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, "$PACKAGE", [Name of this package. ])
90 # Do we have a single-tree copy of texinfo? Even if we do, we can't
91 # rely on it - libiberty is built before texinfo.
92 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
93 if test "x$MAKEINFO" = "x"; then
94 AC_ERROR([makeinfo is required for compilation])
98 AC_ERROR([makeinfo is required for compilation])
104 # --split-size=5000000 may be already in $MAKEINFO from parent configure.
105 # Re-running configure in gdb/ would lose it so ensure it stays present.
106 MAKEINFOFLAGS=${MAKEINFOFLAGS---split-size=5000000}
107 AC_SUBST(MAKEINFOFLAGS)
109 MAKEINFO_EXTRA_FLAGS=""
110 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
111 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
112 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
113 gdb_cv_have_makeinfo_click=yes
115 gdb_cv_have_makeinfo_click=no
117 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
118 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
120 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
122 # GDB does not use automake, but gnulib does. This line lets us
123 # generate its Makefile.in.
124 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
126 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
127 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
130 # GDB's datadir relocation
132 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
133 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
136 AC_ARG_WITH(relocated-sources,
137 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
138 [reloc_srcdir="${withval}"
139 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
140 [Relocated directory for source files. ])
143 AC_CONFIG_SUBDIRS(testsuite)
145 # Check whether to support alternative target configurations
146 AC_ARG_ENABLE(targets,
147 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
148 [case "${enableval}" in
149 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
151 no) enable_targets= ;;
152 *) enable_targets=$enableval ;;
155 # Check whether to enable 64-bit support on 32-bit hosts
156 AC_ARG_ENABLE(64-bit-bfd,
157 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
158 [case "${enableval}" in
161 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
162 esac],[want64=false])dnl
164 # Provide defaults for some variables set by the per-host and per-target
166 gdb_host_obs=posix-hdep.o
168 if test "${target}" = "${host}"; then
174 . $srcdir/configure.host
176 # Accumulate some settings from configure.tgt over all enabled targets
181 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
183 if test "$targ_alias" = "all"; then
186 # Canonicalize the secondary target names.
187 result=`$ac_config_sub $targ_alias 2>/dev/null`
188 if test -n "$result"; then
194 . ${srcdir}/configure.tgt
196 AS_IF([test -z "${gdb_target_obs}"],
197 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
199 # Target-specific object files
200 for i in ${gdb_target_obs}; do
201 case " $TARGET_OBS " in
204 TARGET_OBS="$TARGET_OBS ${i}"
209 # Check whether this target needs 64-bit CORE_ADDR
210 if test x${want64} = xfalse; then
211 . ${srcdir}/../bfd/config.bfd
216 if test x${all_targets} = xtrue; then
218 # We want all 64-bit targets if we either:
219 # - run on a 64-bit host or
220 # - already require 64-bit support for some other target or
221 # - the --enable-64-bit-bfd option was supplied
222 # Otherwise we only support all 32-bit targets.
224 # NOTE: This test must be in sync with the corresponding
227 if test x${want64} = xfalse; then
228 AC_CHECK_SIZEOF(long)
229 if test "x${ac_cv_sizeof_long}" = "x8"; then
233 if test x${want64} = xtrue; then
234 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
236 TARGET_OBS='$(ALL_TARGET_OBS)'
242 # For other settings, only the main target counts.
246 targ=$target; . ${srcdir}/configure.tgt
248 # Fetch the default architecture and default target vector from BFD.
249 targ=$target; . $srcdir/../bfd/config.bfd
251 # We only want the first architecture, so strip off the others if
252 # there is more than one.
253 targ_archs=`echo $targ_archs | sed 's/ .*//'`
255 if test "x$targ_archs" != x; then
256 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
257 [Define to BFD's default architecture. ])
259 if test "x$targ_defvec" != x; then
260 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
261 [Define to BFD's default target vector. ])
264 # The CLI cannot be disabled yet, but may be in the future.
267 AC_ARG_ENABLE(gdbcli,
268 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
273 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
275 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
278 if test x"$enable_gdbcli" = xyes; then
279 if test -d $srcdir/cli; then
280 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
281 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
282 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
283 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
289 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
294 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
297 if test x"$enable_gdbmi" = xyes; then
298 if test -d $srcdir/mi; then
299 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
300 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
301 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
302 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
308 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
313 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
314 esac],enable_tui=auto)
318 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
323 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
325 [if test -d $srcdir/gdbtk; then
330 # We unconditionally disable gdbtk tests on selected platforms.
333 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
338 AC_ARG_WITH(libunwind,
339 AS_HELP_STRING([--with-libunwind], [use libunwind frame unwinding support]),
340 [case "${withval}" in
341 yes) enable_libunwind=yes ;;
342 no) enable_libunwind=no ;;
343 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
345 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
346 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
347 enable_libunwind=yes;
351 if test x"$enable_libunwind" = xyes; then
352 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
353 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
354 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
355 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
356 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
360 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
363 if test "$opt_curses" = "yes"; then
368 AC_ARG_ENABLE(profiling,
369 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
374 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
376 [enable_profiling=no])
378 AC_CHECK_FUNCS(monstartup _mcleanup)
379 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
384 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
385 if test $ac_cv_var__etext = yes; then
386 AC_DEFINE(HAVE__ETEXT, 1,
387 [Define to 1 if your system has the _etext variable. ])
389 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
394 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
395 if test $ac_cv_var_etext = yes; then
396 AC_DEFINE(HAVE_ETEXT, 1,
397 [Define to 1 if your system has the etext variable. ])
399 if test "$enable_profiling" = yes ; then
400 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
401 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
405 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
407 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
408 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
409 ac_cv_cc_supports_pg=no)])
411 if test $ac_cv_cc_supports_pg = no; then
412 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
418 ACX_PKGVERSION([GDB])
419 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
420 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
421 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
423 # --------------------- #
424 # Checks for programs. #
425 # --------------------- #
433 AC_CHECK_TOOL(AR, ar)
434 AC_CHECK_TOOL(DLLTOOL, dlltool)
435 AC_CHECK_TOOL(WINDRES, windres)
437 # Needed for GNU/Hurd.
438 AC_CHECK_TOOL(MIG, mig)
440 # ---------------------- #
441 # Checks for libraries. #
442 # ---------------------- #
444 # We might need to link with -lm; most simulators need it.
445 AC_CHECK_LIB(m, main)
447 # We need to link with -lw to get `wctype' on Solaris before Solaris
448 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
449 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
450 # is known to have this problem). Therefore we avoid libw if we can.
