* expr.c (operand, operator): Don't reject '++' and '--'.
[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, 2004
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_DEPS=
64CONFIG_SRCS=
65ENABLE_CFLAGS=
66CONFIG_ALL=
67CONFIG_CLEAN=
68CONFIG_INSTALL=
69CONFIG_UNINSTALL=
70
71AC_CONFIG_SUBDIRS(doc testsuite)
72configdirs=
73
74. $srcdir/configure.host
75
76. $srcdir/configure.tgt
77
78# Fetch the default architecture and default target vector from BFD.
79targ=$target; . $srcdir/../bfd/config.bfd
80
81# We only want the first architecture, so strip off the others if
82# there is more than one.
83targ_archs=`echo $targ_archs | sed 's/ .*//'`
84
85if test "x$targ_archs" != x; then
86 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
87 [Define to BFD's default architecture. ])
88fi
89if test "x$targ_defvec" != x; then
90 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
91 [Define to BFD's default target vector. ])
92fi
93
94AC_ARG_PROGRAM
95
96# The CLI cannot be disabled yet, but may be in the future.
97
98# Enable CLI.
99AC_ARG_ENABLE(gdbcli,
100[ --disable-gdbcli disable command-line interface (CLI)],
101 [case $enableval in
102 yes)
103 ;;
104 no)
105 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
106 *)
107 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
108 esac],
109 [enable_gdbcli=yes])
110if test x"$enable_gdbcli" = xyes; then
111 if test -d $srcdir/cli; then
112 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
113 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
114 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
115 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
116 fi
117fi
118
119# Enable MI.
120AC_ARG_ENABLE(gdbmi,
121[ --disable-gdbmi disable machine-interface (MI)],
122 [case $enableval in
123 yes | no)
124 ;;
125 *)
126 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
127 esac],
128 [enable_gdbmi=yes])
129if test x"$enable_gdbmi" = xyes; then
130 if test -d $srcdir/mi; then
131 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
132 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
133 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
134 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
135 fi
136fi
137
138# Enable TUI.
139AC_ARG_ENABLE(tui,
140[ --enable-tui enable full-screen terminal user interface (TUI)],
141 [case $enableval in
142 yes | no)
143 ;;
144 *)
145 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
146 esac],enable_tui=yes)
147if test x"$enable_tui" = xyes; then
148 if test -d $srcdir/tui; then
149 if test "$ac_cv_search_initscr" != no -a "$ac_cv_search_wborder" != no; then
150 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
151 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
152 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
153 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
154 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
155 CONFIG_ALL="${CONFIG_ALL} all-tui"
156 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
157 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
158 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
159 fi
160 fi
161fi
162
163# Enable gdbtk.
164AC_ARG_ENABLE(gdbtk,
165[ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
166 [case $enableval in
167 yes | no)
168 ;;
169 *)
170 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
171 esac],
172 [if test -d $srcdir/gdbtk; then
173 enable_gdbtk=yes
174 else
175 enable_gdbtk=no
176 fi])
177# We unconditionally disable gdbtk tests on selected platforms.
178case $host_os in
179 go32* | windows*)
180 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
181 enable_gdbtk=no ;;
182esac
183
184# Libunwind support.
185AC_ARG_WITH(libunwind,
186[ --with-libunwind Use libunwind frame unwinding support],
187[case "${withval}" in
188 yes) enable_libunwind=yes ;;
189 no) enable_libunwind=no ;;
190 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
191esac],[
192 AC_CHECK_HEADERS(libunwind.h)
193 AC_CHECK_HEADERS(libunwind-ia64.h)
194 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
195 enable_libunwind=yes;
196 fi
197])
198
199if test x"$enable_libunwind" = xyes; then
200 AC_CHECK_HEADERS(libunwind.h)
201 AC_CHECK_HEADERS(libunwind-ia64.h)
202 AC_DEFINE(HAVE_LIBUNWIND, 1)
203 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
204 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
205 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
206fi
207
208# Profiling support.
209AC_ARG_ENABLE(profiling,
210[ --enable-profiling enable profiling of GDB],
211 [case $enableval in
212 yes | no)
213 ;;
214 *)
215 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
216 esac],
217 [enable_profiling=no])
218
219AC_CHECK_FUNCS(monstartup _mcleanup)
220AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
221[AC_TRY_LINK(
222[#include <stdlib.h>
223extern char _etext;
224],
225[free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
226if test $ac_cv_var__etext = yes; then
227 AC_DEFINE(HAVE__ETEXT, 1,
228 [Define to 1 if your system has the _etext variable. ])
229fi
230if test "$enable_profiling" = yes ; then
231 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
232 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
233 fi
234 PROFILE_CFLAGS=-pg
235 OLD_CFLAGS="$CFLAGS"
236 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
237
238 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
239 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
240 ac_cv_cc_supports_pg=no)])
241
242 if test $ac_cv_cc_supports_pg = no; then
243 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
244 fi
245
246 CFLAGS="$OLD_CFLAGS"
247fi
248
249# --------------------- #
250# Checks for programs. #
251# --------------------- #
252
253AC_PROG_AWK
254AC_PROG_INSTALL
255AC_PROG_LN_S
256AC_PROG_RANLIB
257AC_PROG_YACC
258
259AC_CHECK_TOOL(AR, ar)
260AC_CHECK_TOOL(DLLTOOL, dlltool)
261AC_CHECK_TOOL(WINDRES, windres)
262
263# Needed for GNU/Hurd.
