1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2012 Free Software Foundation, Inc.
4 dnl This file is part of GDB.
6 dnl This program is free software; you can redistribute it and/or modify
7 dnl it under the terms of the GNU General Public License as published by
8 dnl the Free Software Foundation; either version 3 of the License, or
9 dnl (at your option) any later version.
11 dnl This program is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 dnl GNU General Public License for more details.
16 dnl You should have received a copy of the GNU General Public License
17 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
19 dnl Process this file with autoconf to produce a configure script.
23 AC_CONFIG_HEADER(config.h:config.in)
27 AC_USE_SYSTEM_EXTENSIONS
35 # Dependency checking.
37 ZW_PROG_COMPILER_DEPENDENCIES([CC])
39 # Check for the 'make' the user wants to use.
40 AC_CHECK_PROGS(MAKE, make)
42 case "`$MAKE --version 2>&1 | sed 1q`" in
47 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
50 dnl List of object files and targets accumulated by configure.
62 dnl Set up for gettext.
63 ZW_GNU_GETTEXT_SISTER_DIR
65 localedir='${datadir}/locale'
68 if test x"$USE_NLS" = xyes; then
69 CONFIG_ALL="$CONFIG_ALL all-po"
70 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
71 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
72 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
77 # For Makefile dependencies.
79 if test x"$STDINT_H" != x; then
80 GNULIB_STDINT_H=gnulib/$STDINT_H
82 AC_SUBST(GNULIB_STDINT_H)
85 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
88 # We never need to detect it in this sub-configure.
89 # But preserve it for config.status --recheck.
91 [Parent configure detects if it is of sufficient version.])
92 AC_ARG_VAR(MAKEINFOFLAGS,
93 [Parameters for MAKEINFO.])
95 MAKEINFO_EXTRA_FLAGS=""
96 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
97 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
98 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
99 gdb_cv_have_makeinfo_click=yes
101 gdb_cv_have_makeinfo_click=no
103 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
104 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
106 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
108 # GDB does not use automake, but gnulib does. This line lets us
109 # generate its Makefile.in.
110 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
112 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
113 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
116 # We can't pass paths as command line arguments.
117 # Mingw32 tries to be clever and will convert the paths for us.
118 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
119 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
120 # This breaks GDB's relocatable path conversions since paths passed in
121 # config.h would not get so translated, the path prefixes no longer match.
122 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
124 # GDB's datadir relocation
126 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
127 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
130 AC_ARG_WITH(relocated-sources,
131 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
132 [reloc_srcdir="${withval}"
133 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
134 [Relocated directory for source files. ])
137 AC_CONFIG_SUBDIRS(testsuite)
139 # Check whether to support alternative target configurations
140 AC_ARG_ENABLE(targets,
141 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
142 [case "${enableval}" in
143 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
145 no) enable_targets= ;;
146 *) enable_targets=$enableval ;;
149 # Check whether to enable 64-bit support on 32-bit hosts
150 AC_ARG_ENABLE(64-bit-bfd,
151 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
152 [case "${enableval}" in
155 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
156 esac],[want64=false])dnl
158 # Provide defaults for some variables set by the per-host and per-target
160 gdb_host_obs=posix-hdep.o
162 if test "${target}" = "${host}"; then
168 . $srcdir/configure.host
170 # Accumulate some settings from configure.tgt over all enabled targets
175 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
177 if test "$targ_alias" = "all"; then
180 # Canonicalize the secondary target names.
181 result=`$ac_config_sub $targ_alias 2>/dev/null`
182 if test -n "$result"; then
188 . ${srcdir}/configure.tgt
190 AS_IF([test -z "${gdb_target_obs}"],
191 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
193 # Target-specific object files
194 for i in ${gdb_target_obs}; do
195 case " $TARGET_OBS " in
198 TARGET_OBS="$TARGET_OBS ${i}"
203 # Check whether this target needs 64-bit CORE_ADDR
204 if test x${want64} = xfalse; then
205 . ${srcdir}/../bfd/config.bfd
210 if test x${all_targets} = xtrue; then
212 # We want all 64-bit targets if we either:
213 # - run on a 64-bit host or
214 # - already require 64-bit support for some other target or
215 # - the --enable-64-bit-bfd option was supplied
216 # Otherwise we only support all 32-bit targets.
218 # NOTE: This test must be in sync with the corresponding
221 if test x${want64} = xfalse; then
222 AC_CHECK_SIZEOF(long)
223 if test "x${ac_cv_sizeof_long}" = "x8"; then
227 if test x${want64} = xtrue; then
228 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
230 TARGET_OBS='$(ALL_TARGET_OBS)'
236 # For other settings, only the main target counts.
240 targ=$target; . ${srcdir}/configure.tgt
242 # Fetch the default architecture and default target vector from BFD.
243 targ=$target; . $srcdir/../bfd/config.bfd
245 # We only want the first architecture, so strip off the others if
246 # there is more than one.
247 targ_archs=`echo $targ_archs | sed 's/ .*//'`
249 if test "x$targ_archs" != x; then
250 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
251 [Define to BFD's default architecture. ])
253 if test "x$targ_defvec" != x; then
254 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
255 [Define to BFD's default target vector. ])
258 # The CLI cannot be disabled yet, but may be in the future.
261 AC_ARG_ENABLE(gdbcli,
262 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
267 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
269 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
272 if test x"$enable_gdbcli" = xyes; then
273 if test -d $srcdir/cli; then
274 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
275 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
276 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
277 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
283 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
288 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
291 if test x"$enable_gdbmi" = xyes; then
292 if test -d $srcdir/mi; then
293 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
294 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
295 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
296 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
302 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
307 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
308 esac],enable_tui=auto)
312 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
317 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
319 [if test -d $srcdir/gdbtk; then
324 # We unconditionally disable gdbtk tests on selected platforms.
327 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
332 AC_ARG_WITH(libunwind,
333 AS_HELP_STRING([--with-libunwind], [use libunwind frame unwinding support]),
334 [case "${withval}" in
335 yes) enable_libunwind=yes ;;
336 no) enable_libunwind=no ;;
337 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
339 AC_CHECK_HEADERS(libunwind-ia64.h)
340 if test x"$ac_cv_header_libunwind_ia64_h" = xyes; then
341 enable_libunwind=yes;
345 if test x"$enable_libunwind" = xyes; then
346 AC_CHECK_HEADERS(libunwind-ia64.h)
347 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
348 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
349 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
350 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
354 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
357 if test "$opt_curses" = "yes"; then
362 AC_ARG_ENABLE(profiling,
363 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
368 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
370 [enable_profiling=no])
372 AC_CHECK_FUNCS(monstartup _mcleanup)
373 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
378 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
379 if test $ac_cv_var__etext = yes; then
380 AC_DEFINE(HAVE__ETEXT, 1,
381 [Define to 1 if your system has the _etext variable. ])
383 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
388 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
389 if test $ac_cv_var_etext = yes; then
390 AC_DEFINE(HAVE_ETEXT, 1,
391 [Define to 1 if your system has the etext variable. ])
393 if test "$enable_profiling" = yes ; then
394 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
395 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
399 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
401 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
402 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
403 ac_cv_cc_supports_pg=no)])
405 if test $ac_cv_cc_supports_pg = no; then
406 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
412 ACX_PKGVERSION([GDB])
413 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
414 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
415 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
417 # --------------------- #
418 # Checks for programs. #
419 # --------------------- #
427 AC_CHECK_TOOL(AR, ar)
428 AC_CHECK_TOOL(DLLTOOL, dlltool)
429 AC_CHECK_TOOL(WINDRES, windres)
431 # Needed for GNU/Hurd.
