1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 dnl 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
4 dnl Free Software Foundation, Inc.
6 dnl This file is part of GDB.
8 dnl This program is free software; you can redistribute it and/or modify
9 dnl it under the terms of the GNU General Public License as published by
10 dnl the Free Software Foundation; either version 3 of the License, or
11 dnl (at your option) any later version.
13 dnl This program is distributed in the hope that it will be useful,
14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 dnl GNU General Public License for more details.
18 dnl You should have received a copy of the GNU General Public License
19 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
21 dnl Process this file with autoconf to produce a configure script.
25 AC_CONFIG_HEADER(config.h:config.in)
29 AC_USE_SYSTEM_EXTENSIONS
37 # Dependency checking.
39 ZW_PROG_COMPILER_DEPENDENCIES([CC])
41 # Check for the 'make' the user wants to use.
42 AC_CHECK_PROGS(MAKE, make)
44 case "`$MAKE --version 2>&1 | sed 1q`" in
49 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
52 dnl List of object files and targets accumulated by configure.
64 dnl Set up for gettext.
65 ZW_GNU_GETTEXT_SISTER_DIR
67 localedir='${datadir}/locale'
70 if test x"$USE_NLS" = xyes; then
71 CONFIG_ALL="$CONFIG_ALL all-po"
72 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
73 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
74 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
79 # For Makefile dependencies.
81 if test x"$STDINT_H" != x; then
82 GNULIB_STDINT_H=gnulib/$STDINT_H
84 AC_SUBST(GNULIB_STDINT_H)
87 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
90 # GDB does not use automake, but gnulib does. This line lets us
91 # generate its Makefile.in.
92 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
94 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
95 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
98 # GDB's datadir relocation
100 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
101 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
104 AC_ARG_WITH(relocated-sources,
105 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
106 [reloc_srcdir="${withval}"
107 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
108 [Relocated directory for source files. ])
111 AC_CONFIG_SUBDIRS(testsuite)
113 # Check whether to support alternative target configurations
114 AC_ARG_ENABLE(targets,
115 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
116 [case "${enableval}" in
117 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
119 no) enable_targets= ;;
120 *) enable_targets=$enableval ;;
123 # Check whether to enable 64-bit support on 32-bit hosts
124 AC_ARG_ENABLE(64-bit-bfd,
125 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
126 [case "${enableval}" in
129 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
130 esac],[want64=false])dnl
132 # Provide defaults for some variables set by the per-host and per-target
134 gdb_host_obs=posix-hdep.o
136 if test "${target}" = "${host}"; then
142 . $srcdir/configure.host
144 # Accumulate some settings from configure.tgt over all enabled targets
149 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
151 if test "$targ_alias" = "all"; then
154 # Canonicalize the secondary target names.
155 result=`$ac_config_sub $targ_alias 2>/dev/null`
156 if test -n "$result"; then
162 . ${srcdir}/configure.tgt
164 AS_IF([test -z "${gdb_target_obs}"],
165 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
167 # Target-specific object files
168 for i in ${gdb_target_obs}; do
169 case " $TARGET_OBS " in
172 TARGET_OBS="$TARGET_OBS ${i}"
177 # Check whether this target needs 64-bit CORE_ADDR
178 if test x${want64} = xfalse; then
179 . ${srcdir}/../bfd/config.bfd
184 if test x${all_targets} = xtrue; then
186 # We want all 64-bit targets if we either:
187 # - run on a 64-bit host or
188 # - already require 64-bit support for some other target or
189 # - the --enable-64-bit-bfd option was supplied
190 # Otherwise we only support all 32-bit targets.
192 # NOTE: This test must be in sync with the corresponding
195 if test x${want64} = xfalse; then
196 AC_CHECK_SIZEOF(long)
197 if test "x${ac_cv_sizeof_long}" = "x8"; then
201 if test x${want64} = xtrue; then
202 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
204 TARGET_OBS='$(ALL_TARGET_OBS)'
210 # For other settings, only the main target counts.
214 targ=$target; . ${srcdir}/configure.tgt
216 # Fetch the default architecture and default target vector from BFD.
217 targ=$target; . $srcdir/../bfd/config.bfd
219 # We only want the first architecture, so strip off the others if
220 # there is more than one.
221 targ_archs=`echo $targ_archs | sed 's/ .*//'`
223 if test "x$targ_archs" != x; then
224 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
225 [Define to BFD's default architecture. ])
227 if test "x$targ_defvec" != x; then
228 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
229 [Define to BFD's default target vector. ])
232 # The CLI cannot be disabled yet, but may be in the future.
235 AC_ARG_ENABLE(gdbcli,
236 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
241 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
243 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
246 if test x"$enable_gdbcli" = xyes; then
247 if test -d $srcdir/cli; then
248 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
249 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
250 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
251 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
257 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
262 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
265 if test x"$enable_gdbmi" = xyes; then
266 if test -d $srcdir/mi; then
267 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
268 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
269 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
270 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
276 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
281 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
282 esac],enable_tui=auto)
286 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
291 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
293 [if test -d $srcdir/gdbtk; then
298 # We unconditionally disable gdbtk tests on selected platforms.
301 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
306 AC_ARG_WITH(libunwind,
307 AS_HELP_STRING([--with-libunwind], [use libunwind frame unwinding support]),
308 [case "${withval}" in
309 yes) enable_libunwind=yes ;;
310 no) enable_libunwind=no ;;
311 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
313 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
314 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
315 enable_libunwind=yes;
319 if test x"$enable_libunwind" = xyes; then
320 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
321 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
322 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
323 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
324 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
328 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
331 if test "$opt_curses" = "yes"; then
336 AC_ARG_ENABLE(profiling,
337 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
342 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
344 [enable_profiling=no])
346 AC_CHECK_FUNCS(monstartup _mcleanup)
347 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
352 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
353 if test $ac_cv_var__etext = yes; then
354 AC_DEFINE(HAVE__ETEXT, 1,
355 [Define to 1 if your system has the _etext variable. ])
357 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
362 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
363 if test $ac_cv_var_etext = yes; then
364 AC_DEFINE(HAVE_ETEXT, 1,
365 [Define to 1 if your system has the etext variable. ])
367 if test "$enable_profiling" = yes ; then
368 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
369 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
373 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
375 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
376 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
377 ac_cv_cc_supports_pg=no)])
379 if test $ac_cv_cc_supports_pg = no; then
380 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
386 ACX_PKGVERSION([GDB])
387 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
388 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
389 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
391 # --------------------- #
392 # Checks for programs. #
393 # --------------------- #
401 AC_CHECK_TOOL(AR, ar)
402 AC_CHECK_TOOL(DLLTOOL, dlltool)
403 AC_CHECK_TOOL(WINDRES, windres)
405 # Needed for GNU/Hurd.
