enableval = ${enableval}";
1416 case "${enableval}" in
1417 yes) ignore_sim=false ;;
1418 no) ignore_sim=true ;;
1419 *) ignore_sim=false ;;
1423 if test ! -d "${srcdir}/../sim"; then
1427 if test "${ignore_sim}" = "true"; then
1429 IGNORE_SIM_OBS="SIM_OBS="
1433 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1435 AC_SUBST(IGNORE_SIM)
1436 AC_SUBST(IGNORE_SIM_OBS)
1438 AC_SUBST(ENABLE_CFLAGS)
1439 AC_SUBST(PROFILE_CFLAGS)
1441 AC_SUBST(CONFIG_OBS)
1442 AC_SUBST(CONFIG_DEPS)
1443 AC_SUBST(CONFIG_SRCS)
1444 AC_SUBST(CONFIG_ALL)
1445 AC_SUBST(CONFIG_CLEAN)
1446 AC_SUBST(CONFIG_INSTALL)
1447 AC_SUBST(CONFIG_UNINSTALL)
1449 # List of host floatformats.
1450 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1451 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1452 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1454 # target_subdir is used by the testsuite to find the target libraries.
1456 if test "${host}" != "${target}"; then
1457 target_subdir="${target_alias}/"
1459 AC_SUBST(target_subdir)
1462 if test "${gdb_native}" = "yes"; then
1463 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1464 if test ! -f ${host_makefile_frag}; then
1465 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1467 frags="$frags $host_makefile_frag"
1469 host_makefile_frag=/dev/null
1472 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1473 if test ! -f ${target_makefile_frag}; then
1474 AC_MSG_ERROR("*** Gdb does not support target ${target}")
1476 frags="$frags $target_makefile_frag"
1478 AC_SUBST_FILE(host_makefile_frag)
1479 AC_SUBST_FILE(target_makefile_frag)
1484 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1485 ' ${host_makefile_frag}`
1487 targetfile=`sed -n '
1488 s/^[ ]*DEPRECATED_TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1489 ' ${target_makefile_frag}`
1491 if test "${gdb_native}" = "yes"; then
1492 # We pick this up from the host configuration file (.mh) because we
1493 # do not have a native configuration Makefile fragment.
1494 nativefile=`sed -n '
1495 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1496 ' ${host_makefile_frag}`
1500 if test x"${gdb_osabi}" != x ; then
1501 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1502 [Define to the default OS ABI for this configuration.])
1505 # Enable multi-ice-gdb-server.
1506 AC_ARG_ENABLE(multi-ice,
1507 [ --enable-multi-ice build the multi-ice-gdb-server],
1511 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1513 if test "x$enable_multi_ice" = xyes; then
1514 AC_CONFIG_SUBDIRS(multi-ice)
1517 # We only build gdbserver automatically in a native configuration.
1518 if test "$gdb_native" = "yes"; then
1519 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1520 if test "x$build_gdbserver" = xyes; then
1522 AC_CONFIG_SUBDIRS(gdbserver)
1528 # If hostfile (XM_FILE) and/or targetfile (DEPRECATED_TM_FILE) and/or
1529 # nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1530 # to an empty version.
1537 if test "${hostfile}" != ""; then
1539 case "${hostfile}" in
1540 xm-*.h ) GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}" ;;
1541 * ) GDB_XM_FILE="${hostfile}"
1543 files="${files} ${GDB_XM_FILE}"
1544 links="${links} xm.h"
1545 AC_DEFINE_UNQUOTED(GDB_XM_FILE, "${GDB_XM_FILE}", [hostfile])
1551 if test "${targetfile}" != ""; then
1553 case "${targetfile}" in
1554 tm-*.h ) GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}" ;;
1555 * ) GDB_TM_FILE="${targetfile}"
1557 files="${files} ${GDB_TM_FILE}"
1558 links="${links} tm.h"
1559 AC_DEFINE_UNQUOTED(GDB_TM_FILE, "${GDB_TM_FILE}", [targetfile])
1565 if test "${nativefile}" != ""; then
1567 case "${nativefile}" in
1568 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1569 * ) GDB_NM_FILE="${nativefile}"
1571 files="${files} ${GDB_NM_FILE}"
1572 links="${links} nm.h"
1573 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1577 AC_LINK_FILES($files, $links)
1579 dnl Check for exe extension set on certain hosts (e.g. Win32)
1582 dnl Detect the character set used by this host.
1584 dnl At the moment, we just assume it's ISO-8859-1 (which is a
1585 dnl superset of ASCII containing the characters needed for French,
1586 dnl German, Spanish, Italian, and possibly others), but if were
1587 dnl *were* to support any host character sets other than ISO-8859-1,
1588 dnl here's where we'd detect it.
1589 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1590 [Define to be a string naming the default host character set.])
1594 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1596 dnl Autoconf doesn't provide a mechanism for modifying definitions
1597 dnl provided by makefile fragments.
1601 sed -e '/^DEPRECATED_TM_FILE[ ]*=/s,^DEPRECATED_TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1602 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1603 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1604 mv -f Makefile.tmp Makefile
1608 case x$CONFIG_HEADERS in
1609 xconfig.h:config.in)
1614 gdb_host_cpu=$gdb_host_cpu
1615 gdb_target_cpu=$gdb_target_cpu
1616 nativefile=$nativefile