432 AC_CHECK_TOOL(MIG, mig)
434 # ---------------------- #
435 # Checks for libraries. #
436 # ---------------------- #
438 # We might need to link with -lm; most simulators need it.
439 AC_CHECK_LIB(m, main)
441 # We need to link with -lw to get `wctype' on Solaris before Solaris
442 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
443 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
444 # is known to have this problem). Therefore we avoid libw if we can.
445 AC_CHECK_FUNC(wctype, [],
446 [AC_CHECK_LIB(w, wctype)])
448 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
449 AC_SEARCH_LIBS(gethostbyname, nsl)
451 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
452 AC_SEARCH_LIBS(socketpair, socket)
454 # Link in zlib if we can. This allows us to read compressed debug sections.
457 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
458 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
462 # GDB may fork/exec the iconv program to get the list of supported character
463 # sets. Allow the user to specify where to find it.
464 # There are several factors affecting the choice of option name:
465 # - There is already --with-libiconv-prefix but we can't use it, it specifies
466 # the build-time location of libiconv files.
467 # - The program we need to find is iconv, which comes with glibc. The user
468 # doesn't necessarily have libiconv installed. Therefore naming this
469 # --with-libiconv-foo feels wrong.
470 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
471 # defined to work on directories not files (though it really doesn't know
473 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
474 # with --with-libiconv-prefix.
475 # Putting these together is why the option name is --with-iconv-bin.
477 AC_ARG_WITH(iconv-bin,
478 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
479 [iconv_bin="${withval}"
480 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
481 [Path of directory of iconv program.])
482 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
485 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
486 # There is a very specific comment in /usr/include/curses.h explaining that
487 # termcap routines built into libcurses must not be used.
489 # The symptoms we observed so far is GDB unexpectedly changing
490 # the terminal settings when tgetent is called - this is particularly
491 # visible as the output is missing carriage returns, and so rapidly
492 # becomes very hard to read.
494 # The readline configure script has already decided that libtermcap
495 # was enough for its purposes, and so decided to build readline using
496 # libtermcap. Since the TUI mode requires curses, building GDB with
497 # TUI enabled results in both libraries to be used at the same time,
498 # which is not allowed. This basically means that GDB with TUI is
499 # broken on alpha-osf.
503 if test x"$enable_tui" = xyes; then
504 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
506 if test x"$enable_tui" = xauto; then
512 # For the TUI, we need enhanced curses functionality.
513 if test x"$enable_tui" != xno; then
518 if test x"$prefer_curses" = xyes; then
519 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
520 # curses library because the latter might not provide all the
521 # functionality we need. However, this leads to problems on systems
522 # where the linker searches /usr/local/lib, but the compiler doesn't
523 # search /usr/local/include, if ncurses is installed in /usr/local. A
524 # default installation of ncurses on alpha*-dec-osf* will lead to such
526 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
528 if test "$ac_cv_search_waddstr" != no; then
533 # Check whether we should enable the TUI, but only do so if we really
535 if test x"$enable_tui" != xno; then
536 if test -d $srcdir/tui; then
537 if test "$curses_found" != no; then
538 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
539 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
540 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
541 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
543 if test x"$enable_tui" = xyes; then
544 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
546 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
552 # Since GDB uses Readline, we need termcap functionality. In many
553 # cases this will be provided by the curses library, but some systems
554 # have a seperate termcap library, or no curses library at all.
558 if test -d $srcdir/libtermcap; then
559 LIBS="../libtermcap/libtermcap.a $LIBS"
560 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
563 ac_cv_search_tgetent="none required"
566 ac_cv_search_tgetent="none required"
567 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
571 # These are the libraries checked by Readline.
572 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
574 if test "$ac_cv_search_tgetent" = no; then
575 AC_MSG_ERROR([no termcap library found])
578 AC_ARG_WITH([system-readline],
579 [AS_HELP_STRING([--with-system-readline],
580 [use installed readline library])])
582 if test "$with_system_readline" = yes; then
586 READLINE_TEXI_INCFLAG=
588 READLINE='$(READLINE_DIR)/libreadline.a'
589 READLINE_DEPS='$(READLINE)'
590 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
591 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
594 AC_SUBST(READLINE_DEPS)
595 AC_SUBST(READLINE_CFLAGS)
596 AC_SUBST(READLINE_TEXI_INCFLAG)
598 # Generate jit-reader.h
600 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
603 AC_CHECK_SIZEOF(unsigned long long)
604 AC_CHECK_SIZEOF(unsigned long)
605 AC_CHECK_SIZEOF(unsigned __int128)
607 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
608 TARGET_PTR="unsigned long"
609 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
610 TARGET_PTR="unsigned long long"
611 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
612 TARGET_PTR="unsigned __int128"
614 TARGET_PTR="unsigned long"
618 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
620 AC_SEARCH_LIBS(dlopen, dl)
622 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
623 [directory to load the JIT readers from],
627 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
628 [], [with_expat=auto])
629 AC_MSG_CHECKING([whether to use expat])
630 AC_MSG_RESULT([$with_expat])
632 if test "${with_expat}" = no; then
633 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
636 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
637 [XML_Parser p = XML_ParserCreate (0);])
638 if test "$HAVE_LIBEXPAT" != yes; then
639 if test "$with_expat" = yes; then
640 AC_MSG_ERROR([expat is missing or unusable])
642 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
646 LIBS="$LIBS $LIBEXPAT"
647 AC_CHECK_FUNCS(XML_StopParser)
652 dnl Utility to simplify finding libpython.
654 dnl $2 = the shell variable to assign the result to
655 dnl If libpython is found we store $version here.
