4a1b21640c9d2bd6ecc9f2c307f237f5c4d4630e
[deliverable/binutils-gdb.git] / gdb / configure.ac
1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
3 dnl Free Software Foundation, Inc.
4 dnl
5 dnl This file is part of GDB.
6 dnl
7 dnl This program is free software; you can redistribute it and/or modify
8 dnl it under the terms of the GNU General Public License as published by
9 dnl the Free Software Foundation; either version 2 of the License, or
10 dnl (at your option) any later version.
11 dnl
12 dnl This program is distributed in the hope that it will be useful,
13 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
14 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 dnl GNU General Public License for more details.
16 dnl
17 dnl You should have received a copy of the GNU General Public License
18 dnl along with this program; if not, write to the Free Software
19 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20
21 dnl Process this file with autoconf to produce a configure script.
22
23 AC_PREREQ(2.59)dnl
24 AC_INIT(main.c)
25 AC_CONFIG_HEADER(config.h:config.in)
26 AM_MAINTAINER_MODE
27
28 AC_PROG_CC
29 AC_GNU_SOURCE
30 AC_AIX
31 AC_ISC_POSIX
32 AM_PROG_CC_STDC
33
34 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
35 AC_CANONICAL_SYSTEM
36
37 dnl List of object files and targets accumulated by configure.
38
39 CONFIG_OBS=
40 CONFIG_DEPS=
41 CONFIG_SRCS=
42 ENABLE_CFLAGS=
43
44 CONFIG_ALL=
45 CONFIG_CLEAN=
46 CONFIG_INSTALL=
47 CONFIG_UNINSTALL=
48
49 dnl Set up for gettext. PACKAGE is used when we call bindtextdomain.
50
51 CY_GNU_GETTEXT
52
53 localedir='${datadir}/locale'
54 AC_SUBST(localedir)
55
56 if test "x$POSUB" != x; then
57
58 dnl Lifted from GCC's config/gettext.m4.
59 AC_MSG_CHECKING(for catalogs to be installed)
60 # Look for .po and .gmo files in the source directory.
61 CATALOGS= AC_SUBST(CATALOGS)
62 XLINGUAS=
63 for cat in $srcdir/po/*.gmo $srcdir/po/*.po; do
64 # If there aren't any .gmo files the shell will give us the
65 # literal string "../path/to/srcdir/po/*.gmo" which has to be
66 # weeded out.
67 case "$cat" in *\**)
68 continue;;
69 esac
70 # The quadruple backslash is collapsed to a double backslash
71 # by the backticks, then collapsed again by the double quotes,
72 # leaving us with one backslash in the sed expression (right
73 # before the dot that mustn't act as a wildcard).
74 cat=`echo $cat | sed -e "s!$srcdir/!!" -e "s!\\\\.po!.gmo!"`
75 lang=`echo $cat | sed -e 's!po/!!' -e "s!\\\\.gmo!!"`
76 # The user is allowed to set LINGUAS to a list of languages to
77 # install catalogs for. If it's empty that means "all of them."
78 if test "x$LINGUAS" = x; then
79 CATALOGS="$CATALOGS $cat"
80 XLINGUAS="$XLINGUAS $lang"
81 else
82 case "$LINGUAS" in *$lang*)
83 CATALOGS="$CATALOGS $cat"
84 XLINGUAS="$XLINGUAS $lang"
85 ;;
86 esac
87 fi
88 done
89 LINGUAS="$XLINGUAS"
90 AC_MSG_RESULT($LINGUAS)
91
92 CONFIG_ALL="$CONFIG_ALL all-po"
93 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
94 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
95 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
96 fi
97
98 PACKAGE=gdb
99 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
100 AC_SUBST(PACKAGE)
101
102 debugdir=${libdir}/debug
103
104 AC_ARG_WITH(separate-debug-dir,
105 [ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
106 [debugdir="${withval}"])
107
108 AC_DEFINE_DIR(DEBUGDIR, debugdir,
109 [Global directory for separate debug files. ])
110 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
111
112 AC_CONFIG_SUBDIRS(doc testsuite)
113
114 . $srcdir/configure.host
115
116 . $srcdir/configure.tgt
117
118 # Fetch the default architecture and default target vector from BFD.
119 targ=$target; . $srcdir/../bfd/config.bfd
120
121 # We only want the first architecture, so strip off the others if
122 # there is more than one.
123 targ_archs=`echo $targ_archs | sed 's/ .*//'`
124
125 if test "x$targ_archs" != x; then
126 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
127 [Define to BFD's default architecture. ])
128 fi
129 if test "x$targ_defvec" != x; then
130 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
131 [Define to BFD's default target vector. ])
132 fi
133
134 AC_ARG_PROGRAM
135
136 # The CLI cannot be disabled yet, but may be in the future.
137
138 # Enable CLI.
139 AC_ARG_ENABLE(gdbcli,
140 [ --disable-gdbcli disable command-line interface (CLI)],
141 [case $enableval in
142 yes)
143 ;;
144 no)
145 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
146 *)
147 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
148 esac],
149 [enable_gdbcli=yes])
150 if test x"$enable_gdbcli" = xyes; then
151 if test -d $srcdir/cli; then
152 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
153 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
154 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
155 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
156 fi
157 fi
158
159 # Enable MI.
160 AC_ARG_ENABLE(gdbmi,
161 [ --disable-gdbmi disable machine-interface (MI)],
162 [case $enableval in
163 yes | no)
164 ;;
165 *)
166 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
167 esac],
168 [enable_gdbmi=yes])
169 if test x"$enable_gdbmi" = xyes; then
170 if test -d $srcdir/mi; then
171 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
172 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
173 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
174 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
175 fi
176 fi
177
178 # Enable TUI.
179 AC_ARG_ENABLE(tui,
180 [ --enable-tui enable full-screen terminal user interface (TUI)],
181 [case $enableval in
182 yes | no)
183 ;;
184 *)
185 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
186 esac],enable_tui=yes)
187
188 # Enable gdbtk.
189 AC_ARG_ENABLE(gdbtk,
190 [ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
191 [case $enableval in
192 yes | no)
193 ;;
194 *)
195 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
196 esac],
197 [if test -d $srcdir/gdbtk; then
198 enable_gdbtk=yes
199 else
200 enable_gdbtk=no
201 fi])
202 # We unconditionally disable gdbtk tests on selected platforms.
203 case $host_os in
204 go32* | windows*)
205 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
206 enable_gdbtk=no ;;
207 esac
208
209 # Libunwind support.
