* configure.in: Search for gethostbyname in libnsl.
[deliverable/binutils-gdb.git] / gdb / configure.in
... / ...
CommitLineData
1dnl Autoconf configure script for GDB, the GNU debugger.
2dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3dnl Free Software Foundation, Inc.
4dnl
5dnl This file is part of GDB.
6dnl
7dnl This program is free software; you can redistribute it and/or modify
8dnl it under the terms of the GNU General Public License as published by
9dnl the Free Software Foundation; either version 2 of the License, or
10dnl (at your option) any later version.
11dnl
12dnl This program is distributed in the hope that it will be useful,
13dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
14dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15dnl GNU General Public License for more details.
16dnl
17dnl You should have received a copy of the GNU General Public License
18dnl along with this program; if not, write to the Free Software
19dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20
21dnl Process this file with autoconf to produce a configure script.
22
23AC_PREREQ(2.13)dnl
24AC_INIT(main.c)
25AC_CONFIG_HEADER(config.h:config.in)
26AM_MAINTAINER_MODE
27
28AC_PROG_CC
29AC_GNU_SOURCE
30AC_AIX
31AC_ISC_POSIX
32AM_PROG_CC_STDC
33
34AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
35AC_CANONICAL_SYSTEM
36
37# FIXME: kettenis/20030102: The AC_PROG_RANLIB from Autoconf 2.13
38# doesn't support cross-compilation, but the one from Autoconf 2.5x
39# does. Override RANLIB here (i.e. before running AC_PROG_RANLIB) to
40# deal with the lossage. Note that CY_GNU_GETTEXT currently calls
41# AC_PROG_RANLIB. This can be removed when we switch to Autoconf
42# 2.5x.
43AC_CHECK_TOOL(RANLIB, ranlib, :)
44
45dnl Set up for gettext. PACKAGE is used when we call bindtextdomain.
46ALL_LINGUAS=
47CY_GNU_GETTEXT
48AC_DEFINE(PACKAGE, "gdb", [Name of this package. ])
49
50debugdir=${libdir}/debug
51
52AC_ARG_WITH(separate-debug-dir,
53[ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
54[debugdir="${withval}"])
55
56AC_DEFINE_DIR(DEBUGDIR, debugdir,
57 [Global directory for separate debug files. ])
58#AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
59
60dnl List of object files added by configure.
61
62CONFIG_OBS=
63CONFIG_LIB_OBS=
64CONFIG_DEPS=
65CONFIG_SRCS=
66CONFIG_INITS=
67ENABLE_CFLAGS=
68CONFIG_ALL=
69CONFIG_CLEAN=
70CONFIG_INSTALL=
71CONFIG_UNINSTALL=
72
73AC_CONFIG_SUBDIRS(doc testsuite)
74configdirs=
75
76. $srcdir/configure.host
77
78. $srcdir/configure.tgt
79
80# Fetch the default architecture and default target vector from BFD.
81targ=$target; . $srcdir/../bfd/config.bfd
82
83# We only want the first architecture, so strip off the others if
84# there is more than one.
85targ_archs=`echo $targ_archs | sed 's/ .*//'`
86
87if test "x$targ_archs" != x; then
88 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
89 [Define to BFD's default architecture. ])
90fi
91if test "x$targ_defvec" != x; then
92 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
93 [Define to BFD's default target vector. ])
94fi
95
96AC_ARG_PROGRAM
97
98# The CLI cannot be disabled yet, but may be in the future.
99
100# Enable CLI.
101AC_ARG_ENABLE(gdbcli,
102[ --disable-gdbcli disable command-line interface (CLI)],
103 [case $enableval in
104 yes)
105 ;;
106 no)
107 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
108 *)
109 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
110 esac],
111 [enable_gdbcli=yes])
112if test x"$enable_gdbcli" = xyes; then
113 if test -d $srcdir/cli; then
114 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
115 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
116 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
117 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_CLI_INITS)"
118 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
119 CONFIG_ALL="$CONFIG_ALL \$(SUBDIR_CLI_ALL)"
120 CONFIG_CLEAN="$CONFIG_CLEAN \$(SUBDIR_CLI_CLEAN)"
121 CONFIG_INSTALL="$CONFIG_INSTALL \$(SUBDIR_CLI_INSTALL)"
122 CONFIG_UNINSTALL="$CONFIG_UNINSTALL \$(SUBDIR_CLI_UNINSTALL)"
123 fi
124fi
125
126# Enable MI.
127AC_ARG_ENABLE(gdbmi,
128[ --disable-gdbmi disable machine-interface (MI)],
129 [case $enableval in
130 yes | no)
131 ;;
132 *)
133 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
134 esac],
135 [enable_gdbmi=yes])
136if test x"$enable_gdbmi" = xyes; then
137 if test -d $srcdir/mi; then
138 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
139 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
140 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
141 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_MI_INITS)"
142 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
143 CONFIG_ALL="$CONFIG_ALL \$(SUBDIR_MI_ALL)"
144 CONFIG_CLEAN="$CONFIG_CLEAN \$(SUBDIR_MI_CLEAN)"
145 CONFIG_INSTALL="$CONFIG_INSTALL \$(SUBDIR_MI_INSTALL)"
146 CONFIG_UNINSTALL="$CONFIG_UNINSTALL \$(SUBDIR_MI_UNINSTALL)"
147 fi
148fi
149
150# Enable TUI.
151AC_ARG_ENABLE(tui,
152[ --enable-tui enable full-screen terminal user interface (TUI)],
153 [case $enableval in
154 yes | no)
155 ;;
156 *)
157 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
158 esac])
159if test x"$enable_tui" = xyes; then
160 if test -d $srcdir/tui; then
161 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
162 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
163 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
164 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
165 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
166 CONFIG_ALL="$CONFIG_ALL \$(SUBDIR_TUI_ALL)"
167 CONFIG_CLEAN="$CONFIG_CLEAN \$(SUBDIR_TUI_CLEAN)"
168 CONFIG_INSTALL="$CONFIG_INSTALL \$(SUBDIR_TUI_INSTALL)"
169 CONFIG_UNINSTALL="$CONFIG_UNINSTALL \$(SUBDIR_TUI_UNINSTALL)"
170 need_curses=yes
171 fi
172fi
173
174# Enable gdbtk.