656 dnl $3 = additional flags to add to CPPFLAGS
657 dnl $4 = additional flags to add to LIBS
659 AC_DEFUN([AC_TRY_LIBPYTHON],
662 define([have_libpython_var],$2)
665 AC_MSG_CHECKING([for ${version}])
666 save_CPPFLAGS=$CPPFLAGS
668 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
669 LIBS="$LIBS $new_LIBS"
670 found_usable_python=no
671 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
672 [[Py_Initialize ();]]),
673 [have_libpython_var=${version}
674 found_usable_python=yes
675 PYTHON_CPPFLAGS=$new_CPPFLAGS
676 PYTHON_LIBS=$new_LIBS])
677 CPPFLAGS=$save_CPPFLAGS
679 AC_MSG_RESULT([${found_usable_python}])
682 dnl There are several different values for --with-python:
684 dnl no - Don't include python support.
685 dnl yes - Include python support, error if it's missing.
686 dnl If we find python in $PATH, use it to fetch configure options,
687 dnl otherwise assume the compiler can find it with no help from us.
688 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
689 dnl auto - Same as "yes", but if python is missing from the system,
690 dnl fall back to "no".
691 dnl /path/to/python/exec-prefix -
692 dnl Use the python located in this directory.
693 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
694 dnl the compilation parameters. Otherwise use
695 dnl -I/path/to/python/exec-prefix/include,
696 dnl -L/path/to/python/exec-prefix/lib.
697 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
698 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
699 dnl but is deprecated.
700 dnl /path/to/python/executable -
701 dnl Run python-config.py with this version of python to fetch the
702 dnl compilation parameters.
703 dnl NOTE: This needn't be the real python executable.
704 dnl In a cross-compilation scenario (build != host), this could be
705 dnl a shell script that provides what python-config.py provides for
706 dnl --ldflags, --includes, --exec-prefix.
707 dnl python-executable -
708 dnl Find python-executable in $PATH, and then handle the same as
709 dnl /path/to/python/executable.
711 dnl If a python program is specified, it is used to run python-config.py and
712 dnl is passed --ldflags, --includes, --exec-prefix.
715 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
716 [], [with_python=auto])
717 AC_MSG_CHECKING([whether to use python])
718 AC_MSG_RESULT([$with_python])
720 if test "${with_python}" = no; then
721 AC_MSG_WARN([python support disabled; some features may be unavailable.])
724 case "${with_python}" in
725 [[\\/]]* | ?:[[\\/]]*)
726 if test -d ${with_python}; then
727 # Assume the python binary is ${with_python}/bin/python.
728 python_prog="${with_python}/bin/python"
730 # If python does not exit ${with_python}/bin, then try in
731 # ${with_python}. On Windows/MinGW, this is where the Python
733 if test ! -x "${python_prog}"; then
734 python_prog="${with_python}/python"
737 if test ! -x "${python_prog}"; then
738 # Fall back to gdb 7.0/7.1 behaviour.
740 python_prefix=${with_python}
742 elif test -x "${with_python}"; then
743 # While we can't run python compiled for $host (unless host == build),
744 # the user could write a script that provides the needed information,
745 # so we support that.
746 python_prog=${with_python}
749 AC_ERROR(invalid value for --with-python)
753 # Disallow --with-python=foo/bar.
754 AC_ERROR(invalid value for --with-python)
757 # The user has either specified auto, yes, or the name of the python
758 # program assumed to be in $PATH.
760 case "${with_python}" in
762 if test ${build} = ${host}; then
763 AC_PATH_PROG(python_prog_path, python, missing)
764 if test "${python_prog_path}" = missing; then
767 python_prog=${python_prog_path}
770 # Not much we can do except assume the cross-compiler will find the
776 # While we can't run python compiled for $host (unless host == build),
777 # the user could write a script that provides the needed information,
778 # so we support that.
779 python_prog="${with_python}"
780 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
781 if test "${python_prog_path}" = missing; then
782 AC_ERROR(unable to find python program ${python_prog})
788 if test "${python_prog}" != missing; then
789 # We have a python program to use, but it may be too old.
790 # Don't flag an error for --with-python=auto (the default).
791 have_python_config=yes
792 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
793 if test $? != 0; then
794 have_python_config=failed
795 if test "${with_python}" != auto; then
796 AC_ERROR(failure running python-config --includes)
799 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
800 if test $? != 0; then
801 have_python_config=failed
802 if test "${with_python}" != auto; then
803 AC_ERROR(failure running python-config --ldflags)
806 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
807 if test $? != 0; then
808 have_python_config=failed
809 if test "${with_python}" != auto; then
810 AC_ERROR(failure running python-config --exec-prefix)
814 # We do not have a python executable we can use to determine where
815 # to find the Python headers and libs. We cannot guess the include
816 # path from the python_prefix either, because that include path
817 # depends on the Python version. So, there is nothing much we can
818 # do except assume that the compiler will be able to find those files.
821 have_python_config=no
824 # If we have python-config, only try the configuration it provides.
825 # Otherwise fallback on the old way of trying different versions of
829 if test "${have_python_config}" = yes; then
830 # Determine the Python version by extracting "-lpython<version>"
831 # part of the python_libs. <version> is usually X.Y with X and Y
832 # being decimal numbers, but can also be XY (seen on Windows).
834 # The extraction is performed using sed with a regular expression.
835 # Initially, the regexp used was using the '?' quantifier to make
836 # the dot in the version number optional. Unfortunately, this
837 # does not work with non-GNU versions of sed because, because of
838 # what looks like a limitation (the '?' quantifier does not work
839 # with back-references). We work around this limitation by using
840 # the '*' quantifier instead. It means that, in theory, we might
841 # match unexpected version strings such as "-lpython2..7", but
842 # this seems unlikely in practice. And even if that happens,
843 # an error will be triggered later on, when checking that version
845 python_version=`echo " ${python_libs} " \
846 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
847 case "${python_version}" in
849 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
850 ${python_includes}, ${python_libs})
853 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
856 elif test "${have_python_config}" != failed; then
857 if test "${have_libpython}" = no; then
858 AC_TRY_LIBPYTHON(python2.7, have_libpython,
859 ${python_includes}, "${python_libs} -lpython2.7")
861 if test "${have_libpython}" = no; then
862 AC_TRY_LIBPYTHON(python2.6, have_libpython,
863 ${python_includes}, "${python_libs} -lpython2.6")
865 if test ${have_libpython} = no; then
866 AC_TRY_LIBPYTHON(python2.5, have_libpython,
867 ${python_includes}, "${python_libs} -lpython2.5")
869 if test ${have_libpython} = no; then
870 AC_TRY_LIBPYTHON(python2.4, have_libpython,
871 ${python_includes}, "${python_libs} -lpython2.4")
874 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
875 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
876 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
877 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
878 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
879 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
880 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
881 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
884 if test "${have_libpython}" = no; then
885 case "${with_python}" in
887 AC_MSG_ERROR([python is missing or unusable])
890 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
893 AC_MSG_ERROR([no usable python found at ${with_python}])
897 if test -n "${python_prefix}"; then
898 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
899 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
900 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
905 if test "${have_libpython}" != no; then
906 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
907 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
908 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
909 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
910 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
911 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
913 # Flags needed to compile Python code (taken from python-config --cflags).
