1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 dnl 2005, 2006, 2007, 2008, 2009
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)
38 # Dependency checking.
40 ZW_PROG_COMPILER_DEPENDENCIES([CC])
42 # Check for the 'make' the user wants to use.
43 AC_CHECK_PROGS(MAKE, make)
45 case "`$MAKE --version 2>&1 | sed 1q`" in
50 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
53 dnl List of object files and targets accumulated by configure.
65 dnl Set up for gettext.
66 ZW_GNU_GETTEXT_SISTER_DIR
68 localedir='${datadir}/locale'
71 if test x"$USE_NLS" = xyes; then
72 CONFIG_ALL="$CONFIG_ALL all-po"
73 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
74 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
75 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
80 # For Makefile dependencies.
82 if test x"$STDINT_H" != x; then
83 GNULIB_STDINT_H=gnulib/$STDINT_H
85 AC_SUBST(GNULIB_STDINT_H)
88 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
91 # GDB does not use automake, but gnulib does. This line lets us
92 # generate its Makefile.in.
93 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
95 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
96 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
99 # GDB's datadir relocation
101 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
102 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
105 AC_ARG_WITH(relocated-sources,
106 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
107 [reloc_srcdir="${withval}"
108 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
109 [Relocated directory for source files. ])
112 AC_CONFIG_SUBDIRS(doc testsuite)
114 # Check whether to support alternative target configurations
115 AC_ARG_ENABLE(targets,
116 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
117 [case "${enableval}" in
118 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
120 no) enable_targets= ;;
121 *) enable_targets=$enableval ;;
124 # Check whether to enable 64-bit support on 32-bit hosts
125 AC_ARG_ENABLE(64-bit-bfd,
126 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
127 [case "${enableval}" in
130 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
131 esac],[want64=false])dnl
133 # Provide defaults for some variables set by the per-host and per-target
135 gdb_host_obs=posix-hdep.o
137 if test "${target}" = "${host}"; then
143 . $srcdir/configure.host
145 # Accumulate some settings from configure.tgt over all enabled targets
150 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
152 if test "$targ_alias" = "all"; then
155 # Canonicalize the secondary target names.
156 result=`$ac_config_sub $targ_alias 2>/dev/null`
157 if test -n "$result"; then
163 . ${srcdir}/configure.tgt
165 # Target-specific object files
166 for i in ${gdb_target_obs}; do
167 case " $TARGET_OBS " in
170 TARGET_OBS="$TARGET_OBS ${i}"
175 # Check whether this target needs 64-bit CORE_ADDR
176 if test x${want64} = xfalse; then
177 . ${srcdir}/../bfd/config.bfd
182 if test x${all_targets} = xtrue; then
184 # We want all 64-bit targets if we either:
185 # - run on a 64-bit host or
186 # - already require 64-bit support for some other target or
187 # - the --enable-64-bit-bfd option was supplied
188 # Otherwise we only support all 32-bit targets.
190 # NOTE: This test must be in sync with the corresponding
193 if test x${want64} = xfalse; then
194 AC_CHECK_SIZEOF(long)
195 if test "x${ac_cv_sizeof_long}" = "x8"; then
199 if test x${want64} = xtrue; then
200 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
202 TARGET_OBS='$(ALL_TARGET_OBS)'
208 # For other settings, only the main target counts.
212 targ=$target; . ${srcdir}/configure.tgt
214 # Fetch the default architecture and default target vector from BFD.
215 targ=$target; . $srcdir/../bfd/config.bfd
217 # We only want the first architecture, so strip off the others if
218 # there is more than one.
219 targ_archs=`echo $targ_archs | sed 's/ .*//'`
221 if test "x$targ_archs" != x; then
222 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
223 [Define to BFD's default architecture. ])
225 if test "x$targ_defvec" != x; then
226 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
227 [Define to BFD's default target vector. ])
230 # The CLI cannot be disabled yet, but may be in the future.
233 AC_ARG_ENABLE(gdbcli,
234 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
239 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
241 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
244 if test x"$enable_gdbcli" = xyes; then
245 if test -d $srcdir/cli; then
246 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
247 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
248 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
249 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
255 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
260 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
263 if test x"$enable_gdbmi" = xyes; then
264 if test -d $srcdir/mi; then
265 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
266 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
267 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
268 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
274 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
279 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
280 esac],enable_tui=auto)
284 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
289 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
291 [if test -d $srcdir/gdbtk; then
296 # We unconditionally disable gdbtk tests on selected platforms.
299 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
304 AC_ARG_WITH(libunwind,
305 AS_HELP_STRING([--with-libunwind], [use libunwind frame unwinding support]),
306 [case "${withval}" in
307 yes) enable_libunwind=yes ;;
308 no) enable_libunwind=no ;;
309 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
311 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
312 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
313 enable_libunwind=yes;
317 if test x"$enable_libunwind" = xyes; then
318 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
319 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
320 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
321 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
322 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
326 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
329 if test "$opt_curses" = "yes"; then
334 AC_ARG_ENABLE(profiling,
335 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
340 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
342 [enable_profiling=no])
344 AC_CHECK_FUNCS(monstartup _mcleanup)
345 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
350 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
351 if test $ac_cv_var__etext = yes; then
352 AC_DEFINE(HAVE__ETEXT, 1,
353 [Define to 1 if your system has the _etext variable. ])
355 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
360 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
361 if test $ac_cv_var_etext = yes; then
362 AC_DEFINE(HAVE_ETEXT, 1,
363 [Define to 1 if your system has the etext variable. ])
365 if test "$enable_profiling" = yes ; then
366 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
367 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
371 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
373 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
374 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
375 ac_cv_cc_supports_pg=no)])
377 if test $ac_cv_cc_supports_pg = no; then
378 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
384 ACX_PKGVERSION([GDB])
385 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
386 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
387 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
389 # --------------------- #
390 # Checks for programs. #
391 # --------------------- #
399 AC_CHECK_TOOL(AR, ar)
400 AC_CHECK_TOOL(DLLTOOL, dlltool)
401 AC_CHECK_TOOL(WINDRES, windres)
403 # Needed for GNU/Hurd.
