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(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
541 READLINE_TEXI_INCFLAG=
543 # readline-6.0 started to use the name `_rl_echoing_p'.
544 # `$(READLINE_DIR)/' of bundled readline would not resolve in configure.
546 AC_MSG_CHECKING([for readline_echoing_p])
548 LIBS="$LIBS $READLINE"
549 AC_LINK_IFELSE(AC_LANG_PROGRAM(,[[extern int readline_echoing_p;
550 return readline_echoing_p;]]),
551 [READLINE_ECHOING_P=yes],
552 [READLINE_ECHOING_P=no
553 AC_DEFINE([readline_echoing_p], [_rl_echoing_p],
554 [readline-6.0 started to use different name.])])
556 AC_MSG_RESULT([$READLINE_ECHOING_P])
558 READLINE='$(READLINE_DIR)/libreadline.a'
559 READLINE_DEPS='$(READLINE)'
560 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
561 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
564 AC_SUBST(READLINE_DEPS)
565 AC_SUBST(READLINE_CFLAGS)
566 AC_SUBST(READLINE_TEXI_INCFLAG)
569 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
570 [], [with_expat=auto])
571 AC_MSG_CHECKING([whether to use expat])
572 AC_MSG_RESULT([$with_expat])
574 if test "${with_expat}" = no; then
575 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
578 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
579 [XML_Parser p = XML_ParserCreate (0);])
580 if test "$HAVE_LIBEXPAT" != yes; then
581 if test "$with_expat" = yes; then
582 AC_MSG_ERROR([expat is missing or unusable])
584 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
588 LIBS="$LIBS $LIBEXPAT"
589 AC_CHECK_FUNCS(XML_StopParser)
594 dnl Utility to simplify finding libpython.
596 dnl $2 = the shell variable to assign the result to
597 dnl If libpython is found we store $version here.
598 dnl $3 = additional flags to add to CPPFLAGS
599 dnl $4 = additional flags to add to LIBS
601 AC_DEFUN([AC_TRY_LIBPYTHON],
604 define([have_libpython_var],$2)
607 AC_MSG_CHECKING([for ${version}])
608 save_CPPFLAGS=$CPPFLAGS
610 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
611 LIBS="$LIBS $new_LIBS"
612 found_usable_python=no
613 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]],
614 [[Py_Initialize ();]]),
615 [have_libpython_var=${version}
616 found_usable_python=yes],
617 [CPPFLAGS=$save_CPPFLAGS
619 AC_MSG_RESULT([${found_usable_python}])
622 dnl There are several different values for --with-python:
624 dnl no - Don't include python support.
625 dnl yes - Include python support, error if it's missing.
626 dnl If we find python in $PATH, use it to fetch configure options,
627 dnl otherwise assume the compiler can find it with no help from us.
628 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
629 dnl auto - Same as "yes", but if python is missing from the system,
630 dnl fall back to "no".
631 dnl /path/to/python/exec-prefix -
632 dnl Use the python located in this directory.
633 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
634 dnl the compilation parameters. Otherwise use
635 dnl -I/path/to/python/exec-prefix/include,
636 dnl -L/path/to/python/exec-prefix/lib.
637 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
638 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
639 dnl but is deprecated.
640 dnl /path/to/python/executable -
641 dnl Run python-config.py with this version of python to fetch the
642 dnl compilation parameters.
643 dnl NOTE: This needn't be the real python executable.
644 dnl In a cross-compilation scenario (build != host), this could be
645 dnl a shell script that provides what python-config.py provides for
646 dnl --ldflags, --includes, --exec-prefix.
647 dnl python-executable -
648 dnl Find python-executable in $PATH, and then handle the same as
649 dnl /path/to/python/executable.
651 dnl If a python program is specified, it is used to run python-config.py and
652 dnl is passed --ldflags, --includes, --exec-prefix.
655 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
656 [], [with_python=auto])
657 AC_MSG_CHECKING([whether to use python])
658 AC_MSG_RESULT([$with_python])
660 if test "${with_python}" = no; then
661 AC_MSG_WARN([python support disabled; some features may be unavailable.])
664 case "${with_python}" in
666 if test -d ${with_python}; then
667 # Assume the python binary is ${with_python}/bin/python.
668 python_prog="${with_python}/bin/python"
670 if test ! -x "${python_prog}"; then
671 # Fall back to gdb 7.0/7.1 behaviour.
673 python_prefix=${with_python}
675 elif test -x "${with_python}"; then
676 # While we can't run python compiled for $host (unless host == build),
677 # the user could write a script that provides the needed information,
678 # so we support that.
679 python_prog=${with_python}
682 AC_ERROR(invalid value for --with-python)
686 # Disallow --with-python=foo/bar.
687 AC_ERROR(invalid value for --with-python)
690 # The user has either specified auto, yes, or the name of the python
691 # program assumed to be in $PATH.
693 case "${with_python}" in
695 if test ${build} = ${host}; then
696 AC_PATH_PROG(python_prog_path, python, missing)
697 if test "${python_prog_path}" = missing; then
700 python_prog=${python_prog_path}
703 # Not much we can do except assume the cross-compiler will find the
709 # While we can't run python compiled for $host (unless host == build),
710 # the user could write a script that provides the needed information,
711 # so we support that.