406 AC_CHECK_TOOL(MIG, mig)
408 # ---------------------- #
409 # Checks for libraries. #
410 # ---------------------- #
412 # We might need to link with -lm; most simulators need it.
413 AC_CHECK_LIB(m, main)
415 # We need to link with -lw to get `wctype' on Solaris before Solaris
416 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
417 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
418 # is known to have this problem). Therefore we avoid libw if we can.
419 AC_CHECK_FUNC(wctype, [],
420 [AC_CHECK_LIB(w, wctype)])
422 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
423 AC_SEARCH_LIBS(gethostbyname, nsl)
425 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
426 AC_SEARCH_LIBS(socketpair, socket)
428 # Link in zlib if we can. This allows us to read compressed debug sections.
431 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
432 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
436 # GDB may fork/exec the iconv program to get the list of supported character
437 # sets. Allow the user to specify where to find it.
438 # There are several factors affecting the choice of option name:
439 # - There is already --with-libiconv-prefix but we can't use it, it specifies
440 # the build-time location of libiconv files.
441 # - The program we need to find is iconv, which comes with glibc. The user
442 # doesn't necessarily have libiconv installed. Therefore naming this
443 # --with-libiconv-foo feels wrong.
444 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
445 # defined to work on directories not files (though it really doesn't know
447 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
448 # with --with-libiconv-prefix.
449 # Putting these together is why the option name is --with-iconv-bin.
451 AC_ARG_WITH(iconv-bin,
452 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
453 [iconv_bin="${withval}"
454 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
455 [Path of directory of iconv program.])
456 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
459 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
460 # There is a very specific comment in /usr/include/curses.h explaining that
461 # termcap routines built into libcurses must not be used.
463 # The symptoms we observed so far is GDB unexpectedly changing
464 # the terminal settings when tgetent is called - this is particularly
465 # visible as the output is missing carriage returns, and so rapidly
466 # becomes very hard to read.
468 # The readline configure script has already decided that libtermcap
469 # was enough for its purposes, and so decided to build readline using
470 # libtermcap. Since the TUI mode requires curses, building GDB with
471 # TUI enabled results in both libraries to be used at the same time,
472 # which is not allowed. This basically means that GDB with TUI is
473 # broken on alpha-osf.
477 if test x"$enable_tui" = xyes; then
478 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
480 if test x"$enable_tui" = xauto; then
486 # For the TUI, we need enhanced curses functionality.
487 if test x"$enable_tui" != xno; then
492 if test x"$prefer_curses" = xyes; then
493 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
494 # curses library because the latter might not provide all the
495 # functionality we need. However, this leads to problems on systems
496 # where the linker searches /usr/local/lib, but the compiler doesn't
497 # search /usr/local/include, if ncurses is installed in /usr/local. A
498 # default installation of ncurses on alpha*-dec-osf* will lead to such
500 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
502 if test "$ac_cv_search_waddstr" != no; then
507 # Check whether we should enable the TUI, but only do so if we really
509 if test x"$enable_tui" != xno; then
510 if test -d $srcdir/tui; then
511 if test "$curses_found" != no; then
512 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
513 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
514 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
515 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
516 CONFIG_ALL="${CONFIG_ALL} all-tui"
517 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
518 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
519 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
521 if test x"$enable_tui" = xyes; then
522 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
524 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
530 # Since GDB uses Readline, we need termcap functionality. In many
531 # cases this will be provided by the curses library, but some systems
532 # have a seperate termcap library, or no curses library at all.
536 if test -d $srcdir/libtermcap; then
537 LIBS="../libtermcap/libtermcap.a $LIBS"
538 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
541 ac_cv_search_tgetent="none required"
544 ac_cv_search_tgetent="none required"
545 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
549 # These are the libraries checked by Readline.
550 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
552 if test "$ac_cv_search_tgetent" = no; then
553 AC_MSG_ERROR([no termcap library found])
556 AC_ARG_WITH([system-readline],
557 [AS_HELP_STRING([--with-system-readline],
558 [use installed readline library])])
560 if test "$with_system_readline" = yes; then
564 READLINE_TEXI_INCFLAG=
566 READLINE='$(READLINE_DIR)/libreadline.a'
567 READLINE_DEPS='$(READLINE)'
568 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
569 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
572 AC_SUBST(READLINE_DEPS)
573 AC_SUBST(READLINE_CFLAGS)
574 AC_SUBST(READLINE_TEXI_INCFLAG)
577 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
578 [], [with_expat=auto])
579 AC_MSG_CHECKING([whether to use expat])
580 AC_MSG_RESULT([$with_expat])
582 if test "${with_expat}" = no; then
583 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
586 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
587 [XML_Parser p = XML_ParserCreate (0);])
588 if test "$HAVE_LIBEXPAT" != yes; then
589 if test "$with_expat" = yes; then
590 AC_MSG_ERROR([expat is missing or unusable])
592 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
596 LIBS="$LIBS $LIBEXPAT"
597 AC_CHECK_FUNCS(XML_StopParser)
602 dnl Utility to simplify finding libpython.
604 dnl $2 = the shell variable to assign the result to
605 dnl If libpython is found we store $version here.
606 dnl $3 = additional flags to add to CPPFLAGS
607 dnl $4 = additional flags to add to LIBS
609 AC_DEFUN([AC_TRY_LIBPYTHON],
612 define([have_libpython_var],$2)
615 AC_MSG_CHECKING([for ${version}])
616 save_CPPFLAGS=$CPPFLAGS
618 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
619 LIBS="$LIBS $new_LIBS"
620 found_usable_python=no
621 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
622 [[Py_Initialize ();]]),
623 [have_libpython_var=${version}
624 found_usable_python=yes
625 PYTHON_CPPFLAGS=$new_CPPFLAGS
626 PYTHON_LIBS=$new_LIBS])
627 CPPFLAGS=$save_CPPFLAGS
629 AC_MSG_RESULT([${found_usable_python}])
632 dnl There are several different values for --with-python:
634 dnl no - Don't include python support.
635 dnl yes - Include python support, error if it's missing.
636 dnl If we find python in $PATH, use it to fetch configure options,
637 dnl otherwise assume the compiler can find it with no help from us.
638 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
639 dnl auto - Same as "yes", but if python is missing from the system,
640 dnl fall back to "no".
641 dnl /path/to/python/exec-prefix -
642 dnl Use the python located in this directory.
643 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
644 dnl the compilation parameters. Otherwise use
645 dnl -I/path/to/python/exec-prefix/include,
646 dnl -L/path/to/python/exec-prefix/lib.
