1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 dnl 2005, 2006, 2007, 2008, 2009, 2010
4 dnl Free Software Foundation, Inc.
6 dnl This file is part of GDB.
8 dnl This program is free software; you can redistribute it and/or modify
9 dnl it under the terms of the GNU General Public License as published by
10 dnl the Free Software Foundation; either version 3 of the License, or
11 dnl (at your option) any later version.
13 dnl This program is distributed in the hope that it will be useful,
14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 dnl GNU General Public License for more details.
18 dnl You should have received a copy of the GNU General Public License
19 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
21 dnl Process this file with autoconf to produce a configure script.
25 AC_CONFIG_HEADER(config.h:config.in)
29 AC_USE_SYSTEM_EXTENSIONS
37 # Dependency checking.
39 ZW_PROG_COMPILER_DEPENDENCIES([CC])
41 # Check for the 'make' the user wants to use.
42 AC_CHECK_PROGS(MAKE, make)
44 case "`$MAKE --version 2>&1 | sed 1q`" in
49 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
52 dnl List of object files and targets accumulated by configure.
64 dnl Set up for gettext.
65 ZW_GNU_GETTEXT_SISTER_DIR
67 localedir='${datadir}/locale'
70 if test x"$USE_NLS" = xyes; then
71 CONFIG_ALL="$CONFIG_ALL all-po"
72 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
73 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
74 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
79 # For Makefile dependencies.
81 if test x"$STDINT_H" != x; then
82 GNULIB_STDINT_H=gnulib/$STDINT_H
84 AC_SUBST(GNULIB_STDINT_H)
87 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
90 # GDB does not use automake, but gnulib does. This line lets us
91 # generate its Makefile.in.
92 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
94 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
95 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
98 # GDB's datadir relocation
100 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
101 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
104 AC_ARG_WITH(relocated-sources,
105 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
106 [reloc_srcdir="${withval}"
107 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
108 [Relocated directory for source files. ])
111 AC_CONFIG_SUBDIRS(doc testsuite)
113 # Check whether to support alternative target configurations
114 AC_ARG_ENABLE(targets,
115 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
116 [case "${enableval}" in
117 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
119 no) enable_targets= ;;
120 *) enable_targets=$enableval ;;
123 # Check whether to enable 64-bit support on 32-bit hosts
124 AC_ARG_ENABLE(64-bit-bfd,
125 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
126 [case "${enableval}" in
129 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
130 esac],[want64=false])dnl
132 # Provide defaults for some variables set by the per-host and per-target
134 gdb_host_obs=posix-hdep.o
136 if test "${target}" = "${host}"; then
142 . $srcdir/configure.host
144 # Accumulate some settings from configure.tgt over all enabled targets
149 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
151 if test "$targ_alias" = "all"; then
154 # Canonicalize the secondary target names.
155 result=`$ac_config_sub $targ_alias 2>/dev/null`
156 if test -n "$result"; then
162 . ${srcdir}/configure.tgt
164 AS_IF([test -z "${gdb_target_obs}"],
165 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
167 # Target-specific object files
168 for i in ${gdb_target_obs}; do
169 case " $TARGET_OBS " in
172 TARGET_OBS="$TARGET_OBS ${i}"
177 # Check whether this target needs 64-bit CORE_ADDR
178 if test x${want64} = xfalse; then
179 . ${srcdir}/../bfd/config.bfd
184 if test x${all_targets} = xtrue; then
186 # We want all 64-bit targets if we either:
187 # - run on a 64-bit host or
188 # - already require 64-bit support for some other target or
189 # - the --enable-64-bit-bfd option was supplied
190 # Otherwise we only support all 32-bit targets.
192 # NOTE: This test must be in sync with the corresponding
195 if test x${want64} = xfalse; then
196 AC_CHECK_SIZEOF(long)
197 if test "x${ac_cv_sizeof_long}" = "x8"; then
201 if test x${want64} = xtrue; then
202 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
204 TARGET_OBS='$(ALL_TARGET_OBS)'
210 # For other settings, only the main target counts.
214 targ=$target; . ${srcdir}/configure.tgt
216 # Fetch the default architecture and default target vector from BFD.
217 targ=$target; . $srcdir/../bfd/config.bfd
219 # We only want the first architecture, so strip off the others if
220 # there is more than one.
221 targ_archs=`echo $targ_archs | sed 's/ .*//'`
223 if test "x$targ_archs" != x; then
224 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
225 [Define to BFD's default architecture. ])
227 if test "x$targ_defvec" != x; then
228 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
229 [Define to BFD's default target vector. ])
232 # The CLI cannot be disabled yet, but may be in the future.
235 AC_ARG_ENABLE(gdbcli,
236 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
241 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
243 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
246 if test x"$enable_gdbcli" = xyes; then
247 if test -d $srcdir/cli; then
248 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
249 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
250 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
251 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
257 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
262 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
265 if test x"$enable_gdbmi" = xyes; then
266 if test -d $srcdir/mi; then
267 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
268 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
269 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
270 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
276 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
281 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
282 esac],enable_tui=auto)
286 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
291 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
293 [if test -d $srcdir/gdbtk; then
298 # We unconditionally disable gdbtk tests on selected platforms.
301 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
306 AC_ARG_WITH(libunwind,
307 AS_HELP_STRING([--with-libunwind], [use libunwind frame unwinding support]),
308 [case "${withval}" in
309 yes) enable_libunwind=yes ;;
310 no) enable_libunwind=no ;;
311 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
313 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
314 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
315 enable_libunwind=yes;
319 if test x"$enable_libunwind" = xyes; then
320 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
321 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
322 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
323 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
324 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
328 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
331 if test "$opt_curses" = "yes"; then
336 AC_ARG_ENABLE(profiling,
337 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
342 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
344 [enable_profiling=no])
346 AC_CHECK_FUNCS(monstartup _mcleanup)
347 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
352 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
353 if test $ac_cv_var__etext = yes; then
354 AC_DEFINE(HAVE__ETEXT, 1,
355 [Define to 1 if your system has the _etext variable. ])
357 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
362 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
363 if test $ac_cv_var_etext = yes; then
364 AC_DEFINE(HAVE_ETEXT, 1,
365 [Define to 1 if your system has the etext variable. ])
367 if test "$enable_profiling" = yes ; then
368 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
369 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
373 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
375 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
376 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
377 ac_cv_cc_supports_pg=no)])
379 if test $ac_cv_cc_supports_pg = no; then
380 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
386 ACX_PKGVERSION([GDB])
387 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
388 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
389 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
391 # --------------------- #
392 # Checks for programs. #
393 # --------------------- #
401 AC_CHECK_TOOL(AR, ar)
402 AC_CHECK_TOOL(DLLTOOL, dlltool)
403 AC_CHECK_TOOL(WINDRES, windres)
405 # Needed for GNU/Hurd.
