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Consolidate definition of USE_WIN32API
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1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2020 Free Software Foundation, Inc.
3 dnl
4 dnl This file is part of GDB.
5 dnl
6 dnl This program is free software; you can redistribute it and/or modify
7 dnl it under the terms of the GNU General Public License as published by
8 dnl the Free Software Foundation; either version 3 of the License, or
9 dnl (at your option) any later version.
10 dnl
11 dnl This program is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 dnl GNU General Public License for more details.
15 dnl
16 dnl You should have received a copy of the GNU General Public License
17 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
18
19 dnl Process this file with autoconf to produce a configure script.
20
21 AC_INIT(main.c)
22 AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
23 AM_MAINTAINER_MODE
24
25 # Set the 'development' global.
26 . $srcdir/../bfd/development.sh
27
28 AC_PROG_CC
29 AC_PROG_CXX
30
31 AC_USE_SYSTEM_EXTENSIONS
32 ACX_LARGEFILE
33 AM_PROG_CC_STDC
34 AM_PROG_INSTALL_STRIP
35
36 AC_CONFIG_AUX_DIR(..)
37 AC_CANONICAL_SYSTEM
38 AC_ARG_PROGRAM
39
40 # We require a C++11 compiler. Check if one is available, and if
41 # necessary, set CXX_DIALECT to some -std=xxx switch.
42 AX_CXX_COMPILE_STDCXX(11, , mandatory)
43
44 # Dependency checking.
45 ZW_CREATE_DEPDIR
46 ZW_PROG_COMPILER_DEPENDENCIES([CC])
47
48 dnl List of object files and targets accumulated by configure.
49
50 CONFIG_OBS=
51 CONFIG_DEPS=
52 CONFIG_SRCS=
53 ENABLE_CFLAGS=
54
55 CONFIG_ALL=
56 CONFIG_CLEAN=
57 CONFIG_INSTALL=
58 CONFIG_UNINSTALL=
59
60 dnl Set up for gettext.
61 ZW_GNU_GETTEXT_SISTER_DIR
62
63 localedir='${datadir}/locale'
64 AC_SUBST(localedir)
65
66 if test x"$USE_NLS" = xyes; then
67 CONFIG_ALL="$CONFIG_ALL all-po"
68 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
69 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
70 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
71 fi
72
73 PACKAGE=gdb
74 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
75 AC_SUBST(PACKAGE)
76
77 # We never need to detect it in this sub-configure.
78 # But preserve it for config.status --recheck.
79 AC_ARG_VAR(MAKEINFO,
80 [Parent configure detects if it is of sufficient version.])
81 AC_ARG_VAR(MAKEINFOFLAGS,
82 [Parameters for MAKEINFO.])
83
84 MAKEINFO_EXTRA_FLAGS=""
85 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
86 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
87 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
88 gdb_cv_have_makeinfo_click=yes
89 else
90 gdb_cv_have_makeinfo_click=no
91 fi])
92 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
93 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
94 fi
95 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
96
97 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
98 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
99 [${libdir}/debug])
100
101 # We can't pass paths as command line arguments.
102 # Mingw32 tries to be clever and will convert the paths for us.
103 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
104 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
105 # This breaks GDB's relocatable path conversions since paths passed in
106 # config.h would not get so translated, the path prefixes no longer match.
107 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
108
109 # GDB's datadir relocation
110
111 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
112 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
113 [${datadir}/gdb])
114
115 AC_ARG_WITH(relocated-sources,
116 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
117 [reloc_srcdir="${withval}"
118 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
119 [Relocated directory for source files. ])
120 ])
121
122 AC_MSG_CHECKING([for default auto-load directory])
123 AC_ARG_WITH(auto-load-dir,
124 AS_HELP_STRING([--with-auto-load-dir=PATH],
125 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
126 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
127 escape_dir=`echo $with_auto_load_dir | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
128 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
129 [Directories from which to load auto-loaded scripts.])
130 AC_MSG_RESULT([$with_auto_load_dir])
131
132 AC_MSG_CHECKING([for default auto-load safe-path])
133 AC_ARG_WITH(auto-load-safe-path,
134 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
135 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
136 AS_HELP_STRING([--without-auto-load-safe-path],
137 [do not restrict auto-loaded files locations]),
138 [if test "$with_auto_load_safe_path" = "no"; then
139 with_auto_load_safe_path="/"
140 fi],
141 [with_auto_load_safe_path="$with_auto_load_dir"])
142 escape_dir=`echo $with_auto_load_safe_path | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
143 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
144 [Directories safe to hold auto-loaded files.])
145 AC_MSG_RESULT([$with_auto_load_safe_path])
146
147 AC_CONFIG_SUBDIRS(testsuite)
148
149 # Check whether to support alternative target configurations
150 AC_ARG_ENABLE(targets,
151 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
152 [case "${enableval}" in
153 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
154 ;;
155 no) enable_targets= ;;
156 *) enable_targets=$enableval ;;
157 esac])
158
159 # Check whether to enable 64-bit support on 32-bit hosts
160 AC_ARG_ENABLE(64-bit-bfd,
161 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
162 [case "${enableval}" in
163 yes) want64=true ;;
164 no) want64=false ;;
165 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
166 esac],[want64=false])dnl
167
168 # Provide defaults for some variables set by the per-host and per-target
169 # configuration.
170 gdb_host_obs=posix-hdep.o
171
172 if test "${target}" = "${host}"; then
173 gdb_native=yes
174 else
175 gdb_native=no
176 fi
177
178 . $srcdir/configure.host
179
180 # Accumulate some settings from configure.tgt over all enabled targets
181
182 TARGET_OBS=
183 all_targets=
184 HAVE_NATIVE_GCORE_TARGET=
185
186 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
187 do
188 if test "$targ_alias" = "all"; then
189 all_targets=true
190 else
191 # Canonicalize the secondary target names.
192 result=`$ac_config_sub $targ_alias 2>/dev/null`
193 if test -n "$result"; then
194 targ=$result
195 else
196 targ=$targ_alias
197 fi
198
199 . ${srcdir}/configure.tgt
200
201 AS_IF([test -z "${gdb_target_obs}"],
202 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
203
204 # Target-specific object files
205 for i in ${gdb_target_obs}; do
206 case " $TARGET_OBS " in
207 *" ${i} "*) ;;
208 *)
209 TARGET_OBS="$TARGET_OBS ${i}"
210 ;;
211 esac
212 done
213
214 # Check whether this target needs 64-bit CORE_ADDR
215 if test x${want64} = xfalse; then
216 . ${srcdir}/../bfd/config.bfd
217 fi
218
219 # Check whether this target is native and supports gcore.
220 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
221 && $gdb_have_gcore; then
222 HAVE_NATIVE_GCORE_TARGET=1
223 fi
224 fi
225 done
226
227 if test x${all_targets} = xtrue; then
228
229 # We want all 64-bit targets if we either:
230 # - run on a 64-bit host or
231 # - already require 64-bit support for some other target or
232 # - the --enable-64-bit-bfd option was supplied
233 # Otherwise we only support all 32-bit targets.
234 #
235 # NOTE: This test must be in sync with the corresponding
236 # tests in BFD!
237
238 if test x${want64} = xfalse; then
239 AC_CHECK_SIZEOF(long)
240 if test "x${ac_cv_sizeof_long}" = "x8"; then
241 want64=true
242 fi
243 fi
244 if test x${want64} = xtrue; then
245 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
246 else
247 TARGET_OBS='$(ALL_TARGET_OBS)'
248 fi
249 fi
250
251 AC_SUBST(TARGET_OBS)
252 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
253
254 # For other settings, only the main target counts.
255 gdb_sim=
256 gdb_osabi=
257 build_gdbserver=
258 targ=$target; . ${srcdir}/configure.tgt
259
260 # Fetch the default architecture and default target vector from BFD.
261 targ=$target; . $srcdir/../bfd/config.bfd
262
263 # We only want the first architecture, so strip off the others if
264 # there is more than one.
265 targ_archs=`echo $targ_archs | sed 's/ .*//'`
266
267 if test "x$targ_archs" != x; then
268 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
269 [Define to BFD's default architecture. ])
270 fi
271 if test "x$targ_defvec" != x; then
272 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
273 [Define to BFD's default target vector. ])
274 fi
275
276 # Enable MI.
277 AC_ARG_ENABLE(gdbmi,
278 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
279 [case $enableval in
280 yes | no)
281 ;;
282 *)
283 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
284 esac],
285 [enable_gdbmi=yes])
286 if test x"$enable_gdbmi" = xyes; then
287 if test -d "$srcdir/mi"; then
288 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
289 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
290 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
291 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
292 fi
293 fi
294
295 # Enable TUI.
296 AC_ARG_ENABLE(tui,
297 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
298 [case $enableval in
299 yes | no | auto)
300 ;;
301 *)
302 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
303 esac],enable_tui=auto)
304
305 # Enable gdbtk.