175AC_ARG_ENABLE(gdbtk,
176[ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
177 [case $enableval in
178 yes | no)
179 ;;
180 *)
181 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
182 esac],
183 [if test -d $srcdir/gdbtk; then
184 enable_gdbtk=yes
185 else
186 enable_gdbtk=no
187 fi])
188# We unconditionally disable gdbtk tests on selected platforms.
189case $host_os in
190 go32* | windows*)
191 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
192 enable_gdbtk=no ;;
193esac
194
195# Profiling support.
196AC_ARG_ENABLE(profiling,
197[ --enable-profiling enable profiling of GDB],
198 [case $enableval in
199 yes | no)
200 ;;
201 *)
202 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
203 esac],
204 [enable_profiling=no])
205
206AC_CHECK_FUNCS(monstartup _mcleanup)
207AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
208[AC_TRY_LINK(
209[#include <stdlib.h>
210extern char _etext;
211],
212[free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
213if test $ac_cv_var__etext = yes; then
214 AC_DEFINE(HAVE__ETEXT, 1,
215 [Define to 1 if your system has the _etext variable. ])
216fi
217if test "$enable_profiling" = yes ; then
218 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
219 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
220 fi
221 PROFILE_CFLAGS=-pg
222 OLD_CFLAGS="$CFLAGS"
223 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
224
225 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
226 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
227 ac_cv_cc_supports_pg=no)])
228
229 if test $ac_cv_cc_supports_pg = no; then
230 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
231 fi
232
233 CFLAGS="$OLD_CFLAGS"
234fi
235
236# --------------------- #
237# Checks for programs. #
238# --------------------- #
239
240AC_PROG_AWK
241AC_PROG_INSTALL
242AC_PROG_LN_S
243AC_PROG_RANLIB
244AC_PROG_YACC
245
246AC_CHECK_TOOL(AR, ar)
247AC_CHECK_TOOL(DLLTOOL, dlltool)
248AC_CHECK_TOOL(WINDRES, windres)
249
250# Needed for GNU/Hurd.
251AC_CHECK_TOOL(MIG, mig)
252
253# ---------------------- #
254# Checks for libraries. #
255# ---------------------- #
256
257# We might need to link with -lm; most simulators need it.
258AC_CHECK_LIB(m, main)
259
260# We need to link with -lw to get `wctype' on Solaris before Solaris
261# 2.6. Solaris 2.6 and beyond have this function in libc, and have a
262# libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
263# is known to have this problem). Therefore we avoid libw if we can.
264AC_CHECK_FUNC(wctype, [],
265 [AC_CHECK_LIB(w, wctype)])
266
267# Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
268AC_SEARCH_LIBS(gethostbyname, nsl)
269
270# Some systems (e.g. Solaris) have `socketpair' in libsocket.
271AC_SEARCH_LIBS(socketpair, socket)
272
273# Since GDB uses Readline, we need termcap functionality, so we need
274# to find a library that provides that. When GDB is configured with
275# --enable-tui, we need full curses functionality.
276#
277# FIXME: kettenis/20030102: We seem to prefer HP curses (Hcurses) over
278# Xcurses on HP-UX; see the `-D__HP_CURSES' in the relevant host
279# Makefile fragments. That's why we need to have `Hcurses' before
280# `curses'. I don't see why we should use HP curses if a more
281# standard curses is available, except that according to HP's
282# documentation one needs to compile `-D_XOPEN_SOURCE_EXTENDED' on
283# HP-UX 10.10 and 10.20.
284
285if test "$need_curses" = yes; then
286 AC_SEARCH_LIBS(initscr, [ncurses Hcurses curses], [],
287 [AC_MSG_ERROR([no curses library found])])
288fi
289
290case $host_os in
291 cygwin*)
292 if test -d $srcdir/libtermcap; then
293 LIBS="../libtermcap/libtermcap.a $LIBS"
294 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
295 fi ;;
296 go32*)
297 # ??? Is this really true?
298 ac_cv_search_tgetent="none required"
299 ;;
300 aix*)
301 # Readline prefers curses over termcap on AIX.
302 # ??? Why?
303 AC_SEARCH_LIBS(tgetent, [tinfo ncurses curses termcap])
304 ;;
305esac
306
307# Note: We used to check for libtermlib and libterminfo too, but
308# Readline doesn't, so I think we're safe with leaving them out.
309AC_SEARCH_LIBS(tgetent, [termcap tinfo ncurses Hcurses curses])
310
311if test "$ac_cv_search_tgetent" = no; then
312 AC_MSG_ERROR([no termcap library found])
313fi
314
315# ------------------------- #
316# Checks for header files. #
317# ------------------------- #
318
319AC_HEADER_DIRENT
320AC_HEADER_STAT
321AC_HEADER_STDC
322AC_CHECK_HEADERS(link.h)
323AC_CHECK_HEADERS(nlist.h)
324AC_CHECK_HEADERS(poll.h sys/poll.h)
325AC_CHECK_HEADERS(proc_service.h thread_db.h)
326AC_CHECK_HEADERS(stddef.h)
327AC_CHECK_HEADERS(stdlib.h)
328AC_CHECK_HEADERS(stdint.h)
329AC_CHECK_HEADERS(string.h memory.h strings.h)
330AC_CHECK_HEADERS(sys/fault.h)
331AC_CHECK_HEADERS(sys/file.h)
332AC_CHECK_HEADERS(sys/filio.h)
333AC_CHECK_HEADERS(sys/ioctl.h)
334AC_CHECK_HEADERS(sys/param.h)
335AC_CHECK_HEADERS(sys/proc.h)
336AC_CHECK_HEADERS(sys/procfs.h)
337AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
338AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
339AC_CHECK_HEADERS(sys/select.h)
340AC_CHECK_HEADERS(sys/syscall.h)
341AC_CHECK_HEADERS(sys/user.h)
342AC_CHECK_HEADERS(sys/wait.h wait.h)
343AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
344AC_CHECK_HEADERS(unistd.h)
345
346# On Solaris 2.[78], we need to define _MSE_INT_H to avoid a clash
347# between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
348# think that we don't have <curses.h> if we're using GCC.
349case $host_os in
350 solaris2.[[78]])
351 if test "$GCC" = yes; then
352 AC_DEFINE(_MSE_INT_H, 1,
353 [[Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
354 Solaris 2.[78] when using GCC. ]])
355 fi ;;
356esac
357AC_CHECK_HEADERS(curses.h ncurses.h term.h)
358
359# FIXME: kettenis/20030102: In most cases we include these
360# unconditionally, so what's the point in checking these?
