1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2012 Free Software Foundation, Inc.
4 dnl This file is part of GDB.
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.
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.
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/>.
19 dnl Process this file with autoconf to produce a configure script.
23 AC_CONFIG_HEADER(config.h:config.in)
26 # Provide more thorough testing by -lmcheck.
27 # Set it to 'true' for development snapshots, 'false' for releases or
32 AC_USE_SYSTEM_EXTENSIONS
40 # Dependency checking.
42 ZW_PROG_COMPILER_DEPENDENCIES([CC])
44 # Check for the 'make' the user wants to use.
45 AC_CHECK_PROGS(MAKE, make)
47 case "`$MAKE --version 2>&1 | sed 1q`" in
52 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
55 # Configure gnulib. We need to build gnulib under some other
56 # directory not "gnulib", to avoid the problem of both GDB and
57 # GDBserver wanting to build it in the same directory, when building
59 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
61 dnl List of object files and targets accumulated by configure.
73 dnl Set up for gettext.
74 ZW_GNU_GETTEXT_SISTER_DIR
76 localedir='${datadir}/locale'
79 if test x"$USE_NLS" = xyes; then
80 CONFIG_ALL="$CONFIG_ALL all-po"
81 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
82 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
83 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
86 GNULIB=build-gnulib/import
88 # For Makefile dependencies.
90 if test x"$STDINT_H" != x; then
91 GNULIB_STDINT_H=$GNULIB/$STDINT_H
93 AC_SUBST(GNULIB_STDINT_H)
96 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
99 # We never need to detect it in this sub-configure.
100 # But preserve it for config.status --recheck.
102 [Parent configure detects if it is of sufficient version.])
103 AC_ARG_VAR(MAKEINFOFLAGS,
104 [Parameters for MAKEINFO.])
106 MAKEINFO_EXTRA_FLAGS=""
107 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
108 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
109 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
110 gdb_cv_have_makeinfo_click=yes
112 gdb_cv_have_makeinfo_click=no
114 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
115 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
117 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
119 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
120 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
123 # We can't pass paths as command line arguments.
124 # Mingw32 tries to be clever and will convert the paths for us.
125 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
126 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
127 # This breaks GDB's relocatable path conversions since paths passed in
128 # config.h would not get so translated, the path prefixes no longer match.
129 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
131 # GDB's datadir relocation
133 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
134 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
137 AC_ARG_WITH(relocated-sources,
138 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
139 [reloc_srcdir="${withval}"
140 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
141 [Relocated directory for source files. ])
144 AC_MSG_CHECKING([for default auto-load directory])
145 AC_ARG_WITH(auto-load-dir,
146 AS_HELP_STRING([--with-auto-load-dir=PATH],
147 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
148 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
149 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
150 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
151 [Directories from which to load auto-loaded scripts.])
152 AC_MSG_RESULT([$with_auto_load_dir])
154 AC_MSG_CHECKING([for default auto-load safe-path])
155 AC_ARG_WITH(auto-load-safe-path,
156 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
157 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
158 AS_HELP_STRING([--without-auto-load-safe-path],
159 [do not restrict auto-loaded files locations]),
160 [if test "$with_auto_load_safe_path" = "no"; then
161 with_auto_load_safe_path="/"
163 [with_auto_load_safe_path="$with_auto_load_dir"])
164 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
165 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
166 [Directories safe to hold auto-loaded files.])
167 AC_MSG_RESULT([$with_auto_load_safe_path])
169 AC_CONFIG_SUBDIRS(testsuite)
171 # Check whether to support alternative target configurations
172 AC_ARG_ENABLE(targets,
173 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
174 [case "${enableval}" in
175 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
177 no) enable_targets= ;;
178 *) enable_targets=$enableval ;;
181 # Check whether to enable 64-bit support on 32-bit hosts
182 AC_ARG_ENABLE(64-bit-bfd,
183 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
184 [case "${enableval}" in
187 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
188 esac],[want64=false])dnl
190 # Provide defaults for some variables set by the per-host and per-target
192 gdb_host_obs=posix-hdep.o
194 if test "${target}" = "${host}"; then
200 . $srcdir/configure.host
202 # Accumulate some settings from configure.tgt over all enabled targets
207 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
209 if test "$targ_alias" = "all"; then
212 # Canonicalize the secondary target names.
213 result=`$ac_config_sub $targ_alias 2>/dev/null`
214 if test -n "$result"; then
220 . ${srcdir}/configure.tgt
222 AS_IF([test -z "${gdb_target_obs}"],
223 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
225 # Target-specific object files
226 for i in ${gdb_target_obs}; do
227 case " $TARGET_OBS " in
230 TARGET_OBS="$TARGET_OBS ${i}"
235 # Check whether this target needs 64-bit CORE_ADDR
236 if test x${want64} = xfalse; then
237 . ${srcdir}/../bfd/config.bfd
242 if test x${all_targets} = xtrue; then
244 # We want all 64-bit targets if we either:
245 # - run on a 64-bit host or
246 # - already require 64-bit support for some other target or
247 # - the --enable-64-bit-bfd option was supplied
248 # Otherwise we only support all 32-bit targets.
250 # NOTE: This test must be in sync with the corresponding
253 if test x${want64} = xfalse; then
254 AC_CHECK_SIZEOF(long)
255 if test "x${ac_cv_sizeof_long}" = "x8"; then
259 if test x${want64} = xtrue; then
260 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
262 TARGET_OBS='$(ALL_TARGET_OBS)'
268 # For other settings, only the main target counts.
272 targ=$target; . ${srcdir}/configure.tgt
274 # Fetch the default architecture and default target vector from BFD.
275 targ=$target; . $srcdir/../bfd/config.bfd
277 # We only want the first architecture, so strip off the others if
278 # there is more than one.
279 targ_archs=`echo $targ_archs | sed 's/ .*//'`
281 if test "x$targ_archs" != x; then
282 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
283 [Define to BFD's default architecture. ])
285 if test "x$targ_defvec" != x; then
286 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
287 [Define to BFD's default target vector. ])
290 # The CLI cannot be disabled yet, but may be in the future.
293 AC_ARG_ENABLE(gdbcli,
294 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
299 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
301 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
304 if test x"$enable_gdbcli" = xyes; then
305 if test -d $srcdir/cli; then
306 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
307 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
308 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
309 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
315 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
320 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
323 if test x"$enable_gdbmi" = xyes; then
324 if test -d $srcdir/mi; then
325 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
326 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
327 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
328 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
334 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
339 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
340 esac],enable_tui=auto)
344 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
349 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
351 [if test -d $srcdir/gdbtk; then
356 # We unconditionally disable gdbtk tests on selected platforms.
359 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
363 # Libunwind support for ia64.
365 AC_ARG_WITH(libunwind-ia64,
366 AS_HELP_STRING([--with-libunwind-ia64],
367 [use libunwind frame unwinding for ia64 targets]),,
368 [with_libunwind_ia64=auto])
370 # Backward compatibility option.