406 AC_CHECK_TOOL(MIG, mig)
408 # ---------------------- #
409 # Checks for libraries. #
410 # ---------------------- #
412 # We might need to link with -lm; most simulators need it.
413 AC_CHECK_LIB(m, main)
415 # We need to link with -lw to get `wctype' on Solaris before Solaris
416 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
417 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
418 # is known to have this problem). Therefore we avoid libw if we can.
419 AC_CHECK_FUNC(wctype, [],
420 [AC_CHECK_LIB(w, wctype)])
422 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
423 AC_SEARCH_LIBS(gethostbyname, nsl)
425 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
426 AC_SEARCH_LIBS(socketpair, socket)
428 # Link in zlib if we can. This allows us to read compressed debug sections.
431 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
432 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
436 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
437 # There is a very specific comment in /usr/include/curses.h explaining that
438 # termcap routines built into libcurses must not be used.
440 # The symptoms we observed so far is GDB unexpectedly changing
441 # the terminal settings when tgetent is called - this is particularly
442 # visible as the output is missing carriage returns, and so rapidly
443 # becomes very hard to read.
445 # The readline configure script has already decided that libtermcap
446 # was enough for its purposes, and so decided to build readline using
447 # libtermcap. Since the TUI mode requires curses, building GDB with
448 # TUI enabled results in both libraries to be used at the same time,
449 # which is not allowed. This basically means that GDB with TUI is
450 # broken on alpha-osf.
454 if test x"$enable_tui" = xyes; then
455 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
457 if test x"$enable_tui" = xauto; then
463 # For the TUI, we need enhanced curses functionality.
464 if test x"$enable_tui" != xno; then
469 if test x"$prefer_curses" = xyes; then
470 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
471 # curses library because the latter might not provide all the
472 # functionality we need. However, this leads to problems on systems
473 # where the linker searches /usr/local/lib, but the compiler doesn't
474 # search /usr/local/include, if ncurses is installed in /usr/local. A
475 # default installation of ncurses on alpha*-dec-osf* will lead to such
477 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
479 if test "$ac_cv_search_waddstr" != no; then
484 # Check whether we should enable the TUI, but only do so if we really
486 if test x"$enable_tui" != xno; then
487 if test -d $srcdir/tui; then
488 if test "$curses_found" != no; then
489 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
490 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
491 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
492 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
493 CONFIG_ALL="${CONFIG_ALL} all-tui"
494 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
495 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
496 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
498 if test x"$enable_tui" = xyes; then
499 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
501 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
507 # Since GDB uses Readline, we need termcap functionality. In many
508 # cases this will be provided by the curses library, but some systems
509 # have a seperate termcap library, or no curses library at all.
513 if test -d $srcdir/libtermcap; then
514 LIBS="../libtermcap/libtermcap.a $LIBS"
515 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
518 ac_cv_search_tgetent="none required"
521 ac_cv_search_tgetent="none required"
522 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
526 # These are the libraries checked by Readline.
527 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
529 if test "$ac_cv_search_tgetent" = no; then
530 AC_MSG_ERROR([no termcap library found])
533 AC_ARG_WITH([system-readline],
534 [AS_HELP_STRING([--with-system-readline],
535 [use installed readline library])])
537 if test "$with_system_readline" = yes; then
542 # readline-6.0 started to use the name `_rl_echoing_p'.
543 # `$(READLINE_DIR)/' of bundled readline would not resolve in configure.
545 AC_MSG_CHECKING([for readline_echoing_p])
547 LIBS="$LIBS $READLINE"
548 AC_LINK_IFELSE(AC_LANG_PROGRAM(,[[extern int readline_echoing_p;
549 return readline_echoing_p;]]),
550 [READLINE_ECHOING_P=yes],
551 [READLINE_ECHOING_P=no
552 AC_DEFINE([readline_echoing_p], [_rl_echoing_p],
553 [readline-6.0 started to use different name.])])
555 AC_MSG_RESULT([$READLINE_ECHOING_P])
557 READLINE='$(READLINE_DIR)/libreadline.a'
558 READLINE_DEPS='$(READLINE)'
559 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
562 AC_SUBST(READLINE_DEPS)
563 AC_SUBST(READLINE_CFLAGS)
566 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
567 [], [with_expat=auto])
568 AC_MSG_CHECKING([whether to use expat])
569 AC_MSG_RESULT([$with_expat])
571 if test "${with_expat}" = no; then
572 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
575 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
576 [XML_Parser p = XML_ParserCreate (0);])
577 if test "$HAVE_LIBEXPAT" != yes; then
578 if test "$with_expat" = yes; then
579 AC_MSG_ERROR([expat is missing or unusable])
581 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
585 LIBS="$LIBS $LIBEXPAT"
586 AC_CHECK_FUNCS(XML_StopParser)
591 dnl Utility to simplify finding libpython.
593 dnl $2 = the shell variable to assign the result to
594 dnl If libpython is found we store $version here.
595 dnl $3 = additional flags to add to CPPFLAGS
596 dnl $4 = additional flags to add to LIBS
598 AC_DEFUN([AC_TRY_LIBPYTHON],
601 define([have_libpython_var],$2)
604 AC_MSG_CHECKING([for ${version}])
605 save_CPPFLAGS=$CPPFLAGS
607 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
608 LIBS="$LIBS $new_LIBS"
609 found_usable_python=no
610 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]],
611 [[Py_Initialize ();]]),
612 [have_libpython_var=${version}
613 found_usable_python=yes],
614 [CPPFLAGS=$save_CPPFLAGS
616 AC_MSG_RESULT([${found_usable_python}])
619 dnl There are several different values for --with-python:
621 dnl no - Don't include python support.
622 dnl yes - Include python support, error if it's missing.
623 dnl If we find python in $PATH, use it to fetch configure options,
624 dnl otherwise assume the compiler can find it with no help from us.
625 dnl Python 2.6, 2.5, and then 2.4 are tried in turn.
626 dnl auto - Same as "yes", but if python is missing from the system,
627 dnl fall back to "no".
628 dnl /path/to/python/exec-prefix -
629 dnl Use the python located in this directory.