361AC_CHECK_HEADERS(ctype.h time.h)
362
363# ------------------------- #
364# Checks for declarations. #
365# ------------------------- #
366
367gcc_AC_CHECK_DECLS(getopt)
368
369# ------------------ #
370# Checks for types. #
371# ------------------ #
372
373AC_TYPE_SIGNAL
374
375# ------------------------------------- #
376# Checks for compiler characteristics. #
377# ------------------------------------- #
378
379AC_C_CONST
380AC_C_INLINE
381
382# ------------------------------ #
383# Checks for library functions. #
384# ------------------------------ #
385
386AC_FUNC_ALLOCA
387AC_FUNC_MMAP
388AC_FUNC_VFORK
389AC_CHECK_FUNCS(canonicalize_file_name realpath)
390AC_CHECK_FUNCS(poll)
391AC_CHECK_FUNCS(pread64)
392AC_CHECK_FUNCS(sbrk)
393AC_CHECK_FUNCS(setpgid setpgrp)
394AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
395AC_CHECK_FUNCS(socketpair)
396AC_CHECK_FUNCS(syscall)
397
398dnl AC_FUNC_SETPGRP does not work when cross compiling
399dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
400if test "$cross_compiling" = no; then
401 AC_FUNC_SETPGRP
402else
403 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
404 [AC_TRY_COMPILE([
405#include <unistd.h>
406], [
407 if (setpgrp(1,1) == -1)
408 exit (0);
409 else
410 exit (1);
411], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
412if test $ac_cv_func_setpgrp_void = yes; then
413 AC_DEFINE(SETPGRP_VOID, 1)
414fi
415fi
416
417# Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
418# since sigsetjmp might only be defined as a macro.
419AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
420[AC_TRY_COMPILE([
421#include <setjmp.h>
422], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
423gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
424if test $gdb_cv_func_sigsetjmp = yes; then
425 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
426fi
427
428# Assume we'll default to using the included libiberty regex.
429gdb_use_included_regex=yes
430
431# However, if the system regex is GNU regex, then default to *not*
432# using the included regex.
433AC_CACHE_CHECK(
434 [for GNU regex],
435 [gdb_cv_have_gnu_regex],
436 [AC_TRY_COMPILE(
437 [#include <gnu-versions.h>],
438 [#define REGEX_INTERFACE_VERSION 1
439#if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
440# error "Version mismatch"
441#endif],
442 gdb_cv_have_gnu_regex=yes,
443 gdb_cv_have_gnu_regex=no)])
444if test $gdb_cv_have_gnu_regex = yes; then
445 gdb_use_included_regex=no
446fi
447
448AC_ARG_WITH(included-regex,
449 [ --without-included-regex don't use included regex; this is the default
450 on systems with version 2 of the GNU C library
451 (use with caution on other system)],
452 gdb_with_regex=$withval,
453 gdb_with_regex=$gdb_use_included_regex)
454if test "$gdb_with_regex" = yes; then
455 AC_DEFINE(USE_INCLUDED_REGEX, 1,
456 [Define to 1 if the regex included in libiberty should be used.])
457fi
458
459# See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
460# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
461AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
462[AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_fs;],
463gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)])
464if test $gdb_cv_struct_reg_r_fs = yes; then
465 AC_DEFINE(HAVE_STRUCT_REG_R_FS)
466fi
467AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs,
468[AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_gs;],
469gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)])
470if test $gdb_cv_struct_reg_r_gs = yes; then
471 AC_DEFINE(HAVE_STRUCT_REG_R_GS)
472fi
473
474# See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
475AC_MSG_CHECKING(for PTRACE_GETREGS)
476AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
477[AC_TRY_COMPILE([#include <sys/ptrace.h>],
478 [PTRACE_GETREGS;],
479 [gdb_cv_have_ptrace_getregs=yes],
480 [gdb_cv_have_ptrace_getregs=no])])
481AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
482if test $gdb_cv_have_ptrace_getregs = yes; then
483 AC_DEFINE(HAVE_PTRACE_GETREGS)
484fi
485
486# See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
487AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
488AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
489[AC_TRY_COMPILE([#include <sys/ptrace.h>],
490 [PTRACE_GETFPXREGS;],
491 [gdb_cv_have_ptrace_getfpxregs=yes],
492 [gdb_cv_have_ptrace_getfpxregs=no])])
493AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
494if test $gdb_cv_have_ptrace_getfpxregs = yes; then
495 AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
496fi
497
498# See if <sys/ptrace.h> provides the PT_GETDBREGS request.
499AC_MSG_CHECKING(for PT_GETDBREGS)
500AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
501[AC_TRY_COMPILE([#include <sys/types.h>
502#include <sys/ptrace.h>],
503 [PT_GETDBREGS;],
504 [gdb_cv_have_pt_getdbregs=yes],
505 [gdb_cv_have_pt_getdbregs=no])])
506AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
507if test $gdb_cv_have_pt_getdbregs = yes; then
508 AC_DEFINE(HAVE_PT_GETDBREGS)
509fi
510
511# See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
512AC_MSG_CHECKING(for PT_GETXMMREGS)
513AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
514[AC_TRY_COMPILE([#include <sys/types.h>
515#include <sys/ptrace.h>],
516 [PT_GETXMMREGS;],
517 [gdb_cv_have_pt_getxmmregs=yes],
518 [gdb_cv_have_pt_getxmmregs=no])])
519AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
520if test $gdb_cv_have_pt_getxmmregs = yes; then
521 AC_DEFINE(HAVE_PT_GETXMMREGS)
522fi
523
524# See if stdint.h provides the uintptr_t type.
525# Autoconf 2.5X has an improved AC_CHECK_TYPE which will simplify this.
