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])
631 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
632 [], [with_expat=auto])
633 AC_MSG_CHECKING([whether to use expat])
634 AC_MSG_RESULT([$with_expat])
636 if test "${with_expat}" = no; then
637 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
640 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
641 [XML_Parser p = XML_ParserCreate (0);])
642 if test "$HAVE_LIBEXPAT" != yes; then
643 if test "$with_expat" = yes; then
644 AC_MSG_ERROR([expat is missing or unusable])
646 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
650 LIBS="$LIBS $LIBEXPAT"
651 AC_CHECK_FUNCS(XML_StopParser)
656 dnl Utility to simplify finding libpython.
658 dnl $2 = the shell variable to assign the result to
659 dnl If libpython is found we store $version here.
660 dnl $3 = additional flags to add to CPPFLAGS
661 dnl $4 = additional flags to add to LIBS
663 AC_DEFUN([AC_TRY_LIBPYTHON],
666 define([have_libpython_var],$2)
669 AC_MSG_CHECKING([for ${version}])
670 save_CPPFLAGS=$CPPFLAGS
672 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
673 LIBS="$LIBS $new_LIBS"
674 found_usable_python=no
675 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
676 [[Py_Initialize ();]]),
677 [have_libpython_var=${version}
678 found_usable_python=yes
679 PYTHON_CPPFLAGS=$new_CPPFLAGS
680 PYTHON_LIBS=$new_LIBS])
681 CPPFLAGS=$save_CPPFLAGS
683 AC_MSG_RESULT([${found_usable_python}])
686 dnl There are several different values for --with-python:
688 dnl no - Don't include python support.
689 dnl yes - Include python support, error if it's missing.
690 dnl If we find python in $PATH, use it to fetch configure options,
691 dnl otherwise assume the compiler can find it with no help from us.
692 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
693 dnl auto - Same as "yes", but if python is missing from the system,
694 dnl fall back to "no".
695 dnl /path/to/python/exec-prefix -
696 dnl Use the python located in this directory.
697 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
698 dnl the compilation parameters. Otherwise use
699 dnl -I/path/to/python/exec-prefix/include,
700 dnl -L/path/to/python/exec-prefix/lib.
701 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
702 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
703 dnl but is deprecated.
704 dnl /path/to/python/executable -
705 dnl Run python-config.py with this version of python to fetch the
706 dnl compilation parameters.
707 dnl NOTE: This needn't be the real python executable.
708 dnl In a cross-compilation scenario (build != host), this could be
709 dnl a shell script that provides what python-config.py provides for
710 dnl --ldflags, --includes, --exec-prefix.
711 dnl python-executable -
712 dnl Find python-executable in $PATH, and then handle the same as
713 dnl /path/to/python/executable.
715 dnl If a python program is specified, it is used to run python-config.py and
716 dnl is passed --ldflags, --includes, --exec-prefix.
719 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
720 [], [with_python=auto])
721 AC_MSG_CHECKING([whether to use python])
722 AC_MSG_RESULT([$with_python])
724 if test "${with_python}" = no; then
725 AC_MSG_WARN([python support disabled; some features may be unavailable.])
728 case "${with_python}" in
730 if test -d ${with_python}; then
731 # Assume the python binary is ${with_python}/bin/python.
732 python_prog="${with_python}/bin/python"
734 # If python does not exit ${with_python}/bin, then try in
735 # ${with_python}. On Windows/MinGW, this is where the Python
737 if test ! -x "${python_prog}"; then
738 python_prog="${with_python}/python"
741 if test ! -x "${python_prog}"; then
742 # Fall back to gdb 7.0/7.1 behaviour.
744 python_prefix=${with_python}
746 elif test -x "${with_python}"; then
747 # While we can't run python compiled for $host (unless host == build),
748 # the user could write a script that provides the needed information,
749 # so we support that.
750 python_prog=${with_python}
753 AC_ERROR(invalid value for --with-python)
757 # Disallow --with-python=foo/bar.
758 AC_ERROR(invalid value for --with-python)
761 # The user has either specified auto, yes, or the name of the python
762 # program assumed to be in $PATH.
764 case "${with_python}" in
766 if test ${build} = ${host}; then
767 AC_PATH_PROG(python_prog_path, python, missing)
768 if test "${python_prog_path}" = missing; then
771 python_prog=${python_prog_path}
774 # Not much we can do except assume the cross-compiler will find the
780 # While we can't run python compiled for $host (unless host == build),
781 # the user could write a script that provides the needed information,
782 # so we support that.
783 python_prog="${with_python}"
784 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
785 if test "${python_prog_path}" = missing; then
786 AC_ERROR(unable to find python program ${python_prog})
792 if test "${python_prog}" != missing; then
793 # We have a python program to use, but it may be too old.
794 # Don't flag an error for --with-python=auto (the default).
795 have_python_config=yes
796 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
797 if test $? != 0; then
798 have_python_config=failed
799 if test "${with_python}" != auto; then
800 AC_ERROR(failure running python-config --includes)
803 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
804 if test $? != 0; then
805 have_python_config=failed
806 if test "${with_python}" != auto; then
807 AC_ERROR(failure running python-config --ldflags)
810 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
811 if test $? != 0; then
812 have_python_config=failed
813 if test "${with_python}" != auto; then
814 AC_ERROR(failure running python-config --exec-prefix)
818 # We do not have a python executable we can use to determine where
819 # to find the Python headers and libs. We cannot guess the include
820 # path from the python_prefix either, because that include path
821 # depends on the Python version. So, there is nothing much we can
822 # do except assume that the compiler will be able to find those files.