306 AC_ARG_ENABLE(gdbtk,
307 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
308 [case $enableval in
309 yes | no)
310 ;;
311 *)
312 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
313 esac],
314 [if test -d "$srcdir/gdbtk"; then
315 enable_gdbtk=yes
316 else
317 enable_gdbtk=no
318 fi])
319 # We unconditionally disable gdbtk tests on selected platforms.
320 case $host_os in
321 go32* | windows*)
322 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
323 enable_gdbtk=no ;;
324 esac
325
326 # Libunwind support for ia64.
327
328 AC_ARG_WITH(libunwind-ia64,
329 AS_HELP_STRING([--with-libunwind-ia64],
330 [use libunwind frame unwinding for ia64 targets]),,
331 [with_libunwind_ia64=auto])
332
333 # Backward compatibility option.
334 if test "${with_libunwind+set}" = set; then
335 if test x"$with_libunwind_ia64" != xauto; then
336 AC_MSG_ERROR(
337 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
338 fi
339 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
340 with_libunwind_ia64="$with_libunwind"
341 fi
342
343 case "$with_libunwind_ia64" in
344 yes | no)
345 ;;
346 auto)
347 AC_CHECK_HEADERS(libunwind-ia64.h)
348 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
349 ;;
350 *)
351 AC_MSG_ERROR(
352 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
353 ;;
354 esac
355
356 if test x"$with_libunwind_ia64" = xyes; then
357 AC_CHECK_HEADERS(libunwind-ia64.h)
358 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
359 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
360 fi
361 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
362 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
363 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
364 fi
365
366 opt_curses=no
367 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
368
369 prefer_curses=no
370 if test "$opt_curses" = "yes"; then
371 prefer_curses=yes
372 fi
373
374 # Profiling support.
375 AC_ARG_ENABLE(profiling,
376 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
377 [case $enableval in
378 yes | no)
379 ;;
380 *)
381 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
382 esac],
383 [enable_profiling=no])
384
385 AC_CHECK_FUNCS(monstartup _mcleanup)
386 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
387 [AC_TRY_LINK(
388 [#include <stdlib.h>
389 extern char _etext;
390 ],
391 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
392 if test "$ac_cv_var__etext" = yes; then
393 AC_DEFINE(HAVE__ETEXT, 1,
394 [Define to 1 if your system has the _etext variable. ])
395 fi
396 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
397 [AC_TRY_LINK(
398 [#include <stdlib.h>
399 extern char etext;
400 ],
401 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
402 if test "$ac_cv_var_etext" = yes; then
403 AC_DEFINE(HAVE_ETEXT, 1,
404 [Define to 1 if your system has the etext variable. ])
405 fi
406 if test "$enable_profiling" = yes ; then
407 if test "$ac_cv_func_monstartup" = no || test "$ac_cv_func__mcleanup" = no; then
408 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
409 fi
410 PROFILE_CFLAGS=-pg
411 OLD_CFLAGS="$CFLAGS"
412 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
413
414 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
415 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
416 ac_cv_cc_supports_pg=no)])
417
418 if test "$ac_cv_cc_supports_pg" = no; then
419 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
420 fi
421
422 CFLAGS="$OLD_CFLAGS"
423 fi
424
425 CODESIGN_CERT=
426 AC_ARG_ENABLE([codesign],
427 AS_HELP_STRING([--enable-codesign=CERT],
428 [sign gdb with 'codesign -s CERT']),
429 [CODESIGN_CERT=$enableval])
430 AC_SUBST([CODESIGN_CERT])
431
432 ACX_PKGVERSION([GDB])
433 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
434 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
435 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
436
437 # --------------------- #
438 # Checks for programs. #
439 # --------------------- #
440
441 AC_PROG_AWK
442 AC_PROG_INSTALL
443 AC_PROG_LN_S
444 AC_PROG_RANLIB
445 AC_PROG_YACC
446
447 AC_CHECK_TOOL(AR, ar)
448 AC_CHECK_TOOL(DLLTOOL, dlltool)
449 AC_CHECK_TOOL(WINDRES, windres)
450
451 case $host_os in
452 gnu*)
453 # Needed for GNU Hurd hosts.
454 AC_CHECK_TOOL(MIG, mig)
455 if test x"$MIG" = x; then
456 AC_MSG_ERROR([MIG not found but required for $host hosts])
457 fi
458 ;;
459 esac
460
461 # ---------------------- #
462 # Checks for libraries. #
463 # ---------------------- #
464
465 # We might need to link with -lm; most simulators need it.
466 AC_CHECK_LIB(m, main)
467
468 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
469 AC_SEARCH_LIBS(gethostbyname, nsl)
470
471 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
472 AC_SEARCH_LIBS(socketpair, socket)
473
474 # Link in zlib if we can. This allows us to read compressed debug sections.
475 AM_ZLIB
476
477 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
478 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
479 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
480 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
481 [Define to 1 if your system has the kinfo_getvmmap function. ])])
482
483 # fbsd-nat.c can also use kinfo_getfile.
484 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd,
485 [AC_DEFINE(HAVE_KINFO_GETFILE, 1,
486 [Define to 1 if your system has the kinfo_getfile function. ])])
487
488 AM_ICONV
489
490 # GDB may fork/exec the iconv program to get the list of supported character
491 # sets. Allow the user to specify where to find it.
492 # There are several factors affecting the choice of option name:
493 # - There is already --with-libiconv-prefix but we can't use it, it specifies
494 # the build-time location of libiconv files.
495 # - The program we need to find is iconv, which comes with glibc. The user
496 # doesn't necessarily have libiconv installed. Therefore naming this
497 # --with-libiconv-foo feels wrong.
498 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
499 # defined to work on directories not files (though it really doesn't know
500 # the difference).
501 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
502 # with --with-libiconv-prefix.
503 # Putting these together is why the option name is --with-iconv-bin.
504
505 AC_ARG_WITH(iconv-bin,
506 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
507 [iconv_bin="${withval}"
508 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
509 [Path of directory of iconv program.])
510 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
511 ])
512
513 # For the TUI, we need enhanced curses functionality.
514 if test x"$enable_tui" != xno; then
515 prefer_curses=yes
516 fi
517
518 curses_found=no
519 if test x"$prefer_curses" = xyes; then
520 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
521 # curses library because the latter might not provide all the
522 # functionality we need. However, this leads to problems on systems
523 # where the linker searches /usr/local/lib, but the compiler doesn't
524 # search /usr/local/include, if ncurses is installed in /usr/local. A
525 # default installation of ncurses on alpha*-dec-osf* will lead to such
526 # a situation.
527 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
528
529 if test "$ac_cv_search_waddstr" != no; then
530 curses_found=yes
531 fi
532 fi
533
534 # Check whether we should enable the TUI, but only do so if we really
535 # can.
536 if test x"$enable_tui" != xno; then
537 if test -d "$srcdir/tui"; then
538 if test "$curses_found" != no; then
539 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
540 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
541 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
542 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
543 else
544 if test x"$enable_tui" = xyes; then
545 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
546 else
547 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
548 fi
549 fi
550 fi
551 fi
552
553 # Since GDB uses Readline, we need termcap functionality. In many
554 # cases this will be provided by the curses library, but some systems
555 # have a separate termcap library, or no curses library at all.
556
557 case $host_os in
558 cygwin*)
559 if test -d "$srcdir/libtermcap"; then
560 LIBS="../libtermcap/libtermcap.a $LIBS"
561 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
562 fi ;;
563 go32* | *djgpp*)
564 ac_cv_search_tgetent="none required"
565 ;;
566 esac
567
568 # These are the libraries checked by Readline.
