1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 dnl 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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 $new_LIBS"
612 found_usable_python=no
613 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
614 [[Py_Initialize ();]]),
615 [have_libpython_var=${version}
616 found_usable_python=yes
617 PYTHON_CPPFLAGS=$new_CPPFLAGS
618 PYTHON_LIBS=$new_LIBS])
619 CPPFLAGS=$save_CPPFLAGS
621 AC_MSG_RESULT([${found_usable_python}])
624 dnl There are several different values for --with-python:
626 dnl no - Don't include python support.
627 dnl yes - Include python support, error if it's missing.
628 dnl If we find python in $PATH, use it to fetch configure options,
629 dnl otherwise assume the compiler can find it with no help from us.
630 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
631 dnl auto - Same as "yes", but if python is missing from the system,
632 dnl fall back to "no".
633 dnl /path/to/python/exec-prefix -
634 dnl Use the python located in this directory.
635 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
636 dnl the compilation parameters. Otherwise use
637 dnl -I/path/to/python/exec-prefix/include,
638 dnl -L/path/to/python/exec-prefix/lib.
639 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
640 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
641 dnl but is deprecated.
642 dnl /path/to/python/executable -
643 dnl Run python-config.py with this version of python to fetch the
644 dnl compilation parameters.
645 dnl NOTE: This needn't be the real python executable.
646 dnl In a cross-compilation scenario (build != host), this could be
647 dnl a shell script that provides what python-config.py provides for
648 dnl --ldflags, --includes, --exec-prefix.
649 dnl python-executable -
650 dnl Find python-executable in $PATH, and then handle the same as
651 dnl /path/to/python/executable.
653 dnl If a python program is specified, it is used to run python-config.py and
654 dnl is passed --ldflags, --includes, --exec-prefix.
657 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
658 [], [with_python=auto])
659 AC_MSG_CHECKING([whether to use python])
660 AC_MSG_RESULT([$with_python])
662 if test "${with_python}" = no; then
663 AC_MSG_WARN([python support disabled; some features may be unavailable.])
666 case "${with_python}" in
668 if test -d ${with_python}; then
669 # Assume the python binary is ${with_python}/bin/python.
670 python_prog="${with_python}/bin/python"
672 # If python does not exit ${with_python}/bin, then try in
673 # ${with_python}. On Windows/MinGW, this is where the Python
675 if test ! -x "${python_prog}"; then
676 python_prog="${with_python}/python"
679 if test ! -x "${python_prog}"; then
680 # Fall back to gdb 7.0/7.1 behaviour.
682 python_prefix=${with_python}
684 elif test -x "${with_python}"; then
685 # While we can't run python compiled for $host (unless host == build),
686 # the user could write a script that provides the needed information,
687 # so we support that.
688 python_prog=${with_python}
691 AC_ERROR(invalid value for --with-python)
695 # Disallow --with-python=foo/bar.
696 AC_ERROR(invalid value for --with-python)
699 # The user has either specified auto, yes, or the name of the python
700 # program assumed to be in $PATH.
702 case "${with_python}" in
704 if test ${build} = ${host}; then
705 AC_PATH_PROG(python_prog_path, python, missing)
706 if test "${python_prog_path}" = missing; then
709 python_prog=${python_prog_path}
712 # Not much we can do except assume the cross-compiler will find the
718 # While we can't run python compiled for $host (unless host == build),
719 # the user could write a script that provides the needed information,
720 # so we support that.
721 python_prog="${with_python}"
722 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
723 if test "${python_prog_path}" = missing; then
724 AC_ERROR(unable to find python program ${python_prog})
730 if test "${python_prog}" != missing; then
731 # We have a python program to use, but it may be too old.
732 # Don't flag an error for --with-python=auto (the default).
733 have_python_config=yes
734 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
735 if test $? != 0; then
736 have_python_config=failed
737 if test "${with_python}" != auto; then
738 AC_ERROR(failure running python-config --includes)
741 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
742 if test $? != 0; then
743 have_python_config=failed
744 if test "${with_python}" != auto; then
745 AC_ERROR(failure running python-config --ldflags)
748 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
749 if test $? != 0; then
750 have_python_config=failed
751 if test "${with_python}" != auto; then
752 AC_ERROR(failure running python-config --exec-prefix)
756 # We do not have a python executable we can use to determine where
757 # to find the Python headers and libs. We cannot guess the include
758 # path from the python_prefix either, because that include path
759 # depends on the Python version. So, there is nothing much we can
760 # do except assume that the compiler will be able to find those files.
