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 $srcdir;pwd`/..)
39 dnl List of object files and targets accumulated by configure.
51 dnl Set up for gettext. PACKAGE is used when we call bindtextdomain.
55 localedir='${datadir}/locale'
58 if test "x$POSUB" != x; then
60 dnl Lifted from GCC's config/gettext.m4.
61 AC_MSG_CHECKING(for catalogs to be installed)
62 # Look for .po and .gmo files in the source directory.
63 CATALOGS= AC_SUBST(CATALOGS)
65 for cat in $srcdir/po/*.gmo $srcdir/po/*.po; do
66 # If there aren't any .gmo files the shell will give us the
67 # literal string "../path/to/srcdir/po/*.gmo" which has to be
72 # The quadruple backslash is collapsed to a double backslash
73 # by the backticks, then collapsed again by the double quotes,
74 # leaving us with one backslash in the sed expression (right
75 # before the dot that mustn't act as a wildcard).
76 cat=`echo $cat | sed -e "s!$srcdir/!!" -e "s!\\\\.po!.gmo!"`
77 lang=`echo $cat | sed -e 's!po/!!' -e "s!\\\\.gmo!!"`
78 # The user is allowed to set LINGUAS to a list of languages to
79 # install catalogs for. If it's empty that means "all of them."
80 if test "x$LINGUAS" = x; then
81 CATALOGS="$CATALOGS $cat"
82 XLINGUAS="$XLINGUAS $lang"
84 case "$LINGUAS" in *$lang*)
85 CATALOGS="$CATALOGS $cat"
86 XLINGUAS="$XLINGUAS $lang"
92 AC_MSG_RESULT($LINGUAS)
94 CONFIG_ALL="$CONFIG_ALL all-po"
95 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
96 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
97 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
101 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
104 debugdir=${libdir}/debug
106 AC_ARG_WITH(separate-debug-dir,
107 [ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
108 [debugdir="${withval}"])
110 AC_DEFINE_DIR(DEBUGDIR, debugdir,
111 [Global directory for separate debug files. ])
112 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
114 AC_CONFIG_SUBDIRS(doc testsuite)
116 # Provide defaults for some variables set by the per-host and per-target
118 gdb_host_obs=posix-hdep.o
120 . $srcdir/configure.host
122 . $srcdir/configure.tgt
124 # Fetch the default architecture and default target vector from BFD.
125 targ=$target; . $srcdir/../bfd/config.bfd
127 # We only want the first architecture, so strip off the others if
128 # there is more than one.
129 targ_archs=`echo $targ_archs | sed 's/ .*//'`
131 if test "x$targ_archs" != x; then
132 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
133 [Define to BFD's default architecture. ])
135 if test "x$targ_defvec" != x; then
136 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
137 [Define to BFD's default target vector. ])
142 # The CLI cannot be disabled yet, but may be in the future.
145 AC_ARG_ENABLE(gdbcli,
146 [ --disable-gdbcli disable command-line interface (CLI)],
151 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
153 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
156 if test x"$enable_gdbcli" = xyes; then
157 if test -d $srcdir/cli; then
158 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
159 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
160 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
161 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
167 [ --disable-gdbmi disable machine-interface (MI)],
172 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
175 if test x"$enable_gdbmi" = xyes; then
176 if test -d $srcdir/mi; then
177 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
178 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
179 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
180 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
186 [ --enable-tui enable full-screen terminal user interface (TUI)],
191 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
192 esac],enable_tui=yes)
196 [ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
201 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
203 [if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
208 # We unconditionally disable gdbtk tests on selected platforms.
211 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
216 AC_ARG_WITH(libunwind,
217 [ --with-libunwind Use libunwind frame unwinding support],
218 [case "${withval}" in
219 yes) enable_libunwind=yes ;;
220 no) enable_libunwind=no ;;
221 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
223 AC_CHECK_HEADERS(libunwind.h)
224 AC_CHECK_HEADERS(libunwind-ia64.h)
225 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
226 enable_libunwind=yes;
230 if test x"$enable_libunwind" = xyes; then
231 AC_CHECK_HEADERS(libunwind.h)
232 AC_CHECK_HEADERS(libunwind-ia64.h)
233 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
234 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
235 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
236 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
240 AC_ARG_ENABLE(profiling,
241 [ --enable-profiling enable profiling of GDB],
246 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
248 [enable_profiling=no])
250 AC_CHECK_FUNCS(monstartup _mcleanup)
251 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
256 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
257 if test $ac_cv_var__etext = yes; then
258 AC_DEFINE(HAVE__ETEXT, 1,
259 [Define to 1 if your system has the _etext variable. ])
261 if test "$enable_profiling" = yes ; then
262 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
263 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
267 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
269 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
270 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
271 ac_cv_cc_supports_pg=no)])
273 if test $ac_cv_cc_supports_pg = no; then
274 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
280 # --------------------- #
281 # Checks for programs. #
282 # --------------------- #
290 AC_CHECK_TOOL(AR, ar)
291 AC_CHECK_TOOL(DLLTOOL, dlltool)
292 AC_CHECK_TOOL(WINDRES, windres)
294 # Needed for GNU/Hurd.
