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 "${have_libpython}" = python2.7; then
796 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
797 elif test "${have_libpython}" = python2.6; then
798 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
799 elif test "${have_libpython}" = python2.5; then
800 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
801 elif test "${have_libpython}" = python2.4; then
802 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
805 if test "${have_libpython}" = no; then
806 case "${with_python}" in
808 AC_MSG_ERROR([python is missing or unusable])
811 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
814 AC_MSG_ERROR([no usable python found at ${with_python}])
818 if test -n "${python_prefix}"; then
819 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
820 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
821 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
826 if test "${have_libpython}" != no; then
827 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
828 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
829 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
830 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
831 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
833 # Flags needed to compile Python code (taken from python-config --cflags).
834 # We cannot call python-config directly because it will output whatever was
835 # used when compiling the Python interpreter itself, including flags which
836 # would make the python-related objects be compiled differently from the
837 # rest of GDB (e.g., -O2 and -fPIC).
838 if test "${GCC}" = yes; then
839 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
842 if test "x${tentative_python_cflags}" != x; then
843 AC_MSG_CHECKING(compiler flags for python code)
844 for flag in ${tentative_python_cflags}; do
845 # Check that the compiler accepts it
846 saved_CFLAGS="$CFLAGS"
847 CFLAGS="$CFLAGS $flag"
848 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
849 CFLAGS="$saved_CFLAGS"
851 AC_MSG_RESULT(${PYTHON_CFLAGS})
854 # Even if Python support is not compiled in, we need to have these files
856 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
857 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
858 python/py-prettyprint.c python/py-auto-load.c"
860 AC_SUBST(PYTHON_CFLAGS)
862 # ------------------------- #
863 # Checks for header files. #
864 # ------------------------- #
869 # elf_hp.h is for HP/UX 64-bit shared library support.
870 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
871 # unconditionally, so what's the point in checking these?
872 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
873 thread_db.h gnu/libc-version.h signal.h stddef.h \
874 stdlib.h string.h memory.h strings.h sys/fault.h \
875 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
876 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
877 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
878 sys/types.h sys/wait.h wait.h termios.h termio.h \
879 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
880 AC_CHECK_HEADERS(link.h, [], [],
881 [#if HAVE_SYS_TYPES_H
882 # include <sys/types.h>
888 AC_CHECK_HEADERS(sys/proc.h, [], [],
889 [#if HAVE_SYS_PARAM_H
890 # include <sys/param.h>
893 AC_CHECK_HEADERS(sys/user.h, [], [],
894 [#if HAVE_SYS_PARAM_H
895 # include <sys/param.h>
899 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
900 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
901 # think that we don't have <curses.h> if we're using GCC.
904 if test "$GCC" = yes; then
905 AC_DEFINE(_MSE_INT_H, 1,
906 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
907 Solaris 2.[789] when using GCC. ])
910 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
911 AC_CHECK_HEADERS(term.h, [], [],
917 # ------------------------- #
918 # Checks for declarations. #
919 # ------------------------- #
921 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
922 snprintf, vsnprintf])
925 # ----------------------- #
926 # Checks for structures. #
927 # ----------------------- #
929 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
931 # ------------------ #
932 # Checks for types. #
933 # ------------------ #
936 AC_CHECK_TYPES(socklen_t, [], [],
937 [#include <sys/types.h>
938 #include <sys/socket.h>
941 # ------------------------------------- #
942 # Checks for compiler characteristics. #
943 # ------------------------------------- #
949 # ------------------------------ #
950 # Checks for library functions. #
951 # ------------------------------ #
956 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
957 getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
958 sigaction sigprocmask sigsetmask socketpair syscall \
959 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
960 setrlimit getrlimit posix_madvise])
963 # Check the return and argument types of ptrace. No canned test for
964 # this, so roll our own.
967 # include <sys/types.h>
969 #if HAVE_SYS_PTRACE_H
970 # include <sys/ptrace.h>
976 # There is no point in checking if we don't have a prototype.
977 AC_CHECK_DECLS(ptrace, [], [
978 : ${gdb_cv_func_ptrace_ret='int'}
979 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
980 ], $gdb_ptrace_headers)
981 # Check return type. Varargs (used on GNU/Linux) conflict with the
982 # empty argument list, so check for that explicitly.