569 AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
570
571 if test "$ac_cv_search_tgetent" = no; then
572 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
573 fi
574
575 AC_ARG_WITH([system-readline],
576 [AS_HELP_STRING([--with-system-readline],
577 [use installed readline library])])
578
579 if test "$with_system_readline" = yes; then
580 AC_CACHE_CHECK([whether system readline is new enough],
581 [gdb_cv_readline_ok],
582 [AC_TRY_COMPILE(
583 [#include <stdio.h>
584 #include <readline/readline.h>],
585 [#if RL_VERSION_MAJOR < 7
586 # error "readline version 7 required"
587 #endif],
588 gdb_cv_readline_ok=yes,
589 gdb_cv_readline_ok=no)])
590 if test "$gdb_cv_readline_ok" != yes; then
591 AC_MSG_ERROR([system readline is not new enough])
592 fi
593
594 READLINE=-lreadline
595 READLINE_DEPS=
596 READLINE_CFLAGS=
597 READLINE_TEXI_INCFLAG=
598 else
599 READLINE='$(READLINE_DIR)/libreadline.a'
600 READLINE_DEPS='$(READLINE)'
601 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
602 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
603 fi
604 AC_SUBST(READLINE)
605 AC_SUBST(READLINE_DEPS)
606 AC_SUBST(READLINE_CFLAGS)
607 AC_SUBST(READLINE_TEXI_INCFLAG)
608
609 # Generate jit-reader.h
610
611 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
612 TARGET_PTR=
613
614 AC_CHECK_SIZEOF(unsigned long long)
615 AC_CHECK_SIZEOF(unsigned long)
616 AC_CHECK_SIZEOF(unsigned __int128)
617
618 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
619 TARGET_PTR="unsigned long"
620 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
621 TARGET_PTR="unsigned long long"
622 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
623 TARGET_PTR="unsigned __int128"
624 else
625 TARGET_PTR="unsigned long"
626 fi
627
628 AC_SUBST(TARGET_PTR)
629 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
630
631 AC_SEARCH_LIBS(dlopen, dl)
632
633 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
634 [directory to load the JIT readers from],
635 [${libdir}/gdb])
636
637 AC_ARG_WITH(expat,
638 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
639 [], [with_expat=auto])
640 AC_MSG_CHECKING([whether to use expat])
641 AC_MSG_RESULT([$with_expat])
642
643 if test "${with_expat}" = no; then
644 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
645 HAVE_LIBEXPAT=no
646 else
647 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
648 [XML_Parser p = XML_ParserCreate (0);])
649 if test "$HAVE_LIBEXPAT" != yes; then
650 if test "$with_expat" = yes; then
651 AC_MSG_ERROR([expat is missing or unusable])
652 else
653 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
654 fi
655 else
656 save_LIBS=$LIBS
657 LIBS="$LIBS $LIBEXPAT"
658 AC_CHECK_FUNCS(XML_StopParser)
659 LIBS=$save_LIBS
660 fi
661 fi
662
663 AC_ARG_WITH(mpfr,
664 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
665 [], [with_mpfr=auto])
666 AC_MSG_CHECKING([whether to use MPFR])
667 AC_MSG_RESULT([$with_mpfr])
668
669 if test "${with_mpfr}" = no; then
670 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
671 HAVE_LIBMPFR=no
672 else
673 AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
674 [mpfr_exp_t exp; mpfr_t x;
675 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
676 if test "$HAVE_LIBMPFR" != yes; then
677 if test "$with_mpfr" = yes; then
678 AC_MSG_ERROR([MPFR is missing or unusable])
679 else
680 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
681 fi
682 fi
683 fi
684
685 # --------------------- #
686 # Check for libpython. #
687 # --------------------- #
688
689 dnl Utility to simplify finding libpython.
690 dnl $1 = the shell variable to assign the result to
691 dnl If libpython is found we store $version here.
692 dnl $2 = additional flags to add to CPPFLAGS
693 dnl $3 = additional flags to add to LIBS
694
695 AC_DEFUN([AC_TRY_LIBPYTHON],
696 [
697 define([have_libpython_var],$1)
698 new_CPPFLAGS=$2
699 new_LIBS=$3
700 AC_MSG_CHECKING([for python])
701 save_CPPFLAGS=$CPPFLAGS
702 save_LIBS=$LIBS
703 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
704 LIBS="$new_LIBS $LIBS"
705 found_usable_python=no
706 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
707 [[Py_Initialize ();]])],
708 [have_libpython_var=yes
709 found_usable_python=yes
710 PYTHON_CPPFLAGS=$new_CPPFLAGS
711 PYTHON_LIBS=$new_LIBS])
712 CPPFLAGS=$save_CPPFLAGS
713 LIBS=$save_LIBS
714 AC_MSG_RESULT([${found_usable_python}])
715 ])
716
717 dnl There are several different values for --with-python:
718 dnl
719 dnl no - Don't include python support.
720 dnl yes - Include python support, error if it's missing.
721 dnl If we find python in $PATH, use it to fetch configure options,
722 dnl otherwise assume the compiler can find it with no help from us.
723 dnl Python 2.7 and 2.6 are tried in turn.
724 dnl auto - Same as "yes", but if python is missing from the system,
725 dnl fall back to "no".
726 dnl /path/to/python/exec-prefix -
727 dnl Use the python located in this directory.
728 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
729 dnl the compilation parameters. Otherwise use
730 dnl -I/path/to/python/exec-prefix/include,
731 dnl -L/path/to/python/exec-prefix/lib.
732 dnl Python 2.7 and 2.6 are tried in turn.
733 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
734 dnl but is deprecated.
735 dnl /path/to/python/executable -
736 dnl Run python-config.py with this version of python to fetch the
737 dnl compilation parameters.
738 dnl NOTE: This needn't be the real python executable.
739 dnl In a cross-compilation scenario (build != host), this could be
740 dnl a shell script that provides what python-config.py provides for
741 dnl --ldflags, --includes, --exec-prefix.
742 dnl python-executable -
743 dnl Find python-executable in $PATH, and then handle the same as
744 dnl /path/to/python/executable.
745 dnl
746 dnl If a python program is specified, it is used to run python-config.py and
747 dnl is passed --ldflags, --includes, --exec-prefix.
748
749 AC_ARG_WITH(python,
750 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
751 [], [with_python=auto])
752 AC_MSG_CHECKING([whether to use python])
753 AC_MSG_RESULT([$with_python])
754
755 if test "${with_python}" = no; then
756 AC_MSG_WARN([python support disabled; some features may be unavailable.])
757 have_libpython=no
758 else
759 case "${with_python}" in
760 [[\\/]]* | ?:[[\\/]]*)
761 if test -d "${with_python}"; then
762 # Assume the python binary is ${with_python}/bin/python.
763 python_prog="${with_python}/bin/python"
764 python_prefix=
765 # If python does not exit ${with_python}/bin, then try in
766 # ${with_python}. On Windows/MinGW, this is where the Python
767 # executable is.
768 if test ! -x "${python_prog}"; then
769 python_prog="${with_python}/python"
770 python_prefix=
771 fi
772 if test ! -x "${python_prog}"; then
773 # Fall back to gdb 7.0/7.1 behaviour.
774 python_prog=missing
775 python_prefix=${with_python}
776 fi
777 elif test -x "${with_python}"; then
778 # While we can't run python compiled for $host (unless host == build),
779 # the user could write a script that provides the needed information,
780 # so we support that.
781 python_prog=${with_python}
782 python_prefix=
783 else
784 AC_ERROR(invalid value for --with-python)
785 fi
786 ;;
787 */*)
788 # Disallow --with-python=foo/bar.
789 AC_ERROR(invalid value for --with-python)
790 ;;
791 *)
792 # The user has either specified auto, yes, or the name of the python
793 # program assumed to be in $PATH.
794 python_prefix=
795 case "${with_python}" in
796 yes | auto)
797 if test "${build}" = "${host}"; then
798 AC_PATH_PROG(python_prog_path, python, missing)
799 if test "${python_prog_path}" = missing; then
800 python_prog=missing
801 else
802 python_prog=${python_prog_path}
803 fi
804 else
805 # Not much we can do except assume the cross-compiler will find the
806 # right files.
807 python_prog=missing
808 fi
809 ;;
810 *)
811 # While we can't run python compiled for $host (unless host == build),
812 # the user could write a script that provides the needed information,
813 # so we support that.
814 python_prog="${with_python}"
815 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
816 if test "${python_prog_path}" = missing; then
817 AC_ERROR(unable to find python program ${python_prog})
818 fi
819 ;;
820 esac
821 esac
822
823 if test "${python_prog}" != missing; then
824 # We have a python program to use, but it may be too old.
825 # Don't flag an error for --with-python=auto (the default).
826 have_python_config=yes
827 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
828 if test $? != 0; then
829 have_python_config=failed
830 if test "${with_python}" != auto; then
831 AC_ERROR(failure running python-config --includes)
832 fi
833 fi
834 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
835 if test $? != 0; then
836 have_python_config=failed
837 if test "${with_python}" != auto; then
838 AC_ERROR(failure running python-config --ldflags)
839 fi
840 fi
841 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
842 if test $? != 0; then
843 have_python_config=failed
844 if test "${with_python}" != auto; then
845 AC_ERROR(failure running python-config --exec-prefix)
846 fi
847 fi
848 else
849 # We do not have a python executable we can use to determine where
850 # to find the Python headers and libs. We cannot guess the include
851 # path from the python_prefix either, because that include path
852 # depends on the Python version. So, there is nothing much we can
853 # do except assume that the compiler will be able to find those files.
854 python_includes=
855 python_libs=
856 have_python_config=no
857 fi
858
859 # If we have python-config, only try the configuration it provides.
860 # Otherwise fallback on the old way of trying different versions of
861 # python in turn.