295 AC_CHECK_TOOL(MIG, mig)
297 # ---------------------- #
298 # Checks for libraries. #
299 # ---------------------- #
301 # We might need to link with -lm; most simulators need it.
302 AC_CHECK_LIB(m, main)
304 # We need to link with -lw to get `wctype' on Solaris before Solaris
305 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
306 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
307 # is known to have this problem). Therefore we avoid libw if we can.
308 AC_CHECK_FUNC(wctype, [],
309 [AC_CHECK_LIB(w, wctype)])
311 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
312 AC_SEARCH_LIBS(gethostbyname, nsl)
314 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
315 AC_SEARCH_LIBS(socketpair, socket)
317 # For the TUI, we need enhanced curses functionality.
319 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
320 # curses library because the latter might not provide all the
321 # functionality we need. However, this leads to problems on systems
322 # where the linker searches /usr/local/lib, but the compiler doesn't
323 # search /usr/local/include, if ncurses is installed in /usr/local. A
324 # default installation of ncurses on alpha*-dec-osf* will lead to such
326 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
328 # Since GDB uses Readline, we need termcap functionality. In many
329 # cases this will be provided by the curses library, but some systems
330 # have a seperate termcap library, or no curses library at all.
334 if test -d $srcdir/libtermcap; then
335 LIBS="../libtermcap/libtermcap.a $LIBS"
336 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
339 ac_cv_search_tgetent="none required"
342 ac_cv_search_tgetent="none required"
343 CONFIG_OBS="$CONFIG_OBS win32-termcap.o"
347 # These are the libraries checked by Readline.
348 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
350 if test "$ac_cv_search_tgetent" = no; then
351 AC_MSG_ERROR([no termcap library found])
354 # ------------------------- #
355 # Checks for header files. #
356 # ------------------------- #
361 AC_CHECK_HEADERS(nlist.h)
362 AC_CHECK_HEADERS(link.h, [], [],
363 [#if HAVE_SYS_TYPES_H
364 # include <sys/types.h>
370 AC_CHECK_HEADERS(machine/reg.h)
371 AC_CHECK_HEADERS(poll.h sys/poll.h)
372 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
373 AC_CHECK_HEADERS(stddef.h)
374 AC_CHECK_HEADERS(stdlib.h)
375 AC_CHECK_HEADERS(stdint.h)
376 AC_CHECK_HEADERS(string.h memory.h strings.h)
377 AC_CHECK_HEADERS(sys/fault.h)
378 AC_CHECK_HEADERS(sys/file.h)
379 AC_CHECK_HEADERS(sys/filio.h)
380 AC_CHECK_HEADERS(sys/ioctl.h)
381 AC_CHECK_HEADERS(sys/param.h)
382 AC_CHECK_HEADERS(sys/proc.h, [], [],
383 [#if HAVE_SYS_PARAM_H
384 # include <sys/param.h>
387 AC_CHECK_HEADERS(sys/procfs.h)
388 AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
389 AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
390 AC_CHECK_HEADERS(sys/select.h)
391 AC_CHECK_HEADERS(sys/syscall.h)
392 AC_CHECK_HEADERS(sys/types.h)
393 AC_CHECK_HEADERS(sys/user.h, [], [],
394 [#if HAVE_SYS_PARAM_H
395 # include <sys/param.h>
398 AC_CHECK_HEADERS(sys/wait.h wait.h)
399 AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
400 AC_CHECK_HEADERS(unistd.h)
402 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
403 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
404 # think that we don't have <curses.h> if we're using GCC.
407 if test "$GCC" = yes; then
408 AC_DEFINE(_MSE_INT_H, 1,
409 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
410 Solaris 2.[789] when using GCC. ])
413 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
414 AC_CHECK_HEADERS(ncurses/term.h)
415 AC_CHECK_HEADERS(term.h, [], [],
421 # FIXME: kettenis/20030102: In most cases we include these
422 # unconditionally, so what's the point in checking these?
423 AC_CHECK_HEADERS(ctype.h time.h)
425 # ------------------------- #
426 # Checks for declarations. #
427 # ------------------------- #
429 AC_CHECK_DECLS([free, malloc, realloc])
430 AC_CHECK_DECLS([strerror, strstr])
431 AC_CHECK_DECLS([getopt, snprintf, vsnprintf])
433 # ----------------------- #
434 # Checks for structures. #
435 # ----------------------- #
437 AC_CHECK_MEMBERS([struct stat.st_blocks])
438 AC_CHECK_MEMBERS([struct stat.st_blksize])
440 # ------------------ #
441 # Checks for types. #
442 # ------------------ #
445 AC_CHECK_TYPES(socklen_t, [], [],
446 [#include <sys/types.h>
447 #include <sys/socket.h>
449 AC_CHECK_TYPES(uintptr_t, [], [], [#include <stdint.h>])
451 # ------------------------------------- #
452 # Checks for compiler characteristics. #
453 # ------------------------------------- #
458 # ------------------------------ #
459 # Checks for library functions. #
460 # ------------------------------ #
465 AC_CHECK_FUNCS(canonicalize_file_name realpath)
466 AC_CHECK_FUNCS(getuid getgid)
468 AC_CHECK_FUNCS(pread64)
470 AC_CHECK_FUNCS(setpgid setpgrp)
471 AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
472 AC_CHECK_FUNCS(socketpair)
473 AC_CHECK_FUNCS(syscall)
474 AC_CHECK_FUNCS(ttrace)
475 AC_CHECK_FUNCS(wborder)
477 # Check the return and argument types of ptrace. No canned test for
478 # this, so roll our own.