451 AC_CHECK_FUNC(wctype, [],
452 [AC_CHECK_LIB(w, wctype)])
454 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
455 AC_SEARCH_LIBS(gethostbyname, nsl)
457 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
458 AC_SEARCH_LIBS(socketpair, socket)
460 # Link in zlib if we can. This allows us to read compressed debug sections.
463 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
464 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
468 # GDB may fork/exec the iconv program to get the list of supported character
469 # sets. Allow the user to specify where to find it.
470 # There are several factors affecting the choice of option name:
471 # - There is already --with-libiconv-prefix but we can't use it, it specifies
472 # the build-time location of libiconv files.
473 # - The program we need to find is iconv, which comes with glibc. The user
474 # doesn't necessarily have libiconv installed. Therefore naming this
475 # --with-libiconv-foo feels wrong.
476 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
477 # defined to work on directories not files (though it really doesn't know
479 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
480 # with --with-libiconv-prefix.
481 # Putting these together is why the option name is --with-iconv-bin.
483 AC_ARG_WITH(iconv-bin,
484 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
485 [iconv_bin="${withval}"
486 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
487 [Path of directory of iconv program.])
488 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
491 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
492 # There is a very specific comment in /usr/include/curses.h explaining that
493 # termcap routines built into libcurses must not be used.
495 # The symptoms we observed so far is GDB unexpectedly changing
496 # the terminal settings when tgetent is called - this is particularly
497 # visible as the output is missing carriage returns, and so rapidly
498 # becomes very hard to read.
500 # The readline configure script has already decided that libtermcap
501 # was enough for its purposes, and so decided to build readline using
502 # libtermcap. Since the TUI mode requires curses, building GDB with
503 # TUI enabled results in both libraries to be used at the same time,
504 # which is not allowed. This basically means that GDB with TUI is
505 # broken on alpha-osf.
509 if test x"$enable_tui" = xyes; then
510 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
512 if test x"$enable_tui" = xauto; then
518 # For the TUI, we need enhanced curses functionality.
519 if test x"$enable_tui" != xno; then
524 if test x"$prefer_curses" = xyes; then
525 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
526 # curses library because the latter might not provide all the
527 # functionality we need. However, this leads to problems on systems
528 # where the linker searches /usr/local/lib, but the compiler doesn't
529 # search /usr/local/include, if ncurses is installed in /usr/local. A
530 # default installation of ncurses on alpha*-dec-osf* will lead to such
532 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
534 if test "$ac_cv_search_waddstr" != no; then
539 # Check whether we should enable the TUI, but only do so if we really
541 if test x"$enable_tui" != xno; then
542 if test -d $srcdir/tui; then
543 if test "$curses_found" != no; then
544 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
545 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
546 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
547 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
548 CONFIG_ALL="${CONFIG_ALL} all-tui"
549 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
550 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
551 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
553 if test x"$enable_tui" = xyes; then
554 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
556 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
562 # Since GDB uses Readline, we need termcap functionality. In many
563 # cases this will be provided by the curses library, but some systems
564 # have a seperate termcap library, or no curses library at all.
568 if test -d $srcdir/libtermcap; then
569 LIBS="../libtermcap/libtermcap.a $LIBS"
570 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
573 ac_cv_search_tgetent="none required"
576 ac_cv_search_tgetent="none required"
577 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
581 # These are the libraries checked by Readline.
582 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
584 if test "$ac_cv_search_tgetent" = no; then
585 AC_MSG_ERROR([no termcap library found])
588 AC_ARG_WITH([system-readline],
589 [AS_HELP_STRING([--with-system-readline],
590 [use installed readline library])])
592 if test "$with_system_readline" = yes; then
596 READLINE_TEXI_INCFLAG=
598 READLINE='$(READLINE_DIR)/libreadline.a'
599 READLINE_DEPS='$(READLINE)'
600 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
601 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
604 AC_SUBST(READLINE_DEPS)
605 AC_SUBST(READLINE_CFLAGS)
606 AC_SUBST(READLINE_TEXI_INCFLAG)
608 # Generate jit-reader.h
610 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
613 AC_CHECK_SIZEOF(unsigned long long)
614 AC_CHECK_SIZEOF(unsigned long)
615 AC_CHECK_SIZEOF(unsigned __int128)
617 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
618 TARGET_PTR="unsigned long"
619 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
620 TARGET_PTR="unsigned long long"
621 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
622 TARGET_PTR="unsigned __int128"
624 TARGET_PTR="unsigned long"
628 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
630 AC_SEARCH_LIBS(dlopen, dl)
632 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
633 [directory to load the JIT readers from],
637 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
638 [], [with_expat=auto])
639 AC_MSG_CHECKING([whether to use expat])
640 AC_MSG_RESULT([$with_expat])
642 if test "${with_expat}" = no; then
643 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
646 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
647 [XML_Parser p = XML_ParserCreate (0);])
648 if test "$HAVE_LIBEXPAT" != yes; then
649 if test "$with_expat" = yes; then
650 AC_MSG_ERROR([expat is missing or unusable])
652 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
656 LIBS="$LIBS $LIBEXPAT"
657 AC_CHECK_FUNCS(XML_StopParser)
662 dnl Utility to simplify finding libpython.
664 dnl $2 = the shell variable to assign the result to
665 dnl If libpython is found we store $version here.
666 dnl $3 = additional flags to add to CPPFLAGS
667 dnl $4 = additional flags to add to LIBS
669 AC_DEFUN([AC_TRY_LIBPYTHON],
672 define([have_libpython_var],$2)
675 AC_MSG_CHECKING([for ${version}])
676 save_CPPFLAGS=$CPPFLAGS
678 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
679 LIBS="$LIBS $new_LIBS"
680 found_usable_python=no
681 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
682 [[Py_Initialize ();]]),
683 [have_libpython_var=${version}
684 found_usable_python=yes
685 PYTHON_CPPFLAGS=$new_CPPFLAGS
686 PYTHON_LIBS=$new_LIBS])
687 CPPFLAGS=$save_CPPFLAGS
689 AC_MSG_RESULT([${found_usable_python}])
692 dnl There are several different values for --with-python:
694 dnl no - Don't include python support.
695 dnl yes - Include python support, error if it's missing.
696 dnl If we find python in $PATH, use it to fetch configure options,
697 dnl otherwise assume the compiler can find it with no help from us.
698 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
699 dnl auto - Same as "yes", but if python is missing from the system,
700 dnl fall back to "no".
701 dnl /path/to/python/exec-prefix -
702 dnl Use the python located in this directory.
703 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
704 dnl the compilation parameters. Otherwise use
705 dnl -I/path/to/python/exec-prefix/include,
706 dnl -L/path/to/python/exec-prefix/lib.
707 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
708 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
709 dnl but is deprecated.