647 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
648 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
649 dnl but is deprecated.
650 dnl /path/to/python/executable -
651 dnl Run python-config.py with this version of python to fetch the
652 dnl compilation parameters.
653 dnl NOTE: This needn't be the real python executable.
654 dnl In a cross-compilation scenario (build != host), this could be
655 dnl a shell script that provides what python-config.py provides for
656 dnl --ldflags, --includes, --exec-prefix.
657 dnl python-executable -
658 dnl Find python-executable in $PATH, and then handle the same as
659 dnl /path/to/python/executable.
661 dnl If a python program is specified, it is used to run python-config.py and
662 dnl is passed --ldflags, --includes, --exec-prefix.
665 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
666 [], [with_python=auto])
667 AC_MSG_CHECKING([whether to use python])
668 AC_MSG_RESULT([$with_python])
670 if test "${with_python}" = no; then
671 AC_MSG_WARN([python support disabled; some features may be unavailable.])
674 case "${with_python}" in
676 if test -d ${with_python}; then
677 # Assume the python binary is ${with_python}/bin/python.
678 python_prog="${with_python}/bin/python"
680 # If python does not exit ${with_python}/bin, then try in
681 # ${with_python}. On Windows/MinGW, this is where the Python
683 if test ! -x "${python_prog}"; then
684 python_prog="${with_python}/python"
687 if test ! -x "${python_prog}"; then
688 # Fall back to gdb 7.0/7.1 behaviour.
690 python_prefix=${with_python}
692 elif test -x "${with_python}"; then
693 # While we can't run python compiled for $host (unless host == build),
694 # the user could write a script that provides the needed information,
695 # so we support that.
696 python_prog=${with_python}
699 AC_ERROR(invalid value for --with-python)
703 # Disallow --with-python=foo/bar.
704 AC_ERROR(invalid value for --with-python)
707 # The user has either specified auto, yes, or the name of the python
708 # program assumed to be in $PATH.
710 case "${with_python}" in
712 if test ${build} = ${host}; then
713 AC_PATH_PROG(python_prog_path, python, missing)
714 if test "${python_prog_path}" = missing; then
717 python_prog=${python_prog_path}
720 # Not much we can do except assume the cross-compiler will find the
726 # While we can't run python compiled for $host (unless host == build),
727 # the user could write a script that provides the needed information,
728 # so we support that.
729 python_prog="${with_python}"
730 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
731 if test "${python_prog_path}" = missing; then
732 AC_ERROR(unable to find python program ${python_prog})
738 if test "${python_prog}" != missing; then
739 # We have a python program to use, but it may be too old.
740 # Don't flag an error for --with-python=auto (the default).
741 have_python_config=yes
742 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
743 if test $? != 0; then
744 have_python_config=failed
745 if test "${with_python}" != auto; then
746 AC_ERROR(failure running python-config --includes)
749 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
750 if test $? != 0; then
751 have_python_config=failed
752 if test "${with_python}" != auto; then
753 AC_ERROR(failure running python-config --ldflags)
756 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
757 if test $? != 0; then
758 have_python_config=failed
759 if test "${with_python}" != auto; then
760 AC_ERROR(failure running python-config --exec-prefix)
764 # We do not have a python executable we can use to determine where
765 # to find the Python headers and libs. We cannot guess the include
766 # path from the python_prefix either, because that include path
767 # depends on the Python version. So, there is nothing much we can
768 # do except assume that the compiler will be able to find those files.
771 have_python_config=no
774 # If we have python-config, only try the configuration it provides.
775 # Otherwise fallback on the old way of trying different versions of
779 if test "${have_python_config}" = yes; then
780 # Determine the Python version by extracting "-lpython<version>"
781 # part of the python_libs. <version> is usually X.Y with X and Y
782 # being decimal numbers, but can also be XY (seen on Windows).
784 # The extraction is performed using sed with a regular expression.
785 # Initially, the regexp used was using the '?' quantifier to make
786 # the dot in the version number optional. Unfortunately, this
787 # does not work with non-GNU versions of sed because, because of
788 # what looks like a limitation (the '?' quantifier does not work
789 # with back-references). We work around this limitation by using
790 # the '*' quantifier instead. It means that, in theory, we might
791 # match unexpected version strings such as "-lpython2..7", but
792 # this seems unlikely in practice. And even if that happens,
793 # an error will be triggered later on, when checking that version
795 python_version=`echo " ${python_libs} " \
796 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
797 case "${python_version}" in
799 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
800 ${python_includes}, ${python_libs})
803 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
806 elif test "${have_python_config}" != failed; then
807 if test "${have_libpython}" = no; then
808 AC_TRY_LIBPYTHON(python2.7, have_libpython,
809 ${python_includes}, "${python_libs} -lpython2.7")
811 if test "${have_libpython}" = no; then
812 AC_TRY_LIBPYTHON(python2.6, have_libpython,
813 ${python_includes}, "${python_libs} -lpython2.6")
815 if test ${have_libpython} = no; then
816 AC_TRY_LIBPYTHON(python2.5, have_libpython,
817 ${python_includes}, "${python_libs} -lpython2.5")
819 if test ${have_libpython} = no; then
820 AC_TRY_LIBPYTHON(python2.4, have_libpython,
821 ${python_includes}, "${python_libs} -lpython2.4")
824 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
825 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
826 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
827 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
828 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
829 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
830 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
831 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
834 if test "${have_libpython}" = no; then
835 case "${with_python}" in
837 AC_MSG_ERROR([python is missing or unusable])
840 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
843 AC_MSG_ERROR([no usable python found at ${with_python}])
847 if test -n "${python_prefix}"; then
848 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
849 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
850 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
855 if test "${have_libpython}" != no; then
856 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
857 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
858 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
859 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
860 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
861 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
863 # Flags needed to compile Python code (taken from python-config --cflags).
864 # We cannot call python-config directly because it will output whatever was
865 # used when compiling the Python interpreter itself, including flags which
866 # would make the python-related objects be compiled differently from the
867 # rest of GDB (e.g., -O2 and -fPIC).
868 if test "${GCC}" = yes; then
869 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
872 if test "x${tentative_python_cflags}" != x; then
873 AC_MSG_CHECKING(compiler flags for python code)
874 for flag in ${tentative_python_cflags}; do
875 # Check that the compiler accepts it
876 saved_CFLAGS="$CFLAGS"
877 CFLAGS="$CFLAGS $flag"
878 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
879 CFLAGS="$saved_CFLAGS"
881 AC_MSG_RESULT(${PYTHON_CFLAGS})
884 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
886 # #define siginfo __siginfo
888 # The problem is that including Python causes some XOPEN macros to be
889 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
890 # to false. So, we work around this issue by defining siginfo ourself
891 # though the command-line.