983 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
984 AC_TRY_COMPILE($gdb_ptrace_headers,
985 [extern long ptrace (enum __ptrace_request, ...);],
986 gdb_cv_func_ptrace_ret='long',
987 AC_TRY_COMPILE($gdb_ptrace_headers,
988 [extern int ptrace ();],
989 gdb_cv_func_ptrace_ret='int',
990 gdb_cv_func_ptrace_ret='long')))
991 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
992 [Define as the return type of ptrace.])
993 # Check argument types.
994 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
995 AC_TRY_COMPILE($gdb_ptrace_headers,
996 [extern long ptrace (enum __ptrace_request, ...);],
997 [gdb_cv_func_ptrace_args='int,int,long,long'],[
998 for gdb_arg1 in 'int' 'long'; do
999 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1000 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1001 for gdb_arg4 in 'int' 'long'; do
1002 AC_TRY_COMPILE($gdb_ptrace_headers, [
1003 extern $gdb_cv_func_ptrace_ret
1004 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1005 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1007 for gdb_arg5 in 'int *' 'int' 'long'; do
1008 AC_TRY_COMPILE($gdb_ptrace_headers, [
1009 extern $gdb_cv_func_ptrace_ret
1010 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1012 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1019 # Provide a safe default value.
1020 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1022 ac_save_IFS=$IFS; IFS=','
1023 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1026 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1027 [Define to the type of arg 3 for ptrace.])
1028 if test -n "$[5]"; then
1029 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1030 [Define to the type of arg 5 for ptrace.])
1033 dnl AC_FUNC_SETPGRP does not work when cross compiling
1034 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1035 if test "$cross_compiling" = no; then
1038 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1042 if (setpgrp(1,1) == -1)
1046 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1047 if test $ac_cv_func_setpgrp_void = yes; then
1048 AC_DEFINE(SETPGRP_VOID, 1)
1052 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1053 # since sigsetjmp might only be defined as a macro.
1054 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1057 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1058 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1059 if test $gdb_cv_func_sigsetjmp = yes; then
1060 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1063 # Assume we'll default to using the included libiberty regex.
1064 gdb_use_included_regex=yes
1066 # However, if the system regex is GNU regex, then default to *not*
1067 # using the included regex.
1070 [gdb_cv_have_gnu_regex],
1072 [#include <gnu-versions.h>],
1073 [#define REGEX_INTERFACE_VERSION 1
1074 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1075 # error "Version mismatch"
1077 gdb_cv_have_gnu_regex=yes,
1078 gdb_cv_have_gnu_regex=no)])
1079 if test $gdb_cv_have_gnu_regex = yes; then
1080 gdb_use_included_regex=no
1083 AC_ARG_WITH(included-regex,
1084 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1085 gdb_with_regex=$withval,
1086 gdb_with_regex=$gdb_use_included_regex)
1087 if test "$gdb_with_regex" = yes; then
1088 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1089 [Define to 1 if the regex included in libiberty should be used.])
1092 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1093 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1094 [#include <sys/param.h>
1095 #include <sys/proc.h>
1098 # See if <sys/lwp.h> defines `struct lwp`.
1099 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1100 [AC_TRY_COMPILE([#include <sys/param.h>
1101 #include <sys/lwp.h>], [struct lwp l;],
1102 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1103 if test $gdb_cv_struct_lwp = yes; then
1104 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1105 [Define to 1 if your system has struct lwp.])
1108 # See if <machine/reg.h> degines `struct reg'.