404 AC_CHECK_TOOL(MIG, mig)
406 # ---------------------- #
407 # Checks for libraries. #
408 # ---------------------- #
410 # We might need to link with -lm; most simulators need it.
411 AC_CHECK_LIB(m, main)
413 # We need to link with -lw to get `wctype' on Solaris before Solaris
414 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
415 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
416 # is known to have this problem). Therefore we avoid libw if we can.
417 AC_CHECK_FUNC(wctype, [],
418 [AC_CHECK_LIB(w, wctype)])
420 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
421 AC_SEARCH_LIBS(gethostbyname, nsl)
423 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
424 AC_SEARCH_LIBS(socketpair, socket)
426 # Link in zlib if we can. This allows us to read compressed debug sections.
427 AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
429 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
430 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
434 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
435 # There is a very specific comment in /usr/include/curses.h explaining that
436 # termcap routines built into libcurses must not be used.
438 # The symptoms we observed so far is GDB unexpectedly changing
439 # the terminal settings when tgetent is called - this is particularly
440 # visible as the output is missing carriage returns, and so rapidly
441 # becomes very hard to read.
443 # The readline configure script has already decided that libtermcap
444 # was enough for its purposes, and so decided to build readline using
445 # libtermcap. Since the TUI mode requires curses, building GDB with
446 # TUI enabled results in both libraries to be used at the same time,
447 # which is not allowed. This basically means that GDB with TUI is
448 # broken on alpha-osf.
452 if "$enable_tui" = "yes"; then
453 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
455 if "$enable_tui" = "auto"; then
461 # For the TUI, we need enhanced curses functionality.
462 if test x"$enable_tui" != xno; then
467 if test x"$prefer_curses" = xyes; then
468 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
469 # curses library because the latter might not provide all the
470 # functionality we need. However, this leads to problems on systems
471 # where the linker searches /usr/local/lib, but the compiler doesn't
472 # search /usr/local/include, if ncurses is installed in /usr/local. A
473 # default installation of ncurses on alpha*-dec-osf* will lead to such
475 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
477 if test "$ac_cv_search_waddstr" != no; then
482 # Check whether we should enable the TUI, but only do so if we really
484 if test x"$enable_tui" != xno; then
485 if test -d $srcdir/tui; then
486 if test "$curses_found" != no; then
487 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
488 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
489 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
490 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
491 CONFIG_ALL="${CONFIG_ALL} all-tui"
492 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
493 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
494 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
496 if test x"$enable_tui" = xyes; then
497 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
499 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
505 # Since GDB uses Readline, we need termcap functionality. In many
506 # cases this will be provided by the curses library, but some systems
507 # have a seperate termcap library, or no curses library at all.
511 if test -d $srcdir/libtermcap; then
512 LIBS="../libtermcap/libtermcap.a $LIBS"
513 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
516 ac_cv_search_tgetent="none required"
519 ac_cv_search_tgetent="none required"
520 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
524 # These are the libraries checked by Readline.
525 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
527 if test "$ac_cv_search_tgetent" = no; then
528 AC_MSG_ERROR([no termcap library found])
531 AC_ARG_WITH([system-readline],
532 [AS_HELP_STRING([--with-system-readline],
533 [use installed readline library])])
535 if test "$with_system_readline" = yes; then
540 READLINE='$(READLINE_DIR)/libreadline.a'
541 READLINE_DEPS='$(READLINE)'
542 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
545 AC_SUBST(READLINE_DEPS)
546 AC_SUBST(READLINE_CFLAGS)
549 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
550 [], [with_expat=auto])
551 AC_MSG_CHECKING([whether to use expat])
552 AC_MSG_RESULT([$with_expat])
554 if test "${with_expat}" = no; then
555 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
558 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
559 [XML_Parser p = XML_ParserCreate (0);])
560 if test "$HAVE_LIBEXPAT" != yes; then
561 if test "$with_expat" = yes; then
562 AC_MSG_ERROR([expat is missing or unusable])
564 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
568 LIBS="$LIBS $LIBEXPAT"
569 AC_CHECK_FUNCS(XML_StopParser)
574 dnl Utility to simplify finding libpython.
575 AC_DEFUN([AC_TRY_LIBPYTHON],
578 define([have_libpython_var],$2)
579 define([VERSION],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
580 [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
582 AC_MSG_CHECKING([for ${version}])
584 LIBS="$LIBS -l${version}"
585 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]],
586 [[Py_Initialize ();]]),
587 [[HAVE_LIB]VERSION=yes
588 have_libpython_var=yes],
590 AC_MSG_RESULT([$[HAVE_LIB]VERSION])
594 AS_HELP_STRING([--with-python], [include python support (auto/yes/no/<path>)]),
595 [], [with_python=auto])
596 AC_MSG_CHECKING([whether to use python])
597 AC_MSG_RESULT([$with_python])
599 if test "${with_python}" = no; then
600 AC_MSG_WARN([python support disabled; some features may be unavailable.])
603 case "${with_python}" in
605 # Leave as empty, use defaults.