210 AC_ARG_WITH(libunwind,
211 [ --with-libunwind Use libunwind frame unwinding support],
212 [case "${withval}" in
213 yes) enable_libunwind=yes ;;
214 no) enable_libunwind=no ;;
215 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
216 esac],[
217 AC_CHECK_HEADERS(libunwind.h)
218 AC_CHECK_HEADERS(libunwind-ia64.h)
219 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
220 enable_libunwind=yes;
221 fi
222 ])
223
224 if test x"$enable_libunwind" = xyes; then
225 AC_CHECK_HEADERS(libunwind.h)
226 AC_CHECK_HEADERS(libunwind-ia64.h)
227 AC_DEFINE(HAVE_LIBUNWIND, 1)
228 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
229 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
230 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
231 fi
232
233 # Profiling support.
234 AC_ARG_ENABLE(profiling,
235 [ --enable-profiling enable profiling of GDB],
236 [case $enableval in
237 yes | no)
238 ;;
239 *)
240 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
241 esac],
242 [enable_profiling=no])
243
244 AC_CHECK_FUNCS(monstartup _mcleanup)
245 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
246 [AC_TRY_LINK(
247 [#include <stdlib.h>
248 extern char _etext;
249 ],
250 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
251 if test $ac_cv_var__etext = yes; then
252 AC_DEFINE(HAVE__ETEXT, 1,
253 [Define to 1 if your system has the _etext variable. ])
254 fi
255 if test "$enable_profiling" = yes ; then
256 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
257 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
258 fi
259 PROFILE_CFLAGS=-pg
260 OLD_CFLAGS="$CFLAGS"
261 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
262
263 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
264 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
265 ac_cv_cc_supports_pg=no)])
266
267 if test $ac_cv_cc_supports_pg = no; then
268 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
269 fi
270
271 CFLAGS="$OLD_CFLAGS"
272 fi
273
274 # --------------------- #
275 # Checks for programs. #
276 # --------------------- #
277
278 AC_PROG_AWK
279 AC_PROG_INSTALL
280 AC_PROG_LN_S
281 AC_PROG_RANLIB
282 AC_PROG_YACC
283
284 AC_CHECK_TOOL(AR, ar)
285 AC_CHECK_TOOL(DLLTOOL, dlltool)
286 AC_CHECK_TOOL(WINDRES, windres)
287
288 # Needed for GNU/Hurd.
289 AC_CHECK_TOOL(MIG, mig)
290
291 # ---------------------- #
292 # Checks for libraries. #
293 # ---------------------- #
294
295 # We might need to link with -lm; most simulators need it.
296 AC_CHECK_LIB(m, main)
297
298 # We need to link with -lw to get `wctype' on Solaris before Solaris
299 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
300 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
301 # is known to have this problem). Therefore we avoid libw if we can.
302 AC_CHECK_FUNC(wctype, [],
303 [AC_CHECK_LIB(w, wctype)])
304
305 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
306 AC_SEARCH_LIBS(gethostbyname, nsl)
307
308 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
309 AC_SEARCH_LIBS(socketpair, socket)
310
311 # For the TUI, we need enhanced curses functionality.
312 #
313 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
314 # curses library because the latter might not provide all the
315 # functionality we need. However, this leads to problems on systems
316 # where the linker searches /usr/local/lib, but the compiler doesn't
317 # search /usr/local/include, if ncurses is installed in /usr/local. A
318 # default installation of ncurses on alpha*-dec-osf* will lead to such
319 # a situation.
320 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
321
322 # Since GDB uses Readline, we need termcap functionality. In many
323 # cases this will be provided by the curses library, but some systems
324 # have a seperate termcap library, or no curses library at all.
325
326 case $host_os in
327 cygwin*)
328 if test -d $srcdir/libtermcap; then
329 LIBS="../libtermcap/libtermcap.a $LIBS"
330 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
331 fi ;;
332 go32* | *djgpp*)
333 ac_cv_search_tgetent="none required"
334 ;;
335 esac
336
337 # These are the libraries checked by Readline.
338 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
339
340 if test "$ac_cv_search_tgetent" = no; then
341 AC_MSG_ERROR([no termcap library found])
342 fi
343
344 # ------------------------- #
345 # Checks for header files. #
346 # ------------------------- #
347
348 AC_HEADER_DIRENT
349 AC_HEADER_STAT
350 AC_HEADER_STDC
351 AC_CHECK_HEADERS(nlist.h)
352 AC_CHECK_HEADERS(link.h, [], [],
353 [#if HAVE_SYS_TYPES_H
354 # include <sys/types.h>
355 #endif
356 #if HAVE_NLIST_H
357 # include <nlist.h>
358 #endif
359 ])
360 AC_CHECK_HEADERS(machine/reg.h)
361 AC_CHECK_HEADERS(poll.h sys/poll.h)
362 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
363 AC_CHECK_HEADERS(stddef.h)
364 AC_CHECK_HEADERS(stdlib.h)
365 AC_CHECK_HEADERS(stdint.h)
366 AC_CHECK_HEADERS(string.h memory.h strings.h)
367 AC_CHECK_HEADERS(sys/fault.h)
368 AC_CHECK_HEADERS(sys/file.h)
369 AC_CHECK_HEADERS(sys/filio.h)
370 AC_CHECK_HEADERS(sys/ioctl.h)
371 AC_CHECK_HEADERS(sys/param.h)
372 AC_CHECK_HEADERS(sys/proc.h, [], [],
373 [#if HAVE_SYS_PARAM_H
374 # include <sys/param.h>
375 #endif
376 ])
377 AC_CHECK_HEADERS(sys/procfs.h)
378 AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
379 AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
380 AC_CHECK_HEADERS(sys/select.h)
381 AC_CHECK_HEADERS(sys/syscall.h)
382 AC_CHECK_HEADERS(sys/types.h)
383 AC_CHECK_HEADERS(sys/user.h, [], [],
384 [#if HAVE_SYS_PARAM_H
385 # include <sys/param.h>
386 #endif
387 ])
388 AC_CHECK_HEADERS(sys/wait.h wait.h)
389 AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
390 AC_CHECK_HEADERS(unistd.h)
391
392 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
393 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
394 # think that we don't have <curses.h> if we're using GCC.