712 python_prog="${with_python}"
713 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
714 if test "${python_prog_path}" = missing; then
715 AC_ERROR(unable to find python program ${python_prog})
721 if test "${python_prog}" != missing; then
722 # We have a python program to use, but it may be too old.
723 # Don't flag an error for --with-python=auto (the default).
724 have_python_config=yes
725 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
726 if test $? != 0; then
727 have_python_config=failed
728 if test "${with_python}" != auto; then
729 AC_ERROR(failure running python-config --includes)
732 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
733 if test $? != 0; then
734 have_python_config=failed
735 if test "${with_python}" != auto; then
736 AC_ERROR(failure running python-config --ldflags)
739 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
740 if test $? != 0; then
741 have_python_config=failed
742 if test "${with_python}" != auto; then
743 AC_ERROR(failure running python-config --exec-prefix)
747 # Fall back to gdb 7.0/7.1 behaviour.
748 if test -z ${python_prefix}; then
752 python_includes="-I${python_prefix}/include"
753 python_libs="-L${python_prefix}/lib"
755 have_python_config=no
758 # Having "/pythonX.Y" in the include path is awkward.
759 # All those python headers get bubbled up to the top inviting lots
760 # of random collisions. GDB originally didn't use python-config to
761 # find the compilation parameters and includes "pythonX.Y/" in the
762 # path of the, umm, include file. So strip away this part of the
763 # output of python-config --includes.
764 python_includes=`echo "${python_includes} " \
765 | sed -e 's,/python[[0-9]]*[[.]][[0-9]]* , ,g'`
767 # If we have python-config, only try the configuration it provides.
768 # Otherwise fallback on the old way of trying different versions of
772 if test "${have_python_config}" = yes; then
773 python_version=`echo " ${python_libs} " \
774 | sed -e 's,^.* -l\(python[[0-9]]*[[.]][[0-9]]*\) .*$,\1,'`
775 case "${python_version}" in
777 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
778 ${python_includes}, ${python_libs})
781 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
784 elif test "${have_python_config}" != failed; then
785 if test "${have_libpython}" = no; then
786 AC_TRY_LIBPYTHON(python2.7, have_libpython,
787 ${python_includes}, "${python_libs} -lpython2.7")
789 if test "${have_libpython}" = no; then
790 AC_TRY_LIBPYTHON(python2.6, have_libpython,
791 ${python_includes}, "${python_libs} -lpython2.6")
793 if test ${have_libpython} = no; then
794 AC_TRY_LIBPYTHON(python2.5, have_libpython,
795 ${python_includes}, "${python_libs} -lpython2.5")
797 if test ${have_libpython} = no; then
798 AC_TRY_LIBPYTHON(python2.4, have_libpython,
799 ${python_includes}, "${python_libs} -lpython2.4")
802 if test "${have_libpython}" = python2.7; then
803 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
804 elif test "${have_libpython}" = python2.6; then
805 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
806 elif test "${have_libpython}" = python2.5; then
807 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
808 elif test "${have_libpython}" = python2.4; then
809 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
812 if test "${have_libpython}" = no; then
813 case "${with_python}" in
815 AC_MSG_ERROR([python is missing or unusable])
818 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
821 AC_MSG_ERROR([no usable python found at ${with_python}])
825 if test -n "${python_prefix}"; then
826 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
827 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
828 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
833 if test "${have_libpython}" != no; then
834 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
835 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
836 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
837 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
838 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
839 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
841 # Flags needed to compile Python code (taken from python-config --cflags).
842 # We cannot call python-config directly because it will output whatever was
843 # used when compiling the Python interpreter itself, including flags which
844 # would make the python-related objects be compiled differently from the
845 # rest of GDB (e.g., -O2 and -fPIC).
846 if test "${GCC}" = yes; then
847 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
850 if test "x${tentative_python_cflags}" != x; then
851 AC_MSG_CHECKING(compiler flags for python code)
852 for flag in ${tentative_python_cflags}; do
853 # Check that the compiler accepts it
854 saved_CFLAGS="$CFLAGS"
855 CFLAGS="$CFLAGS $flag"
856 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
857 CFLAGS="$saved_CFLAGS"
859 AC_MSG_RESULT(${PYTHON_CFLAGS})
862 # Even if Python support is not compiled in, we need to have these files
864 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
865 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
866 python/py-prettyprint.c python/py-auto-load.c"
868 AC_SUBST(PYTHON_CFLAGS)
870 # ------------------------- #
871 # Checks for header files. #
872 # ------------------------- #
877 # elf_hp.h is for HP/UX 64-bit shared library support.
878 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
879 # unconditionally, so what's the point in checking these?
880 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
881 thread_db.h gnu/libc-version.h signal.h stddef.h \
882 stdlib.h string.h memory.h strings.h sys/fault.h \
883 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
884 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
885 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
886 sys/types.h sys/wait.h wait.h termios.h termio.h \
887 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
888 AC_CHECK_HEADERS(link.h, [], [],
889 [#if HAVE_SYS_TYPES_H
890 # include <sys/types.h>
896 AC_CHECK_HEADERS(sys/proc.h, [], [],
897 [#if HAVE_SYS_PARAM_H
898 # include <sys/param.h>
901 AC_CHECK_HEADERS(sys/user.h, [], [],
902 [#if HAVE_SYS_PARAM_H
903 # include <sys/param.h>
907 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
908 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
909 # think that we don't have <curses.h> if we're using GCC.