630 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
631 dnl the compilation parameters. Otherwise use
632 dnl -I/path/to/python/exec-prefix/include,
633 dnl -L/path/to/python/exec-prefix/lib.
634 dnl Python 2.6, 2.5, and then 2.4 are tried in turn.
635 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
636 dnl but is deprecated.
637 dnl /path/to/python/executable -
638 dnl Run python-config.py with this version of python to fetch the
639 dnl compilation parameters.
640 dnl NOTE: This needn't be the real python executable.
641 dnl In a cross-compilation scenario (build != host), this could be
642 dnl a shell script that provides what python-config.py provides for
643 dnl --ldflags, --includes, --exec-prefix.
644 dnl python-executable -
645 dnl Find python-executable in $PATH, and then handle the same as
646 dnl /path/to/python/executable.
648 dnl If a python program is specified, it is used to run python-config.py and
649 dnl is passed --ldflags, --includes, --exec-prefix.
652 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
653 [], [with_python=auto])
654 AC_MSG_CHECKING([whether to use python])
655 AC_MSG_RESULT([$with_python])
657 if test "${with_python}" = no; then
658 AC_MSG_WARN([python support disabled; some features may be unavailable.])
661 case "${with_python}" in
663 if test -d ${with_python}; then
664 # Assume the python binary is ${with_python}/bin/python.
665 python_prog="${with_python}/bin/python"
667 if test ! -x "${python_prog}"; then
668 # Fall back to gdb 7.0/7.1 behaviour.
670 python_prefix=${with_python}
672 elif test -x "${with_python}"; then
673 # While we can't run python compiled for $host (unless host == build),
674 # the user could write a script that provides the needed information,
675 # so we support that.
676 python_prog=${with_python}
679 AC_ERROR(invalid value for --with-python)
683 # Disallow --with-python=foo/bar.
684 AC_ERROR(invalid value for --with-python)
687 # The user has either specified auto, yes, or the name of the python
688 # program assumed to be in $PATH.
690 case "${with_python}" in
692 if test ${build} = ${host}; then
693 AC_PATH_PROG(python_prog_path, python, missing)
694 if test "${python_prog_path}" = missing; then
697 python_prog=${python_prog_path}
700 # Not much we can do except assume the cross-compiler will find the
706 # While we can't run python compiled for $host (unless host == build),
707 # the user could write a script that provides the needed information,
708 # so we support that.
709 python_prog="${with_python}"
710 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
711 if test "${python_prog_path}" = missing; then
712 AC_ERROR(unable to find python program ${python_prog})
718 if test "${python_prog}" != missing; then
719 # We have a python program to use, but it may be too old.
720 # Don't flag an error for --with-python=auto (the default).
721 have_python_config=yes
722 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
723 if test $? != 0; then
724 have_python_config=failed
725 if test "${with_python}" != auto; then
726 AC_ERROR(failure running python-config --includes)
729 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
730 if test $? != 0; then
731 have_python_config=failed
732 if test "${with_python}" != auto; then
733 AC_ERROR(failure running python-config --ldflags)
736 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
737 if test $? != 0; then
738 have_python_config=failed
739 if test "${with_python}" != auto; then
740 AC_ERROR(failure running python-config --exec-prefix)
744 # Fall back to gdb 7.0/7.1 behaviour.
745 if test -z ${python_prefix}; then
749 python_includes="-I${python_prefix}/include"
750 python_libs="-L${python_prefix}/lib"
752 have_python_config=no
755 # Having "/pythonX.Y" in the include path is awkward.
756 # All those python headers get bubbled up to the top inviting lots
757 # of random collisions. GDB originally didn't use python-config to
758 # find the compilation parameters and includes "pythonX.Y/" in the
759 # path of the, umm, include file. So strip away this part of the
760 # output of python-config --includes.
761 python_includes=`echo "${python_includes} " \
762 | sed -e 's,/python[[0-9]]*[[.]][[0-9]]* , ,g'`
764 # If we have python-config, only try the configuration it provides.
765 # Otherwise fallback on the old way of trying different versions of
769 if test "${have_python_config}" = yes; then
770 python_version=`echo " ${python_libs} " \
771 | sed -e 's,^.* -l\(python[[0-9]]*[[.]][[0-9]]*\) .*$,\1,'`
772 case "${python_version}" in
774 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
775 ${python_includes}, ${python_libs})
778 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
781 elif test "${have_python_config}" != failed; then
782 if test "${have_libpython}" = no; then
783 AC_TRY_LIBPYTHON(python2.6, have_libpython,
784 ${python_includes}, "${python_libs} -lpython2.6")
786 if test ${have_libpython} = no; then
787 AC_TRY_LIBPYTHON(python2.5, have_libpython,
788 ${python_includes}, "${python_libs} -lpython2.5")
790 if test ${have_libpython} = no; then
791 AC_TRY_LIBPYTHON(python2.4, have_libpython,
792 ${python_includes}, "${python_libs} -lpython2.4")
795 if test "${have_libpython}" = python2.6; then
796 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
797 elif test "${have_libpython}" = python2.5; then
798 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
799 elif test "${have_libpython}" = python2.4; then
800 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
803 if test "${have_libpython}" = no; then
804 case "${with_python}" in
806 AC_MSG_ERROR([python is missing or unusable])
809 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
812 AC_MSG_ERROR([no usable python found at ${with_python}])
816 if test -n "${python_prefix}"; then
817 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
818 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
819 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
824 if test "${have_libpython}" != no; then
825 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
826 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
827 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
828 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
829 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
831 # Flags needed to compile Python code (taken from python-config --cflags).
832 # We cannot call python-config directly because it will output whatever was
833 # used when compiling the Python interpreter itself, including flags which
834 # would make the python-related objects be compiled differently from the
835 # rest of GDB (e.g., -O2 and -fPIC).
836 if test "${GCC}" = yes; then
837 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
840 if test "x${tentative_python_cflags}" != x; then
841 AC_MSG_CHECKING(compiler flags for python code)
842 for flag in ${tentative_python_cflags}; do
843 # Check that the compiler accepts it
844 saved_CFLAGS="$CFLAGS"
845 CFLAGS="$CFLAGS $flag"
846 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
847 CFLAGS="$saved_CFLAGS"
849 AC_MSG_RESULT(${PYTHON_CFLAGS})
852 # Even if Python support is not compiled in, we need to have these files
854 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
855 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
856 python/py-prettyprint.c python/py-auto-load.c"
858 AC_SUBST(PYTHON_CFLAGS)
860 # ------------------------- #
861 # Checks for header files. #
862 # ------------------------- #
867 # elf_hp.h is for HP/UX 64-bit shared library support.