1109 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1110 [AC_TRY_COMPILE([#include <sys/types.h>
1111 #include <machine/reg.h>], [struct reg r;],
1112 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1113 if test $gdb_cv_struct_reg = yes; then
1114 AC_DEFINE(HAVE_STRUCT_REG, 1,
1115 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1118 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1119 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1120 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1121 [#include <machine/reg.h>])
1123 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1124 AC_MSG_CHECKING(for PTRACE_GETREGS)
1125 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1126 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1128 [gdb_cv_have_ptrace_getregs=yes],
1129 [gdb_cv_have_ptrace_getregs=no])])
1130 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1131 if test $gdb_cv_have_ptrace_getregs = yes; then
1132 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1133 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1136 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1137 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1138 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1139 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1140 [PTRACE_GETFPXREGS;],
1141 [gdb_cv_have_ptrace_getfpxregs=yes],
1142 [gdb_cv_have_ptrace_getfpxregs=no])])
1143 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1144 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1145 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1146 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1149 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1150 AC_MSG_CHECKING(for PT_GETDBREGS)
1151 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1152 [AC_TRY_COMPILE([#include <sys/types.h>
1153 #include <sys/ptrace.h>],
1155 [gdb_cv_have_pt_getdbregs=yes],
1156 [gdb_cv_have_pt_getdbregs=no])])
1157 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1158 if test $gdb_cv_have_pt_getdbregs = yes; then
1159 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1160 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1163 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1164 AC_MSG_CHECKING(for PT_GETXMMREGS)
1165 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1166 [AC_TRY_COMPILE([#include <sys/types.h>
1167 #include <sys/ptrace.h>],
1169 [gdb_cv_have_pt_getxmmregs=yes],
1170 [gdb_cv_have_pt_getxmmregs=no])])
1171 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1172 if test $gdb_cv_have_pt_getxmmregs = yes; then
1173 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1174 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1177 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1179 if test "${target}" = "${host}"; then
1181 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1182 AC_DEFINE(NEW_PROC_API, 1,
1183 [Define if you want to use new multi-fd /proc interface
1184 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1186 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1187 AC_DEFINE(NEW_PROC_API, 1,
1188 [Define if you want to use new multi-fd /proc interface
1189 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1192 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1193 AC_DEFINE([_KMEMUSER], 1,
1194 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1195 around a <sys/proc.h> problem on IRIX 5.])
1200 if test "$ac_cv_header_sys_procfs_h" = yes; then
1201 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1202 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1203 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1204 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1205 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1206 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1207 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1208 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1209 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1210 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1211 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1212 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1213 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1214 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1217 dnl Check for broken prfpregset_t type
1219 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1220 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1221 dnl instead of the struct itself). We detect this here, and work
1222 dnl around it in gdb_proc_service.h.
1224 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1225 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1226 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1227 [AC_TRY_RUN([#include <sys/procfs.h>
1230 if (sizeof (prfpregset_t) == sizeof (void *))
1234 gdb_cv_prfpregset_t_broken=no,
1235 gdb_cv_prfpregset_t_broken=yes,
1236 gdb_cv_prfpregset_t_broken=yes)])
1237 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1238 if test $gdb_cv_prfpregset_t_broken = yes; then
1239 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1240 [Define if the prfpregset_t type is broken.])
1244 dnl Check for PIOCSET ioctl entry
1246 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1247 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1248 [AC_TRY_COMPILE([#include <unistd.h>
1249 #include <sys/types.h>
1250 #include <sys/procfs.h>
1253 dummy = ioctl(0, PIOCSET, &dummy);
1255 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1256 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1257 if test $gdb_cv_have_procfs_piocset = yes; then
1258 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1259 [Define if ioctl argument PIOCSET is available.])
1263 dnl For native ports (host == target), check to see what kind of
1264 dnl legacy link.h support is needed. (See solib-legacy.c.)
1265 if test ${host} = ${target} ; then
1266 dnl Check for struct link_map with l_ members which are indicative
1267 dnl of SVR4-like shared libraries
1269 AC_MSG_CHECKING(for member l_addr in struct link_map)
1270 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1271 [AC_TRY_COMPILE([#include <link.h>],
1272 [struct link_map lm; (void) lm.l_addr;],
1273 gdb_cv_have_struct_link_map_with_l_members=yes,
1274 gdb_cv_have_struct_link_map_with_l_members=no)])
1275 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1276 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1277 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1278 [Define if <link.h> exists and defines struct link_map which has
1279 members with an ``l_'' prefix. (For Solaris, SVR4, and
1280 SVR4-like systems.)])
1283 dnl Check for struct link_map with lm_ members which are indicative
1284 dnl of SunOS-like shared libraries
1286 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1287 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1288 [AC_TRY_COMPILE([#include <sys/types.h>
1290 [struct link_map lm; (void) lm.lm_addr;],
1291 gdb_cv_have_struct_link_map_with_lm_members=yes,
1292 gdb_cv_have_struct_link_map_with_lm_members=no)])
1293 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1294 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1295 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1296 [Define if <link.h> exists and defines struct link_map which has
1297 members with an ``lm_'' prefix. (For SunOS.)])