912 if test "$GCC" = yes; then
913 AC_DEFINE(_MSE_INT_H, 1,
914 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
915 Solaris 2.[789] when using GCC. ])
918 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
919 AC_CHECK_HEADERS(term.h, [], [],
925 # ------------------------- #
926 # Checks for declarations. #
927 # ------------------------- #
929 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
930 snprintf, vsnprintf])
933 # ----------------------- #
934 # Checks for structures. #
935 # ----------------------- #
937 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
939 # ------------------ #
940 # Checks for types. #
941 # ------------------ #
944 AC_CHECK_TYPES(socklen_t, [], [],
945 [#include <sys/types.h>
946 #include <sys/socket.h>
949 # ------------------------------------- #
950 # Checks for compiler characteristics. #
951 # ------------------------------------- #
957 # ------------------------------ #
958 # Checks for library functions. #
959 # ------------------------------ #
964 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
965 getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
966 sigaction sigprocmask sigsetmask socketpair syscall \
967 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
968 setrlimit getrlimit posix_madvise waitpid])
971 # Check the return and argument types of ptrace. No canned test for
972 # this, so roll our own.
975 # include <sys/types.h>
977 #if HAVE_SYS_PTRACE_H
978 # include <sys/ptrace.h>
984 # There is no point in checking if we don't have a prototype.
985 AC_CHECK_DECLS(ptrace, [], [
986 : ${gdb_cv_func_ptrace_ret='int'}
987 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
988 ], $gdb_ptrace_headers)
989 # Check return type. Varargs (used on GNU/Linux) conflict with the
990 # empty argument list, so check for that explicitly.
991 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
992 AC_TRY_COMPILE($gdb_ptrace_headers,
993 [extern long ptrace (enum __ptrace_request, ...);],
994 gdb_cv_func_ptrace_ret='long',
995 AC_TRY_COMPILE($gdb_ptrace_headers,
996 [extern int ptrace ();],
997 gdb_cv_func_ptrace_ret='int',
998 gdb_cv_func_ptrace_ret='long')))
999 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1000 [Define as the return type of ptrace.])
1001 # Check argument types.
1002 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1003 AC_TRY_COMPILE($gdb_ptrace_headers,
1004 [extern long ptrace (enum __ptrace_request, ...);],
1005 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1006 for gdb_arg1 in 'int' 'long'; do
1007 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1008 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1009 for gdb_arg4 in 'int' 'long'; do
1010 AC_TRY_COMPILE($gdb_ptrace_headers, [
1011 extern $gdb_cv_func_ptrace_ret
1012 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1013 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1015 for gdb_arg5 in 'int *' 'int' 'long'; do
1016 AC_TRY_COMPILE($gdb_ptrace_headers, [
1017 extern $gdb_cv_func_ptrace_ret
1018 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1020 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1027 # Provide a safe default value.
1028 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1030 ac_save_IFS=$IFS; IFS=','
1031 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1034 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1035 [Define to the type of arg 3 for ptrace.])
1036 if test -n "$[5]"; then
1037 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1038 [Define to the type of arg 5 for ptrace.])
1041 dnl AC_FUNC_SETPGRP does not work when cross compiling
1042 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1043 if test "$cross_compiling" = no; then
1046 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1050 if (setpgrp(1,1) == -1)
1054 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1055 if test $ac_cv_func_setpgrp_void = yes; then
1056 AC_DEFINE(SETPGRP_VOID, 1)
1060 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1061 # since sigsetjmp might only be defined as a macro.
1062 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1065 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1066 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1067 if test $gdb_cv_func_sigsetjmp = yes; then
1068 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1071 # Assume we'll default to using the included libiberty regex.
1072 gdb_use_included_regex=yes
1074 # However, if the system regex is GNU regex, then default to *not*
1075 # using the included regex.
1078 [gdb_cv_have_gnu_regex],
1080 [#include <gnu-versions.h>],
1081 [#define REGEX_INTERFACE_VERSION 1
1082 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1083 # error "Version mismatch"
1085 gdb_cv_have_gnu_regex=yes,
1086 gdb_cv_have_gnu_regex=no)])
1087 if test $gdb_cv_have_gnu_regex = yes; then
1088 gdb_use_included_regex=no
1091 AC_ARG_WITH(included-regex,
1092 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1093 gdb_with_regex=$withval,
1094 gdb_with_regex=$gdb_use_included_regex)
1095 if test "$gdb_with_regex" = yes; then
1096 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1097 [Define to 1 if the regex included in libiberty should be used.])
1100 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1101 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1102 [#include <sys/param.h>
1103 #include <sys/proc.h>
1106 # See if <sys/lwp.h> defines `struct lwp`.
1107 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1108 [AC_TRY_COMPILE([#include <sys/param.h>
1109 #include <sys/lwp.h>], [struct lwp l;],
1110 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1111 if test $gdb_cv_struct_lwp = yes; then
1112 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1113 [Define to 1 if your system has struct lwp.])
1116 # See if <machine/reg.h> degines `struct reg'.
