1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2015 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)
26 # Set the 'development' global.
27 . $srcdir/../bfd/development.sh
30 AC_USE_SYSTEM_EXTENSIONS
39 # Dependency checking.
41 ZW_PROG_COMPILER_DEPENDENCIES([CC])
43 # Check for the 'make' the user wants to use.
44 AC_CHECK_PROGS(MAKE, make)
46 case "`$MAKE --version 2>&1 | sed 1q`" in
51 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
54 gnulib_extra_configure_args=
55 # If large-file support is disabled, make sure gnulib does the same.
56 if test "$enable_largefile" = no; then
57 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
60 # Configure gnulib. We need to build gnulib under some other
61 # directory not "gnulib", to avoid the problem of both GDB and
62 # GDBserver wanting to build it in the same directory, when building
64 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
65 ["$gnulib_extra_configure_args"])
67 dnl List of object files and targets accumulated by configure.
79 dnl Set up for gettext.
80 ZW_GNU_GETTEXT_SISTER_DIR
82 localedir='${datadir}/locale'
85 if test x"$USE_NLS" = xyes; then
86 CONFIG_ALL="$CONFIG_ALL all-po"
87 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
88 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
89 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
92 GNULIB=build-gnulib/import
94 # For Makefile dependencies.
96 if test x"$STDINT_H" != x; then
97 GNULIB_STDINT_H=$GNULIB/$STDINT_H
99 AC_SUBST(GNULIB_STDINT_H)
102 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
105 # We never need to detect it in this sub-configure.
106 # But preserve it for config.status --recheck.
108 [Parent configure detects if it is of sufficient version.])
109 AC_ARG_VAR(MAKEINFOFLAGS,
110 [Parameters for MAKEINFO.])
112 MAKEINFO_EXTRA_FLAGS=""
113 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
114 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
115 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
116 gdb_cv_have_makeinfo_click=yes
118 gdb_cv_have_makeinfo_click=no
120 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
121 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
123 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
125 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
126 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
129 # We can't pass paths as command line arguments.
130 # Mingw32 tries to be clever and will convert the paths for us.
131 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
132 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
133 # This breaks GDB's relocatable path conversions since paths passed in
134 # config.h would not get so translated, the path prefixes no longer match.
135 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
137 # GDB's datadir relocation
139 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
140 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
143 AC_ARG_WITH(relocated-sources,
144 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
145 [reloc_srcdir="${withval}"
146 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
147 [Relocated directory for source files. ])
150 AC_MSG_CHECKING([for default auto-load directory])
151 AC_ARG_WITH(auto-load-dir,
152 AS_HELP_STRING([--with-auto-load-dir=PATH],
153 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
154 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
155 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
156 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
157 [Directories from which to load auto-loaded scripts.])
158 AC_MSG_RESULT([$with_auto_load_dir])
160 AC_MSG_CHECKING([for default auto-load safe-path])
161 AC_ARG_WITH(auto-load-safe-path,
162 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
163 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
164 AS_HELP_STRING([--without-auto-load-safe-path],
165 [do not restrict auto-loaded files locations]),
166 [if test "$with_auto_load_safe_path" = "no"; then
167 with_auto_load_safe_path="/"
169 [with_auto_load_safe_path="$with_auto_load_dir"])
170 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
171 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
172 [Directories safe to hold auto-loaded files.])
173 AC_MSG_RESULT([$with_auto_load_safe_path])
175 AC_CONFIG_SUBDIRS(testsuite)
177 # Check whether to support alternative target configurations
178 AC_ARG_ENABLE(targets,
179 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
180 [case "${enableval}" in
181 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
183 no) enable_targets= ;;
184 *) enable_targets=$enableval ;;
187 # Check whether to enable 64-bit support on 32-bit hosts
188 AC_ARG_ENABLE(64-bit-bfd,
189 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
190 [case "${enableval}" in
193 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
194 esac],[want64=false])dnl
196 # Provide defaults for some variables set by the per-host and per-target
198 gdb_host_obs=posix-hdep.o
200 if test "${target}" = "${host}"; then
206 . $srcdir/configure.host
208 # Accumulate some settings from configure.tgt over all enabled targets
212 HAVE_NATIVE_GCORE_TARGET=
214 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
216 if test "$targ_alias" = "all"; then
219 # Canonicalize the secondary target names.
220 result=`$ac_config_sub $targ_alias 2>/dev/null`
221 if test -n "$result"; then
227 . ${srcdir}/configure.tgt
229 AS_IF([test -z "${gdb_target_obs}"],
230 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
232 # Target-specific object files
233 for i in ${gdb_target_obs}; do
234 case " $TARGET_OBS " in
237 TARGET_OBS="$TARGET_OBS ${i}"
242 # Check whether this target needs 64-bit CORE_ADDR
243 if test x${want64} = xfalse; then
244 . ${srcdir}/../bfd/config.bfd
247 # Check whether this target is native and supports gcore.
248 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
249 && $gdb_have_gcore; then
250 HAVE_NATIVE_GCORE_TARGET=1
255 if test x${all_targets} = xtrue; then
257 # We want all 64-bit targets if we either:
258 # - run on a 64-bit host or
259 # - already require 64-bit support for some other target or
260 # - the --enable-64-bit-bfd option was supplied
261 # Otherwise we only support all 32-bit targets.
263 # NOTE: This test must be in sync with the corresponding
266 if test x${want64} = xfalse; then
267 AC_CHECK_SIZEOF(long)
268 if test "x${ac_cv_sizeof_long}" = "x8"; then
272 if test x${want64} = xtrue; then
273 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
275 TARGET_OBS='$(ALL_TARGET_OBS)'
280 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
282 # For other settings, only the main target counts.