825 have_python_config=no
828 # If we have python-config, only try the configuration it provides.
829 # Otherwise fallback on the old way of trying different versions of
833 if test "${have_python_config}" = yes; then
834 # Determine the Python version by extracting "-lpython<version>"
835 # part of the python_libs. <version> is usually X.Y with X and Y
836 # being decimal numbers, but can also be XY (seen on Windows).
838 # The extraction is performed using sed with a regular expression.
839 # Initially, the regexp used was using the '?' quantifier to make
840 # the dot in the version number optional. Unfortunately, this
841 # does not work with non-GNU versions of sed because, because of
842 # what looks like a limitation (the '?' quantifier does not work
843 # with back-references). We work around this limitation by using
844 # the '*' quantifier instead. It means that, in theory, we might
845 # match unexpected version strings such as "-lpython2..7", but
846 # this seems unlikely in practice. And even if that happens,
847 # an error will be triggered later on, when checking that version
849 python_version=`echo " ${python_libs} " \
850 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
851 case "${python_version}" in
853 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
854 ${python_includes}, ${python_libs})
857 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
860 elif test "${have_python_config}" != failed; then
861 if test "${have_libpython}" = no; then
862 AC_TRY_LIBPYTHON(python2.7, have_libpython,
863 ${python_includes}, "${python_libs} -lpython2.7")
865 if test "${have_libpython}" = no; then
866 AC_TRY_LIBPYTHON(python2.6, have_libpython,
867 ${python_includes}, "${python_libs} -lpython2.6")
869 if test ${have_libpython} = no; then
870 AC_TRY_LIBPYTHON(python2.5, have_libpython,
871 ${python_includes}, "${python_libs} -lpython2.5")
873 if test ${have_libpython} = no; then
874 AC_TRY_LIBPYTHON(python2.4, have_libpython,
875 ${python_includes}, "${python_libs} -lpython2.4")
878 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
879 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
880 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
881 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
882 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
883 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
884 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
885 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
888 if test "${have_libpython}" = no; then
889 case "${with_python}" in
891 AC_MSG_ERROR([python is missing or unusable])
894 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
897 AC_MSG_ERROR([no usable python found at ${with_python}])
901 if test -n "${python_prefix}"; then
902 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
903 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
904 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
909 if test "${have_libpython}" != no; then
910 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
911 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
912 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
913 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
914 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
915 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
917 # Flags needed to compile Python code (taken from python-config --cflags).
918 # We cannot call python-config directly because it will output whatever was
919 # used when compiling the Python interpreter itself, including flags which
920 # would make the python-related objects be compiled differently from the
921 # rest of GDB (e.g., -O2 and -fPIC).
922 if test "${GCC}" = yes; then
923 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
926 if test "x${tentative_python_cflags}" != x; then
927 AC_MSG_CHECKING(compiler flags for python code)
928 for flag in ${tentative_python_cflags}; do
929 # Check that the compiler accepts it
930 saved_CFLAGS="$CFLAGS"
931 CFLAGS="$CFLAGS $flag"
932 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
933 CFLAGS="$saved_CFLAGS"
935 AC_MSG_RESULT(${PYTHON_CFLAGS})
938 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
940 # #define siginfo __siginfo
942 # The problem is that including Python causes some XOPEN macros to be
943 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
944 # to false. So, we work around this issue by defining siginfo ourself
945 # though the command-line.
947 irix*) if test "${GCC}" = yes; then
948 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
953 # Even if Python support is not compiled in, we need to have these files
955 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
956 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
957 python/py-prettyprint.c python/py-auto-load.c"
959 AC_SUBST(PYTHON_CFLAGS)
960 AC_SUBST(PYTHON_CPPFLAGS)
961 AC_SUBST(PYTHON_LIBS)
963 # ------------------------- #
964 # Checks for header files. #
965 # ------------------------- #
970 # elf_hp.h is for HP/UX 64-bit shared library support.
971 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
972 # unconditionally, so what's the point in checking these?
973 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
974 thread_db.h gnu/libc-version.h signal.h stddef.h \
975 stdlib.h string.h memory.h strings.h sys/fault.h \
976 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
977 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
978 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
979 sys/types.h sys/wait.h wait.h termios.h termio.h \
980 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
981 AC_CHECK_HEADERS(link.h, [], [],
982 [#if HAVE_SYS_TYPES_H
983 # include <sys/types.h>
989 AC_CHECK_HEADERS(sys/proc.h, [], [],
990 [#if HAVE_SYS_PARAM_H
991 # include <sys/param.h>
994 AC_CHECK_HEADERS(sys/user.h, [], [],
995 [#if HAVE_SYS_PARAM_H
996 # include <sys/param.h>
1000 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1001 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1002 # think that we don't have <curses.h> if we're using GCC.