395 case $host_os in
396 solaris2.[[789]])
397 if test "$GCC" = yes; then
398 AC_DEFINE(_MSE_INT_H, 1,
399 [[Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
400 Solaris 2.[789] when using GCC. ]])
401 fi ;;
402 esac
403 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
404 AC_CHECK_HEADERS(ncurses/term.h)
405 AC_CHECK_HEADERS(term.h, [], [],
406 [#if HAVE_CURSES_H
407 # include <curses.h>
408 #endif
409 ])
410
411 # FIXME: kettenis/20030102: In most cases we include these
412 # unconditionally, so what's the point in checking these?
413 AC_CHECK_HEADERS(ctype.h time.h)
414
415 # ------------------------- #
416 # Checks for declarations. #
417 # ------------------------- #
418
419 AC_CHECK_DECLS([free, malloc, realloc])
420 AC_CHECK_DECLS([strerror, strstr])
421 AC_CHECK_DECLS(getopt)
422
423 # ----------------------- #
424 # Checks for structures. #
425 # ----------------------- #
426
427 AC_CHECK_MEMBERS([struct stat.st_blocks])
428
429 # ------------------ #
430 # Checks for types. #
431 # ------------------ #
432
433 AC_TYPE_SIGNAL
434
435 # ------------------------------------- #
436 # Checks for compiler characteristics. #
437 # ------------------------------------- #
438
439 AC_C_CONST
440 AC_C_INLINE
441
442 # ------------------------------ #
443 # Checks for library functions. #
444 # ------------------------------ #
445
446 AC_FUNC_ALLOCA
447 AC_FUNC_MMAP
448 AC_FUNC_VFORK
449 AC_CHECK_FUNCS(canonicalize_file_name realpath)
450 AC_CHECK_FUNCS(poll)
451 AC_CHECK_FUNCS(pread64)
452 AC_CHECK_FUNCS(sbrk)
453 AC_CHECK_FUNCS(setpgid setpgrp)
454 AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
455 AC_CHECK_FUNCS(socketpair)
456 AC_CHECK_FUNCS(syscall)
457 AC_CHECK_FUNCS(ttrace)
458 AC_CHECK_FUNCS(wborder)
459
460 # Check the return and argument types of ptrace. No canned test for
461 # this, so roll our own.
462 gdb_ptrace_headers='
463 #if HAVE_SYS_TYPES_H
464 # include <sys/types.h>
465 #endif
466 #if HAVE_SYS_PTRACE_H
467 # include <sys/ptrace.h>
468 #endif
469 #if HAVE_UNISTD_H
470 # include <unistd.h>
471 #endif
472 '
473 # There is no point in checking if we don't have a prototype.
474 AC_CHECK_DECLS(ptrace, [], [
475 : ${gdb_cv_func_ptrace_ret='int'}
476 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
477 ], $gdb_ptrace_headers)
478 # Check return type.
479 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
480 AC_TRY_COMPILE($gdb_ptrace_headers,
481 [extern int ptrace ();],
482 gdb_cv_func_ptrace_ret='int',
483 gdb_cv_func_ptrace_ret='long'))
484 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
485 [Define as the return type of ptrace.])
486 # Check argument types.
487 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
488 for gdb_arg1 in 'int' 'long'; do
489 for gdb_arg2 in 'pid_t' 'int' 'long'; do
490 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long'; do
491 for gdb_arg4 in 'int' 'long'; do
492 AC_TRY_COMPILE($gdb_ptrace_headers, [
493 extern $gdb_cv_func_ptrace_ret
494 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
495 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
496 break 4;])
497 for gdb_arg5 in 'int *' 'int' 'long'; do
498 AC_TRY_COMPILE($gdb_ptrace_headers, [
499 extern $gdb_cv_func_ptrace_ret
500 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
501 ], [
502 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
503 break 5;])
504 done
505 done
506 done
507 done
508 done
509 # Provide a safe default value.
510 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
511 ])
512 ac_save_IFS=$IFS; IFS=','
513 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
514 IFS=$ac_save_IFS
515 shift
516 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
517 [Define to the type of arg 3 for ptrace.])
518 if test -n "$[5]"; then
519 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
520 [Define to the type of arg 5 for ptrace.])
521 fi
522
523 dnl AC_FUNC_SETPGRP does not work when cross compiling
524 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
525 if test "$cross_compiling" = no; then
526 AC_FUNC_SETPGRP
527 else
528 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
529 [AC_TRY_COMPILE([
530 #include <unistd.h>
531 ], [
532 if (setpgrp(1,1) == -1)
533 exit (0);
534 else
535 exit (1);
536 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
537 if test $ac_cv_func_setpgrp_void = yes; then
538 AC_DEFINE(SETPGRP_VOID, 1)
539 fi
540 fi
541
542 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
543 # since sigsetjmp might only be defined as a macro.
544 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
545 [AC_TRY_COMPILE([
546 #include <setjmp.h>
547 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
548 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
549 if test $gdb_cv_func_sigsetjmp = yes; then
550 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
551 fi
552
553 # Assume we'll default to using the included libiberty regex.
554 gdb_use_included_regex=yes
555
556 # However, if the system regex is GNU regex, then default to *not*
557 # using the included regex.
558 AC_CACHE_CHECK(
559 [for GNU regex],
560 [gdb_cv_have_gnu_regex],
561 [AC_TRY_COMPILE(
562 [#include <gnu-versions.h>],
563 [#define REGEX_INTERFACE_VERSION 1
564 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
565 # error "Version mismatch"
566 #endif],
567 gdb_cv_have_gnu_regex=yes,
568 gdb_cv_have_gnu_regex=no)])
569 if test $gdb_cv_have_gnu_regex = yes; then
570 gdb_use_included_regex=no
571 fi
572
573 AC_ARG_WITH(included-regex,
574 [ --without-included-regex don't use included regex; this is the default
575 on systems with version 2 of the GNU C library
576 (use with caution on other system)],
577 gdb_with_regex=$withval,
578 gdb_with_regex=$gdb_use_included_regex)
579 if test "$gdb_with_regex" = yes; then
580 AC_DEFINE(USE_INCLUDED_REGEX, 1,
581 [Define to 1 if the regex included in libiberty should be used.])
582 fi
583
584 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
585 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
586 [#include <sys/param.h>
587 #include <sys/proc.h>
588 ])
589
590 # See if <sys/lwp.h> defines `struct lwp`.
591 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
592 [AC_TRY_COMPILE([#include <sys/param.h>
593 #include <sys/lwp.h>], [struct lwp l;],
594 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
595 if test $gdb_cv_struct_lwp = yes; then
596 AC_DEFINE(HAVE_STRUCT_LWP, 1,
597 [Define to 1 if your system has struct lwp.])