481 # include <sys/types.h>
483 #if HAVE_SYS_PTRACE_H
484 # include <sys/ptrace.h>
490 # There is no point in checking if we don't have a prototype.
491 AC_CHECK_DECLS(ptrace, [], [
492 : ${gdb_cv_func_ptrace_ret='int'}
493 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
494 ], $gdb_ptrace_headers)
496 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
497 AC_TRY_COMPILE($gdb_ptrace_headers,
498 [extern int ptrace ();],
499 gdb_cv_func_ptrace_ret='int',
500 gdb_cv_func_ptrace_ret='long'))
501 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
502 [Define as the return type of ptrace.])
503 # Check argument types.
504 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
505 for gdb_arg1 in 'int' 'long'; do
506 for gdb_arg2 in 'pid_t' 'int' 'long'; do
507 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long'; do
508 for gdb_arg4 in 'int' 'long'; do
509 AC_TRY_COMPILE($gdb_ptrace_headers, [
510 extern $gdb_cv_func_ptrace_ret
511 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
512 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
514 for gdb_arg5 in 'int *' 'int' 'long'; do
515 AC_TRY_COMPILE($gdb_ptrace_headers, [
516 extern $gdb_cv_func_ptrace_ret
517 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
519 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
526 # Provide a safe default value.
527 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
529 ac_save_IFS=$IFS; IFS=','
530 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
533 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
534 [Define to the type of arg 3 for ptrace.])
535 if test -n "$[5]"; then
536 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
537 [Define to the type of arg 5 for ptrace.])
540 dnl AC_FUNC_SETPGRP does not work when cross compiling
541 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
542 if test "$cross_compiling" = no; then
545 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
549 if (setpgrp(1,1) == -1)
553 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
554 if test $ac_cv_func_setpgrp_void = yes; then
555 AC_DEFINE(SETPGRP_VOID, 1)
559 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
560 # since sigsetjmp might only be defined as a macro.
561 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
564 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
565 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
566 if test $gdb_cv_func_sigsetjmp = yes; then
567 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
570 # Assume we'll default to using the included libiberty regex.
571 gdb_use_included_regex=yes
573 # However, if the system regex is GNU regex, then default to *not*
574 # using the included regex.
577 [gdb_cv_have_gnu_regex],
579 [#include <gnu-versions.h>],
580 [#define REGEX_INTERFACE_VERSION 1
581 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
582 # error "Version mismatch"
584 gdb_cv_have_gnu_regex=yes,
585 gdb_cv_have_gnu_regex=no)])
586 if test $gdb_cv_have_gnu_regex = yes; then
587 gdb_use_included_regex=no
590 AC_ARG_WITH(included-regex,
591 [ --without-included-regex don't use included regex; this is the default
592 on systems with version 2 of the GNU C library
593 (use with caution on other system)],
594 gdb_with_regex=$withval,
595 gdb_with_regex=$gdb_use_included_regex)
596 if test "$gdb_with_regex" = yes; then
597 AC_DEFINE(USE_INCLUDED_REGEX, 1,
598 [Define to 1 if the regex included in libiberty should be used.])
601 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
602 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
603 [#include <sys/param.h>
604 #include <sys/proc.h>
607 # See if <sys/lwp.h> defines `struct lwp`.
608 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
609 [AC_TRY_COMPILE([#include <sys/param.h>
610 #include <sys/lwp.h>], [struct lwp l;],
611 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
612 if test $gdb_cv_struct_lwp = yes; then
613 AC_DEFINE(HAVE_STRUCT_LWP, 1,
614 [Define to 1 if your system has struct lwp.])
617 # See if <machine/reg.h> degines `struct reg'.
618 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
619 [AC_TRY_COMPILE([#include <sys/types.h>
620 #include <machine/reg.h>], [struct reg r;],
621 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
622 if test $gdb_cv_struct_reg = yes; then
623 AC_DEFINE(HAVE_STRUCT_REG, 1,
624 [Define to 1 if your system has struct reg in <machine/reg.h>.])