371 if test "${with_libunwind+set}" = set; then
372 if test x"$with_libunwind_ia64" != xauto; then
374 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
376 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
377 with_libunwind_ia64="$with_libunwind"
380 case "$with_libunwind_ia64" in
384 AC_CHECK_HEADERS(libunwind-ia64.h)
385 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
389 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
393 if test x"$with_libunwind_ia64" = xyes; then
394 AC_CHECK_HEADERS(libunwind-ia64.h)
395 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
396 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
398 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
399 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
400 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
404 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
407 if test "$opt_curses" = "yes"; then
412 AC_ARG_ENABLE(profiling,
413 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
418 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
420 [enable_profiling=no])
422 AC_CHECK_FUNCS(monstartup _mcleanup)
423 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
428 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
429 if test $ac_cv_var__etext = yes; then
430 AC_DEFINE(HAVE__ETEXT, 1,
431 [Define to 1 if your system has the _etext variable. ])
433 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
438 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
439 if test $ac_cv_var_etext = yes; then
440 AC_DEFINE(HAVE_ETEXT, 1,
441 [Define to 1 if your system has the etext variable. ])
443 if test "$enable_profiling" = yes ; then
444 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
445 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
449 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
451 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
452 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
453 ac_cv_cc_supports_pg=no)])
455 if test $ac_cv_cc_supports_pg = no; then
456 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
462 ACX_PKGVERSION([GDB])
463 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
464 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
465 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
467 # --------------------- #
468 # Checks for programs. #
469 # --------------------- #
477 AC_CHECK_TOOL(AR, ar)
478 AC_CHECK_TOOL(DLLTOOL, dlltool)
479 AC_CHECK_TOOL(WINDRES, windres)
481 # Needed for GNU/Hurd.
482 AC_CHECK_TOOL(MIG, mig)
484 # ---------------------- #
485 # Checks for libraries. #
486 # ---------------------- #
488 # We might need to link with -lm; most simulators need it.
489 AC_CHECK_LIB(m, main)
491 # We need to link with -lw to get `wctype' on Solaris before Solaris
492 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
493 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
494 # is known to have this problem). Therefore we avoid libw if we can.
495 AC_CHECK_FUNC(wctype, [],
496 [AC_CHECK_LIB(w, wctype)])
498 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
499 AC_SEARCH_LIBS(gethostbyname, nsl)
501 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
502 AC_SEARCH_LIBS(socketpair, socket)
504 # Link in zlib if we can. This allows us to read compressed debug sections.
507 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
508 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
512 # GDB may fork/exec the iconv program to get the list of supported character
513 # sets. Allow the user to specify where to find it.
514 # There are several factors affecting the choice of option name:
515 # - There is already --with-libiconv-prefix but we can't use it, it specifies
516 # the build-time location of libiconv files.
517 # - The program we need to find is iconv, which comes with glibc. The user
518 # doesn't necessarily have libiconv installed. Therefore naming this
519 # --with-libiconv-foo feels wrong.
520 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
521 # defined to work on directories not files (though it really doesn't know
523 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
524 # with --with-libiconv-prefix.
525 # Putting these together is why the option name is --with-iconv-bin.
527 AC_ARG_WITH(iconv-bin,
528 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
529 [iconv_bin="${withval}"
530 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
531 [Path of directory of iconv program.])
532 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
535 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
536 # There is a very specific comment in /usr/include/curses.h explaining that
537 # termcap routines built into libcurses must not be used.
539 # The symptoms we observed so far is GDB unexpectedly changing
540 # the terminal settings when tgetent is called - this is particularly
541 # visible as the output is missing carriage returns, and so rapidly
542 # becomes very hard to read.
544 # The readline configure script has already decided that libtermcap
545 # was enough for its purposes, and so decided to build readline using
546 # libtermcap. Since the TUI mode requires curses, building GDB with
547 # TUI enabled results in both libraries to be used at the same time,
548 # which is not allowed. This basically means that GDB with TUI is
549 # broken on alpha-osf.
553 if test x"$enable_tui" = xyes; then
554 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
556 if test x"$enable_tui" = xauto; then
562 # For the TUI, we need enhanced curses functionality.
563 if test x"$enable_tui" != xno; then
568 if test x"$prefer_curses" = xyes; then
569 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
570 # curses library because the latter might not provide all the
571 # functionality we need. However, this leads to problems on systems
572 # where the linker searches /usr/local/lib, but the compiler doesn't
573 # search /usr/local/include, if ncurses is installed in /usr/local. A
574 # default installation of ncurses on alpha*-dec-osf* will lead to such
576 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
578 if test "$ac_cv_search_waddstr" != no; then
583 # Check whether we should enable the TUI, but only do so if we really
585 if test x"$enable_tui" != xno; then
586 if test -d $srcdir/tui; then
587 if test "$curses_found" != no; then
588 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
589 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
590 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
591 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
593 if test x"$enable_tui" = xyes; then
594 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
596 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
602 # Since GDB uses Readline, we need termcap functionality. In many
603 # cases this will be provided by the curses library, but some systems
604 # have a seperate termcap library, or no curses library at all.
608 if test -d $srcdir/libtermcap; then
609 LIBS="../libtermcap/libtermcap.a $LIBS"
610 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
613 ac_cv_search_tgetent="none required"
616 ac_cv_search_tgetent="none required"
617 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
621 # These are the libraries checked by Readline.
622 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
624 if test "$ac_cv_search_tgetent" = no; then
625 AC_MSG_ERROR([no termcap library found])
628 AC_ARG_WITH([system-readline],
629 [AS_HELP_STRING([--with-system-readline],
630 [use installed readline library])])
632 if test "$with_system_readline" = yes; then
636 READLINE_TEXI_INCFLAG=
638 READLINE='$(READLINE_DIR)/libreadline.a'
639 READLINE_DEPS='$(READLINE)'
640 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
641 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
644 AC_SUBST(READLINE_DEPS)
645 AC_SUBST(READLINE_CFLAGS)
646 AC_SUBST(READLINE_TEXI_INCFLAG)
648 # Provide a --enable-libmcheck/--disable-libmcheck set of options
649 # allowing a user to enable this option even when building releases,
650 # or to disable it when building a snapshot.
651 AC_ARG_ENABLE(libmcheck,
652 AS_HELP_STRING([--enable-libmcheck],
653 [Try building GDB with -lmcheck if available]),
654 [case "${enableval}" in
655 yes | y) ENABLE_LIBMCHECK="yes" ;;
656 no | n) ENABLE_LIBMCHECK="no" ;;
657 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libmcheck) ;;
660 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
661 # but turn it off for releases.