598 fi
599
600 # See if <machine/reg.h> degines `struct reg'.
601 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
602 [AC_TRY_COMPILE([#include <sys/types.h>
603 #include <machine/reg.h>], [struct reg r;],
604 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
605 if test $gdb_cv_struct_reg = yes; then
606 AC_DEFINE(HAVE_STRUCT_REG, 1,
607 [Define to 1 if your system has struct reg in <machine/reg.h>.])
608 fi
609
610 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
611 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
612 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
613 [#include <machine/reg.h>])
614
615 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
616 AC_MSG_CHECKING(for PTRACE_GETREGS)
617 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
618 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
619 [PTRACE_GETREGS;],
620 [gdb_cv_have_ptrace_getregs=yes],
621 [gdb_cv_have_ptrace_getregs=no])])
622 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
623 if test $gdb_cv_have_ptrace_getregs = yes; then
624 AC_DEFINE(HAVE_PTRACE_GETREGS)
625 fi
626
627 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
628 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
629 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
630 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
631 [PTRACE_GETFPXREGS;],
632 [gdb_cv_have_ptrace_getfpxregs=yes],
633 [gdb_cv_have_ptrace_getfpxregs=no])])
634 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
635 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
636 AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
637 fi
638
639 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
640 AC_MSG_CHECKING(for PT_GETDBREGS)
641 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
642 [AC_TRY_COMPILE([#include <sys/types.h>
643 #include <sys/ptrace.h>],
644 [PT_GETDBREGS;],
645 [gdb_cv_have_pt_getdbregs=yes],
646 [gdb_cv_have_pt_getdbregs=no])])
647 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
648 if test $gdb_cv_have_pt_getdbregs = yes; then
649 AC_DEFINE(HAVE_PT_GETDBREGS)
650 fi
651
652 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
653 AC_MSG_CHECKING(for PT_GETXMMREGS)
654 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
655 [AC_TRY_COMPILE([#include <sys/types.h>
656 #include <sys/ptrace.h>],
657 [PT_GETXMMREGS;],
658 [gdb_cv_have_pt_getxmmregs=yes],
659 [gdb_cv_have_pt_getxmmregs=no])])
660 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
661 if test $gdb_cv_have_pt_getxmmregs = yes; then
662 AC_DEFINE(HAVE_PT_GETXMMREGS)
663 fi
664
665 # See if stdint.h provides the uintptr_t type.
666 # Autoconf 2.5X has an improved AC_CHECK_TYPE which will simplify this.
667 AC_CACHE_CHECK([for uintptr_t in stdint.h], gdb_cv_have_uintptr_t,
668 [AC_TRY_COMPILE(
669 [#include <stdint.h>],
670 [uintptr_t foo = 0;],
671 gdb_cv_have_uintptr_t=yes,
672 gdb_cv_have_uintptr_t=no)])
673 if test $gdb_cv_have_uintptr_t = yes; then
674 AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if <stdint.h> provides the uintptr_t type.])
675 fi
676
677 # If we are configured native on GNU/Linux, work around problems with
678 # sys/procfs.h
679 # Also detect which type of /proc is in use, such as for Unixware or Solaris.
680
681 if test "${target}" = "${host}"; then
682 case "${host}" in
683 i[[3456]]86-*-linux*)
684 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
685 AC_DEFINE(sys_quotactl)
686 ;;
687 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
688 AC_DEFINE(NEW_PROC_API)
689 ;;
690 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]])
691 AC_DEFINE(NEW_PROC_API)
692 ;;
693 mips-sgi-irix5*)
694 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
695 AC_DEFINE([_KMEMUSER], 1)
696 ;;
697 esac
698 fi
699
700 if test "$ac_cv_header_sys_procfs_h" = yes; then
701 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
702 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
703 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
704 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
705 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
706 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
707 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
708 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
709 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
710 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
711 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
712 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
713 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
714 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
715
716
717 dnl Check for broken prfpregset_t type
718
719 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
720 dnl prfpregset_t type (it's a typedef for the pointer to a struct
721 dnl instead of the struct itself). We detect this here, and work
722 dnl around it in gdb_proc_service.h.
723
724 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
725 AC_MSG_CHECKING(whether prfpregset_t type is broken)
726 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
727 [AC_TRY_RUN([#include <sys/procfs.h>
728 int main ()
729 {
730 if (sizeof (prfpregset_t) == sizeof (void *))
731 return 1;
732 return 0;
733 }],
734 gdb_cv_prfpregset_t_broken=no,
735 gdb_cv_prfpregset_t_broken=yes,
736 gdb_cv_prfpregset_t_broken=yes)])
737 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
738 if test $gdb_cv_prfpregset_t_broken = yes; then
739 AC_DEFINE(PRFPREGSET_T_BROKEN)
740 fi
741 fi
742
743 dnl Check for PIOCSET ioctl entry
744
745 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
746 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
747 [AC_TRY_COMPILE([#include <unistd.h>
748 #include <sys/types.h>
749 #include <sys/procfs.h>
750 ], [
751 int dummy;;
752 dummy = ioctl(0, PIOCSET, &dummy);
753 ],
754 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
755 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
756 if test $gdb_cv_have_procfs_piocset = yes; then
757 AC_DEFINE(HAVE_PROCFS_PIOCSET)
758 fi
759 fi
760
761 dnl For native ports (host == target), check to see what kind of
762 dnl legacy link.h support is needed. (See solib-legacy.c.)
763 if test ${host} = ${target} ; then
764 dnl Check for struct link_map with l_ members which are indicative
765 dnl of SVR4-like shared libraries
766
767 AC_MSG_CHECKING(for member l_addr in struct link_map)
768 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
769 [AC_TRY_COMPILE([#include <link.h>],
770 [struct link_map lm; (void) lm.l_addr;],
771 gdb_cv_have_struct_link_map_with_l_members=yes,
772 gdb_cv_have_struct_link_map_with_l_members=no)])
773 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
774 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
775 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS)
776 fi
777
778 dnl Check for struct link_map with lm_ members which are indicative
779 dnl of SunOS-like shared libraries
780
781 AC_MSG_CHECKING(for member lm_addr in struct link_map)
782 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
783 [AC_TRY_COMPILE([#include <sys/types.h>
784 #include <link.h>],
785 [struct link_map lm; (void) lm.lm_addr;],
786 gdb_cv_have_struct_link_map_with_lm_members=yes,
787 gdb_cv_have_struct_link_map_with_lm_members=no)])
788 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
789 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
790 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS)
791 fi
792
793 dnl Check for struct so_map with som_ members which are found on
794 dnl some *BSD systems.