1117 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1118 [AC_TRY_COMPILE([#include <sys/types.h>
1119 #include <machine/reg.h>], [struct reg r;],
1120 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1121 if test $gdb_cv_struct_reg = yes; then
1122 AC_DEFINE(HAVE_STRUCT_REG, 1,
1123 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1126 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1127 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1128 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1129 [#include <machine/reg.h>])
1131 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1132 AC_MSG_CHECKING(for PTRACE_GETREGS)
1133 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1134 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1136 [gdb_cv_have_ptrace_getregs=yes],
1137 [gdb_cv_have_ptrace_getregs=no])])
1138 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1139 if test $gdb_cv_have_ptrace_getregs = yes; then
1140 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1141 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1144 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1145 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1146 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1147 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1148 [PTRACE_GETFPXREGS;],
1149 [gdb_cv_have_ptrace_getfpxregs=yes],
1150 [gdb_cv_have_ptrace_getfpxregs=no])])
1151 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1152 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1153 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1154 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1157 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1158 AC_MSG_CHECKING(for PT_GETDBREGS)
1159 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1160 [AC_TRY_COMPILE([#include <sys/types.h>
1161 #include <sys/ptrace.h>],
1163 [gdb_cv_have_pt_getdbregs=yes],
1164 [gdb_cv_have_pt_getdbregs=no])])
1165 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1166 if test $gdb_cv_have_pt_getdbregs = yes; then
1167 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1168 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1171 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1172 AC_MSG_CHECKING(for PT_GETXMMREGS)
1173 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1174 [AC_TRY_COMPILE([#include <sys/types.h>
1175 #include <sys/ptrace.h>],
1177 [gdb_cv_have_pt_getxmmregs=yes],
1178 [gdb_cv_have_pt_getxmmregs=no])])
1179 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1180 if test $gdb_cv_have_pt_getxmmregs = yes; then
1181 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1182 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1185 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1187 if test "${target}" = "${host}"; then
1189 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1190 AC_DEFINE(NEW_PROC_API, 1,
1191 [Define if you want to use new multi-fd /proc interface
1192 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1194 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1195 AC_DEFINE(NEW_PROC_API, 1,
1196 [Define if you want to use new multi-fd /proc interface
1197 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1200 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1201 AC_DEFINE([_KMEMUSER], 1,
1202 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1203 around a <sys/proc.h> problem on IRIX 5.])
1208 if test "$ac_cv_header_sys_procfs_h" = yes; then
1209 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1210 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1211 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1212 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1213 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1214 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1215 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1216 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1217 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1218 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1219 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1220 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1221 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1222 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1225 dnl Check for broken prfpregset_t type
1227 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1228 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1229 dnl instead of the struct itself). We detect this here, and work
1230 dnl around it in gdb_proc_service.h.
1232 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1233 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1234 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1235 [AC_TRY_RUN([#include <sys/procfs.h>
1238 if (sizeof (prfpregset_t) == sizeof (void *))
1242 gdb_cv_prfpregset_t_broken=no,
1243 gdb_cv_prfpregset_t_broken=yes,
1244 gdb_cv_prfpregset_t_broken=yes)])
1245 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1246 if test $gdb_cv_prfpregset_t_broken = yes; then
1247 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1248 [Define if the prfpregset_t type is broken.])
1252 dnl Check for PIOCSET ioctl entry
1254 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1255 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1256 [AC_TRY_COMPILE([#include <unistd.h>
1257 #include <sys/types.h>
1258 #include <sys/procfs.h>
1261 dummy = ioctl(0, PIOCSET, &dummy);
1263 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1264 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1265 if test $gdb_cv_have_procfs_piocset = yes; then
1266 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1267 [Define if ioctl argument PIOCSET is available.])
1271 dnl For native ports (host == target), check to see what kind of
1272 dnl legacy link.h support is needed. (See solib-legacy.c.)
1273 if test ${host} = ${target} ; then
1274 dnl Check for struct link_map with l_ members which are indicative
1275 dnl of SVR4-like shared libraries
1277 AC_MSG_CHECKING(for member l_addr in struct link_map)
1278 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1279 [AC_TRY_COMPILE([#include <link.h>],
1280 [struct link_map lm; (void) lm.l_addr;],
1281 gdb_cv_have_struct_link_map_with_l_members=yes,
1282 gdb_cv_have_struct_link_map_with_l_members=no)])
1283 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1284 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1285 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1286 [Define if <link.h> exists and defines struct link_map which has
1287 members with an ``l_'' prefix. (For Solaris, SVR4, and
1288 SVR4-like systems.)])
1291 dnl Check for struct link_map with lm_ members which are indicative
1292 dnl of SunOS-like shared libraries
1294 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1295 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1296 [AC_TRY_COMPILE([#include <sys/types.h>
1298 [struct link_map lm; (void) lm.lm_addr;],
1299 gdb_cv_have_struct_link_map_with_lm_members=yes,
1300 gdb_cv_have_struct_link_map_with_lm_members=no)])
1301 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1302 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1303 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1304 [Define if <link.h> exists and defines struct link_map which has
1305 members with an ``lm_'' prefix. (For SunOS.)])
1308 dnl Check for struct so_map with som_ members which are found on
1309 dnl some *BSD systems.