893 irix*) if test "${GCC}" = yes; then
894 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
899 # Even if Python support is not compiled in, we need to have these files
901 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
902 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
903 python/py-prettyprint.c python/py-auto-load.c"
905 AC_SUBST(PYTHON_CFLAGS)
906 AC_SUBST(PYTHON_CPPFLAGS)
907 AC_SUBST(PYTHON_LIBS)
909 # ------------------------- #
910 # Checks for header files. #
911 # ------------------------- #
916 # elf_hp.h is for HP/UX 64-bit shared library support.
917 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
918 # unconditionally, so what's the point in checking these?
919 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
920 thread_db.h gnu/libc-version.h signal.h stddef.h \
921 stdlib.h string.h memory.h strings.h sys/fault.h \
922 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
923 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
924 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
925 sys/types.h sys/wait.h wait.h termios.h termio.h \
926 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
927 AC_CHECK_HEADERS(link.h, [], [],
928 [#if HAVE_SYS_TYPES_H
929 # include <sys/types.h>
935 AC_CHECK_HEADERS(sys/proc.h, [], [],
936 [#if HAVE_SYS_PARAM_H
937 # include <sys/param.h>
940 AC_CHECK_HEADERS(sys/user.h, [], [],
941 [#if HAVE_SYS_PARAM_H
942 # include <sys/param.h>
946 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
947 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
948 # think that we don't have <curses.h> if we're using GCC.
951 if test "$GCC" = yes; then
952 AC_DEFINE(_MSE_INT_H, 1,
953 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
954 Solaris 2.[789] when using GCC. ])
957 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
958 AC_CHECK_HEADERS(term.h, [], [],
964 # ------------------------- #
965 # Checks for declarations. #
966 # ------------------------- #
968 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
969 snprintf, vsnprintf])
972 # ----------------------- #
973 # Checks for structures. #
974 # ----------------------- #
976 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
978 # ------------------ #
979 # Checks for types. #
980 # ------------------ #
983 AC_CHECK_TYPES(socklen_t, [], [],
984 [#include <sys/types.h>
985 #include <sys/socket.h>
988 # ------------------------------------- #
989 # Checks for compiler characteristics. #
990 # ------------------------------------- #
996 # ------------------------------ #
997 # Checks for library functions. #
998 # ------------------------------ #
1003 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
1004 getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
1005 sigaction sigprocmask sigsetmask socketpair syscall \
1006 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1007 setrlimit getrlimit posix_madvise waitpid])
1010 # Check the return and argument types of ptrace. No canned test for
1011 # this, so roll our own.
1012 gdb_ptrace_headers='
1013 #if HAVE_SYS_TYPES_H
1014 # include <sys/types.h>
1016 #if HAVE_SYS_PTRACE_H
1017 # include <sys/ptrace.h>
1020 # include <unistd.h>
1023 # There is no point in checking if we don't have a prototype.
1024 AC_CHECK_DECLS(ptrace, [], [
1025 : ${gdb_cv_func_ptrace_ret='int'}
1026 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1027 ], $gdb_ptrace_headers)
1028 # Check return type. Varargs (used on GNU/Linux) conflict with the
1029 # empty argument list, so check for that explicitly.
1030 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1031 AC_TRY_COMPILE($gdb_ptrace_headers,
1032 [extern long ptrace (enum __ptrace_request, ...);],
1033 gdb_cv_func_ptrace_ret='long',
1034 AC_TRY_COMPILE($gdb_ptrace_headers,
1035 [extern int ptrace ();],
1036 gdb_cv_func_ptrace_ret='int',
1037 gdb_cv_func_ptrace_ret='long')))
1038 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1039 [Define as the return type of ptrace.])
1040 # Check argument types.
1041 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1042 AC_TRY_COMPILE($gdb_ptrace_headers,
1043 [extern long ptrace (enum __ptrace_request, ...);],
1044 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1045 for gdb_arg1 in 'int' 'long'; do
1046 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1047 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1048 for gdb_arg4 in 'int' 'long'; do
1049 AC_TRY_COMPILE($gdb_ptrace_headers, [
1050 extern $gdb_cv_func_ptrace_ret
1051 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1052 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1054 for gdb_arg5 in 'int *' 'int' 'long'; do
1055 AC_TRY_COMPILE($gdb_ptrace_headers, [
1056 extern $gdb_cv_func_ptrace_ret
1057 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1059 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1066 # Provide a safe default value.
1067 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1069 ac_save_IFS=$IFS; IFS=','
1070 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1073 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1074 [Define to the type of arg 3 for ptrace.])
1075 if test -n "$[5]"; then
1076 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1077 [Define to the type of arg 5 for ptrace.])
1080 dnl AC_FUNC_SETPGRP does not work when cross compiling
1081 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1082 if test "$cross_compiling" = no; then
1085 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1089 if (setpgrp(1,1) == -1)
1093 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1094 if test $ac_cv_func_setpgrp_void = yes; then
1095 AC_DEFINE(SETPGRP_VOID, 1)
1099 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1100 # since sigsetjmp might only be defined as a macro.
1101 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1104 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1105 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1106 if test $gdb_cv_func_sigsetjmp = yes; then
1107 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1110 # Assume we'll default to using the included libiberty regex.
1111 gdb_use_included_regex=yes
1113 # However, if the system regex is GNU regex, then default to *not*
1114 # using the included regex.
1117 [gdb_cv_have_gnu_regex],
1119 [#include <gnu-versions.h>],
1120 [#define REGEX_INTERFACE_VERSION 1
1121 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1122 # error "Version mismatch"
1124 gdb_cv_have_gnu_regex=yes,
1125 gdb_cv_have_gnu_regex=no)])
1126 if test $gdb_cv_have_gnu_regex = yes; then
1127 gdb_use_included_regex=no
1130 AC_ARG_WITH(included-regex,
1131 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1132 gdb_with_regex=$withval,
1133 gdb_with_regex=$gdb_use_included_regex)
1134 if test "$gdb_with_regex" = yes; then
1135 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1136 [Define to 1 if the regex included in libiberty should be used.])
1139 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1140 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1141 [#include <sys/param.h>
1142 #include <sys/proc.h>
1145 # See if <sys/lwp.h> defines `struct lwp`.
1146 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1147 [AC_TRY_COMPILE([#include <sys/param.h>
1148 #include <sys/lwp.h>], [struct lwp l;],
1149 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1150 if test $gdb_cv_struct_lwp = yes; then
1151 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1152 [Define to 1 if your system has struct lwp.])
1155 # See if <machine/reg.h> degines `struct reg'.
