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 test ! -x "${python_prog}"; then
673 # Fall back to gdb 7.0/7.1 behaviour.
675 python_prefix=${with_python}
677 elif test -x "${with_python}"; then
678 # While we can't run python compiled for $host (unless host == build),
679 # the user could write a script that provides the needed information,
680 # so we support that.
681 python_prog=${with_python}
684 AC_ERROR(invalid value for --with-python)
688 # Disallow --with-python=foo/bar.
689 AC_ERROR(invalid value for --with-python)
692 # The user has either specified auto, yes, or the name of the python
693 # program assumed to be in $PATH.
695 case "${with_python}" in
697 if test ${build} = ${host}; then
698 AC_PATH_PROG(python_prog_path, python, missing)
699 if test "${python_prog_path}" = missing; then
702 python_prog=${python_prog_path}
705 # Not much we can do except assume the cross-compiler will find the
711 # While we can't run python compiled for $host (unless host == build),
712 # the user could write a script that provides the needed information,
713 # so we support that.
714 python_prog="${with_python}"
715 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
716 if test "${python_prog_path}" = missing; then
717 AC_ERROR(unable to find python program ${python_prog})
723 if test "${python_prog}" != missing; then
724 # We have a python program to use, but it may be too old.
725 # Don't flag an error for --with-python=auto (the default).
726 have_python_config=yes
727 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
728 if test $? != 0; then
729 have_python_config=failed
730 if test "${with_python}" != auto; then
731 AC_ERROR(failure running python-config --includes)
734 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
735 if test $? != 0; then
736 have_python_config=failed
737 if test "${with_python}" != auto; then
738 AC_ERROR(failure running python-config --ldflags)
741 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
742 if test $? != 0; then
743 have_python_config=failed
744 if test "${with_python}" != auto; then
745 AC_ERROR(failure running python-config --exec-prefix)
749 # We do not have a python executable we can use to determine where
750 # to find the Python headers and libs. We cannot guess the include
751 # path from the python_prefix either, because that include path
752 # depends on the Python version. So, there is nothing much we can
753 # do except assume that the compiler will be able to find those files.
756 have_python_config=no
759 # If we have python-config, only try the configuration it provides.
760 # Otherwise fallback on the old way of trying different versions of
764 if test "${have_python_config}" = yes; then
765 python_version=`echo " ${python_libs} " \
766 | sed -e 's,^.* -l\(python[[0-9]]*[[.]][[0-9]]*\) .*$,\1,'`
767 case "${python_version}" in
769 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
770 ${python_includes}, ${python_libs})
773 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
776 elif test "${have_python_config}" != failed; then
777 if test "${have_libpython}" = no; then
778 AC_TRY_LIBPYTHON(python2.7, have_libpython,
779 ${python_includes}, "${python_libs} -lpython2.7")
781 if test "${have_libpython}" = no; then
782 AC_TRY_LIBPYTHON(python2.6, have_libpython,
783 ${python_includes}, "${python_libs} -lpython2.6")
785 if test ${have_libpython} = no; then
786 AC_TRY_LIBPYTHON(python2.5, have_libpython,
787 ${python_includes}, "${python_libs} -lpython2.5")
789 if test ${have_libpython} = no; then
790 AC_TRY_LIBPYTHON(python2.4, have_libpython,
791 ${python_includes}, "${python_libs} -lpython2.4")
794 if test "${have_libpython}" = python2.7; then
795 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
796 elif test "${have_libpython}" = python2.6; then
797 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
798 elif test "${have_libpython}" = python2.5; then
799 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
800 elif test "${have_libpython}" = python2.4; then
801 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
804 if test "${have_libpython}" = no; then
805 case "${with_python}" in
807 AC_MSG_ERROR([python is missing or unusable])
810 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
813 AC_MSG_ERROR([no usable python found at ${with_python}])
817 if test -n "${python_prefix}"; then
818 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
819 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
820 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
825 if test "${have_libpython}" != no; then
826 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
827 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
828 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
829 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
830 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
831 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
833 # Flags needed to compile Python code (taken from python-config --cflags).
834 # We cannot call python-config directly because it will output whatever was
835 # used when compiling the Python interpreter itself, including flags which
836 # would make the python-related objects be compiled differently from the
837 # rest of GDB (e.g., -O2 and -fPIC).
838 if test "${GCC}" = yes; then
839 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
842 if test "x${tentative_python_cflags}" != x; then
843 AC_MSG_CHECKING(compiler flags for python code)
844 for flag in ${tentative_python_cflags}; do
845 # Check that the compiler accepts it
846 saved_CFLAGS="$CFLAGS"
847 CFLAGS="$CFLAGS $flag"
848 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
849 CFLAGS="$saved_CFLAGS"
851 AC_MSG_RESULT(${PYTHON_CFLAGS})
854 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
856 # #define siginfo __siginfo
858 # The problem is that including Python causes some XOPEN macros to be
859 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
860 # to false. So, we work around this issue by defining siginfo ourself
861 # though the command-line.