1300 dnl Check for struct so_map with som_ members which are found on
1301 dnl some *BSD systems.
1303 AC_MSG_CHECKING(for member som_addr in struct so_map)
1304 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1305 [AC_TRY_COMPILE([#include <sys/types.h>
1310 [struct so_map lm; (void) lm.som_addr;],
1311 gdb_cv_have_struct_so_map_with_som_members=yes,
1312 gdb_cv_have_struct_so_map_with_som_members=no)])
1313 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1314 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1315 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1316 [Define if <link.h> exists and defines a struct so_map which has
1317 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1320 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1321 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1323 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1324 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1325 [AC_TRY_COMPILE([#define _SYSCALL32
1326 #include <sys/link.h>], [struct link_map32 l;],
1327 gdb_cv_have_struct_link_map32=yes,
1328 gdb_cv_have_struct_link_map32=no)])
1329 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1330 if test $gdb_cv_have_struct_link_map32 = yes; then
1331 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1332 [Define if <sys/link.h> has struct link_map32])
1333 AC_DEFINE(_SYSCALL32, 1,
1334 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1338 # Check if the compiler supports the `long long' type.
1340 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1341 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1342 [[extern long long foo;]],
1343 [[switch (foo & 2) { case 0: return 1; }]])],
1344 gdb_cv_c_long_long=yes,
1345 gdb_cv_c_long_long=no)])
1346 if test $gdb_cv_c_long_long = yes; then
1347 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1348 [Define to 1 if the compiler supports long long.])
1351 # Check if the compiler and runtime support printing long longs.
1353 AC_CACHE_CHECK([for long long support in printf],
1354 gdb_cv_printf_has_long_long,
1355 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1358 l = (l << 16) + 0x0123;
1359 l = (l << 16) + 0x4567;
1360 l = (l << 16) + 0x89ab;
1361 l = (l << 16) + 0xcdef;
1362 sprintf (buf, "0x%016llx", l);
1363 return (strcmp ("0x0123456789abcdef", buf));]])],
1364 gdb_cv_printf_has_long_long=yes,
1365 gdb_cv_printf_has_long_long=no,
1366 gdb_cv_printf_has_long_long=no)])
1367 if test $gdb_cv_printf_has_long_long = yes; then
1368 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1369 [Define to 1 if the "%ll" format works to print long longs.])
1372 # Check if the compiler and runtime support printing decfloats.
1374 AC_CACHE_CHECK([for decfloat support in printf],
1375 gdb_cv_printf_has_decfloat,
1376 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1378 _Decimal32 d32 = 1.2345df;
1379 _Decimal64 d64 = 1.2345dd;
1380 _Decimal128 d128 = 1.2345dl;
1381 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1382 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1383 gdb_cv_printf_has_decfloat=yes,
1384 gdb_cv_printf_has_decfloat=no,
1385 gdb_cv_printf_has_decfloat=no)])
1386 if test $gdb_cv_printf_has_decfloat = yes; then
1387 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1388 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1391 # Check if the compiler supports the `long double' type. We can't use
1392 # AC_C_LONG_DOUBLE because that one does additional checks on the
1393 # constants defined in <float.h> that fail on some systems,
1394 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1396 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1397 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1398 gdb_cv_c_long_double=yes,
1399 gdb_cv_c_long_double=no)])
1400 if test $gdb_cv_c_long_double = yes; then
1401 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1402 [Define to 1 if the compiler supports long double.])
1405 # Check if the compiler and runtime support printing long doubles.
1407 AC_CACHE_CHECK([for long double support in printf],
1408 gdb_cv_printf_has_long_double,
1409 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1411 long double f = 3.141592653;
1412 sprintf (buf, "%Lg", f);
1413 return (strncmp ("3.14159", buf, 7));]])],
1414 gdb_cv_printf_has_long_double=yes,
1415 gdb_cv_printf_has_long_double=no,
1416 gdb_cv_printf_has_long_double=no)])
1417 if test $gdb_cv_printf_has_long_double = yes; then
1418 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1419 [Define to 1 if the "%Lg" format works to print long doubles.])