868 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
869 # unconditionally, so what's the point in checking these?
870 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
871 thread_db.h gnu/libc-version.h signal.h stddef.h \
872 stdlib.h string.h memory.h strings.h sys/fault.h \
873 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
874 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
875 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
876 sys/types.h sys/wait.h wait.h termios.h termio.h \
877 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
878 AC_CHECK_HEADERS(link.h, [], [],
879 [#if HAVE_SYS_TYPES_H
880 # include <sys/types.h>
886 AC_CHECK_HEADERS(sys/proc.h, [], [],
887 [#if HAVE_SYS_PARAM_H
888 # include <sys/param.h>
891 AC_CHECK_HEADERS(sys/user.h, [], [],
892 [#if HAVE_SYS_PARAM_H
893 # include <sys/param.h>
897 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
898 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
899 # think that we don't have <curses.h> if we're using GCC.
902 if test "$GCC" = yes; then
903 AC_DEFINE(_MSE_INT_H, 1,
904 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
905 Solaris 2.[789] when using GCC. ])
908 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
909 AC_CHECK_HEADERS(term.h, [], [],
915 # ------------------------- #
916 # Checks for declarations. #
917 # ------------------------- #
919 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
920 snprintf, vsnprintf])
923 # ----------------------- #
924 # Checks for structures. #
925 # ----------------------- #
927 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
929 # ------------------ #
930 # Checks for types. #
931 # ------------------ #
934 AC_CHECK_TYPES(socklen_t, [], [],
935 [#include <sys/types.h>
936 #include <sys/socket.h>
939 # ------------------------------------- #
940 # Checks for compiler characteristics. #
941 # ------------------------------------- #
947 # ------------------------------ #
948 # Checks for library functions. #
949 # ------------------------------ #
954 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
955 getgid pipe poll pread64 sbrk setpgid setpgrp setsid \
956 sigaction sigprocmask sigsetmask socketpair syscall \
957 ttrace wborder setlocale iconvlist libiconvlist btowc \
958 setrlimit getrlimit posix_madvise])
961 # Check the return and argument types of ptrace. No canned test for
962 # this, so roll our own.
965 # include <sys/types.h>
967 #if HAVE_SYS_PTRACE_H
968 # include <sys/ptrace.h>
974 # There is no point in checking if we don't have a prototype.
975 AC_CHECK_DECLS(ptrace, [], [
976 : ${gdb_cv_func_ptrace_ret='int'}
977 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
978 ], $gdb_ptrace_headers)
979 # Check return type. Varargs (used on GNU/Linux) conflict with the
980 # empty argument list, so check for that explicitly.
981 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
982 AC_TRY_COMPILE($gdb_ptrace_headers,
983 [extern long ptrace (enum __ptrace_request, ...);],
984 gdb_cv_func_ptrace_ret='long',
985 AC_TRY_COMPILE($gdb_ptrace_headers,
986 [extern int ptrace ();],
987 gdb_cv_func_ptrace_ret='int',
988 gdb_cv_func_ptrace_ret='long')))
989 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
990 [Define as the return type of ptrace.])
991 # Check argument types.
992 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
993 AC_TRY_COMPILE($gdb_ptrace_headers,
994 [extern long ptrace (enum __ptrace_request, ...);],
995 [gdb_cv_func_ptrace_args='int,int,long,long'],[
996 for gdb_arg1 in 'int' 'long'; do
997 for gdb_arg2 in 'pid_t' 'int' 'long'; do
998 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
999 for gdb_arg4 in 'int' 'long'; do
1000 AC_TRY_COMPILE($gdb_ptrace_headers, [
1001 extern $gdb_cv_func_ptrace_ret
1002 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1003 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1005 for gdb_arg5 in 'int *' 'int' 'long'; do
1006 AC_TRY_COMPILE($gdb_ptrace_headers, [
1007 extern $gdb_cv_func_ptrace_ret
1008 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1010 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1017 # Provide a safe default value.
1018 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1020 ac_save_IFS=$IFS; IFS=','
1021 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1024 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1025 [Define to the type of arg 3 for ptrace.])
1026 if test -n "$[5]"; then
1027 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1028 [Define to the type of arg 5 for ptrace.])
1031 dnl AC_FUNC_SETPGRP does not work when cross compiling
1032 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1033 if test "$cross_compiling" = no; then
1036 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1040 if (setpgrp(1,1) == -1)
1044 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1045 if test $ac_cv_func_setpgrp_void = yes; then
1046 AC_DEFINE(SETPGRP_VOID, 1)
1050 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1051 # since sigsetjmp might only be defined as a macro.
1052 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1055 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1056 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1057 if test $gdb_cv_func_sigsetjmp = yes; then
1058 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1061 # Assume we'll default to using the included libiberty regex.
1062 gdb_use_included_regex=yes
1064 # However, if the system regex is GNU regex, then default to *not*
1065 # using the included regex.
1068 [gdb_cv_have_gnu_regex],
1070 [#include <gnu-versions.h>],
1071 [#define REGEX_INTERFACE_VERSION 1
1072 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1073 # error "Version mismatch"
1075 gdb_cv_have_gnu_regex=yes,
1076 gdb_cv_have_gnu_regex=no)])
1077 if test $gdb_cv_have_gnu_regex = yes; then
1078 gdb_use_included_regex=no
1081 AC_ARG_WITH(included-regex,
1082 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1083 gdb_with_regex=$withval,
1084 gdb_with_regex=$gdb_use_included_regex)
1085 if test "$gdb_with_regex" = yes; then
1086 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1087 [Define to 1 if the regex included in libiberty should be used.])
1090 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1091 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1092 [#include <sys/param.h>
1093 #include <sys/proc.h>
1096 # See if <sys/lwp.h> defines `struct lwp`.
1097 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1098 [AC_TRY_COMPILE([#include <sys/param.h>
1099 #include <sys/lwp.h>], [struct lwp l;],
1100 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1101 if test $gdb_cv_struct_lwp = yes; then
1102 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1103 [Define to 1 if your system has struct lwp.])
1106 # See if <machine/reg.h> degines `struct reg'.