862
863 have_libpython=no
864 if test "${have_python_config}" = yes; then
865 AC_TRY_LIBPYTHON(have_libpython,
866 ${python_includes}, ${python_libs})
867 elif test "${have_python_config}" != failed; then
868 if test "${have_libpython}" = no; then
869 AC_TRY_LIBPYTHON(have_libpython,
870 ${python_includes}, "-lpython2.7 ${python_libs}")
871 fi
872 if test "${have_libpython}" = no; then
873 AC_TRY_LIBPYTHON(have_libpython,
874 ${python_includes}, "-lpython2.6 ${python_libs}")
875 fi
876 fi
877
878 if test "${have_libpython}" = no; then
879 case "${with_python}" in
880 yes)
881 AC_MSG_ERROR([python is missing or unusable])
882 ;;
883 auto)
884 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
885 ;;
886 *)
887 AC_MSG_ERROR([no usable python found at ${with_python}])
888 ;;
889 esac
890 else
891 if test -n "${python_prefix}"; then
892 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
893 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
894 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
895 fi
896 fi
897 fi
898
899 if test "${have_libpython}" != no; then
900 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
901 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
902 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
903 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
904 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
905 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
906
907 # Flags needed to compile Python code (taken from python-config --cflags).
908 # We cannot call python-config directly because it will output whatever was
909 # used when compiling the Python interpreter itself, including flags which
910 # would make the python-related objects be compiled differently from the
911 # rest of GDB (e.g., -O2 and -fPIC).
912 if test "${GCC}" = yes; then
913 tentative_python_cflags="-fno-strict-aliasing -fwrapv"
914 # Python headers recommend -DNDEBUG, but it's unclear if that just
915 # refers to building Python itself. In release mode, though, it
916 # doesn't hurt for the Python code in gdb to follow.
917 $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
918 fi
919
920 if test "x${tentative_python_cflags}" != x; then
921 AC_MSG_CHECKING(compiler flags for python code)
922 for flag in ${tentative_python_cflags}; do
923 # Check that the compiler accepts it
924 saved_CFLAGS="$CFLAGS"
925 CFLAGS="$CFLAGS $flag"
926 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
927 CFLAGS="$saved_CFLAGS"
928 done
929 AC_MSG_RESULT(${PYTHON_CFLAGS})
930 fi
931
932 # On x64 Windows, Python's include headers, and pyconfig.h in
933 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
934 # version of Windows. Unfortunately, MS_WIN64 is only defined if
935 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
936 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
937 # The issue was reported to the Python community, but still isn't
938 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
939
940 case "$gdb_host" in
941 mingw64)
942 if test "${GCC}" = yes; then
943 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
944 fi
945 ;;
946 esac
947 else
948 # Even if Python support is not compiled in, we need to have this file
949 # included so that the "python" command, et.al., still exists.
950 CONFIG_OBS="$CONFIG_OBS python/python.o"
951 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
952 fi
953
954 # Work around Python http://bugs.python.org/issue10112. See also
955 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
956 # no effect. Note that the only test after this that uses Python is
957 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
958 # run without -export-dynamic too.
959 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
960
961 AC_SUBST(PYTHON_CFLAGS)
962 AC_SUBST(PYTHON_CPPFLAGS)
963 AC_SUBST(PYTHON_LIBS)
964 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
965
966 # -------------------- #
967 # Check for libguile. #
968 # -------------------- #
969
970 dnl Utility to simplify finding libguile.
971 dnl $1 = pkg-config-program
972 dnl $2 = space-separate list of guile versions to try
973 dnl $3 = yes|no, indicating whether to flag errors or ignore them
974 dnl $4 = the shell variable to assign the result to
975 dnl If libguile is found we store "yes" here.
976
977 AC_DEFUN([AC_TRY_LIBGUILE],
978 [
979 pkg_config=$1
980 guile_version_list=$2
981 flag_errors=$3
982 define([have_libguile_var],$4)
983 found_usable_guile=checking
984 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
985 for guile_version in ${guile_version_list}; do
986 ${pkg_config} --exists ${guile_version} 2>/dev/null
987 if test $? != 0; then
988 continue
989 fi
990 dnl pkg-config says the package exists, so if we get an error now,
991 dnl that's bad.
992 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
993 if test $? != 0; then
994 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
995 fi
996 new_LIBS=`${pkg_config} --libs ${guile_version}`
997 if test $? != 0; then
998 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
999 fi
1000 dnl If we get this far, great.
1001 found_usable_guile=${guile_version}
1002 break
1003 done
1004 if test "${found_usable_guile}" = "checking"; then
1005 if test "${flag_errors}" = "yes"; then
1006 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1007 else
1008 found_usable_guile=no
1009 fi
1010 fi
1011 dnl One final sanity check.
1012 dnl The user could have said --with-guile=python-2.7.
1013 if test "${found_usable_guile}" != no; then
1014 save_CPPFLAGS=$CPPFLAGS
1015 save_LIBS=$LIBS
1016 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1017 LIBS="$LIBS $new_LIBS"
1018 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1019 [[scm_init_guile ();]])],
1020 [have_libguile_var=yes
1021 GUILE_CPPFLAGS=$new_CPPFLAGS
1022 GUILE_LIBS=$new_LIBS],
1023 [found_usable_guile=no])
1024 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1025 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1026 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1027 [Define if Guile supports manual finalization.])
1028 )
1029 CPPFLAGS=$save_CPPFLAGS
1030 LIBS=$save_LIBS
1031 if test "${found_usable_guile}" = no; then
1032 if test "${flag_errors}" = yes; then
1033 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1034 fi
1035 fi
1036 fi
1037 AC_MSG_RESULT([${found_usable_guile}])
1038 ])
1039
1040 dnl There are several different values for --with-guile:
1041 dnl
1042 dnl no - Don't include guile support.
1043 dnl yes - Include guile support, error if it's missing.
1044 dnl The pkg-config program must be in $PATH.
1045 dnl auto - Same as "yes", but if guile is missing from the system,
1046 dnl fall back to "no".
1047 dnl guile-version [guile-version-choice-2 ...] -
1048 dnl A space-separated list of guile package versions to try.
1049 dnl These are passed to pkg-config as-is.
1050 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1051 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1052 dnl /path/to/pkg-config -
1053 dnl Use this pkg-config program.
1054 dnl NOTE: This needn't be the "real" pkg-config program.
1055 dnl It could be a shell script. It is invoked as:
1056 dnl pkg-config --exists $version
1057 dnl pkg-config --cflags $version
1058 dnl pkg-config --libs $version
1059 dnl pkg-config --variable guild $version
1060 dnl The script will be called with $version having each value in
1061 dnl $try_guile_versions until --exists indicates success.
1062
1063 AC_ARG_WITH(guile,
1064 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1065 [], [with_guile=auto])
1066 AC_MSG_CHECKING([whether to use guile])
1067 AC_MSG_RESULT([$with_guile])
1068
1069 dnl We check guile with pkg-config.
1070 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1071
1072 try_guile_versions="guile-2.0"
1073 have_libguile=no
1074 case "${with_guile}" in
1075 no)
1076 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1077 ;;
1078 auto)
1079 if test "${pkg_config_prog_path}" = "missing"; then
1080 AC_MSG_WARN([pkg-config not found, guile support disabled])
1081 else
1082 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1083 fi
1084 ;;
1085 yes)
1086 if test "${pkg_config_prog_path}" = "missing"; then
1087 AC_MSG_ERROR([pkg-config not found])
1088 fi
1089 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1090 ;;
1091 [[\\/]]* | ?:[[\\/]]*)
1092 if test -x "${with_guile}"; then
1093 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1094 else
1095 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1096 fi
1097 ;;
1098 "" | */*)
1099 # Disallow --with=guile="" and --with-guile=foo/bar.
1100 AC_MSG_ERROR([invalid value for --with-guile])
1101 ;;
1102 *)
1103 # A space separate list of guile versions to try, in order.
1104 if test "${pkg_config_prog_path}" = "missing"; then
1105 AC_MSG_ERROR([pkg-config not found])
1106 fi
1107 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1108 ;;
1109 esac
1110
1111 if test "${have_libguile}" != no; then
1112 dnl Get the name of the 'guild' program.
1113 case "${with_guile}" in
1114 [[\\/]]* | ?:[[\\/]]*)
1115 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1116 ;;
1117 *)
1118 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1119 ;;
1120 esac
1121
1122 dnl Make sure guild can handle this host.
1123 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1124 dnl If not, disable guile support.
1125 if test "$ac_cv_guild_ok" = no; then
1126 have_libguile=no
1127 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1128 fi
1129 fi
1130
1131 if test "${have_libguile}" != no; then
1132 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1133 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1134 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1135 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1136 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1137 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1138
1139 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1140 save_LIBS="$LIBS"
1141 save_CPPFLAGS="$CPPFLAGS"
1142 LIBS="$GUILE_LIBS"
1143 CPPFLAGS="$GUILE_CPPFLAGS"
1144 AC_CHECK_FUNCS([scm_new_smob])
1145 LIBS="$save_LIBS"
1146 CPPFLAGS="$save_CPPFLAGS"
1147 else
1148 # Even if Guile support is not compiled in, we need to have these files
1149 # included.