863 irix*) if test "${GCC}" = yes; then
864 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
869 # Even if Python support is not compiled in, we need to have these files
871 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
872 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
873 python/py-prettyprint.c python/py-auto-load.c"
875 AC_SUBST(PYTHON_CFLAGS)
876 AC_SUBST(PYTHON_CPPFLAGS)
877 AC_SUBST(PYTHON_LIBS)
879 # ------------------------- #
880 # Checks for header files. #
881 # ------------------------- #
886 # elf_hp.h is for HP/UX 64-bit shared library support.
887 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
888 # unconditionally, so what's the point in checking these?
889 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
890 thread_db.h gnu/libc-version.h signal.h stddef.h \
891 stdlib.h string.h memory.h strings.h sys/fault.h \
892 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
893 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
894 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
895 sys/types.h sys/wait.h wait.h termios.h termio.h \
896 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
897 AC_CHECK_HEADERS(link.h, [], [],
898 [#if HAVE_SYS_TYPES_H
899 # include <sys/types.h>
905 AC_CHECK_HEADERS(sys/proc.h, [], [],
906 [#if HAVE_SYS_PARAM_H
907 # include <sys/param.h>
910 AC_CHECK_HEADERS(sys/user.h, [], [],
911 [#if HAVE_SYS_PARAM_H
912 # include <sys/param.h>
916 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
917 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
918 # think that we don't have <curses.h> if we're using GCC.
921 if test "$GCC" = yes; then
922 AC_DEFINE(_MSE_INT_H, 1,
923 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
924 Solaris 2.[789] when using GCC. ])
927 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
928 AC_CHECK_HEADERS(term.h, [], [],
934 # ------------------------- #
935 # Checks for declarations. #
936 # ------------------------- #
938 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
939 snprintf, vsnprintf])
942 # ----------------------- #
943 # Checks for structures. #
944 # ----------------------- #
946 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
948 # ------------------ #
949 # Checks for types. #
950 # ------------------ #
953 AC_CHECK_TYPES(socklen_t, [], [],
954 [#include <sys/types.h>
955 #include <sys/socket.h>
958 # ------------------------------------- #
959 # Checks for compiler characteristics. #
960 # ------------------------------------- #
966 # ------------------------------ #
967 # Checks for library functions. #
968 # ------------------------------ #
973 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
974 getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
975 sigaction sigprocmask sigsetmask socketpair syscall \
976 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
977 setrlimit getrlimit posix_madvise waitpid])
980 # Check the return and argument types of ptrace. No canned test for
981 # this, so roll our own.
984 # include <sys/types.h>
986 #if HAVE_SYS_PTRACE_H
987 # include <sys/ptrace.h>
993 # There is no point in checking if we don't have a prototype.
994 AC_CHECK_DECLS(ptrace, [], [
995 : ${gdb_cv_func_ptrace_ret='int'}
996 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
997 ], $gdb_ptrace_headers)
998 # Check return type. Varargs (used on GNU/Linux) conflict with the
999 # empty argument list, so check for that explicitly.
1000 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1001 AC_TRY_COMPILE($gdb_ptrace_headers,
1002 [extern long ptrace (enum __ptrace_request, ...);],
1003 gdb_cv_func_ptrace_ret='long',
1004 AC_TRY_COMPILE($gdb_ptrace_headers,
1005 [extern int ptrace ();],
1006 gdb_cv_func_ptrace_ret='int',
1007 gdb_cv_func_ptrace_ret='long')))
1008 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1009 [Define as the return type of ptrace.])
1010 # Check argument types.
1011 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1012 AC_TRY_COMPILE($gdb_ptrace_headers,
1013 [extern long ptrace (enum __ptrace_request, ...);],
1014 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1015 for gdb_arg1 in 'int' 'long'; do
1016 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1017 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1018 for gdb_arg4 in 'int' 'long'; do
1019 AC_TRY_COMPILE($gdb_ptrace_headers, [
1020 extern $gdb_cv_func_ptrace_ret
1021 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1022 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1024 for gdb_arg5 in 'int *' 'int' 'long'; do
1025 AC_TRY_COMPILE($gdb_ptrace_headers, [
1026 extern $gdb_cv_func_ptrace_ret
1027 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1029 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1036 # Provide a safe default value.
1037 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1039 ac_save_IFS=$IFS; IFS=','
1040 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1043 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1044 [Define to the type of arg 3 for ptrace.])
1045 if test -n "$[5]"; then
1046 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1047 [Define to the type of arg 5 for ptrace.])