1422 # Check if the compiler and runtime support scanning long doubles.
1424 AC_CACHE_CHECK([for long double support in scanf],
1425 gdb_cv_scanf_has_long_double,
1426 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1427 [[#include <stdio.h>]],
1428 [[char *buf = "3.141592653";
1430 sscanf (buf, "%Lg", &f);
1431 return !(f > 3.14159 && f < 3.14160);]])],
1432 gdb_cv_scanf_has_long_double=yes,
1433 gdb_cv_scanf_has_long_double=no,
1434 gdb_cv_scanf_has_long_double=no)])
1435 if test $gdb_cv_scanf_has_long_double = yes; then
1436 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1437 [Define to 1 if the "%Lg" format works to scan long doubles.])
1442 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1443 SAVE_LDFLAGS=$LDFLAGS
1446 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1447 *) gdb_cv_bigtoc=-bbigtoc ;;
1450 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1451 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1452 LDFLAGS="${SAVE_LDFLAGS}"
1454 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1458 AC_MSG_CHECKING(for the dynamic export flag)
1460 if test "${gdb_native}" = yes; then
1461 # The dynamically loaded libthread_db needs access to symbols in the gdb
1462 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1463 # may not be supported there.
1464 old_LDFLAGS="$LDFLAGS"
1465 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1466 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1467 LDFLAGS="$LDFLAGS $RDYNAMIC"
1468 if test "${have_libpython}" = no; then
1469 AC_TRY_LINK([], [], [dynamic_list=true])
1471 # Workaround http://bugs.python.org/issue4434 where static
1472 # libpythonX.Y.a would get its symbols required for
1473 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1474 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1475 old_CFLAGS="$CFLAGS"
1476 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1479 [#include "]${have_libpython}[/Python.h"],
1482 err = PyRun_SimpleString ("import itertools\n");
1484 return err == 0 ? 0 : 1;]),
1485 [dynamic_list=true], [], [true])
1486 CFLAGS="$old_CFLAGS"
1488 LDFLAGS="$old_LDFLAGS"
1490 if $dynamic_list; then
1491 found="-Wl,--dynamic-list"
1492 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1495 RDYNAMIC="-rdynamic"
1498 AC_MSG_RESULT($found)
1500 dnl For certain native configurations, we need to check whether thread
1501 dnl support can be built in or not.
1503 dnl Note that we only want this if we are both native (host == target),
1504 dnl and not doing a canadian cross build (build == host).
1506 if test ${build} = ${host} -a ${host} = ${target} ; then
1509 AC_MSG_CHECKING(for HPUX/OSF thread support)
1510 if test -f /usr/include/dce/cma_config.h ; then
1511 if test "$GCC" = "yes" ; then
1513 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1514 [Define if you have HPUX threads])
1515 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1516 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1518 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1525 # See if thread_db library is around for Solaris thread debugging.
1526 # Note that we must explicitly test for version 1 of the library
1527 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1529 AC_MSG_CHECKING(for Solaris thread debugging library)
1530 if test -f /usr/lib/libthread_db.so.1 ; then
1532 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1533 [Define if using Solaris thread debugging.])
1534 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1535 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1536 AC_CHECK_LIB(dl, dlopen)
1537 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1538 # Sun randomly tweaked the prototypes in <proc_service.h>
1540 AC_MSG_CHECKING(if <proc_service.h> is old)
1541 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1543 #include <proc_service.h>
1545 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1546 ],, gdb_cv_proc_service_is_old=no,
1547 gdb_cv_proc_service_is_old=yes)
1549 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1550 if test $gdb_cv_proc_service_is_old = yes; then
1551 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1552 [Define if <proc_service.h> on solaris uses int instead of
1553 size_t, and assorted other type changes.])
1560 AC_MSG_CHECKING(for AiX thread debugging library)
1561 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1562 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1563 [#ifndef PTHDB_VERSION_3
1566 gdb_cv_have_aix_thread_debug=yes,
1567 gdb_cv_have_aix_thread_debug=no)])
1568 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1569 if test $gdb_cv_have_aix_thread_debug = yes; then
1570 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1571 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1572 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1576 AC_SUBST(CONFIG_LDFLAGS)
1579 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1580 dnl other error codes.