264AC_CHECK_TOOL(MIG, mig)
265
266# ---------------------- #
267# Checks for libraries. #
268# ---------------------- #
269
270# We might need to link with -lm; most simulators need it.
271AC_CHECK_LIB(m, main)
272
273# We need to link with -lw to get `wctype' on Solaris before Solaris
274# 2.6. Solaris 2.6 and beyond have this function in libc, and have a
275# libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
276# is known to have this problem). Therefore we avoid libw if we can.
277AC_CHECK_FUNC(wctype, [],
278 [AC_CHECK_LIB(w, wctype)])
279
280# Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
281AC_SEARCH_LIBS(gethostbyname, nsl)
282
283# Some systems (e.g. Solaris) have `socketpair' in libsocket.
284AC_SEARCH_LIBS(socketpair, socket)
285
286# Since GDB uses Readline, we need termcap functionality, so we need
287# to find a library that provides that. When GDB is configured with
288# the TUI, we need full curses functionality.
289
290case $host_os in
291 cygwin*)
292 if test -d $srcdir/libtermcap; then
293 LIBS="../libtermcap/libtermcap.a $LIBS"
294 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
295 fi ;;
296 go32* | *djgpp*)
297 ac_cv_search_tgetent="none required"
298 ;;
299 aix*)
300 # Readline prefers curses over termcap on AIX.
301 # ??? Why?
302 AC_SEARCH_LIBS(tgetent, [tinfo ncurses curses termcap])
303 ;;
304esac
305
306# Note: We used to check for libtermlib and libterminfo too, but
307# Readline doesn't, so I think we're safe with leaving them out.
308AC_SEARCH_LIBS(tgetent, [termcap tinfo ncurses Hcurses curses])
309
310if test "$ac_cv_search_tgetent" = no; then
311 AC_MSG_ERROR([no termcap library found])
312fi
313
314# FIXME: kettenis/20030102: We seem to prefer HP curses (Hcurses) over
315# Xcurses on HP-UX; see the `-D__HP_CURSES' in the relevant host
316# Makefile fragments. That's why we need to have `Hcurses' before
317# `curses'. I don't see why we should use HP curses if a more
318# standard curses is available, except that according to HP's
319# documentation one needs to compile `-D_XOPEN_SOURCE_EXTENDED' on
320# HP-UX 10.10 and 10.20.
321
322# FIXME: ncurses does not work on native alphaev68-dec-osf5.1,
323# and probably other platforms. AC_SEARCH_LIBS finds the library
324# in a place such as /usr/local/lib/libncurses.a, but does not
325# do anything to look for the matching include files.
326# -- chastain 2004-05-01
327
328AC_SEARCH_LIBS(initscr, [ncurses Hcurses curses pdcurses], [],
329 [AC_MSG_WARN([no curses library found])])
330
331# Check whether the wborder function is provided by the curses
332# library detected above. In certain implementations such as
333# the HP/UX Hcurses for instance, this function is provided by an
334# additional library. So if we did not find this function inside
335# the curses library, try some alternate libraries we know might
336# provide it.
337AC_SEARCH_LIBS(wborder, [cur_colr], [],
338 [AC_MSG_WARN([wborder function not found, tui will be disabled])])
339
340# ------------------------- #
341# Checks for header files. #
342# ------------------------- #
343
344AC_HEADER_DIRENT
345AC_HEADER_STAT
346AC_HEADER_STDC
347AC_CHECK_HEADERS(link.h)
348AC_CHECK_HEADERS(machine/reg.h)
349AC_CHECK_HEADERS(nlist.h)
350AC_CHECK_HEADERS(poll.h sys/poll.h)
351AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
352AC_CHECK_HEADERS(stddef.h)
353AC_CHECK_HEADERS(stdlib.h)
354AC_CHECK_HEADERS(stdint.h)
355AC_CHECK_HEADERS(string.h memory.h strings.h)
356AC_CHECK_HEADERS(sys/fault.h)
357AC_CHECK_HEADERS(sys/file.h)
358AC_CHECK_HEADERS(sys/filio.h)
359AC_CHECK_HEADERS(sys/ioctl.h)
360AC_CHECK_HEADERS(sys/param.h)
361AC_CHECK_HEADERS(sys/proc.h)
362AC_CHECK_HEADERS(sys/procfs.h)
363AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
364AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
365AC_CHECK_HEADERS(sys/select.h)
366AC_CHECK_HEADERS(sys/syscall.h)
367AC_CHECK_HEADERS(sys/user.h)
368AC_CHECK_HEADERS(sys/wait.h wait.h)
369AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
370AC_CHECK_HEADERS(unistd.h)
371
372# On Solaris 2.[78], we need to define _MSE_INT_H to avoid a clash
373# between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
374# think that we don't have <curses.h> if we're using GCC.
375case $host_os in
376 solaris2.[[78]])
377 if test "$GCC" = yes; then
378 AC_DEFINE(_MSE_INT_H, 1,
379 [[Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
380 Solaris 2.[78] when using GCC. ]])
381 fi ;;
382esac
383AC_CHECK_HEADERS(curses.h ncurses.h term.h)
384
385# FIXME: kettenis/20030102: In most cases we include these
386# unconditionally, so what's the point in checking these?