1050 dnl AC_FUNC_SETPGRP does not work when cross compiling
1051 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1052 if test "$cross_compiling" = no; then
1055 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1059 if (setpgrp(1,1) == -1)
1063 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1064 if test $ac_cv_func_setpgrp_void = yes; then
1065 AC_DEFINE(SETPGRP_VOID, 1)
1069 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1070 # since sigsetjmp might only be defined as a macro.
1071 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1074 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1075 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1076 if test $gdb_cv_func_sigsetjmp = yes; then
1077 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1080 # Assume we'll default to using the included libiberty regex.
1081 gdb_use_included_regex=yes
1083 # However, if the system regex is GNU regex, then default to *not*
1084 # using the included regex.
1087 [gdb_cv_have_gnu_regex],
1089 [#include <gnu-versions.h>],
1090 [#define REGEX_INTERFACE_VERSION 1
1091 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1092 # error "Version mismatch"
1094 gdb_cv_have_gnu_regex=yes,
1095 gdb_cv_have_gnu_regex=no)])
1096 if test $gdb_cv_have_gnu_regex = yes; then
1097 gdb_use_included_regex=no
1100 AC_ARG_WITH(included-regex,
1101 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1102 gdb_with_regex=$withval,
1103 gdb_with_regex=$gdb_use_included_regex)
1104 if test "$gdb_with_regex" = yes; then
1105 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1106 [Define to 1 if the regex included in libiberty should be used.])
1109 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1110 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1111 [#include <sys/param.h>
1112 #include <sys/proc.h>
1115 # See if <sys/lwp.h> defines `struct lwp`.
1116 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1117 [AC_TRY_COMPILE([#include <sys/param.h>
1118 #include <sys/lwp.h>], [struct lwp l;],
1119 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1120 if test $gdb_cv_struct_lwp = yes; then
1121 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1122 [Define to 1 if your system has struct lwp.])
1125 # See if <machine/reg.h> degines `struct reg'.
1126 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1127 [AC_TRY_COMPILE([#include <sys/types.h>
1128 #include <machine/reg.h>], [struct reg r;],
1129 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1130 if test $gdb_cv_struct_reg = yes; then
1131 AC_DEFINE(HAVE_STRUCT_REG, 1,
1132 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1135 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1136 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1137 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1138 [#include <machine/reg.h>])
1140 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1141 AC_MSG_CHECKING(for PTRACE_GETREGS)
1142 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1143 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1145 [gdb_cv_have_ptrace_getregs=yes],
1146 [gdb_cv_have_ptrace_getregs=no])])
1147 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1148 if test $gdb_cv_have_ptrace_getregs = yes; then
1149 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1150 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1153 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1154 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1155 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1156 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1157 [PTRACE_GETFPXREGS;],
1158 [gdb_cv_have_ptrace_getfpxregs=yes],
1159 [gdb_cv_have_ptrace_getfpxregs=no])])
1160 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1161 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1162 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1163 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1166 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1167 AC_MSG_CHECKING(for PT_GETDBREGS)
1168 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1169 [AC_TRY_COMPILE([#include <sys/types.h>
1170 #include <sys/ptrace.h>],
1172 [gdb_cv_have_pt_getdbregs=yes],
1173 [gdb_cv_have_pt_getdbregs=no])])
1174 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1175 if test $gdb_cv_have_pt_getdbregs = yes; then
1176 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1177 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1180 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1181 AC_MSG_CHECKING(for PT_GETXMMREGS)
1182 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1183 [AC_TRY_COMPILE([#include <sys/types.h>
1184 #include <sys/ptrace.h>],
1186 [gdb_cv_have_pt_getxmmregs=yes],
1187 [gdb_cv_have_pt_getxmmregs=no])])
1188 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1189 if test $gdb_cv_have_pt_getxmmregs = yes; then
1190 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1191 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1194 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1196 if test "${target}" = "${host}"; then
1198 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1199 AC_DEFINE(NEW_PROC_API, 1,
1200 [Define if you want to use new multi-fd /proc interface
1201 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1203 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1204 AC_DEFINE(NEW_PROC_API, 1,
1205 [Define if you want to use new multi-fd /proc interface
1206 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1209 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1210 AC_DEFINE([_KMEMUSER], 1,
1211 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1212 around a <sys/proc.h> problem on IRIX 5.])
1217 if test "$ac_cv_header_sys_procfs_h" = yes; then
1218 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1219 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1220 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1221 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1222 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1223 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1224 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1225 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1226 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1227 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1228 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1229 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1230 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1231 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1234 dnl Check for broken prfpregset_t type
1236 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1237 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1238 dnl instead of the struct itself). We detect this here, and work
1239 dnl around it in gdb_proc_service.h.