795
796 AC_MSG_CHECKING(for member som_addr in struct so_map)
797 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
798 [AC_TRY_COMPILE([#include <sys/types.h>
799 #ifdef HAVE_NLIST_H
800 #include <nlist.h>
801 #endif
802 #include <link.h>],
803 [struct so_map lm; (void) lm.som_addr;],
804 gdb_cv_have_struct_so_map_with_som_members=yes,
805 gdb_cv_have_struct_so_map_with_som_members=no)])
806 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
807 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
808 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS)
809 fi
810
811 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
812 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
813
814 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
815 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
816 [AC_TRY_COMPILE([#define _SYSCALL32
817 #include <sys/link.h>], [struct link_map32 l;],
818 gdb_cv_have_struct_link_map32=yes,
819 gdb_cv_have_struct_link_map32=no)])
820 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
821 if test $gdb_cv_have_struct_link_map32 = yes; then
822 AC_DEFINE(HAVE_STRUCT_LINK_MAP32)
823 AC_DEFINE(_SYSCALL32)
824 fi
825 fi
826
827 # Check if the compiler supports the `long long' type.
828
829 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
830 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
831 [[extern long long foo;]],
832 [[switch (foo & 2) { case 0: return 1; }]])],
833 gdb_cv_c_long_long=yes,
834 gdb_cv_c_long_long=no)])
835 if test $gdb_cv_c_long_long = yes; then
836 AC_DEFINE(CC_HAS_LONG_LONG, 1,
837 [Define to 1 if the compiler supports long long.])
838 fi
839
840 # Check if the compiler and runtime support printing long longs.
841
842 AC_CACHE_CHECK([for long long support in printf],
843 gdb_cv_printf_has_long_long,
844 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
845 [[char buf[32];
846 long long l = 0;
847 l = (l << 16) + 0x0123;
848 l = (l << 16) + 0x4567;
849 l = (l << 16) + 0x89ab;
850 l = (l << 16) + 0xcdef;
851 sprintf (buf, "0x%016llx", l);
852 return (strcmp ("0x0123456789abcdef", buf));]])],
853 gdb_cv_printf_has_long_long=yes,
854 gdb_cv_printf_has_long_long=no,
855 gdb_cv_printf_has_long_long=no)])
856 if test $gdb_cv_printf_has_long_long = yes; then
857 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
858 [Define to 1 if the "%ll" format works to print long longs.])
859 fi
860
861 # Check if the compiler supports the `long double' type. We can't use
862 # AC_C_LONG_DOUBLE because that one does additional checks on the
863 # constants defined in <float.h> that fail on some systems,
864 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
865
866 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
867 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
868 gdb_cv_c_long_double=yes,
869 gdb_cv_c_long_double=no)])
870 if test $gdb_cv_c_long_double = yes; then
871 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
872 [Define to 1 if the compiler supports long double.])
873 fi
874
875 # Check if the compiler and runtime support printing long doubles.
876
877 AC_CACHE_CHECK([for long double support in printf],
878 gdb_cv_printf_has_long_double,
879 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
880 [[char buf[16];
881 long double f = 3.141592653;
882 sprintf (buf, "%Lg", f);
883 return (strncmp ("3.14159", buf, 7));]])],
884 gdb_cv_printf_has_long_double=yes,
885 gdb_cv_printf_has_long_double=no,
886 gdb_cv_printf_has_long_double=no)])
887 if test $gdb_cv_printf_has_long_double = yes; then
888 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
889 [Define to 1 if the "%Lg" format works to print long doubles.])
890 fi
891
892 # Check if the compiler and runtime support scanning long doubles.
893
894 AC_CACHE_CHECK([for long double support in scanf],
895 gdb_cv_scanf_has_long_double,
896 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
897 [[#include <stdio.h>]],
898 [[char *buf = "3.141592653";
899 long double f = 0;
900 sscanf (buf, "%Lg", &f);
901 return !(f > 3.14159 && f < 3.14160);]])],
902 gdb_cv_scanf_has_long_double=yes,
903 gdb_cv_scanf_has_long_double=no,
904 gdb_cv_scanf_has_long_double=no)])
905 if test $gdb_cv_scanf_has_long_double = yes; then
906 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
907 [Define to 1 if the "%Lg" format works to scan long doubles.])
908 fi
909
910 case ${host_os} in
911 aix*)
912 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
913 SAVE_LDFLAGS=$LDFLAGS
914
915 case $GCC in
916 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
917 *) gdb_cv_bigtoc=-bbigtoc ;;
918 esac
919
920 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
921 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
922 LDFLAGS="${SAVE_LDFLAGS}"
923 ])
924 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
925 ;;
926 esac
927
928
929 dnl For certain native configurations, we need to check whether thread
930 dnl support can be built in or not.
931 dnl
932 dnl Note that we only want this if we are both native (host == target),
933 dnl and not doing a canadian cross build (build == host).
934
935 if test ${build} = ${host} -a ${host} = ${target} ; then
936 case ${host_os} in
937 hpux*)
938 AC_MSG_CHECKING(for HPUX/OSF thread support)
939 if test -f /usr/include/dce/cma_config.h ; then
940 if test "$GCC" = "yes" ; then
941 AC_MSG_RESULT(yes)
942 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
943 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
944 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
945 else
946 AC_MSG_RESULT(no (suppressed because you are not using GCC))
947 fi
948 else
949 AC_MSG_RESULT(no)
950 fi
951 ;;
952 solaris*)
953 # See if thread_db library is around for Solaris thread debugging.
954 # Note that we must explicitly test for version 1 of the library
955 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
956 # the same API.
957 AC_MSG_CHECKING(for Solaris thread debugging library)
958 if test -f /usr/lib/libthread_db.so.1 ; then
959 AC_MSG_RESULT(yes)
960 AC_DEFINE(HAVE_THREAD_DB_LIB)
961 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
962 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
963 AC_CHECK_LIB(dl, dlopen)
964 if test "$GCC" = "yes" ; then
965 # The GNU linker requires the -export-dynamic option to make
966 # all symbols visible in the dynamic symbol table.