526AC_CACHE_CHECK([for uintptr_t in stdint.h], gdb_cv_have_uintptr_t,
527 [AC_TRY_COMPILE(
528 [#include <stdint.h>],
529 [uintptr_t foo = 0;],
530 gdb_cv_have_uintptr_t=yes,
531 gdb_cv_have_uintptr_t=no)])
532if test $gdb_cv_have_uintptr_t = yes; then
533 AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if <stdint.h> provides the uintptr_t type.])
534fi
535
536BFD_NEED_DECLARATION(malloc)
537BFD_NEED_DECLARATION(realloc)
538BFD_NEED_DECLARATION(free)
539BFD_NEED_DECLARATION(strerror)
540BFD_NEED_DECLARATION(strdup)
541BFD_NEED_DECLARATION(strstr)
542BFD_NEED_DECLARATION(canonicalize_file_name)
543
544# The following save_state_t checkery is only necessary for HPUX
545# versions earlier than 10.20. When those fade from memory, this
546# could be expunged. --jsm 1999-03-22
547
548AC_MSG_CHECKING(for HPUX save_state structure)
549AC_EGREP_HEADER(save_state_t, machine/save_state.h,
550 gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)
551AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,
552 gdb_cv_hpux_sswide=no)
553if test $gdb_cv_hpux_savestate = yes
554then
555 AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)
556fi
557if test $gdb_cv_hpux_sswide = yes
558then
559 AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)
560fi
561AC_MSG_RESULT($gdb_cv_hpux_sswide)
562
563
564# If we are configured native on GNU/Linux, work around problems with
565# sys/procfs.h
566# Also detect which type of /proc is in use, such as for Unixware or Solaris.
567
568if test "${target}" = "${host}"; then
569 case "${host}" in
570 i[[3456]]86-*-linux*)
571 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
572 AC_DEFINE(sys_quotactl)
573 ;;
574 ia64-*-aix*)
575 AC_DEFINE(NEW_PROC_API)
576 ;;
577 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
578 AC_DEFINE(NEW_PROC_API)
579 ;;
580 *-*-solaris2.[[678]])
581 AC_DEFINE(NEW_PROC_API)
582 ;;
583 esac
584fi
585
586if test "$ac_cv_header_sys_procfs_h" = yes; then
587 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
588 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
589 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
590 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
591 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
592 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
593 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
594 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
595 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
596 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
597 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
598 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
599 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
600 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
601
602
603 dnl Check for broken prfpregset_t type
604
605 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
606 dnl prfpregset_t type (it's a typedef for the pointer to a struct
607 dnl instead of the struct itself). We detect this here, and work
608 dnl around it in gdb_proc_service.h.
609
610 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
611 AC_MSG_CHECKING(whether prfpregset_t type is broken)
612 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
613 [AC_TRY_RUN([#include <sys/procfs.h>
614 int main ()
615 {
616 if (sizeof (prfpregset_t) == sizeof (void *))
617 return 1;
618 return 0;
619 }],
620 gdb_cv_prfpregset_t_broken=no,
621 gdb_cv_prfpregset_t_broken=yes,
622 gdb_cv_prfpregset_t_broken=yes)])
623 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
624 if test $gdb_cv_prfpregset_t_broken = yes; then
625 AC_DEFINE(PRFPREGSET_T_BROKEN)
626 fi
627 fi
628
629 dnl Check for PIOCSET ioctl entry
630
631 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
632 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
633 [AC_TRY_COMPILE([#include <unistd.h>
634#include <sys/types.h>
635#include <sys/procfs.h>
636], [
637 int dummy;;
638 dummy = ioctl(0, PIOCSET, &dummy);
639 ],
640 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
641 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
642 if test $gdb_cv_have_procfs_piocset = yes; then
643 AC_DEFINE(HAVE_PROCFS_PIOCSET)
644 fi
645fi
646
647dnl For native ports (host == target), check to see what kind of
648dnl legacy link.h support is needed. (See solib-legacy.c.)
649if test ${host} = ${target} ; then
650 dnl Check for struct link_map with l_ members which are indicative
651 dnl of SVR4-like shared libraries
652
653 AC_MSG_CHECKING(for member l_addr in struct link_map)
654 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
655 [AC_TRY_COMPILE([#include <link.h>],
656 [struct link_map lm; (void) lm.l_addr;],
657 gdb_cv_have_struct_link_map_with_l_members=yes,
658 gdb_cv_have_struct_link_map_with_l_members=no)])
659 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
660 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
661 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS)
662 fi
663
664 dnl Check for struct link_map with lm_ members which are indicative
665 dnl of SunOS-like shared libraries
666
667 AC_MSG_CHECKING(for member lm_addr in struct link_map)
668 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
669 [AC_TRY_COMPILE([#include <sys/types.h>
670#include <link.h>],
671 [struct link_map lm; (void) lm.lm_addr;],
672 gdb_cv_have_struct_link_map_with_lm_members=yes,
673 gdb_cv_have_struct_link_map_with_lm_members=no)])
674 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
675 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
676 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS)
677 fi
678
679 dnl Check for struct so_map with som_ members which are found on
680 dnl some *BSD systems.
681
682 AC_MSG_CHECKING(for member som_addr in struct so_map)
683 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
684 [AC_TRY_COMPILE([#include <sys/types.h>
685#ifdef HAVE_NLIST_H
686#include <nlist.h>
687#endif
688#include <link.h>],
689 [struct so_map lm; (void) lm.som_addr;],
690 gdb_cv_have_struct_so_map_with_som_members=yes,
691 gdb_cv_have_struct_so_map_with_som_members=no)])
692 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
693 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
694 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS)
695 fi
696
697 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
698 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
699
700 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
701 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
702 [AC_TRY_COMPILE([#define _SYSCALL32
703#include <sys/link.h>], [struct link_map32 l;],
704 gdb_cv_have_struct_link_map32=yes,
705 gdb_cv_have_struct_link_map32=no)])
706 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
707 if test $gdb_cv_have_struct_link_map32 = yes; then
708 AC_DEFINE(HAVE_STRUCT_LINK_MAP32)
709 AC_DEFINE(_SYSCALL32)
710 fi
711fi
712
713dnl See if compiler supports "long long" type.
714
715AC_MSG_CHECKING(for long long support in compiler)
716AC_CACHE_VAL(gdb_cv_c_long_long,
717[AC_TRY_COMPILE(, [
718 extern long long foo;
719 switch (foo & 2) { case 0: return 1; }
720],
721gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
722AC_MSG_RESULT($gdb_cv_c_long_long)
723if test $gdb_cv_c_long_long = yes; then
724 AC_DEFINE(CC_HAS_LONG_LONG)
725fi
726
727dnl See if the compiler and runtime support printing long long
728
729AC_MSG_CHECKING(for long long support in printf)
730AC_CACHE_VAL(gdb_cv_printf_has_long_long,
731[AC_TRY_RUN([
732int main () {
733 char buf[32];
734 long long l = 0;
735 l = (l << 16) + 0x0123;
736 l = (l << 16) + 0x4567;
737 l = (l << 16) + 0x89ab;
738 l = (l << 16) + 0xcdef;
739 sprintf (buf, "0x%016llx", l);
740 return (strcmp ("0x0123456789abcdef", buf));
741}],
742gdb_cv_printf_has_long_long=yes,
743gdb_cv_printf_has_long_long=no,
744gdb_cv_printf_has_long_long=no)])
745if test $gdb_cv_printf_has_long_long = yes; then
746 AC_DEFINE(PRINTF_HAS_LONG_LONG)
747fi
748AC_MSG_RESULT($gdb_cv_printf_has_long_long)
749
750dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
751dnl because autoconf complains about cross-compilation issues. However, this
752dnl code uses the same variables as the macro for compatibility.