1241 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1242 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1243 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1244 [AC_TRY_RUN([#include <sys/procfs.h>
1247 if (sizeof (prfpregset_t) == sizeof (void *))
1251 gdb_cv_prfpregset_t_broken=no,
1252 gdb_cv_prfpregset_t_broken=yes,
1253 gdb_cv_prfpregset_t_broken=yes)])
1254 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1255 if test $gdb_cv_prfpregset_t_broken = yes; then
1256 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1257 [Define if the prfpregset_t type is broken.])
1261 dnl Check for PIOCSET ioctl entry
1263 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1264 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1265 [AC_TRY_COMPILE([#include <unistd.h>
1266 #include <sys/types.h>
1267 #include <sys/procfs.h>
1270 dummy = ioctl(0, PIOCSET, &dummy);
1272 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1273 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1274 if test $gdb_cv_have_procfs_piocset = yes; then
1275 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1276 [Define if ioctl argument PIOCSET is available.])
1280 dnl For native ports (host == target), check to see what kind of
1281 dnl legacy link.h support is needed. (See solib-legacy.c.)
1282 if test ${host} = ${target} ; then
1283 dnl Check for struct link_map with l_ members which are indicative
1284 dnl of SVR4-like shared libraries
1286 AC_MSG_CHECKING(for member l_addr in struct link_map)
1287 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1288 [AC_TRY_COMPILE([#include <link.h>],
1289 [struct link_map lm; (void) lm.l_addr;],
1290 gdb_cv_have_struct_link_map_with_l_members=yes,
1291 gdb_cv_have_struct_link_map_with_l_members=no)])
1292 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1293 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1294 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1295 [Define if <link.h> exists and defines struct link_map which has
1296 members with an ``l_'' prefix. (For Solaris, SVR4, and
1297 SVR4-like systems.)])
1300 dnl Check for struct link_map with lm_ members which are indicative
1301 dnl of SunOS-like shared libraries
1303 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1304 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1305 [AC_TRY_COMPILE([#include <sys/types.h>
1307 [struct link_map lm; (void) lm.lm_addr;],
1308 gdb_cv_have_struct_link_map_with_lm_members=yes,
1309 gdb_cv_have_struct_link_map_with_lm_members=no)])
1310 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1311 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1312 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1313 [Define if <link.h> exists and defines struct link_map which has
1314 members with an ``lm_'' prefix. (For SunOS.)])
1317 dnl Check for struct so_map with som_ members which are found on
1318 dnl some *BSD systems.
1320 AC_MSG_CHECKING(for member som_addr in struct so_map)
1321 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1322 [AC_TRY_COMPILE([#include <sys/types.h>
1327 [struct so_map lm; (void) lm.som_addr;],
1328 gdb_cv_have_struct_so_map_with_som_members=yes,
1329 gdb_cv_have_struct_so_map_with_som_members=no)])
1330 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1331 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1332 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1333 [Define if <link.h> exists and defines a struct so_map which has
1334 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1337 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1338 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1340 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1341 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1342 [AC_TRY_COMPILE([#define _SYSCALL32
1343 #include <sys/link.h>], [struct link_map32 l;],
1344 gdb_cv_have_struct_link_map32=yes,
1345 gdb_cv_have_struct_link_map32=no)])
1346 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1347 if test $gdb_cv_have_struct_link_map32 = yes; then
1348 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1349 [Define if <sys/link.h> has struct link_map32])
1350 AC_DEFINE(_SYSCALL32, 1,
1351 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1355 # Check if the compiler supports the `long long' type.
1357 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1358 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1359 [[extern long long foo;]],
1360 [[switch (foo & 2) { case 0: return 1; }]])],
1361 gdb_cv_c_long_long=yes,
1362 gdb_cv_c_long_long=no)])
1363 if test $gdb_cv_c_long_long = yes; then
1364 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1365 [Define to 1 if the compiler supports long long.])
1368 # Check if the compiler and runtime support printing long longs.
1370 AC_CACHE_CHECK([for long long support in printf],
1371 gdb_cv_printf_has_long_long,
1372 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1375 l = (l << 16) + 0x0123;
1376 l = (l << 16) + 0x4567;
1377 l = (l << 16) + 0x89ab;
1378 l = (l << 16) + 0xcdef;
1379 sprintf (buf, "0x%016llx", l);
1380 return (strcmp ("0x0123456789abcdef", buf));]])],
1381 gdb_cv_printf_has_long_long=yes,
1382 gdb_cv_printf_has_long_long=no,
1383 gdb_cv_printf_has_long_long=no)])
1384 if test $gdb_cv_printf_has_long_long = yes; then
1385 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1386 [Define to 1 if the "%ll" format works to print long longs.])
1389 # Check if the compiler and runtime support printing decfloats.