387AC_CHECK_HEADERS(ctype.h time.h)
388
389dnl Check for struct stat with an st_blocks member
390AC_MSG_CHECKING(for member st_blocks in struct stat)
391AC_CACHE_VAL(gdb_cv_have_struct_stat_with_st_blocks_member,
392 [AC_TRY_COMPILE([#include <sys/types.h>
393#include <sys/stat.h>],
394 [struct stat st; (void) st.st_blocks;],
395 gdb_cv_have_struct_stat_with_st_blocks_member=yes,
396 gdb_cv_have_struct_stat_with_st_blocks_member=no)])
397AC_MSG_RESULT($gdb_cv_have_struct_stat_with_st_blocks_member)
398if test $gdb_cv_have_struct_stat_with_st_blocks_member = yes; then
399 AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS)
400fi
401# ------------------------- #
402# Checks for declarations. #
403# ------------------------- #
404
405gcc_AC_CHECK_DECLS(getopt)
406
407# ------------------ #
408# Checks for types. #
409# ------------------ #
410
411AC_TYPE_SIGNAL
412
413# ------------------------------------- #
414# Checks for compiler characteristics. #
415# ------------------------------------- #
416
417AC_C_CONST
418AC_C_INLINE
419
420# ------------------------------ #
421# Checks for library functions. #
422# ------------------------------ #
423
424AC_FUNC_ALLOCA
425AC_FUNC_MMAP
426AC_FUNC_VFORK
427AC_CHECK_FUNCS(canonicalize_file_name realpath)
428AC_CHECK_FUNCS(poll)
429AC_CHECK_FUNCS(pread64)
430AC_CHECK_FUNCS(sbrk)
431AC_CHECK_FUNCS(setpgid setpgrp)
432AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
433AC_CHECK_FUNCS(socketpair)
434AC_CHECK_FUNCS(syscall)
435
436dnl AC_FUNC_SETPGRP does not work when cross compiling
437dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
438if test "$cross_compiling" = no; then
439 AC_FUNC_SETPGRP
440else
441 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
442 [AC_TRY_COMPILE([
443#include <unistd.h>
444], [
445 if (setpgrp(1,1) == -1)
446 exit (0);
447 else
448 exit (1);
449], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
450if test $ac_cv_func_setpgrp_void = yes; then
451 AC_DEFINE(SETPGRP_VOID, 1)
452fi
453fi
454
455# Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
456# since sigsetjmp might only be defined as a macro.
457AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
458[AC_TRY_COMPILE([
459#include <setjmp.h>
460], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
461gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
462if test $gdb_cv_func_sigsetjmp = yes; then
463 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
464fi
465
466# Assume we'll default to using the included libiberty regex.
467gdb_use_included_regex=yes
468
469# However, if the system regex is GNU regex, then default to *not*
470# using the included regex.
471AC_CACHE_CHECK(
472 [for GNU regex],
473 [gdb_cv_have_gnu_regex],
474 [AC_TRY_COMPILE(
475 [#include <gnu-versions.h>],
476 [#define REGEX_INTERFACE_VERSION 1
477#if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
478# error "Version mismatch"
479#endif],
480 gdb_cv_have_gnu_regex=yes,
481 gdb_cv_have_gnu_regex=no)])
482if test $gdb_cv_have_gnu_regex = yes; then
483 gdb_use_included_regex=no
484fi
485
486AC_ARG_WITH(included-regex,
487 [ --without-included-regex don't use included regex; this is the default
488 on systems with version 2 of the GNU C library
489 (use with caution on other system)],
490 gdb_with_regex=$withval,
491 gdb_with_regex=$gdb_use_included_regex)
492if test "$gdb_with_regex" = yes; then
493 AC_DEFINE(USE_INCLUDED_REGEX, 1,
494 [Define to 1 if the regex included in libiberty should be used.])
495fi
496
497# See if <machine/reg.h> degines `struct reg'.
498AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
499[AC_TRY_COMPILE([#include <sys/types.h>
500#include <machine/reg.h>], [struct reg r;],
501gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
502if test $gdb_cv_struct_reg = yes; then
503 AC_DEFINE(HAVE_STRUCT_REG, 1,
504 [Define to 1 if your system has struct reg in <machine/reg.h>.])
505fi
506
507# See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
508# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
509AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
510[AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_fs;],
511gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)])
512if test $gdb_cv_struct_reg_r_fs = yes; then
513 AC_DEFINE(HAVE_STRUCT_REG_R_FS)
514fi
515AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs,
516[AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_gs;],
517gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)])
518if test $gdb_cv_struct_reg_r_gs = yes; then
519 AC_DEFINE(HAVE_STRUCT_REG_R_GS)
520fi
521
522# See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
523AC_MSG_CHECKING(for PTRACE_GETREGS)
524AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
525[AC_TRY_COMPILE([#include <sys/ptrace.h>],
526 [PTRACE_GETREGS;],
527 [gdb_cv_have_ptrace_getregs=yes],
528 [gdb_cv_have_ptrace_getregs=no])])
529AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
530if test $gdb_cv_have_ptrace_getregs = yes; then
531 AC_DEFINE(HAVE_PTRACE_GETREGS)
532fi
533
534# See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
535AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
536AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
537[AC_TRY_COMPILE([#include <sys/ptrace.h>],
538 [PTRACE_GETFPXREGS;],
539 [gdb_cv_have_ptrace_getfpxregs=yes],
540 [gdb_cv_have_ptrace_getfpxregs=no])])
541AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
542if test $gdb_cv_have_ptrace_getfpxregs = yes; then
543 AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
544fi
545
546# See if <sys/ptrace.h> provides the PT_GETDBREGS request.