753
754AC_MSG_CHECKING(for long double support in compiler)
755AC_CACHE_VAL(ac_cv_c_long_double,
756[AC_TRY_COMPILE(, [long double foo;],
757ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
758AC_MSG_RESULT($ac_cv_c_long_double)
759if test $ac_cv_c_long_double = yes; then
760 AC_DEFINE(HAVE_LONG_DOUBLE)
761fi
762
763dnl See if the compiler and runtime support printing long doubles
764
765AC_MSG_CHECKING(for long double support in printf)
766AC_CACHE_VAL(gdb_cv_printf_has_long_double,
767[AC_TRY_RUN([
768int main () {
769 char buf[16];
770 long double f = 3.141592653;
771 sprintf (buf, "%Lg", f);
772 return (strncmp ("3.14159", buf, 7));
773}],
774gdb_cv_printf_has_long_double=yes,
775gdb_cv_printf_has_long_double=no,
776gdb_cv_printf_has_long_double=no)])
777if test $gdb_cv_printf_has_long_double = yes; then
778 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
779fi
780AC_MSG_RESULT($gdb_cv_printf_has_long_double)
781
782dnl See if the compiler and runtime support scanning long doubles
783
784AC_MSG_CHECKING(for long double support in scanf)
785AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
786[AC_TRY_RUN([
787int main () {
788 char *buf = "3.141592653";
789 long double f = 0;
790 sscanf (buf, "%Lg", &f);
791 return !(f > 3.14159 && f < 3.14160);
792}],
793gdb_cv_scanf_has_long_double=yes,
794gdb_cv_scanf_has_long_double=no,
795gdb_cv_scanf_has_long_double=no)])
796if test $gdb_cv_scanf_has_long_double = yes; then
797 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
798fi
799AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
800
801case ${host_os} in
802aix*)
803 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
804 SAVE_LDFLAGS=$LDFLAGS
805
806 case $GCC in
807 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
808 *) gdb_cv_bigtoc=-bbigtoc ;;
809 esac
810
811 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
812 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
813 ])
814 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
815 ;;
816esac
817
818
819dnl For certain native configurations, we need to check whether thread
820dnl support can be built in or not.
821dnl
822dnl Note that we only want this if we are both native (host == target),
823dnl and not doing a canadian cross build (build == host).
824
825if test ${build} = ${host} -a ${host} = ${target} ; then
826 case ${host_os} in
827 hpux*)
828 AC_MSG_CHECKING(for HPUX/OSF thread support)
829 if test -f /usr/include/dce/cma_config.h ; then
830 if test "$GCC" = "yes" ; then
831 AC_MSG_RESULT(yes)
832 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
833 CONFIG_LIB_OBS="${CONFIG_LIB_OBS} hpux-thread.o"
834 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
835 else
836 AC_MSG_RESULT(no (suppressed because you are not using GCC))
837 fi
838 else
839 AC_MSG_RESULT(no)
840 fi
841 ;;
842 solaris*)
843 # See if thread_db library is around for Solaris thread debugging.
844 # Note that we must explicitly test for version 1 of the library
845 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
846 # the same API.
847 AC_MSG_CHECKING(for Solaris thread debugging library)
848 if test -f /usr/lib/libthread_db.so.1 ; then
849 AC_MSG_RESULT(yes)
850 AC_DEFINE(HAVE_THREAD_DB_LIB)
851 CONFIG_LIB_OBS="${CONFIG_LIB_OBS} sol-thread.o"
852 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
853 AC_CHECK_LIB(dl, dlopen)
854 if test "$GCC" = "yes" ; then
855 # The GNU linker requires the -export-dynamic option to make
856 # all symbols visible in the dynamic symbol table.
857 hold_ldflags=$LDFLAGS
858 AC_MSG_CHECKING(for the ld -export-dynamic flag)
859 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
860 AC_TRY_LINK(, [int i;], found=yes, found=no)
861 LDFLAGS=$hold_ldflags
862 AC_MSG_RESULT($found)
863 if test $found = yes; then
864 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
865 fi
866 fi
867 # Sun randomly tweaked the prototypes in <proc_service.h>
868 # at one point.
869 AC_MSG_CHECKING(if <proc_service.h> is old)
870 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
871 AC_TRY_COMPILE([
872 #include <proc_service.h>
873 ps_err_e ps_pdwrite
874 (struct ps_prochandle*, psaddr_t, const void*, size_t);
875 ],, gdb_cv_proc_service_is_old=no,
876 gdb_cv_proc_service_is_old=yes)
877 ])
878 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
879 if test $gdb_cv_proc_service_is_old = yes; then
880 AC_DEFINE(PROC_SERVICE_IS_OLD)
881 fi
882 else
883 AC_MSG_RESULT(no)
884 fi
885 ;;
886 aix*)
887 AC_MSG_CHECKING(for AiX thread debugging library)
888 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
889 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
890 [#ifndef PTHDB_VERSION_3
891 #error
892 #endif],
893 gdb_cv_have_aix_thread_debug=yes,
894 gdb_cv_have_aix_thread_debug=no)])
895 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
896 if test $gdb_cv_have_aix_thread_debug = yes; then
897 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
898 CONFIG_LIB_OBS="${CONFIG_LIB_OBS} aix-thread.o"
899 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
900 fi
901 ;;
902 esac
903 AC_SUBST(CONFIG_LDFLAGS)
904fi
905
906dnl See if we have a thread_db header file that has TD_NOTALLOC.