1581 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1582 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1583 gdb_cv_thread_db_h_has_td_notalloc,
1585 [#include <thread_db.h>],
1586 [int i = TD_NOTALLOC;],
1587 gdb_cv_thread_db_h_has_td_notalloc=yes,
1588 gdb_cv_thread_db_h_has_td_notalloc=no
1591 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1592 gdb_cv_thread_db_h_has_td_version,
1594 [#include <thread_db.h>],
1595 [int i = TD_VERSION;],
1596 gdb_cv_thread_db_h_has_td_version=yes,
1597 gdb_cv_thread_db_h_has_td_version=no
1600 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1601 gdb_cv_thread_db_h_has_td_notls,
1603 [#include <thread_db.h>],
1604 [int i = TD_NOTLS;],
1605 gdb_cv_thread_db_h_has_td_notls=yes,
1606 gdb_cv_thread_db_h_has_td_notls=no
1610 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1611 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1612 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1614 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1615 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1616 [Define if <thread_db.h> has the TD_VERSION error code.])
1618 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1619 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1620 [Define if <thread_db.h> has the TD_NOTLS error code.])
1623 dnl See if we have a sys/syscall header file that has __NR_tkill.
1624 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1625 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1626 gdb_cv_sys_syscall_h_has_tkill,
1628 [#include <sys/syscall.h>],
1629 [int i = __NR_tkill;],
1630 gdb_cv_sys_syscall_h_has_tkill=yes,
1631 gdb_cv_sys_syscall_h_has_tkill=no
1635 dnl See if we can issue tkill syscall.
1636 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1637 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1640 dnl Check if we can disable the virtual address space randomization.
1641 dnl The functionality of setarch -R.
1642 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1643 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1644 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1645 # define ADDR_NO_RANDOMIZE 0x0040000
1647 /* Test the flag could be set and stays set. */
1648 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1649 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1651 AC_RUN_IFELSE([PERSONALITY_TEST],
1652 [have_personality=true],
1653 [have_personality=false],
1654 [AC_LINK_IFELSE([PERSONALITY_TEST],
1655 [have_personality=true],
1656 [have_personality=false])])
1657 if $have_personality
1659 AC_DEFINE([HAVE_PERSONALITY], 1,
1660 [Define if you support the personality syscall.])
1663 dnl Handle optional features that can be enabled.
1665 target_sysroot_reloc=0
1666 AC_ARG_WITH(sysroot,
1667 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1669 case ${with_sysroot} in
1670 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1671 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1674 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1676 if test "x$prefix" = xNONE; then
1677 test_prefix=/usr/local
1681 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1682 test_exec_prefix=$test_prefix
1684 test_exec_prefix=$exec_prefix
1686 case ${TARGET_SYSTEM_ROOT} in
1687 "${test_prefix}"|"${test_prefix}/"*|\
1688 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1689 '${prefix}'|'${prefix}/'*|\
1690 '${exec_prefix}'|'${exec_prefix}/'*)
1691 target_sysroot_reloc=1
1696 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1698 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1699 AC_SUBST(TARGET_SYSTEM_ROOT)
1700 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1702 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1703 [automatically load a system-wide gdbinit file],
1706 AC_ARG_ENABLE(werror,
1707 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1708 [case "${enableval}" in
1709 yes | y) ERROR_ON_WARNING="yes" ;;
1710 no | n) ERROR_ON_WARNING="no" ;;
1711 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1714 # Enable -Werror by default when using gcc
1715 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1716 ERROR_ON_WARNING=yes
1720 if test "${ERROR_ON_WARNING}" = yes ; then
1721 WERROR_CFLAGS="-Werror"
1724 # The entries after -Wno-pointer-sign are disabled warnings which may
1725 # be enabled in the future, which can not currently be used to build
1727 # NOTE: If you change this list, remember to update
1728 # gdb/doc/gdbint.texinfo.
1729 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1730 -Wformat-nonliteral -Wno-pointer-sign \
1731 -Wno-unused -Wunused-value -Wunused-function \
1732 -Wno-switch -Wno-char-subscripts"
1734 # Enable -Wno-format by default when using gcc on mingw since many
1735 # GCC versions complain about %I64.