1150 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1151 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1152 fi
1153 AC_SUBST(GUILE_CPPFLAGS)
1154 AC_SUBST(GUILE_LIBS)
1155 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1156
1157 # ---------------------------- #
1158 # Check for source highlight. #
1159 # ---------------------------- #
1160
1161 SRCHIGH_LIBS=
1162 SRCHIGH_CFLAGS=
1163
1164 AC_ARG_ENABLE(source-highlight,
1165 AS_HELP_STRING([--enable-source-highlight],
1166 [enable source-highlight for source listings]),
1167 [case "${enableval}" in
1168 yes) enable_source_highlight=yes ;;
1169 no) enable_source_highlight=no ;;
1170 *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
1171 esac],
1172 [enable_source_highlight=auto])
1173
1174 if test "${enable_source_highlight}" != "no"; then
1175 AC_MSG_CHECKING([for the source-highlight library])
1176 if test "${pkg_config_prog_path}" = "missing"; then
1177 AC_MSG_RESULT([no - pkg-config not found])
1178 if test "${enable_source_highlight}" = "yes"; then
1179 AC_MSG_ERROR([pkg-config was not found in your system])
1180 fi
1181 else
1182 case "$LDFLAGS" in
1183 *static-libstdc*)
1184 AC_MSG_ERROR([source highlight is incompatible with -static-libstdc++; dnl
1185 either use --disable-source-highlight or dnl
1186 --without-static-standard-libraries])
1187 ;;
1188 esac
1189
1190 if ${pkg_config_prog_path} --exists source-highlight; then
1191 SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
1192 SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
1193 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1194 [Define to 1 if the source-highlight library is available])
1195 AC_MSG_RESULT([yes])
1196 else
1197 AC_MSG_RESULT([no])
1198 if test "${enable_source_highlight}" = "yes"; then
1199 AC_MSG_ERROR([source-highlight was not found in your system])
1200 fi
1201 fi
1202 fi
1203 fi
1204 AC_SUBST(SRCHIGH_LIBS)
1205 AC_SUBST(SRCHIGH_CFLAGS)
1206
1207 AC_ARG_WITH(intel_pt,
1208 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1209 [], [with_intel_pt=auto])
1210 AC_MSG_CHECKING([whether to use intel pt])
1211 AC_MSG_RESULT([$with_intel_pt])
1212
1213 if test "${with_intel_pt}" = no; then
1214 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1215 HAVE_LIBIPT=no
1216 else
1217 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1218 #include <linux/perf_event.h>
1219 #ifndef PERF_ATTR_SIZE_VER5
1220 # error
1221 #endif
1222 ]])], [perf_event=yes], [perf_event=no])
1223 if test "$perf_event" != yes; then
1224 if test "$with_intel_pt" = yes; then
1225 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1226 else
1227 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1228 fi
1229 fi
1230
1231 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1232 if test "$HAVE_LIBIPT" != yes; then
1233 if test "$with_intel_pt" = yes; then
1234 AC_MSG_ERROR([libipt is missing or unusable])
1235 else
1236 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1237 fi
1238 else
1239 save_LIBS=$LIBS
1240 LIBS="$LIBS $LIBIPT"
1241 AC_CHECK_FUNCS(pt_insn_event)
1242 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1243 [#include <intel-pt.h>])
1244 LIBS=$save_LIBS
1245 fi
1246 fi
1247
1248 # ------------------------- #
1249 # Checks for header files. #
1250 # ------------------------- #
1251
1252 AC_HEADER_STDC
1253 # elf_hp.h is for HP/UX 64-bit shared library support.
1254 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1255 thread_db.h linux/elf.h \
1256 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1257 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1258 sys/reg.h sys/debugreg.h sys/select.h \
1259 termios.h elf_hp.h])
1260 AC_CHECK_HEADERS(sys/user.h, [], [],
1261 [#if HAVE_SYS_PARAM_H
1262 # include <sys/param.h>
1263 #endif
1264 ])
1265
1266 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1267 AC_CHECK_HEADERS(term.h, [], [],
1268 [#if HAVE_CURSES_H
1269 # include <curses.h>
1270 #endif
1271 ])
1272
1273 # ------------------------- #
1274 # Checks for declarations. #
1275 # ------------------------- #
1276
1277 libiberty_INIT
1278
1279 AC_CHECK_DECLS([snprintf])
1280 AM_LC_MESSAGES
1281
1282 # ----------------------- #
1283 # Checks for structures. #
1284 # ----------------------- #
1285
1286 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1287
1288 # ------------------ #
1289 # Checks for types. #
1290 # ------------------ #
1291
1292 AC_CHECK_TYPES(socklen_t, [], [],
1293 [#include <sys/types.h>
1294 #include <sys/socket.h>
1295 ])
1296
1297 # ------------------------------------- #
1298 # Checks for compiler characteristics. #
1299 # ------------------------------------- #
1300
1301 AC_C_CONST
1302 AC_C_INLINE
1303 AC_C_BIGENDIAN
1304
1305 # ------------------------------ #
1306 # Checks for library functions. #
1307 # ------------------------------ #
1308
1309 AC_FUNC_MMAP
1310 AC_FUNC_VFORK
1311 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1312 pipe poll pread pread64 pwrite resize_term \
1313 sbrk getpgid setpgid setpgrp setsid \
1314 sigaction sigsetmask socketpair \
1315 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1316 setrlimit getrlimit posix_madvise waitpid \
1317 ptrace64 sigaltstack setns use_default_colors])
1318 AM_LANGINFO_CODESET
1319 GDB_AC_COMMON
1320
1321 # Check the return and argument types of ptrace.
1322 GDB_AC_PTRACE
1323
1324 dnl AC_FUNC_SETPGRP does not work when cross compiling
1325 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1326 if test "$cross_compiling" = no; then
1327 AC_FUNC_SETPGRP
1328 else
1329 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1330 [AC_TRY_COMPILE([
1331 #include <unistd.h>
1332 ], [
1333 if (setpgrp(1,1) == -1)
1334 exit (0);
1335 else
1336 exit (1);
1337 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1338 if test "$ac_cv_func_setpgrp_void" = yes; then
1339 AC_DEFINE(SETPGRP_VOID, 1)
1340 fi
1341 fi
1342
1343 # Assume we'll default to using the included libiberty regex.
1344 gdb_use_included_regex=yes
1345
1346 # However, if the system regex is GNU regex, then default to *not*
1347 # using the included regex.
1348 AC_CACHE_CHECK(
1349 [for GNU regex],
1350 [gdb_cv_have_gnu_regex],
1351 [AC_TRY_COMPILE(
1352 [#include <gnu-versions.h>],
1353 [#define REGEX_INTERFACE_VERSION 1
1354 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1355 # error "Version mismatch"
1356 #endif],
1357 gdb_cv_have_gnu_regex=yes,
1358 gdb_cv_have_gnu_regex=no)])
1359 if test "$gdb_cv_have_gnu_regex" = yes; then
1360 gdb_use_included_regex=no
1361 fi
1362
1363 AC_ARG_WITH(included-regex,
1364 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1365 gdb_with_regex=$withval,
1366 gdb_with_regex=$gdb_use_included_regex)
1367 if test "$gdb_with_regex" = yes; then
1368 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1369 [Define to 1 if the regex included in libiberty should be used.])
1370 fi
1371
1372 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1373 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1374 [#include <sys/param.h>
1375 #include <sys/proc.h>
1376 ])
1377
1378 # See if <sys/lwp.h> defines `struct lwp`.
1379 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1380 [AC_TRY_COMPILE([#include <sys/param.h>
1381 #define _KMEMUSER
1382 #include <sys/lwp.h>], [struct lwp l;],
1383 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1384 if test "$gdb_cv_struct_lwp" = yes; then
1385 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1386 [Define to 1 if your system has struct lwp.])
1387 fi
1388
1389 # See if <machine/reg.h> degines `struct reg'.
1390 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1391 [AC_TRY_COMPILE([#include <sys/types.h>
1392 #include <machine/reg.h>], [struct reg r;],
1393 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1394 if test "$gdb_cv_struct_reg" = yes; then
1395 AC_DEFINE(HAVE_STRUCT_REG, 1,
1396 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1397 fi
1398
1399 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1400 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1401 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1402 [#include <sys/types.h>
1403 #include <machine/reg.h>])
1404
1405 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1406 # Older amd64 Linux's don't have the fs_base and gs_base members of
1407 # `struct user_regs_struct'.