627 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
628 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
629 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
630 [#include <machine/reg.h>])
632 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
633 AC_MSG_CHECKING(for PTRACE_GETREGS)
634 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
635 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
637 [gdb_cv_have_ptrace_getregs=yes],
638 [gdb_cv_have_ptrace_getregs=no])])
639 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
640 if test $gdb_cv_have_ptrace_getregs = yes; then
641 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
642 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
645 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
646 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
647 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
648 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
649 [PTRACE_GETFPXREGS;],
650 [gdb_cv_have_ptrace_getfpxregs=yes],
651 [gdb_cv_have_ptrace_getfpxregs=no])])
652 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
653 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
654 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
655 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
658 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
659 AC_MSG_CHECKING(for PT_GETDBREGS)
660 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
661 [AC_TRY_COMPILE([#include <sys/types.h>
662 #include <sys/ptrace.h>],
664 [gdb_cv_have_pt_getdbregs=yes],
665 [gdb_cv_have_pt_getdbregs=no])])
666 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
667 if test $gdb_cv_have_pt_getdbregs = yes; then
668 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
669 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
672 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
673 AC_MSG_CHECKING(for PT_GETXMMREGS)
674 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
675 [AC_TRY_COMPILE([#include <sys/types.h>
676 #include <sys/ptrace.h>],
678 [gdb_cv_have_pt_getxmmregs=yes],
679 [gdb_cv_have_pt_getxmmregs=no])])
680 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
681 if test $gdb_cv_have_pt_getxmmregs = yes; then
682 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
683 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
686 # If we are configured native on GNU/Linux, work around problems with
688 # Also detect which type of /proc is in use, such as for Unixware or Solaris.
690 if test "${target}" = "${host}"; then
692 i[[3456]]86-*-linux*)
693 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED, 2,
694 [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
695 AC_DEFINE(sys_quotactl, 1,
696 [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
698 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
699 AC_DEFINE(NEW_PROC_API, 1,
700 [Define if you want to use new multi-fd /proc interface
701 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
703 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]])
704 AC_DEFINE(NEW_PROC_API, 1,
705 [Define if you want to use new multi-fd /proc interface
706 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
709 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
710 AC_DEFINE([_KMEMUSER], 1,
711 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
712 around a <sys/proc.h> problem on IRIX 5.])
717 if test "$ac_cv_header_sys_procfs_h" = yes; then
718 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
719 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
720 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
721 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
722 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
723 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
724 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
725 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
726 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
727 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
728 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
729 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
730 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
731 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
734 dnl Check for broken prfpregset_t type
736 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
737 dnl prfpregset_t type (it's a typedef for the pointer to a struct
738 dnl instead of the struct itself). We detect this here, and work
739 dnl around it in gdb_proc_service.h.
741 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
742 AC_MSG_CHECKING(whether prfpregset_t type is broken)
743 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
744 [AC_TRY_RUN([#include <sys/procfs.h>
747 if (sizeof (prfpregset_t) == sizeof (void *))
751 gdb_cv_prfpregset_t_broken=no,
752 gdb_cv_prfpregset_t_broken=yes,
753 gdb_cv_prfpregset_t_broken=yes)])
754 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
755 if test $gdb_cv_prfpregset_t_broken = yes; then
756 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
757 [Define if the prfpregset_t type is broken.])
761 dnl Check for PIOCSET ioctl entry
763 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
764 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
765 [AC_TRY_COMPILE([#include <unistd.h>
766 #include <sys/types.h>
767 #include <sys/procfs.h>
770 dummy = ioctl(0, PIOCSET, &dummy);
772 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
773 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
774 if test $gdb_cv_have_procfs_piocset = yes; then
775 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
776 [Define if ioctl argument PIOCSET is available.])
780 dnl For native ports (host == target), check to see what kind of
781 dnl legacy link.h support is needed. (See solib-legacy.c.)
782 if test ${host} = ${target} ; then
783 dnl Check for struct link_map with l_ members which are indicative
784 dnl of SVR4-like shared libraries
786 AC_MSG_CHECKING(for member l_addr in struct link_map)
787 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
788 [AC_TRY_COMPILE([#include <link.h>],
789 [struct link_map lm; (void) lm.l_addr;],
790 gdb_cv_have_struct_link_map_with_l_members=yes,
791 gdb_cv_have_struct_link_map_with_l_members=no)])
792 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
793 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
794 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
795 [Define if <link.h> exists and defines struct link_map which has
796 members with an ``l_'' prefix. (For Solaris, SVR4, and
797 SVR4-like systems.)])
800 dnl Check for struct link_map with lm_ members which are indicative
801 dnl of SunOS-like shared libraries
803 AC_MSG_CHECKING(for member lm_addr in struct link_map)
804 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
805 [AC_TRY_COMPILE([#include <sys/types.h>
807 [struct link_map lm; (void) lm.lm_addr;],
808 gdb_cv_have_struct_link_map_with_lm_members=yes,
809 gdb_cv_have_struct_link_map_with_lm_members=no)])
810 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
811 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
812 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
813 [Define if <link.h> exists and defines struct link_map which has
814 members with an ``lm_'' prefix. (For SunOS.)])
817 dnl Check for struct so_map with som_ members which are found on
818 dnl some *BSD systems.