662 if test -z "${ENABLE_LIBMCHECK}" && $development; then
666 if test "$ENABLE_LIBMCHECK" = "yes" ; then
667 AC_CHECK_LIB(mcheck, main)
670 # Generate jit-reader.h
672 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
675 AC_CHECK_SIZEOF(unsigned long long)
676 AC_CHECK_SIZEOF(unsigned long)
677 AC_CHECK_SIZEOF(unsigned __int128)
679 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
680 TARGET_PTR="unsigned long"
681 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
682 TARGET_PTR="unsigned long long"
683 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
684 TARGET_PTR="unsigned __int128"
686 TARGET_PTR="unsigned long"
690 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
692 AC_SEARCH_LIBS(dlopen, dl)
694 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
695 [directory to load the JIT readers from],
699 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
700 [], [with_expat=auto])
701 AC_MSG_CHECKING([whether to use expat])
702 AC_MSG_RESULT([$with_expat])
704 if test "${with_expat}" = no; then
705 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
708 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
709 [XML_Parser p = XML_ParserCreate (0);])
710 if test "$HAVE_LIBEXPAT" != yes; then
711 if test "$with_expat" = yes; then
712 AC_MSG_ERROR([expat is missing or unusable])
714 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
718 LIBS="$LIBS $LIBEXPAT"
719 AC_CHECK_FUNCS(XML_StopParser)
724 dnl Utility to simplify finding libpython.
726 dnl $2 = the shell variable to assign the result to
727 dnl If libpython is found we store $version here.
728 dnl $3 = additional flags to add to CPPFLAGS
729 dnl $4 = additional flags to add to LIBS
731 AC_DEFUN([AC_TRY_LIBPYTHON],
734 define([have_libpython_var],$2)
737 AC_MSG_CHECKING([for ${version}])
738 save_CPPFLAGS=$CPPFLAGS
740 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
741 LIBS="$LIBS $new_LIBS"
742 found_usable_python=no
743 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
744 [[Py_Initialize ();]]),
745 [have_libpython_var=${version}
746 found_usable_python=yes
747 PYTHON_CPPFLAGS=$new_CPPFLAGS
748 PYTHON_LIBS=$new_LIBS])
749 CPPFLAGS=$save_CPPFLAGS
751 AC_MSG_RESULT([${found_usable_python}])
754 dnl There are several different values for --with-python:
756 dnl no - Don't include python support.
757 dnl yes - Include python support, error if it's missing.
758 dnl If we find python in $PATH, use it to fetch configure options,
759 dnl otherwise assume the compiler can find it with no help from us.
760 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
761 dnl auto - Same as "yes", but if python is missing from the system,
762 dnl fall back to "no".
763 dnl /path/to/python/exec-prefix -
764 dnl Use the python located in this directory.
765 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
766 dnl the compilation parameters. Otherwise use
767 dnl -I/path/to/python/exec-prefix/include,
768 dnl -L/path/to/python/exec-prefix/lib.
769 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
770 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
771 dnl but is deprecated.
772 dnl /path/to/python/executable -
773 dnl Run python-config.py with this version of python to fetch the
774 dnl compilation parameters.
775 dnl NOTE: This needn't be the real python executable.
776 dnl In a cross-compilation scenario (build != host), this could be
777 dnl a shell script that provides what python-config.py provides for
778 dnl --ldflags, --includes, --exec-prefix.
779 dnl python-executable -
780 dnl Find python-executable in $PATH, and then handle the same as
781 dnl /path/to/python/executable.
783 dnl If a python program is specified, it is used to run python-config.py and
784 dnl is passed --ldflags, --includes, --exec-prefix.
787 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
788 [], [with_python=auto])
789 AC_MSG_CHECKING([whether to use python])
790 AC_MSG_RESULT([$with_python])
792 if test "${with_python}" = no; then
793 AC_MSG_WARN([python support disabled; some features may be unavailable.])
796 case "${with_python}" in
797 [[\\/]]* | ?:[[\\/]]*)
798 if test -d ${with_python}; then
799 # Assume the python binary is ${with_python}/bin/python.
800 python_prog="${with_python}/bin/python"
802 # If python does not exit ${with_python}/bin, then try in
803 # ${with_python}. On Windows/MinGW, this is where the Python
805 if test ! -x "${python_prog}"; then
806 python_prog="${with_python}/python"
809 if test ! -x "${python_prog}"; then
810 # Fall back to gdb 7.0/7.1 behaviour.
812 python_prefix=${with_python}
814 elif test -x "${with_python}"; then
815 # While we can't run python compiled for $host (unless host == build),
816 # the user could write a script that provides the needed information,
817 # so we support that.
818 python_prog=${with_python}
821 AC_ERROR(invalid value for --with-python)
825 # Disallow --with-python=foo/bar.
826 AC_ERROR(invalid value for --with-python)
829 # The user has either specified auto, yes, or the name of the python
830 # program assumed to be in $PATH.
832 case "${with_python}" in
834 if test ${build} = ${host}; then
835 AC_PATH_PROG(python_prog_path, python, missing)
836 if test "${python_prog_path}" = missing; then
839 python_prog=${python_prog_path}
842 # Not much we can do except assume the cross-compiler will find the
848 # While we can't run python compiled for $host (unless host == build),
849 # the user could write a script that provides the needed information,
850 # so we support that.
851 python_prog="${with_python}"
852 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
853 if test "${python_prog_path}" = missing; then
854 AC_ERROR(unable to find python program ${python_prog})
860 if test "${python_prog}" != missing; then
861 # We have a python program to use, but it may be too old.
862 # Don't flag an error for --with-python=auto (the default).
863 have_python_config=yes
864 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
865 if test $? != 0; then
866 have_python_config=failed
867 if test "${with_python}" != auto; then
868 AC_ERROR(failure running python-config --includes)
871 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
872 if test $? != 0; then
873 have_python_config=failed
874 if test "${with_python}" != auto; then
875 AC_ERROR(failure running python-config --ldflags)
878 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
879 if test $? != 0; then
880 have_python_config=failed
881 if test "${with_python}" != auto; then
882 AC_ERROR(failure running python-config --exec-prefix)
886 # We do not have a python executable we can use to determine where
887 # to find the Python headers and libs. We cannot guess the include
888 # path from the python_prefix either, because that include path
889 # depends on the Python version. So, there is nothing much we can
890 # do except assume that the compiler will be able to find those files.
893 have_python_config=no
896 # If we have python-config, only try the configuration it provides.
897 # Otherwise fallback on the old way of trying different versions of
901 if test "${have_python_config}" = yes; then
902 # Determine the Python version by extracting "-lpython<version>"
903 # part of the python_libs. <version> is usually X.Y with X and Y
904 # being decimal numbers, but can also be XY (seen on Windows).
906 # The extraction is performed using sed with a regular expression.