1391 AC_CACHE_CHECK([for decfloat support in printf],
1392 gdb_cv_printf_has_decfloat,
1393 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1395 _Decimal32 d32 = 1.2345df;
1396 _Decimal64 d64 = 1.2345dd;
1397 _Decimal128 d128 = 1.2345dl;
1398 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1399 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1400 gdb_cv_printf_has_decfloat=yes,
1401 gdb_cv_printf_has_decfloat=no,
1402 gdb_cv_printf_has_decfloat=no)])
1403 if test $gdb_cv_printf_has_decfloat = yes; then
1404 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1405 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1408 # Check if the compiler supports the `long double' type. We can't use
1409 # AC_C_LONG_DOUBLE because that one does additional checks on the
1410 # constants defined in <float.h> that fail on some systems,
1411 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1413 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1414 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1415 gdb_cv_c_long_double=yes,
1416 gdb_cv_c_long_double=no)])
1417 if test $gdb_cv_c_long_double = yes; then
1418 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1419 [Define to 1 if the compiler supports long double.])
1422 # Check if the compiler and runtime support printing long doubles.
1424 AC_CACHE_CHECK([for long double support in printf],
1425 gdb_cv_printf_has_long_double,
1426 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1428 long double f = 3.141592653;
1429 sprintf (buf, "%Lg", f);
1430 return (strncmp ("3.14159", buf, 7));]])],
1431 gdb_cv_printf_has_long_double=yes,
1432 gdb_cv_printf_has_long_double=no,
1433 gdb_cv_printf_has_long_double=no)])
1434 if test $gdb_cv_printf_has_long_double = yes; then
1435 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1436 [Define to 1 if the "%Lg" format works to print long doubles.])
1439 # Check if the compiler and runtime support scanning long doubles.
1441 AC_CACHE_CHECK([for long double support in scanf],
1442 gdb_cv_scanf_has_long_double,
1443 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1444 [[#include <stdio.h>]],
1445 [[char *buf = "3.141592653";
1447 sscanf (buf, "%Lg", &f);
1448 return !(f > 3.14159 && f < 3.14160);]])],
1449 gdb_cv_scanf_has_long_double=yes,
1450 gdb_cv_scanf_has_long_double=no,
1451 gdb_cv_scanf_has_long_double=no)])
1452 if test $gdb_cv_scanf_has_long_double = yes; then
1453 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1454 [Define to 1 if the "%Lg" format works to scan long doubles.])
1459 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1460 SAVE_LDFLAGS=$LDFLAGS
1463 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1464 *) gdb_cv_bigtoc=-bbigtoc ;;
1467 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1468 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1469 LDFLAGS="${SAVE_LDFLAGS}"
1471 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1475 AC_MSG_CHECKING(for the dynamic export flag)
1477 if test "${gdb_native}" = yes; then
1478 # The dynamically loaded libthread_db needs access to symbols in the gdb
1479 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1480 # may not be supported there.
1481 old_LDFLAGS="$LDFLAGS"
1482 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1483 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1484 LDFLAGS="$LDFLAGS $RDYNAMIC"
1485 if test "${have_libpython}" = no; then
1486 AC_TRY_LINK([], [], [dynamic_list=true])
1488 # Workaround http://bugs.python.org/issue4434 where static
1489 # libpythonX.Y.a would get its symbols required for
1490 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1491 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1492 old_CFLAGS="$CFLAGS"
1493 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1496 [#include "]${have_libpython}[/Python.h"],
1499 err = PyRun_SimpleString ("import itertools\n");
1501 return err == 0 ? 0 : 1;]),
1502 [dynamic_list=true], [], [true])
1503 CFLAGS="$old_CFLAGS"
1505 LDFLAGS="$old_LDFLAGS"
1507 if $dynamic_list; then
1508 found="-Wl,--dynamic-list"
1509 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1512 RDYNAMIC="-rdynamic"
1515 AC_MSG_RESULT($found)
1517 dnl For certain native configurations, we need to check whether thread
1518 dnl support can be built in or not.
1520 dnl Note that we only want this if we are both native (host == target),
1521 dnl and not doing a canadian cross build (build == host).
1523 if test ${build} = ${host} -a ${host} = ${target} ; then
1526 # See if thread_db library is around for Solaris thread debugging.
1527 # Note that we must explicitly test for version 1 of the library
1528 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1530 AC_MSG_CHECKING(for Solaris thread debugging library)
1531 if test -f /usr/lib/libthread_db.so.1 ; then
1533 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1534 [Define if using Solaris thread debugging.])
1535 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1536 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1537 AC_CHECK_LIB(dl, dlopen)
1538 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1539 # Sun randomly tweaked the prototypes in <proc_service.h>
1541 AC_MSG_CHECKING(if <proc_service.h> is old)
1542 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1544 #include <proc_service.h>
1546 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1547 ],, gdb_cv_proc_service_is_old=no,
1548 gdb_cv_proc_service_is_old=yes)
1550 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1551 if test $gdb_cv_proc_service_is_old = yes; then
1552 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1553 [Define if <proc_service.h> on solaris uses int instead of
1554 size_t, and assorted other type changes.])