1156 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1157 [AC_TRY_COMPILE([#include <sys/types.h>
1158 #include <machine/reg.h>], [struct reg r;],
1159 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1160 if test $gdb_cv_struct_reg = yes; then
1161 AC_DEFINE(HAVE_STRUCT_REG, 1,
1162 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1165 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1166 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1167 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1168 [#include <machine/reg.h>])
1170 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1171 AC_MSG_CHECKING(for PTRACE_GETREGS)
1172 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1173 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1175 [gdb_cv_have_ptrace_getregs=yes],
1176 [gdb_cv_have_ptrace_getregs=no])])
1177 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1178 if test $gdb_cv_have_ptrace_getregs = yes; then
1179 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1180 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1183 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1184 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1185 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1186 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1187 [PTRACE_GETFPXREGS;],
1188 [gdb_cv_have_ptrace_getfpxregs=yes],
1189 [gdb_cv_have_ptrace_getfpxregs=no])])
1190 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1191 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1192 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1193 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1196 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1197 AC_MSG_CHECKING(for PT_GETDBREGS)
1198 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1199 [AC_TRY_COMPILE([#include <sys/types.h>
1200 #include <sys/ptrace.h>],
1202 [gdb_cv_have_pt_getdbregs=yes],
1203 [gdb_cv_have_pt_getdbregs=no])])
1204 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1205 if test $gdb_cv_have_pt_getdbregs = yes; then
1206 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1207 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1210 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1211 AC_MSG_CHECKING(for PT_GETXMMREGS)
1212 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1213 [AC_TRY_COMPILE([#include <sys/types.h>
1214 #include <sys/ptrace.h>],
1216 [gdb_cv_have_pt_getxmmregs=yes],
1217 [gdb_cv_have_pt_getxmmregs=no])])
1218 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1219 if test $gdb_cv_have_pt_getxmmregs = yes; then
1220 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1221 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1224 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1226 if test "${target}" = "${host}"; then
1228 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1229 AC_DEFINE(NEW_PROC_API, 1,
1230 [Define if you want to use new multi-fd /proc interface
1231 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1233 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1234 AC_DEFINE(NEW_PROC_API, 1,
1235 [Define if you want to use new multi-fd /proc interface
1236 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1239 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1240 AC_DEFINE([_KMEMUSER], 1,
1241 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1242 around a <sys/proc.h> problem on IRIX 5.])
1247 if test "$ac_cv_header_sys_procfs_h" = yes; then
1248 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1249 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1250 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1251 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1252 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1253 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1254 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1255 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1256 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1257 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1258 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1259 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1260 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1261 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1264 dnl Check for broken prfpregset_t type
1266 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1267 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1268 dnl instead of the struct itself). We detect this here, and work
1269 dnl around it in gdb_proc_service.h.
1271 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1272 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1273 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1274 [AC_TRY_RUN([#include <sys/procfs.h>
1277 if (sizeof (prfpregset_t) == sizeof (void *))
1281 gdb_cv_prfpregset_t_broken=no,
1282 gdb_cv_prfpregset_t_broken=yes,
1283 gdb_cv_prfpregset_t_broken=yes)])
1284 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1285 if test $gdb_cv_prfpregset_t_broken = yes; then
1286 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1287 [Define if the prfpregset_t type is broken.])
1291 dnl Check for PIOCSET ioctl entry
1293 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1294 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1295 [AC_TRY_COMPILE([#include <unistd.h>
1296 #include <sys/types.h>
1297 #include <sys/procfs.h>
1300 dummy = ioctl(0, PIOCSET, &dummy);
1302 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1303 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1304 if test $gdb_cv_have_procfs_piocset = yes; then
1305 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1306 [Define if ioctl argument PIOCSET is available.])
1310 dnl For native ports (host == target), check to see what kind of
1311 dnl legacy link.h support is needed. (See solib-legacy.c.)
1312 if test ${host} = ${target} ; then
1313 dnl Check for struct link_map with l_ members which are indicative
1314 dnl of SVR4-like shared libraries
1316 AC_MSG_CHECKING(for member l_addr in struct link_map)
1317 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1318 [AC_TRY_COMPILE([#include <link.h>],
1319 [struct link_map lm; (void) lm.l_addr;],
1320 gdb_cv_have_struct_link_map_with_l_members=yes,
1321 gdb_cv_have_struct_link_map_with_l_members=no)])
1322 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1323 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1324 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1325 [Define if <link.h> exists and defines struct link_map which has
1326 members with an ``l_'' prefix. (For Solaris, SVR4, and
1327 SVR4-like systems.)])
1330 dnl Check for struct link_map with lm_ members which are indicative
1331 dnl of SunOS-like shared libraries
1333 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1334 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1335 [AC_TRY_COMPILE([#include <sys/types.h>
1337 [struct link_map lm; (void) lm.lm_addr;],
1338 gdb_cv_have_struct_link_map_with_lm_members=yes,
1339 gdb_cv_have_struct_link_map_with_lm_members=no)])
1340 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1341 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1342 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1343 [Define if <link.h> exists and defines struct link_map which has
1344 members with an ``lm_'' prefix. (For SunOS.)])
1347 dnl Check for struct so_map with som_ members which are found on
1348 dnl some *BSD systems.
1350 AC_MSG_CHECKING(for member som_addr in struct so_map)
1351 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1352 [AC_TRY_COMPILE([#include <sys/types.h>
1357 [struct so_map lm; (void) lm.som_addr;],
1358 gdb_cv_have_struct_so_map_with_som_members=yes,
1359 gdb_cv_have_struct_so_map_with_som_members=no)])
1360 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1361 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1362 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1363 [Define if <link.h> exists and defines a struct so_map which has
1364 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1367 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1368 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1370 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1371 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1372 [AC_TRY_COMPILE([#define _SYSCALL32
1373 #include <sys/link.h>], [struct link_map32 l;],
1374 gdb_cv_have_struct_link_map32=yes,
1375 gdb_cv_have_struct_link_map32=no)])
1376 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1377 if test $gdb_cv_have_struct_link_map32 = yes; then
1378 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1379 [Define if <sys/link.h> has struct link_map32])
1380 AC_DEFINE(_SYSCALL32, 1,
1381 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1385 # Check if the compiler supports the `long long' type.
1387 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1388 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1389 [[extern long long foo;]],
1390 [[switch (foo & 2) { case 0: return 1; }]])],
1391 gdb_cv_c_long_long=yes,
1392 gdb_cv_c_long_long=no)])
1393 if test $gdb_cv_c_long_long = yes; then
1394 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1395 [Define to 1 if the compiler supports long long.])
1398 # Check if the compiler and runtime support printing long longs.