907 # Initially, the regexp used was using the '?' quantifier to make
908 # the dot in the version number optional. Unfortunately, this
909 # does not work with non-GNU versions of sed because, because of
910 # what looks like a limitation (the '?' quantifier does not work
911 # with back-references). We work around this limitation by using
912 # the '*' quantifier instead. It means that, in theory, we might
913 # match unexpected version strings such as "-lpython2..7", but
914 # this seems unlikely in practice. And even if that happens,
915 # an error will be triggered later on, when checking that version
917 python_version=`echo " ${python_libs} " \
918 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
919 case "${python_version}" in
921 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
922 ${python_includes}, ${python_libs})
925 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
928 elif test "${have_python_config}" != failed; then
929 if test "${have_libpython}" = no; then
930 AC_TRY_LIBPYTHON(python2.7, have_libpython,
931 ${python_includes}, "${python_libs} -lpython2.7")
933 if test "${have_libpython}" = no; then
934 AC_TRY_LIBPYTHON(python2.6, have_libpython,
935 ${python_includes}, "${python_libs} -lpython2.6")
937 if test ${have_libpython} = no; then
938 AC_TRY_LIBPYTHON(python2.5, have_libpython,
939 ${python_includes}, "${python_libs} -lpython2.5")
941 if test ${have_libpython} = no; then
942 AC_TRY_LIBPYTHON(python2.4, have_libpython,
943 ${python_includes}, "${python_libs} -lpython2.4")
946 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
947 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
948 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
949 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
950 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
951 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
952 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
953 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
956 if test "${have_libpython}" = no; then
957 case "${with_python}" in
959 AC_MSG_ERROR([python is missing or unusable])
962 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
965 AC_MSG_ERROR([no usable python found at ${with_python}])
969 if test -n "${python_prefix}"; then
970 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
971 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
972 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
977 if test "${have_libpython}" != no; then
978 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
979 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
980 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
981 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
982 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
983 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
985 # Flags needed to compile Python code (taken from python-config --cflags).
986 # We cannot call python-config directly because it will output whatever was
987 # used when compiling the Python interpreter itself, including flags which
988 # would make the python-related objects be compiled differently from the
989 # rest of GDB (e.g., -O2 and -fPIC).
990 if test "${GCC}" = yes; then
991 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
994 if test "x${tentative_python_cflags}" != x; then
995 AC_MSG_CHECKING(compiler flags for python code)
996 for flag in ${tentative_python_cflags}; do
997 # Check that the compiler accepts it
998 saved_CFLAGS="$CFLAGS"
999 CFLAGS="$CFLAGS $flag"
1000 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
1001 CFLAGS="$saved_CFLAGS"
1003 AC_MSG_RESULT(${PYTHON_CFLAGS})
1006 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
1008 # #define siginfo __siginfo
1010 # The problem is that including Python causes some XOPEN macros to be
1011 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
1012 # to false. So, we work around this issue by defining siginfo ourself
1013 # though the command-line.
1015 irix*) if test "${GCC}" = yes; then
1016 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
1021 # Even if Python support is not compiled in, we need to have these files
1023 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
1024 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
1025 python/py-prettyprint.c python/py-auto-load.c"
1027 AC_SUBST(PYTHON_CFLAGS)
1028 AC_SUBST(PYTHON_CPPFLAGS)
1029 AC_SUBST(PYTHON_LIBS)
1031 # ------------------------- #
1032 # Checks for header files. #
1033 # ------------------------- #
1038 # elf_hp.h is for HP/UX 64-bit shared library support.
1039 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
1040 # unconditionally, so what's the point in checking these?
1041 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1042 thread_db.h signal.h stddef.h \
1043 stdlib.h string.h memory.h strings.h sys/fault.h \
1044 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1045 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1046 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1047 sys/types.h sys/wait.h wait.h termios.h termio.h \
1048 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
1049 dlfcn.h sys/socket.h sys/un.h])
1050 AC_CHECK_HEADERS(link.h, [], [],
1051 [#if HAVE_SYS_TYPES_H
1052 # include <sys/types.h>
1058 AC_CHECK_HEADERS(sys/proc.h, [], [],
1059 [#if HAVE_SYS_PARAM_H
1060 # include <sys/param.h>
1063 AC_CHECK_HEADERS(sys/user.h, [], [],
1064 [#if HAVE_SYS_PARAM_H
1065 # include <sys/param.h>
1069 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1070 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1071 # think that we don't have <curses.h> if we're using GCC.
1074 if test "$GCC" = yes; then
1075 AC_DEFINE(_MSE_INT_H, 1,
1076 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1077 Solaris 2.[789] when using GCC. ])
1080 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1081 AC_CHECK_HEADERS(term.h, [], [],
1083 # include <curses.h>
1087 # ------------------------- #
1088 # Checks for declarations. #
1089 # ------------------------- #
1091 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1092 snprintf, vsnprintf])
1095 # ----------------------- #
1096 # Checks for structures. #
1097 # ----------------------- #
1099 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1101 # ------------------ #
1102 # Checks for types. #
1103 # ------------------ #
1106 AC_CHECK_TYPES(socklen_t, [], [],
1107 [#include <sys/types.h>
1108 #include <sys/socket.h>
1111 # ------------------------------------- #
1112 # Checks for compiler characteristics. #
1113 # ------------------------------------- #
1119 # ------------------------------ #
1120 # Checks for library functions. #
1121 # ------------------------------ #
1126 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1127 pipe poll pread pread64 pwrite readlink resize_term \
1128 sbrk setpgid setpgrp setsid \
1129 sigaction sigprocmask sigsetmask socketpair syscall \
1130 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1131 setrlimit getrlimit posix_madvise waitpid lstat])
1134 # Check the return and argument types of ptrace. No canned test for
1135 # this, so roll our own.
1136 gdb_ptrace_headers='
1137 #if HAVE_SYS_TYPES_H
1138 # include <sys/types.h>
1140 #if HAVE_SYS_PTRACE_H
1141 # include <sys/ptrace.h>
1144 # include <unistd.h>
1147 # There is no point in checking if we don't have a prototype.
1148 AC_CHECK_DECLS(ptrace, [], [
1149 : ${gdb_cv_func_ptrace_ret='int'}
1150 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1151 ], $gdb_ptrace_headers)
1152 # Check return type. Varargs (used on GNU/Linux) conflict with the
1153 # empty argument list, so check for that explicitly.
1154 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1155 AC_TRY_COMPILE($gdb_ptrace_headers,
1156 [extern long ptrace (enum __ptrace_request, ...);],
1157 gdb_cv_func_ptrace_ret='long',
1158 AC_TRY_COMPILE($gdb_ptrace_headers,
1159 [extern int ptrace ();],
1160 gdb_cv_func_ptrace_ret='int',
1161 gdb_cv_func_ptrace_ret='long')))
1162 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1163 [Define as the return type of ptrace.])
1164 # Check argument types.
1165 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1166 AC_TRY_COMPILE($gdb_ptrace_headers,
1167 [extern long ptrace (enum __ptrace_request, ...);],
1168 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1169 for gdb_arg1 in 'int' 'long'; do
1170 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1171 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1172 for gdb_arg4 in 'int' 'long'; do
1173 AC_TRY_COMPILE($gdb_ptrace_headers, [
1174 extern $gdb_cv_func_ptrace_ret
1175 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1176 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1178 for gdb_arg5 in 'int *' 'int' 'long'; do
1179 AC_TRY_COMPILE($gdb_ptrace_headers, [
1180 extern $gdb_cv_func_ptrace_ret
1181 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1183 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1190 # Provide a safe default value.
1191 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1193 ac_save_IFS=$IFS; IFS=','
1194 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1197 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1198 [Define to the type of arg 3 for ptrace.])
1199 if test -n "$[5]"; then
1200 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1201 [Define to the type of arg 5 for ptrace.])