610 python_includes="-I${with_python}/include"
611 python_libs="-L${with_python}/lib"
614 AC_ERROR(invalid value for --with-python)
618 save_CPPFLAGS=$CPPFLAGS
619 CPPFLAGS="$CPPFLAGS ${python_includes}"
621 LIBS="$LIBS ${python_libs}"
623 if test "${have_libpython}" = no; then
624 AC_TRY_LIBPYTHON(python2.6, have_libpython)
625 if test "${HAVE_LIBPYTHON2_6}" = yes; then
626 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
629 if test ${have_libpython} = no; then
630 AC_TRY_LIBPYTHON(python2.5, have_libpython)
631 if test "${HAVE_LIBPYTHON2_5}" = yes; then
632 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
635 if test ${have_libpython} = no; then
636 AC_TRY_LIBPYTHON(python2.4, have_libpython)
637 if test "${HAVE_LIBPYTHON2_4}" = yes; then
638 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
641 if test ${have_libpython} = no; then
642 case "${with_python}" in
644 AC_MSG_ERROR([python is missing or unusable])
647 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
650 AC_MSG_ERROR([no usable python found at ${with_python}])
653 CPPFLAGS=$save_CPPFLAGS
658 if test "${have_libpython}" = yes; then
659 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
660 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
661 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
662 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
663 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
665 # Flags needed to compile Python code (taken from python-config --cflags).
666 # We cannot call python-config directly because it will output whatever was
667 # used when compiling the Python interpreter itself, including flags which
668 # would make the python-related objects be compiled differently from the
669 # rest of GDB (e.g., -O2 and -fPIC).
670 if test "${GCC}" = yes; then
671 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
674 if test "x${tentative_python_cflags}" != x; then
675 AC_MSG_CHECKING(compiler flags for python code)
676 for flag in ${tentative_python_cflags}; do
677 # Check that the compiler accepts it
678 saved_CFLAGS="$CFLAGS"
679 CFLAGS="$CFLAGS $flag"
680 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
681 CFLAGS="$saved_CFLAGS"
683 AC_MSG_RESULT(${PYTHON_CFLAGS})
686 # Even if Python support is not compiled in, we need to have these files
687 # included in order to recognize the GDB command "python".
688 CONFIG_OBS="$CONFIG_OBS python.o python-value.o python-prettyprint.o"
689 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/python-value.c python/python-prettyprint.c"
691 AC_SUBST(PYTHON_CFLAGS)
693 # ------------------------- #
694 # Checks for header files. #
695 # ------------------------- #
700 # elf_hp.h is for HP/UX 64-bit shared library support.
701 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
702 # unconditionally, so what's the point in checking these?
703 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
704 thread_db.h gnu/libc-version.h signal.h stddef.h \
705 stdlib.h string.h memory.h strings.h sys/fault.h \
706 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
707 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
708 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
709 sys/types.h sys/wait.h wait.h termios.h termio.h \
710 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
711 AC_CHECK_HEADERS(link.h, [], [],
712 [#if HAVE_SYS_TYPES_H
713 # include <sys/types.h>
719 AC_CHECK_HEADERS(sys/proc.h, [], [],
720 [#if HAVE_SYS_PARAM_H
721 # include <sys/param.h>
724 AC_CHECK_HEADERS(sys/user.h, [], [],
725 [#if HAVE_SYS_PARAM_H
726 # include <sys/param.h>
730 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
731 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
732 # think that we don't have <curses.h> if we're using GCC.
735 if test "$GCC" = yes; then
736 AC_DEFINE(_MSE_INT_H, 1,
737 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
738 Solaris 2.[789] when using GCC. ])
741 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
742 AC_CHECK_HEADERS(term.h, [], [],
748 # ------------------------- #
749 # Checks for declarations. #
750 # ------------------------- #
752 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
753 snprintf, vsnprintf])
756 # ----------------------- #
757 # Checks for structures. #
758 # ----------------------- #
760 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
762 # ------------------ #
763 # Checks for types. #
764 # ------------------ #
767 AC_CHECK_TYPES(socklen_t, [], [],
768 [#include <sys/types.h>
769 #include <sys/socket.h>
772 # ------------------------------------- #
773 # Checks for compiler characteristics. #
774 # ------------------------------------- #
780 # ------------------------------ #
781 # Checks for library functions. #
782 # ------------------------------ #
787 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
788 getgid poll pread64 sbrk setpgid setpgrp setsid \
789 sigaction sigprocmask sigsetmask socketpair syscall \
790 ttrace wborder setlocale iconvlist libiconvlist btowc])
793 # Check the return and argument types of ptrace. No canned test for
794 # this, so roll our own.
797 # include <sys/types.h>
799 #if HAVE_SYS_PTRACE_H
800 # include <sys/ptrace.h>
806 # There is no point in checking if we don't have a prototype.
807 AC_CHECK_DECLS(ptrace, [], [
808 : ${gdb_cv_func_ptrace_ret='int'}
809 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
810 ], $gdb_ptrace_headers)
811 # Check return type. Varargs (used on GNU/Linux) conflict with the
812 # empty argument list, so check for that explicitly.
813 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
814 AC_TRY_COMPILE($gdb_ptrace_headers,
815 [extern long ptrace (enum __ptrace_request, ...);],
816 gdb_cv_func_ptrace_ret='long',
817 AC_TRY_COMPILE($gdb_ptrace_headers,
818 [extern int ptrace ();],
819 gdb_cv_func_ptrace_ret='int',
820 gdb_cv_func_ptrace_ret='long')))
821 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
822 [Define as the return type of ptrace.])
823 # Check argument types.
824 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
825 AC_TRY_COMPILE($gdb_ptrace_headers,
826 [extern long ptrace (enum __ptrace_request, ...);],
827 [gdb_cv_func_ptrace_args='int,int,long,long'],[
828 for gdb_arg1 in 'int' 'long'; do
829 for gdb_arg2 in 'pid_t' 'int' 'long'; do
830 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
831 for gdb_arg4 in 'int' 'long'; do
832 AC_TRY_COMPILE($gdb_ptrace_headers, [
833 extern $gdb_cv_func_ptrace_ret
834 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
835 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
837 for gdb_arg5 in 'int *' 'int' 'long'; do
838 AC_TRY_COMPILE($gdb_ptrace_headers, [
839 extern $gdb_cv_func_ptrace_ret
840 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
842 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
849 # Provide a safe default value.