710 dnl /path/to/python/executable -
711 dnl Run python-config.py with this version of python to fetch the
712 dnl compilation parameters.
713 dnl NOTE: This needn't be the real python executable.
714 dnl In a cross-compilation scenario (build != host), this could be
715 dnl a shell script that provides what python-config.py provides for
716 dnl --ldflags, --includes, --exec-prefix.
717 dnl python-executable -
718 dnl Find python-executable in $PATH, and then handle the same as
719 dnl /path/to/python/executable.
721 dnl If a python program is specified, it is used to run python-config.py and
722 dnl is passed --ldflags, --includes, --exec-prefix.
725 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
726 [], [with_python=auto])
727 AC_MSG_CHECKING([whether to use python])
728 AC_MSG_RESULT([$with_python])
730 if test "${with_python}" = no; then
731 AC_MSG_WARN([python support disabled; some features may be unavailable.])
734 case "${with_python}" in
736 if test -d ${with_python}; then
737 # Assume the python binary is ${with_python}/bin/python.
738 python_prog="${with_python}/bin/python"
740 # If python does not exit ${with_python}/bin, then try in
741 # ${with_python}. On Windows/MinGW, this is where the Python
743 if test ! -x "${python_prog}"; then
744 python_prog="${with_python}/python"
747 if test ! -x "${python_prog}"; then
748 # Fall back to gdb 7.0/7.1 behaviour.
750 python_prefix=${with_python}
752 elif test -x "${with_python}"; then
753 # While we can't run python compiled for $host (unless host == build),
754 # the user could write a script that provides the needed information,
755 # so we support that.
756 python_prog=${with_python}
759 AC_ERROR(invalid value for --with-python)
763 # Disallow --with-python=foo/bar.
764 AC_ERROR(invalid value for --with-python)
767 # The user has either specified auto, yes, or the name of the python
768 # program assumed to be in $PATH.
770 case "${with_python}" in
772 if test ${build} = ${host}; then
773 AC_PATH_PROG(python_prog_path, python, missing)
774 if test "${python_prog_path}" = missing; then
777 python_prog=${python_prog_path}
780 # Not much we can do except assume the cross-compiler will find the
786 # While we can't run python compiled for $host (unless host == build),
787 # the user could write a script that provides the needed information,
788 # so we support that.
789 python_prog="${with_python}"
790 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
791 if test "${python_prog_path}" = missing; then
792 AC_ERROR(unable to find python program ${python_prog})
798 if test "${python_prog}" != missing; then
799 # We have a python program to use, but it may be too old.
800 # Don't flag an error for --with-python=auto (the default).
801 have_python_config=yes
802 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
803 if test $? != 0; then
804 have_python_config=failed
805 if test "${with_python}" != auto; then
806 AC_ERROR(failure running python-config --includes)
809 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
810 if test $? != 0; then
811 have_python_config=failed
812 if test "${with_python}" != auto; then
813 AC_ERROR(failure running python-config --ldflags)
816 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
817 if test $? != 0; then
818 have_python_config=failed
819 if test "${with_python}" != auto; then
820 AC_ERROR(failure running python-config --exec-prefix)
824 # We do not have a python executable we can use to determine where
825 # to find the Python headers and libs. We cannot guess the include
826 # path from the python_prefix either, because that include path
827 # depends on the Python version. So, there is nothing much we can
828 # do except assume that the compiler will be able to find those files.
831 have_python_config=no
834 # If we have python-config, only try the configuration it provides.
835 # Otherwise fallback on the old way of trying different versions of
839 if test "${have_python_config}" = yes; then
840 # Determine the Python version by extracting "-lpython<version>"
841 # part of the python_libs. <version> is usually X.Y with X and Y
842 # being decimal numbers, but can also be XY (seen on Windows).
844 # The extraction is performed using sed with a regular expression.
845 # Initially, the regexp used was using the '?' quantifier to make
846 # the dot in the version number optional. Unfortunately, this
847 # does not work with non-GNU versions of sed because, because of
848 # what looks like a limitation (the '?' quantifier does not work
849 # with back-references). We work around this limitation by using
850 # the '*' quantifier instead. It means that, in theory, we might
851 # match unexpected version strings such as "-lpython2..7", but
852 # this seems unlikely in practice. And even if that happens,
853 # an error will be triggered later on, when checking that version
855 python_version=`echo " ${python_libs} " \
856 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
857 case "${python_version}" in
859 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
860 ${python_includes}, ${python_libs})
863 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
866 elif test "${have_python_config}" != failed; then
867 if test "${have_libpython}" = no; then
868 AC_TRY_LIBPYTHON(python2.7, have_libpython,
869 ${python_includes}, "${python_libs} -lpython2.7")
871 if test "${have_libpython}" = no; then
872 AC_TRY_LIBPYTHON(python2.6, have_libpython,
873 ${python_includes}, "${python_libs} -lpython2.6")
875 if test ${have_libpython} = no; then
876 AC_TRY_LIBPYTHON(python2.5, have_libpython,
877 ${python_includes}, "${python_libs} -lpython2.5")
879 if test ${have_libpython} = no; then
880 AC_TRY_LIBPYTHON(python2.4, have_libpython,
881 ${python_includes}, "${python_libs} -lpython2.4")
884 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
885 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
886 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
887 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
888 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
889 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
890 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
891 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
894 if test "${have_libpython}" = no; then
895 case "${with_python}" in
897 AC_MSG_ERROR([python is missing or unusable])
900 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
903 AC_MSG_ERROR([no usable python found at ${with_python}])
907 if test -n "${python_prefix}"; then
908 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
909 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
910 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
915 if test "${have_libpython}" != no; then
916 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
917 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
918 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
919 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
920 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
921 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
923 # Flags needed to compile Python code (taken from python-config --cflags).
924 # We cannot call python-config directly because it will output whatever was
925 # used when compiling the Python interpreter itself, including flags which
926 # would make the python-related objects be compiled differently from the
927 # rest of GDB (e.g., -O2 and -fPIC).
928 if test "${GCC}" = yes; then
929 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
932 if test "x${tentative_python_cflags}" != x; then
933 AC_MSG_CHECKING(compiler flags for python code)
934 for flag in ${tentative_python_cflags}; do
935 # Check that the compiler accepts it
936 saved_CFLAGS="$CFLAGS"
937 CFLAGS="$CFLAGS $flag"
938 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
939 CFLAGS="$saved_CFLAGS"
941 AC_MSG_RESULT(${PYTHON_CFLAGS})
944 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
946 # #define siginfo __siginfo
948 # The problem is that including Python causes some XOPEN macros to be
949 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
950 # to false. So, we work around this issue by defining siginfo ourself
951 # though the command-line.