1204 dnl AC_FUNC_SETPGRP does not work when cross compiling
1205 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1206 if test "$cross_compiling" = no; then
1209 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1213 if (setpgrp(1,1) == -1)
1217 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1218 if test $ac_cv_func_setpgrp_void = yes; then
1219 AC_DEFINE(SETPGRP_VOID, 1)
1223 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1224 # since sigsetjmp might only be defined as a macro.
1225 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1228 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1229 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1230 if test $gdb_cv_func_sigsetjmp = yes; then
1231 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1234 # Assume we'll default to using the included libiberty regex.
1235 gdb_use_included_regex=yes
1237 # However, if the system regex is GNU regex, then default to *not*
1238 # using the included regex.
1241 [gdb_cv_have_gnu_regex],
1243 [#include <gnu-versions.h>],
1244 [#define REGEX_INTERFACE_VERSION 1
1245 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1246 # error "Version mismatch"
1248 gdb_cv_have_gnu_regex=yes,
1249 gdb_cv_have_gnu_regex=no)])
1250 if test $gdb_cv_have_gnu_regex = yes; then
1251 gdb_use_included_regex=no
1254 AC_ARG_WITH(included-regex,
1255 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1256 gdb_with_regex=$withval,
1257 gdb_with_regex=$gdb_use_included_regex)
1258 if test "$gdb_with_regex" = yes; then
1259 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1260 [Define to 1 if the regex included in libiberty should be used.])
1263 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1264 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1265 [#include <sys/param.h>
1266 #include <sys/proc.h>
1269 # See if <sys/lwp.h> defines `struct lwp`.
1270 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1271 [AC_TRY_COMPILE([#include <sys/param.h>
1272 #include <sys/lwp.h>], [struct lwp l;],
1273 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1274 if test $gdb_cv_struct_lwp = yes; then
1275 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1276 [Define to 1 if your system has struct lwp.])
1279 # See if <machine/reg.h> degines `struct reg'.
1280 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1281 [AC_TRY_COMPILE([#include <sys/types.h>
1282 #include <machine/reg.h>], [struct reg r;],
1283 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1284 if test $gdb_cv_struct_reg = yes; then
1285 AC_DEFINE(HAVE_STRUCT_REG, 1,
1286 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1289 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1290 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1291 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1292 [#include <machine/reg.h>])
1294 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1295 # Older amd64 Linux's don't have the fs_base and gs_base members of
1296 # `struct user_regs_struct'.
1297 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1298 [], [], [#include <sys/user.h>])
1300 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1301 AC_MSG_CHECKING(for PTRACE_GETREGS)
1302 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1303 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1305 [gdb_cv_have_ptrace_getregs=yes],
1306 [gdb_cv_have_ptrace_getregs=no])])
1307 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1308 if test $gdb_cv_have_ptrace_getregs = yes; then
1309 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1310 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1313 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1314 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1315 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1316 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1317 [PTRACE_GETFPXREGS;],
1318 [gdb_cv_have_ptrace_getfpxregs=yes],
1319 [gdb_cv_have_ptrace_getfpxregs=no])])
1320 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1321 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1322 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1323 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1326 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1327 AC_MSG_CHECKING(for PT_GETDBREGS)
1328 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1329 [AC_TRY_COMPILE([#include <sys/types.h>
1330 #include <sys/ptrace.h>],
1332 [gdb_cv_have_pt_getdbregs=yes],
1333 [gdb_cv_have_pt_getdbregs=no])])
1334 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1335 if test $gdb_cv_have_pt_getdbregs = yes; then
1336 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1337 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1340 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1341 AC_MSG_CHECKING(for PT_GETXMMREGS)
1342 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1343 [AC_TRY_COMPILE([#include <sys/types.h>
1344 #include <sys/ptrace.h>],
1346 [gdb_cv_have_pt_getxmmregs=yes],
1347 [gdb_cv_have_pt_getxmmregs=no])])
1348 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1349 if test $gdb_cv_have_pt_getxmmregs = yes; then
1350 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1351 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1354 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1356 if test "${target}" = "${host}"; then
1358 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1359 AC_DEFINE(NEW_PROC_API, 1,
1360 [Define if you want to use new multi-fd /proc interface
1361 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1363 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1364 AC_DEFINE(NEW_PROC_API, 1,
1365 [Define if you want to use new multi-fd /proc interface
1366 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1369 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1370 AC_DEFINE([_KMEMUSER], 1,
1371 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1372 around a <sys/proc.h> problem on IRIX 5.])
1377 if test "$ac_cv_header_sys_procfs_h" = yes; then
1378 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1379 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1380 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1381 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1382 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1383 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1384 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1385 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1386 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1387 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1388 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1389 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1390 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1391 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1394 dnl Check for broken prfpregset_t type
1396 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1397 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1398 dnl instead of the struct itself). We detect this here, and work
1399 dnl around it in gdb_proc_service.h.
1401 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1402 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1403 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1404 [AC_TRY_RUN([#include <sys/procfs.h>
1407 if (sizeof (prfpregset_t) == sizeof (void *))
1411 gdb_cv_prfpregset_t_broken=no,
1412 gdb_cv_prfpregset_t_broken=yes,
1413 gdb_cv_prfpregset_t_broken=yes)])
1414 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1415 if test $gdb_cv_prfpregset_t_broken = yes; then
1416 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1417 [Define if the prfpregset_t type is broken.])
1421 dnl Check for PIOCSET ioctl entry
1423 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1424 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1425 [AC_TRY_COMPILE([#include <unistd.h>
1426 #include <sys/types.h>
1427 #include <sys/procfs.h>
1430 dummy = ioctl(0, PIOCSET, &dummy);
1432 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1433 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1434 if test $gdb_cv_have_procfs_piocset = yes; then
1435 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1436 [Define if ioctl argument PIOCSET is available.])
1440 dnl For native ports (host == target), check to see what kind of
1441 dnl legacy link.h support is needed. (See solib-legacy.c.)
1442 if test ${host} = ${target} ; then
1443 dnl Check for struct link_map with l_ members which are indicative
1444 dnl of SVR4-like shared libraries
1446 AC_MSG_CHECKING(for member l_addr in struct link_map)
1447 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1448 [AC_TRY_COMPILE([#include <link.h>],
1449 [struct link_map lm; (void) lm.l_addr;],
1450 gdb_cv_have_struct_link_map_with_l_members=yes,
1451 gdb_cv_have_struct_link_map_with_l_members=no)])
1452 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1453 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1454 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1455 [Define if <link.h> exists and defines struct link_map which has
1456 members with an ``l_'' prefix. (For Solaris, SVR4, and
1457 SVR4-like systems.)])
1460 dnl Check for struct link_map with lm_ members which are indicative
1461 dnl of SunOS-like shared libraries
1463 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1464 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1465 [AC_TRY_COMPILE([#include <sys/types.h>
1467 [struct link_map lm; (void) lm.lm_addr;],
1468 gdb_cv_have_struct_link_map_with_lm_members=yes,
1469 gdb_cv_have_struct_link_map_with_lm_members=no)])
1470 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1471 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1472 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1473 [Define if <link.h> exists and defines struct link_map which has
1474 members with an ``lm_'' prefix. (For SunOS.)])