850 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
852 ac_save_IFS=$IFS; IFS=','
853 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
856 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
857 [Define to the type of arg 3 for ptrace.])
858 if test -n "$[5]"; then
859 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
860 [Define to the type of arg 5 for ptrace.])
863 dnl AC_FUNC_SETPGRP does not work when cross compiling
864 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
865 if test "$cross_compiling" = no; then
868 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
872 if (setpgrp(1,1) == -1)
876 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
877 if test $ac_cv_func_setpgrp_void = yes; then
878 AC_DEFINE(SETPGRP_VOID, 1)
882 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
883 # since sigsetjmp might only be defined as a macro.
884 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
887 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
888 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
889 if test $gdb_cv_func_sigsetjmp = yes; then
890 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
893 # Assume we'll default to using the included libiberty regex.
894 gdb_use_included_regex=yes
896 # However, if the system regex is GNU regex, then default to *not*
897 # using the included regex.
900 [gdb_cv_have_gnu_regex],
902 [#include <gnu-versions.h>],
903 [#define REGEX_INTERFACE_VERSION 1
904 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
905 # error "Version mismatch"
907 gdb_cv_have_gnu_regex=yes,
908 gdb_cv_have_gnu_regex=no)])
909 if test $gdb_cv_have_gnu_regex = yes; then
910 gdb_use_included_regex=no
913 AC_ARG_WITH(included-regex,
914 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
915 gdb_with_regex=$withval,
916 gdb_with_regex=$gdb_use_included_regex)
917 if test "$gdb_with_regex" = yes; then
918 AC_DEFINE(USE_INCLUDED_REGEX, 1,
919 [Define to 1 if the regex included in libiberty should be used.])
922 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
923 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
924 [#include <sys/param.h>
925 #include <sys/proc.h>
928 # See if <sys/lwp.h> defines `struct lwp`.
929 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
930 [AC_TRY_COMPILE([#include <sys/param.h>
931 #include <sys/lwp.h>], [struct lwp l;],
932 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
933 if test $gdb_cv_struct_lwp = yes; then
934 AC_DEFINE(HAVE_STRUCT_LWP, 1,
935 [Define to 1 if your system has struct lwp.])
938 # See if <machine/reg.h> degines `struct reg'.
939 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
940 [AC_TRY_COMPILE([#include <sys/types.h>
941 #include <machine/reg.h>], [struct reg r;],
942 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
943 if test $gdb_cv_struct_reg = yes; then
944 AC_DEFINE(HAVE_STRUCT_REG, 1,
945 [Define to 1 if your system has struct reg in <machine/reg.h>.])
948 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
949 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
950 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
951 [#include <machine/reg.h>])
953 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
954 AC_MSG_CHECKING(for PTRACE_GETREGS)
955 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
956 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
958 [gdb_cv_have_ptrace_getregs=yes],
959 [gdb_cv_have_ptrace_getregs=no])])
960 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
961 if test $gdb_cv_have_ptrace_getregs = yes; then
962 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
963 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
966 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
967 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
968 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
969 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
970 [PTRACE_GETFPXREGS;],
971 [gdb_cv_have_ptrace_getfpxregs=yes],
972 [gdb_cv_have_ptrace_getfpxregs=no])])
973 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
974 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
975 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
976 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
979 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
980 AC_MSG_CHECKING(for PT_GETDBREGS)
981 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
982 [AC_TRY_COMPILE([#include <sys/types.h>
983 #include <sys/ptrace.h>],
985 [gdb_cv_have_pt_getdbregs=yes],
986 [gdb_cv_have_pt_getdbregs=no])])
987 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
988 if test $gdb_cv_have_pt_getdbregs = yes; then
989 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
990 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
993 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
994 AC_MSG_CHECKING(for PT_GETXMMREGS)
995 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
996 [AC_TRY_COMPILE([#include <sys/types.h>
997 #include <sys/ptrace.h>],
999 [gdb_cv_have_pt_getxmmregs=yes],
1000 [gdb_cv_have_pt_getxmmregs=no])])
1001 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1002 if test $gdb_cv_have_pt_getxmmregs = yes; then
1003 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1004 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1007 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1009 if test "${target}" = "${host}"; then
1011 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1012 AC_DEFINE(NEW_PROC_API, 1,
1013 [Define if you want to use new multi-fd /proc interface
1014 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1016 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1017 AC_DEFINE(NEW_PROC_API, 1,
1018 [Define if you want to use new multi-fd /proc interface
1019 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1022 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1023 AC_DEFINE([_KMEMUSER], 1,
1024 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1025 around a <sys/proc.h> problem on IRIX 5.])
1030 if test "$ac_cv_header_sys_procfs_h" = yes; then
1031 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1032 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1033 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1034 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1035 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1036 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1037 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1038 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1039 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1040 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1041 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1042 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1043 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1044 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1047 dnl Check for broken prfpregset_t type
1049 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1050 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1051 dnl instead of the struct itself). We detect this here, and work
1052 dnl around it in gdb_proc_service.h.
1054 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1055 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1056 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1057 [AC_TRY_RUN([#include <sys/procfs.h>
1060 if (sizeof (prfpregset_t) == sizeof (void *))
1064 gdb_cv_prfpregset_t_broken=no,
1065 gdb_cv_prfpregset_t_broken=yes,
1066 gdb_cv_prfpregset_t_broken=yes)])
1067 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1068 if test $gdb_cv_prfpregset_t_broken = yes; then
1069 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1070 [Define if the prfpregset_t type is broken.])