1561 AC_MSG_CHECKING(for AiX thread debugging library)
1562 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1563 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1564 [#ifndef PTHDB_VERSION_3
1567 gdb_cv_have_aix_thread_debug=yes,
1568 gdb_cv_have_aix_thread_debug=no)])
1569 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1570 if test $gdb_cv_have_aix_thread_debug = yes; then
1571 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1572 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1573 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1577 AC_SUBST(CONFIG_LDFLAGS)
1580 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1581 dnl other error codes.
1582 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1583 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1584 gdb_cv_thread_db_h_has_td_notalloc,
1586 [#include <thread_db.h>],
1587 [int i = TD_NOTALLOC;],
1588 gdb_cv_thread_db_h_has_td_notalloc=yes,
1589 gdb_cv_thread_db_h_has_td_notalloc=no
1592 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1593 gdb_cv_thread_db_h_has_td_version,
1595 [#include <thread_db.h>],
1596 [int i = TD_VERSION;],
1597 gdb_cv_thread_db_h_has_td_version=yes,
1598 gdb_cv_thread_db_h_has_td_version=no
1601 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1602 gdb_cv_thread_db_h_has_td_notls,
1604 [#include <thread_db.h>],
1605 [int i = TD_NOTLS;],
1606 gdb_cv_thread_db_h_has_td_notls=yes,
1607 gdb_cv_thread_db_h_has_td_notls=no
1611 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1612 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1613 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1615 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1616 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1617 [Define if <thread_db.h> has the TD_VERSION error code.])
1619 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1620 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1621 [Define if <thread_db.h> has the TD_NOTLS error code.])
1624 dnl See if we have a sys/syscall header file that has __NR_tkill.
1625 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1626 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1627 gdb_cv_sys_syscall_h_has_tkill,
1629 [#include <sys/syscall.h>],
1630 [int i = __NR_tkill;],
1631 gdb_cv_sys_syscall_h_has_tkill=yes,
1632 gdb_cv_sys_syscall_h_has_tkill=no
1636 dnl See if we can issue tkill syscall.
1637 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1638 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1641 dnl Check if we can disable the virtual address space randomization.
1642 dnl The functionality of setarch -R.
1643 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1644 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1645 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1646 # define ADDR_NO_RANDOMIZE 0x0040000
1648 /* Test the flag could be set and stays set. */
1649 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1650 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1652 AC_RUN_IFELSE([PERSONALITY_TEST],
1653 [have_personality=true],
1654 [have_personality=false],
1655 [AC_LINK_IFELSE([PERSONALITY_TEST],
1656 [have_personality=true],
1657 [have_personality=false])])
1658 if $have_personality
1660 AC_DEFINE([HAVE_PERSONALITY], 1,
1661 [Define if you support the personality syscall.])
1664 dnl Handle optional features that can be enabled.
1666 target_sysroot_reloc=0
1667 AC_ARG_WITH(sysroot,
1668 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1670 case ${with_sysroot} in
1671 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1672 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1675 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1677 if test "x$prefix" = xNONE; then
1678 test_prefix=/usr/local
1682 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1683 test_exec_prefix=$test_prefix
1685 test_exec_prefix=$exec_prefix
1687 case ${TARGET_SYSTEM_ROOT} in
1688 "${test_prefix}"|"${test_prefix}/"*|\
1689 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1690 '${prefix}'|'${prefix}/'*|\
1691 '${exec_prefix}'|'${exec_prefix}/'*)
1692 target_sysroot_reloc=1
1697 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1699 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1700 AC_SUBST(TARGET_SYSTEM_ROOT)
1701 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1703 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1704 [automatically load a system-wide gdbinit file],
1707 AC_ARG_ENABLE(werror,
1708 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1709 [case "${enableval}" in
1710 yes | y) ERROR_ON_WARNING="yes" ;;
1711 no | n) ERROR_ON_WARNING="no" ;;
1712 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1715 # Enable -Werror by default when using gcc
1716 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1717 ERROR_ON_WARNING=yes
1721 if test "${ERROR_ON_WARNING}" = yes ; then
1722 WERROR_CFLAGS="-Werror"
1725 # The entries after -Wno-pointer-sign are disabled warnings which may
1726 # be enabled in the future, which can not currently be used to build
1728 # NOTE: If you change this list, remember to update
1729 # gdb/doc/gdbint.texinfo.
1730 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1731 -Wformat-nonliteral -Wno-pointer-sign \
1732 -Wno-unused -Wunused-value -Wunused-function \
1733 -Wno-switch -Wno-char-subscripts"
1735 # Enable -Wno-format by default when using gcc on mingw since many
1736 # GCC versions complain about %I64.