1005 if test "$GCC" = yes; then
1006 AC_DEFINE(_MSE_INT_H, 1,
1007 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1008 Solaris 2.[789] when using GCC. ])
1011 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1012 AC_CHECK_HEADERS(term.h, [], [],
1014 # include <curses.h>
1018 # ------------------------- #
1019 # Checks for declarations. #
1020 # ------------------------- #
1022 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1023 snprintf, vsnprintf])
1026 # ----------------------- #
1027 # Checks for structures. #
1028 # ----------------------- #
1030 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1032 # ------------------ #
1033 # Checks for types. #
1034 # ------------------ #
1037 AC_CHECK_TYPES(socklen_t, [], [],
1038 [#include <sys/types.h>
1039 #include <sys/socket.h>
1042 # ------------------------------------- #
1043 # Checks for compiler characteristics. #
1044 # ------------------------------------- #
1050 # ------------------------------ #
1051 # Checks for library functions. #
1052 # ------------------------------ #
1057 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
1058 getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
1059 sigaction sigprocmask sigsetmask socketpair syscall \
1060 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1061 setrlimit getrlimit posix_madvise waitpid])
1064 # Check the return and argument types of ptrace. No canned test for
1065 # this, so roll our own.
1066 gdb_ptrace_headers='
1067 #if HAVE_SYS_TYPES_H
1068 # include <sys/types.h>
1070 #if HAVE_SYS_PTRACE_H
1071 # include <sys/ptrace.h>
1074 # include <unistd.h>
1077 # There is no point in checking if we don't have a prototype.
1078 AC_CHECK_DECLS(ptrace, [], [
1079 : ${gdb_cv_func_ptrace_ret='int'}
1080 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1081 ], $gdb_ptrace_headers)
1082 # Check return type. Varargs (used on GNU/Linux) conflict with the
1083 # empty argument list, so check for that explicitly.
1084 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1085 AC_TRY_COMPILE($gdb_ptrace_headers,
1086 [extern long ptrace (enum __ptrace_request, ...);],
1087 gdb_cv_func_ptrace_ret='long',
1088 AC_TRY_COMPILE($gdb_ptrace_headers,
1089 [extern int ptrace ();],
1090 gdb_cv_func_ptrace_ret='int',
1091 gdb_cv_func_ptrace_ret='long')))
1092 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1093 [Define as the return type of ptrace.])
1094 # Check argument types.
1095 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1096 AC_TRY_COMPILE($gdb_ptrace_headers,
1097 [extern long ptrace (enum __ptrace_request, ...);],
1098 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1099 for gdb_arg1 in 'int' 'long'; do
1100 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1101 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1102 for gdb_arg4 in 'int' 'long'; do
1103 AC_TRY_COMPILE($gdb_ptrace_headers, [
1104 extern $gdb_cv_func_ptrace_ret
1105 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1106 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1108 for gdb_arg5 in 'int *' 'int' 'long'; do
1109 AC_TRY_COMPILE($gdb_ptrace_headers, [
1110 extern $gdb_cv_func_ptrace_ret
1111 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1113 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1120 # Provide a safe default value.
1121 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1123 ac_save_IFS=$IFS; IFS=','
1124 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1127 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1128 [Define to the type of arg 3 for ptrace.])
1129 if test -n "$[5]"; then
1130 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1131 [Define to the type of arg 5 for ptrace.])
1134 dnl AC_FUNC_SETPGRP does not work when cross compiling
1135 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1136 if test "$cross_compiling" = no; then
1139 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1143 if (setpgrp(1,1) == -1)
1147 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1148 if test $ac_cv_func_setpgrp_void = yes; then
1149 AC_DEFINE(SETPGRP_VOID, 1)
1153 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1154 # since sigsetjmp might only be defined as a macro.
1155 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1158 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1159 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1160 if test $gdb_cv_func_sigsetjmp = yes; then
1161 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1164 # Assume we'll default to using the included libiberty regex.
1165 gdb_use_included_regex=yes
1167 # However, if the system regex is GNU regex, then default to *not*
1168 # using the included regex.
1171 [gdb_cv_have_gnu_regex],
1173 [#include <gnu-versions.h>],
1174 [#define REGEX_INTERFACE_VERSION 1
1175 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1176 # error "Version mismatch"
1178 gdb_cv_have_gnu_regex=yes,
1179 gdb_cv_have_gnu_regex=no)])
1180 if test $gdb_cv_have_gnu_regex = yes; then
1181 gdb_use_included_regex=no
1184 AC_ARG_WITH(included-regex,
1185 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1186 gdb_with_regex=$withval,
1187 gdb_with_regex=$gdb_use_included_regex)
1188 if test "$gdb_with_regex" = yes; then
1189 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1190 [Define to 1 if the regex included in libiberty should be used.])
1193 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1194 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1195 [#include <sys/param.h>
1196 #include <sys/proc.h>
1199 # See if <sys/lwp.h> defines `struct lwp`.
1200 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1201 [AC_TRY_COMPILE([#include <sys/param.h>
1202 #include <sys/lwp.h>], [struct lwp l;],
1203 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1204 if test $gdb_cv_struct_lwp = yes; then
1205 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1206 [Define to 1 if your system has struct lwp.])
1209 # See if <machine/reg.h> degines `struct reg'.