1107 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1108 [AC_TRY_COMPILE([#include <sys/types.h>
1109 #include <machine/reg.h>], [struct reg r;],
1110 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1111 if test $gdb_cv_struct_reg = yes; then
1112 AC_DEFINE(HAVE_STRUCT_REG, 1,
1113 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1116 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1117 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1118 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1119 [#include <machine/reg.h>])
1121 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1122 AC_MSG_CHECKING(for PTRACE_GETREGS)
1123 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1124 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1126 [gdb_cv_have_ptrace_getregs=yes],
1127 [gdb_cv_have_ptrace_getregs=no])])
1128 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1129 if test $gdb_cv_have_ptrace_getregs = yes; then
1130 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1131 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1134 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1135 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1136 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1137 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1138 [PTRACE_GETFPXREGS;],
1139 [gdb_cv_have_ptrace_getfpxregs=yes],
1140 [gdb_cv_have_ptrace_getfpxregs=no])])
1141 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1142 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1143 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1144 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1147 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1148 AC_MSG_CHECKING(for PT_GETDBREGS)
1149 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1150 [AC_TRY_COMPILE([#include <sys/types.h>
1151 #include <sys/ptrace.h>],
1153 [gdb_cv_have_pt_getdbregs=yes],
1154 [gdb_cv_have_pt_getdbregs=no])])
1155 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1156 if test $gdb_cv_have_pt_getdbregs = yes; then
1157 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1158 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1161 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1162 AC_MSG_CHECKING(for PT_GETXMMREGS)
1163 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1164 [AC_TRY_COMPILE([#include <sys/types.h>
1165 #include <sys/ptrace.h>],
1167 [gdb_cv_have_pt_getxmmregs=yes],
1168 [gdb_cv_have_pt_getxmmregs=no])])
1169 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1170 if test $gdb_cv_have_pt_getxmmregs = yes; then
1171 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1172 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1175 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1177 if test "${target}" = "${host}"; then
1179 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1180 AC_DEFINE(NEW_PROC_API, 1,
1181 [Define if you want to use new multi-fd /proc interface
1182 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1184 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1185 AC_DEFINE(NEW_PROC_API, 1,
1186 [Define if you want to use new multi-fd /proc interface
1187 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1190 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1191 AC_DEFINE([_KMEMUSER], 1,
1192 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1193 around a <sys/proc.h> problem on IRIX 5.])
1198 if test "$ac_cv_header_sys_procfs_h" = yes; then
1199 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1200 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1201 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1202 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1203 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1204 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1205 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1206 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1207 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1208 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1209 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1210 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1211 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1212 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1215 dnl Check for broken prfpregset_t type
1217 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1218 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1219 dnl instead of the struct itself). We detect this here, and work
1220 dnl around it in gdb_proc_service.h.
1222 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1223 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1224 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1225 [AC_TRY_RUN([#include <sys/procfs.h>
1228 if (sizeof (prfpregset_t) == sizeof (void *))
1232 gdb_cv_prfpregset_t_broken=no,
1233 gdb_cv_prfpregset_t_broken=yes,
1234 gdb_cv_prfpregset_t_broken=yes)])
1235 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1236 if test $gdb_cv_prfpregset_t_broken = yes; then
1237 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1238 [Define if the prfpregset_t type is broken.])
1242 dnl Check for PIOCSET ioctl entry
1244 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1245 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1246 [AC_TRY_COMPILE([#include <unistd.h>
1247 #include <sys/types.h>
1248 #include <sys/procfs.h>
1251 dummy = ioctl(0, PIOCSET, &dummy);
1253 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1254 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1255 if test $gdb_cv_have_procfs_piocset = yes; then
1256 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1257 [Define if ioctl argument PIOCSET is available.])
1261 dnl For native ports (host == target), check to see what kind of
1262 dnl legacy link.h support is needed. (See solib-legacy.c.)
1263 if test ${host} = ${target} ; then
1264 dnl Check for struct link_map with l_ members which are indicative
1265 dnl of SVR4-like shared libraries
1267 AC_MSG_CHECKING(for member l_addr in struct link_map)
1268 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1269 [AC_TRY_COMPILE([#include <link.h>],
1270 [struct link_map lm; (void) lm.l_addr;],
1271 gdb_cv_have_struct_link_map_with_l_members=yes,
1272 gdb_cv_have_struct_link_map_with_l_members=no)])
1273 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1274 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1275 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1276 [Define if <link.h> exists and defines struct link_map which has
1277 members with an ``l_'' prefix. (For Solaris, SVR4, and
1278 SVR4-like systems.)])
1281 dnl Check for struct link_map with lm_ members which are indicative
1282 dnl of SunOS-like shared libraries
1284 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1285 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1286 [AC_TRY_COMPILE([#include <sys/types.h>
1288 [struct link_map lm; (void) lm.lm_addr;],
1289 gdb_cv_have_struct_link_map_with_lm_members=yes,
1290 gdb_cv_have_struct_link_map_with_lm_members=no)])
1291 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1292 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1293 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1294 [Define if <link.h> exists and defines struct link_map which has
1295 members with an ``lm_'' prefix. (For SunOS.)])
1298 dnl Check for struct so_map with som_ members which are found on
1299 dnl some *BSD systems.
1301 AC_MSG_CHECKING(for member som_addr in struct so_map)
1302 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1303 [AC_TRY_COMPILE([#include <sys/types.h>
1308 [struct so_map lm; (void) lm.som_addr;],
1309 gdb_cv_have_struct_so_map_with_som_members=yes,
1310 gdb_cv_have_struct_so_map_with_som_members=no)])
1311 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1312 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1313 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1314 [Define if <link.h> exists and defines a struct so_map which has
1315 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1318 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1319 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1321 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1322 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1323 [AC_TRY_COMPILE([#define _SYSCALL32
1324 #include <sys/link.h>], [struct link_map32 l;],
1325 gdb_cv_have_struct_link_map32=yes,
1326 gdb_cv_have_struct_link_map32=no)])
1327 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1328 if test $gdb_cv_have_struct_link_map32 = yes; then
1329 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1330 [Define if <sys/link.h> has struct link_map32])
1331 AC_DEFINE(_SYSCALL32, 1,
1332 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1336 # Check if the compiler supports the `long long' type.
1338 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1339 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1340 [[extern long long foo;]],
1341 [[switch (foo & 2) { case 0: return 1; }]])],
1342 gdb_cv_c_long_long=yes,
1343 gdb_cv_c_long_long=no)])
1344 if test $gdb_cv_c_long_long = yes; then
1345 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1346 [Define to 1 if the compiler supports long long.])
1349 # Check if the compiler and runtime support printing long longs.