1074 dnl Check for PIOCSET ioctl entry
1076 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1077 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1078 [AC_TRY_COMPILE([#include <unistd.h>
1079 #include <sys/types.h>
1080 #include <sys/procfs.h>
1083 dummy = ioctl(0, PIOCSET, &dummy);
1085 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1086 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1087 if test $gdb_cv_have_procfs_piocset = yes; then
1088 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1089 [Define if ioctl argument PIOCSET is available.])
1093 dnl For native ports (host == target), check to see what kind of
1094 dnl legacy link.h support is needed. (See solib-legacy.c.)
1095 if test ${host} = ${target} ; then
1096 dnl Check for struct link_map with l_ members which are indicative
1097 dnl of SVR4-like shared libraries
1099 AC_MSG_CHECKING(for member l_addr in struct link_map)
1100 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1101 [AC_TRY_COMPILE([#include <link.h>],
1102 [struct link_map lm; (void) lm.l_addr;],
1103 gdb_cv_have_struct_link_map_with_l_members=yes,
1104 gdb_cv_have_struct_link_map_with_l_members=no)])
1105 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1106 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1107 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1108 [Define if <link.h> exists and defines struct link_map which has
1109 members with an ``l_'' prefix. (For Solaris, SVR4, and
1110 SVR4-like systems.)])
1113 dnl Check for struct link_map with lm_ members which are indicative
1114 dnl of SunOS-like shared libraries
1116 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1117 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1118 [AC_TRY_COMPILE([#include <sys/types.h>
1120 [struct link_map lm; (void) lm.lm_addr;],
1121 gdb_cv_have_struct_link_map_with_lm_members=yes,
1122 gdb_cv_have_struct_link_map_with_lm_members=no)])
1123 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1124 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1125 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1126 [Define if <link.h> exists and defines struct link_map which has
1127 members with an ``lm_'' prefix. (For SunOS.)])
1130 dnl Check for struct so_map with som_ members which are found on
1131 dnl some *BSD systems.
1133 AC_MSG_CHECKING(for member som_addr in struct so_map)
1134 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1135 [AC_TRY_COMPILE([#include <sys/types.h>
1140 [struct so_map lm; (void) lm.som_addr;],
1141 gdb_cv_have_struct_so_map_with_som_members=yes,
1142 gdb_cv_have_struct_so_map_with_som_members=no)])
1143 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1144 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1145 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1146 [Define if <link.h> exists and defines a struct so_map which has
1147 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1150 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1151 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1153 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1154 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1155 [AC_TRY_COMPILE([#define _SYSCALL32
1156 #include <sys/link.h>], [struct link_map32 l;],
1157 gdb_cv_have_struct_link_map32=yes,
1158 gdb_cv_have_struct_link_map32=no)])
1159 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1160 if test $gdb_cv_have_struct_link_map32 = yes; then
1161 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1162 [Define if <sys/link.h> has struct link_map32])
1163 AC_DEFINE(_SYSCALL32, 1,
1164 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1168 # Check if the compiler supports the `long long' type.
1170 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1171 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1172 [[extern long long foo;]],
1173 [[switch (foo & 2) { case 0: return 1; }]])],
1174 gdb_cv_c_long_long=yes,
1175 gdb_cv_c_long_long=no)])
1176 if test $gdb_cv_c_long_long = yes; then
1177 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1178 [Define to 1 if the compiler supports long long.])
1181 # Check if the compiler and runtime support printing long longs.
1183 AC_CACHE_CHECK([for long long support in printf],
1184 gdb_cv_printf_has_long_long,
1185 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1188 l = (l << 16) + 0x0123;
1189 l = (l << 16) + 0x4567;
1190 l = (l << 16) + 0x89ab;
1191 l = (l << 16) + 0xcdef;
1192 sprintf (buf, "0x%016llx", l);
1193 return (strcmp ("0x0123456789abcdef", buf));]])],
1194 gdb_cv_printf_has_long_long=yes,
1195 gdb_cv_printf_has_long_long=no,
1196 gdb_cv_printf_has_long_long=no)])
1197 if test $gdb_cv_printf_has_long_long = yes; then
1198 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1199 [Define to 1 if the "%ll" format works to print long longs.])
1202 # Check if the compiler and runtime support printing decfloats.
1204 AC_CACHE_CHECK([for decfloat support in printf],
1205 gdb_cv_printf_has_decfloat,
1206 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1208 _Decimal32 d32 = 1.2345df;
1209 _Decimal64 d64 = 1.2345dd;
1210 _Decimal128 d128 = 1.2345dl;
1211 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1212 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1213 gdb_cv_printf_has_decfloat=yes,
1214 gdb_cv_printf_has_decfloat=no,
1215 gdb_cv_printf_has_decfloat=no)])
1216 if test $gdb_cv_printf_has_decfloat = yes; then
1217 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1218 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1221 # Check if the compiler supports the `long double' type. We can't use
1222 # AC_C_LONG_DOUBLE because that one does additional checks on the
1223 # constants defined in <float.h> that fail on some systems,
1224 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1226 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1227 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1228 gdb_cv_c_long_double=yes,
1229 gdb_cv_c_long_double=no)])
1230 if test $gdb_cv_c_long_double = yes; then
1231 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1232 [Define to 1 if the compiler supports long double.])
1235 # Check if the compiler and runtime support printing long doubles.
1237 AC_CACHE_CHECK([for long double support in printf],
1238 gdb_cv_printf_has_long_double,
1239 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1241 long double f = 3.141592653;
1242 sprintf (buf, "%Lg", f);
1243 return (strncmp ("3.14159", buf, 7));]])],
1244 gdb_cv_printf_has_long_double=yes,
1245 gdb_cv_printf_has_long_double=no,
1246 gdb_cv_printf_has_long_double=no)])
1247 if test $gdb_cv_printf_has_long_double = yes; then
1248 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1249 [Define to 1 if the "%Lg" format works to print long doubles.])