1408 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1409 [], [], [#include <sys/types.h>
1410 #include <sys/user.h>])
1411
1412 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1413 AC_MSG_CHECKING(for PTRACE_GETREGS)
1414 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1415 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1416 [PTRACE_GETREGS;],
1417 [gdb_cv_have_ptrace_getregs=yes],
1418 [gdb_cv_have_ptrace_getregs=no])])
1419 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1420 if test "$gdb_cv_have_ptrace_getregs" = yes; then
1421 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1422 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1423 fi
1424
1425 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1426 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1427 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1428 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1429 [PTRACE_GETFPXREGS;],
1430 [gdb_cv_have_ptrace_getfpxregs=yes],
1431 [gdb_cv_have_ptrace_getfpxregs=no])])
1432 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1433 if test "$gdb_cv_have_ptrace_getfpxregs" = yes; then
1434 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1435 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1436 fi
1437
1438 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1439 AC_MSG_CHECKING(for PT_GETDBREGS)
1440 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1441 [AC_TRY_COMPILE([#include <sys/types.h>
1442 #include <sys/ptrace.h>],
1443 [PT_GETDBREGS;],
1444 [gdb_cv_have_pt_getdbregs=yes],
1445 [gdb_cv_have_pt_getdbregs=no])])
1446 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1447 if test "$gdb_cv_have_pt_getdbregs" = yes; then
1448 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1449 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1450 fi
1451
1452 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1453 AC_MSG_CHECKING(for PT_GETXMMREGS)
1454 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1455 [AC_TRY_COMPILE([#include <sys/types.h>
1456 #include <sys/ptrace.h>],
1457 [PT_GETXMMREGS;],
1458 [gdb_cv_have_pt_getxmmregs=yes],
1459 [gdb_cv_have_pt_getxmmregs=no])])
1460 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1461 if test "$gdb_cv_have_pt_getxmmregs" = yes; then
1462 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1463 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1464 fi
1465
1466 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1467 # Older FreeBSD versions don't have the pl_tdname member of
1468 # `struct ptrace_lwpinfo'.
1469 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1470 [#include <sys/ptrace.h>])
1471
1472 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1473 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1474 # FreeBSD 10.3.
1475 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1476 [#include <sys/ptrace.h>])
1477
1478 if test "$ac_cv_header_sys_procfs_h" = yes; then
1479 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1480 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1481 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1482 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1483 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1484 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1485 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1486 BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
1487 fi
1488
1489 # Check if the compiler supports the `long long' type.
1490
1491 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1492 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1493 [[extern long long foo;]],
1494 [[switch (foo & 2) { case 0: return 1; }]])],
1495 gdb_cv_c_long_long=yes,
1496 gdb_cv_c_long_long=no)])
1497 if test "$gdb_cv_c_long_long" != yes; then
1498 # libdecnumber requires long long.
1499 AC_MSG_ERROR([Compiler must support long long for GDB.])
1500 fi
1501
1502 # Check if the compiler and runtime support printing long longs.
1503
1504 AC_CACHE_CHECK([for long long support in printf],
1505 gdb_cv_printf_has_long_long,
1506 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1507 [[char buf[32];
1508 long long l = 0;
1509 l = (l << 16) + 0x0123;
1510 l = (l << 16) + 0x4567;
1511 l = (l << 16) + 0x89ab;
1512 l = (l << 16) + 0xcdef;
1513 sprintf (buf, "0x%016llx", l);
1514 return (strcmp ("0x0123456789abcdef", buf));]])],
1515 gdb_cv_printf_has_long_long=yes,
1516 gdb_cv_printf_has_long_long=no,
1517 gdb_cv_printf_has_long_long=no)])
1518 if test "$gdb_cv_printf_has_long_long" = yes; then
1519 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1520 [Define to 1 if the "%ll" format works to print long longs.])
1521 fi
1522
1523 # Check if the compiler and runtime support printing decfloats.
1524
1525 AC_CACHE_CHECK([for decfloat support in printf],
1526 gdb_cv_printf_has_decfloat,
1527 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1528 [[char buf[64];
1529 _Decimal32 d32 = 1.2345df;
1530 _Decimal64 d64 = 1.2345dd;
1531 _Decimal128 d128 = 1.2345dl;
1532 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1533 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1534 gdb_cv_printf_has_decfloat=yes,
1535 gdb_cv_printf_has_decfloat=no,
1536 gdb_cv_printf_has_decfloat=no)])
1537 if test "$gdb_cv_printf_has_decfloat" = yes; then
1538 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1539 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1540 fi
1541
1542 # Check if the compiler supports the `long double' type. We can't use
1543 # AC_C_LONG_DOUBLE because that one does additional checks on the
1544 # constants defined in <float.h> that fail on some systems,
1545 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1546
1547 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1548 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1549 gdb_cv_c_long_double=yes,
1550 gdb_cv_c_long_double=no)])
1551 if test "$gdb_cv_c_long_double" = yes; then
1552 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1553 [Define to 1 if the compiler supports long double.])
1554 fi
1555
1556 # Check if the compiler and runtime support printing long doubles.
1557
1558 AC_CACHE_CHECK([for long double support in printf],
1559 gdb_cv_printf_has_long_double,
1560 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1561 [[char buf[16];
1562 long double f = 3.141592653;
1563 sprintf (buf, "%Lg", f);
1564 return (strncmp ("3.14159", buf, 7));]])],
1565 gdb_cv_printf_has_long_double=yes,
1566 gdb_cv_printf_has_long_double=no,
1567 gdb_cv_printf_has_long_double=no)])
1568 if test "$gdb_cv_printf_has_long_double" = yes; then
1569 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1570 [Define to 1 if the "%Lg" format works to print long doubles.])
1571 fi
1572
1573 # Check if the compiler and runtime support scanning long doubles.
1574
1575 AC_CACHE_CHECK([for long double support in scanf],
1576 gdb_cv_scanf_has_long_double,
1577 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1578 [[#include <stdio.h>]],
1579 [[char *buf = "3.141592653";
1580 long double f = 0;
1581 sscanf (buf, "%Lg", &f);
1582 return !(f > 3.14159 && f < 3.14160);]])],
1583 gdb_cv_scanf_has_long_double=yes,
1584 gdb_cv_scanf_has_long_double=no,
1585 gdb_cv_scanf_has_long_double=no)])
1586 if test "$gdb_cv_scanf_has_long_double" = yes; then
1587 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1588 [Define to 1 if the "%Lg" format works to scan long doubles.])
1589 fi
1590
1591 case ${host_os} in
1592 aix*)
1593 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1594 SAVE_LDFLAGS=$LDFLAGS
1595
1596 case $GCC in
1597 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1598 *) gdb_cv_bigtoc=-bbigtoc ;;
1599 esac
1600
1601 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1602 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1603 LDFLAGS="${SAVE_LDFLAGS}"
1604 ])
1605 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1606 ;;
1607 esac
1608
1609 AC_MSG_CHECKING(for the dynamic export flag)
1610 dynamic_list=false
1611 if test "${gdb_native}" = yes; then
1612 # The dynamically loaded libthread_db needs access to symbols in the gdb
1613 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1614 # may not be supported there.
1615 old_LDFLAGS="$LDFLAGS"
1616 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1617 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1618 LDFLAGS="$LDFLAGS $RDYNAMIC"
1619 if test "${have_libpython}" = no; then
1620 AC_TRY_LINK([], [], [dynamic_list=true])
1621 else
1622 # Workaround http://bugs.python.org/issue4434 where static
1623 # libpythonX.Y.a would get its symbols required for
1624 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1625 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1626
1627 # Note the workaround for Python
1628 # http://bugs.python.org/issue10112 earlier has removed
1629 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1630 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1631 # always pass.
1632 old_CFLAGS="$CFLAGS"
1633 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1634 old_LIBS="$LIBS"
1635 LIBS="$LIBS $PYTHON_LIBS"
1636 old_CPPFLAGS="$CPPFLAGS"
1637 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1638 AC_RUN_IFELSE(
1639 [AC_LANG_PROGRAM(
1640 [#include "Python.h"],
1641 [int err;
1642 Py_Initialize ();
1643 err = PyRun_SimpleString ("import itertools\n");
1644 Py_Finalize ();
1645 return err == 0 ? 0 : 1;])],
1646 [dynamic_list=true], [], [true])
1647 LIBS="$old_LIBS"
1648 CFLAGS="$old_CFLAGS"
1649 CPPFLAGS="$old_CPPFLAGS"
1650 fi
1651 LDFLAGS="$old_LDFLAGS"
1652 fi
1653 if $dynamic_list; then
1654 found="-Wl,--dynamic-list"
1655 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1656 else
1657 found="-rdynamic"
1658 RDYNAMIC="-rdynamic"
1659 fi
1660 AC_SUBST(RDYNAMIC)
1661 AC_MSG_RESULT($found)
1662
1663 dnl For certain native configurations, we need to check whether thread
1664 dnl support can be built in or not.
1665 dnl
1666 dnl Note that we only want this if we are both native (host == target),
1667 dnl and not doing a canadian cross build (build == host).
1668
1669 if test "${build}" = "${host}" -a "${host}" = "${target}" ; then
1670 case ${host_os} in
1671 aix*)
1672 AC_MSG_CHECKING(for AiX thread debugging library)
1673 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1674 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1675 [#ifndef PTHDB_VERSION_3
1676 #error
1677 #endif],
1678 gdb_cv_have_aix_thread_debug=yes,
1679 gdb_cv_have_aix_thread_debug=no)])
1680 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1681 if test "$gdb_cv_have_aix_thread_debug" = yes; then
1682 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1683 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1684 LIBS="$LIBS -lpthdebug"
1685
1686 # Older versions of AIX do not provide the declaration for
1687 # the getthrds function (it appears that it was introduced
1688 # with AIX 6.x).