1738 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1741 AC_ARG_ENABLE(build-warnings,
1742 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1743 [case "${enableval}" in
1745 no) build_warnings="-w";;
1746 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1747 build_warnings="${build_warnings} ${t}";;
1748 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1749 build_warnings="${t} ${build_warnings}";;
1750 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1752 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1753 echo "Setting compiler warning flags = $build_warnings" 6>&1
1755 AC_ARG_ENABLE(gdb-build-warnings,
1756 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1757 [case "${enableval}" in
1759 no) build_warnings="-w";;
1760 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1761 build_warnings="${build_warnings} ${t}";;
1762 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1763 build_warnings="${t} ${build_warnings}";;
1764 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1766 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1767 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1770 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1772 AC_MSG_CHECKING(compiler warning flags)
1773 # Separate out the -Werror flag as some files just cannot be
1774 # compiled with it enabled.
1775 for w in ${build_warnings}; do
1777 -Werr*) WERROR_CFLAGS=-Werror ;;
1778 *) # Check that GCC accepts it
1779 saved_CFLAGS="$CFLAGS"
1781 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1782 CFLAGS="$saved_CFLAGS"
1785 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1787 AC_SUBST(WARN_CFLAGS)
1788 AC_SUBST(WERROR_CFLAGS)
1790 # In the Cygwin environment, we need some additional flags.
1791 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1792 [AC_EGREP_CPP(lose, [
1793 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1795 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1798 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1799 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1801 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1802 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1803 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1805 AC_SUBST(SER_HARDWIRE)
1807 # libreadline needs libuser32.a in a cygwin environment
1809 if test x$gdb_cv_os_cygwin = xyes; then
1810 WIN32LIBS="-luser32"
1812 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1817 # The ser-tcp.c module requires sockets.
1820 AC_DEFINE(USE_WIN32API, 1,
1821 [Define if we should use the Windows API, instead of the
1822 POSIX API. On Windows, we use the Windows API when
1823 building for MinGW, but the POSIX API when building
1825 WIN32LIBS="$WIN32LIBS -lws2_32"
1830 # Add ELF support to GDB, but only if BFD includes ELF support.
1832 OLD_LDFLAGS=$LDFLAGS
1834 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1835 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1836 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1837 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1838 if test "$plugins" = "yes"; then
1841 LIBS="-lbfd -liberty $intl $LIBS"
1842 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1844 [#include <stdlib.h>
1846 #include "elf-bfd.h"
1848 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1849 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1850 if test $gdb_cv_var_elf = yes; then
1851 CONFIG_OBS="$CONFIG_OBS elfread.o"
1852 AC_DEFINE(HAVE_ELF, 1,
1853 [Define if ELF support should be included.])
1854 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1855 if test "$plugins" = "yes"; then
1856 OLD_LIBS="-ldl $OLD_LIBS"
1860 LDFLAGS=$OLD_LDFLAGS
1863 # Add any host-specific objects to GDB.
1864 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1866 LIBGUI="../libgui/src/libgui.a"
1867 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1869 AC_SUBST(GUI_CFLAGS_X)
1873 AC_SUBST(WIN32LDAPP)
1876 *-*-cygwin* | *-*-mingw* )
1885 if test "${enable_gdbtk}" = "yes"; then
1887 # Gdbtk must have an absolute path to srcdir in order to run
1888 # properly when not installed.
1896 # If $no_tk is nonempty, then we can't do Tk, and there is no
1897 # point to doing Tcl.
1900 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1903 # Check for in-tree tcl
1910 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1914 # Find Tcl private headers
1915 if test x"${intree}" = xno; then
1916 CY_AC_TCL_PRIVATE_HEADERS
1917 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1918 TCL_LIBRARY="${TCL_LIB_SPEC}"
1921 # If building tcl in the same src tree, private headers
1922 # are not needed, but we need to be sure to use the right
1924 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1925 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1926 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1928 AC_SUBST(TCL_INCLUDE)
1929 AC_SUBST(TCL_LIBRARY)
1934 # Check for in-tree Tk
1936 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1940 # Find Tk private headers
1941 if test x"${intree}" = xno; then
1942 CY_AC_TK_PRIVATE_HEADERS
1943 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1944 TK_LIBRARY=${TK_LIB_SPEC}
1947 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1948 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1949 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1951 AC_SUBST(TK_INCLUDE)
1952 AC_SUBST(TK_LIBRARY)
1954 AC_SUBST(TK_XINCLUDES)
1956 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1958 # Include some libraries that Tcl and Tk want.
1959 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1960 # Yes, the ordering seems wrong here. But it isn't.