914 # We cannot call python-config directly because it will output whatever was
915 # used when compiling the Python interpreter itself, including flags which
916 # would make the python-related objects be compiled differently from the
917 # rest of GDB (e.g., -O2 and -fPIC).
918 if test "${GCC}" = yes; then
919 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
922 if test "x${tentative_python_cflags}" != x; then
923 AC_MSG_CHECKING(compiler flags for python code)
924 for flag in ${tentative_python_cflags}; do
925 # Check that the compiler accepts it
926 saved_CFLAGS="$CFLAGS"
927 CFLAGS="$CFLAGS $flag"
928 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
929 CFLAGS="$saved_CFLAGS"
931 AC_MSG_RESULT(${PYTHON_CFLAGS})
934 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
936 # #define siginfo __siginfo
938 # The problem is that including Python causes some XOPEN macros to be
939 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
940 # to false. So, we work around this issue by defining siginfo ourself
941 # though the command-line.
943 irix*) if test "${GCC}" = yes; then
944 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
949 # Even if Python support is not compiled in, we need to have these files
951 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
952 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
953 python/py-prettyprint.c python/py-auto-load.c"
955 AC_SUBST(PYTHON_CFLAGS)
956 AC_SUBST(PYTHON_CPPFLAGS)
957 AC_SUBST(PYTHON_LIBS)
959 # ------------------------- #
960 # Checks for header files. #
961 # ------------------------- #
966 # elf_hp.h is for HP/UX 64-bit shared library support.
967 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
968 # unconditionally, so what's the point in checking these?
969 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
970 thread_db.h gnu/libc-version.h signal.h stddef.h \
971 stdlib.h string.h memory.h strings.h sys/fault.h \
972 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
973 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
974 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
975 sys/types.h sys/wait.h wait.h termios.h termio.h \
976 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
977 dlfcn.h sys/socket.h sys/un.h])
978 AC_CHECK_HEADERS(link.h, [], [],
979 [#if HAVE_SYS_TYPES_H
980 # include <sys/types.h>
986 AC_CHECK_HEADERS(sys/proc.h, [], [],
987 [#if HAVE_SYS_PARAM_H
988 # include <sys/param.h>
991 AC_CHECK_HEADERS(sys/user.h, [], [],
992 [#if HAVE_SYS_PARAM_H
993 # include <sys/param.h>
997 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
998 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
999 # think that we don't have <curses.h> if we're using GCC.
1002 if test "$GCC" = yes; then
1003 AC_DEFINE(_MSE_INT_H, 1,
1004 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1005 Solaris 2.[789] when using GCC. ])
1008 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1009 AC_CHECK_HEADERS(term.h, [], [],
1011 # include <curses.h>
1015 # ------------------------- #
1016 # Checks for declarations. #
1017 # ------------------------- #
1019 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1020 snprintf, vsnprintf])
1023 # ----------------------- #
1024 # Checks for structures. #
1025 # ----------------------- #
1027 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1029 # ------------------ #
1030 # Checks for types. #
1031 # ------------------ #
1034 AC_CHECK_TYPES(socklen_t, [], [],
1035 [#include <sys/types.h>
1036 #include <sys/socket.h>
1039 # ------------------------------------- #
1040 # Checks for compiler characteristics. #
1041 # ------------------------------------- #
1047 # ------------------------------ #
1048 # Checks for library functions. #
1049 # ------------------------------ #
1054 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1055 pipe poll pread pread64 pwrite readlink resize_term \
1056 sbrk setpgid setpgrp setsid \
1057 sigaction sigprocmask sigsetmask socketpair syscall \
1058 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1059 setrlimit getrlimit posix_madvise waitpid lstat])
1062 # Check the return and argument types of ptrace. No canned test for
1063 # this, so roll our own.
1064 gdb_ptrace_headers='
1065 #if HAVE_SYS_TYPES_H
1066 # include <sys/types.h>
1068 #if HAVE_SYS_PTRACE_H
1069 # include <sys/ptrace.h>
1072 # include <unistd.h>
1075 # There is no point in checking if we don't have a prototype.
1076 AC_CHECK_DECLS(ptrace, [], [
1077 : ${gdb_cv_func_ptrace_ret='int'}
1078 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1079 ], $gdb_ptrace_headers)
1080 # Check return type. Varargs (used on GNU/Linux) conflict with the
1081 # empty argument list, so check for that explicitly.
1082 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1083 AC_TRY_COMPILE($gdb_ptrace_headers,
1084 [extern long ptrace (enum __ptrace_request, ...);],
1085 gdb_cv_func_ptrace_ret='long',
1086 AC_TRY_COMPILE($gdb_ptrace_headers,
1087 [extern int ptrace ();],
1088 gdb_cv_func_ptrace_ret='int',
1089 gdb_cv_func_ptrace_ret='long')))
1090 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1091 [Define as the return type of ptrace.])
1092 # Check argument types.
1093 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1094 AC_TRY_COMPILE($gdb_ptrace_headers,
1095 [extern long ptrace (enum __ptrace_request, ...);],
1096 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1097 for gdb_arg1 in 'int' 'long'; do
1098 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1099 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1100 for gdb_arg4 in 'int' 'long'; do
1101 AC_TRY_COMPILE($gdb_ptrace_headers, [
1102 extern $gdb_cv_func_ptrace_ret
1103 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1104 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1106 for gdb_arg5 in 'int *' 'int' 'long'; do
1107 AC_TRY_COMPILE($gdb_ptrace_headers, [
1108 extern $gdb_cv_func_ptrace_ret
1109 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1111 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1118 # Provide a safe default value.
1119 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1121 ac_save_IFS=$IFS; IFS=','
1122 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1125 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1126 [Define to the type of arg 3 for ptrace.])
1127 if test -n "$[5]"; then
1128 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1129 [Define to the type of arg 5 for ptrace.])
1132 dnl AC_FUNC_SETPGRP does not work when cross compiling
1133 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1134 if test "$cross_compiling" = no; then
1137 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1141 if (setpgrp(1,1) == -1)
1145 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1146 if test $ac_cv_func_setpgrp_void = yes; then
1147 AC_DEFINE(SETPGRP_VOID, 1)
1151 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1152 # since sigsetjmp might only be defined as a macro.
1153 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1156 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1157 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1158 if test $gdb_cv_func_sigsetjmp = yes; then
1159 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1162 # Assume we'll default to using the included libiberty regex.
1163 gdb_use_included_regex=yes
1165 # However, if the system regex is GNU regex, then default to *not*
1166 # using the included regex.