1689 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1690 fi
1691 ;;
1692 esac
1693 AC_SUBST(CONFIG_LDFLAGS)
1694 fi
1695
1696 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1697 dnl other error codes.
1698 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1699 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1700 gdb_cv_thread_db_h_has_td_notalloc,
1701 AC_TRY_COMPILE(
1702 [#include <thread_db.h>],
1703 [int i = TD_NOTALLOC;],
1704 gdb_cv_thread_db_h_has_td_notalloc=yes,
1705 gdb_cv_thread_db_h_has_td_notalloc=no
1706 )
1707 )
1708 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1709 gdb_cv_thread_db_h_has_td_version,
1710 AC_TRY_COMPILE(
1711 [#include <thread_db.h>],
1712 [int i = TD_VERSION;],
1713 gdb_cv_thread_db_h_has_td_version=yes,
1714 gdb_cv_thread_db_h_has_td_version=no
1715 )
1716 )
1717 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1718 gdb_cv_thread_db_h_has_td_notls,
1719 AC_TRY_COMPILE(
1720 [#include <thread_db.h>],
1721 [int i = TD_NOTLS;],
1722 gdb_cv_thread_db_h_has_td_notls=yes,
1723 gdb_cv_thread_db_h_has_td_notls=no
1724 )
1725 )
1726 fi
1727 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1728 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1729 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1730 fi
1731 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1732 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1733 [Define if <thread_db.h> has the TD_VERSION error code.])
1734 fi
1735 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1736 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1737 [Define if <thread_db.h> has the TD_NOTLS error code.])
1738 fi
1739
1740 dnl Check if we can disable the virtual address space randomization.
1741 dnl The functionality of setarch -R.
1742 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1743 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1744 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1745 # define ADDR_NO_RANDOMIZE 0x0040000
1746 # endif
1747 /* Test the flag could be set and stays set. */
1748 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1749 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1750 return 1])])
1751 AC_RUN_IFELSE([PERSONALITY_TEST],
1752 [have_personality=true],
1753 [have_personality=false],
1754 [AC_LINK_IFELSE([PERSONALITY_TEST],
1755 [have_personality=true],
1756 [have_personality=false])])
1757 if $have_personality
1758 then
1759 AC_DEFINE([HAVE_PERSONALITY], 1,
1760 [Define if you support the personality syscall.])
1761 fi
1762
1763 dnl Set the host's .gdbinit filename.
1764 case $host_os in
1765 go32* | *djgpp*)
1766 gdbinit=gdb.ini
1767 ;;
1768 *)
1769 gdbinit=.gdbinit
1770 ;;
1771 esac
1772 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1773
1774 dnl Handle optional features that can be enabled.
1775
1776 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1777 # except that the argument to --with-sysroot is optional.
1778 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1779 if test "x$with_sysroot" = xyes; then
1780 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1781 fi
1782 AC_ARG_WITH(sysroot,
1783 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1784 [search for usr/lib et al within DIR]),
1785 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1786 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1787 [search for usr/lib et al within DIR])
1788 AC_SUBST(TARGET_SYSTEM_ROOT)
1789 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1790
1791 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1792 [automatically load a system-wide gdbinit file],
1793 [])
1794 GDB_AC_WITH_DIR(SYSTEM_GDBINIT_DIR, system-gdbinit-dir,
1795 [automatically load system-wide gdbinit files from this directory],
1796 [])
1797
1798 AM_GDB_WARNINGS
1799 AM_GDB_UBSAN
1800
1801 # In the Cygwin environment, we need some additional flags.
1802 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1803 [AC_EGREP_CPP(^lose$, [
1804 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1805 lose
1806 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1807
1808
1809 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1810 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1811 case ${host} in
1812 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1813 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1814 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1815 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1816 esac
1817 AC_SUBST(SER_HARDWIRE)
1818
1819 # libreadline needs libuser32.a in a cygwin environment
1820 WIN32LIBS=
1821 if test x"$gdb_cv_os_cygwin" = xyes; then
1822 WIN32LIBS="-luser32"
1823 case "${target}" in
1824 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1825 ;;
1826 esac
1827 fi
1828
1829 # The ser-tcp.c module requires sockets.
1830 # Note that WIN32APILIBS is set by GDB_AC_COMMON.
1831 WIN32LIBS="$WIN32LIBS $WIN32APILIBS"
1832
1833 # Add ELF support to GDB, but only if BFD includes ELF support.
1834 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1835 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1836 if test "$gdb_cv_var_elf" = yes; then
1837 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1838 AC_DEFINE(HAVE_ELF, 1,
1839 [Define if ELF support should be included.])
1840 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1841 if test "$plugins" = "yes"; then
1842 AC_SEARCH_LIBS(dlopen, dl)
1843 fi
1844 fi
1845
1846 # Add macho support to GDB, but only if BFD includes it.
1847 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1848 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1849 if test "$gdb_cv_var_macho" = yes; then
1850 CONFIG_OBS="$CONFIG_OBS machoread.o"
1851 fi
1852
1853 # Add any host-specific objects to GDB.
1854 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1855
1856 # If building on ELF, look for lzma support for embedded compressed debug info.
1857 if test "$gdb_cv_var_elf" = yes; then
1858 AC_ARG_WITH(lzma,
1859 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1860 [], [with_lzma=auto])
1861 AC_MSG_CHECKING([whether to use lzma])
1862 AC_MSG_RESULT([$with_lzma])
1863
1864 if test "${with_lzma}" != no; then
1865 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1866 [lzma_index_iter iter;
1867 lzma_index_iter_init (&iter, 0);
1868 lzma_mf_is_supported (LZMA_MF_HC3);])
1869 if test "$HAVE_LIBLZMA" != yes; then
1870 if test "$with_lzma" = yes; then
1871 AC_MSG_ERROR([missing liblzma for --with-lzma])
1872 fi
1873 fi
1874 fi
1875 fi
1876
1877 LIBGUI="../libgui/src/libgui.a"
1878 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1879 AC_SUBST(LIBGUI)
1880 AC_SUBST(GUI_CFLAGS_X)
1881
1882 WIN32LDAPP=
1883 AC_SUBST(WIN32LIBS)
1884 AC_SUBST(WIN32LDAPP)
1885
1886 case "${host}" in
1887 *-*-cygwin* | *-*-mingw* )
1888 configdir="win"
1889 ;;
1890 *)
1891 configdir="unix"
1892 ;;
1893 esac
1894
1895 GDBTKLIBS=
1896 if test "${enable_gdbtk}" = "yes"; then
1897
1898 # Gdbtk must have an absolute path to srcdir in order to run
1899 # properly when not installed.
1900 here=`pwd`
1901 cd ${srcdir}
1902 GDBTK_SRC_DIR=`pwd`
1903 cd $here
1904
1905 SC_PATH_TCLCONFIG
1906
1907 # If $no_tk is nonempty, then we can't do Tk, and there is no
1908 # point to doing Tcl.
1909 SC_PATH_TKCONFIG
1910
1911 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1912 SC_LOAD_TCLCONFIG
1913
1914 # Check for in-tree tcl
1915 here=`pwd`
1916 cd ${srcdir}/..
1917 topdir=`pwd`
1918 cd ${here}
1919
1920 intree="no"
1921 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1922 intree="yes"
1923 fi
1924
1925 # Find Tcl private headers
1926 if test x"${intree}" = xno; then
1927 CY_AC_TCL_PRIVATE_HEADERS
1928 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1929 TCL_LIBRARY="${TCL_LIB_SPEC}"
1930 TCL_DEPS=""
1931 else
1932 # If building tcl in the same src tree, private headers
1933 # are not needed, but we need to be sure to use the right
1934 # headers library
1935 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1936 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1937 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1938 fi
1939 AC_SUBST(TCL_INCLUDE)
1940 AC_SUBST(TCL_LIBRARY)
1941 AC_SUBST(TCL_DEPS)
1942
1943 SC_LOAD_TKCONFIG
1944
1945 # Check for in-tree Tk
1946 intree="no"
1947 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1948 intree="yes"
1949 fi
1950
1951 # Find Tk private headers
1952 if test x"${intree}" = xno; then
1953 CY_AC_TK_PRIVATE_HEADERS
1954 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1955 TK_LIBRARY=${TK_LIB_SPEC}
1956 TK_DEPS=""
1957 else
1958 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1959 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1960 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1961 fi
1962 AC_SUBST(TK_INCLUDE)
1963 AC_SUBST(TK_LIBRARY)
1964 AC_SUBST(TK_DEPS)
1965 AC_SUBST(TK_XINCLUDES)
1966
1967 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1968
1969 # Include some libraries that Tcl and Tk want.
1970 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1971 # Yes, the ordering seems wrong here. But it isn't.