763 have_python_config=no
766 # If we have python-config, only try the configuration it provides.
767 # Otherwise fallback on the old way of trying different versions of
771 if test "${have_python_config}" = yes; then
772 python_version=`echo " ${python_libs} " \
773 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]\?[[0-9]]*\).*$,\1,'`
774 case "${python_version}" in
776 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
777 ${python_includes}, ${python_libs})
780 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
783 elif test "${have_python_config}" != failed; then
784 if test "${have_libpython}" = no; then
785 AC_TRY_LIBPYTHON(python2.7, have_libpython,
786 ${python_includes}, "${python_libs} -lpython2.7")
788 if test "${have_libpython}" = no; then
789 AC_TRY_LIBPYTHON(python2.6, have_libpython,
790 ${python_includes}, "${python_libs} -lpython2.6")
792 if test ${have_libpython} = no; then
793 AC_TRY_LIBPYTHON(python2.5, have_libpython,
794 ${python_includes}, "${python_libs} -lpython2.5")
796 if test ${have_libpython} = no; then
797 AC_TRY_LIBPYTHON(python2.4, have_libpython,
798 ${python_includes}, "${python_libs} -lpython2.4")
801 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
802 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
803 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
804 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
805 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
806 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
807 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
808 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
811 if test "${have_libpython}" = no; then
812 case "${with_python}" in
814 AC_MSG_ERROR([python is missing or unusable])
817 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
820 AC_MSG_ERROR([no usable python found at ${with_python}])
824 if test -n "${python_prefix}"; then
825 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
826 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
827 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
832 if test "${have_libpython}" != no; then
833 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
834 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
835 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
836 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
837 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
838 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
840 # Flags needed to compile Python code (taken from python-config --cflags).
841 # We cannot call python-config directly because it will output whatever was
842 # used when compiling the Python interpreter itself, including flags which
843 # would make the python-related objects be compiled differently from the
844 # rest of GDB (e.g., -O2 and -fPIC).
845 if test "${GCC}" = yes; then
846 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
849 if test "x${tentative_python_cflags}" != x; then
850 AC_MSG_CHECKING(compiler flags for python code)
851 for flag in ${tentative_python_cflags}; do
852 # Check that the compiler accepts it
853 saved_CFLAGS="$CFLAGS"
854 CFLAGS="$CFLAGS $flag"
855 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
856 CFLAGS="$saved_CFLAGS"
858 AC_MSG_RESULT(${PYTHON_CFLAGS})
861 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
863 # #define siginfo __siginfo
865 # The problem is that including Python causes some XOPEN macros to be
866 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
867 # to false. So, we work around this issue by defining siginfo ourself
868 # though the command-line.
870 irix*) if test "${GCC}" = yes; then
871 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
876 # Even if Python support is not compiled in, we need to have these files
878 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
879 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
880 python/py-prettyprint.c python/py-auto-load.c"
882 AC_SUBST(PYTHON_CFLAGS)
883 AC_SUBST(PYTHON_CPPFLAGS)
884 AC_SUBST(PYTHON_LIBS)
886 # ------------------------- #
887 # Checks for header files. #
888 # ------------------------- #
893 # elf_hp.h is for HP/UX 64-bit shared library support.
894 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
895 # unconditionally, so what's the point in checking these?
896 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
897 thread_db.h gnu/libc-version.h signal.h stddef.h \
898 stdlib.h string.h memory.h strings.h sys/fault.h \
899 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
900 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
901 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
902 sys/types.h sys/wait.h wait.h termios.h termio.h \
903 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
904 AC_CHECK_HEADERS(link.h, [], [],
905 [#if HAVE_SYS_TYPES_H
906 # include <sys/types.h>
912 AC_CHECK_HEADERS(sys/proc.h, [], [],
913 [#if HAVE_SYS_PARAM_H
914 # include <sys/param.h>
917 AC_CHECK_HEADERS(sys/user.h, [], [],
918 [#if HAVE_SYS_PARAM_H
919 # include <sys/param.h>
923 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
924 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
925 # think that we don't have <curses.h> if we're using GCC.