907if test "x$ac_cv_header_thread_db_h" = "xyes"; then
908 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
909 gdb_cv_thread_db_h_has_td_notalloc,
910 AC_TRY_COMPILE(
911 [#include <thread_db.h>],
912 [int i = TD_NOTALLOC;],
913 gdb_cv_thread_db_h_has_td_notalloc=yes,
914 gdb_cv_thread_db_h_has_td_notalloc=no
915 )
916 )
917fi
918if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
919 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
920 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
921fi
922
923dnl See if we have a sys/syscall header file that has __NR_tkill.
924if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
925 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
926 gdb_cv_sys_syscall_h_has_tkill,
927 AC_TRY_COMPILE(
928 [#include <sys/syscall.h>],
929 [int i = __NR_tkill;],
930 gdb_cv_sys_syscall_h_has_tkill=yes,
931 gdb_cv_sys_syscall_h_has_tkill=no
932 )
933 )
934fi
935dnl See if we can issue tkill syscall.
936if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
937 AC_DEFINE(HAVE_TKILL_SYSCALL, 1,
938 [Define if we can use the tkill syscall.])
939fi
940
941dnl Handle optional features that can be enabled.
942
943AC_ARG_WITH(sysroot,
944[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
945[
946 case ${with_sysroot} in
947 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
948 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
949 esac
950
951 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
952
953 if test "x$exec_prefix" = xNONE; then
954 if test "x$prefix" = xNONE; then
955 test_prefix=/usr/local
956 else
957 test_prefix=$prefix
958 fi
959 else
960 test_prefix=$exec_prefix
961 fi
962 case ${TARGET_SYSTEM_ROOT} in
963 "${test_prefix}"|"${test_prefix}/"*|\
964 '${exec_prefix}'|'${exec_prefix}/'*)
965 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
966 TARGET_SYSTEM_ROOT_DEFINE="$t"
967 ;;
968 esac
969], [
970 TARGET_SYSTEM_ROOT=
971 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
972])
973AC_SUBST(TARGET_SYSTEM_ROOT)
974AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
975
976# NOTE: Don't add -Wall or -Wunused, they both include
977# -Wunused-parameter which reports bogus warnings.
978# NOTE: If you add to this list, remember to update
979# gdb/doc/gdbint.texinfo.
980build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
981-Wformat -Wparentheses -Wpointer-arith -Wuninitialized -Wformat-nonliteral"
982# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
983# -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
984# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
985# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
986# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
987# -Woverloaded-virtual -Winline -Werror"
988AC_ARG_ENABLE(build-warnings,
989[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
990[case "${enableval}" in
991 yes) ;;
992 no) build_warnings="-w";;
993 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
994 build_warnings="${build_warnings} ${t}";;
995 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
996 build_warnings="${t} ${build_warnings}";;
997 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
998esac
999if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1000 echo "Setting compiler warning flags = $build_warnings" 6>&1
1001fi])dnl
1002AC_ARG_ENABLE(gdb-build-warnings,
1003[ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1004[case "${enableval}" in
1005 yes) ;;
1006 no) build_warnings="-w";;
1007 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1008 build_warnings="${build_warnings} ${t}";;
1009 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1010 build_warnings="${t} ${build_warnings}";;
1011 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1012esac
1013if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1014 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1015fi])dnl
1016WARN_CFLAGS=""
1017WERROR_CFLAGS=""
1018if test "x${build_warnings}" != x -a "x$GCC" = xyes
1019then
1020 AC_MSG_CHECKING(compiler warning flags)
1021 # Separate out the -Werror flag as some files just cannot be
1022 # compiled with it enabled.
1023 for w in ${build_warnings}; do
1024 case $w in
1025 -Werr*) WERROR_CFLAGS=-Werror ;;
1026 *) # Check that GCC accepts it
1027 saved_CFLAGS="$CFLAGS"
1028 CFLAGS="$CFLAGS $w"
1029 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1030 CFLAGS="$saved_CFLAGS"
1031 esac
1032 done
1033 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
1034fi
1035AC_SUBST(WARN_CFLAGS)
1036AC_SUBST(WERROR_CFLAGS)
1037
1038MMALLOC_CFLAGS=
1039MMALLOC=
1040AC_SUBST(MMALLOC_CFLAGS)
1041AC_SUBST(MMALLOC)
1042
1043AC_ARG_WITH(mmalloc,
1044[ --with-mmalloc Use memory mapped malloc package],
1045[case "${withval}" in
1046 yes) want_mmalloc=true ;;
1047 no) want_mmalloc=false;;
1048 *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
1049esac],[want_mmalloc=false])dnl
1050
1051if test x$want_mmalloc = xtrue; then
1052 AC_DEFINE(USE_MMALLOC)
1053 AC_DEFINE(MMCHECK_FORCE)
1054 MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
1055 MMALLOC='../mmalloc/libmmalloc.a'
1056fi
1057
1058# In the Cygwin environment, we need some additional flags.
1059AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1060[AC_EGREP_CPP(lose, [
1061#if defined (__CYGWIN__) || defined (__CYGWIN32__)
1062lose
1063#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1064
1065
1066dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1067SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
1068case ${host} in
1069 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1070 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1071esac
1072AC_SUBST(SER_HARDWIRE)
1073
1074# libreadline needs libuser32.a in a cygwin environment
1075WIN32LIBS=
1076if test x$gdb_cv_os_cygwin = xyes; then
1077 WIN32LIBS="-luser32"
1078 case "${target}" in
1079 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1080 ;;
1081 esac
1082fi
1083AC_SUBST(WIN32LIBS)
1084
1085LIBGUI="../libgui/src/libgui.a"
1086GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1087AC_SUBST(LIBGUI)
1088AC_SUBST(GUI_CFLAGS_X)
1089
1090WIN32LDAPP=
1091AC_SUBST(WIN32LIBS)
1092AC_SUBST(WIN32LDAPP)
1093
1094configdir="unix"
1095
1096GDBTKLIBS=
1097if test "${enable_gdbtk}" = "yes"; then
1098
1099 # Gdbtk must have an absolute path to srcdir in order to run
1100 # properly when not installed.
1101 here=`pwd`
1102 cd ${srcdir}
1103 GDBTK_SRC_DIR=`pwd`
1104 cd $here
1105
1106 CY_AC_PATH_TCLCONFIG
1107 if test -z "${no_tcl}"; then
1108 CY_AC_LOAD_TCLCONFIG
1109 CY_AC_PATH_TKCONFIG
1110
1111 # now look for Tcl library stuff
1112
1113 case "${host}" in
1114 *-*-cygwin*)
1115 tcldir=../tcl/win/
1116 ;;
1117 *)
1118 tcldir=../tcl/unix/
1119 ;;
1120 esac
1121
1122 TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1123
1124 # If $no_tk is nonempty, then we can't do Tk, and there is no
1125 # point to doing Tcl.