1972 # TK_LIBS is the list of libraries that need to be linked
1973 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1974 # were in LIBS then any link tests after this point would
1975 # try to include things like `$(LIBGUI)', which wouldn't work.
1976 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1977
1978 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1979 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1980 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1981 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1982 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1983 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1984 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1985
1986 if test x"$gdb_cv_os_cygwin" = xyes; then
1987 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1988 WIN32LDAPP="-Wl,--subsystem,console"
1989 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1990 fi
1991
1992 AC_CONFIG_SUBDIRS(gdbtk)
1993 fi
1994 fi
1995
1996 AC_SUBST(X_CFLAGS)
1997 AC_SUBST(X_LDFLAGS)
1998 AC_SUBST(X_LIBS)
1999 AC_SUBST(GDBTKLIBS)
2000 AC_SUBST(GDBTK_CFLAGS)
2001 AC_SUBST(GDBTK_SRC_DIR)
2002
2003 AC_PATH_X
2004
2005 # Unlike the sim directory, whether a simulator is linked is controlled by
2006 # presence of a gdb_sim definition in the target configure.tgt entry.
2007 # This code just checks for a few cases where we'd like to ignore those
2008 # definitions, even when they're present in the '.mt' file. These cases
2009 # are when --disable-sim is specified, or if the simulator directory is
2010 # not part of the source tree.
2011 #
2012 AC_ARG_ENABLE(sim,
2013 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2014 [echo "enable_sim = $enable_sim";
2015 echo "enableval = ${enableval}";
2016 case "${enableval}" in
2017 yes) ignore_sim=false ;;
2018 no) ignore_sim=true ;;
2019 *) ignore_sim=false ;;
2020 esac],
2021 [ignore_sim=false])
2022
2023 if test ! -d "${srcdir}/../sim"; then
2024 ignore_sim=true
2025 fi
2026
2027 SIM=
2028 SIM_OBS=
2029 if test "${ignore_sim}" = "false"; then
2030 if test x"${gdb_sim}" != x ; then
2031 SIM="${gdb_sim}"
2032 SIM_OBS="remote-sim.o"
2033 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2034
2035 # Some tdep code should only be compiled in when the ppc sim is
2036 # built. PR sim/13418.
2037 case $target in
2038 powerpc*-*-*)
2039 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2040 ;;
2041 esac
2042 fi
2043 fi
2044 AC_SUBST(SIM)
2045 AC_SUBST(SIM_OBS)
2046
2047 AC_SUBST(ENABLE_CFLAGS)
2048 AC_SUBST(PROFILE_CFLAGS)
2049
2050 AC_SUBST(CONFIG_OBS)
2051 AC_SUBST(CONFIG_DEPS)
2052 AC_SUBST(CONFIG_SRCS)
2053 AC_SUBST(CONFIG_ALL)
2054 AC_SUBST(CONFIG_CLEAN)
2055 AC_SUBST(CONFIG_INSTALL)
2056 AC_SUBST(CONFIG_UNINSTALL)
2057
2058 # List of host floatformats.
2059 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2060 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2061 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2062
2063 # target_subdir is used by the testsuite to find the target libraries.
2064 target_subdir=
2065 if test "${host}" != "${target}"; then
2066 target_subdir="${target_alias}/"
2067 fi
2068 AC_SUBST(target_subdir)
2069
2070 # Import nat definitions.
2071 nat_makefile_frag=/dev/null
2072 if test "${gdb_native}" = "yes"; then
2073 . ${srcdir}/configure.nat
2074 nativefile=$NAT_FILE
2075 fi
2076
2077 AC_SUBST(NAT_FILE)
2078 AC_SUBST(NATDEPFILES)
2079 AC_SUBST(NAT_CDEPS)
2080 AC_SUBST(LOADLIBES)
2081 AC_SUBST(MH_CFLAGS)
2082 AC_SUBST(XM_CLIBS)
2083 AC_SUBST(NAT_GENERATED_FILES)
2084 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2085 AC_SUBST_FILE(nat_makefile_frag)
2086
2087 if test x"${gdb_osabi}" != x ; then
2088 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2089 [Define to the default OS ABI for this configuration.])
2090 fi
2091
2092 AC_ARG_ENABLE(gdbserver,
2093 AS_HELP_STRING([--enable-gdbserver],
2094 [automatically build gdbserver (yes/no/auto, default is auto)]),
2095 [case "${enableval}" in
2096 yes| no|auto) ;;
2097 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2098 esac],[enable_gdbserver=auto])
2099
2100 # We only build gdbserver automatically in a native configuration, and
2101 # only if the user did not explicitly disable its build.
2102 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2103 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2104 if test "x$build_gdbserver" = xyes; then
2105 AC_MSG_RESULT(yes)
2106 AC_CONFIG_SUBDIRS(gdbserver)
2107 gdbserver_build_enabled=yes
2108 else
2109 AC_MSG_RESULT(no)
2110 fi
2111 fi
2112
2113 # If the user explicitly request the gdbserver to be built, verify that
2114 # we were in fact able to enable it.
2115 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2116 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2117 fi
2118
2119 # Check for babeltrace and babeltrace-ctf
2120 AC_ARG_WITH(babeltrace,
2121 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2122 [], [with_babeltrace=auto])
2123 AC_MSG_CHECKING([whether to use babeltrace])
2124 AC_MSG_RESULT([$with_babeltrace])
2125
2126 if test "x$with_babeltrace" = "xno"; then
2127 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2128 else
2129 # Append -Werror to CFLAGS so that configure can catch the warning
2130 # "assignment from incompatible pointer type", which is related to
2131 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2132 # in GDB, while babeltrace 1.0.3 is broken.
2133 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2134 # safe to save and restore CFLAGS here.
2135 saved_CFLAGS=$CFLAGS
2136 CFLAGS="$CFLAGS -Werror"
2137 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2138 [#include <babeltrace/babeltrace.h>
2139 #include <babeltrace/ctf/events.h>
2140 #include <babeltrace/ctf/iterator.h>],
2141 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2142 struct bt_ctf_event *event = NULL;
2143 const struct bt_definition *scope;
2144
2145 pos->type = BT_SEEK_BEGIN;
2146 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2147 scope = bt_ctf_get_top_level_scope (event,
2148 BT_STREAM_EVENT_HEADER);
2149 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2150 ])
2151 CFLAGS=$saved_CFLAGS
2152
2153 if test "$HAVE_LIBBABELTRACE" != yes; then
2154 if test "$with_babeltrace" = yes; then
2155 AC_MSG_ERROR([babeltrace is missing or unusable])
2156 else
2157 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2158 fi
2159 fi
2160 fi
2161
2162 # Check for xxhash
2163 AC_ARG_WITH(xxhash,
2164 AC_HELP_STRING([--with-xxhash], [use libxxhash for hashing (faster) (auto/yes/no)]),
2165 [], [with_xxhash=auto])
2166
2167 if test "x$with_xxhash" != "xno"; then
2168 AC_LIB_HAVE_LINKFLAGS([xxhash], [],
2169 [#include <xxhash.h>],
2170 [XXH32("foo", 3, 0);
2171 ])
2172 if test "$HAVE_LIBXXHASH" != yes; then
2173 if test "$with_xxhash" = yes; then
2174 AC_MSG_ERROR([xxhash is missing or unusable])
2175 fi
2176 fi
2177 if test "x$with_xxhash" = "xauto"; then
2178 with_xxhash="$HAVE_LIBXXHASH"
2179 fi
2180 fi
2181
2182 AC_MSG_CHECKING([whether to use xxhash])
2183 AC_MSG_RESULT([$with_xxhash])
2184
2185 NM_H=
2186 rm -f nm.h
2187 if test "${nativefile}" != ""; then
2188 case "${nativefile}" in
2189 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2190 * ) GDB_NM_FILE="${nativefile}"
2191 esac
2192 AC_CONFIG_LINKS([nm.h:$GDB_NM_FILE], [echo > stamp-nmh],
2193 [GDB_NM_FILE=$GDB_NM_FILE])
2194 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2195 NM_H=nm.h
2196 fi
2197 AC_SUBST(GDB_NM_FILE)
2198 AC_SUBST(NM_H)
2199
2200 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2201 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2202 if test "x$USE_MAINTAINER_MODE" = xyes; then
2203 if test "${XSLTPROC}" = missing; then
2204 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2205 fi
2206 fi
2207 AC_SUBST(XSLTPROC)
2208
2209 dnl Check for exe extension set on certain hosts (e.g. Win32)
2210 AC_EXEEXT
2211
2212 dnl Detect the character set used by this host.
2213 dnl At the moment, we just assume it's UTF-8.
2214 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2215 [Define to be a string naming the default host character set.])
2216
2217 GDB_AC_SELFTEST([
2218 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS) gdbsupport/selftest.o selftest-arch.o"
2219 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS) gdbsupport/selftest.c selftest-arch.c"
2220 ])
2221
2222 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2223 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2224 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2225 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile])
2226
2227 AC_OUTPUT