967 hold_ldflags=$LDFLAGS
968 AC_MSG_CHECKING(for the ld -export-dynamic flag)
969 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
970 AC_TRY_LINK(, [int i;], found=yes, found=no)
971 LDFLAGS=$hold_ldflags
972 AC_MSG_RESULT($found)
973 if test $found = yes; then
974 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
975 fi
976 fi
977 # Sun randomly tweaked the prototypes in <proc_service.h>
978 # at one point.
979 AC_MSG_CHECKING(if <proc_service.h> is old)
980 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
981 AC_TRY_COMPILE([
982 #include <proc_service.h>
983 ps_err_e ps_pdwrite
984 (struct ps_prochandle*, psaddr_t, const void*, size_t);
985 ],, gdb_cv_proc_service_is_old=no,
986 gdb_cv_proc_service_is_old=yes)
987 ])
988 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
989 if test $gdb_cv_proc_service_is_old = yes; then
990 AC_DEFINE(PROC_SERVICE_IS_OLD)
991 fi
992 else
993 AC_MSG_RESULT(no)
994 fi
995 ;;
996 aix*)
997 AC_MSG_CHECKING(for AiX thread debugging library)
998 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
999 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1000 [#ifndef PTHDB_VERSION_3
1001 #error
1002 #endif],
1003 gdb_cv_have_aix_thread_debug=yes,
1004 gdb_cv_have_aix_thread_debug=no)])
1005 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1006 if test $gdb_cv_have_aix_thread_debug = yes; then
1007 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1008 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1009 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1010 fi
1011 ;;
1012 esac
1013 AC_SUBST(CONFIG_LDFLAGS)
1014 fi
1015
1016 dnl See if we have a thread_db header file that has TD_NOTALLOC.
1017 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1018 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1019 gdb_cv_thread_db_h_has_td_notalloc,
1020 AC_TRY_COMPILE(
1021 [#include <thread_db.h>],
1022 [int i = TD_NOTALLOC;],
1023 gdb_cv_thread_db_h_has_td_notalloc=yes,
1024 gdb_cv_thread_db_h_has_td_notalloc=no
1025 )
1026 )
1027 fi
1028 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1029 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1030 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1031 fi
1032
1033 dnl See if we have a sys/syscall header file that has __NR_tkill.
1034 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1035 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1036 gdb_cv_sys_syscall_h_has_tkill,
1037 AC_TRY_COMPILE(
1038 [#include <sys/syscall.h>],
1039 [int i = __NR_tkill;],
1040 gdb_cv_sys_syscall_h_has_tkill=yes,
1041 gdb_cv_sys_syscall_h_has_tkill=no
1042 )
1043 )
1044 fi
1045 dnl See if we can issue tkill syscall.
1046 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1047 AC_DEFINE(HAVE_TKILL_SYSCALL, 1,
1048 [Define if we can use the tkill syscall.])
1049 fi
1050
1051 dnl Handle optional features that can be enabled.
1052
1053 AC_ARG_WITH(sysroot,
1054 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1055 [
1056 case ${with_sysroot} in
1057 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1058 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1059 esac
1060
1061 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1062
1063 if test "x$exec_prefix" = xNONE; then
1064 if test "x$prefix" = xNONE; then
1065 test_prefix=/usr/local
1066 else
1067 test_prefix=$prefix
1068 fi
1069 else
1070 test_prefix=$exec_prefix
1071 fi
1072 case ${TARGET_SYSTEM_ROOT} in
1073 "${test_prefix}"|"${test_prefix}/"*|\
1074 '${exec_prefix}'|'${exec_prefix}/'*)
1075 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1076 TARGET_SYSTEM_ROOT_DEFINE="$t"
1077 ;;
1078 esac
1079 ], [
1080 TARGET_SYSTEM_ROOT=
1081 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1082 ])
1083 AC_SUBST(TARGET_SYSTEM_ROOT)
1084 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1085
1086 # NOTE: Don't add -Wall or -Wunused, they both include
1087 # -Wunused-parameter which reports bogus warnings.
1088 # NOTE: If you add to this list, remember to update
1089 # gdb/doc/gdbint.texinfo.
1090 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
1091 -Wformat -Wparentheses -Wpointer-arith -Wuninitialized -Wformat-nonliteral \
1092 -Wunused-label -Wunused-function"
1093 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
1094 # -Wunused-function -Wunused-variable -Wunused-value
1095 # -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
1096 # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
1097 # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
1098 # -Woverloaded-virtual -Winline -Werror"
1099 AC_ARG_ENABLE(build-warnings,
1100 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1101 [case "${enableval}" in
1102 yes) ;;
1103 no) build_warnings="-w";;
1104 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1105 build_warnings="${build_warnings} ${t}";;
1106 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1107 build_warnings="${t} ${build_warnings}";;
1108 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1109 esac
1110 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1111 echo "Setting compiler warning flags = $build_warnings" 6>&1
1112 fi])dnl
1113 AC_ARG_ENABLE(gdb-build-warnings,
1114 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1115 [case "${enableval}" in
1116 yes) ;;
1117 no) build_warnings="-w";;
1118 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1119 build_warnings="${build_warnings} ${t}";;
1120 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1121 build_warnings="${t} ${build_warnings}";;
1122 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1123 esac
1124 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1125 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1126 fi])dnl
1127 WARN_CFLAGS=""
1128 WERROR_CFLAGS=""
1129 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1130 then
1131 AC_MSG_CHECKING(compiler warning flags)
1132 # Separate out the -Werror flag as some files just cannot be
1133 # compiled with it enabled.
1134 for w in ${build_warnings}; do
1135 case $w in
1136 -Werr*) WERROR_CFLAGS=-Werror ;;
1137 *) # Check that GCC accepts it
1138 saved_CFLAGS="$CFLAGS"
1139 CFLAGS="$CFLAGS $w"
1140 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1141 CFLAGS="$saved_CFLAGS"
1142 esac
1143 done
1144 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
1145 fi
1146 AC_SUBST(WARN_CFLAGS)
1147 AC_SUBST(WERROR_CFLAGS)
1148
1149 # In the Cygwin environment, we need some additional flags.