820 AC_MSG_CHECKING(for member som_addr in struct so_map)
821 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
822 [AC_TRY_COMPILE([#include <sys/types.h>
827 [struct so_map lm; (void) lm.som_addr;],
828 gdb_cv_have_struct_so_map_with_som_members=yes,
829 gdb_cv_have_struct_so_map_with_som_members=no)])
830 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
831 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
832 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
833 [Define if <link.h> exists and defines a struct so_map which has
834 members with an ``som_'' prefix. (Found on older *BSD systems.)])
837 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
838 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
840 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
841 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
842 [AC_TRY_COMPILE([#define _SYSCALL32
843 #include <sys/link.h>], [struct link_map32 l;],
844 gdb_cv_have_struct_link_map32=yes,
845 gdb_cv_have_struct_link_map32=no)])
846 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
847 if test $gdb_cv_have_struct_link_map32 = yes; then
848 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
849 [Define if <sys/link.h> has struct link_map32])
850 AC_DEFINE(_SYSCALL32, 1,
851 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
855 # Check if the compiler supports the `long long' type.
857 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
858 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
859 [[extern long long foo;]],
860 [[switch (foo & 2) { case 0: return 1; }]])],
861 gdb_cv_c_long_long=yes,
862 gdb_cv_c_long_long=no)])
863 if test $gdb_cv_c_long_long = yes; then
864 AC_DEFINE(CC_HAS_LONG_LONG, 1,
865 [Define to 1 if the compiler supports long long.])
868 # Check if the compiler and runtime support printing long longs.
870 AC_CACHE_CHECK([for long long support in printf],
871 gdb_cv_printf_has_long_long,
872 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
875 l = (l << 16) + 0x0123;
876 l = (l << 16) + 0x4567;
877 l = (l << 16) + 0x89ab;
878 l = (l << 16) + 0xcdef;
879 sprintf (buf, "0x%016llx", l);
880 return (strcmp ("0x0123456789abcdef", buf));]])],
881 gdb_cv_printf_has_long_long=yes,
882 gdb_cv_printf_has_long_long=no,
883 gdb_cv_printf_has_long_long=no)])
884 if test $gdb_cv_printf_has_long_long = yes; then
885 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
886 [Define to 1 if the "%ll" format works to print long longs.])
889 # Check if the compiler supports the `long double' type. We can't use
890 # AC_C_LONG_DOUBLE because that one does additional checks on the
891 # constants defined in <float.h> that fail on some systems,
892 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
894 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
895 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
896 gdb_cv_c_long_double=yes,
897 gdb_cv_c_long_double=no)])
898 if test $gdb_cv_c_long_double = yes; then
899 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
900 [Define to 1 if the compiler supports long double.])
903 # Check if the compiler and runtime support printing long doubles.
905 AC_CACHE_CHECK([for long double support in printf],
906 gdb_cv_printf_has_long_double,
907 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
909 long double f = 3.141592653;
910 sprintf (buf, "%Lg", f);
911 return (strncmp ("3.14159", buf, 7));]])],
912 gdb_cv_printf_has_long_double=yes,
913 gdb_cv_printf_has_long_double=no,
914 gdb_cv_printf_has_long_double=no)])
915 if test $gdb_cv_printf_has_long_double = yes; then
916 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
917 [Define to 1 if the "%Lg" format works to print long doubles.])
920 # Check if the compiler and runtime support scanning long doubles.
922 AC_CACHE_CHECK([for long double support in scanf],
923 gdb_cv_scanf_has_long_double,
924 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
925 [[#include <stdio.h>]],
926 [[char *buf = "3.141592653";
928 sscanf (buf, "%Lg", &f);
929 return !(f > 3.14159 && f < 3.14160);]])],
930 gdb_cv_scanf_has_long_double=yes,
931 gdb_cv_scanf_has_long_double=no,
932 gdb_cv_scanf_has_long_double=no)])
933 if test $gdb_cv_scanf_has_long_double = yes; then
934 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
935 [Define to 1 if the "%Lg" format works to scan long doubles.])
940 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
941 SAVE_LDFLAGS=$LDFLAGS
944 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
945 *) gdb_cv_bigtoc=-bbigtoc ;;
948 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
949 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
950 LDFLAGS="${SAVE_LDFLAGS}"
952 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
957 dnl For certain native configurations, we need to check whether thread
958 dnl support can be built in or not.
960 dnl Note that we only want this if we are both native (host == target),
961 dnl and not doing a canadian cross build (build == host).
963 if test ${build} = ${host} -a ${host} = ${target} ; then
966 AC_MSG_CHECKING(for HPUX/OSF thread support)
967 if test -f /usr/include/dce/cma_config.h ; then
968 if test "$GCC" = "yes" ; then
970 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
971 [Define if you have HPUX threads])
972 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
973 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
975 AC_MSG_RESULT(no (suppressed because you are not using GCC))
982 # See if thread_db library is around for Solaris thread debugging.
983 # Note that we must explicitly test for version 1 of the library
984 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
986 AC_MSG_CHECKING(for Solaris thread debugging library)
987 if test -f /usr/lib/libthread_db.so.1 ; then
989 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
990 [Define if using Solaris thread debugging.])