547AC_MSG_CHECKING(for PT_GETDBREGS)
548AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
549[AC_TRY_COMPILE([#include <sys/types.h>
550#include <sys/ptrace.h>],
551 [PT_GETDBREGS;],
552 [gdb_cv_have_pt_getdbregs=yes],
553 [gdb_cv_have_pt_getdbregs=no])])
554AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
555if test $gdb_cv_have_pt_getdbregs = yes; then
556 AC_DEFINE(HAVE_PT_GETDBREGS)
557fi
558
559# See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
560AC_MSG_CHECKING(for PT_GETXMMREGS)
561AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
562[AC_TRY_COMPILE([#include <sys/types.h>
563#include <sys/ptrace.h>],
564 [PT_GETXMMREGS;],
565 [gdb_cv_have_pt_getxmmregs=yes],
566 [gdb_cv_have_pt_getxmmregs=no])])
567AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
568if test $gdb_cv_have_pt_getxmmregs = yes; then
569 AC_DEFINE(HAVE_PT_GETXMMREGS)
570fi
571
572# See if stdint.h provides the uintptr_t type.
573# Autoconf 2.5X has an improved AC_CHECK_TYPE which will simplify this.
574AC_CACHE_CHECK([for uintptr_t in stdint.h], gdb_cv_have_uintptr_t,
575 [AC_TRY_COMPILE(
576 [#include <stdint.h>],
577 [uintptr_t foo = 0;],
578 gdb_cv_have_uintptr_t=yes,
579 gdb_cv_have_uintptr_t=no)])
580if test $gdb_cv_have_uintptr_t = yes; then
581 AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if <stdint.h> provides the uintptr_t type.])
582fi
583
584BFD_NEED_DECLARATION(malloc)
585BFD_NEED_DECLARATION(realloc)
586BFD_NEED_DECLARATION(free)
587BFD_NEED_DECLARATION(strerror)
588BFD_NEED_DECLARATION(strdup)
589BFD_NEED_DECLARATION(strstr)
590BFD_NEED_DECLARATION(canonicalize_file_name)
591
592# The following save_state_t checkery is only necessary for HPUX
593# versions earlier than 10.20. When those fade from memory, this
594# could be expunged. --jsm 1999-03-22
595
596AC_MSG_CHECKING(for HPUX save_state structure)
597AC_EGREP_HEADER(save_state_t, machine/save_state.h,
598 gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)
599AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,
600 gdb_cv_hpux_sswide=no)
601if test $gdb_cv_hpux_savestate = yes
602then
603 AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)
604fi
605if test $gdb_cv_hpux_sswide = yes
606then
607 AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)
608fi
609AC_MSG_RESULT($gdb_cv_hpux_sswide)
610
611
612# If we are configured native on GNU/Linux, work around problems with
613# sys/procfs.h
614# Also detect which type of /proc is in use, such as for Unixware or Solaris.
615
616if test "${target}" = "${host}"; then
617 case "${host}" in
618 i[[3456]]86-*-linux*)
619 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
620 AC_DEFINE(sys_quotactl)
621 ;;
622 ia64-*-aix*)
623 AC_DEFINE(NEW_PROC_API)
624 ;;
625 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
626 AC_DEFINE(NEW_PROC_API)
627 ;;
628 *-*-solaris2.[[6789]])
629 AC_DEFINE(NEW_PROC_API)
630 ;;
631 mips-sgi-irix5*)
632 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
633 AC_DEFINE([_KMEMUSER], 1)
634 ;;
635 esac
636fi
637
638if test "$ac_cv_header_sys_procfs_h" = yes; then
639 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
640 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
641 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
642 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
643 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
644 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
645 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
646 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
647 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
648 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
649 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
650 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
651 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
652 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
653
654
655 dnl Check for broken prfpregset_t type
656
657 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
658 dnl prfpregset_t type (it's a typedef for the pointer to a struct
659 dnl instead of the struct itself). We detect this here, and work
660 dnl around it in gdb_proc_service.h.
661
662 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
663 AC_MSG_CHECKING(whether prfpregset_t type is broken)
664 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
665 [AC_TRY_RUN([#include <sys/procfs.h>
666 int main ()
667 {
668 if (sizeof (prfpregset_t) == sizeof (void *))
669 return 1;
670 return 0;
671 }],
672 gdb_cv_prfpregset_t_broken=no,
673 gdb_cv_prfpregset_t_broken=yes,
674 gdb_cv_prfpregset_t_broken=yes)])
675 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
676 if test $gdb_cv_prfpregset_t_broken = yes; then
677 AC_DEFINE(PRFPREGSET_T_BROKEN)
678 fi
679 fi
680
681 dnl Check for PIOCSET ioctl entry
682
683 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
684 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
685 [AC_TRY_COMPILE([#include <unistd.h>
686#include <sys/types.h>
687#include <sys/procfs.h>
688], [
689 int dummy;;
690 dummy = ioctl(0, PIOCSET, &dummy);
691 ],
692 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
693 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
694 if test $gdb_cv_have_procfs_piocset = yes; then
695 AC_DEFINE(HAVE_PROCFS_PIOCSET)
696 fi
697fi
698
699dnl For native ports (host == target), check to see what kind of
700dnl legacy link.h support is needed. (See solib-legacy.c.)