1311 AC_MSG_CHECKING(for member som_addr in struct so_map)
1312 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1313 [AC_TRY_COMPILE([#include <sys/types.h>
1318 [struct so_map lm; (void) lm.som_addr;],
1319 gdb_cv_have_struct_so_map_with_som_members=yes,
1320 gdb_cv_have_struct_so_map_with_som_members=no)])
1321 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1322 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1323 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1324 [Define if <link.h> exists and defines a struct so_map which has
1325 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1328 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1329 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1331 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1332 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1333 [AC_TRY_COMPILE([#define _SYSCALL32
1334 #include <sys/link.h>], [struct link_map32 l;],
1335 gdb_cv_have_struct_link_map32=yes,
1336 gdb_cv_have_struct_link_map32=no)])
1337 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1338 if test $gdb_cv_have_struct_link_map32 = yes; then
1339 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1340 [Define if <sys/link.h> has struct link_map32])
1341 AC_DEFINE(_SYSCALL32, 1,
1342 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1346 # Check if the compiler supports the `long long' type.
1348 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1349 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1350 [[extern long long foo;]],
1351 [[switch (foo & 2) { case 0: return 1; }]])],
1352 gdb_cv_c_long_long=yes,
1353 gdb_cv_c_long_long=no)])
1354 if test $gdb_cv_c_long_long = yes; then
1355 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1356 [Define to 1 if the compiler supports long long.])
1359 # Check if the compiler and runtime support printing long longs.
1361 AC_CACHE_CHECK([for long long support in printf],
1362 gdb_cv_printf_has_long_long,
1363 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1366 l = (l << 16) + 0x0123;
1367 l = (l << 16) + 0x4567;
1368 l = (l << 16) + 0x89ab;
1369 l = (l << 16) + 0xcdef;
1370 sprintf (buf, "0x%016llx", l);
1371 return (strcmp ("0x0123456789abcdef", buf));]])],
1372 gdb_cv_printf_has_long_long=yes,
1373 gdb_cv_printf_has_long_long=no,
1374 gdb_cv_printf_has_long_long=no)])
1375 if test $gdb_cv_printf_has_long_long = yes; then
1376 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1377 [Define to 1 if the "%ll" format works to print long longs.])
1380 # Check if the compiler and runtime support printing decfloats.
1382 AC_CACHE_CHECK([for decfloat support in printf],
1383 gdb_cv_printf_has_decfloat,
1384 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1386 _Decimal32 d32 = 1.2345df;
1387 _Decimal64 d64 = 1.2345dd;
1388 _Decimal128 d128 = 1.2345dl;
1389 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1390 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1391 gdb_cv_printf_has_decfloat=yes,
1392 gdb_cv_printf_has_decfloat=no,
1393 gdb_cv_printf_has_decfloat=no)])
1394 if test $gdb_cv_printf_has_decfloat = yes; then
1395 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1396 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1399 # Check if the compiler supports the `long double' type. We can't use
1400 # AC_C_LONG_DOUBLE because that one does additional checks on the
1401 # constants defined in <float.h> that fail on some systems,
1402 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1404 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1405 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1406 gdb_cv_c_long_double=yes,
1407 gdb_cv_c_long_double=no)])
1408 if test $gdb_cv_c_long_double = yes; then
1409 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1410 [Define to 1 if the compiler supports long double.])
1413 # Check if the compiler and runtime support printing long doubles.
1415 AC_CACHE_CHECK([for long double support in printf],
1416 gdb_cv_printf_has_long_double,
1417 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1419 long double f = 3.141592653;
1420 sprintf (buf, "%Lg", f);
1421 return (strncmp ("3.14159", buf, 7));]])],
1422 gdb_cv_printf_has_long_double=yes,
1423 gdb_cv_printf_has_long_double=no,
1424 gdb_cv_printf_has_long_double=no)])
1425 if test $gdb_cv_printf_has_long_double = yes; then
1426 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1427 [Define to 1 if the "%Lg" format works to print long doubles.])
1430 # Check if the compiler and runtime support scanning long doubles.
1432 AC_CACHE_CHECK([for long double support in scanf],
1433 gdb_cv_scanf_has_long_double,
1434 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1435 [[#include <stdio.h>]],
1436 [[char *buf = "3.141592653";
1438 sscanf (buf, "%Lg", &f);
1439 return !(f > 3.14159 && f < 3.14160);]])],
1440 gdb_cv_scanf_has_long_double=yes,
1441 gdb_cv_scanf_has_long_double=no,
1442 gdb_cv_scanf_has_long_double=no)])
1443 if test $gdb_cv_scanf_has_long_double = yes; then
1444 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1445 [Define to 1 if the "%Lg" format works to scan long doubles.])
1450 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1451 SAVE_LDFLAGS=$LDFLAGS
1454 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1455 *) gdb_cv_bigtoc=-bbigtoc ;;
1458 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1459 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1460 LDFLAGS="${SAVE_LDFLAGS}"
1462 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1466 AC_MSG_CHECKING(for the dynamic export flag)
1468 if test "${gdb_native}" = yes; then
1469 # The dynamically loaded libthread_db needs access to symbols in the gdb
1470 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1471 # may not be supported there.