1252 # Check if the compiler and runtime support scanning long doubles.
1254 AC_CACHE_CHECK([for long double support in scanf],
1255 gdb_cv_scanf_has_long_double,
1256 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1257 [[#include <stdio.h>]],
1258 [[char *buf = "3.141592653";
1260 sscanf (buf, "%Lg", &f);
1261 return !(f > 3.14159 && f < 3.14160);]])],
1262 gdb_cv_scanf_has_long_double=yes,
1263 gdb_cv_scanf_has_long_double=no,
1264 gdb_cv_scanf_has_long_double=no)])
1265 if test $gdb_cv_scanf_has_long_double = yes; then
1266 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1267 [Define to 1 if the "%Lg" format works to scan long doubles.])
1272 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1273 SAVE_LDFLAGS=$LDFLAGS
1276 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1277 *) gdb_cv_bigtoc=-bbigtoc ;;
1280 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1281 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1282 LDFLAGS="${SAVE_LDFLAGS}"
1284 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1289 dnl For certain native configurations, we need to check whether thread
1290 dnl support can be built in or not.
1292 dnl Note that we only want this if we are both native (host == target),
1293 dnl and not doing a canadian cross build (build == host).
1295 if test ${build} = ${host} -a ${host} = ${target} ; then
1298 AC_MSG_CHECKING(for HPUX/OSF thread support)
1299 if test -f /usr/include/dce/cma_config.h ; then
1300 if test "$GCC" = "yes" ; then
1302 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1303 [Define if you have HPUX threads])
1304 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1305 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1307 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1314 # See if thread_db library is around for Solaris thread debugging.
1315 # Note that we must explicitly test for version 1 of the library
1316 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1318 AC_MSG_CHECKING(for Solaris thread debugging library)
1319 if test -f /usr/lib/libthread_db.so.1 ; then
1321 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1322 [Define if using Solaris thread debugging.])
1323 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1324 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1325 AC_CHECK_LIB(dl, dlopen)
1326 if test "$GCC" = "yes" ; then
1327 # The GNU linker requires the -export-dynamic option to make
1328 # all symbols visible in the dynamic symbol table.
1329 hold_ldflags=$LDFLAGS
1330 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1331 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1332 AC_TRY_LINK(, [int i;], found=yes, found=no)
1333 LDFLAGS=$hold_ldflags
1334 AC_MSG_RESULT($found)
1335 if test $found = yes; then
1336 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1339 # Sun randomly tweaked the prototypes in <proc_service.h>
1341 AC_MSG_CHECKING(if <proc_service.h> is old)
1342 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1344 #include <proc_service.h>
1346 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1347 ],, gdb_cv_proc_service_is_old=no,
1348 gdb_cv_proc_service_is_old=yes)
1350 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1351 if test $gdb_cv_proc_service_is_old = yes; then
1352 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1353 [Define if <proc_service.h> on solaris uses int instead of
1354 size_t, and assorted other type changes.])
1361 AC_MSG_CHECKING(for AiX thread debugging library)
1362 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1363 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1364 [#ifndef PTHDB_VERSION_3
1367 gdb_cv_have_aix_thread_debug=yes,
1368 gdb_cv_have_aix_thread_debug=no)])
1369 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1370 if test $gdb_cv_have_aix_thread_debug = yes; then
1371 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1372 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1373 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1377 AC_SUBST(CONFIG_LDFLAGS)
1380 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1381 dnl other error codes.
1382 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1383 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1384 gdb_cv_thread_db_h_has_td_notalloc,
1386 [#include <thread_db.h>],
1387 [int i = TD_NOTALLOC;],
1388 gdb_cv_thread_db_h_has_td_notalloc=yes,
1389 gdb_cv_thread_db_h_has_td_notalloc=no
1392 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1393 gdb_cv_thread_db_h_has_td_version,
1395 [#include <thread_db.h>],
1396 [int i = TD_VERSION;],
1397 gdb_cv_thread_db_h_has_td_version=yes,
1398 gdb_cv_thread_db_h_has_td_version=no
1401 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1402 gdb_cv_thread_db_h_has_td_notls,
1404 [#include <thread_db.h>],
1405 [int i = TD_NOTLS;],
1406 gdb_cv_thread_db_h_has_td_notls=yes,
1407 gdb_cv_thread_db_h_has_td_notls=no
1411 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1412 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1413 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1415 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1416 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1417 [Define if <thread_db.h> has the TD_VERSION error code.])
1419 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1420 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1421 [Define if <thread_db.h> has the TD_NOTLS error code.])
1424 dnl See if we have a sys/syscall header file that has __NR_tkill.
1425 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1426 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1427 gdb_cv_sys_syscall_h_has_tkill,
1429 [#include <sys/syscall.h>],
1430 [int i = __NR_tkill;],
1431 gdb_cv_sys_syscall_h_has_tkill=yes,
1432 gdb_cv_sys_syscall_h_has_tkill=no
1436 dnl See if we can issue tkill syscall.
1437 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1438 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1441 dnl Check if we can disable the virtual address space randomization.
1442 dnl The functionality of setarch -R.
1443 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1444 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1445 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1446 # define ADDR_NO_RANDOMIZE 0x0040000
1448 /* Test the flag could be set and stays set. */
1449 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1450 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1452 AC_RUN_IFELSE([PERSONALITY_TEST],
1453 [have_personality=true],
1454 [have_personality=false],
1455 [AC_LINK_IFELSE([PERSONALITY_TEST],
1456 [have_personality=true],
1457 [have_personality=false])])
1458 if $have_personality
1460 AC_DEFINE([HAVE_PERSONALITY], 1,
1461 [Define if you support the personality syscall.])