1150 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1151 [AC_EGREP_CPP(lose, [
1152 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1153 lose
1154 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1155
1156
1157 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1158 SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
1159 case ${host} in
1160 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1161 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1162 esac
1163 AC_SUBST(SER_HARDWIRE)
1164
1165 # libreadline needs libuser32.a in a cygwin environment
1166 WIN32LIBS=
1167 if test x$gdb_cv_os_cygwin = xyes; then
1168 WIN32LIBS="-luser32"
1169 case "${target}" in
1170 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1171 ;;
1172 esac
1173 fi
1174 AC_SUBST(WIN32LIBS)
1175
1176 LIBGUI="../libgui/src/libgui.a"
1177 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1178 AC_SUBST(LIBGUI)
1179 AC_SUBST(GUI_CFLAGS_X)
1180
1181 WIN32LDAPP=
1182 AC_SUBST(WIN32LIBS)
1183 AC_SUBST(WIN32LDAPP)
1184
1185 case "${host}" in
1186 *-*-cygwin*)
1187 configdir="win"
1188 ;;
1189 *)
1190 configdir="unix"
1191 ;;
1192 esac
1193
1194 GDBTKLIBS=
1195 if test "${enable_gdbtk}" = "yes"; then
1196
1197 # Gdbtk must have an absolute path to srcdir in order to run
1198 # properly when not installed.
1199 here=`pwd`
1200 cd ${srcdir}
1201 GDBTK_SRC_DIR=`pwd`
1202 cd $here
1203
1204 CY_AC_PATH_TCLCONFIG
1205 if test -z "${no_tcl}"; then
1206 CY_AC_LOAD_TCLCONFIG
1207 CY_AC_PATH_TKCONFIG
1208
1209 # now look for Tcl library stuff
1210
1211 tcldir="../tcl/${configdir}/"
1212
1213 TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1214
1215 # If $no_tk is nonempty, then we can't do Tk, and there is no
1216 # point to doing Tcl.
1217 if test -z "${no_tk}"; then
1218 CY_AC_LOAD_TKCONFIG
1219 CY_AC_PATH_TCLH
1220 CY_AC_PATH_TKH
1221 CY_AC_PATH_ITCLH
1222 CY_AC_PATH_ITKH
1223
1224
1225 # now look for Tk library stuff
1226
1227 tkdir="../tk/${configdir}/"
1228
1229 TK_DEPS="${tkdir}${TK_LIB_FILE}"
1230
1231 # now look for Itcl library stuff
1232
1233 CY_AC_PATH_ITCLCONFIG
1234 if test -z "${no_itcl}"; then
1235 CY_AC_LOAD_ITCLCONFIG
1236
1237 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1238 ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1239 fi
1240
1241
1242 # now look for Itk library stuff
1243 CY_AC_PATH_ITKCONFIG
1244 if test -z "${no_itcl}"; then
1245 CY_AC_LOAD_ITKCONFIG
1246
1247 ITKLIB="${ITK_BUILD_LIB_SPEC}"
1248 ITK_DEPS="${ITK_LIB_FULL_PATH}"
1249 fi
1250
1251 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1252 # Tcl/Tk 8.1 require -fwritable strings. I don't
1253 # know whether 8.2 will or not, but I bet it will.
1254 # I don't have to worry about 7.x since we don't support it.
1255 GDBTK_CFLAGS=""
1256 if test "$GCC" = "yes"; then
1257 if test "$TCL_VERSION" != "8.0" ; then
1258 GDBTK_CFLAGS="-fwritable-strings"
1259 fi
1260 fi
1261
1262 # Include some libraries that Tcl and Tk want.
1263 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1264 # Yes, the ordering seems wrong here. But it isn't.
1265 # TK_LIBS is the list of libraries that need to be linked
1266 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1267 # were in LIBS then any link tests after this point would
1268 # try to include things like `$(LIBGUI)', which wouldn't work.
1269 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1270
1271 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1272 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1273 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1274 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1275 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1276 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1277 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1278
1279 if test x$gdb_cv_os_cygwin = xyes; then
1280 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1281 WIN32LDAPP="-Wl,--subsystem,console"
1282 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1283 fi
1284 fi
1285 fi
1286
1287 AC_CONFIG_SUBDIRS(gdbtk)
1288 fi
1289
1290 AC_SUBST(X_CFLAGS)
1291 AC_SUBST(X_LDFLAGS)
1292 AC_SUBST(X_LIBS)
1293 AC_SUBST(TCL_DEPS)
1294 AC_SUBST(TK_DEPS)
1295 AC_SUBST(ITCLLIB)
1296 AC_SUBST(ITCL_DEPS)
1297 AC_SUBST(ITKLIB)
1298 AC_SUBST(ITK_DEPS)
1299 AC_SUBST(GDBTKLIBS)
1300 AC_SUBST(GDBTK_CFLAGS)
1301 AC_SUBST(GDBTK_SRC_DIR)
1302
1303 AC_PATH_X
1304
1305 # Check whether we should enable the TUI, but only do so if we really
1306 # can.
1307 if test x"$enable_tui" = xyes; then
1308 if test -d $srcdir/tui; then
1309 if test "$ac_cv_search_waddstr" != no; then
1310 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
1311 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
1312 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
1313 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
1314 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
1315 CONFIG_ALL="${CONFIG_ALL} all-tui"
1316 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
1317 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
1318 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
1319 else
1320 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
1321 fi
1322 fi
1323 fi
1324
1325 # Unlike the sim directory, whether a simulator is linked is controlled by
1326 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
1327 # This code just checks for a few cases where we'd like to ignore those
1328 # definitions, even when they're present in the '.mt' file. These cases
1329 # are when --disable-sim is specified, or if the simulator directory is
1330 # not part of the source tree.
1331 #
1332 AC_ARG_ENABLE(sim,
1333 [ --enable-sim Link gdb with simulator],
1334 [echo "enable_sim = $enable_sim";
1335 echo "enableval = ${enableval}";
1336 case "${enableval}" in
1337 yes) ignore_sim=false ;;
1338 no) ignore_sim=true ;;
1339 *) ignore_sim=false ;;
1340 esac],
1341 [ignore_sim=false])
1342
1343 if test ! -d "${srcdir}/../sim"; then
1344 ignore_sim=true
1345 fi
1346
1347 if test "${ignore_sim}" = "true"; then
1348 IGNORE_SIM="SIM="
1349 IGNORE_SIM_OBS="SIM_OBS="
1350 else
1351 IGNORE_SIM=""
1352 IGNORE_SIM_OBS=""
1353 AC_DEFINE(WITH_SIM)
1354 fi
1355 AC_SUBST(IGNORE_SIM)
1356 AC_SUBST(IGNORE_SIM_OBS)
1357
1358 AC_SUBST(ENABLE_CFLAGS)
1359 AC_SUBST(PROFILE_CFLAGS)
1360
1361 AC_SUBST(CONFIG_OBS)
1362 AC_SUBST(CONFIG_DEPS)
1363 AC_SUBST(CONFIG_SRCS)
1364 AC_SUBST(CONFIG_ALL)
1365 AC_SUBST(CONFIG_CLEAN)
1366 AC_SUBST(CONFIG_INSTALL)
1367 AC_SUBST(CONFIG_UNINSTALL)
1368
1369 # List of host floatformats.