701if test ${host} = ${target} ; then
702 dnl Check for struct link_map with l_ members which are indicative
703 dnl of SVR4-like shared libraries
704
705 AC_MSG_CHECKING(for member l_addr in struct link_map)
706 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
707 [AC_TRY_COMPILE([#include <link.h>],
708 [struct link_map lm; (void) lm.l_addr;],
709 gdb_cv_have_struct_link_map_with_l_members=yes,
710 gdb_cv_have_struct_link_map_with_l_members=no)])
711 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
712 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
713 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS)
714 fi
715
716 dnl Check for struct link_map with lm_ members which are indicative
717 dnl of SunOS-like shared libraries
718
719 AC_MSG_CHECKING(for member lm_addr in struct link_map)
720 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
721 [AC_TRY_COMPILE([#include <sys/types.h>
722#include <link.h>],
723 [struct link_map lm; (void) lm.lm_addr;],
724 gdb_cv_have_struct_link_map_with_lm_members=yes,
725 gdb_cv_have_struct_link_map_with_lm_members=no)])
726 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
727 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
728 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS)
729 fi
730
731 dnl Check for struct so_map with som_ members which are found on
732 dnl some *BSD systems.
733
734 AC_MSG_CHECKING(for member som_addr in struct so_map)
735 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
736 [AC_TRY_COMPILE([#include <sys/types.h>
737#ifdef HAVE_NLIST_H
738#include <nlist.h>
739#endif
740#include <link.h>],
741 [struct so_map lm; (void) lm.som_addr;],
742 gdb_cv_have_struct_so_map_with_som_members=yes,
743 gdb_cv_have_struct_so_map_with_som_members=no)])
744 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
745 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
746 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS)
747 fi
748
749 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
750 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
751
752 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
753 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
754 [AC_TRY_COMPILE([#define _SYSCALL32
755#include <sys/link.h>], [struct link_map32 l;],
756 gdb_cv_have_struct_link_map32=yes,
757 gdb_cv_have_struct_link_map32=no)])
758 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
759 if test $gdb_cv_have_struct_link_map32 = yes; then
760 AC_DEFINE(HAVE_STRUCT_LINK_MAP32)
761 AC_DEFINE(_SYSCALL32)
762 fi
763fi
764
765dnl See if compiler supports "long long" type.
766
767AC_MSG_CHECKING(for long long support in compiler)
768AC_CACHE_VAL(gdb_cv_c_long_long,
769[AC_TRY_COMPILE(, [
770 extern long long foo;
771 switch (foo & 2) { case 0: return 1; }
772],
773gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
774AC_MSG_RESULT($gdb_cv_c_long_long)
775if test $gdb_cv_c_long_long = yes; then
776 AC_DEFINE(CC_HAS_LONG_LONG)
777fi
778
779dnl See if the compiler and runtime support printing long long
780
781AC_MSG_CHECKING(for long long support in printf)
782AC_CACHE_VAL(gdb_cv_printf_has_long_long,
783[AC_TRY_RUN([
784int main () {
785 char buf[32];
786 long long l = 0;
787 l = (l << 16) + 0x0123;
788 l = (l << 16) + 0x4567;
789 l = (l << 16) + 0x89ab;
790 l = (l << 16) + 0xcdef;
791 sprintf (buf, "0x%016llx", l);
792 return (strcmp ("0x0123456789abcdef", buf));
793}],
794gdb_cv_printf_has_long_long=yes,
795gdb_cv_printf_has_long_long=no,
796gdb_cv_printf_has_long_long=no)])
797if test $gdb_cv_printf_has_long_long = yes; then
798 AC_DEFINE(PRINTF_HAS_LONG_LONG)
799fi
800AC_MSG_RESULT($gdb_cv_printf_has_long_long)
801
802dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
803dnl because autoconf complains about cross-compilation issues. However, this
804dnl code uses the same variables as the macro for compatibility.
805
806AC_MSG_CHECKING(for long double support in compiler)
807AC_CACHE_VAL(ac_cv_c_long_double,
808[AC_TRY_COMPILE(, [long double foo;],
809ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
810AC_MSG_RESULT($ac_cv_c_long_double)
811if test $ac_cv_c_long_double = yes; then
812 AC_DEFINE(HAVE_LONG_DOUBLE)
813fi
814
815dnl See if the compiler and runtime support printing long doubles
816
817AC_MSG_CHECKING(for long double support in printf)
818AC_CACHE_VAL(gdb_cv_printf_has_long_double,
819[AC_TRY_RUN([
820int main () {
821 char buf[16];
822 long double f = 3.141592653;
823 sprintf (buf, "%Lg", f);
824 return (strncmp ("3.14159", buf, 7));
825}],
826gdb_cv_printf_has_long_double=yes,
827gdb_cv_printf_has_long_double=no,
828gdb_cv_printf_has_long_double=no)])
829if test $gdb_cv_printf_has_long_double = yes; then
830 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
831fi
832AC_MSG_RESULT($gdb_cv_printf_has_long_double)
833
834dnl See if the compiler and runtime support scanning long doubles
835
836AC_MSG_CHECKING(for long double support in scanf)
837AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
838[AC_TRY_RUN([
839int main () {
840 char *buf = "3.141592653";
841 long double f = 0;
842 sscanf (buf, "%Lg", &f);
843 return !(f > 3.14159 && f < 3.14160);
844}],
845gdb_cv_scanf_has_long_double=yes,
846gdb_cv_scanf_has_long_double=no,
847gdb_cv_scanf_has_long_double=no)])
848if test $gdb_cv_scanf_has_long_double = yes; then
849 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
850fi
851AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
852
853case ${host_os} in
854aix*)
855 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
856 SAVE_LDFLAGS=$LDFLAGS
857
858 case $GCC in
859 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
860 *) gdb_cv_bigtoc=-bbigtoc ;;
861 esac
862
863 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
864 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
865 LDFLAGS="${SAVE_LDFLAGS}"
866 ])
867 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
868 ;;
869esac
870
871
872dnl For certain native configurations, we need to check whether thread
873dnl support can be built in or not.