953 irix*) if test "${GCC}" = yes; then
954 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
959 # Even if Python support is not compiled in, we need to have these files
961 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
962 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
963 python/py-prettyprint.c python/py-auto-load.c"
965 AC_SUBST(PYTHON_CFLAGS)
966 AC_SUBST(PYTHON_CPPFLAGS)
967 AC_SUBST(PYTHON_LIBS)
969 # ------------------------- #
970 # Checks for header files. #
971 # ------------------------- #
976 # elf_hp.h is for HP/UX 64-bit shared library support.
977 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
978 # unconditionally, so what's the point in checking these?
979 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
980 thread_db.h gnu/libc-version.h signal.h stddef.h \
981 stdlib.h string.h memory.h strings.h sys/fault.h \
982 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
983 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
984 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
985 sys/types.h sys/wait.h wait.h termios.h termio.h \
986 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
988 AC_CHECK_HEADERS(link.h, [], [],
989 [#if HAVE_SYS_TYPES_H
990 # include <sys/types.h>
996 AC_CHECK_HEADERS(sys/proc.h, [], [],
997 [#if HAVE_SYS_PARAM_H
998 # include <sys/param.h>
1001 AC_CHECK_HEADERS(sys/user.h, [], [],
1002 [#if HAVE_SYS_PARAM_H
1003 # include <sys/param.h>
1007 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1008 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1009 # think that we don't have <curses.h> if we're using GCC.
1012 if test "$GCC" = yes; then
1013 AC_DEFINE(_MSE_INT_H, 1,
1014 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1015 Solaris 2.[789] when using GCC. ])
1018 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1019 AC_CHECK_HEADERS(term.h, [], [],
1021 # include <curses.h>
1025 # ------------------------- #
1026 # Checks for declarations. #
1027 # ------------------------- #
1029 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1030 snprintf, vsnprintf])
1033 # ----------------------- #
1034 # Checks for structures. #
1035 # ----------------------- #
1037 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1039 # ------------------ #
1040 # Checks for types. #
1041 # ------------------ #
1044 AC_CHECK_TYPES(socklen_t, [], [],
1045 [#include <sys/types.h>
1046 #include <sys/socket.h>
1049 # ------------------------------------- #
1050 # Checks for compiler characteristics. #
1051 # ------------------------------------- #
1057 # ------------------------------ #
1058 # Checks for library functions. #
1059 # ------------------------------ #
1064 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
1065 getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
1066 sigaction sigprocmask sigsetmask socketpair syscall \
1067 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1068 setrlimit getrlimit posix_madvise waitpid])
1071 # Check the return and argument types of ptrace. No canned test for
1072 # this, so roll our own.
1073 gdb_ptrace_headers='
1074 #if HAVE_SYS_TYPES_H
1075 # include <sys/types.h>
1077 #if HAVE_SYS_PTRACE_H
1078 # include <sys/ptrace.h>
1081 # include <unistd.h>
1084 # There is no point in checking if we don't have a prototype.
1085 AC_CHECK_DECLS(ptrace, [], [
1086 : ${gdb_cv_func_ptrace_ret='int'}
1087 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1088 ], $gdb_ptrace_headers)
1089 # Check return type. Varargs (used on GNU/Linux) conflict with the
1090 # empty argument list, so check for that explicitly.
1091 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1092 AC_TRY_COMPILE($gdb_ptrace_headers,
1093 [extern long ptrace (enum __ptrace_request, ...);],
1094 gdb_cv_func_ptrace_ret='long',
1095 AC_TRY_COMPILE($gdb_ptrace_headers,
1096 [extern int ptrace ();],
1097 gdb_cv_func_ptrace_ret='int',
1098 gdb_cv_func_ptrace_ret='long')))
1099 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1100 [Define as the return type of ptrace.])
1101 # Check argument types.
1102 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1103 AC_TRY_COMPILE($gdb_ptrace_headers,
1104 [extern long ptrace (enum __ptrace_request, ...);],
1105 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1106 for gdb_arg1 in 'int' 'long'; do
1107 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1108 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1109 for gdb_arg4 in 'int' 'long'; do
1110 AC_TRY_COMPILE($gdb_ptrace_headers, [
1111 extern $gdb_cv_func_ptrace_ret
1112 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1113 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1115 for gdb_arg5 in 'int *' 'int' 'long'; do
1116 AC_TRY_COMPILE($gdb_ptrace_headers, [
1117 extern $gdb_cv_func_ptrace_ret
1118 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1120 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1127 # Provide a safe default value.
1128 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1130 ac_save_IFS=$IFS; IFS=','
1131 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1134 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1135 [Define to the type of arg 3 for ptrace.])
1136 if test -n "$[5]"; then
1137 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1138 [Define to the type of arg 5 for ptrace.])
1141 dnl AC_FUNC_SETPGRP does not work when cross compiling
1142 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1143 if test "$cross_compiling" = no; then
1146 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1150 if (setpgrp(1,1) == -1)
1154 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1155 if test $ac_cv_func_setpgrp_void = yes; then
1156 AC_DEFINE(SETPGRP_VOID, 1)
1160 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1161 # since sigsetjmp might only be defined as a macro.
1162 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1165 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1166 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1167 if test $gdb_cv_func_sigsetjmp = yes; then
1168 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1171 # Assume we'll default to using the included libiberty regex.
1172 gdb_use_included_regex=yes
1174 # However, if the system regex is GNU regex, then default to *not*
1175 # using the included regex.
1178 [gdb_cv_have_gnu_regex],
1180 [#include <gnu-versions.h>],
1181 [#define REGEX_INTERFACE_VERSION 1
1182 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1183 # error "Version mismatch"
1185 gdb_cv_have_gnu_regex=yes,
1186 gdb_cv_have_gnu_regex=no)])
1187 if test $gdb_cv_have_gnu_regex = yes; then
1188 gdb_use_included_regex=no
1191 AC_ARG_WITH(included-regex,
1192 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1193 gdb_with_regex=$withval,
1194 gdb_with_regex=$gdb_use_included_regex)
1195 if test "$gdb_with_regex" = yes; then
1196 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1197 [Define to 1 if the regex included in libiberty should be used.])
1200 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1201 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1202 [#include <sys/param.h>
1203 #include <sys/proc.h>
1206 # See if <sys/lwp.h> defines `struct lwp`.
1207 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1208 [AC_TRY_COMPILE([#include <sys/param.h>
1209 #include <sys/lwp.h>], [struct lwp l;],
1210 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1211 if test $gdb_cv_struct_lwp = yes; then
1212 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1213 [Define to 1 if your system has struct lwp.])
1216 # See if <machine/reg.h> degines `struct reg'.