1210 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1211 [AC_TRY_COMPILE([#include <sys/types.h>
1212 #include <machine/reg.h>], [struct reg r;],
1213 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1214 if test $gdb_cv_struct_reg = yes; then
1215 AC_DEFINE(HAVE_STRUCT_REG, 1,
1216 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1219 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1220 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1221 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1222 [#include <machine/reg.h>])
1224 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1225 AC_MSG_CHECKING(for PTRACE_GETREGS)
1226 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1227 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1229 [gdb_cv_have_ptrace_getregs=yes],
1230 [gdb_cv_have_ptrace_getregs=no])])
1231 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1232 if test $gdb_cv_have_ptrace_getregs = yes; then
1233 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1234 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1237 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1238 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1239 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1240 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1241 [PTRACE_GETFPXREGS;],
1242 [gdb_cv_have_ptrace_getfpxregs=yes],
1243 [gdb_cv_have_ptrace_getfpxregs=no])])
1244 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1245 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1246 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1247 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1250 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1251 AC_MSG_CHECKING(for PT_GETDBREGS)
1252 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1253 [AC_TRY_COMPILE([#include <sys/types.h>
1254 #include <sys/ptrace.h>],
1256 [gdb_cv_have_pt_getdbregs=yes],
1257 [gdb_cv_have_pt_getdbregs=no])])
1258 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1259 if test $gdb_cv_have_pt_getdbregs = yes; then
1260 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1261 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1264 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1265 AC_MSG_CHECKING(for PT_GETXMMREGS)
1266 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1267 [AC_TRY_COMPILE([#include <sys/types.h>
1268 #include <sys/ptrace.h>],
1270 [gdb_cv_have_pt_getxmmregs=yes],
1271 [gdb_cv_have_pt_getxmmregs=no])])
1272 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1273 if test $gdb_cv_have_pt_getxmmregs = yes; then
1274 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1275 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1278 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1280 if test "${target}" = "${host}"; then
1282 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1283 AC_DEFINE(NEW_PROC_API, 1,
1284 [Define if you want to use new multi-fd /proc interface
1285 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1287 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1288 AC_DEFINE(NEW_PROC_API, 1,
1289 [Define if you want to use new multi-fd /proc interface
1290 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1293 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1294 AC_DEFINE([_KMEMUSER], 1,
1295 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1296 around a <sys/proc.h> problem on IRIX 5.])
1301 if test "$ac_cv_header_sys_procfs_h" = yes; then
1302 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1303 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1304 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1305 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1306 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1307 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1308 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1309 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1310 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1311 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1312 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1313 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1314 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1315 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1318 dnl Check for broken prfpregset_t type
1320 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1321 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1322 dnl instead of the struct itself). We detect this here, and work
1323 dnl around it in gdb_proc_service.h.
1325 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1326 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1327 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1328 [AC_TRY_RUN([#include <sys/procfs.h>
1331 if (sizeof (prfpregset_t) == sizeof (void *))
1335 gdb_cv_prfpregset_t_broken=no,
1336 gdb_cv_prfpregset_t_broken=yes,
1337 gdb_cv_prfpregset_t_broken=yes)])
1338 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1339 if test $gdb_cv_prfpregset_t_broken = yes; then
1340 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1341 [Define if the prfpregset_t type is broken.])
1345 dnl Check for PIOCSET ioctl entry
1347 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1348 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1349 [AC_TRY_COMPILE([#include <unistd.h>
1350 #include <sys/types.h>
1351 #include <sys/procfs.h>
1354 dummy = ioctl(0, PIOCSET, &dummy);
1356 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1357 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1358 if test $gdb_cv_have_procfs_piocset = yes; then
1359 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1360 [Define if ioctl argument PIOCSET is available.])
1364 dnl For native ports (host == target), check to see what kind of
1365 dnl legacy link.h support is needed. (See solib-legacy.c.)
1366 if test ${host} = ${target} ; then
1367 dnl Check for struct link_map with l_ members which are indicative
1368 dnl of SVR4-like shared libraries
1370 AC_MSG_CHECKING(for member l_addr in struct link_map)
1371 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1372 [AC_TRY_COMPILE([#include <link.h>],
1373 [struct link_map lm; (void) lm.l_addr;],
1374 gdb_cv_have_struct_link_map_with_l_members=yes,
1375 gdb_cv_have_struct_link_map_with_l_members=no)])
1376 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1377 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1378 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1379 [Define if <link.h> exists and defines struct link_map which has
1380 members with an ``l_'' prefix. (For Solaris, SVR4, and
1381 SVR4-like systems.)])
1384 dnl Check for struct link_map with lm_ members which are indicative
1385 dnl of SunOS-like shared libraries
1387 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1388 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1389 [AC_TRY_COMPILE([#include <sys/types.h>
1391 [struct link_map lm; (void) lm.lm_addr;],
1392 gdb_cv_have_struct_link_map_with_lm_members=yes,
1393 gdb_cv_have_struct_link_map_with_lm_members=no)])
1394 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1395 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1396 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1397 [Define if <link.h> exists and defines struct link_map which has
1398 members with an ``lm_'' prefix. (For SunOS.)])
1401 dnl Check for struct so_map with som_ members which are found on
1402 dnl some *BSD systems.