928 if test "$GCC" = yes; then
929 AC_DEFINE(_MSE_INT_H, 1,
930 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
931 Solaris 2.[789] when using GCC. ])
934 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
935 AC_CHECK_HEADERS(term.h, [], [],
941 # ------------------------- #
942 # Checks for declarations. #
943 # ------------------------- #
945 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
946 snprintf, vsnprintf])
949 # ----------------------- #
950 # Checks for structures. #
951 # ----------------------- #
953 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
955 # ------------------ #
956 # Checks for types. #
957 # ------------------ #
960 AC_CHECK_TYPES(socklen_t, [], [],
961 [#include <sys/types.h>
962 #include <sys/socket.h>
965 # ------------------------------------- #
966 # Checks for compiler characteristics. #
967 # ------------------------------------- #
973 # ------------------------------ #
974 # Checks for library functions. #
975 # ------------------------------ #
980 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
981 getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
982 sigaction sigprocmask sigsetmask socketpair syscall \
983 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
984 setrlimit getrlimit posix_madvise waitpid])
987 # Check the return and argument types of ptrace. No canned test for
988 # this, so roll our own.
991 # include <sys/types.h>
993 #if HAVE_SYS_PTRACE_H
994 # include <sys/ptrace.h>
1000 # There is no point in checking if we don't have a prototype.
1001 AC_CHECK_DECLS(ptrace, [], [
1002 : ${gdb_cv_func_ptrace_ret='int'}
1003 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1004 ], $gdb_ptrace_headers)
1005 # Check return type. Varargs (used on GNU/Linux) conflict with the
1006 # empty argument list, so check for that explicitly.
1007 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1008 AC_TRY_COMPILE($gdb_ptrace_headers,
1009 [extern long ptrace (enum __ptrace_request, ...);],
1010 gdb_cv_func_ptrace_ret='long',
1011 AC_TRY_COMPILE($gdb_ptrace_headers,
1012 [extern int ptrace ();],
1013 gdb_cv_func_ptrace_ret='int',
1014 gdb_cv_func_ptrace_ret='long')))
1015 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1016 [Define as the return type of ptrace.])
1017 # Check argument types.
1018 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1019 AC_TRY_COMPILE($gdb_ptrace_headers,
1020 [extern long ptrace (enum __ptrace_request, ...);],
1021 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1022 for gdb_arg1 in 'int' 'long'; do
1023 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1024 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1025 for gdb_arg4 in 'int' 'long'; do
1026 AC_TRY_COMPILE($gdb_ptrace_headers, [
1027 extern $gdb_cv_func_ptrace_ret
1028 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1029 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1031 for gdb_arg5 in 'int *' 'int' 'long'; do
1032 AC_TRY_COMPILE($gdb_ptrace_headers, [
1033 extern $gdb_cv_func_ptrace_ret
1034 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1036 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1043 # Provide a safe default value.
1044 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1046 ac_save_IFS=$IFS; IFS=','
1047 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1050 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1051 [Define to the type of arg 3 for ptrace.])
1052 if test -n "$[5]"; then
1053 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1054 [Define to the type of arg 5 for ptrace.])
1057 dnl AC_FUNC_SETPGRP does not work when cross compiling
1058 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1059 if test "$cross_compiling" = no; then
1062 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1066 if (setpgrp(1,1) == -1)
1070 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1071 if test $ac_cv_func_setpgrp_void = yes; then
1072 AC_DEFINE(SETPGRP_VOID, 1)
1076 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1077 # since sigsetjmp might only be defined as a macro.
1078 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1081 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1082 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1083 if test $gdb_cv_func_sigsetjmp = yes; then
1084 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1087 # Assume we'll default to using the included libiberty regex.
1088 gdb_use_included_regex=yes
1090 # However, if the system regex is GNU regex, then default to *not*
1091 # using the included regex.
1094 [gdb_cv_have_gnu_regex],
1096 [#include <gnu-versions.h>],
1097 [#define REGEX_INTERFACE_VERSION 1
1098 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1099 # error "Version mismatch"
1101 gdb_cv_have_gnu_regex=yes,
1102 gdb_cv_have_gnu_regex=no)])
1103 if test $gdb_cv_have_gnu_regex = yes; then
1104 gdb_use_included_regex=no
1107 AC_ARG_WITH(included-regex,
1108 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1109 gdb_with_regex=$withval,
1110 gdb_with_regex=$gdb_use_included_regex)
1111 if test "$gdb_with_regex" = yes; then
1112 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1113 [Define to 1 if the regex included in libiberty should be used.])