1217 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1218 [AC_TRY_COMPILE([#include <sys/types.h>
1219 #include <machine/reg.h>], [struct reg r;],
1220 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1221 if test $gdb_cv_struct_reg = yes; then
1222 AC_DEFINE(HAVE_STRUCT_REG, 1,
1223 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1226 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1227 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1228 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1229 [#include <machine/reg.h>])
1231 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1232 AC_MSG_CHECKING(for PTRACE_GETREGS)
1233 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1234 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1236 [gdb_cv_have_ptrace_getregs=yes],
1237 [gdb_cv_have_ptrace_getregs=no])])
1238 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1239 if test $gdb_cv_have_ptrace_getregs = yes; then
1240 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1241 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1244 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1245 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1246 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1247 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1248 [PTRACE_GETFPXREGS;],
1249 [gdb_cv_have_ptrace_getfpxregs=yes],
1250 [gdb_cv_have_ptrace_getfpxregs=no])])
1251 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1252 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1253 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1254 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1257 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1258 AC_MSG_CHECKING(for PT_GETDBREGS)
1259 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1260 [AC_TRY_COMPILE([#include <sys/types.h>
1261 #include <sys/ptrace.h>],
1263 [gdb_cv_have_pt_getdbregs=yes],
1264 [gdb_cv_have_pt_getdbregs=no])])
1265 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1266 if test $gdb_cv_have_pt_getdbregs = yes; then
1267 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1268 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1271 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1272 AC_MSG_CHECKING(for PT_GETXMMREGS)
1273 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1274 [AC_TRY_COMPILE([#include <sys/types.h>
1275 #include <sys/ptrace.h>],
1277 [gdb_cv_have_pt_getxmmregs=yes],
1278 [gdb_cv_have_pt_getxmmregs=no])])
1279 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1280 if test $gdb_cv_have_pt_getxmmregs = yes; then
1281 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1282 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1285 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1287 if test "${target}" = "${host}"; then
1289 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1290 AC_DEFINE(NEW_PROC_API, 1,
1291 [Define if you want to use new multi-fd /proc interface
1292 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1294 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1295 AC_DEFINE(NEW_PROC_API, 1,
1296 [Define if you want to use new multi-fd /proc interface
1297 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1300 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1301 AC_DEFINE([_KMEMUSER], 1,
1302 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1303 around a <sys/proc.h> problem on IRIX 5.])
1308 if test "$ac_cv_header_sys_procfs_h" = yes; then
1309 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1310 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1311 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1312 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1313 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1314 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1315 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1316 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1317 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1318 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1319 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1320 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1321 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1322 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1325 dnl Check for broken prfpregset_t type
1327 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1328 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1329 dnl instead of the struct itself). We detect this here, and work
1330 dnl around it in gdb_proc_service.h.
1332 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1333 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1334 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1335 [AC_TRY_RUN([#include <sys/procfs.h>
1338 if (sizeof (prfpregset_t) == sizeof (void *))
1342 gdb_cv_prfpregset_t_broken=no,
1343 gdb_cv_prfpregset_t_broken=yes,
1344 gdb_cv_prfpregset_t_broken=yes)])
1345 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1346 if test $gdb_cv_prfpregset_t_broken = yes; then
1347 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1348 [Define if the prfpregset_t type is broken.])
1352 dnl Check for PIOCSET ioctl entry
1354 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1355 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1356 [AC_TRY_COMPILE([#include <unistd.h>
1357 #include <sys/types.h>
1358 #include <sys/procfs.h>
1361 dummy = ioctl(0, PIOCSET, &dummy);
1363 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1364 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1365 if test $gdb_cv_have_procfs_piocset = yes; then
1366 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1367 [Define if ioctl argument PIOCSET is available.])
1371 dnl For native ports (host == target), check to see what kind of
1372 dnl legacy link.h support is needed. (See solib-legacy.c.)
1373 if test ${host} = ${target} ; then
1374 dnl Check for struct link_map with l_ members which are indicative
1375 dnl of SVR4-like shared libraries
1377 AC_MSG_CHECKING(for member l_addr in struct link_map)
1378 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1379 [AC_TRY_COMPILE([#include <link.h>],
1380 [struct link_map lm; (void) lm.l_addr;],
1381 gdb_cv_have_struct_link_map_with_l_members=yes,
1382 gdb_cv_have_struct_link_map_with_l_members=no)])
1383 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1384 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1385 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1386 [Define if <link.h> exists and defines struct link_map which has
1387 members with an ``l_'' prefix. (For Solaris, SVR4, and
1388 SVR4-like systems.)])
1391 dnl Check for struct link_map with lm_ members which are indicative
1392 dnl of SunOS-like shared libraries
1394 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1395 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1396 [AC_TRY_COMPILE([#include <sys/types.h>
1398 [struct link_map lm; (void) lm.lm_addr;],
1399 gdb_cv_have_struct_link_map_with_lm_members=yes,
1400 gdb_cv_have_struct_link_map_with_lm_members=no)])
1401 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1402 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1403 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1404 [Define if <link.h> exists and defines struct link_map which has
1405 members with an ``lm_'' prefix. (For SunOS.)])
1408 dnl Check for struct so_map with som_ members which are found on
1409 dnl some *BSD systems.
1411 AC_MSG_CHECKING(for member som_addr in struct so_map)
1412 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1413 [AC_TRY_COMPILE([#include <sys/types.h>
1418 [struct so_map lm; (void) lm.som_addr;],
1419 gdb_cv_have_struct_so_map_with_som_members=yes,
1420 gdb_cv_have_struct_so_map_with_som_members=no)])
1421 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1422 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1423 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1424 [Define if <link.h> exists and defines a struct so_map which has
1425 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1428 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1429 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1431 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1432 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1433 [AC_TRY_COMPILE([#define _SYSCALL32
1434 #include <sys/link.h>], [struct link_map32 l;],
1435 gdb_cv_have_struct_link_map32=yes,
1436 gdb_cv_have_struct_link_map32=no)])
1437 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1438 if test $gdb_cv_have_struct_link_map32 = yes; then
1439 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1440 [Define if <sys/link.h> has struct link_map32])
1441 AC_DEFINE(_SYSCALL32, 1,
1442 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1446 # Check if the compiler supports the `long long' type.
1448 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1449 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1450 [[extern long long foo;]],
1451 [[switch (foo & 2) { case 0: return 1; }]])],
1452 gdb_cv_c_long_long=yes,
1453 gdb_cv_c_long_long=no)])
1454 if test $gdb_cv_c_long_long = yes; then
1455 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1456 [Define to 1 if the compiler supports long long.])
1459 # Check if the compiler and runtime support printing long longs.