1404 AC_MSG_CHECKING(for member som_addr in struct so_map)
1405 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1406 [AC_TRY_COMPILE([#include <sys/types.h>
1411 [struct so_map lm; (void) lm.som_addr;],
1412 gdb_cv_have_struct_so_map_with_som_members=yes,
1413 gdb_cv_have_struct_so_map_with_som_members=no)])
1414 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1415 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1416 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1417 [Define if <link.h> exists and defines a struct so_map which has
1418 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1421 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1422 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1424 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1425 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1426 [AC_TRY_COMPILE([#define _SYSCALL32
1427 #include <sys/link.h>], [struct link_map32 l;],
1428 gdb_cv_have_struct_link_map32=yes,
1429 gdb_cv_have_struct_link_map32=no)])
1430 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1431 if test $gdb_cv_have_struct_link_map32 = yes; then
1432 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1433 [Define if <sys/link.h> has struct link_map32])
1434 AC_DEFINE(_SYSCALL32, 1,
1435 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1439 # Check if the compiler supports the `long long' type.
1441 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1442 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1443 [[extern long long foo;]],
1444 [[switch (foo & 2) { case 0: return 1; }]])],
1445 gdb_cv_c_long_long=yes,
1446 gdb_cv_c_long_long=no)])
1447 if test $gdb_cv_c_long_long = yes; then
1448 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1449 [Define to 1 if the compiler supports long long.])
1452 # Check if the compiler and runtime support printing long longs.
1454 AC_CACHE_CHECK([for long long support in printf],
1455 gdb_cv_printf_has_long_long,
1456 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1459 l = (l << 16) + 0x0123;
1460 l = (l << 16) + 0x4567;
1461 l = (l << 16) + 0x89ab;
1462 l = (l << 16) + 0xcdef;
1463 sprintf (buf, "0x%016llx", l);
1464 return (strcmp ("0x0123456789abcdef", buf));]])],
1465 gdb_cv_printf_has_long_long=yes,
1466 gdb_cv_printf_has_long_long=no,
1467 gdb_cv_printf_has_long_long=no)])
1468 if test $gdb_cv_printf_has_long_long = yes; then
1469 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1470 [Define to 1 if the "%ll" format works to print long longs.])
1473 # Check if the compiler and runtime support printing decfloats.
1475 AC_CACHE_CHECK([for decfloat support in printf],
1476 gdb_cv_printf_has_decfloat,
1477 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1479 _Decimal32 d32 = 1.2345df;
1480 _Decimal64 d64 = 1.2345dd;
1481 _Decimal128 d128 = 1.2345dl;
1482 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1483 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1484 gdb_cv_printf_has_decfloat=yes,
1485 gdb_cv_printf_has_decfloat=no,
1486 gdb_cv_printf_has_decfloat=no)])
1487 if test $gdb_cv_printf_has_decfloat = yes; then
1488 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1489 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1492 # Check if the compiler supports the `long double' type. We can't use
1493 # AC_C_LONG_DOUBLE because that one does additional checks on the
1494 # constants defined in <float.h> that fail on some systems,
1495 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1497 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1498 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1499 gdb_cv_c_long_double=yes,
1500 gdb_cv_c_long_double=no)])
1501 if test $gdb_cv_c_long_double = yes; then
1502 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1503 [Define to 1 if the compiler supports long double.])
1506 # Check if the compiler and runtime support printing long doubles.
1508 AC_CACHE_CHECK([for long double support in printf],
1509 gdb_cv_printf_has_long_double,
1510 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1512 long double f = 3.141592653;
1513 sprintf (buf, "%Lg", f);
1514 return (strncmp ("3.14159", buf, 7));]])],
1515 gdb_cv_printf_has_long_double=yes,
1516 gdb_cv_printf_has_long_double=no,
1517 gdb_cv_printf_has_long_double=no)])
1518 if test $gdb_cv_printf_has_long_double = yes; then
1519 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1520 [Define to 1 if the "%Lg" format works to print long doubles.])
1523 # Check if the compiler and runtime support scanning long doubles.
1525 AC_CACHE_CHECK([for long double support in scanf],
1526 gdb_cv_scanf_has_long_double,
1527 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1528 [[#include <stdio.h>]],
1529 [[char *buf = "3.141592653";
1531 sscanf (buf, "%Lg", &f);
1532 return !(f > 3.14159 && f < 3.14160);]])],
1533 gdb_cv_scanf_has_long_double=yes,
1534 gdb_cv_scanf_has_long_double=no,
1535 gdb_cv_scanf_has_long_double=no)])
1536 if test $gdb_cv_scanf_has_long_double = yes; then
1537 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1538 [Define to 1 if the "%Lg" format works to scan long doubles.])
1543 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1544 SAVE_LDFLAGS=$LDFLAGS
1547 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1548 *) gdb_cv_bigtoc=-bbigtoc ;;
1551 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1552 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1553 LDFLAGS="${SAVE_LDFLAGS}"
1555 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1559 AC_MSG_CHECKING(for the dynamic export flag)
1561 if test "${gdb_native}" = yes; then
1562 # The dynamically loaded libthread_db needs access to symbols in the gdb
1563 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1564 # may not be supported there.