1400 AC_CACHE_CHECK([for long long support in printf],
1401 gdb_cv_printf_has_long_long,
1402 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1405 l = (l << 16) + 0x0123;
1406 l = (l << 16) + 0x4567;
1407 l = (l << 16) + 0x89ab;
1408 l = (l << 16) + 0xcdef;
1409 sprintf (buf, "0x%016llx", l);
1410 return (strcmp ("0x0123456789abcdef", buf));]])],
1411 gdb_cv_printf_has_long_long=yes,
1412 gdb_cv_printf_has_long_long=no,
1413 gdb_cv_printf_has_long_long=no)])
1414 if test $gdb_cv_printf_has_long_long = yes; then
1415 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1416 [Define to 1 if the "%ll" format works to print long longs.])
1419 # Check if the compiler and runtime support printing decfloats.
1421 AC_CACHE_CHECK([for decfloat support in printf],
1422 gdb_cv_printf_has_decfloat,
1423 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1425 _Decimal32 d32 = 1.2345df;
1426 _Decimal64 d64 = 1.2345dd;
1427 _Decimal128 d128 = 1.2345dl;
1428 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1429 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1430 gdb_cv_printf_has_decfloat=yes,
1431 gdb_cv_printf_has_decfloat=no,
1432 gdb_cv_printf_has_decfloat=no)])
1433 if test $gdb_cv_printf_has_decfloat = yes; then
1434 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1435 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1438 # Check if the compiler supports the `long double' type. We can't use
1439 # AC_C_LONG_DOUBLE because that one does additional checks on the
1440 # constants defined in <float.h> that fail on some systems,
1441 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1443 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1444 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1445 gdb_cv_c_long_double=yes,
1446 gdb_cv_c_long_double=no)])
1447 if test $gdb_cv_c_long_double = yes; then
1448 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1449 [Define to 1 if the compiler supports long double.])
1452 # Check if the compiler and runtime support printing long doubles.
1454 AC_CACHE_CHECK([for long double support in printf],
1455 gdb_cv_printf_has_long_double,
1456 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1458 long double f = 3.141592653;
1459 sprintf (buf, "%Lg", f);
1460 return (strncmp ("3.14159", buf, 7));]])],
1461 gdb_cv_printf_has_long_double=yes,
1462 gdb_cv_printf_has_long_double=no,
1463 gdb_cv_printf_has_long_double=no)])
1464 if test $gdb_cv_printf_has_long_double = yes; then
1465 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1466 [Define to 1 if the "%Lg" format works to print long doubles.])
1469 # Check if the compiler and runtime support scanning long doubles.
1471 AC_CACHE_CHECK([for long double support in scanf],
1472 gdb_cv_scanf_has_long_double,
1473 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1474 [[#include <stdio.h>]],
1475 [[char *buf = "3.141592653";
1477 sscanf (buf, "%Lg", &f);
1478 return !(f > 3.14159 && f < 3.14160);]])],
1479 gdb_cv_scanf_has_long_double=yes,
1480 gdb_cv_scanf_has_long_double=no,
1481 gdb_cv_scanf_has_long_double=no)])
1482 if test $gdb_cv_scanf_has_long_double = yes; then
1483 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1484 [Define to 1 if the "%Lg" format works to scan long doubles.])
1489 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1490 SAVE_LDFLAGS=$LDFLAGS
1493 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1494 *) gdb_cv_bigtoc=-bbigtoc ;;
1497 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1498 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1499 LDFLAGS="${SAVE_LDFLAGS}"
1501 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1505 AC_MSG_CHECKING(for the dynamic export flag)
1507 if test "${gdb_native}" = yes; then
1508 # The dynamically loaded libthread_db needs access to symbols in the gdb
1509 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1510 # may not be supported there.
1511 old_LDFLAGS="$LDFLAGS"
1512 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1513 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1514 LDFLAGS="$LDFLAGS $RDYNAMIC"
1515 if test "${have_libpython}" = no; then
1516 AC_TRY_LINK([], [], [dynamic_list=true])
1518 # Workaround http://bugs.python.org/issue4434 where static
1519 # libpythonX.Y.a would get its symbols required for
1520 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1521 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1522 old_CFLAGS="$CFLAGS"
1523 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1526 [#include "]${have_libpython}[/Python.h"],
1529 err = PyRun_SimpleString ("import itertools\n");
1531 return err == 0 ? 0 : 1;]),
1532 [dynamic_list=true], [], [true])
1533 CFLAGS="$old_CFLAGS"
1535 LDFLAGS="$old_LDFLAGS"
1537 if $dynamic_list; then
1538 found="-Wl,--dynamic-list"
1539 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1542 RDYNAMIC="-rdynamic"
1545 AC_MSG_RESULT($found)
1547 dnl For certain native configurations, we need to check whether thread
1548 dnl support can be built in or not.
1550 dnl Note that we only want this if we are both native (host == target),
1551 dnl and not doing a canadian cross build (build == host).
1553 if test ${build} = ${host} -a ${host} = ${target} ; then
1556 # See if thread_db library is around for Solaris thread debugging.
1557 # Note that we must explicitly test for version 1 of the library
1558 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1560 AC_MSG_CHECKING(for Solaris thread debugging library)
1561 if test -f /usr/lib/libthread_db.so.1 ; then
1563 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1564 [Define if using Solaris thread debugging.])
1565 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1566 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1567 AC_CHECK_LIB(dl, dlopen)
1568 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1569 # Sun randomly tweaked the prototypes in <proc_service.h>
1571 AC_MSG_CHECKING(if <proc_service.h> is old)
1572 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1574 #include <proc_service.h>
1576 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1577 ],, gdb_cv_proc_service_is_old=no,
1578 gdb_cv_proc_service_is_old=yes)
1580 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1581 if test $gdb_cv_proc_service_is_old = yes; then
1582 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1583 [Define if <proc_service.h> on solaris uses int instead of
1584 size_t, and assorted other type changes.])
1591 AC_MSG_CHECKING(for AiX thread debugging library)
1592 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1593 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1594 [#ifndef PTHDB_VERSION_3
1597 gdb_cv_have_aix_thread_debug=yes,
1598 gdb_cv_have_aix_thread_debug=no)])
1599 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1600 if test $gdb_cv_have_aix_thread_debug = yes; then
1601 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1602 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1603 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1605 # Older versions of AIX do not provide the declaration for
1606 # the getthrds function (it appears that it was introduced
1608 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1612 AC_SUBST(CONFIG_LDFLAGS)
1615 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1616 dnl other error codes.