1126 if test -z "${no_tk}"; then
1127 CY_AC_LOAD_TKCONFIG
1128 CY_AC_PATH_TCLH
1129 CY_AC_PATH_TKH
1130 CY_AC_PATH_ITCLH
1131 CY_AC_PATH_ITKH
1132
1133
1134 # now look for Tk library stuff
1135
1136 case "${host}" in
1137 *-*-cygwin*)
1138 tkdir=../tk/win/
1139 ;;
1140 *)
1141 tkdir=../tk/unix/
1142 ;;
1143 esac
1144
1145 TK_DEPS="${tkdir}${TK_LIB_FILE}"
1146
1147 # now look for Itcl library stuff
1148
1149 CY_AC_PATH_ITCLCONFIG
1150 if test -z "${no_itcl}"; then
1151 CY_AC_LOAD_ITCLCONFIG
1152
1153 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1154 ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1155 fi
1156
1157
1158 # now look for Itk library stuff
1159 CY_AC_PATH_ITKCONFIG
1160 if test -z "${no_itcl}"; then
1161 CY_AC_LOAD_ITKCONFIG
1162
1163 ITKLIB="${ITK_BUILD_LIB_SPEC}"
1164 ITK_DEPS="${ITK_LIB_FULL_PATH}"
1165 fi
1166
1167 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1168 # Tcl/Tk 8.1 require -fwritable strings. I don't
1169 # know whether 8.2 will or not, but I bet it will.
1170 # I don't have to worry about 7.x since we don't support it.
1171 GDBTK_CFLAGS=""
1172 if test "$GCC" = "yes"; then
1173 if test "$TCL_VERSION" != "8.0" ; then
1174 GDBTK_CFLAGS="-fwritable-strings"
1175 fi
1176 fi
1177
1178 # Include some libraries that Tcl and Tk want.
1179 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1180 # Yes, the ordering seems wrong here. But it isn't.
1181 # TK_LIBS is the list of libraries that need to be linked
1182 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1183 # were in LIBS then any link tests after this point would
1184 # try to include things like `$(LIBGUI)', which wouldn't work.
1185 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1186
1187 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1188 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1189 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1190 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_GDBTK_INITS)"
1191 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
1192 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
1193 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
1194 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
1195
1196 if test x$gdb_cv_os_cygwin = xyes; then
1197 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1198 WIN32LDAPP="-Wl,--subsystem,console"
1199 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1200 fi
1201 fi
1202 fi
1203
1204 configdirs="${configdirs} gdbtk"
1205fi
1206
1207AC_SUBST(X_CFLAGS)
1208AC_SUBST(X_LDFLAGS)
1209AC_SUBST(X_LIBS)
1210AC_SUBST(TCL_DEPS)
1211AC_SUBST(TK_DEPS)
1212AC_SUBST(ITCLLIB)
1213AC_SUBST(ITCL_DEPS)
1214AC_SUBST(ITKLIB)
1215AC_SUBST(ITK_DEPS)
1216AC_SUBST(GDBTKLIBS)
1217AC_SUBST(GDBTK_CFLAGS)
1218AC_SUBST(GDBTK_SRC_DIR)
1219
1220AC_PATH_X
1221
1222
1223# Unlike the sim directory, whether a simulator is linked is controlled by
1224# presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
1225# This code just checks for a few cases where we'd like to ignore those
1226# definitions, even when they're present in the '.mt' file. These cases
1227# are when --disable-sim is specified, or if the simulator directory is
1228# not part of the source tree.
1229#
1230AC_ARG_ENABLE(sim,
1231[ --enable-sim Link gdb with simulator],
1232[echo "enable_sim = $enable_sim";
1233 echo "enableval = ${enableval}";
1234 case "${enableval}" in
1235 yes) ignore_sim=false ;;
1236 no) ignore_sim=true ;;
1237 *) ignore_sim=false ;;
1238 esac],
1239[ignore_sim=false])
1240
1241if test ! -d "${srcdir}/../sim"; then
1242 ignore_sim=true
1243fi
1244
1245if test "${ignore_sim}" = "true"; then
1246 IGNORE_SIM="SIM="
1247 IGNORE_SIM_OBS="SIM_OBS="
1248else
1249 IGNORE_SIM=""
1250 IGNORE_SIM_OBS=""
1251 AC_DEFINE(WITH_SIM)
1252fi
1253AC_SUBST(IGNORE_SIM)
1254AC_SUBST(IGNORE_SIM_OBS)
1255
1256AC_SUBST(ENABLE_CFLAGS)
1257AC_SUBST(PROFILE_CFLAGS)
1258
1259AC_SUBST(CONFIG_OBS)
1260AC_SUBST(CONFIG_LIB_OBS)
1261AC_SUBST(CONFIG_DEPS)
1262AC_SUBST(CONFIG_SRCS)
1263AC_SUBST(CONFIG_INITS)
1264AC_SUBST(CONFIG_ALL)
1265AC_SUBST(CONFIG_CLEAN)
1266AC_SUBST(CONFIG_INSTALL)
1267AC_SUBST(CONFIG_UNINSTALL)
1268
1269# target_subdir is used by the testsuite to find the target libraries.
1270target_subdir=
1271if test "${host}" != "${target}"; then
1272 target_subdir="${target_alias}/"
1273fi
1274AC_SUBST(target_subdir)
1275
1276frags=
1277host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1278if test ! -f ${host_makefile_frag}; then
1279 # When building a native debuger the .mh file containing things
1280 # like NATDEPFILES is needed. Cross debuggers don't need .mh
1281 # since it no longer contains anything useful.