1565 old_LDFLAGS="$LDFLAGS"
1566 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1567 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1568 LDFLAGS="$LDFLAGS $RDYNAMIC"
1569 if test "${have_libpython}" = no; then
1570 AC_TRY_LINK([], [], [dynamic_list=true])
1572 # Workaround http://bugs.python.org/issue4434 where static
1573 # libpythonX.Y.a would get its symbols required for
1574 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1575 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1576 old_CFLAGS="$CFLAGS"
1577 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1580 [#include "]${have_libpython}[/Python.h"],
1583 err = PyRun_SimpleString ("import itertools\n");
1585 return err == 0 ? 0 : 1;]),
1586 [dynamic_list=true], [], [true])
1587 CFLAGS="$old_CFLAGS"
1589 LDFLAGS="$old_LDFLAGS"
1591 if $dynamic_list; then
1592 found="-Wl,--dynamic-list"
1593 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1596 RDYNAMIC="-rdynamic"
1599 AC_MSG_RESULT($found)
1601 dnl For certain native configurations, we need to check whether thread
1602 dnl support can be built in or not.
1604 dnl Note that we only want this if we are both native (host == target),
1605 dnl and not doing a canadian cross build (build == host).
1607 if test ${build} = ${host} -a ${host} = ${target} ; then
1610 # See if thread_db library is around for Solaris thread debugging.
1611 # Note that we must explicitly test for version 1 of the library
1612 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1614 AC_MSG_CHECKING(for Solaris thread debugging library)
1615 if test -f /usr/lib/libthread_db.so.1 ; then
1617 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1618 [Define if using Solaris thread debugging.])
1619 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1620 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1621 AC_CHECK_LIB(dl, dlopen)
1622 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1623 # Sun randomly tweaked the prototypes in <proc_service.h>
1625 AC_MSG_CHECKING(if <proc_service.h> is old)
1626 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1628 #include <proc_service.h>
1630 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1631 ],, gdb_cv_proc_service_is_old=no,
1632 gdb_cv_proc_service_is_old=yes)
1634 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1635 if test $gdb_cv_proc_service_is_old = yes; then
1636 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1637 [Define if <proc_service.h> on solaris uses int instead of
1638 size_t, and assorted other type changes.])
1645 AC_MSG_CHECKING(for AiX thread debugging library)
1646 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1647 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1648 [#ifndef PTHDB_VERSION_3
1651 gdb_cv_have_aix_thread_debug=yes,
1652 gdb_cv_have_aix_thread_debug=no)])
1653 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1654 if test $gdb_cv_have_aix_thread_debug = yes; then
1655 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1656 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1657 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1659 # Older versions of AIX do not provide the declaration for
1660 # the getthrds function (it appears that it was introduced
1662 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1666 AC_SUBST(CONFIG_LDFLAGS)
1669 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1670 dnl other error codes.
1671 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1672 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1673 gdb_cv_thread_db_h_has_td_notalloc,
1675 [#include <thread_db.h>],
1676 [int i = TD_NOTALLOC;],
1677 gdb_cv_thread_db_h_has_td_notalloc=yes,
1678 gdb_cv_thread_db_h_has_td_notalloc=no
1681 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1682 gdb_cv_thread_db_h_has_td_version,
1684 [#include <thread_db.h>],
1685 [int i = TD_VERSION;],
1686 gdb_cv_thread_db_h_has_td_version=yes,
1687 gdb_cv_thread_db_h_has_td_version=no
1690 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1691 gdb_cv_thread_db_h_has_td_notls,
1693 [#include <thread_db.h>],
1694 [int i = TD_NOTLS;],
1695 gdb_cv_thread_db_h_has_td_notls=yes,
1696 gdb_cv_thread_db_h_has_td_notls=no
1700 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1701 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1702 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1704 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1705 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1706 [Define if <thread_db.h> has the TD_VERSION error code.])
1708 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1709 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1710 [Define if <thread_db.h> has the TD_NOTLS error code.])
1713 dnl See if we have a sys/syscall header file that has __NR_tkill.
1714 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1715 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1716 gdb_cv_sys_syscall_h_has_tkill,
1718 [#include <sys/syscall.h>],
1719 [int i = __NR_tkill;],
1720 gdb_cv_sys_syscall_h_has_tkill=yes,
1721 gdb_cv_sys_syscall_h_has_tkill=no
1725 dnl See if we can issue tkill syscall.
1726 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1727 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1730 dnl Check if we can disable the virtual address space randomization.
1731 dnl The functionality of setarch -R.
1732 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1733 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1734 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1735 # define ADDR_NO_RANDOMIZE 0x0040000
1737 /* Test the flag could be set and stays set. */
1738 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1739 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1741 AC_RUN_IFELSE([PERSONALITY_TEST],
1742 [have_personality=true],
1743 [have_personality=false],
1744 [AC_LINK_IFELSE([PERSONALITY_TEST],
1745 [have_personality=true],
1746 [have_personality=false])])
1747 if $have_personality
1749 AC_DEFINE([HAVE_PERSONALITY], 1,
1750 [Define if you support the personality syscall.])
1753 dnl Handle optional features that can be enabled.