1461 AC_CACHE_CHECK([for long long support in printf],
1462 gdb_cv_printf_has_long_long,
1463 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1466 l = (l << 16) + 0x0123;
1467 l = (l << 16) + 0x4567;
1468 l = (l << 16) + 0x89ab;
1469 l = (l << 16) + 0xcdef;
1470 sprintf (buf, "0x%016llx", l);
1471 return (strcmp ("0x0123456789abcdef", buf));]])],
1472 gdb_cv_printf_has_long_long=yes,
1473 gdb_cv_printf_has_long_long=no,
1474 gdb_cv_printf_has_long_long=no)])
1475 if test $gdb_cv_printf_has_long_long = yes; then
1476 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1477 [Define to 1 if the "%ll" format works to print long longs.])
1480 # Check if the compiler and runtime support printing decfloats.
1482 AC_CACHE_CHECK([for decfloat support in printf],
1483 gdb_cv_printf_has_decfloat,
1484 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1486 _Decimal32 d32 = 1.2345df;
1487 _Decimal64 d64 = 1.2345dd;
1488 _Decimal128 d128 = 1.2345dl;
1489 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1490 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1491 gdb_cv_printf_has_decfloat=yes,
1492 gdb_cv_printf_has_decfloat=no,
1493 gdb_cv_printf_has_decfloat=no)])
1494 if test $gdb_cv_printf_has_decfloat = yes; then
1495 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1496 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1499 # Check if the compiler supports the `long double' type. We can't use
1500 # AC_C_LONG_DOUBLE because that one does additional checks on the
1501 # constants defined in <float.h> that fail on some systems,
1502 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1504 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1505 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1506 gdb_cv_c_long_double=yes,
1507 gdb_cv_c_long_double=no)])
1508 if test $gdb_cv_c_long_double = yes; then
1509 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1510 [Define to 1 if the compiler supports long double.])
1513 # Check if the compiler and runtime support printing long doubles.
1515 AC_CACHE_CHECK([for long double support in printf],
1516 gdb_cv_printf_has_long_double,
1517 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1519 long double f = 3.141592653;
1520 sprintf (buf, "%Lg", f);
1521 return (strncmp ("3.14159", buf, 7));]])],
1522 gdb_cv_printf_has_long_double=yes,
1523 gdb_cv_printf_has_long_double=no,
1524 gdb_cv_printf_has_long_double=no)])
1525 if test $gdb_cv_printf_has_long_double = yes; then
1526 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1527 [Define to 1 if the "%Lg" format works to print long doubles.])
1530 # Check if the compiler and runtime support scanning long doubles.
1532 AC_CACHE_CHECK([for long double support in scanf],
1533 gdb_cv_scanf_has_long_double,
1534 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1535 [[#include <stdio.h>]],
1536 [[char *buf = "3.141592653";
1538 sscanf (buf, "%Lg", &f);
1539 return !(f > 3.14159 && f < 3.14160);]])],
1540 gdb_cv_scanf_has_long_double=yes,
1541 gdb_cv_scanf_has_long_double=no,
1542 gdb_cv_scanf_has_long_double=no)])
1543 if test $gdb_cv_scanf_has_long_double = yes; then
1544 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1545 [Define to 1 if the "%Lg" format works to scan long doubles.])
1550 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1551 SAVE_LDFLAGS=$LDFLAGS
1554 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1555 *) gdb_cv_bigtoc=-bbigtoc ;;
1558 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1559 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1560 LDFLAGS="${SAVE_LDFLAGS}"
1562 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1566 AC_MSG_CHECKING(for the dynamic export flag)
1568 if test "${gdb_native}" = yes; then
1569 # The dynamically loaded libthread_db needs access to symbols in the gdb
1570 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1571 # may not be supported there.
1572 old_LDFLAGS="$LDFLAGS"
1573 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1574 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1575 LDFLAGS="$LDFLAGS $RDYNAMIC"
1576 if test "${have_libpython}" = no; then
1577 AC_TRY_LINK([], [], [dynamic_list=true])
1579 # Workaround http://bugs.python.org/issue4434 where static
1580 # libpythonX.Y.a would get its symbols required for
1581 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1582 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1583 old_CFLAGS="$CFLAGS"
1584 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1587 [#include "]${have_libpython}[/Python.h"],
1590 err = PyRun_SimpleString ("import itertools\n");
1592 return err == 0 ? 0 : 1;]),
1593 [dynamic_list=true], [], [true])
1594 CFLAGS="$old_CFLAGS"
1596 LDFLAGS="$old_LDFLAGS"
1598 if $dynamic_list; then
1599 found="-Wl,--dynamic-list"
1600 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1603 RDYNAMIC="-rdynamic"
1606 AC_MSG_RESULT($found)
1608 dnl For certain native configurations, we need to check whether thread
1609 dnl support can be built in or not.
1611 dnl Note that we only want this if we are both native (host == target),
1612 dnl and not doing a canadian cross build (build == host).
1614 if test ${build} = ${host} -a ${host} = ${target} ; then
1617 # See if thread_db library is around for Solaris thread debugging.
1618 # Note that we must explicitly test for version 1 of the library
1619 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1621 AC_MSG_CHECKING(for Solaris thread debugging library)
1622 if test -f /usr/lib/libthread_db.so.1 ; then
1624 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1625 [Define if using Solaris thread debugging.])
1626 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1627 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1628 AC_CHECK_LIB(dl, dlopen)
1629 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1630 # Sun randomly tweaked the prototypes in <proc_service.h>
1632 AC_MSG_CHECKING(if <proc_service.h> is old)
1633 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1635 #include <proc_service.h>
1637 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1638 ],, gdb_cv_proc_service_is_old=no,
1639 gdb_cv_proc_service_is_old=yes)
1641 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1642 if test $gdb_cv_proc_service_is_old = yes; then
1643 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1644 [Define if <proc_service.h> on solaris uses int instead of
1645 size_t, and assorted other type changes.])
1652 AC_MSG_CHECKING(for AiX thread debugging library)
1653 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1654 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1655 [#ifndef PTHDB_VERSION_3
1658 gdb_cv_have_aix_thread_debug=yes,
1659 gdb_cv_have_aix_thread_debug=no)])
1660 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1661 if test $gdb_cv_have_aix_thread_debug = yes; then
1662 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1663 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1664 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1666 # Older versions of AIX do not provide the declaration for
1667 # the getthrds function (it appears that it was introduced
1669 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1673 AC_SUBST(CONFIG_LDFLAGS)
1676 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1677 dnl other error codes.