991 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
992 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
993 AC_CHECK_LIB(dl, dlopen)
994 if test "$GCC" = "yes" ; then
995 # The GNU linker requires the -export-dynamic option to make
996 # all symbols visible in the dynamic symbol table.
997 hold_ldflags=$LDFLAGS
998 AC_MSG_CHECKING(for the ld -export-dynamic flag)
999 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1000 AC_TRY_LINK(, [int i;], found=yes, found=no)
1001 LDFLAGS=$hold_ldflags
1002 AC_MSG_RESULT($found)
1003 if test $found = yes; then
1004 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1007 # Sun randomly tweaked the prototypes in <proc_service.h>
1009 AC_MSG_CHECKING(if <proc_service.h> is old)
1010 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1012 #include <proc_service.h>
1014 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1015 ],, gdb_cv_proc_service_is_old=no,
1016 gdb_cv_proc_service_is_old=yes)
1018 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1019 if test $gdb_cv_proc_service_is_old = yes; then
1020 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1021 [Define if <proc_service.h> on solaris uses int instead of
1022 size_t, and assorted other type changes.])
1029 AC_MSG_CHECKING(for AiX thread debugging library)
1030 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1031 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1032 [#ifndef PTHDB_VERSION_3
1035 gdb_cv_have_aix_thread_debug=yes,
1036 gdb_cv_have_aix_thread_debug=no)])
1037 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1038 if test $gdb_cv_have_aix_thread_debug = yes; then
1039 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1040 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1041 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1045 AC_SUBST(CONFIG_LDFLAGS)
1048 dnl See if we have a thread_db header file that has TD_NOTALLOC.
1049 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1050 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1051 gdb_cv_thread_db_h_has_td_notalloc,
1053 [#include <thread_db.h>],
1054 [int i = TD_NOTALLOC;],
1055 gdb_cv_thread_db_h_has_td_notalloc=yes,
1056 gdb_cv_thread_db_h_has_td_notalloc=no
1060 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1061 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1062 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1065 dnl See if we have a sys/syscall header file that has __NR_tkill.
1066 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1067 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1068 gdb_cv_sys_syscall_h_has_tkill,
1070 [#include <sys/syscall.h>],
1071 [int i = __NR_tkill;],
1072 gdb_cv_sys_syscall_h_has_tkill=yes,
1073 gdb_cv_sys_syscall_h_has_tkill=no
1077 dnl See if we can issue tkill syscall.
1078 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1079 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1082 dnl Handle optional features that can be enabled.
1084 AC_ARG_WITH(sysroot,
1085 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1087 case ${with_sysroot} in
1088 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1089 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1092 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1094 if test "x$exec_prefix" = xNONE; then
1095 if test "x$prefix" = xNONE; then
1096 test_prefix=/usr/local
1101 test_prefix=$exec_prefix
1103 case ${TARGET_SYSTEM_ROOT} in
1104 "${test_prefix}"|"${test_prefix}/"*|\
1105 '${exec_prefix}'|'${exec_prefix}/'*)
1106 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1107 TARGET_SYSTEM_ROOT_DEFINE="$t"
1112 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1114 AC_SUBST(TARGET_SYSTEM_ROOT)
1115 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1117 AC_ARG_ENABLE(werror,
1118 [ --enable-werror treat compile warnings as errors],
1119 [case "${enableval}" in
1120 yes | y) ERROR_ON_WARNING="yes" ;;
1121 no | n) ERROR_ON_WARNING="no" ;;
1122 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1125 # Enable -Werror by default when using gcc
1126 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1127 ERROR_ON_WARNING=yes
1131 if test "${ERROR_ON_WARNING}" = yes ; then
1132 WERROR_CFLAGS="-Werror"
1135 # NOTE: Don't add -Wall or -Wunused, they both include
1136 # -Wunused-parameter which reports bogus warnings.
1137 # NOTE: If you add to this list, remember to update
1138 # gdb/doc/gdbint.texinfo.
1139 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
1140 -Wformat -Wparentheses -Wpointer-arith -Wformat-nonliteral \
1141 -Wunused-label -Wunused-function -Wno-pointer-sign"
1143 # GCC supports -Wuninitialized only with -O or -On, n != 0.
1144 if test x${CFLAGS+set} = xset; then
1148 build_warnings="${build_warnings} -Wuninitialized"
1152 build_warnings="${build_warnings} -Wuninitialized"
1155 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
1156 # -Wunused-function -Wunused-variable -Wunused-value
1157 # -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
1158 # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
1159 # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
1160 # -Woverloaded-virtual -Winline -Werror"
1161 AC_ARG_ENABLE(build-warnings,
1162 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1163 [case "${enableval}" in
1165 no) build_warnings="-w";;
1166 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1167 build_warnings="${build_warnings} ${t}";;
1168 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1169 build_warnings="${t} ${build_warnings}";;
1170 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1172 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1173 echo "Setting compiler warning flags = $build_warnings" 6>&1
1175 AC_ARG_ENABLE(gdb-build-warnings,
1176 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1177 [case "${enableval}" in
1179 no) build_warnings="-w";;
1180 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1181 build_warnings="${build_warnings} ${t}";;
1182 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1183 build_warnings="${t} ${build_warnings}";;
1184 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1186 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1187 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1190 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1192 AC_MSG_CHECKING(compiler warning flags)
1193 # Separate out the -Werror flag as some files just cannot be
1194 # compiled with it enabled.