1370 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1371 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1372 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1373
1374 # target_subdir is used by the testsuite to find the target libraries.
1375 target_subdir=
1376 if test "${host}" != "${target}"; then
1377 target_subdir="${target_alias}/"
1378 fi
1379 AC_SUBST(target_subdir)
1380
1381 frags=
1382 if test "${target}" = "${host}"; then
1383 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1384 if test ! -f ${host_makefile_frag}; then
1385 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1386 fi
1387 frags="$frags $host_makefile_frag"
1388 else
1389 host_makefile_frag=/dev/null
1390 fi
1391
1392 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1393 if test ! -f ${target_makefile_frag}; then
1394 AC_MSG_ERROR("*** Gdb does not support target ${target}")
1395 fi
1396 frags="$frags $target_makefile_frag"
1397
1398 AC_SUBST_FILE(host_makefile_frag)
1399 AC_SUBST_FILE(target_makefile_frag)
1400 AC_SUBST(frags)
1401
1402 changequote(,)dnl
1403 hostfile=`sed -n '
1404 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1405 ' ${host_makefile_frag}`
1406
1407 targetfile=`sed -n '
1408 s/DEPRECATED_TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1409 ' ${target_makefile_frag}`
1410
1411 if test "${target}" = "${host}"; then
1412 # We pick this up from the host configuration file (.mh) because we
1413 # do not have a native configuration Makefile fragment.
1414 nativefile=`sed -n '
1415 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1416 ' ${host_makefile_frag}`
1417 fi
1418 changequote([,])
1419
1420 if test x"${gdb_osabi}" != x ; then
1421 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1422 [Define to the default OS ABI for this configuration.])
1423 fi
1424
1425 # Enable multi-ice-gdb-server.
1426 AC_ARG_ENABLE(multi-ice,
1427 [ --enable-multi-ice build the multi-ice-gdb-server],
1428 [case $enableval in
1429 yes | no)
1430 ;;
1431 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1432 esac])
1433 if test "x$enable_multi_ice" = xyes; then
1434 AC_CONFIG_SUBDIRS(multi-ice)
1435 fi
1436
1437 # We only build gdbserver automatically if host and target are the same.
1438 if test "x$target" = "x$host"; then
1439 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1440 if test "x$build_gdbserver" = xyes; then
1441 AC_MSG_RESULT(yes)
1442 AC_CONFIG_SUBDIRS(gdbserver)
1443 else
1444 AC_MSG_RESULT(no)
1445 fi
1446 fi
1447
1448 # We build rdi-share on ARM-based targets, as instructed by configure.tgt.
1449 if test "x$build_rdi_share" = xyes; then
1450 AC_CONFIG_SUBDIRS(rdi-share)
1451 fi
1452
1453 # We configure the nlm subdirectory on netware targets, as instructed
1454 # by configure.tgt.
1455 if test "x$build_nlm" = xyes; then
1456 AC_CONFIG_SUBDIRS(nlm)
1457 fi
1458
1459 # If hostfile (XM_FILE) and/or targetfile (DEPRECATED_TM_FILE) and/or
1460 # nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1461 # to an empty version.
1462
1463 files=
1464 links=
1465
1466 rm -f xm.h
1467 xm_h=""
1468 if test "${hostfile}" != ""; then
1469 xm_h=xm.h
1470 case "${hostfile}" in
1471 xm-*.h ) GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}" ;;
1472 * ) GDB_XM_FILE="${hostfile}"
1473 esac
1474 files="${files} ${GDB_XM_FILE}"
1475 links="${links} xm.h"
1476 AC_DEFINE_UNQUOTED(GDB_XM_FILE, "${GDB_XM_FILE}")
1477 fi
1478 AC_SUBST(xm_h)
1479
1480 rm -f tm.h
1481 tm_h=""
1482 if test "${targetfile}" != ""; then
1483 tm_h=tm.h
1484 case "${targetfile}" in
1485 tm-*.h ) GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}" ;;
1486 * ) GDB_TM_FILE="${targetfile}"
1487 esac
1488 files="${files} ${GDB_TM_FILE}"
1489 links="${links} tm.h"
1490 AC_DEFINE_UNQUOTED(GDB_TM_FILE, "${GDB_TM_FILE}")
1491 fi
1492 AC_SUBST(tm_h)
1493
1494 rm -f nm.h
1495 nm_h=""
1496 if test "${nativefile}" != ""; then
1497 nm_h=nm.h
1498 case "${nativefile}" in
1499 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1500 * ) GDB_NM_FILE="${nativefile}"
1501 esac
1502 files="${files} ${GDB_NM_FILE}"
1503 links="${links} nm.h"
1504 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}")
1505 fi
1506 AC_SUBST(nm_h)
1507
1508 AC_LINK_FILES($files, $links)
1509
1510 dnl Check for exe extension set on certain hosts (e.g. Win32)
1511 AC_EXEEXT
1512
1513 dnl Detect the character set used by this host.
1514
1515 dnl At the moment, we just assume it's ISO-8859-1 (which is a
1516 dnl superset of ASCII containing the characters needed for French,
1517 dnl German, Spanish, Italian, and possibly others), but if were
1518 dnl *were* to support any host character sets other than ISO-8859-1,
1519 dnl here's where we'd detect it.
1520 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1521 [Define to be a string naming the default host character set.])
1522
1523 AM_ICONV
1524
1525 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1526 [
1527 dnl Autoconf doesn't provide a mechanism for modifying definitions
1528 dnl provided by makefile fragments.
1529 dnl
1530
1531 changequote(,)dnl
1532 sed -e '/^DEPRECATED_TM_FILE[ ]*=/s,^DEPRECATED_TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1533 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1534 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1535 mv -f Makefile.tmp Makefile
1536 changequote([,])dnl
1537
1538
1539 case x$CONFIG_HEADERS in
1540 xconfig.h:config.in)
1541 echo > stamp-h ;;
1542 esac
1543 ],
1544 [
1545 gdb_host_cpu=$gdb_host_cpu
1546 gdb_target_cpu=$gdb_target_cpu
1547 nativefile=$nativefile
1548 ])
1549
1550 exit 0
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