874dnl
875dnl Note that we only want this if we are both native (host == target),
876dnl and not doing a canadian cross build (build == host).
877
878if test ${build} = ${host} -a ${host} = ${target} ; then
879 case ${host_os} in
880 hpux*)
881 AC_MSG_CHECKING(for HPUX/OSF thread support)
882 if test -f /usr/include/dce/cma_config.h ; then
883 if test "$GCC" = "yes" ; then
884 AC_MSG_RESULT(yes)
885 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
886 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
887 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
888 else
889 AC_MSG_RESULT(no (suppressed because you are not using GCC))
890 fi
891 else
892 AC_MSG_RESULT(no)
893 fi
894 ;;
895 solaris*)
896 # See if thread_db library is around for Solaris thread debugging.
897 # Note that we must explicitly test for version 1 of the library
898 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
899 # the same API.
900 AC_MSG_CHECKING(for Solaris thread debugging library)
901 if test -f /usr/lib/libthread_db.so.1 ; then
902 AC_MSG_RESULT(yes)
903 AC_DEFINE(HAVE_THREAD_DB_LIB)
904 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
905 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
906 AC_CHECK_LIB(dl, dlopen)
907 if test "$GCC" = "yes" ; then
908 # The GNU linker requires the -export-dynamic option to make
909 # all symbols visible in the dynamic symbol table.
910 hold_ldflags=$LDFLAGS
911 AC_MSG_CHECKING(for the ld -export-dynamic flag)
912 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
913 AC_TRY_LINK(, [int i;], found=yes, found=no)
914 LDFLAGS=$hold_ldflags
915 AC_MSG_RESULT($found)
916 if test $found = yes; then
917 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
918 fi
919 fi
920 # Sun randomly tweaked the prototypes in <proc_service.h>
921 # at one point.
922 AC_MSG_CHECKING(if <proc_service.h> is old)
923 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
924 AC_TRY_COMPILE([
925 #include <proc_service.h>
926 ps_err_e ps_pdwrite
927 (struct ps_prochandle*, psaddr_t, const void*, size_t);
928 ],, gdb_cv_proc_service_is_old=no,
929 gdb_cv_proc_service_is_old=yes)
930 ])
931 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
932 if test $gdb_cv_proc_service_is_old = yes; then
933 AC_DEFINE(PROC_SERVICE_IS_OLD)
934 fi
935 else
936 AC_MSG_RESULT(no)
937 fi
938 ;;
939 aix*)
940 AC_MSG_CHECKING(for AiX thread debugging library)
941 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
942 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
943 [#ifndef PTHDB_VERSION_3
944 #error
945 #endif],
946 gdb_cv_have_aix_thread_debug=yes,
947 gdb_cv_have_aix_thread_debug=no)])
948 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
949 if test $gdb_cv_have_aix_thread_debug = yes; then
950 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
951 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
952 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
953 fi
954 ;;
955 esac
956 AC_SUBST(CONFIG_LDFLAGS)
957fi
958
959dnl See if we have a thread_db header file that has TD_NOTALLOC.
960if test "x$ac_cv_header_thread_db_h" = "xyes"; then
961 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
962 gdb_cv_thread_db_h_has_td_notalloc,
963 AC_TRY_COMPILE(
964 [#include <thread_db.h>],
965 [int i = TD_NOTALLOC;],
966 gdb_cv_thread_db_h_has_td_notalloc=yes,
967 gdb_cv_thread_db_h_has_td_notalloc=no
968 )
969 )
970fi
971if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
972 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
973 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
974fi
975
976dnl See if we have a sys/syscall header file that has __NR_tkill.
977if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
978 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
979 gdb_cv_sys_syscall_h_has_tkill,
980 AC_TRY_COMPILE(
981 [#include <sys/syscall.h>],
982 [int i = __NR_tkill;],
983 gdb_cv_sys_syscall_h_has_tkill=yes,
984 gdb_cv_sys_syscall_h_has_tkill=no
985 )
986 )
987fi
988dnl See if we can issue tkill syscall.
989if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
990 AC_DEFINE(HAVE_TKILL_SYSCALL, 1,
991 [Define if we can use the tkill syscall.])
992fi
993
994dnl Handle optional features that can be enabled.
995
996AC_ARG_WITH(sysroot,
997[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
998[
999 case ${with_sysroot} in
1000 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1001 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1002 esac
1003
1004 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1005
1006 if test "x$exec_prefix" = xNONE; then
1007 if test "x$prefix" = xNONE; then
1008 test_prefix=/usr/local
1009 else
1010 test_prefix=$prefix
1011 fi
1012 else
1013 test_prefix=$exec_prefix
1014 fi
1015 case ${TARGET_SYSTEM_ROOT} in
1016 "${test_prefix}"|"${test_prefix}/"*|\
1017 '${exec_prefix}'|'${exec_prefix}/'*)
1018 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1019 TARGET_SYSTEM_ROOT_DEFINE="$t"
1020 ;;
1021 esac
1022], [
1023 TARGET_SYSTEM_ROOT=
1024 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1025])
1026AC_SUBST(TARGET_SYSTEM_ROOT)
1027AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1028
1029# NOTE: Don't add -Wall or -Wunused, they both include
1030# -Wunused-parameter which reports bogus warnings.