1116 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1117 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1118 [#include <sys/param.h>
1119 #include <sys/proc.h>
1122 # See if <sys/lwp.h> defines `struct lwp`.
1123 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1124 [AC_TRY_COMPILE([#include <sys/param.h>
1125 #include <sys/lwp.h>], [struct lwp l;],
1126 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1127 if test $gdb_cv_struct_lwp = yes; then
1128 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1129 [Define to 1 if your system has struct lwp.])
1132 # See if <machine/reg.h> degines `struct reg'.
1133 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1134 [AC_TRY_COMPILE([#include <sys/types.h>
1135 #include <machine/reg.h>], [struct reg r;],
1136 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1137 if test $gdb_cv_struct_reg = yes; then
1138 AC_DEFINE(HAVE_STRUCT_REG, 1,
1139 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1142 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1143 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1144 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1145 [#include <machine/reg.h>])
1147 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1148 AC_MSG_CHECKING(for PTRACE_GETREGS)
1149 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1150 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1152 [gdb_cv_have_ptrace_getregs=yes],
1153 [gdb_cv_have_ptrace_getregs=no])])
1154 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1155 if test $gdb_cv_have_ptrace_getregs = yes; then
1156 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1157 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1160 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1161 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1162 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1163 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1164 [PTRACE_GETFPXREGS;],
1165 [gdb_cv_have_ptrace_getfpxregs=yes],
1166 [gdb_cv_have_ptrace_getfpxregs=no])])
1167 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1168 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1169 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1170 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1173 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1174 AC_MSG_CHECKING(for PT_GETDBREGS)
1175 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1176 [AC_TRY_COMPILE([#include <sys/types.h>
1177 #include <sys/ptrace.h>],
1179 [gdb_cv_have_pt_getdbregs=yes],
1180 [gdb_cv_have_pt_getdbregs=no])])
1181 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1182 if test $gdb_cv_have_pt_getdbregs = yes; then
1183 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1184 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1187 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1188 AC_MSG_CHECKING(for PT_GETXMMREGS)
1189 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1190 [AC_TRY_COMPILE([#include <sys/types.h>
1191 #include <sys/ptrace.h>],
1193 [gdb_cv_have_pt_getxmmregs=yes],
1194 [gdb_cv_have_pt_getxmmregs=no])])
1195 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1196 if test $gdb_cv_have_pt_getxmmregs = yes; then
1197 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1198 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1201 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1203 if test "${target}" = "${host}"; then
1205 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1206 AC_DEFINE(NEW_PROC_API, 1,
1207 [Define if you want to use new multi-fd /proc interface
1208 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1210 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1211 AC_DEFINE(NEW_PROC_API, 1,
1212 [Define if you want to use new multi-fd /proc interface
1213 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1216 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1217 AC_DEFINE([_KMEMUSER], 1,
1218 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1219 around a <sys/proc.h> problem on IRIX 5.])
1224 if test "$ac_cv_header_sys_procfs_h" = yes; then
1225 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1226 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1227 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1228 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1229 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1230 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1231 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1232 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1233 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1234 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1235 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1236 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1237 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1238 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1241 dnl Check for broken prfpregset_t type
1243 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1244 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1245 dnl instead of the struct itself). We detect this here, and work
1246 dnl around it in gdb_proc_service.h.
1248 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1249 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1250 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1251 [AC_TRY_RUN([#include <sys/procfs.h>
1254 if (sizeof (prfpregset_t) == sizeof (void *))
1258 gdb_cv_prfpregset_t_broken=no,
1259 gdb_cv_prfpregset_t_broken=yes,
1260 gdb_cv_prfpregset_t_broken=yes)])
1261 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1262 if test $gdb_cv_prfpregset_t_broken = yes; then
1263 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1264 [Define if the prfpregset_t type is broken.])
1268 dnl Check for PIOCSET ioctl entry
1270 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1271 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1272 [AC_TRY_COMPILE([#include <unistd.h>
1273 #include <sys/types.h>
1274 #include <sys/procfs.h>
1277 dummy = ioctl(0, PIOCSET, &dummy);
1279 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1280 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1281 if test $gdb_cv_have_procfs_piocset = yes; then
1282 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1283 [Define if ioctl argument PIOCSET is available.])