1169 [gdb_cv_have_gnu_regex],
1171 [#include <gnu-versions.h>],
1172 [#define REGEX_INTERFACE_VERSION 1
1173 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1174 # error "Version mismatch"
1176 gdb_cv_have_gnu_regex=yes,
1177 gdb_cv_have_gnu_regex=no)])
1178 if test $gdb_cv_have_gnu_regex = yes; then
1179 gdb_use_included_regex=no
1182 AC_ARG_WITH(included-regex,
1183 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1184 gdb_with_regex=$withval,
1185 gdb_with_regex=$gdb_use_included_regex)
1186 if test "$gdb_with_regex" = yes; then
1187 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1188 [Define to 1 if the regex included in libiberty should be used.])
1191 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1192 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1193 [#include <sys/param.h>
1194 #include <sys/proc.h>
1197 # See if <sys/lwp.h> defines `struct lwp`.
1198 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1199 [AC_TRY_COMPILE([#include <sys/param.h>
1200 #include <sys/lwp.h>], [struct lwp l;],
1201 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1202 if test $gdb_cv_struct_lwp = yes; then
1203 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1204 [Define to 1 if your system has struct lwp.])
1207 # See if <machine/reg.h> degines `struct reg'.
1208 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1209 [AC_TRY_COMPILE([#include <sys/types.h>
1210 #include <machine/reg.h>], [struct reg r;],
1211 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1212 if test $gdb_cv_struct_reg = yes; then
1213 AC_DEFINE(HAVE_STRUCT_REG, 1,
1214 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1217 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1218 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1219 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1220 [#include <machine/reg.h>])
1222 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1223 AC_MSG_CHECKING(for PTRACE_GETREGS)
1224 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1225 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1227 [gdb_cv_have_ptrace_getregs=yes],
1228 [gdb_cv_have_ptrace_getregs=no])])
1229 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1230 if test $gdb_cv_have_ptrace_getregs = yes; then
1231 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1232 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1235 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1236 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1237 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1238 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1239 [PTRACE_GETFPXREGS;],
1240 [gdb_cv_have_ptrace_getfpxregs=yes],
1241 [gdb_cv_have_ptrace_getfpxregs=no])])
1242 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1243 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1244 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1245 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1248 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1249 AC_MSG_CHECKING(for PT_GETDBREGS)
1250 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1251 [AC_TRY_COMPILE([#include <sys/types.h>
1252 #include <sys/ptrace.h>],
1254 [gdb_cv_have_pt_getdbregs=yes],
1255 [gdb_cv_have_pt_getdbregs=no])])
1256 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1257 if test $gdb_cv_have_pt_getdbregs = yes; then
1258 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1259 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1262 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1263 AC_MSG_CHECKING(for PT_GETXMMREGS)
1264 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1265 [AC_TRY_COMPILE([#include <sys/types.h>
1266 #include <sys/ptrace.h>],
1268 [gdb_cv_have_pt_getxmmregs=yes],
1269 [gdb_cv_have_pt_getxmmregs=no])])
1270 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1271 if test $gdb_cv_have_pt_getxmmregs = yes; then
1272 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1273 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1276 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1278 if test "${target}" = "${host}"; then
1280 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1281 AC_DEFINE(NEW_PROC_API, 1,
1282 [Define if you want to use new multi-fd /proc interface
1283 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1285 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1286 AC_DEFINE(NEW_PROC_API, 1,
1287 [Define if you want to use new multi-fd /proc interface
1288 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1291 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1292 AC_DEFINE([_KMEMUSER], 1,
1293 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1294 around a <sys/proc.h> problem on IRIX 5.])
1299 if test "$ac_cv_header_sys_procfs_h" = yes; then
1300 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1301 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1302 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1303 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1304 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1305 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1306 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1307 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1308 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1309 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1310 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1311 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1312 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1313 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1316 dnl Check for broken prfpregset_t type
1318 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1319 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1320 dnl instead of the struct itself). We detect this here, and work
1321 dnl around it in gdb_proc_service.h.
1323 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1324 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1325 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1326 [AC_TRY_RUN([#include <sys/procfs.h>
1329 if (sizeof (prfpregset_t) == sizeof (void *))
1333 gdb_cv_prfpregset_t_broken=no,
1334 gdb_cv_prfpregset_t_broken=yes,
1335 gdb_cv_prfpregset_t_broken=yes)])
1336 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1337 if test $gdb_cv_prfpregset_t_broken = yes; then
1338 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1339 [Define if the prfpregset_t type is broken.])
1343 dnl Check for PIOCSET ioctl entry
1345 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1346 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1347 [AC_TRY_COMPILE([#include <unistd.h>
1348 #include <sys/types.h>
1349 #include <sys/procfs.h>
1352 dummy = ioctl(0, PIOCSET, &dummy);
1354 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1355 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1356 if test $gdb_cv_have_procfs_piocset = yes; then
1357 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1358 [Define if ioctl argument PIOCSET is available.])
1362 dnl For native ports (host == target), check to see what kind of
1363 dnl legacy link.h support is needed. (See solib-legacy.c.)
1364 if test ${host} = ${target} ; then
1365 dnl Check for struct link_map with l_ members which are indicative
1366 dnl of SVR4-like shared libraries
1368 AC_MSG_CHECKING(for member l_addr in struct link_map)
1369 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1370 [AC_TRY_COMPILE([#include <link.h>],
1371 [struct link_map lm; (void) lm.l_addr;],
1372 gdb_cv_have_struct_link_map_with_l_members=yes,
1373 gdb_cv_have_struct_link_map_with_l_members=no)])
1374 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1375 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1376 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1377 [Define if <link.h> exists and defines struct link_map which has
1378 members with an ``l_'' prefix. (For Solaris, SVR4, and
1379 SVR4-like systems.)])
1382 dnl Check for struct link_map with lm_ members which are indicative
1383 dnl of SunOS-like shared libraries
1385 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1386 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1387 [AC_TRY_COMPILE([#include <sys/types.h>
1389 [struct link_map lm; (void) lm.lm_addr;],
1390 gdb_cv_have_struct_link_map_with_lm_members=yes,
1391 gdb_cv_have_struct_link_map_with_lm_members=no)])
1392 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1393 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1394 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1395 [Define if <link.h> exists and defines struct link_map which has
1396 members with an ``lm_'' prefix. (For SunOS.)])
1399 dnl Check for struct so_map with som_ members which are found on
1400 dnl some *BSD systems.
1402 AC_MSG_CHECKING(for member som_addr in struct so_map)
1403 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1404 [AC_TRY_COMPILE([#include <sys/types.h>
1409 [struct so_map lm; (void) lm.som_addr;],
1410 gdb_cv_have_struct_so_map_with_som_members=yes,
1411 gdb_cv_have_struct_so_map_with_som_members=no)])
1412 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1413 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1414 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1415 [Define if <link.h> exists and defines a struct so_map which has
1416 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1419 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1420 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1422 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1423 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1424 [AC_TRY_COMPILE([#define _SYSCALL32
1425 #include <sys/link.h>], [struct link_map32 l;],
1426 gdb_cv_have_struct_link_map32=yes,
1427 gdb_cv_have_struct_link_map32=no)])
1428 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1429 if test $gdb_cv_have_struct_link_map32 = yes; then
1430 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1431 [Define if <sys/link.h> has struct link_map32])
1432 AC_DEFINE(_SYSCALL32, 1,
1433 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1437 # Check if the compiler supports the `long long' type.