1477 dnl Check for struct so_map with som_ members which are found on
1478 dnl some *BSD systems.
1480 AC_MSG_CHECKING(for member som_addr in struct so_map)
1481 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1482 [AC_TRY_COMPILE([#include <sys/types.h>
1487 [struct so_map lm; (void) lm.som_addr;],
1488 gdb_cv_have_struct_so_map_with_som_members=yes,
1489 gdb_cv_have_struct_so_map_with_som_members=no)])
1490 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1491 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1492 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1493 [Define if <link.h> exists and defines a struct so_map which has
1494 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1497 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1498 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1500 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1501 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1502 [AC_TRY_COMPILE([#define _SYSCALL32
1503 #include <sys/link.h>], [struct link_map32 l;],
1504 gdb_cv_have_struct_link_map32=yes,
1505 gdb_cv_have_struct_link_map32=no)])
1506 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1507 if test $gdb_cv_have_struct_link_map32 = yes; then
1508 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1509 [Define if <sys/link.h> has struct link_map32])
1510 AC_DEFINE(_SYSCALL32, 1,
1511 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1515 # Check if the compiler supports the `long long' type.
1517 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1518 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1519 [[extern long long foo;]],
1520 [[switch (foo & 2) { case 0: return 1; }]])],
1521 gdb_cv_c_long_long=yes,
1522 gdb_cv_c_long_long=no)])
1523 if test $gdb_cv_c_long_long = yes; then
1524 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1525 [Define to 1 if the compiler supports long long.])
1528 # Check if the compiler and runtime support printing long longs.
1530 AC_CACHE_CHECK([for long long support in printf],
1531 gdb_cv_printf_has_long_long,
1532 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1535 l = (l << 16) + 0x0123;
1536 l = (l << 16) + 0x4567;
1537 l = (l << 16) + 0x89ab;
1538 l = (l << 16) + 0xcdef;
1539 sprintf (buf, "0x%016llx", l);
1540 return (strcmp ("0x0123456789abcdef", buf));]])],
1541 gdb_cv_printf_has_long_long=yes,
1542 gdb_cv_printf_has_long_long=no,
1543 gdb_cv_printf_has_long_long=no)])
1544 if test $gdb_cv_printf_has_long_long = yes; then
1545 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1546 [Define to 1 if the "%ll" format works to print long longs.])
1549 # Check if the compiler and runtime support printing decfloats.
1551 AC_CACHE_CHECK([for decfloat support in printf],
1552 gdb_cv_printf_has_decfloat,
1553 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1555 _Decimal32 d32 = 1.2345df;
1556 _Decimal64 d64 = 1.2345dd;
1557 _Decimal128 d128 = 1.2345dl;
1558 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1559 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1560 gdb_cv_printf_has_decfloat=yes,
1561 gdb_cv_printf_has_decfloat=no,
1562 gdb_cv_printf_has_decfloat=no)])
1563 if test $gdb_cv_printf_has_decfloat = yes; then
1564 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1565 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1568 # Check if the compiler supports the `long double' type. We can't use
1569 # AC_C_LONG_DOUBLE because that one does additional checks on the
1570 # constants defined in <float.h> that fail on some systems,
1571 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1573 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1574 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1575 gdb_cv_c_long_double=yes,
1576 gdb_cv_c_long_double=no)])
1577 if test $gdb_cv_c_long_double = yes; then
1578 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1579 [Define to 1 if the compiler supports long double.])
1582 # Check if the compiler and runtime support printing long doubles.
1584 AC_CACHE_CHECK([for long double support in printf],
1585 gdb_cv_printf_has_long_double,
1586 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1588 long double f = 3.141592653;
1589 sprintf (buf, "%Lg", f);
1590 return (strncmp ("3.14159", buf, 7));]])],
1591 gdb_cv_printf_has_long_double=yes,
1592 gdb_cv_printf_has_long_double=no,
1593 gdb_cv_printf_has_long_double=no)])
1594 if test $gdb_cv_printf_has_long_double = yes; then
1595 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1596 [Define to 1 if the "%Lg" format works to print long doubles.])
1599 # Check if the compiler and runtime support scanning long doubles.
1601 AC_CACHE_CHECK([for long double support in scanf],
1602 gdb_cv_scanf_has_long_double,
1603 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1604 [[#include <stdio.h>]],
1605 [[char *buf = "3.141592653";
1607 sscanf (buf, "%Lg", &f);
1608 return !(f > 3.14159 && f < 3.14160);]])],
1609 gdb_cv_scanf_has_long_double=yes,
1610 gdb_cv_scanf_has_long_double=no,
1611 gdb_cv_scanf_has_long_double=no)])
1612 if test $gdb_cv_scanf_has_long_double = yes; then
1613 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1614 [Define to 1 if the "%Lg" format works to scan long doubles.])
1619 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1620 SAVE_LDFLAGS=$LDFLAGS
1623 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1624 *) gdb_cv_bigtoc=-bbigtoc ;;
1627 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1628 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1629 LDFLAGS="${SAVE_LDFLAGS}"
1631 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1635 AC_MSG_CHECKING(for the dynamic export flag)
1637 if test "${gdb_native}" = yes; then
1638 # The dynamically loaded libthread_db needs access to symbols in the gdb
1639 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1640 # may not be supported there.
1641 old_LDFLAGS="$LDFLAGS"
1642 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1643 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1644 LDFLAGS="$LDFLAGS $RDYNAMIC"
1645 if test "${have_libpython}" = no; then
1646 AC_TRY_LINK([], [], [dynamic_list=true])
1648 # Workaround http://bugs.python.org/issue4434 where static
1649 # libpythonX.Y.a would get its symbols required for
1650 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1651 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1652 old_CFLAGS="$CFLAGS"
1653 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1656 [#include "]${have_libpython}[/Python.h"],
1659 err = PyRun_SimpleString ("import itertools\n");
1661 return err == 0 ? 0 : 1;]),
1662 [dynamic_list=true], [], [true])
1663 CFLAGS="$old_CFLAGS"
1665 LDFLAGS="$old_LDFLAGS"
1667 if $dynamic_list; then
1668 found="-Wl,--dynamic-list"
1669 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1672 RDYNAMIC="-rdynamic"
1675 AC_MSG_RESULT($found)
1677 dnl For certain native configurations, we need to check whether thread
1678 dnl support can be built in or not.
1680 dnl Note that we only want this if we are both native (host == target),
1681 dnl and not doing a canadian cross build (build == host).
1683 if test ${build} = ${host} -a ${host} = ${target} ; then
1686 # See if thread_db library is around for Solaris thread debugging.
1687 # Note that we must explicitly test for version 1 of the library
1688 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1690 AC_MSG_CHECKING(for Solaris thread debugging library)
1691 if test -f /usr/lib/libthread_db.so.1 ; then
1693 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1694 [Define if using Solaris thread debugging.])