1287 dnl For native ports (host == target), check to see what kind of
1288 dnl legacy link.h support is needed. (See solib-legacy.c.)
1289 if test ${host} = ${target} ; then
1290 dnl Check for struct link_map with l_ members which are indicative
1291 dnl of SVR4-like shared libraries
1293 AC_MSG_CHECKING(for member l_addr in struct link_map)
1294 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1295 [AC_TRY_COMPILE([#include <link.h>],
1296 [struct link_map lm; (void) lm.l_addr;],
1297 gdb_cv_have_struct_link_map_with_l_members=yes,
1298 gdb_cv_have_struct_link_map_with_l_members=no)])
1299 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1300 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1301 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1302 [Define if <link.h> exists and defines struct link_map which has
1303 members with an ``l_'' prefix. (For Solaris, SVR4, and
1304 SVR4-like systems.)])
1307 dnl Check for struct link_map with lm_ members which are indicative
1308 dnl of SunOS-like shared libraries
1310 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1311 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1312 [AC_TRY_COMPILE([#include <sys/types.h>
1314 [struct link_map lm; (void) lm.lm_addr;],
1315 gdb_cv_have_struct_link_map_with_lm_members=yes,
1316 gdb_cv_have_struct_link_map_with_lm_members=no)])
1317 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1318 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1319 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1320 [Define if <link.h> exists and defines struct link_map which has
1321 members with an ``lm_'' prefix. (For SunOS.)])
1324 dnl Check for struct so_map with som_ members which are found on
1325 dnl some *BSD systems.
1327 AC_MSG_CHECKING(for member som_addr in struct so_map)
1328 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1329 [AC_TRY_COMPILE([#include <sys/types.h>
1334 [struct so_map lm; (void) lm.som_addr;],
1335 gdb_cv_have_struct_so_map_with_som_members=yes,
1336 gdb_cv_have_struct_so_map_with_som_members=no)])
1337 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1338 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1339 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1340 [Define if <link.h> exists and defines a struct so_map which has
1341 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1344 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1345 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1347 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1348 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1349 [AC_TRY_COMPILE([#define _SYSCALL32
1350 #include <sys/link.h>], [struct link_map32 l;],
1351 gdb_cv_have_struct_link_map32=yes,
1352 gdb_cv_have_struct_link_map32=no)])
1353 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1354 if test $gdb_cv_have_struct_link_map32 = yes; then
1355 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1356 [Define if <sys/link.h> has struct link_map32])
1357 AC_DEFINE(_SYSCALL32, 1,
1358 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1362 # Check if the compiler supports the `long long' type.
1364 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1365 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1366 [[extern long long foo;]],
1367 [[switch (foo & 2) { case 0: return 1; }]])],
1368 gdb_cv_c_long_long=yes,
1369 gdb_cv_c_long_long=no)])
1370 if test $gdb_cv_c_long_long = yes; then
1371 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1372 [Define to 1 if the compiler supports long long.])
1375 # Check if the compiler and runtime support printing long longs.
1377 AC_CACHE_CHECK([for long long support in printf],
1378 gdb_cv_printf_has_long_long,
1379 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1382 l = (l << 16) + 0x0123;
1383 l = (l << 16) + 0x4567;
1384 l = (l << 16) + 0x89ab;
1385 l = (l << 16) + 0xcdef;
1386 sprintf (buf, "0x%016llx", l);
1387 return (strcmp ("0x0123456789abcdef", buf));]])],
1388 gdb_cv_printf_has_long_long=yes,
1389 gdb_cv_printf_has_long_long=no,
1390 gdb_cv_printf_has_long_long=no)])
1391 if test $gdb_cv_printf_has_long_long = yes; then
1392 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1393 [Define to 1 if the "%ll" format works to print long longs.])
1396 # Check if the compiler and runtime support printing decfloats.