1439 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1440 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1441 [[extern long long foo;]],
1442 [[switch (foo & 2) { case 0: return 1; }]])],
1443 gdb_cv_c_long_long=yes,
1444 gdb_cv_c_long_long=no)])
1445 if test $gdb_cv_c_long_long = yes; then
1446 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1447 [Define to 1 if the compiler supports long long.])
1450 # Check if the compiler and runtime support printing long longs.
1452 AC_CACHE_CHECK([for long long support in printf],
1453 gdb_cv_printf_has_long_long,
1454 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1457 l = (l << 16) + 0x0123;
1458 l = (l << 16) + 0x4567;
1459 l = (l << 16) + 0x89ab;
1460 l = (l << 16) + 0xcdef;
1461 sprintf (buf, "0x%016llx", l);
1462 return (strcmp ("0x0123456789abcdef", buf));]])],
1463 gdb_cv_printf_has_long_long=yes,
1464 gdb_cv_printf_has_long_long=no,
1465 gdb_cv_printf_has_long_long=no)])
1466 if test $gdb_cv_printf_has_long_long = yes; then
1467 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1468 [Define to 1 if the "%ll" format works to print long longs.])
1471 # Check if the compiler and runtime support printing decfloats.
1473 AC_CACHE_CHECK([for decfloat support in printf],
1474 gdb_cv_printf_has_decfloat,
1475 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1477 _Decimal32 d32 = 1.2345df;
1478 _Decimal64 d64 = 1.2345dd;
1479 _Decimal128 d128 = 1.2345dl;
1480 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1481 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1482 gdb_cv_printf_has_decfloat=yes,
1483 gdb_cv_printf_has_decfloat=no,
1484 gdb_cv_printf_has_decfloat=no)])
1485 if test $gdb_cv_printf_has_decfloat = yes; then
1486 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1487 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1490 # Check if the compiler supports the `long double' type. We can't use
1491 # AC_C_LONG_DOUBLE because that one does additional checks on the
1492 # constants defined in <float.h> that fail on some systems,
1493 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1495 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1496 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1497 gdb_cv_c_long_double=yes,
1498 gdb_cv_c_long_double=no)])
1499 if test $gdb_cv_c_long_double = yes; then
1500 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1501 [Define to 1 if the compiler supports long double.])
1504 # Check if the compiler and runtime support printing long doubles.
1506 AC_CACHE_CHECK([for long double support in printf],
1507 gdb_cv_printf_has_long_double,
1508 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1510 long double f = 3.141592653;
1511 sprintf (buf, "%Lg", f);
1512 return (strncmp ("3.14159", buf, 7));]])],
1513 gdb_cv_printf_has_long_double=yes,
1514 gdb_cv_printf_has_long_double=no,
1515 gdb_cv_printf_has_long_double=no)])
1516 if test $gdb_cv_printf_has_long_double = yes; then
1517 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1518 [Define to 1 if the "%Lg" format works to print long doubles.])
1521 # Check if the compiler and runtime support scanning long doubles.
1523 AC_CACHE_CHECK([for long double support in scanf],
1524 gdb_cv_scanf_has_long_double,
1525 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1526 [[#include <stdio.h>]],
1527 [[char *buf = "3.141592653";
1529 sscanf (buf, "%Lg", &f);
1530 return !(f > 3.14159 && f < 3.14160);]])],
1531 gdb_cv_scanf_has_long_double=yes,
1532 gdb_cv_scanf_has_long_double=no,
1533 gdb_cv_scanf_has_long_double=no)])
1534 if test $gdb_cv_scanf_has_long_double = yes; then
1535 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1536 [Define to 1 if the "%Lg" format works to scan long doubles.])
1541 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1542 SAVE_LDFLAGS=$LDFLAGS
1545 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1546 *) gdb_cv_bigtoc=-bbigtoc ;;
1549 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1550 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1551 LDFLAGS="${SAVE_LDFLAGS}"
1553 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1557 AC_MSG_CHECKING(for the dynamic export flag)
1559 if test "${gdb_native}" = yes; then
1560 # The dynamically loaded libthread_db needs access to symbols in the gdb
1561 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1562 # may not be supported there.
1563 old_LDFLAGS="$LDFLAGS"
1564 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1565 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1566 LDFLAGS="$LDFLAGS $RDYNAMIC"
1567 if test "${have_libpython}" = no; then
1568 AC_TRY_LINK([], [], [dynamic_list=true])
1570 # Workaround http://bugs.python.org/issue4434 where static
1571 # libpythonX.Y.a would get its symbols required for
1572 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1573 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1574 old_CFLAGS="$CFLAGS"
1575 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1578 [#include "]${have_libpython}[/Python.h"],
1581 err = PyRun_SimpleString ("import itertools\n");
1583 return err == 0 ? 0 : 1;]),
1584 [dynamic_list=true], [], [true])
1585 CFLAGS="$old_CFLAGS"
1587 LDFLAGS="$old_LDFLAGS"
1589 if $dynamic_list; then
1590 found="-Wl,--dynamic-list"
1591 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1594 RDYNAMIC="-rdynamic"
1597 AC_MSG_RESULT($found)
1599 dnl For certain native configurations, we need to check whether thread
1600 dnl support can be built in or not.
1602 dnl Note that we only want this if we are both native (host == target),
1603 dnl and not doing a canadian cross build (build == host).
1605 if test ${build} = ${host} -a ${host} = ${target} ; then
1608 # See if thread_db library is around for Solaris thread debugging.
1609 # Note that we must explicitly test for version 1 of the library
1610 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1612 AC_MSG_CHECKING(for Solaris thread debugging library)
1613 if test -f /usr/lib/libthread_db.so.1 ; then
1615 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1616 [Define if using Solaris thread debugging.])
1617 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1618 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1619 AC_CHECK_LIB(dl, dlopen)
1620 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1621 # Sun randomly tweaked the prototypes in <proc_service.h>
1623 AC_MSG_CHECKING(if <proc_service.h> is old)
1624 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1626 #include <proc_service.h>
1628 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1629 ],, gdb_cv_proc_service_is_old=no,
1630 gdb_cv_proc_service_is_old=yes)
1632 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1633 if test $gdb_cv_proc_service_is_old = yes; then
1634 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1635 [Define if <proc_service.h> on solaris uses int instead of
1636 size_t, and assorted other type changes.])