1755 target_sysroot_reloc=0
1756 AC_ARG_WITH(sysroot,
1757 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1759 case ${with_sysroot} in
1760 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1761 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1764 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1766 if test "x$prefix" = xNONE; then
1767 test_prefix=/usr/local
1771 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1772 test_exec_prefix=$test_prefix
1774 test_exec_prefix=$exec_prefix
1776 case ${TARGET_SYSTEM_ROOT} in
1777 "${test_prefix}"|"${test_prefix}/"*|\
1778 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1779 '${prefix}'|'${prefix}/'*|\
1780 '${exec_prefix}'|'${exec_prefix}/'*)
1781 target_sysroot_reloc=1
1786 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1788 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1789 AC_SUBST(TARGET_SYSTEM_ROOT)
1790 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1792 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1793 [automatically load a system-wide gdbinit file],
1796 AC_ARG_ENABLE(werror,
1797 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1798 [case "${enableval}" in
1799 yes | y) ERROR_ON_WARNING="yes" ;;
1800 no | n) ERROR_ON_WARNING="no" ;;
1801 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1804 # Enable -Werror by default when using gcc
1805 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1806 ERROR_ON_WARNING=yes
1810 if test "${ERROR_ON_WARNING}" = yes ; then
1811 WERROR_CFLAGS="-Werror"
1814 # The entries after -Wno-pointer-sign are disabled warnings which may
1815 # be enabled in the future, which can not currently be used to build
1817 # NOTE: If you change this list, remember to update
1818 # gdb/doc/gdbint.texinfo.
1819 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1820 -Wformat-nonliteral -Wno-pointer-sign \
1821 -Wno-unused -Wunused-value -Wunused-function \
1822 -Wno-switch -Wno-char-subscripts"
1824 # Enable -Wno-format by default when using gcc on mingw since many
1825 # GCC versions complain about %I64.
1827 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1830 AC_ARG_ENABLE(build-warnings,
1831 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1832 [case "${enableval}" in
1834 no) build_warnings="-w";;
1835 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1836 build_warnings="${build_warnings} ${t}";;
1837 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1838 build_warnings="${t} ${build_warnings}";;
1839 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1841 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1842 echo "Setting compiler warning flags = $build_warnings" 6>&1
1844 AC_ARG_ENABLE(gdb-build-warnings,
1845 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1846 [case "${enableval}" in
1848 no) build_warnings="-w";;
1849 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1850 build_warnings="${build_warnings} ${t}";;
1851 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1852 build_warnings="${t} ${build_warnings}";;
1853 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1855 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1856 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1859 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1861 AC_MSG_CHECKING(compiler warning flags)
1862 # Separate out the -Werror flag as some files just cannot be
1863 # compiled with it enabled.
1864 for w in ${build_warnings}; do
1866 -Werr*) WERROR_CFLAGS=-Werror ;;
1867 *) # Check that GCC accepts it
1868 saved_CFLAGS="$CFLAGS"
1870 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1871 CFLAGS="$saved_CFLAGS"
1874 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1876 AC_SUBST(WARN_CFLAGS)
1877 AC_SUBST(WERROR_CFLAGS)
1879 # In the Cygwin environment, we need some additional flags.
1880 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1881 [AC_EGREP_CPP(lose, [
1882 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1884 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1887 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1888 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1890 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1891 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1892 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1894 AC_SUBST(SER_HARDWIRE)
1896 # libreadline needs libuser32.a in a cygwin environment
1898 if test x$gdb_cv_os_cygwin = xyes; then
1899 WIN32LIBS="-luser32"
1901 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1906 # The ser-tcp.c module requires sockets.
1909 AC_DEFINE(USE_WIN32API, 1,
1910 [Define if we should use the Windows API, instead of the
1911 POSIX API. On Windows, we use the Windows API when
1912 building for MinGW, but the POSIX API when building
1914 WIN32LIBS="$WIN32LIBS -lws2_32"
1919 # Add ELF support to GDB, but only if BFD includes ELF support.
1921 OLD_LDFLAGS=$LDFLAGS
1923 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1924 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1925 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1926 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1927 if test "$plugins" = "yes"; then
1930 LIBS="-lbfd -liberty $intl $LIBS"
1931 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1933 [#include <stdlib.h>
1935 #include "elf-bfd.h"
1937 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1938 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1939 if test $gdb_cv_var_elf = yes; then
1940 CONFIG_OBS="$CONFIG_OBS elfread.o"
1941 AC_DEFINE(HAVE_ELF, 1,
1942 [Define if ELF support should be included.])
1943 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1944 if test "$plugins" = "yes"; then
1945 OLD_LIBS="-ldl $OLD_LIBS"
1949 LDFLAGS=$OLD_LDFLAGS
1952 # Add any host-specific objects to GDB.
1953 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1955 LIBGUI="../libgui/src/libgui.a"
1956 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1958 AC_SUBST(GUI_CFLAGS_X)
1962 AC_SUBST(WIN32LDAPP)
1965 *-*-cygwin* | *-*-mingw* )
1974 if test "${enable_gdbtk}" = "yes"; then
1976 # Gdbtk must have an absolute path to srcdir in order to run
1977 # properly when not installed.
1985 # If $no_tk is nonempty, then we can't do Tk, and there is no
1986 # point to doing Tcl.
1989 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1992 # Check for in-tree tcl
1999 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2003 # Find Tcl private headers
2004 if test x"${intree}" = xno; then
2005 CY_AC_TCL_PRIVATE_HEADERS
2006 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2007 TCL_LIBRARY="${TCL_LIB_SPEC}"
2010 # If building tcl in the same src tree, private headers
2011 # are not needed, but we need to be sure to use the right
2013 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2014 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2015 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2017 AC_SUBST(TCL_INCLUDE)
2018 AC_SUBST(TCL_LIBRARY)
2023 # Check for in-tree Tk
2025 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2029 # Find Tk private headers
2030 if test x"${intree}" = xno; then
2031 CY_AC_TK_PRIVATE_HEADERS
2032 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2033 TK_LIBRARY=${TK_LIB_SPEC}
2036 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2037 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2038 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2040 AC_SUBST(TK_INCLUDE)
2041 AC_SUBST(TK_LIBRARY)
2043 AC_SUBST(TK_XINCLUDES)
2045 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2047 # Include some libraries that Tcl and Tk want.