1617 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1618 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1619 gdb_cv_thread_db_h_has_td_notalloc,
1621 [#include <thread_db.h>],
1622 [int i = TD_NOTALLOC;],
1623 gdb_cv_thread_db_h_has_td_notalloc=yes,
1624 gdb_cv_thread_db_h_has_td_notalloc=no
1627 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1628 gdb_cv_thread_db_h_has_td_version,
1630 [#include <thread_db.h>],
1631 [int i = TD_VERSION;],
1632 gdb_cv_thread_db_h_has_td_version=yes,
1633 gdb_cv_thread_db_h_has_td_version=no
1636 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1637 gdb_cv_thread_db_h_has_td_notls,
1639 [#include <thread_db.h>],
1640 [int i = TD_NOTLS;],
1641 gdb_cv_thread_db_h_has_td_notls=yes,
1642 gdb_cv_thread_db_h_has_td_notls=no
1646 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1647 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1648 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1650 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1651 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1652 [Define if <thread_db.h> has the TD_VERSION error code.])
1654 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1655 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1656 [Define if <thread_db.h> has the TD_NOTLS error code.])
1659 dnl See if we have a sys/syscall header file that has __NR_tkill.
1660 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1661 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1662 gdb_cv_sys_syscall_h_has_tkill,
1664 [#include <sys/syscall.h>],
1665 [int i = __NR_tkill;],
1666 gdb_cv_sys_syscall_h_has_tkill=yes,
1667 gdb_cv_sys_syscall_h_has_tkill=no
1671 dnl See if we can issue tkill syscall.
1672 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1673 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1676 dnl Check if we can disable the virtual address space randomization.
1677 dnl The functionality of setarch -R.
1678 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1679 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1680 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1681 # define ADDR_NO_RANDOMIZE 0x0040000
1683 /* Test the flag could be set and stays set. */
1684 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1685 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1687 AC_RUN_IFELSE([PERSONALITY_TEST],
1688 [have_personality=true],
1689 [have_personality=false],
1690 [AC_LINK_IFELSE([PERSONALITY_TEST],
1691 [have_personality=true],
1692 [have_personality=false])])
1693 if $have_personality
1695 AC_DEFINE([HAVE_PERSONALITY], 1,
1696 [Define if you support the personality syscall.])
1699 dnl Handle optional features that can be enabled.
1701 target_sysroot_reloc=0
1702 AC_ARG_WITH(sysroot,
1703 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1705 case ${with_sysroot} in
1706 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1707 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1710 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1712 if test "x$prefix" = xNONE; then
1713 test_prefix=/usr/local
1717 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1718 test_exec_prefix=$test_prefix
1720 test_exec_prefix=$exec_prefix
1722 case ${TARGET_SYSTEM_ROOT} in
1723 "${test_prefix}"|"${test_prefix}/"*|\
1724 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1725 '${prefix}'|'${prefix}/'*|\
1726 '${exec_prefix}'|'${exec_prefix}/'*)
1727 target_sysroot_reloc=1
1732 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1734 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1735 AC_SUBST(TARGET_SYSTEM_ROOT)
1736 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1738 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1739 [automatically load a system-wide gdbinit file],
1742 AC_ARG_ENABLE(werror,
1743 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1744 [case "${enableval}" in
1745 yes | y) ERROR_ON_WARNING="yes" ;;
1746 no | n) ERROR_ON_WARNING="no" ;;
1747 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1750 # Enable -Werror by default when using gcc
1751 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1752 ERROR_ON_WARNING=yes
1756 if test "${ERROR_ON_WARNING}" = yes ; then
1757 WERROR_CFLAGS="-Werror"
1760 # The entries after -Wno-pointer-sign are disabled warnings which may
1761 # be enabled in the future, which can not currently be used to build
1763 # NOTE: If you change this list, remember to update
1764 # gdb/doc/gdbint.texinfo.
1765 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1766 -Wformat-nonliteral -Wno-pointer-sign \
1767 -Wno-unused -Wunused-value -Wunused-function \
1768 -Wno-switch -Wno-char-subscripts"
1770 # Enable -Wno-format by default when using gcc on mingw since many
1771 # GCC versions complain about %I64.
1773 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1776 AC_ARG_ENABLE(build-warnings,
1777 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1778 [case "${enableval}" in
1780 no) build_warnings="-w";;
1781 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1782 build_warnings="${build_warnings} ${t}";;
1783 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1784 build_warnings="${t} ${build_warnings}";;
1785 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1787 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1788 echo "Setting compiler warning flags = $build_warnings" 6>&1
1790 AC_ARG_ENABLE(gdb-build-warnings,
1791 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1792 [case "${enableval}" in
1794 no) build_warnings="-w";;
1795 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1796 build_warnings="${build_warnings} ${t}";;
1797 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1798 build_warnings="${t} ${build_warnings}";;
1799 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1801 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1802 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1805 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1807 AC_MSG_CHECKING(compiler warning flags)
1808 # Separate out the -Werror flag as some files just cannot be
1809 # compiled with it enabled.
1810 for w in ${build_warnings}; do
1812 -Werr*) WERROR_CFLAGS=-Werror ;;
1813 *) # Check that GCC accepts it
1814 saved_CFLAGS="$CFLAGS"
1816 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1817 CFLAGS="$saved_CFLAGS"
1820 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1822 AC_SUBST(WARN_CFLAGS)
1823 AC_SUBST(WERROR_CFLAGS)
1825 # In the Cygwin environment, we need some additional flags.
1826 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1827 [AC_EGREP_CPP(lose, [
1828 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1830 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1833 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1834 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1836 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1837 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1838 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1840 AC_SUBST(SER_HARDWIRE)
1842 # libreadline needs libuser32.a in a cygwin environment
1844 if test x$gdb_cv_os_cygwin = xyes; then
1845 WIN32LIBS="-luser32"
1847 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1852 # The ser-tcp.c module requires sockets.
1855 AC_DEFINE(USE_WIN32API, 1,
1856 [Define if we should use the Windows API, instead of the
1857 POSIX API. On Windows, we use the Windows API when
1858 building for MinGW, but the POSIX API when building
1860 WIN32LIBS="$WIN32LIBS -lws2_32"
1865 # Add ELF support to GDB, but only if BFD includes ELF support.
1867 OLD_LDFLAGS=$LDFLAGS
1869 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1870 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1871 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1872 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1873 if test "$plugins" = "yes"; then
1876 LIBS="-lbfd -liberty $intl $LIBS"
1877 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1879 [#include <stdlib.h>
1881 #include "elf-bfd.h"
1883 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1884 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1885 if test $gdb_cv_var_elf = yes; then
1886 CONFIG_OBS="$CONFIG_OBS elfread.o"
1887 AC_DEFINE(HAVE_ELF, 1,
1888 [Define if ELF support should be included.])