1282 if test "${target}" = "${host}"; then
1283 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1284 else
1285 host_makefile_frag=/dev/null
1286 fi
1287fi
1288frags="$frags $host_makefile_frag"
1289
1290target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1291if test ! -f ${target_makefile_frag}; then
1292AC_MSG_ERROR("*** Gdb does not support target ${target}")
1293fi
1294frags="$frags $target_makefile_frag"
1295
1296AC_SUBST_FILE(host_makefile_frag)
1297AC_SUBST_FILE(target_makefile_frag)
1298AC_SUBST(frags)
1299
1300changequote(,)dnl
1301hostfile=`sed -n '
1302s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1303' ${host_makefile_frag}`
1304
1305targetfile=`sed -n '
1306s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1307' ${target_makefile_frag}`
1308
1309GDB_MULTI_ARCH=`sed -n '
1310s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\1/p
1311' ${target_makefile_frag}`
1312
1313if test "${target}" = "${host}"; then
1314# We pick this up from the host configuration file (.mh) because we
1315# do not have a native configuration Makefile fragment.
1316nativefile=`sed -n '
1317s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1318' ${host_makefile_frag}`
1319fi
1320changequote([,])
1321
1322# New targets should just set gdb_multi_arch=yes in configure.tgt.
1323# Old targets being converted can either do that or set GDB_MULTI_ARCH
1324# in the target specific makefile frag. Eventually gdb_multi_arch=yes
1325# will be the default.
1326if test x"${GDB_MULTI_ARCH}" = x ; then
1327 case "${gdb_multi_arch}" in
1328 yes ) GDB_MULTI_ARCH=GDB_MULTI_ARCH_PURE ;;
1329 no ) GDB_MULTI_ARCH=0 ;;
1330 0|1|2 ) GDB_MULTI_ARCH=${gdb_multi_arch} ;;
1331 esac
1332fi
1333if test x"${GDB_MULTI_ARCH}" != x ; then
1334 AC_DEFINE_UNQUOTED(GDB_MULTI_ARCH, ${GDB_MULTI_ARCH})
1335fi
1336# Warn the user when they use an old practice
1337case "${GDB_MULTI_ARCH}" in
1338 "" ) ;;
1339 0 | GDB_MULTI_ARCH_PARTIAL | 1 | GDB_MULTI_ARCH_TM | 2 )
1340 AC_MSG_WARN("GDB: Target is not pure multi-arch") ;;
1341 GDB_MULTI_ARCH_PURE )
1342 if test x"${targetfile}" != x ; then
1343 AC_MSG_WARN("GDB: Ignoring TM_FILE in ${target_makefile_frag}")
1344 targetfile=""
1345 fi ;;
1346 *) AC_MSG_ERROR("GDB: Unknown GDB_MULTI_ARCH value ${GDB_MULTI_ARCH}");;
1347esac
1348
1349if test x"${gdb_osabi}" != x ; then
1350 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1351 [Define to the default OS ABI for this configuration.])
1352fi
1353
1354# Enable multi-ice-gdb-server.
1355AC_ARG_ENABLE(multi-ice,
1356[ --enable-multi-ice build the multi-ice-gdb-server],
1357 [case $enableval in
1358 yes | no)
1359 ;;
1360 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1361 esac])
1362if test "x$enable_multi_ice" = xyes; then
1363 configdirs="$configdirs multi-ice"
1364fi
1365
1366# We only build gdbserver automatically if host and target are the same.
1367if test "x$target" = "x$host"; then
1368 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1369 if test "x$build_gdbserver" = xyes; then
1370 configdirs="$configdirs gdbserver"
1371 AC_MSG_RESULT(yes)
1372 else
1373 AC_MSG_RESULT(no)
1374 fi
1375fi
1376
1377AC_CONFIG_SUBDIRS($configdirs)
1378
1379# If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
1380# (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty
1381# version.
1382
1383files=
1384links=
1385
1386rm -f xm.h
1387xm_h=""
1388if test "${hostfile}" != ""; then
1389 xm_h=xm.h
1390 GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}"
1391 files="${files} ${GDB_XM_FILE}"
1392 links="${links} xm.h"
1393 AC_DEFINE_UNQUOTED(GDB_XM_FILE, ${GDB_XM_FILE})
1394fi
1395AC_SUBST(xm_h)
1396
1397rm -f tm.h
1398tm_h=""
1399if test "${targetfile}" != ""; then
1400 tm_h=tm.h
1401 GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}"
1402 files="${files} ${GDB_TM_FILE}"
1403 links="${links} tm.h"
1404 AC_DEFINE_UNQUOTED(GDB_TM_FILE, ${GDB_TM_FILE})
1405fi
1406AC_SUBST(tm_h)
1407
1408rm -f nm.h
1409nm_h=""
1410if test "${nativefile}" != ""; then
1411 nm_h=nm.h
1412 GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}"
1413 files="${files} ${GDB_NM_FILE}"
1414 links="${links} nm.h"
1415 AC_DEFINE_UNQUOTED(GDB_NM_FILE, ${GDB_NM_FILE})
1416fi
1417AC_SUBST(nm_h)
1418
1419AC_LINK_FILES($files, $links)
1420
1421dnl Check for exe extension set on certain hosts (e.g. Win32)
1422AC_EXEEXT
1423
1424dnl Detect the character set used by this host.
1425
1426dnl At the moment, we just assume it's ISO-8859-1 (which is a
1427dnl superset of ASCII containing the characters needed for French,
1428dnl German, Spanish, Italian, and possibly others), but if were
1429dnl *were* to support any host character sets other than ISO-8859-1,
1430dnl here's where we'd detect it.
1431AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1432 [Define to be a string naming the default host character set.])
1433
1434AM_ICONV
1435
1436AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1437[
1438dnl Autoconf doesn't provide a mechanism for modifying definitions
1439dnl provided by makefile fragments.
1440dnl
1441if test "${nativefile}" = ""; then
1442 < Makefile \
1443 sed -e '/^NATDEPFILES[[ ]]*=.*\\$/,/[[^\\]]$/s/^/# /' \
1444 -e '/^NATDEPFILES[[ ]]*=/s/^/# /' \
1445 | sed -e '/^\(NATDEPFILES[[ ]]*[[+]]=[[ ]]*\)/s//# \1/' \
1446 > Makefile.tem
1447mv -f Makefile.tem Makefile
1448fi
1449
1450changequote(,)dnl
1451sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1452/^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1453/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1454mv -f Makefile.tmp Makefile
1455changequote([,])dnl
1456
1457
1458case x$CONFIG_HEADERS in
1459xconfig.h:config.in)
1460echo > stamp-h ;;
1461esac
1462],
1463[
1464gdb_host_cpu=$gdb_host_cpu
1465gdb_target_cpu=$gdb_target_cpu
1466nativefile=$nativefile
1467])
1468
1469exit 0
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