1472 old_LDFLAGS="$LDFLAGS"
1473 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1474 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1475 LDFLAGS="$LDFLAGS $RDYNAMIC"
1476 if test "${have_libpython}" = no; then
1477 AC_TRY_LINK([], [], [dynamic_list=true])
1479 # Workaround http://bugs.python.org/issue4434 where static
1480 # libpythonX.Y.a would get its symbols required for
1481 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1482 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1483 old_CFLAGS="$CFLAGS"
1484 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1487 [#include "]${have_libpython}[/Python.h"],
1490 err = PyRun_SimpleString ("import itertools\n");
1492 return err == 0 ? 0 : 1;]),
1493 [dynamic_list=true], [], [true])
1494 CFLAGS="$old_CFLAGS"
1496 LDFLAGS="$old_LDFLAGS"
1498 if $dynamic_list; then
1499 found="-Wl,--dynamic-list"
1500 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1503 RDYNAMIC="-rdynamic"
1506 AC_MSG_RESULT($found)
1508 dnl For certain native configurations, we need to check whether thread
1509 dnl support can be built in or not.
1511 dnl Note that we only want this if we are both native (host == target),
1512 dnl and not doing a canadian cross build (build == host).
1514 if test ${build} = ${host} -a ${host} = ${target} ; then
1517 AC_MSG_CHECKING(for HPUX/OSF thread support)
1518 if test -f /usr/include/dce/cma_config.h ; then
1519 if test "$GCC" = "yes" ; then
1521 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1522 [Define if you have HPUX threads])
1523 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1524 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1526 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1533 # See if thread_db library is around for Solaris thread debugging.
1534 # Note that we must explicitly test for version 1 of the library
1535 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1537 AC_MSG_CHECKING(for Solaris thread debugging library)
1538 if test -f /usr/lib/libthread_db.so.1 ; then
1540 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1541 [Define if using Solaris thread debugging.])
1542 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1543 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1544 AC_CHECK_LIB(dl, dlopen)
1545 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1546 # Sun randomly tweaked the prototypes in <proc_service.h>
1548 AC_MSG_CHECKING(if <proc_service.h> is old)
1549 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1551 #include <proc_service.h>
1553 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1554 ],, gdb_cv_proc_service_is_old=no,
1555 gdb_cv_proc_service_is_old=yes)
1557 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1558 if test $gdb_cv_proc_service_is_old = yes; then
1559 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1560 [Define if <proc_service.h> on solaris uses int instead of
1561 size_t, and assorted other type changes.])
1568 AC_MSG_CHECKING(for AiX thread debugging library)
1569 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1570 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1571 [#ifndef PTHDB_VERSION_3
1574 gdb_cv_have_aix_thread_debug=yes,
1575 gdb_cv_have_aix_thread_debug=no)])
1576 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1577 if test $gdb_cv_have_aix_thread_debug = yes; then
1578 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1579 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1580 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1584 AC_SUBST(CONFIG_LDFLAGS)
1587 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1588 dnl other error codes.
1589 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1590 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1591 gdb_cv_thread_db_h_has_td_notalloc,
1593 [#include <thread_db.h>],
1594 [int i = TD_NOTALLOC;],
1595 gdb_cv_thread_db_h_has_td_notalloc=yes,
1596 gdb_cv_thread_db_h_has_td_notalloc=no
1599 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1600 gdb_cv_thread_db_h_has_td_version,
1602 [#include <thread_db.h>],
1603 [int i = TD_VERSION;],
1604 gdb_cv_thread_db_h_has_td_version=yes,
1605 gdb_cv_thread_db_h_has_td_version=no
1608 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1609 gdb_cv_thread_db_h_has_td_notls,
1611 [#include <thread_db.h>],
1612 [int i = TD_NOTLS;],
1613 gdb_cv_thread_db_h_has_td_notls=yes,
1614 gdb_cv_thread_db_h_has_td_notls=no
1618 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1619 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1620 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1622 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1623 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1624 [Define if <thread_db.h> has the TD_VERSION error code.])
1626 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1627 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1628 [Define if <thread_db.h> has the TD_NOTLS error code.])
1631 dnl See if we have a sys/syscall header file that has __NR_tkill.
1632 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1633 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1634 gdb_cv_sys_syscall_h_has_tkill,
1636 [#include <sys/syscall.h>],
1637 [int i = __NR_tkill;],
1638 gdb_cv_sys_syscall_h_has_tkill=yes,
1639 gdb_cv_sys_syscall_h_has_tkill=no
1643 dnl See if we can issue tkill syscall.
1644 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1645 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1648 dnl Check if we can disable the virtual address space randomization.
1649 dnl The functionality of setarch -R.
1650 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1651 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1652 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1653 # define ADDR_NO_RANDOMIZE 0x0040000
1655 /* Test the flag could be set and stays set. */
1656 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1657 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1659 AC_RUN_IFELSE([PERSONALITY_TEST],
1660 [have_personality=true],
1661 [have_personality=false],
1662 [AC_LINK_IFELSE([PERSONALITY_TEST],
1663 [have_personality=true],
1664 [have_personality=false])])
1665 if $have_personality
1667 AC_DEFINE([HAVE_PERSONALITY], 1,
1668 [Define if you support the personality syscall.])
1671 dnl Handle optional features that can be enabled.