1398 AC_CACHE_CHECK([for decfloat support in printf],
1399 gdb_cv_printf_has_decfloat,
1400 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1402 _Decimal32 d32 = 1.2345df;
1403 _Decimal64 d64 = 1.2345dd;
1404 _Decimal128 d128 = 1.2345dl;
1405 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1406 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1407 gdb_cv_printf_has_decfloat=yes,
1408 gdb_cv_printf_has_decfloat=no,
1409 gdb_cv_printf_has_decfloat=no)])
1410 if test $gdb_cv_printf_has_decfloat = yes; then
1411 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1412 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1415 # Check if the compiler supports the `long double' type. We can't use
1416 # AC_C_LONG_DOUBLE because that one does additional checks on the
1417 # constants defined in <float.h> that fail on some systems,
1418 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1420 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1421 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1422 gdb_cv_c_long_double=yes,
1423 gdb_cv_c_long_double=no)])
1424 if test $gdb_cv_c_long_double = yes; then
1425 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1426 [Define to 1 if the compiler supports long double.])
1429 # Check if the compiler and runtime support printing long doubles.
1431 AC_CACHE_CHECK([for long double support in printf],
1432 gdb_cv_printf_has_long_double,
1433 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1435 long double f = 3.141592653;
1436 sprintf (buf, "%Lg", f);
1437 return (strncmp ("3.14159", buf, 7));]])],
1438 gdb_cv_printf_has_long_double=yes,
1439 gdb_cv_printf_has_long_double=no,
1440 gdb_cv_printf_has_long_double=no)])
1441 if test $gdb_cv_printf_has_long_double = yes; then
1442 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1443 [Define to 1 if the "%Lg" format works to print long doubles.])
1446 # Check if the compiler and runtime support scanning long doubles.
1448 AC_CACHE_CHECK([for long double support in scanf],
1449 gdb_cv_scanf_has_long_double,
1450 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1451 [[#include <stdio.h>]],
1452 [[char *buf = "3.141592653";
1454 sscanf (buf, "%Lg", &f);
1455 return !(f > 3.14159 && f < 3.14160);]])],
1456 gdb_cv_scanf_has_long_double=yes,
1457 gdb_cv_scanf_has_long_double=no,
1458 gdb_cv_scanf_has_long_double=no)])
1459 if test $gdb_cv_scanf_has_long_double = yes; then
1460 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1461 [Define to 1 if the "%Lg" format works to scan long doubles.])
1466 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1467 SAVE_LDFLAGS=$LDFLAGS
1470 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1471 *) gdb_cv_bigtoc=-bbigtoc ;;
1474 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1475 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1476 LDFLAGS="${SAVE_LDFLAGS}"
1478 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1482 AC_MSG_CHECKING(for the dynamic export flag)
1484 if test "${gdb_native}" = yes; then
1485 # The dynamically loaded libthread_db needs access to symbols in the gdb
1486 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1487 # may not be supported there.
1488 old_LDFLAGS="$LDFLAGS"
1489 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1490 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1491 LDFLAGS="$LDFLAGS $RDYNAMIC"
1492 if test "${have_libpython}" = no; then
1493 AC_TRY_LINK([], [], [dynamic_list=true])
1495 # Workaround http://bugs.python.org/issue4434 where static
1496 # libpythonX.Y.a would get its symbols required for
1497 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1498 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1499 old_CFLAGS="$CFLAGS"
1500 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1503 [#include "]${have_libpython}[/Python.h"],
1506 err = PyRun_SimpleString ("import itertools\n");
1508 return err == 0 ? 0 : 1;]),
1509 [dynamic_list=true], [], [true])
1510 CFLAGS="$old_CFLAGS"
1512 LDFLAGS="$old_LDFLAGS"
1514 if $dynamic_list; then
1515 found="-Wl,--dynamic-list"
1516 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1519 RDYNAMIC="-rdynamic"
1522 AC_MSG_RESULT($found)
1524 dnl For certain native configurations, we need to check whether thread
1525 dnl support can be built in or not.
1527 dnl Note that we only want this if we are both native (host == target),
1528 dnl and not doing a canadian cross build (build == host).
1530 if test ${build} = ${host} -a ${host} = ${target} ; then
1533 # See if thread_db library is around for Solaris thread debugging.
1534 # Note that we must explicitly test for version 1 of the library
1535 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1537 AC_MSG_CHECKING(for Solaris thread debugging library)
1538 if test -f /usr/lib/libthread_db.so.1 ; then
1540 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1541 [Define if using Solaris thread debugging.])
1542 CONFIG_OBS="${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)