1643 AC_MSG_CHECKING(for AiX thread debugging library)
1644 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1645 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1646 [#ifndef PTHDB_VERSION_3
1649 gdb_cv_have_aix_thread_debug=yes,
1650 gdb_cv_have_aix_thread_debug=no)])
1651 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1652 if test $gdb_cv_have_aix_thread_debug = yes; then
1653 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1654 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1655 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1657 # Older versions of AIX do not provide the declaration for
1658 # the getthrds function (it appears that it was introduced
1660 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1664 AC_SUBST(CONFIG_LDFLAGS)
1667 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1668 dnl other error codes.
1669 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1670 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1671 gdb_cv_thread_db_h_has_td_notalloc,
1673 [#include <thread_db.h>],
1674 [int i = TD_NOTALLOC;],
1675 gdb_cv_thread_db_h_has_td_notalloc=yes,
1676 gdb_cv_thread_db_h_has_td_notalloc=no
1679 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1680 gdb_cv_thread_db_h_has_td_version,
1682 [#include <thread_db.h>],
1683 [int i = TD_VERSION;],
1684 gdb_cv_thread_db_h_has_td_version=yes,
1685 gdb_cv_thread_db_h_has_td_version=no
1688 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1689 gdb_cv_thread_db_h_has_td_notls,
1691 [#include <thread_db.h>],
1692 [int i = TD_NOTLS;],
1693 gdb_cv_thread_db_h_has_td_notls=yes,
1694 gdb_cv_thread_db_h_has_td_notls=no
1698 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1699 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1700 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1702 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1703 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1704 [Define if <thread_db.h> has the TD_VERSION error code.])
1706 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1707 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1708 [Define if <thread_db.h> has the TD_NOTLS error code.])
1711 dnl See if we have a sys/syscall header file that has __NR_tkill.
1712 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1713 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1714 gdb_cv_sys_syscall_h_has_tkill,
1716 [#include <sys/syscall.h>],
1717 [int i = __NR_tkill;],
1718 gdb_cv_sys_syscall_h_has_tkill=yes,
1719 gdb_cv_sys_syscall_h_has_tkill=no
1723 dnl See if we can issue tkill syscall.
1724 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1725 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1728 dnl Check if we can disable the virtual address space randomization.
1729 dnl The functionality of setarch -R.
1730 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1731 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1732 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1733 # define ADDR_NO_RANDOMIZE 0x0040000
1735 /* Test the flag could be set and stays set. */
1736 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1737 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1739 AC_RUN_IFELSE([PERSONALITY_TEST],
1740 [have_personality=true],
1741 [have_personality=false],
1742 [AC_LINK_IFELSE([PERSONALITY_TEST],
1743 [have_personality=true],
1744 [have_personality=false])])
1745 if $have_personality
1747 AC_DEFINE([HAVE_PERSONALITY], 1,
1748 [Define if you support the personality syscall.])
1751 dnl Handle optional features that can be enabled.
1753 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1754 # except that the argument to --with-sysroot is optional.
1755 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1756 if test "x$with_sysroot" = xyes; then
1757 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1759 AC_ARG_WITH(sysroot,
1760 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1761 [search for usr/lib et al within DIR]),
1762 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1763 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1764 [search for usr/lib et al within DIR])
1765 AC_SUBST(TARGET_SYSTEM_ROOT)
1766 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1768 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1769 [automatically load a system-wide gdbinit file],
1772 AC_ARG_ENABLE(werror,
1773 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1774 [case "${enableval}" in
1775 yes | y) ERROR_ON_WARNING="yes" ;;
1776 no | n) ERROR_ON_WARNING="no" ;;
1777 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1780 # Enable -Werror by default when using gcc
1781 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1782 ERROR_ON_WARNING=yes
1786 if test "${ERROR_ON_WARNING}" = yes ; then
1787 WERROR_CFLAGS="-Werror"
1790 # The entries after -Wno-pointer-sign are disabled warnings which may
1791 # be enabled in the future, which can not currently be used to build
1793 # NOTE: If you change this list, remember to update
1794 # gdb/doc/gdbint.texinfo.
1795 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1796 -Wformat-nonliteral -Wno-pointer-sign \
1797 -Wno-unused -Wunused-value -Wunused-function \
1798 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes"
1800 # Enable -Wno-format by default when using gcc on mingw since many
1801 # GCC versions complain about %I64.
1803 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1806 AC_ARG_ENABLE(build-warnings,
1807 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1808 [case "${enableval}" in
1810 no) build_warnings="-w";;
1811 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1812 build_warnings="${build_warnings} ${t}";;
1813 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1814 build_warnings="${t} ${build_warnings}";;
1815 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1817 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1818 echo "Setting compiler warning flags = $build_warnings" 6>&1
1820 AC_ARG_ENABLE(gdb-build-warnings,
1821 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1822 [case "${enableval}" in
1824 no) build_warnings="-w";;
1825 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1826 build_warnings="${build_warnings} ${t}";;
1827 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1828 build_warnings="${t} ${build_warnings}";;
1829 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1831 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1832 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1835 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1837 AC_MSG_CHECKING(compiler warning flags)
1838 # Separate out the -Werror flag as some files just cannot be
1839 # compiled with it enabled.
1840 for w in ${build_warnings}; do
1842 -Werr*) WERROR_CFLAGS=-Werror ;;
1843 *) # Check that GCC accepts it
1844 saved_CFLAGS="$CFLAGS"
1846 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1847 CFLAGS="$saved_CFLAGS"
1850 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1852 AC_SUBST(WARN_CFLAGS)
1853 AC_SUBST(WERROR_CFLAGS)
1855 # In the Cygwin environment, we need some additional flags.
1856 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1857 [AC_EGREP_CPP(lose, [
1858 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1860 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1863 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1864 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1866 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1867 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1868 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1870 AC_SUBST(SER_HARDWIRE)
1872 # libreadline needs libuser32.a in a cygwin environment
1874 if test x$gdb_cv_os_cygwin = xyes; then
1875 WIN32LIBS="-luser32"
1877 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1882 # The ser-tcp.c module requires sockets.
1885 AC_DEFINE(USE_WIN32API, 1,
1886 [Define if we should use the Windows API, instead of the
1887 POSIX API. On Windows, we use the Windows API when
1888 building for MinGW, but the POSIX API when building
1890 WIN32LIBS="$WIN32LIBS -lws2_32"
1895 # Add ELF support to GDB, but only if BFD includes ELF support.
1897 OLD_LDFLAGS=$LDFLAGS
1899 # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
1900 # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
1901 # always want our bfd.
1902 CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
1903 LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
1904 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1905 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1906 if test "$plugins" = "yes"; then
1909 LIBS="-lbfd -liberty $intl $LIBS"
1910 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1912 [#include <stdlib.h>
1914 #include "elf-bfd.h"
1916 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1917 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1918 if test $gdb_cv_var_elf = yes; then
1919 CONFIG_OBS="$CONFIG_OBS elfread.o"
1920 AC_DEFINE(HAVE_ELF, 1,
1921 [Define if ELF support should be included.])