1673 target_sysroot_reloc=0
1674 AC_ARG_WITH(sysroot,
1675 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1677 case ${with_sysroot} in
1678 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1679 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1682 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1684 if test "x$prefix" = xNONE; then
1685 test_prefix=/usr/local
1689 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1690 test_exec_prefix=$test_prefix
1692 test_exec_prefix=$exec_prefix
1694 case ${TARGET_SYSTEM_ROOT} in
1695 "${test_prefix}"|"${test_prefix}/"*|\
1696 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1697 '${prefix}'|'${prefix}/'*|\
1698 '${exec_prefix}'|'${exec_prefix}/'*)
1699 target_sysroot_reloc=1
1704 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1706 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1707 AC_SUBST(TARGET_SYSTEM_ROOT)
1708 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1710 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1711 [automatically load a system-wide gdbinit file],
1714 AC_ARG_ENABLE(werror,
1715 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1716 [case "${enableval}" in
1717 yes | y) ERROR_ON_WARNING="yes" ;;
1718 no | n) ERROR_ON_WARNING="no" ;;
1719 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1722 # Enable -Werror by default when using gcc
1723 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1724 ERROR_ON_WARNING=yes
1728 if test "${ERROR_ON_WARNING}" = yes ; then
1729 WERROR_CFLAGS="-Werror"
1732 # The entries after -Wno-pointer-sign are disabled warnings which may
1733 # be enabled in the future, which can not currently be used to build
1735 # NOTE: If you change this list, remember to update
1736 # gdb/doc/gdbint.texinfo.
1737 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1738 -Wformat-nonliteral -Wno-pointer-sign \
1739 -Wno-unused -Wunused-value -Wunused-function \
1740 -Wno-switch -Wno-char-subscripts"
1742 # Enable -Wno-format by default when using gcc on mingw since many
1743 # GCC versions complain about %I64.
1745 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1748 AC_ARG_ENABLE(build-warnings,
1749 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1750 [case "${enableval}" in
1752 no) build_warnings="-w";;
1753 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1754 build_warnings="${build_warnings} ${t}";;
1755 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1756 build_warnings="${t} ${build_warnings}";;
1757 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1759 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1760 echo "Setting compiler warning flags = $build_warnings" 6>&1
1762 AC_ARG_ENABLE(gdb-build-warnings,
1763 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1764 [case "${enableval}" in
1766 no) build_warnings="-w";;
1767 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1768 build_warnings="${build_warnings} ${t}";;
1769 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1770 build_warnings="${t} ${build_warnings}";;
1771 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1773 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1774 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1777 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1779 AC_MSG_CHECKING(compiler warning flags)
1780 # Separate out the -Werror flag as some files just cannot be
1781 # compiled with it enabled.
1782 for w in ${build_warnings}; do
1784 -Werr*) WERROR_CFLAGS=-Werror ;;
1785 *) # Check that GCC accepts it
1786 saved_CFLAGS="$CFLAGS"
1788 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1789 CFLAGS="$saved_CFLAGS"
1792 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1794 AC_SUBST(WARN_CFLAGS)
1795 AC_SUBST(WERROR_CFLAGS)
1797 # In the Cygwin environment, we need some additional flags.
1798 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1799 [AC_EGREP_CPP(lose, [
1800 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1802 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1805 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1806 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1808 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1809 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1810 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1812 AC_SUBST(SER_HARDWIRE)
1814 # libreadline needs libuser32.a in a cygwin environment
1816 if test x$gdb_cv_os_cygwin = xyes; then
1817 WIN32LIBS="-luser32"
1819 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1824 # The ser-tcp.c module requires sockets.
1827 AC_DEFINE(USE_WIN32API, 1,
1828 [Define if we should use the Windows API, instead of the
1829 POSIX API. On Windows, we use the Windows API when
1830 building for MinGW, but the POSIX API when building
1832 WIN32LIBS="$WIN32LIBS -lws2_32"
1837 # Add ELF support to GDB, but only if BFD includes ELF support.
1839 OLD_LDFLAGS=$LDFLAGS
1841 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1842 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1843 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1844 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1845 if test "$plugins" = "yes"; then
1848 LIBS="-lbfd -liberty $intl $LIBS"
1849 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1851 [#include <stdlib.h>
1853 #include "elf-bfd.h"
1855 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1856 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1857 if test $gdb_cv_var_elf = yes; then
1858 CONFIG_OBS="$CONFIG_OBS elfread.o"
1859 AC_DEFINE(HAVE_ELF, 1,
1860 [Define if ELF support should be included.])
1861 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1862 if test "$plugins" = "yes"; then
1863 OLD_LIBS="-ldl $OLD_LIBS"
1867 LDFLAGS=$OLD_LDFLAGS
1870 # Add any host-specific objects to GDB.
1871 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1873 LIBGUI="../libgui/src/libgui.a"
1874 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1876 AC_SUBST(GUI_CFLAGS_X)
1880 AC_SUBST(WIN32LDAPP)
1883 *-*-cygwin* | *-*-mingw* )
1892 if test "${enable_gdbtk}" = "yes"; then
1894 # Gdbtk must have an absolute path to srcdir in order to run
1895 # properly when not installed.
1903 # If $no_tk is nonempty, then we can't do Tk, and there is no
1904 # point to doing Tcl.
1907 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1910 # Check for in-tree tcl
1917 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1921 # Find Tcl private headers
1922 if test x"${intree}" = xno; then
1923 CY_AC_TCL_PRIVATE_HEADERS
1924 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1925 TCL_LIBRARY="${TCL_LIB_SPEC}"
1928 # If building tcl in the same src tree, private headers
1929 # are not needed, but we need to be sure to use the right
1931 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1932 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1933 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1935 AC_SUBST(TCL_INCLUDE)
1936 AC_SUBST(TCL_LIBRARY)
1941 # Check for in-tree Tk
1943 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1947 # Find Tk private headers
1948 if test x"${intree}" = xno; then
1949 CY_AC_TK_PRIVATE_HEADERS
1950 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1951 TK_LIBRARY=${TK_LIB_SPEC}
1954 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1955 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1956 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1958 AC_SUBST(TK_INCLUDE)
1959 AC_SUBST(TK_LIBRARY)
1961 AC_SUBST(TK_XINCLUDES)
1963 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1965 # Include some libraries that Tcl and Tk want.