1031# NOTE: If you add to this list, remember to update
1032# gdb/doc/gdbint.texinfo.
1033build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
1034-Wformat -Wparentheses -Wpointer-arith -Wuninitialized -Wformat-nonliteral \
1035-Wunused-label -Wunused-function"
1036# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
1037# -Wunused-function -Wunused-variable -Wunused-value
1038# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
1039# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
1040# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
1041# -Woverloaded-virtual -Winline -Werror"
1042AC_ARG_ENABLE(build-warnings,
1043[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1044[case "${enableval}" in
1045 yes) ;;
1046 no) build_warnings="-w";;
1047 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1048 build_warnings="${build_warnings} ${t}";;
1049 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1050 build_warnings="${t} ${build_warnings}";;
1051 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1052esac
1053if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1054 echo "Setting compiler warning flags = $build_warnings" 6>&1
1055fi])dnl
1056AC_ARG_ENABLE(gdb-build-warnings,
1057[ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1058[case "${enableval}" in
1059 yes) ;;
1060 no) build_warnings="-w";;
1061 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1062 build_warnings="${build_warnings} ${t}";;
1063 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1064 build_warnings="${t} ${build_warnings}";;
1065 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1066esac
1067if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1068 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1069fi])dnl
1070WARN_CFLAGS=""
1071WERROR_CFLAGS=""
1072if test "x${build_warnings}" != x -a "x$GCC" = xyes
1073then
1074 AC_MSG_CHECKING(compiler warning flags)
1075 # Separate out the -Werror flag as some files just cannot be
1076 # compiled with it enabled.
1077 for w in ${build_warnings}; do
1078 case $w in
1079 -Werr*) WERROR_CFLAGS=-Werror ;;
1080 *) # Check that GCC accepts it
1081 saved_CFLAGS="$CFLAGS"
1082 CFLAGS="$CFLAGS $w"
1083 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1084 CFLAGS="$saved_CFLAGS"
1085 esac
1086 done
1087 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
1088fi
1089AC_SUBST(WARN_CFLAGS)
1090AC_SUBST(WERROR_CFLAGS)
1091
1092# In the Cygwin environment, we need some additional flags.
1093AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1094[AC_EGREP_CPP(lose, [
1095#if defined (__CYGWIN__) || defined (__CYGWIN32__)
1096lose
1097#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1098
1099
1100dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1101SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
1102case ${host} in
1103 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1104 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1105esac
1106AC_SUBST(SER_HARDWIRE)
1107
1108# libreadline needs libuser32.a in a cygwin environment
1109WIN32LIBS=
1110if test x$gdb_cv_os_cygwin = xyes; then
1111 WIN32LIBS="-luser32"
1112 case "${target}" in
1113 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1114 ;;
1115 esac
1116fi
1117AC_SUBST(WIN32LIBS)
1118
1119LIBGUI="../libgui/src/libgui.a"
1120GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1121AC_SUBST(LIBGUI)
1122AC_SUBST(GUI_CFLAGS_X)
1123
1124WIN32LDAPP=
1125AC_SUBST(WIN32LIBS)
1126AC_SUBST(WIN32LDAPP)
1127
1128configdir="unix"
1129
1130GDBTKLIBS=
1131if test "${enable_gdbtk}" = "yes"; then
1132
1133 # Gdbtk must have an absolute path to srcdir in order to run
1134 # properly when not installed.
1135 here=`pwd`
1136 cd ${srcdir}
1137 GDBTK_SRC_DIR=`pwd`
1138 cd $here
1139
1140 CY_AC_PATH_TCLCONFIG
1141 if test -z "${no_tcl}"; then
1142 CY_AC_LOAD_TCLCONFIG
1143 CY_AC_PATH_TKCONFIG
1144
1145 # now look for Tcl library stuff
1146
1147 case "${host}" in
1148 *-*-cygwin*)
1149 tcldir=../tcl/win/
1150 ;;
1151 *)
1152 tcldir=../tcl/unix/
1153 ;;
1154 esac
1155
1156 TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1157
1158 # If $no_tk is nonempty, then we can't do Tk, and there is no
1159 # point to doing Tcl.
1160 if test -z "${no_tk}"; then
1161 CY_AC_LOAD_TKCONFIG
1162 CY_AC_PATH_TCLH
1163 CY_AC_PATH_TKH
1164 CY_AC_PATH_ITCLH
1165 CY_AC_PATH_ITKH
1166
1167
1168 # now look for Tk library stuff
1169
1170 case "${host}" in
1171 *-*-cygwin*)
1172 tkdir=../tk/win/
1173 ;;
1174 *)
1175 tkdir=../tk/unix/
1176 ;;
1177 esac
1178
1179 TK_DEPS="${tkdir}${TK_LIB_FILE}"
1180
1181 # now look for Itcl library stuff
1182
1183 CY_AC_PATH_ITCLCONFIG
1184 if test -z "${no_itcl}"; then
1185 CY_AC_LOAD_ITCLCONFIG
1186
1187 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1188 ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1189 fi
1190
1191
1192 # now look for Itk library stuff
1193 CY_AC_PATH_ITKCONFIG
1194 if test -z "${no_itcl}"; then
1195 CY_AC_LOAD_ITKCONFIG
1196
1197 ITKLIB="${ITK_BUILD_LIB_SPEC}"
1198 ITK_DEPS="${ITK_LIB_FULL_PATH}"
1199 fi
1200
1201 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1202 # Tcl/Tk 8.1 require -fwritable strings. I don't
1203 # know whether 8.2 will or not, but I bet it will.