1195 for w in ${build_warnings}; do
1197 -Werr*) WERROR_CFLAGS=-Werror ;;
1198 *) # Check that GCC accepts it
1199 saved_CFLAGS="$CFLAGS"
1201 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1202 CFLAGS="$saved_CFLAGS"
1205 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
1207 AC_SUBST(WARN_CFLAGS)
1208 AC_SUBST(WERROR_CFLAGS)
1210 # In the Cygwin environment, we need some additional flags.
1211 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1212 [AC_EGREP_CPP(lose, [
1213 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1215 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1218 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1219 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1221 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1222 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1223 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1225 AC_SUBST(SER_HARDWIRE)
1227 # libreadline needs libuser32.a in a cygwin environment
1229 if test x$gdb_cv_os_cygwin = xyes; then
1230 WIN32LIBS="-luser32"
1232 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1237 # The ser-tcp.c module requires sockets.
1240 AC_DEFINE(USE_WIN32API, 1,
1241 [Define if we should use the Windows API, instead of the
1242 POSIX API. On Windows, we use the Windows API when
1243 building for MinGW, but the POSIX API when building
1245 WIN32LIBS="$WIN32LIBS -lws2_32"
1250 # Add any host-specific objects to GDB.
1251 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1253 LIBGUI="../libgui/src/libgui.a"
1254 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1256 AC_SUBST(GUI_CFLAGS_X)
1260 AC_SUBST(WIN32LDAPP)
1272 if test "${enable_gdbtk}" = "yes"; then
1274 # Gdbtk must have an absolute path to srcdir in order to run
1275 # properly when not installed.
1281 CY_AC_PATH_TCLCONFIG
1282 if test -z "${no_tcl}"; then
1283 CY_AC_LOAD_TCLCONFIG
1286 # now look for Tcl library stuff
1288 tcldir="../tcl/${configdir}/"
1290 TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1292 # If $no_tk is nonempty, then we can't do Tk, and there is no
1293 # point to doing Tcl.
1294 if test -z "${no_tk}"; then
1302 # now look for Tk library stuff
1304 tkdir="../tk/${configdir}/"
1306 TK_DEPS="${tkdir}${TK_LIB_FILE}"
1308 # now look for Itcl library stuff
1310 CY_AC_PATH_ITCLCONFIG
1311 if test -z "${no_itcl}"; then
1312 CY_AC_LOAD_ITCLCONFIG
1314 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1315 ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1319 # now look for Itk library stuff
1320 CY_AC_PATH_ITKCONFIG
1321 if test -z "${no_itcl}"; then
1322 CY_AC_LOAD_ITKCONFIG
1324 ITKLIB="${ITK_BUILD_LIB_SPEC}"
1325 ITK_DEPS="${ITK_LIB_FULL_PATH}"
1328 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1330 # Include some libraries that Tcl and Tk want.
1331 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1332 # Yes, the ordering seems wrong here. But it isn't.
1333 # TK_LIBS is the list of libraries that need to be linked
1334 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1335 # were in LIBS then any link tests after this point would
1336 # try to include things like `$(LIBGUI)', which wouldn't work.
1337 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1339 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1340 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1341 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1342 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1343 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1344 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1345 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1347 if test x$gdb_cv_os_cygwin = xyes; then
1348 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1349 WIN32LDAPP="-Wl,--subsystem,console"
1350 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1355 AC_CONFIG_SUBDIRS(gdbtk)
1368 AC_SUBST(GDBTK_CFLAGS)
1369 AC_SUBST(GDBTK_SRC_DIR)
1373 # Check whether we should enable the TUI, but only do so if we really
1375 if test x"$enable_tui" = xyes; then
1376 if test -d $srcdir/tui; then
1377 if test "$ac_cv_search_waddstr" != no; then
1378 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
1379 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
1380 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
1381 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
1382 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
1383 CONFIG_ALL="${CONFIG_ALL} all-tui"
1384 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
1385 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
1386 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
1388 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
1393 # Unlike the sim directory, whether a simulator is linked is controlled by
1394 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
1395 # This code just checks for a few cases where we'd like to ignore those
1396 # definitions, even when they're present in the '.mt' file. These cases
1397 # are when --disable-sim is specified, or if the simulator directory is
1398 # not part of the source tree.