2048 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2049 # Yes, the ordering seems wrong here. But it isn't.
2050 # TK_LIBS is the list of libraries that need to be linked
2051 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2052 # were in LIBS then any link tests after this point would
2053 # try to include things like `$(LIBGUI)', which wouldn't work.
2054 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2056 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2057 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2058 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2059 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2060 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2061 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2062 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2064 if test x$gdb_cv_os_cygwin = xyes; then
2065 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2066 WIN32LDAPP="-Wl,--subsystem,console"
2067 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2070 AC_CONFIG_SUBDIRS(gdbtk)
2078 AC_SUBST(GDBTK_CFLAGS)
2079 AC_SUBST(GDBTK_SRC_DIR)
2083 # Unlike the sim directory, whether a simulator is linked is controlled by
2084 # presence of a gdb_sim definition in the target configure.tgt entry.
2085 # This code just checks for a few cases where we'd like to ignore those
2086 # definitions, even when they're present in the '.mt' file. These cases
2087 # are when --disable-sim is specified, or if the simulator directory is
2088 # not part of the source tree.
2091 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2092 [echo "enable_sim = $enable_sim";
2093 echo "enableval = ${enableval}";
2094 case "${enableval}" in
2095 yes) ignore_sim=false ;;
2096 no) ignore_sim=true ;;
2097 *) ignore_sim=false ;;
2101 if test ! -d "${srcdir}/../sim"; then
2107 if test "${ignore_sim}" = "false"; then
2108 if test x"${gdb_sim}" != x ; then
2110 SIM_OBS="remote-sim.o"
2111 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2117 AC_SUBST(ENABLE_CFLAGS)
2118 AC_SUBST(PROFILE_CFLAGS)
2120 AC_SUBST(CONFIG_OBS)
2121 AC_SUBST(CONFIG_DEPS)
2122 AC_SUBST(CONFIG_SRCS)
2123 AC_SUBST(CONFIG_ALL)
2124 AC_SUBST(CONFIG_CLEAN)
2125 AC_SUBST(CONFIG_INSTALL)
2126 AC_SUBST(CONFIG_UNINSTALL)
2128 # List of host floatformats.
2129 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2130 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2131 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2133 # target_subdir is used by the testsuite to find the target libraries.
2135 if test "${host}" != "${target}"; then
2136 target_subdir="${target_alias}/"
2138 AC_SUBST(target_subdir)
2141 if test "${gdb_native}" = "yes"; then
2142 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2143 if test ! -f ${host_makefile_frag}; then
2144 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2146 frags="$frags $host_makefile_frag"
2148 host_makefile_frag=/dev/null
2151 AC_SUBST_FILE(host_makefile_frag)
2155 if test "${gdb_native}" = "yes"; then
2156 # We pick this up from the host configuration file (.mh) because we
2157 # do not have a native configuration Makefile fragment.
2158 nativefile=`sed -n '
2159 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2160 ' ${host_makefile_frag}`
2164 if test x"${gdb_osabi}" != x ; then
2165 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2166 [Define to the default OS ABI for this configuration.])
2169 # Enable multi-ice-gdb-server.
2170 AC_ARG_ENABLE(multi-ice,
2171 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2175 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2177 if test "x$enable_multi_ice" = xyes; then
2178 AC_CONFIG_SUBDIRS(multi-ice)
2181 AC_ARG_ENABLE(gdbserver,
2182 AS_HELP_STRING([--enable-gdbserver],
2183 [automatically build gdbserver (yes/no/auto, default is auto)]),
2184 [case "${enableval}" in
2186 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2187 esac],[enable_gdbserver=auto])
2189 # We only build gdbserver automatically in a native configuration, and
2190 # only if the user did not explicitly disable its build.
2191 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2192 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2193 if test "x$build_gdbserver" = xyes; then
2195 AC_CONFIG_SUBDIRS(gdbserver)
2196 gdbserver_build_enabled=yes
2202 # If the user explicitly request the gdbserver to be built, verify that
2203 # we were in fact able to enable it.
2204 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2205 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2208 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2209 # to an empty version.
2215 if test "${nativefile}" != ""; then
2216 case "${nativefile}" in
2217 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2218 * ) GDB_NM_FILE="${nativefile}"
2220 files="${files} ${GDB_NM_FILE}"
2221 links="${links} nm.h"
2222 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2224 AC_SUBST(GDB_NM_FILE)
2226 AC_LINK_FILES($files, $links)
2228 dnl Check for exe extension set on certain hosts (e.g. Win32)
2231 dnl Detect the character set used by this host.
2232 dnl At the moment, we just assume it's UTF-8.
2233 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2234 [Define to be a string naming the default host character set.])
2236 AC_OUTPUT(Makefile .gdbinit:gdbinit.in doc/Makefile gnulib/Makefile data-directory/Makefile,
2238 case x$CONFIG_HEADERS in
2239 xconfig.h:config.in)