1351 AC_CACHE_CHECK([for long long support in printf],
1352 gdb_cv_printf_has_long_long,
1353 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1356 l = (l << 16) + 0x0123;
1357 l = (l << 16) + 0x4567;
1358 l = (l << 16) + 0x89ab;
1359 l = (l << 16) + 0xcdef;
1360 sprintf (buf, "0x%016llx", l);
1361 return (strcmp ("0x0123456789abcdef", buf));]])],
1362 gdb_cv_printf_has_long_long=yes,
1363 gdb_cv_printf_has_long_long=no,
1364 gdb_cv_printf_has_long_long=no)])
1365 if test $gdb_cv_printf_has_long_long = yes; then
1366 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1367 [Define to 1 if the "%ll" format works to print long longs.])
1370 # Check if the compiler and runtime support printing decfloats.
1372 AC_CACHE_CHECK([for decfloat support in printf],
1373 gdb_cv_printf_has_decfloat,
1374 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1376 _Decimal32 d32 = 1.2345df;
1377 _Decimal64 d64 = 1.2345dd;
1378 _Decimal128 d128 = 1.2345dl;
1379 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1380 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1381 gdb_cv_printf_has_decfloat=yes,
1382 gdb_cv_printf_has_decfloat=no,
1383 gdb_cv_printf_has_decfloat=no)])
1384 if test $gdb_cv_printf_has_decfloat = yes; then
1385 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1386 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1389 # Check if the compiler supports the `long double' type. We can't use
1390 # AC_C_LONG_DOUBLE because that one does additional checks on the
1391 # constants defined in <float.h> that fail on some systems,
1392 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1394 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1395 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1396 gdb_cv_c_long_double=yes,
1397 gdb_cv_c_long_double=no)])
1398 if test $gdb_cv_c_long_double = yes; then
1399 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1400 [Define to 1 if the compiler supports long double.])
1403 # Check if the compiler and runtime support printing long doubles.
1405 AC_CACHE_CHECK([for long double support in printf],
1406 gdb_cv_printf_has_long_double,
1407 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1409 long double f = 3.141592653;
1410 sprintf (buf, "%Lg", f);
1411 return (strncmp ("3.14159", buf, 7));]])],
1412 gdb_cv_printf_has_long_double=yes,
1413 gdb_cv_printf_has_long_double=no,
1414 gdb_cv_printf_has_long_double=no)])
1415 if test $gdb_cv_printf_has_long_double = yes; then
1416 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1417 [Define to 1 if the "%Lg" format works to print long doubles.])
1420 # Check if the compiler and runtime support scanning long doubles.
1422 AC_CACHE_CHECK([for long double support in scanf],
1423 gdb_cv_scanf_has_long_double,
1424 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1425 [[#include <stdio.h>]],
1426 [[char *buf = "3.141592653";
1428 sscanf (buf, "%Lg", &f);
1429 return !(f > 3.14159 && f < 3.14160);]])],
1430 gdb_cv_scanf_has_long_double=yes,
1431 gdb_cv_scanf_has_long_double=no,
1432 gdb_cv_scanf_has_long_double=no)])
1433 if test $gdb_cv_scanf_has_long_double = yes; then
1434 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1435 [Define to 1 if the "%Lg" format works to scan long doubles.])
1440 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1441 SAVE_LDFLAGS=$LDFLAGS
1444 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1445 *) gdb_cv_bigtoc=-bbigtoc ;;
1448 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1449 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1450 LDFLAGS="${SAVE_LDFLAGS}"
1452 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1456 AC_MSG_CHECKING(for the dynamic export flag)
1458 if test "${gdb_native}" = yes; then
1459 # The dynamically loaded libthread_db needs access to symbols in the gdb
1460 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1461 # may not be supported there.
1462 old_LDFLAGS="$LDFLAGS"
1463 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1464 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1465 LDFLAGS="$LDFLAGS $RDYNAMIC"
1466 if test "${have_libpython}" = no; then
1467 AC_TRY_LINK([], [], [dynamic_list=true])
1469 # Workaround http://bugs.python.org/issue4434 where static
1470 # libpythonX.Y.a would get its symbols required for
1471 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1472 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1473 old_CFLAGS="$CFLAGS"
1474 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1477 [#include "]${have_libpython}[/Python.h"],
1480 err = PyRun_SimpleString ("import itertools\n");
1482 return err == 0 ? 0 : 1;]),
1483 [dynamic_list=true], [], [true])
1484 CFLAGS="$old_CFLAGS"
1486 LDFLAGS="$old_LDFLAGS"
1488 if $dynamic_list; then
1489 found="-Wl,--dynamic-list"
1490 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1493 RDYNAMIC="-rdynamic"
1496 AC_MSG_RESULT($found)
1498 dnl For certain native configurations, we need to check whether thread
1499 dnl support can be built in or not.
1501 dnl Note that we only want this if we are both native (host == target),
1502 dnl and not doing a canadian cross build (build == host).
1504 if test ${build} = ${host} -a ${host} = ${target} ; then
1507 AC_MSG_CHECKING(for HPUX/OSF thread support)
1508 if test -f /usr/include/dce/cma_config.h ; then
1509 if test "$GCC" = "yes" ; then
1511 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1512 [Define if you have HPUX threads])
1513 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1514 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1516 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1523 # See if thread_db library is around for Solaris thread debugging.
1524 # Note that we must explicitly test for version 1 of the library
1525 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1527 AC_MSG_CHECKING(for Solaris thread debugging library)
1528 if test -f /usr/lib/libthread_db.so.1 ; then
1530 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1531 [Define if using Solaris thread debugging.])
1532 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1533 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1534 AC_CHECK_LIB(dl, dlopen)
1535 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1536 # Sun randomly tweaked the prototypes in <proc_service.h>
1538 AC_MSG_CHECKING(if <proc_service.h> is old)
1539 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1541 #include <proc_service.h>
1543 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1544 ],, gdb_cv_proc_service_is_old=no,
1545 gdb_cv_proc_service_is_old=yes)
1547 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1548 if test $gdb_cv_proc_service_is_old = yes; then
1549 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1550 [Define if <proc_service.h> on solaris uses int instead of
1551 size_t, and assorted other type changes.])
1558 AC_MSG_CHECKING(for AiX thread debugging library)
1559 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1560 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1561 [#ifndef PTHDB_VERSION_3
1564 gdb_cv_have_aix_thread_debug=yes,
1565 gdb_cv_have_aix_thread_debug=no)])
1566 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1567 if test $gdb_cv_have_aix_thread_debug = yes; then
1568 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1569 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1570 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1574 AC_SUBST(CONFIG_LDFLAGS)
1577 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1578 dnl other error codes.