1695 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1696 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1697 AC_CHECK_LIB(dl, dlopen)
1698 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1699 # Sun randomly tweaked the prototypes in <proc_service.h>
1701 AC_MSG_CHECKING(if <proc_service.h> is old)
1702 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1704 #include <proc_service.h>
1706 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1707 ],, gdb_cv_proc_service_is_old=no,
1708 gdb_cv_proc_service_is_old=yes)
1710 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1711 if test $gdb_cv_proc_service_is_old = yes; then
1712 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1713 [Define if <proc_service.h> on solaris uses int instead of
1714 size_t, and assorted other type changes.])
1721 AC_MSG_CHECKING(for AiX thread debugging library)
1722 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1723 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1724 [#ifndef PTHDB_VERSION_3
1727 gdb_cv_have_aix_thread_debug=yes,
1728 gdb_cv_have_aix_thread_debug=no)])
1729 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1730 if test $gdb_cv_have_aix_thread_debug = yes; then
1731 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1732 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1733 LIBS="$LIBS -lpthdebug"
1735 # Older versions of AIX do not provide the declaration for
1736 # the getthrds function (it appears that it was introduced
1738 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1742 AC_SUBST(CONFIG_LDFLAGS)
1745 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1746 dnl other error codes.
1747 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1748 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1749 gdb_cv_thread_db_h_has_td_notalloc,
1751 [#include <thread_db.h>],
1752 [int i = TD_NOTALLOC;],
1753 gdb_cv_thread_db_h_has_td_notalloc=yes,
1754 gdb_cv_thread_db_h_has_td_notalloc=no
1757 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1758 gdb_cv_thread_db_h_has_td_version,
1760 [#include <thread_db.h>],
1761 [int i = TD_VERSION;],
1762 gdb_cv_thread_db_h_has_td_version=yes,
1763 gdb_cv_thread_db_h_has_td_version=no
1766 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1767 gdb_cv_thread_db_h_has_td_notls,
1769 [#include <thread_db.h>],
1770 [int i = TD_NOTLS;],
1771 gdb_cv_thread_db_h_has_td_notls=yes,
1772 gdb_cv_thread_db_h_has_td_notls=no
1776 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1777 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1778 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1780 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1781 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1782 [Define if <thread_db.h> has the TD_VERSION error code.])
1784 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1785 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1786 [Define if <thread_db.h> has the TD_NOTLS error code.])
1789 dnl See if we have a sys/syscall header file that has __NR_tkill.
1790 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1791 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1792 gdb_cv_sys_syscall_h_has_tkill,
1794 [#include <sys/syscall.h>],
1795 [int i = __NR_tkill;],
1796 gdb_cv_sys_syscall_h_has_tkill=yes,
1797 gdb_cv_sys_syscall_h_has_tkill=no
1801 dnl See if we can issue tkill syscall.
1802 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1803 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1806 dnl Check if we can disable the virtual address space randomization.
1807 dnl The functionality of setarch -R.
1808 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1809 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1810 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1811 # define ADDR_NO_RANDOMIZE 0x0040000
1813 /* Test the flag could be set and stays set. */
1814 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1815 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1817 AC_RUN_IFELSE([PERSONALITY_TEST],
1818 [have_personality=true],
1819 [have_personality=false],
1820 [AC_LINK_IFELSE([PERSONALITY_TEST],
1821 [have_personality=true],
1822 [have_personality=false])])
1823 if $have_personality
1825 AC_DEFINE([HAVE_PERSONALITY], 1,
1826 [Define if you support the personality syscall.])
1829 dnl Handle optional features that can be enabled.
1831 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1832 # except that the argument to --with-sysroot is optional.
1833 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1834 if test "x$with_sysroot" = xyes; then
1835 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1837 AC_ARG_WITH(sysroot,
1838 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1839 [search for usr/lib et al within DIR]),
1840 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1841 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1842 [search for usr/lib et al within DIR])
1843 AC_SUBST(TARGET_SYSTEM_ROOT)
1844 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1846 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1847 [automatically load a system-wide gdbinit file],
1850 AC_ARG_ENABLE(werror,
1851 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1852 [case "${enableval}" in
1853 yes | y) ERROR_ON_WARNING="yes" ;;
1854 no | n) ERROR_ON_WARNING="no" ;;
1855 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1858 # Enable -Werror by default when using gcc. Turn it off for releases.
1859 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
1860 ERROR_ON_WARNING=yes
1864 if test "${ERROR_ON_WARNING}" = yes ; then
1865 WERROR_CFLAGS="-Werror"
1868 # The entries after -Wno-pointer-sign are disabled warnings which may
1869 # be enabled in the future, which can not currently be used to build
1871 # NOTE: If you change this list, remember to update
1872 # gdb/doc/gdbint.texinfo.
1873 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1874 -Wformat-nonliteral -Wno-pointer-sign \
1875 -Wno-unused -Wunused-value -Wunused-function \
1876 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
1877 -Wdeclaration-after-statement"
1879 # Enable -Wno-format by default when using gcc on mingw since many
1880 # GCC versions complain about %I64.
1882 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1885 AC_ARG_ENABLE(build-warnings,
1886 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1887 [case "${enableval}" in
1889 no) build_warnings="-w";;
1890 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1891 build_warnings="${build_warnings} ${t}";;
1892 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1893 build_warnings="${t} ${build_warnings}";;
1894 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1896 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1897 echo "Setting compiler warning flags = $build_warnings" 6>&1
1899 AC_ARG_ENABLE(gdb-build-warnings,
1900 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1901 [case "${enableval}" in
1903 no) build_warnings="-w";;
1904 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1905 build_warnings="${build_warnings} ${t}";;
1906 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1907 build_warnings="${t} ${build_warnings}";;
1908 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1910 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1911 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1914 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1916 AC_MSG_CHECKING(compiler warning flags)
1917 # Separate out the -Werror flag as some files just cannot be
1918 # compiled with it enabled.
1919 for w in ${build_warnings}; do
1921 -Werr*) WERROR_CFLAGS=-Werror ;;
1922 *) # Check that GCC accepts it
1923 saved_CFLAGS="$CFLAGS"
1925 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1926 CFLAGS="$saved_CFLAGS"
1929 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1931 AC_SUBST(WARN_CFLAGS)
1932 AC_SUBST(WERROR_CFLAGS)
1934 # In the Cygwin environment, we need some additional flags.
1935 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1936 [AC_EGREP_CPP(lose, [
1937 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1939 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1942 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1943 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1945 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1946 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1947 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1949 AC_SUBST(SER_HARDWIRE)
1951 # libreadline needs libuser32.a in a cygwin environment
1953 if test x$gdb_cv_os_cygwin = xyes; then
1954 WIN32LIBS="-luser32"
1956 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1961 # The ser-tcp.c module requires sockets.
1964 AC_DEFINE(USE_WIN32API, 1,
1965 [Define if we should use the Windows API, instead of the
1966 POSIX API. On Windows, we use the Windows API when
1967 building for MinGW, but the POSIX API when building
1969 WIN32LIBS="$WIN32LIBS -lws2_32"
1974 # Add ELF support to GDB, but only if BFD includes ELF support.