1464 dnl Handle optional features that can be enabled.
1466 target_sysroot_reloc=0
1467 AC_ARG_WITH(sysroot,
1468 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1470 case ${with_sysroot} in
1471 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1472 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1475 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1477 if test "x$prefix" = xNONE; then
1478 test_prefix=/usr/local
1482 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1483 test_exec_prefix=$test_prefix
1485 test_exec_prefix=$exec_prefix
1487 case ${TARGET_SYSTEM_ROOT} in
1488 "${test_prefix}"|"${test_prefix}/"*|\
1489 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1490 '${prefix}'|'${prefix}/'*|\
1491 '${exec_prefix}'|'${exec_prefix}/'*)
1492 target_sysroot_reloc=1
1497 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1499 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1500 AC_SUBST(TARGET_SYSTEM_ROOT)
1501 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1503 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1504 [automatically load a system-wide gdbinit file],
1507 AC_ARG_ENABLE(werror,
1508 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1509 [case "${enableval}" in
1510 yes | y) ERROR_ON_WARNING="yes" ;;
1511 no | n) ERROR_ON_WARNING="no" ;;
1512 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1515 # Enable -Werror by default when using gcc
1516 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1517 ERROR_ON_WARNING=yes
1521 if test "${ERROR_ON_WARNING}" = yes ; then
1522 WERROR_CFLAGS="-Werror"
1525 # The entries after -Wno-pointer-sign are disabled warnings which may
1526 # be enabled in the future, which can not currently be used to build
1528 # NOTE: If you change this list, remember to update
1529 # gdb/doc/gdbint.texinfo.
1530 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1531 -Wformat-nonliteral -Wno-pointer-sign \
1532 -Wno-unused -Wno-switch -Wno-char-subscripts"
1534 # Enable -Wno-format by default when using gcc on mingw since many
1535 # GCC versions complain about %I64.
1537 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1540 AC_ARG_ENABLE(build-warnings,
1541 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1542 [case "${enableval}" in
1544 no) build_warnings="-w";;
1545 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1546 build_warnings="${build_warnings} ${t}";;
1547 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1548 build_warnings="${t} ${build_warnings}";;
1549 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1551 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1552 echo "Setting compiler warning flags = $build_warnings" 6>&1
1554 AC_ARG_ENABLE(gdb-build-warnings,
1555 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1556 [case "${enableval}" in
1558 no) build_warnings="-w";;
1559 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1560 build_warnings="${build_warnings} ${t}";;
1561 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1562 build_warnings="${t} ${build_warnings}";;
1563 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1565 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1566 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1569 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1571 AC_MSG_CHECKING(compiler warning flags)
1572 # Separate out the -Werror flag as some files just cannot be
1573 # compiled with it enabled.
1574 for w in ${build_warnings}; do
1576 -Werr*) WERROR_CFLAGS=-Werror ;;
1577 *) # Check that GCC accepts it
1578 saved_CFLAGS="$CFLAGS"
1580 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1581 CFLAGS="$saved_CFLAGS"
1584 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1586 AC_SUBST(WARN_CFLAGS)
1587 AC_SUBST(WERROR_CFLAGS)
1589 # In the Cygwin environment, we need some additional flags.
1590 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1591 [AC_EGREP_CPP(lose, [
1592 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1594 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1597 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1598 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1600 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1601 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1602 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1604 AC_SUBST(SER_HARDWIRE)
1606 # libreadline needs libuser32.a in a cygwin environment
1608 if test x$gdb_cv_os_cygwin = xyes; then
1609 WIN32LIBS="-luser32"
1611 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1616 # The ser-tcp.c module requires sockets.
1619 AC_DEFINE(USE_WIN32API, 1,
1620 [Define if we should use the Windows API, instead of the
1621 POSIX API. On Windows, we use the Windows API when
1622 building for MinGW, but the POSIX API when building
1624 WIN32LIBS="$WIN32LIBS -lws2_32"
1629 # Add ELF support to GDB, but only if BFD includes ELF support.
1631 OLD_LDFLAGS=$LDFLAGS
1633 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1634 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1635 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1636 LIBS="-lbfd -liberty $intl $LIBS"
1637 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1639 [#include <stdlib.h>
1641 #include "elf-bfd.h"
1643 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1644 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1645 if test $gdb_cv_var_elf = yes; then
1646 CONFIG_OBS="$CONFIG_OBS elfread.o"
1647 AC_DEFINE(HAVE_ELF, 1,
1648 [Define if ELF support should be included.])
1651 LDFLAGS=$OLD_LDFLAGS
1654 # Add any host-specific objects to GDB.
1655 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1657 LIBGUI="../libgui/src/libgui.a"
1658 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1660 AC_SUBST(GUI_CFLAGS_X)
1664 AC_SUBST(WIN32LDAPP)
1667 *-*-cygwin* | *-*-mingw* )
1676 if test "${enable_gdbtk}" = "yes"; then
1678 # Gdbtk must have an absolute path to srcdir in order to run
1679 # properly when not installed.
1687 # If $no_tk is nonempty, then we can't do Tk, and there is no
1688 # point to doing Tcl.
1691 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1694 # Check for in-tree tcl
1701 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1705 # Find Tcl private headers
1706 if test x"${intree}" = xno; then
1707 CY_AC_TCL_PRIVATE_HEADERS
1708 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1709 TCL_LIBRARY="${TCL_LIB_SPEC}"
1712 # If building tcl in the same src tree, private headers
1713 # are not needed, but we need to be sure to use the right
1715 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1716 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1717 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1719 AC_SUBST(TCL_INCLUDE)
1720 AC_SUBST(TCL_LIBRARY)
1725 # Check for in-tree Tk
1727 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1731 # Find Tk private headers
1732 if test x"${intree}" = xno; then
1733 CY_AC_TK_PRIVATE_HEADERS
1734 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1735 TK_LIBRARY=${TK_LIB_SPEC}
1738 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1739 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1740 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1742 AC_SUBST(TK_INCLUDE)
1743 AC_SUBST(TK_LIBRARY)
1745 AC_SUBST(TK_XINCLUDES)
1747 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1749 # Include some libraries that Tcl and Tk want.