1737 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1740 AC_ARG_ENABLE(build-warnings,
1741 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1742 [case "${enableval}" in
1744 no) build_warnings="-w";;
1745 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1746 build_warnings="${build_warnings} ${t}";;
1747 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1748 build_warnings="${t} ${build_warnings}";;
1749 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1751 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1752 echo "Setting compiler warning flags = $build_warnings" 6>&1
1754 AC_ARG_ENABLE(gdb-build-warnings,
1755 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1756 [case "${enableval}" in
1758 no) build_warnings="-w";;
1759 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1760 build_warnings="${build_warnings} ${t}";;
1761 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1762 build_warnings="${t} ${build_warnings}";;
1763 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1765 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1766 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1769 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1771 AC_MSG_CHECKING(compiler warning flags)
1772 # Separate out the -Werror flag as some files just cannot be
1773 # compiled with it enabled.
1774 for w in ${build_warnings}; do
1776 -Werr*) WERROR_CFLAGS=-Werror ;;
1777 *) # Check that GCC accepts it
1778 saved_CFLAGS="$CFLAGS"
1780 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1781 CFLAGS="$saved_CFLAGS"
1784 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1786 AC_SUBST(WARN_CFLAGS)
1787 AC_SUBST(WERROR_CFLAGS)
1789 # In the Cygwin environment, we need some additional flags.
1790 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1791 [AC_EGREP_CPP(lose, [
1792 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1794 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1797 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1798 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1800 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1801 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1802 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1804 AC_SUBST(SER_HARDWIRE)
1806 # libreadline needs libuser32.a in a cygwin environment
1808 if test x$gdb_cv_os_cygwin = xyes; then
1809 WIN32LIBS="-luser32"
1811 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1816 # The ser-tcp.c module requires sockets.
1819 AC_DEFINE(USE_WIN32API, 1,
1820 [Define if we should use the Windows API, instead of the
1821 POSIX API. On Windows, we use the Windows API when
1822 building for MinGW, but the POSIX API when building
1824 WIN32LIBS="$WIN32LIBS -lws2_32"
1829 # Add ELF support to GDB, but only if BFD includes ELF support.
1831 OLD_LDFLAGS=$LDFLAGS
1833 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1834 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1835 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1836 LIBS="-lbfd -liberty $intl $LIBS"
1837 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1839 [#include <stdlib.h>
1841 #include "elf-bfd.h"
1843 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1844 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1845 if test $gdb_cv_var_elf = yes; then
1846 CONFIG_OBS="$CONFIG_OBS elfread.o"
1847 AC_DEFINE(HAVE_ELF, 1,
1848 [Define if ELF support should be included.])
1851 LDFLAGS=$OLD_LDFLAGS
1854 # Add any host-specific objects to GDB.
1855 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1857 LIBGUI="../libgui/src/libgui.a"
1858 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1860 AC_SUBST(GUI_CFLAGS_X)
1864 AC_SUBST(WIN32LDAPP)
1867 *-*-cygwin* | *-*-mingw* )
1876 if test "${enable_gdbtk}" = "yes"; then
1878 # Gdbtk must have an absolute path to srcdir in order to run
1879 # properly when not installed.
1887 # If $no_tk is nonempty, then we can't do Tk, and there is no
1888 # point to doing Tcl.
1891 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1894 # Check for in-tree tcl
1901 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1905 # Find Tcl private headers
1906 if test x"${intree}" = xno; then
1907 CY_AC_TCL_PRIVATE_HEADERS
1908 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1909 TCL_LIBRARY="${TCL_LIB_SPEC}"
1912 # If building tcl in the same src tree, private headers
1913 # are not needed, but we need to be sure to use the right
1915 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1916 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1917 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1919 AC_SUBST(TCL_INCLUDE)
1920 AC_SUBST(TCL_LIBRARY)
1925 # Check for in-tree Tk
1927 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1931 # Find Tk private headers
1932 if test x"${intree}" = xno; then
1933 CY_AC_TK_PRIVATE_HEADERS
1934 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1935 TK_LIBRARY=${TK_LIB_SPEC}
1938 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1939 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1940 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1942 AC_SUBST(TK_INCLUDE)
1943 AC_SUBST(TK_LIBRARY)
1945 AC_SUBST(TK_XINCLUDES)
1947 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1949 # Include some libraries that Tcl and Tk want.
1950 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1951 # Yes, the ordering seems wrong here. But it isn't.