1966 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1967 # Yes, the ordering seems wrong here. But it isn't.
1968 # TK_LIBS is the list of libraries that need to be linked
1969 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1970 # were in LIBS then any link tests after this point would
1971 # try to include things like `$(LIBGUI)', which wouldn't work.
1972 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1974 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1975 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1976 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1977 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1978 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1979 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1980 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1982 if test x$gdb_cv_os_cygwin = xyes; then
1983 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1984 WIN32LDAPP="-Wl,--subsystem,console"
1985 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1988 AC_CONFIG_SUBDIRS(gdbtk)
1996 AC_SUBST(GDBTK_CFLAGS)
1997 AC_SUBST(GDBTK_SRC_DIR)
2001 # Unlike the sim directory, whether a simulator is linked is controlled by
2002 # presence of a gdb_sim definition in the target configure.tgt entry.
2003 # This code just checks for a few cases where we'd like to ignore those
2004 # definitions, even when they're present in the '.mt' file. These cases
2005 # are when --disable-sim is specified, or if the simulator directory is
2006 # not part of the source tree.
2009 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2010 [echo "enable_sim = $enable_sim";
2011 echo "enableval = ${enableval}";
2012 case "${enableval}" in
2013 yes) ignore_sim=false ;;
2014 no) ignore_sim=true ;;
2015 *) ignore_sim=false ;;
2019 if test ! -d "${srcdir}/../sim"; then
2025 if test "${ignore_sim}" = "false"; then
2026 if test x"${gdb_sim}" != x ; then
2028 SIM_OBS="remote-sim.o"
2029 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2035 AC_SUBST(ENABLE_CFLAGS)
2036 AC_SUBST(PROFILE_CFLAGS)
2038 AC_SUBST(CONFIG_OBS)
2039 AC_SUBST(CONFIG_DEPS)
2040 AC_SUBST(CONFIG_SRCS)
2041 AC_SUBST(CONFIG_ALL)
2042 AC_SUBST(CONFIG_CLEAN)
2043 AC_SUBST(CONFIG_INSTALL)
2044 AC_SUBST(CONFIG_UNINSTALL)
2046 # List of host floatformats.
2047 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2048 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2049 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2051 # target_subdir is used by the testsuite to find the target libraries.
2053 if test "${host}" != "${target}"; then
2054 target_subdir="${target_alias}/"
2056 AC_SUBST(target_subdir)
2059 if test "${gdb_native}" = "yes"; then
2060 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2061 if test ! -f ${host_makefile_frag}; then
2062 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2064 frags="$frags $host_makefile_frag"
2066 host_makefile_frag=/dev/null
2069 AC_SUBST_FILE(host_makefile_frag)
2073 if test "${gdb_native}" = "yes"; then
2074 # We pick this up from the host configuration file (.mh) because we
2075 # do not have a native configuration Makefile fragment.
2076 nativefile=`sed -n '
2077 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2078 ' ${host_makefile_frag}`
2082 if test x"${gdb_osabi}" != x ; then
2083 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2084 [Define to the default OS ABI for this configuration.])
2087 # Enable multi-ice-gdb-server.
2088 AC_ARG_ENABLE(multi-ice,
2089 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2093 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2095 if test "x$enable_multi_ice" = xyes; then
2096 AC_CONFIG_SUBDIRS(multi-ice)
2099 AC_ARG_ENABLE(gdbserver,
2100 AS_HELP_STRING([--enable-gdbserver],
2101 [automatically build gdbserver (yes/no/auto, default is auto)]),
2102 [case "${enableval}" in
2104 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2105 esac],[enable_gdbserver=auto])
2107 # We only build gdbserver automatically in a native configuration, and
2108 # only if the user did not explicitly disable its build.
2109 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2110 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2111 if test "x$build_gdbserver" = xyes; then
2113 AC_CONFIG_SUBDIRS(gdbserver)
2114 gdbserver_build_enabled=yes
2120 # If the user explicitly request the gdbserver to be built, verify that
2121 # we were in fact able to enable it.
2122 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2123 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2126 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2127 # to an empty version.
2133 if test "${nativefile}" != ""; then
2134 case "${nativefile}" in
2135 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2136 * ) GDB_NM_FILE="${nativefile}"
2138 files="${files} ${GDB_NM_FILE}"
2139 links="${links} nm.h"
2140 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2142 AC_SUBST(GDB_NM_FILE)
2144 AC_LINK_FILES($files, $links)
2146 dnl Check for exe extension set on certain hosts (e.g. Win32)
2149 dnl Detect the character set used by this host.
2150 dnl At the moment, we just assume it's UTF-8.
2151 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2152 [Define to be a string naming the default host character set.])
2154 AC_OUTPUT(Makefile .gdbinit:gdbinit.in doc/Makefile gnulib/Makefile data-directory/Makefile,
2156 case x$CONFIG_HEADERS in
2157 xconfig.h:config.in)