1750 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1751 # Yes, the ordering seems wrong here. But it isn't.
1752 # TK_LIBS is the list of libraries that need to be linked
1753 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1754 # were in LIBS then any link tests after this point would
1755 # try to include things like `$(LIBGUI)', which wouldn't work.
1756 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1758 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1759 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1760 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1761 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1762 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1763 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1764 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1766 if test x$gdb_cv_os_cygwin = xyes; then
1767 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1768 WIN32LDAPP="-Wl,--subsystem,console"
1769 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1772 AC_CONFIG_SUBDIRS(gdbtk)
1780 AC_SUBST(GDBTK_CFLAGS)
1781 AC_SUBST(GDBTK_SRC_DIR)
1785 # Unlike the sim directory, whether a simulator is linked is controlled by
1786 # presence of a gdb_sim definition in the target configure.tgt entry.
1787 # This code just checks for a few cases where we'd like to ignore those
1788 # definitions, even when they're present in the '.mt' file. These cases
1789 # are when --disable-sim is specified, or if the simulator directory is
1790 # not part of the source tree.
1793 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
1794 [echo "enable_sim = $enable_sim";
1795 echo "enableval = ${enableval}";
1796 case "${enableval}" in
1797 yes) ignore_sim=false ;;
1798 no) ignore_sim=true ;;
1799 *) ignore_sim=false ;;
1803 if test ! -d "${srcdir}/../sim"; then
1809 if test "${ignore_sim}" = "false"; then
1810 if test x"${gdb_sim}" != x ; then
1812 SIM_OBS="remote-sim.o"
1813 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1819 AC_SUBST(ENABLE_CFLAGS)
1820 AC_SUBST(PROFILE_CFLAGS)
1822 AC_SUBST(CONFIG_OBS)
1823 AC_SUBST(CONFIG_DEPS)
1824 AC_SUBST(CONFIG_SRCS)
1825 AC_SUBST(CONFIG_ALL)
1826 AC_SUBST(CONFIG_CLEAN)
1827 AC_SUBST(CONFIG_INSTALL)
1828 AC_SUBST(CONFIG_UNINSTALL)
1830 # List of host floatformats.
1831 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1832 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1833 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1835 # target_subdir is used by the testsuite to find the target libraries.
1837 if test "${host}" != "${target}"; then
1838 target_subdir="${target_alias}/"
1840 AC_SUBST(target_subdir)
1843 if test "${gdb_native}" = "yes"; then
1844 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1845 if test ! -f ${host_makefile_frag}; then
1846 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1848 frags="$frags $host_makefile_frag"
1850 host_makefile_frag=/dev/null
1853 AC_SUBST_FILE(host_makefile_frag)
1857 if test "${gdb_native}" = "yes"; then
1858 # We pick this up from the host configuration file (.mh) because we
1859 # do not have a native configuration Makefile fragment.
1860 nativefile=`sed -n '
1861 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1862 ' ${host_makefile_frag}`
1866 if test x"${gdb_osabi}" != x ; then
1867 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1868 [Define to the default OS ABI for this configuration.])
1871 # Enable multi-ice-gdb-server.
1872 AC_ARG_ENABLE(multi-ice,
1873 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
1877 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1879 if test "x$enable_multi_ice" = xyes; then
1880 AC_CONFIG_SUBDIRS(multi-ice)
1883 # We only build gdbserver automatically in a native configuration.
1884 if test "$gdb_native" = "yes"; then
1885 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1886 if test "x$build_gdbserver" = xyes; then
1888 AC_CONFIG_SUBDIRS(gdbserver)
1894 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1895 # to an empty version.
1901 if test "${nativefile}" != ""; then
1902 case "${nativefile}" in
1903 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1904 * ) GDB_NM_FILE="${nativefile}"
1906 files="${files} ${GDB_NM_FILE}"
1907 links="${links} nm.h"
1908 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1910 AC_SUBST(GDB_NM_FILE)
1912 AC_LINK_FILES($files, $links)
1914 dnl Check for exe extension set on certain hosts (e.g. Win32)
1917 dnl Detect the character set used by this host.
1918 dnl At the moment, we just assume it's UTF-8.
1919 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
1920 [Define to be a string naming the default host character set.])
1922 # Flags needed to enable html installing and building
1923 AC_ARG_WITH(datarootdir,
1924 AC_HELP_STRING([--with-datarootdir], [use datarootdir as the data root directory.]),
1925 [datarootdir="\${prefix}/${withval}"],
1926 [datarootdir="\${prefix}/share"])
1929 AC_HELP_STRING([--with-docdir], [install documentation in this directory.]),
1930 [docdir="\${prefix}/${withval}"],
1931 [docdir="\${datarootdir}/doc"])
1934 AC_HELP_STRING([--with-pdfdir], [install pdf in this directory.]),
1935 [pdfdir="\${prefix}/${withval}"],
1936 [pdfdir="\${docdir}"])
1938 AC_ARG_WITH(htmldir,
1939 AC_HELP_STRING([--with-htmldir], [install html in this directory.]),
1940 [htmldir="\${prefix}/${withval}"],
1941 [htmldir="\${docdir}"])
1943 AC_SUBST(datarootdir)
1948 AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
1950 case x$CONFIG_HEADERS in
1951 xconfig.h:config.in)