1579 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1580 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1581 gdb_cv_thread_db_h_has_td_notalloc,
1583 [#include <thread_db.h>],
1584 [int i = TD_NOTALLOC;],
1585 gdb_cv_thread_db_h_has_td_notalloc=yes,
1586 gdb_cv_thread_db_h_has_td_notalloc=no
1589 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1590 gdb_cv_thread_db_h_has_td_version,
1592 [#include <thread_db.h>],
1593 [int i = TD_VERSION;],
1594 gdb_cv_thread_db_h_has_td_version=yes,
1595 gdb_cv_thread_db_h_has_td_version=no
1598 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1599 gdb_cv_thread_db_h_has_td_notls,
1601 [#include <thread_db.h>],
1602 [int i = TD_NOTLS;],
1603 gdb_cv_thread_db_h_has_td_notls=yes,
1604 gdb_cv_thread_db_h_has_td_notls=no
1608 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1609 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1610 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1612 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1613 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1614 [Define if <thread_db.h> has the TD_VERSION error code.])
1616 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1617 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1618 [Define if <thread_db.h> has the TD_NOTLS error code.])
1621 dnl See if we have a sys/syscall header file that has __NR_tkill.
1622 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1623 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1624 gdb_cv_sys_syscall_h_has_tkill,
1626 [#include <sys/syscall.h>],
1627 [int i = __NR_tkill;],
1628 gdb_cv_sys_syscall_h_has_tkill=yes,
1629 gdb_cv_sys_syscall_h_has_tkill=no
1633 dnl See if we can issue tkill syscall.
1634 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1635 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1638 dnl Check if we can disable the virtual address space randomization.
1639 dnl The functionality of setarch -R.
1640 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1641 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1642 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1643 # define ADDR_NO_RANDOMIZE 0x0040000
1645 /* Test the flag could be set and stays set. */
1646 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1647 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1649 AC_RUN_IFELSE([PERSONALITY_TEST],
1650 [have_personality=true],
1651 [have_personality=false],
1652 [AC_LINK_IFELSE([PERSONALITY_TEST],
1653 [have_personality=true],
1654 [have_personality=false])])
1655 if $have_personality
1657 AC_DEFINE([HAVE_PERSONALITY], 1,
1658 [Define if you support the personality syscall.])
1661 dnl Handle optional features that can be enabled.
1663 target_sysroot_reloc=0
1664 AC_ARG_WITH(sysroot,
1665 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1667 case ${with_sysroot} in
1668 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1669 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1672 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1674 if test "x$prefix" = xNONE; then
1675 test_prefix=/usr/local
1679 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1680 test_exec_prefix=$test_prefix
1682 test_exec_prefix=$exec_prefix
1684 case ${TARGET_SYSTEM_ROOT} in
1685 "${test_prefix}"|"${test_prefix}/"*|\
1686 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1687 '${prefix}'|'${prefix}/'*|\
1688 '${exec_prefix}'|'${exec_prefix}/'*)
1689 target_sysroot_reloc=1
1694 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1696 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1697 AC_SUBST(TARGET_SYSTEM_ROOT)
1698 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1700 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1701 [automatically load a system-wide gdbinit file],
1704 AC_ARG_ENABLE(werror,
1705 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1706 [case "${enableval}" in
1707 yes | y) ERROR_ON_WARNING="yes" ;;
1708 no | n) ERROR_ON_WARNING="no" ;;
1709 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1712 # Enable -Werror by default when using gcc
1713 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1714 ERROR_ON_WARNING=yes
1718 if test "${ERROR_ON_WARNING}" = yes ; then
1719 WERROR_CFLAGS="-Werror"
1722 # The entries after -Wno-pointer-sign are disabled warnings which may
1723 # be enabled in the future, which can not currently be used to build
1725 # NOTE: If you change this list, remember to update
1726 # gdb/doc/gdbint.texinfo.
1727 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1728 -Wformat-nonliteral -Wno-pointer-sign \
1729 -Wno-unused -Wunused-value -Wunused-function \
1730 -Wno-switch -Wno-char-subscripts"
1732 # Enable -Wno-format by default when using gcc on mingw since many
1733 # GCC versions complain about %I64.
1735 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1738 AC_ARG_ENABLE(build-warnings,
1739 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1740 [case "${enableval}" in
1742 no) build_warnings="-w";;
1743 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1744 build_warnings="${build_warnings} ${t}";;
1745 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1746 build_warnings="${t} ${build_warnings}";;
1747 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1749 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1750 echo "Setting compiler warning flags = $build_warnings" 6>&1
1752 AC_ARG_ENABLE(gdb-build-warnings,
1753 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1754 [case "${enableval}" in
1756 no) build_warnings="-w";;
1757 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1758 build_warnings="${build_warnings} ${t}";;
1759 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1760 build_warnings="${t} ${build_warnings}";;
1761 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1763 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1764 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1767 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1769 AC_MSG_CHECKING(compiler warning flags)
1770 # Separate out the -Werror flag as some files just cannot be
1771 # compiled with it enabled.
1772 for w in ${build_warnings}; do
1774 -Werr*) WERROR_CFLAGS=-Werror ;;
1775 *) # Check that GCC accepts it
1776 saved_CFLAGS="$CFLAGS"
1778 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1779 CFLAGS="$saved_CFLAGS"
1782 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1784 AC_SUBST(WARN_CFLAGS)
1785 AC_SUBST(WERROR_CFLAGS)
1787 # In the Cygwin environment, we need some additional flags.
1788 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1789 [AC_EGREP_CPP(lose, [
1790 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1792 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1795 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1796 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1798 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1799 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1800 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1802 AC_SUBST(SER_HARDWIRE)
1804 # libreadline needs libuser32.a in a cygwin environment
1806 if test x$gdb_cv_os_cygwin = xyes; then
1807 WIN32LIBS="-luser32"
1809 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1814 # The ser-tcp.c module requires sockets.
1817 AC_DEFINE(USE_WIN32API, 1,
1818 [Define if we should use the Windows API, instead of the
1819 POSIX API. On Windows, we use the Windows API when
1820 building for MinGW, but the POSIX API when building
1822 WIN32LIBS="$WIN32LIBS -lws2_32"
1827 # Add ELF support to GDB, but only if BFD includes ELF support.