1678 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1679 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1680 gdb_cv_thread_db_h_has_td_notalloc,
1682 [#include <thread_db.h>],
1683 [int i = TD_NOTALLOC;],
1684 gdb_cv_thread_db_h_has_td_notalloc=yes,
1685 gdb_cv_thread_db_h_has_td_notalloc=no
1688 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1689 gdb_cv_thread_db_h_has_td_version,
1691 [#include <thread_db.h>],
1692 [int i = TD_VERSION;],
1693 gdb_cv_thread_db_h_has_td_version=yes,
1694 gdb_cv_thread_db_h_has_td_version=no
1697 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1698 gdb_cv_thread_db_h_has_td_notls,
1700 [#include <thread_db.h>],
1701 [int i = TD_NOTLS;],
1702 gdb_cv_thread_db_h_has_td_notls=yes,
1703 gdb_cv_thread_db_h_has_td_notls=no
1707 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1708 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1709 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1711 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1712 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1713 [Define if <thread_db.h> has the TD_VERSION error code.])
1715 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1716 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1717 [Define if <thread_db.h> has the TD_NOTLS error code.])
1720 dnl See if we have a sys/syscall header file that has __NR_tkill.
1721 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1722 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1723 gdb_cv_sys_syscall_h_has_tkill,
1725 [#include <sys/syscall.h>],
1726 [int i = __NR_tkill;],
1727 gdb_cv_sys_syscall_h_has_tkill=yes,
1728 gdb_cv_sys_syscall_h_has_tkill=no
1732 dnl See if we can issue tkill syscall.
1733 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1734 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1737 dnl Check if we can disable the virtual address space randomization.
1738 dnl The functionality of setarch -R.
1739 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1740 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1741 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1742 # define ADDR_NO_RANDOMIZE 0x0040000
1744 /* Test the flag could be set and stays set. */
1745 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1746 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1748 AC_RUN_IFELSE([PERSONALITY_TEST],
1749 [have_personality=true],
1750 [have_personality=false],
1751 [AC_LINK_IFELSE([PERSONALITY_TEST],
1752 [have_personality=true],
1753 [have_personality=false])])
1754 if $have_personality
1756 AC_DEFINE([HAVE_PERSONALITY], 1,
1757 [Define if you support the personality syscall.])
1760 dnl Handle optional features that can be enabled.
1762 target_sysroot_reloc=0
1763 AC_ARG_WITH(sysroot,
1764 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1766 case ${with_sysroot} in
1767 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1768 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1771 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1773 if test "x$prefix" = xNONE; then
1774 test_prefix=/usr/local
1778 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1779 test_exec_prefix=$test_prefix
1781 test_exec_prefix=$exec_prefix
1783 case ${TARGET_SYSTEM_ROOT} in
1784 "${test_prefix}"|"${test_prefix}/"*|\
1785 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1786 '${prefix}'|'${prefix}/'*|\
1787 '${exec_prefix}'|'${exec_prefix}/'*)
1788 target_sysroot_reloc=1
1793 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1795 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1796 AC_SUBST(TARGET_SYSTEM_ROOT)
1797 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1799 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1800 [automatically load a system-wide gdbinit file],
1803 AC_ARG_ENABLE(werror,
1804 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1805 [case "${enableval}" in
1806 yes | y) ERROR_ON_WARNING="yes" ;;
1807 no | n) ERROR_ON_WARNING="no" ;;
1808 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1811 # Enable -Werror by default when using gcc
1812 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1813 ERROR_ON_WARNING=yes
1817 if test "${ERROR_ON_WARNING}" = yes ; then
1818 WERROR_CFLAGS="-Werror"
1821 # The entries after -Wno-pointer-sign are disabled warnings which may
1822 # be enabled in the future, which can not currently be used to build
1824 # NOTE: If you change this list, remember to update
1825 # gdb/doc/gdbint.texinfo.
1826 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1827 -Wformat-nonliteral -Wno-pointer-sign \
1828 -Wno-unused -Wunused-value -Wunused-function \
1829 -Wno-switch -Wno-char-subscripts"
1831 # Enable -Wno-format by default when using gcc on mingw since many
1832 # GCC versions complain about %I64.
1834 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1837 AC_ARG_ENABLE(build-warnings,
1838 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1839 [case "${enableval}" in
1841 no) build_warnings="-w";;
1842 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1843 build_warnings="${build_warnings} ${t}";;
1844 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1845 build_warnings="${t} ${build_warnings}";;
1846 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1848 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1849 echo "Setting compiler warning flags = $build_warnings" 6>&1
1851 AC_ARG_ENABLE(gdb-build-warnings,
1852 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1853 [case "${enableval}" in
1855 no) build_warnings="-w";;
1856 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1857 build_warnings="${build_warnings} ${t}";;
1858 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1859 build_warnings="${t} ${build_warnings}";;
1860 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1862 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1863 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1866 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1868 AC_MSG_CHECKING(compiler warning flags)
1869 # Separate out the -Werror flag as some files just cannot be
1870 # compiled with it enabled.
1871 for w in ${build_warnings}; do
1873 -Werr*) WERROR_CFLAGS=-Werror ;;
1874 *) # Check that GCC accepts it
1875 saved_CFLAGS="$CFLAGS"
1877 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1878 CFLAGS="$saved_CFLAGS"
1881 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1883 AC_SUBST(WARN_CFLAGS)
1884 AC_SUBST(WERROR_CFLAGS)
1886 # In the Cygwin environment, we need some additional flags.
1887 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1888 [AC_EGREP_CPP(lose, [
1889 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1891 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1894 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1895 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1897 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1898 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1899 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1901 AC_SUBST(SER_HARDWIRE)
1903 # libreadline needs libuser32.a in a cygwin environment
1905 if test x$gdb_cv_os_cygwin = xyes; then
1906 WIN32LIBS="-luser32"
1908 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1913 # The ser-tcp.c module requires sockets.
1916 AC_DEFINE(USE_WIN32API, 1,
1917 [Define if we should use the Windows API, instead of the
1918 POSIX API. On Windows, we use the Windows API when
1919 building for MinGW, but the POSIX API when building
1921 WIN32LIBS="$WIN32LIBS -lws2_32"
1926 # Add ELF support to GDB, but only if BFD includes ELF support.
1928 OLD_LDFLAGS=$LDFLAGS
1930 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1931 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1932 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1933 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1934 if test "$plugins" = "yes"; then
1937 LIBS="-lbfd -liberty $intl $LIBS"
1938 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1940 [#include <stdlib.h>
1942 #include "elf-bfd.h"
1944 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1945 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1946 if test $gdb_cv_var_elf = yes; then
1947 CONFIG_OBS="$CONFIG_OBS elfread.o"
1948 AC_DEFINE(HAVE_ELF, 1,
1949 [Define if ELF support should be included.])