1889 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1890 if test "$plugins" = "yes"; then
1891 OLD_LIBS="-ldl $OLD_LIBS"
1895 LDFLAGS=$OLD_LDFLAGS
1898 # Add any host-specific objects to GDB.
1899 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1901 LIBGUI="../libgui/src/libgui.a"
1902 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1904 AC_SUBST(GUI_CFLAGS_X)
1908 AC_SUBST(WIN32LDAPP)
1911 *-*-cygwin* | *-*-mingw* )
1920 if test "${enable_gdbtk}" = "yes"; then
1922 # Gdbtk must have an absolute path to srcdir in order to run
1923 # properly when not installed.
1931 # If $no_tk is nonempty, then we can't do Tk, and there is no
1932 # point to doing Tcl.
1935 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1938 # Check for in-tree tcl
1945 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1949 # Find Tcl private headers
1950 if test x"${intree}" = xno; then
1951 CY_AC_TCL_PRIVATE_HEADERS
1952 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1953 TCL_LIBRARY="${TCL_LIB_SPEC}"
1956 # If building tcl in the same src tree, private headers
1957 # are not needed, but we need to be sure to use the right
1959 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1960 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1961 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1963 AC_SUBST(TCL_INCLUDE)
1964 AC_SUBST(TCL_LIBRARY)
1969 # Check for in-tree Tk
1971 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1975 # Find Tk private headers
1976 if test x"${intree}" = xno; then
1977 CY_AC_TK_PRIVATE_HEADERS
1978 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1979 TK_LIBRARY=${TK_LIB_SPEC}
1982 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1983 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1984 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1986 AC_SUBST(TK_INCLUDE)
1987 AC_SUBST(TK_LIBRARY)
1989 AC_SUBST(TK_XINCLUDES)
1991 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1993 # Include some libraries that Tcl and Tk want.
1994 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1995 # Yes, the ordering seems wrong here. But it isn't.
1996 # TK_LIBS is the list of libraries that need to be linked
1997 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1998 # were in LIBS then any link tests after this point would
1999 # try to include things like `$(LIBGUI)', which wouldn't work.
2000 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2002 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2003 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2004 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2005 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2006 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2007 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2008 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2010 if test x$gdb_cv_os_cygwin = xyes; then
2011 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2012 WIN32LDAPP="-Wl,--subsystem,console"
2013 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2016 AC_CONFIG_SUBDIRS(gdbtk)
2024 AC_SUBST(GDBTK_CFLAGS)
2025 AC_SUBST(GDBTK_SRC_DIR)
2029 # Unlike the sim directory, whether a simulator is linked is controlled by
2030 # presence of a gdb_sim definition in the target configure.tgt entry.
2031 # This code just checks for a few cases where we'd like to ignore those
2032 # definitions, even when they're present in the '.mt' file. These cases
2033 # are when --disable-sim is specified, or if the simulator directory is
2034 # not part of the source tree.
2037 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2038 [echo "enable_sim = $enable_sim";
2039 echo "enableval = ${enableval}";
2040 case "${enableval}" in
2041 yes) ignore_sim=false ;;
2042 no) ignore_sim=true ;;
2043 *) ignore_sim=false ;;
2047 if test ! -d "${srcdir}/../sim"; then
2053 if test "${ignore_sim}" = "false"; then
2054 if test x"${gdb_sim}" != x ; then
2056 SIM_OBS="remote-sim.o"
2057 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2063 AC_SUBST(ENABLE_CFLAGS)
2064 AC_SUBST(PROFILE_CFLAGS)
2066 AC_SUBST(CONFIG_OBS)
2067 AC_SUBST(CONFIG_DEPS)
2068 AC_SUBST(CONFIG_SRCS)
2069 AC_SUBST(CONFIG_ALL)
2070 AC_SUBST(CONFIG_CLEAN)
2071 AC_SUBST(CONFIG_INSTALL)
2072 AC_SUBST(CONFIG_UNINSTALL)
2074 # List of host floatformats.
2075 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2076 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2077 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2079 # target_subdir is used by the testsuite to find the target libraries.
2081 if test "${host}" != "${target}"; then
2082 target_subdir="${target_alias}/"
2084 AC_SUBST(target_subdir)
2087 if test "${gdb_native}" = "yes"; then
2088 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2089 if test ! -f ${host_makefile_frag}; then
2090 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2092 frags="$frags $host_makefile_frag"
2094 host_makefile_frag=/dev/null
2097 AC_SUBST_FILE(host_makefile_frag)
2101 if test "${gdb_native}" = "yes"; then
2102 # We pick this up from the host configuration file (.mh) because we
2103 # do not have a native configuration Makefile fragment.
2104 nativefile=`sed -n '
2105 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2106 ' ${host_makefile_frag}`
2110 if test x"${gdb_osabi}" != x ; then
2111 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2112 [Define to the default OS ABI for this configuration.])
2115 # Enable multi-ice-gdb-server.
2116 AC_ARG_ENABLE(multi-ice,
2117 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2121 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2123 if test "x$enable_multi_ice" = xyes; then
2124 AC_CONFIG_SUBDIRS(multi-ice)
2127 AC_ARG_ENABLE(gdbserver,
2128 AS_HELP_STRING([--enable-gdbserver],
2129 [automatically build gdbserver (yes/no/auto, default is auto)]),
2130 [case "${enableval}" in
2132 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2133 esac],[enable_gdbserver=auto])
2135 # We only build gdbserver automatically in a native configuration, and
2136 # only if the user did not explicitly disable its build.
2137 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2138 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2139 if test "x$build_gdbserver" = xyes; then
2141 AC_CONFIG_SUBDIRS(gdbserver)
2142 gdbserver_build_enabled=yes
2148 # If the user explicitly request the gdbserver to be built, verify that
2149 # we were in fact able to enable it.
2150 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2151 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2154 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2155 # to an empty version.
2161 if test "${nativefile}" != ""; then
2162 case "${nativefile}" in
2163 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2164 * ) GDB_NM_FILE="${nativefile}"
2166 files="${files} ${GDB_NM_FILE}"
2167 links="${links} nm.h"
2168 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2170 AC_SUBST(GDB_NM_FILE)
2172 AC_LINK_FILES($files, $links)
2174 dnl Check for exe extension set on certain hosts (e.g. Win32)
2177 dnl Detect the character set used by this host.
2178 dnl At the moment, we just assume it's UTF-8.
2179 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2180 [Define to be a string naming the default host character set.])
2182 AC_OUTPUT(Makefile .gdbinit:gdbinit.in doc/Makefile gnulib/Makefile data-directory/Makefile,
2184 case x$CONFIG_HEADERS in
2185 xconfig.h:config.in)