1829 OLD_LDFLAGS=$LDFLAGS
1831 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1832 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1833 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1834 LIBS="-lbfd -liberty $intl $LIBS"
1835 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1837 [#include <stdlib.h>
1839 #include "elf-bfd.h"
1841 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1842 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1843 if test $gdb_cv_var_elf = yes; then
1844 CONFIG_OBS="$CONFIG_OBS elfread.o"
1845 AC_DEFINE(HAVE_ELF, 1,
1846 [Define if ELF support should be included.])
1849 LDFLAGS=$OLD_LDFLAGS
1852 # Add any host-specific objects to GDB.
1853 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1855 LIBGUI="../libgui/src/libgui.a"
1856 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1858 AC_SUBST(GUI_CFLAGS_X)
1862 AC_SUBST(WIN32LDAPP)
1865 *-*-cygwin* | *-*-mingw* )
1874 if test "${enable_gdbtk}" = "yes"; then
1876 # Gdbtk must have an absolute path to srcdir in order to run
1877 # properly when not installed.
1885 # If $no_tk is nonempty, then we can't do Tk, and there is no
1886 # point to doing Tcl.
1889 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1892 # Check for in-tree tcl
1899 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1903 # Find Tcl private headers
1904 if test x"${intree}" = xno; then
1905 CY_AC_TCL_PRIVATE_HEADERS
1906 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1907 TCL_LIBRARY="${TCL_LIB_SPEC}"
1910 # If building tcl in the same src tree, private headers
1911 # are not needed, but we need to be sure to use the right
1913 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1914 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1915 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1917 AC_SUBST(TCL_INCLUDE)
1918 AC_SUBST(TCL_LIBRARY)
1923 # Check for in-tree Tk
1925 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1929 # Find Tk private headers
1930 if test x"${intree}" = xno; then
1931 CY_AC_TK_PRIVATE_HEADERS
1932 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1933 TK_LIBRARY=${TK_LIB_SPEC}
1936 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1937 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1938 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1940 AC_SUBST(TK_INCLUDE)
1941 AC_SUBST(TK_LIBRARY)
1943 AC_SUBST(TK_XINCLUDES)
1945 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1947 # Include some libraries that Tcl and Tk want.
1948 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1949 # Yes, the ordering seems wrong here. But it isn't.
1950 # TK_LIBS is the list of libraries that need to be linked
1951 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1952 # were in LIBS then any link tests after this point would
1953 # try to include things like `$(LIBGUI)', which wouldn't work.
1954 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1956 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1957 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1958 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1959 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1960 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1961 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1962 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1964 if test x$gdb_cv_os_cygwin = xyes; then
1965 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1966 WIN32LDAPP="-Wl,--subsystem,console"
1967 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1970 AC_CONFIG_SUBDIRS(gdbtk)
1978 AC_SUBST(GDBTK_CFLAGS)
1979 AC_SUBST(GDBTK_SRC_DIR)
1983 # Unlike the sim directory, whether a simulator is linked is controlled by
1984 # presence of a gdb_sim definition in the target configure.tgt entry.
1985 # This code just checks for a few cases where we'd like to ignore those
1986 # definitions, even when they're present in the '.mt' file. These cases
1987 # are when --disable-sim is specified, or if the simulator directory is
1988 # not part of the source tree.
1991 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
1992 [echo "enable_sim = $enable_sim";
1993 echo "enableval = ${enableval}";
1994 case "${enableval}" in
1995 yes) ignore_sim=false ;;
1996 no) ignore_sim=true ;;
1997 *) ignore_sim=false ;;
2001 if test ! -d "${srcdir}/../sim"; then
2007 if test "${ignore_sim}" = "false"; then
2008 if test x"${gdb_sim}" != x ; then
2010 SIM_OBS="remote-sim.o"
2011 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2017 AC_SUBST(ENABLE_CFLAGS)
2018 AC_SUBST(PROFILE_CFLAGS)
2020 AC_SUBST(CONFIG_OBS)
2021 AC_SUBST(CONFIG_DEPS)
2022 AC_SUBST(CONFIG_SRCS)
2023 AC_SUBST(CONFIG_ALL)
2024 AC_SUBST(CONFIG_CLEAN)
2025 AC_SUBST(CONFIG_INSTALL)
2026 AC_SUBST(CONFIG_UNINSTALL)
2028 # List of host floatformats.
2029 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2030 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2031 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2033 # target_subdir is used by the testsuite to find the target libraries.
2035 if test "${host}" != "${target}"; then
2036 target_subdir="${target_alias}/"
2038 AC_SUBST(target_subdir)
2041 if test "${gdb_native}" = "yes"; then
2042 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2043 if test ! -f ${host_makefile_frag}; then
2044 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2046 frags="$frags $host_makefile_frag"
2048 host_makefile_frag=/dev/null
2051 AC_SUBST_FILE(host_makefile_frag)
2055 if test "${gdb_native}" = "yes"; then
2056 # We pick this up from the host configuration file (.mh) because we
2057 # do not have a native configuration Makefile fragment.
2058 nativefile=`sed -n '
2059 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2060 ' ${host_makefile_frag}`
2064 if test x"${gdb_osabi}" != x ; then
2065 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2066 [Define to the default OS ABI for this configuration.])
2069 # Enable multi-ice-gdb-server.
2070 AC_ARG_ENABLE(multi-ice,
2071 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2075 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2077 if test "x$enable_multi_ice" = xyes; then
2078 AC_CONFIG_SUBDIRS(multi-ice)
2081 # We only build gdbserver automatically in a native configuration.
2082 if test "$gdb_native" = "yes"; then
2083 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2084 if test "x$build_gdbserver" = xyes; then
2086 AC_CONFIG_SUBDIRS(gdbserver)
2092 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2093 # to an empty version.
2099 if test "${nativefile}" != ""; then
2100 case "${nativefile}" in
2101 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2102 * ) GDB_NM_FILE="${nativefile}"
2104 files="${files} ${GDB_NM_FILE}"
2105 links="${links} nm.h"
2106 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2108 AC_SUBST(GDB_NM_FILE)
2110 AC_LINK_FILES($files, $links)
2112 dnl Check for exe extension set on certain hosts (e.g. Win32)
2115 dnl Detect the character set used by this host.
2116 dnl At the moment, we just assume it's UTF-8.
2117 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2118 [Define to be a string naming the default host character set.])
2120 AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
2122 case x$CONFIG_HEADERS in
2123 xconfig.h:config.in)