1950 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1951 if test "$plugins" = "yes"; then
1952 OLD_LIBS="-ldl $OLD_LIBS"
1956 LDFLAGS=$OLD_LDFLAGS
1959 # Add any host-specific objects to GDB.
1960 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1962 LIBGUI="../libgui/src/libgui.a"
1963 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1965 AC_SUBST(GUI_CFLAGS_X)
1969 AC_SUBST(WIN32LDAPP)
1972 *-*-cygwin* | *-*-mingw* )
1981 if test "${enable_gdbtk}" = "yes"; then
1983 # Gdbtk must have an absolute path to srcdir in order to run
1984 # properly when not installed.
1992 # If $no_tk is nonempty, then we can't do Tk, and there is no
1993 # point to doing Tcl.
1996 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1999 # Check for in-tree tcl
2006 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2010 # Find Tcl private headers
2011 if test x"${intree}" = xno; then
2012 CY_AC_TCL_PRIVATE_HEADERS
2013 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2014 TCL_LIBRARY="${TCL_LIB_SPEC}"
2017 # If building tcl in the same src tree, private headers
2018 # are not needed, but we need to be sure to use the right
2020 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2021 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2022 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2024 AC_SUBST(TCL_INCLUDE)
2025 AC_SUBST(TCL_LIBRARY)
2030 # Check for in-tree Tk
2032 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2036 # Find Tk private headers
2037 if test x"${intree}" = xno; then
2038 CY_AC_TK_PRIVATE_HEADERS
2039 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2040 TK_LIBRARY=${TK_LIB_SPEC}
2043 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2044 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2045 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2047 AC_SUBST(TK_INCLUDE)
2048 AC_SUBST(TK_LIBRARY)
2050 AC_SUBST(TK_XINCLUDES)
2052 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2054 # Include some libraries that Tcl and Tk want.
2055 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2056 # Yes, the ordering seems wrong here. But it isn't.
2057 # TK_LIBS is the list of libraries that need to be linked
2058 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2059 # were in LIBS then any link tests after this point would
2060 # try to include things like `$(LIBGUI)', which wouldn't work.
2061 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2063 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2064 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2065 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2066 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2067 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2068 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2069 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2071 if test x$gdb_cv_os_cygwin = xyes; then
2072 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2073 WIN32LDAPP="-Wl,--subsystem,console"
2074 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2077 AC_CONFIG_SUBDIRS(gdbtk)
2085 AC_SUBST(GDBTK_CFLAGS)
2086 AC_SUBST(GDBTK_SRC_DIR)
2090 # Unlike the sim directory, whether a simulator is linked is controlled by
2091 # presence of a gdb_sim definition in the target configure.tgt entry.
2092 # This code just checks for a few cases where we'd like to ignore those
2093 # definitions, even when they're present in the '.mt' file. These cases
2094 # are when --disable-sim is specified, or if the simulator directory is
2095 # not part of the source tree.
2098 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2099 [echo "enable_sim = $enable_sim";
2100 echo "enableval = ${enableval}";
2101 case "${enableval}" in
2102 yes) ignore_sim=false ;;
2103 no) ignore_sim=true ;;
2104 *) ignore_sim=false ;;
2108 if test ! -d "${srcdir}/../sim"; then
2114 if test "${ignore_sim}" = "false"; then
2115 if test x"${gdb_sim}" != x ; then
2117 SIM_OBS="remote-sim.o"
2118 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2124 AC_SUBST(ENABLE_CFLAGS)
2125 AC_SUBST(PROFILE_CFLAGS)
2127 AC_SUBST(CONFIG_OBS)
2128 AC_SUBST(CONFIG_DEPS)
2129 AC_SUBST(CONFIG_SRCS)
2130 AC_SUBST(CONFIG_ALL)
2131 AC_SUBST(CONFIG_CLEAN)
2132 AC_SUBST(CONFIG_INSTALL)
2133 AC_SUBST(CONFIG_UNINSTALL)
2135 # List of host floatformats.
2136 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2137 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2138 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2140 # target_subdir is used by the testsuite to find the target libraries.
2142 if test "${host}" != "${target}"; then
2143 target_subdir="${target_alias}/"
2145 AC_SUBST(target_subdir)
2148 if test "${gdb_native}" = "yes"; then
2149 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2150 if test ! -f ${host_makefile_frag}; then
2151 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2153 frags="$frags $host_makefile_frag"
2155 host_makefile_frag=/dev/null
2158 AC_SUBST_FILE(host_makefile_frag)
2162 if test "${gdb_native}" = "yes"; then
2163 # We pick this up from the host configuration file (.mh) because we
2164 # do not have a native configuration Makefile fragment.
2165 nativefile=`sed -n '
2166 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2167 ' ${host_makefile_frag}`
2171 if test x"${gdb_osabi}" != x ; then
2172 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2173 [Define to the default OS ABI for this configuration.])
2176 # Enable multi-ice-gdb-server.
2177 AC_ARG_ENABLE(multi-ice,
2178 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2182 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2184 if test "x$enable_multi_ice" = xyes; then
2185 AC_CONFIG_SUBDIRS(multi-ice)
2188 AC_ARG_ENABLE(gdbserver,
2189 AS_HELP_STRING([--enable-gdbserver],
2190 [automatically build gdbserver (yes/no/auto, default is auto)]),
2191 [case "${enableval}" in
2193 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2194 esac],[enable_gdbserver=auto])
2196 # We only build gdbserver automatically in a native configuration, and
2197 # only if the user did not explicitly disable its build.
2198 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2199 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2200 if test "x$build_gdbserver" = xyes; then
2202 AC_CONFIG_SUBDIRS(gdbserver)
2203 gdbserver_build_enabled=yes
2209 # If the user explicitly request the gdbserver to be built, verify that
2210 # we were in fact able to enable it.
2211 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2212 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2215 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2216 # to an empty version.
2222 if test "${nativefile}" != ""; then
2223 case "${nativefile}" in
2224 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2225 * ) GDB_NM_FILE="${nativefile}"
2227 files="${files} ${GDB_NM_FILE}"
2228 links="${links} nm.h"
2229 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2231 AC_SUBST(GDB_NM_FILE)
2233 AC_LINK_FILES($files, $links)
2235 dnl Check for exe extension set on certain hosts (e.g. Win32)
2238 dnl Detect the character set used by this host.
2239 dnl At the moment, we just assume it's UTF-8.
2240 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2241 [Define to be a string naming the default host character set.])
2243 AC_OUTPUT(Makefile .gdbinit:gdbinit.in doc/Makefile gnulib/Makefile data-directory/Makefile,
2245 case x$CONFIG_HEADERS in
2246 xconfig.h:config.in)