1961 # TK_LIBS is the list of libraries that need to be linked
1962 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1963 # were in LIBS then any link tests after this point would
1964 # try to include things like `$(LIBGUI)', which wouldn't work.
1965 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1967 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1968 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1969 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1970 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1971 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1972 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1973 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1975 if test x$gdb_cv_os_cygwin = xyes; then
1976 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1977 WIN32LDAPP="-Wl,--subsystem,console"
1978 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1981 AC_CONFIG_SUBDIRS(gdbtk)
1989 AC_SUBST(GDBTK_CFLAGS)
1990 AC_SUBST(GDBTK_SRC_DIR)
1994 # Unlike the sim directory, whether a simulator is linked is controlled by
1995 # presence of a gdb_sim definition in the target configure.tgt entry.
1996 # This code just checks for a few cases where we'd like to ignore those
1997 # definitions, even when they're present in the '.mt' file. These cases
1998 # are when --disable-sim is specified, or if the simulator directory is
1999 # not part of the source tree.
2002 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2003 [echo "enable_sim = $enable_sim";
2004 echo "enableval = ${enableval}";
2005 case "${enableval}" in
2006 yes) ignore_sim=false ;;
2007 no) ignore_sim=true ;;
2008 *) ignore_sim=false ;;
2012 if test ! -d "${srcdir}/../sim"; then
2018 if test "${ignore_sim}" = "false"; then
2019 if test x"${gdb_sim}" != x ; then
2021 SIM_OBS="remote-sim.o"
2022 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2028 AC_SUBST(ENABLE_CFLAGS)
2029 AC_SUBST(PROFILE_CFLAGS)
2031 AC_SUBST(CONFIG_OBS)
2032 AC_SUBST(CONFIG_DEPS)
2033 AC_SUBST(CONFIG_SRCS)
2034 AC_SUBST(CONFIG_ALL)
2035 AC_SUBST(CONFIG_CLEAN)
2036 AC_SUBST(CONFIG_INSTALL)
2037 AC_SUBST(CONFIG_UNINSTALL)
2039 # List of host floatformats.
2040 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2041 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2042 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2044 # target_subdir is used by the testsuite to find the target libraries.
2046 if test "${host}" != "${target}"; then
2047 target_subdir="${target_alias}/"
2049 AC_SUBST(target_subdir)
2052 if test "${gdb_native}" = "yes"; then
2053 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2054 if test ! -f ${host_makefile_frag}; then
2055 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2057 frags="$frags $host_makefile_frag"
2059 host_makefile_frag=/dev/null
2062 AC_SUBST_FILE(host_makefile_frag)
2066 if test "${gdb_native}" = "yes"; then
2067 # We pick this up from the host configuration file (.mh) because we
2068 # do not have a native configuration Makefile fragment.
2069 nativefile=`sed -n '
2070 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2071 ' ${host_makefile_frag}`
2075 if test x"${gdb_osabi}" != x ; then
2076 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2077 [Define to the default OS ABI for this configuration.])
2080 # Enable multi-ice-gdb-server.
2081 AC_ARG_ENABLE(multi-ice,
2082 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2086 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2088 if test "x$enable_multi_ice" = xyes; then
2089 AC_CONFIG_SUBDIRS(multi-ice)
2092 AC_ARG_ENABLE(gdbserver,
2093 AS_HELP_STRING([--enable-gdbserver],
2094 [automatically build gdbserver (yes/no/auto, default is auto)]),
2095 [case "${enableval}" in
2097 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2098 esac],[enable_gdbserver=auto])
2100 # We only build gdbserver automatically in a native configuration, and
2101 # only if the user did not explicitly disable its build.
2102 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2103 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2104 if test "x$build_gdbserver" = xyes; then
2106 AC_CONFIG_SUBDIRS(gdbserver)
2107 gdbserver_build_enabled=yes
2113 # If the user explicitly request the gdbserver to be built, verify that
2114 # we were in fact able to enable it.
2115 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2116 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2119 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2120 # to an empty version.
2126 if test "${nativefile}" != ""; then
2127 case "${nativefile}" in
2128 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2129 * ) GDB_NM_FILE="${nativefile}"
2131 files="${files} ${GDB_NM_FILE}"
2132 links="${links} nm.h"
2133 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2135 AC_SUBST(GDB_NM_FILE)
2137 AC_LINK_FILES($files, $links)
2139 dnl Check for exe extension set on certain hosts (e.g. Win32)
2142 dnl Detect the character set used by this host.
2143 dnl At the moment, we just assume it's UTF-8.
2144 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2145 [Define to be a string naming the default host character set.])
2147 AC_OUTPUT(Makefile .gdbinit:gdbinit.in doc/Makefile gnulib/Makefile data-directory/Makefile,
2149 case x$CONFIG_HEADERS in
2150 xconfig.h:config.in)