1204 # I don't have to worry about 7.x since we don't support it.
1205 GDBTK_CFLAGS=""
1206 if test "$GCC" = "yes"; then
1207 if test "$TCL_VERSION" != "8.0" ; then
1208 GDBTK_CFLAGS="-fwritable-strings"
1209 fi
1210 fi
1211
1212 # Include some libraries that Tcl and Tk want.
1213 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1214 # Yes, the ordering seems wrong here. But it isn't.
1215 # TK_LIBS is the list of libraries that need to be linked
1216 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1217 # were in LIBS then any link tests after this point would
1218 # try to include things like `$(LIBGUI)', which wouldn't work.
1219 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1220
1221 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1222 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1223 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1224 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1225 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1226 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1227 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1228
1229 if test x$gdb_cv_os_cygwin = xyes; then
1230 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1231 WIN32LDAPP="-Wl,--subsystem,console"
1232 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1233 fi
1234 fi
1235 fi
1236
1237 configdirs="${configdirs} gdbtk"
1238fi
1239
1240AC_SUBST(X_CFLAGS)
1241AC_SUBST(X_LDFLAGS)
1242AC_SUBST(X_LIBS)
1243AC_SUBST(TCL_DEPS)
1244AC_SUBST(TK_DEPS)
1245AC_SUBST(ITCLLIB)
1246AC_SUBST(ITCL_DEPS)
1247AC_SUBST(ITKLIB)
1248AC_SUBST(ITK_DEPS)
1249AC_SUBST(GDBTKLIBS)
1250AC_SUBST(GDBTK_CFLAGS)
1251AC_SUBST(GDBTK_SRC_DIR)
1252
1253AC_PATH_X
1254
1255
1256# Unlike the sim directory, whether a simulator is linked is controlled by
1257# presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
1258# This code just checks for a few cases where we'd like to ignore those
1259# definitions, even when they're present in the '.mt' file. These cases
1260# are when --disable-sim is specified, or if the simulator directory is
1261# not part of the source tree.
1262#
1263AC_ARG_ENABLE(sim,
1264[ --enable-sim Link gdb with simulator],
1265[echo "enable_sim = $enable_sim";
1266 echo "enableval = ${enableval}";
1267 case "${enableval}" in
1268 yes) ignore_sim=false ;;
1269 no) ignore_sim=true ;;
1270 *) ignore_sim=false ;;
1271 esac],
1272[ignore_sim=false])
1273
1274if test ! -d "${srcdir}/../sim"; then
1275 ignore_sim=true
1276fi
1277
1278if test "${ignore_sim}" = "true"; then
1279 IGNORE_SIM="SIM="
1280 IGNORE_SIM_OBS="SIM_OBS="
1281else
1282 IGNORE_SIM=""
1283 IGNORE_SIM_OBS=""
1284 AC_DEFINE(WITH_SIM)
1285fi
1286AC_SUBST(IGNORE_SIM)
1287AC_SUBST(IGNORE_SIM_OBS)
1288
1289AC_SUBST(ENABLE_CFLAGS)
1290AC_SUBST(PROFILE_CFLAGS)
1291
1292AC_SUBST(CONFIG_OBS)
1293AC_SUBST(CONFIG_DEPS)
1294AC_SUBST(CONFIG_SRCS)
1295AC_SUBST(CONFIG_ALL)
1296AC_SUBST(CONFIG_CLEAN)
1297AC_SUBST(CONFIG_INSTALL)
1298AC_SUBST(CONFIG_UNINSTALL)
1299
1300# target_subdir is used by the testsuite to find the target libraries.
1301target_subdir=
1302if test "${host}" != "${target}"; then
1303 target_subdir="${target_alias}/"
1304fi
1305AC_SUBST(target_subdir)
1306
1307frags=
1308host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1309if test ! -f ${host_makefile_frag}; then
1310 # When building a native debuger the .mh file containing things
1311 # like NATDEPFILES is needed. Cross debuggers don't need .mh
1312 # since it no longer contains anything useful.
1313 if test "${target}" = "${host}"; then
1314 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1315 else
1316 host_makefile_frag=/dev/null
1317 fi
1318fi
1319frags="$frags $host_makefile_frag"
1320
1321target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1322if test ! -f ${target_makefile_frag}; then
1323AC_MSG_ERROR("*** Gdb does not support target ${target}")
1324fi
1325frags="$frags $target_makefile_frag"
1326
1327AC_SUBST_FILE(host_makefile_frag)
1328AC_SUBST_FILE(target_makefile_frag)
1329AC_SUBST(frags)
1330
1331changequote(,)dnl
1332hostfile=`sed -n '
1333s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1334' ${host_makefile_frag}`
1335
1336targetfile=`sed -n '
1337s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1338' ${target_makefile_frag}`
1339
1340if test "${target}" = "${host}"; then
1341# We pick this up from the host configuration file (.mh) because we
1342# do not have a native configuration Makefile fragment.
1343nativefile=`sed -n '
1344s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1345' ${host_makefile_frag}`
1346fi
1347changequote([,])
1348
1349if test x"${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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