1401 [ --enable-sim Link gdb with simulator],
1402 [echo "enable_sim = $enable_sim";
1403 echo "enableval = ${enableval}";
1404 case "${enableval}" in
1405 yes) ignore_sim=false ;;
1406 no) ignore_sim=true ;;
1407 *) ignore_sim=false ;;
1411 if test ! -d "${srcdir}/../sim"; then
1415 if test "${ignore_sim}" = "true"; then
1417 IGNORE_SIM_OBS="SIM_OBS="
1421 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1423 AC_SUBST(IGNORE_SIM)
1424 AC_SUBST(IGNORE_SIM_OBS)
1426 AC_SUBST(ENABLE_CFLAGS)
1427 AC_SUBST(PROFILE_CFLAGS)
1429 AC_SUBST(CONFIG_OBS)
1430 AC_SUBST(CONFIG_DEPS)
1431 AC_SUBST(CONFIG_SRCS)
1432 AC_SUBST(CONFIG_ALL)
1433 AC_SUBST(CONFIG_CLEAN)
1434 AC_SUBST(CONFIG_INSTALL)
1435 AC_SUBST(CONFIG_UNINSTALL)
1437 # List of host floatformats.
1438 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1439 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1440 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1442 # target_subdir is used by the testsuite to find the target libraries.
1444 if test "${host}" != "${target}"; then
1445 target_subdir="${target_alias}/"
1447 AC_SUBST(target_subdir)
1450 if test "${target}" = "${host}"; then
1451 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1452 if test ! -f ${host_makefile_frag}; then
1453 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1455 frags="$frags $host_makefile_frag"
1457 host_makefile_frag=/dev/null
1460 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1461 if test ! -f ${target_makefile_frag}; then
1462 AC_MSG_ERROR("*** Gdb does not support target ${target}")
1464 frags="$frags $target_makefile_frag"
1466 AC_SUBST_FILE(host_makefile_frag)
1467 AC_SUBST_FILE(target_makefile_frag)
1472 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1473 ' ${host_makefile_frag}`
1475 targetfile=`sed -n '
1476 s/DEPRECATED_TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1477 ' ${target_makefile_frag}`
1479 if test "${target}" = "${host}"; then
1480 # We pick this up from the host configuration file (.mh) because we
1481 # do not have a native configuration Makefile fragment.
1482 nativefile=`sed -n '
1483 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1484 ' ${host_makefile_frag}`
1488 if test x"${gdb_osabi}" != x ; then
1489 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1490 [Define to the default OS ABI for this configuration.])
1493 # Enable multi-ice-gdb-server.
1494 AC_ARG_ENABLE(multi-ice,
1495 [ --enable-multi-ice build the multi-ice-gdb-server],
1499 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1501 if test "x$enable_multi_ice" = xyes; then
1502 AC_CONFIG_SUBDIRS(multi-ice)
1505 # We only build gdbserver automatically if host and target are the same.
1506 if test "x$target" = "x$host"; then
1507 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1508 if test "x$build_gdbserver" = xyes; then
1510 AC_CONFIG_SUBDIRS(gdbserver)
1516 # We configure the nlm subdirectory on netware targets, as instructed
1518 if test "x$build_nlm" = xyes; then
1519 AC_CONFIG_SUBDIRS(nlm)
1522 # If hostfile (XM_FILE) and/or targetfile (DEPRECATED_TM_FILE) and/or
1523 # nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1524 # to an empty version.
1531 if test "${hostfile}" != ""; then
1533 case "${hostfile}" in
1534 xm-*.h ) GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}" ;;
1535 * ) GDB_XM_FILE="${hostfile}"
1537 files="${files} ${GDB_XM_FILE}"
1538 links="${links} xm.h"
1539 AC_DEFINE_UNQUOTED(GDB_XM_FILE, "${GDB_XM_FILE}", [hostfile])
1545 if test "${targetfile}" != ""; then
1547 case "${targetfile}" in
1548 tm-*.h ) GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}" ;;
1549 * ) GDB_TM_FILE="${targetfile}"
1551 files="${files} ${GDB_TM_FILE}"
1552 links="${links} tm.h"
1553 AC_DEFINE_UNQUOTED(GDB_TM_FILE, "${GDB_TM_FILE}", [targetfile])
1559 if test "${nativefile}" != ""; then
1561 case "${nativefile}" in
1562 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1563 * ) GDB_NM_FILE="${nativefile}"
1565 files="${files} ${GDB_NM_FILE}"
1566 links="${links} nm.h"
1567 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1571 AC_LINK_FILES($files, $links)
1573 dnl Check for exe extension set on certain hosts (e.g. Win32)
1576 dnl Detect the character set used by this host.
1578 dnl At the moment, we just assume it's ISO-8859-1 (which is a
1579 dnl superset of ASCII containing the characters needed for French,
1580 dnl German, Spanish, Italian, and possibly others), but if were
1581 dnl *were* to support any host character sets other than ISO-8859-1,
1582 dnl here's where we'd detect it.
1583 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1584 [Define to be a string naming the default host character set.])
1588 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1590 dnl Autoconf doesn't provide a mechanism for modifying definitions
1591 dnl provided by makefile fragments.
1595 sed -e '/^DEPRECATED_TM_FILE[ ]*=/s,^DEPRECATED_TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1596 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1597 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1598 mv -f Makefile.tmp Makefile
1602 case x$CONFIG_HEADERS in
1603 xconfig.h:config.in)
1608 gdb_host_cpu=$gdb_host_cpu
1609 gdb_target_cpu=$gdb_target_cpu
1610 nativefile=$nativefile