1952 # TK_LIBS is the list of libraries that need to be linked
1953 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1954 # were in LIBS then any link tests after this point would
1955 # try to include things like `$(LIBGUI)', which wouldn't work.
1956 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1958 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1959 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1960 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1961 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1962 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1963 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1964 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1966 if test x$gdb_cv_os_cygwin = xyes; then
1967 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1968 WIN32LDAPP="-Wl,--subsystem,console"
1969 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1972 AC_CONFIG_SUBDIRS(gdbtk)
1980 AC_SUBST(GDBTK_CFLAGS)
1981 AC_SUBST(GDBTK_SRC_DIR)
1985 # Unlike the sim directory, whether a simulator is linked is controlled by
1986 # presence of a gdb_sim definition in the target configure.tgt entry.
1987 # This code just checks for a few cases where we'd like to ignore those
1988 # definitions, even when they're present in the '.mt' file. These cases
1989 # are when --disable-sim is specified, or if the simulator directory is
1990 # not part of the source tree.
1993 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
1994 [echo "enable_sim = $enable_sim";
1995 echo "enableval = ${enableval}";
1996 case "${enableval}" in
1997 yes) ignore_sim=false ;;
1998 no) ignore_sim=true ;;
1999 *) ignore_sim=false ;;
2003 if test ! -d "${srcdir}/../sim"; then
2009 if test "${ignore_sim}" = "false"; then
2010 if test x"${gdb_sim}" != x ; then
2012 SIM_OBS="remote-sim.o"
2013 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2019 AC_SUBST(ENABLE_CFLAGS)
2020 AC_SUBST(PROFILE_CFLAGS)
2022 AC_SUBST(CONFIG_OBS)
2023 AC_SUBST(CONFIG_DEPS)
2024 AC_SUBST(CONFIG_SRCS)
2025 AC_SUBST(CONFIG_ALL)
2026 AC_SUBST(CONFIG_CLEAN)
2027 AC_SUBST(CONFIG_INSTALL)
2028 AC_SUBST(CONFIG_UNINSTALL)
2030 # List of host floatformats.
2031 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2032 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2033 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2035 # target_subdir is used by the testsuite to find the target libraries.
2037 if test "${host}" != "${target}"; then
2038 target_subdir="${target_alias}/"
2040 AC_SUBST(target_subdir)
2043 if test "${gdb_native}" = "yes"; then
2044 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2045 if test ! -f ${host_makefile_frag}; then
2046 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2048 frags="$frags $host_makefile_frag"
2050 host_makefile_frag=/dev/null
2053 AC_SUBST_FILE(host_makefile_frag)
2057 if test "${gdb_native}" = "yes"; then
2058 # We pick this up from the host configuration file (.mh) because we
2059 # do not have a native configuration Makefile fragment.
2060 nativefile=`sed -n '
2061 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2062 ' ${host_makefile_frag}`
2066 if test x"${gdb_osabi}" != x ; then
2067 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2068 [Define to the default OS ABI for this configuration.])
2071 # Enable multi-ice-gdb-server.
2072 AC_ARG_ENABLE(multi-ice,
2073 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2077 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2079 if test "x$enable_multi_ice" = xyes; then
2080 AC_CONFIG_SUBDIRS(multi-ice)
2083 # We only build gdbserver automatically in a native configuration.
2084 if test "$gdb_native" = "yes"; then
2085 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2086 if test "x$build_gdbserver" = xyes; then
2088 AC_CONFIG_SUBDIRS(gdbserver)
2094 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2095 # to an empty version.
2101 if test "${nativefile}" != ""; then
2102 case "${nativefile}" in
2103 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2104 * ) GDB_NM_FILE="${nativefile}"
2106 files="${files} ${GDB_NM_FILE}"
2107 links="${links} nm.h"
2108 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2110 AC_SUBST(GDB_NM_FILE)
2112 AC_LINK_FILES($files, $links)
2114 dnl Check for exe extension set on certain hosts (e.g. Win32)
2117 dnl Detect the character set used by this host.
2118 dnl At the moment, we just assume it's UTF-8.
2119 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2120 [Define to be a string naming the default host character set.])
2122 AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
2124 case x$CONFIG_HEADERS in
2125 xconfig.h:config.in)