1922 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1923 if test "$plugins" = "yes"; then
1924 OLD_LIBS="-ldl $OLD_LIBS"
1928 LDFLAGS=$OLD_LDFLAGS
1931 # Add any host-specific objects to GDB.
1932 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1934 LIBGUI="../libgui/src/libgui.a"
1935 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1937 AC_SUBST(GUI_CFLAGS_X)
1941 AC_SUBST(WIN32LDAPP)
1944 *-*-cygwin* | *-*-mingw* )
1953 if test "${enable_gdbtk}" = "yes"; then
1955 # Gdbtk must have an absolute path to srcdir in order to run
1956 # properly when not installed.
1964 # If $no_tk is nonempty, then we can't do Tk, and there is no
1965 # point to doing Tcl.
1968 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1971 # Check for in-tree tcl
1978 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1982 # Find Tcl private headers
1983 if test x"${intree}" = xno; then
1984 CY_AC_TCL_PRIVATE_HEADERS
1985 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1986 TCL_LIBRARY="${TCL_LIB_SPEC}"
1989 # If building tcl in the same src tree, private headers
1990 # are not needed, but we need to be sure to use the right
1992 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1993 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1994 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1996 AC_SUBST(TCL_INCLUDE)
1997 AC_SUBST(TCL_LIBRARY)
2002 # Check for in-tree Tk
2004 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2008 # Find Tk private headers
2009 if test x"${intree}" = xno; then
2010 CY_AC_TK_PRIVATE_HEADERS
2011 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2012 TK_LIBRARY=${TK_LIB_SPEC}
2015 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2016 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2017 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2019 AC_SUBST(TK_INCLUDE)
2020 AC_SUBST(TK_LIBRARY)
2022 AC_SUBST(TK_XINCLUDES)
2024 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2026 # Include some libraries that Tcl and Tk want.
2027 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2028 # Yes, the ordering seems wrong here. But it isn't.
2029 # TK_LIBS is the list of libraries that need to be linked
2030 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2031 # were in LIBS then any link tests after this point would
2032 # try to include things like `$(LIBGUI)', which wouldn't work.
2033 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2035 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2036 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2037 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2038 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2039 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2040 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2041 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2043 if test x$gdb_cv_os_cygwin = xyes; then
2044 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2045 WIN32LDAPP="-Wl,--subsystem,console"
2046 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2049 AC_CONFIG_SUBDIRS(gdbtk)
2057 AC_SUBST(GDBTK_CFLAGS)
2058 AC_SUBST(GDBTK_SRC_DIR)
2062 # Unlike the sim directory, whether a simulator is linked is controlled by
2063 # presence of a gdb_sim definition in the target configure.tgt entry.
2064 # This code just checks for a few cases where we'd like to ignore those
2065 # definitions, even when they're present in the '.mt' file. These cases
2066 # are when --disable-sim is specified, or if the simulator directory is
2067 # not part of the source tree.
2070 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2071 [echo "enable_sim = $enable_sim";
2072 echo "enableval = ${enableval}";
2073 case "${enableval}" in
2074 yes) ignore_sim=false ;;
2075 no) ignore_sim=true ;;
2076 *) ignore_sim=false ;;
2080 if test ! -d "${srcdir}/../sim"; then
2086 if test "${ignore_sim}" = "false"; then
2087 if test x"${gdb_sim}" != x ; then
2089 SIM_OBS="remote-sim.o"
2090 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2096 AC_SUBST(ENABLE_CFLAGS)
2097 AC_SUBST(PROFILE_CFLAGS)
2099 AC_SUBST(CONFIG_OBS)
2100 AC_SUBST(CONFIG_DEPS)
2101 AC_SUBST(CONFIG_SRCS)
2102 AC_SUBST(CONFIG_ALL)
2103 AC_SUBST(CONFIG_CLEAN)
2104 AC_SUBST(CONFIG_INSTALL)
2105 AC_SUBST(CONFIG_UNINSTALL)
2107 # List of host floatformats.
2108 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2109 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2110 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2112 # target_subdir is used by the testsuite to find the target libraries.
2114 if test "${host}" != "${target}"; then
2115 target_subdir="${target_alias}/"
2117 AC_SUBST(target_subdir)
2120 if test "${gdb_native}" = "yes"; then
2121 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2122 if test ! -f ${host_makefile_frag}; then
2123 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2125 frags="$frags $host_makefile_frag"
2127 host_makefile_frag=/dev/null
2130 AC_SUBST_FILE(host_makefile_frag)
2134 if test "${gdb_native}" = "yes"; then
2135 # We pick this up from the host configuration file (.mh) because we
2136 # do not have a native configuration Makefile fragment.
2137 nativefile=`sed -n '
2138 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2139 ' ${host_makefile_frag}`
2143 if test x"${gdb_osabi}" != x ; then
2144 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2145 [Define to the default OS ABI for this configuration.])
2148 # Enable multi-ice-gdb-server.
2149 AC_ARG_ENABLE(multi-ice,
2150 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2154 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2156 if test "x$enable_multi_ice" = xyes; then
2157 AC_CONFIG_SUBDIRS(multi-ice)
2160 AC_ARG_ENABLE(gdbserver,
2161 AS_HELP_STRING([--enable-gdbserver],
2162 [automatically build gdbserver (yes/no/auto, default is auto)]),
2163 [case "${enableval}" in
2165 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2166 esac],[enable_gdbserver=auto])
2168 # We only build gdbserver automatically in a native configuration, and
2169 # only if the user did not explicitly disable its build.
2170 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2171 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2172 if test "x$build_gdbserver" = xyes; then
2174 AC_CONFIG_SUBDIRS(gdbserver)
2175 gdbserver_build_enabled=yes
2181 # If the user explicitly request the gdbserver to be built, verify that
2182 # we were in fact able to enable it.
2183 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2184 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2187 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2188 # to an empty version.
2194 if test "${nativefile}" != ""; then
2195 case "${nativefile}" in
2196 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2197 * ) GDB_NM_FILE="${nativefile}"
2199 files="${files} ${GDB_NM_FILE}"
2200 links="${links} nm.h"
2201 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2203 AC_SUBST(GDB_NM_FILE)
2205 AC_LINK_FILES($files, $links)
2207 dnl Check for exe extension set on certain hosts (e.g. Win32)
2210 dnl Detect the character set used by this host.
2211 dnl At the moment, we just assume it's UTF-8.
2212 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2213 [Define to be a string naming the default host character set.])
2215 AC_OUTPUT(Makefile .gdbinit:gdbinit.in doc/Makefile gnulib/Makefile data-directory/Makefile,
2217 case x$CONFIG_HEADERS in
2218 xconfig.h:config.in)