1976 OLD_LDFLAGS=$LDFLAGS
1978 # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
1979 # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
1980 # always want our bfd.
1981 CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
1982 LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
1983 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1984 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1985 if test "$plugins" = "yes"; then
1988 LIBS="-lbfd -liberty $intl $LIBS"
1989 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1991 [#include <stdlib.h>
1993 #include "elf-bfd.h"
1995 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1996 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1997 if test $gdb_cv_var_elf = yes; then
1998 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
1999 AC_DEFINE(HAVE_ELF, 1,
2000 [Define if ELF support should be included.])
2001 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
2002 if test "$plugins" = "yes"; then
2003 OLD_LIBS="-ldl $OLD_LIBS"
2007 LDFLAGS=$OLD_LDFLAGS
2010 # Add any host-specific objects to GDB.
2011 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
2013 LIBGUI="../libgui/src/libgui.a"
2014 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2016 AC_SUBST(GUI_CFLAGS_X)
2020 AC_SUBST(WIN32LDAPP)
2023 *-*-cygwin* | *-*-mingw* )
2032 if test "${enable_gdbtk}" = "yes"; then
2034 # Gdbtk must have an absolute path to srcdir in order to run
2035 # properly when not installed.
2043 # If $no_tk is nonempty, then we can't do Tk, and there is no
2044 # point to doing Tcl.
2047 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2050 # Check for in-tree tcl
2057 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2061 # Find Tcl private headers
2062 if test x"${intree}" = xno; then
2063 CY_AC_TCL_PRIVATE_HEADERS
2064 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2065 TCL_LIBRARY="${TCL_LIB_SPEC}"
2068 # If building tcl in the same src tree, private headers
2069 # are not needed, but we need to be sure to use the right
2071 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2072 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2073 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2075 AC_SUBST(TCL_INCLUDE)
2076 AC_SUBST(TCL_LIBRARY)
2081 # Check for in-tree Tk
2083 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2087 # Find Tk private headers
2088 if test x"${intree}" = xno; then
2089 CY_AC_TK_PRIVATE_HEADERS
2090 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2091 TK_LIBRARY=${TK_LIB_SPEC}
2094 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2095 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2096 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2098 AC_SUBST(TK_INCLUDE)
2099 AC_SUBST(TK_LIBRARY)
2101 AC_SUBST(TK_XINCLUDES)
2103 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2105 # Include some libraries that Tcl and Tk want.
2106 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2107 # Yes, the ordering seems wrong here. But it isn't.
2108 # TK_LIBS is the list of libraries that need to be linked
2109 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2110 # were in LIBS then any link tests after this point would
2111 # try to include things like `$(LIBGUI)', which wouldn't work.
2112 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2114 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2115 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2116 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2117 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2118 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2119 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2120 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2122 if test x$gdb_cv_os_cygwin = xyes; then
2123 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2124 WIN32LDAPP="-Wl,--subsystem,console"
2125 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2128 AC_CONFIG_SUBDIRS(gdbtk)
2136 AC_SUBST(GDBTK_CFLAGS)
2137 AC_SUBST(GDBTK_SRC_DIR)
2141 # Unlike the sim directory, whether a simulator is linked is controlled by
2142 # presence of a gdb_sim definition in the target configure.tgt entry.
2143 # This code just checks for a few cases where we'd like to ignore those
2144 # definitions, even when they're present in the '.mt' file. These cases
2145 # are when --disable-sim is specified, or if the simulator directory is
2146 # not part of the source tree.
2149 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2150 [echo "enable_sim = $enable_sim";
2151 echo "enableval = ${enableval}";
2152 case "${enableval}" in
2153 yes) ignore_sim=false ;;
2154 no) ignore_sim=true ;;
2155 *) ignore_sim=false ;;
2159 if test ! -d "${srcdir}/../sim"; then
2165 if test "${ignore_sim}" = "false"; then
2166 if test x"${gdb_sim}" != x ; then
2168 SIM_OBS="remote-sim.o"
2169 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2175 AC_SUBST(ENABLE_CFLAGS)
2176 AC_SUBST(PROFILE_CFLAGS)
2178 AC_SUBST(CONFIG_OBS)
2179 AC_SUBST(CONFIG_DEPS)
2180 AC_SUBST(CONFIG_SRCS)
2181 AC_SUBST(CONFIG_ALL)
2182 AC_SUBST(CONFIG_CLEAN)
2183 AC_SUBST(CONFIG_INSTALL)
2184 AC_SUBST(CONFIG_UNINSTALL)
2186 # List of host floatformats.
2187 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2188 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2189 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2191 # target_subdir is used by the testsuite to find the target libraries.
2193 if test "${host}" != "${target}"; then
2194 target_subdir="${target_alias}/"
2196 AC_SUBST(target_subdir)
2199 if test "${gdb_native}" = "yes"; then
2200 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2201 if test ! -f ${host_makefile_frag}; then
2202 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2204 frags="$frags $host_makefile_frag"
2206 host_makefile_frag=/dev/null
2209 AC_SUBST_FILE(host_makefile_frag)
2213 if test "${gdb_native}" = "yes"; then
2214 # We pick this up from the host configuration file (.mh) because we
2215 # do not have a native configuration Makefile fragment.
2216 nativefile=`sed -n '
2217 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2218 ' ${host_makefile_frag}`
2222 if test x"${gdb_osabi}" != x ; then
2223 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2224 [Define to the default OS ABI for this configuration.])
2227 # Enable multi-ice-gdb-server.
2228 AC_ARG_ENABLE(multi-ice,
2229 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2233 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2235 if test "x$enable_multi_ice" = xyes; then
2236 AC_CONFIG_SUBDIRS(multi-ice)
2239 AC_ARG_ENABLE(gdbserver,
2240 AS_HELP_STRING([--enable-gdbserver],
2241 [automatically build gdbserver (yes/no/auto, default is auto)]),
2242 [case "${enableval}" in
2244 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2245 esac],[enable_gdbserver=auto])
2247 # We only build gdbserver automatically in a native configuration, and
2248 # only if the user did not explicitly disable its build.
2249 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2250 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2251 if test "x$build_gdbserver" = xyes; then
2253 AC_CONFIG_SUBDIRS(gdbserver)
2254 gdbserver_build_enabled=yes
2260 # If the user explicitly request the gdbserver to be built, verify that
2261 # we were in fact able to enable it.
2262 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2263 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2266 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2267 # to an empty version.
2273 if test "${nativefile}" != ""; then
2274 case "${nativefile}" in
2275 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2276 * ) GDB_NM_FILE="${nativefile}"
2278 files="${files} ${GDB_NM_FILE}"
2279 links="${links} nm.h"
2280 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2282 AC_SUBST(GDB_NM_FILE)
2284 AC_LINK_FILES($files, $links)
2286 dnl Check for exe extension set on certain hosts (e.g. Win32)
2289 dnl Detect the character set used by this host.
2290 dnl At the moment, we just assume it's UTF-8.
2291 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2292 [Define to be a string naming the default host character set.])
2294 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2296 case x$CONFIG_HEADERS in
2297 xconfig.h:config.in)