286 targ=$target; . ${srcdir}/configure.tgt
288 # Fetch the default architecture and default target vector from BFD.
289 targ=$target; . $srcdir/../bfd/config.bfd
291 # We only want the first architecture, so strip off the others if
292 # there is more than one.
293 targ_archs=`echo $targ_archs | sed 's/ .*//'`
295 if test "x$targ_archs" != x; then
296 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
297 [Define to BFD's default architecture. ])
299 if test "x$targ_defvec" != x; then
300 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
301 [Define to BFD's default target vector. ])
304 # The CLI cannot be disabled yet, but may be in the future.
307 AC_ARG_ENABLE(gdbcli,
308 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
313 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
315 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
318 if test x"$enable_gdbcli" = xyes; then
319 if test -d $srcdir/cli; then
320 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
321 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
322 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
323 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
329 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
334 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
337 if test x"$enable_gdbmi" = xyes; then
338 if test -d $srcdir/mi; then
339 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
340 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
341 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
342 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
348 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
353 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
354 esac],enable_tui=auto)
358 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
363 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
365 [if test -d $srcdir/gdbtk; then
370 # We unconditionally disable gdbtk tests on selected platforms.
373 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
377 # Libunwind support for ia64.
379 AC_ARG_WITH(libunwind-ia64,
380 AS_HELP_STRING([--with-libunwind-ia64],
381 [use libunwind frame unwinding for ia64 targets]),,
382 [with_libunwind_ia64=auto])
384 # Backward compatibility option.
385 if test "${with_libunwind+set}" = set; then
386 if test x"$with_libunwind_ia64" != xauto; then
388 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
390 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
391 with_libunwind_ia64="$with_libunwind"
394 case "$with_libunwind_ia64" in
398 AC_CHECK_HEADERS(libunwind-ia64.h)
399 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
403 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
407 if test x"$with_libunwind_ia64" = xyes; then
408 AC_CHECK_HEADERS(libunwind-ia64.h)
409 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
410 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
412 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
413 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
414 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
418 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
421 if test "$opt_curses" = "yes"; then
426 AC_ARG_ENABLE(profiling,
427 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
432 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
434 [enable_profiling=no])
436 AC_CHECK_FUNCS(monstartup _mcleanup)
437 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
442 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
443 if test $ac_cv_var__etext = yes; then
444 AC_DEFINE(HAVE__ETEXT, 1,
445 [Define to 1 if your system has the _etext variable. ])
447 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
452 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
453 if test $ac_cv_var_etext = yes; then
454 AC_DEFINE(HAVE_ETEXT, 1,
455 [Define to 1 if your system has the etext variable. ])
457 if test "$enable_profiling" = yes ; then
458 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
459 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
463 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
465 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
466 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
467 ac_cv_cc_supports_pg=no)])
469 if test $ac_cv_cc_supports_pg = no; then
470 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
476 ACX_PKGVERSION([GDB])
477 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
478 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
479 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
481 # --------------------- #
482 # Checks for programs. #
483 # --------------------- #
491 AC_CHECK_TOOL(AR, ar)
492 AC_CHECK_TOOL(DLLTOOL, dlltool)
493 AC_CHECK_TOOL(WINDRES, windres)
497 # Needed for GNU Hurd hosts.
498 AC_CHECK_TOOL(MIG, mig)
499 if test x"$MIG" = x; then
500 AC_MSG_ERROR([MIG not found but required for $host hosts])
505 # ---------------------- #
506 # Checks for libraries. #
507 # ---------------------- #
509 # We might need to link with -lm; most simulators need it.
510 AC_CHECK_LIB(m, main)
512 # We need to link with -lw to get `wctype' on Solaris before Solaris
513 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
514 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
515 # is known to have this problem). Therefore we avoid libw if we can.
516 AC_CHECK_FUNC(wctype, [],
517 [AC_CHECK_LIB(w, wctype)])
519 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
520 AC_SEARCH_LIBS(gethostbyname, nsl)
522 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
523 AC_SEARCH_LIBS(socketpair, socket)
525 # Link in zlib if we can. This allows us to read compressed debug sections.
528 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
529 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
533 # GDB may fork/exec the iconv program to get the list of supported character
534 # sets. Allow the user to specify where to find it.
535 # There are several factors affecting the choice of option name:
536 # - There is already --with-libiconv-prefix but we can't use it, it specifies
537 # the build-time location of libiconv files.
538 # - The program we need to find is iconv, which comes with glibc. The user
539 # doesn't necessarily have libiconv installed. Therefore naming this
540 # --with-libiconv-foo feels wrong.
541 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
542 # defined to work on directories not files (though it really doesn't know
544 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
545 # with --with-libiconv-prefix.
546 # Putting these together is why the option name is --with-iconv-bin.
548 AC_ARG_WITH(iconv-bin,
549 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
550 [iconv_bin="${withval}"
551 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
552 [Path of directory of iconv program.])
553 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
556 # For the TUI, we need enhanced curses functionality.
557 if test x"$enable_tui" != xno; then
562 if test x"$prefer_curses" = xyes; then
563 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
564 # curses library because the latter might not provide all the
565 # functionality we need. However, this leads to problems on systems
566 # where the linker searches /usr/local/lib, but the compiler doesn't
567 # search /usr/local/include, if ncurses is installed in /usr/local. A
568 # default installation of ncurses on alpha*-dec-osf* will lead to such
570 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
572 if test "$ac_cv_search_waddstr" != no; then
577 # Check whether we should enable the TUI, but only do so if we really
579 if test x"$enable_tui" != xno; then
580 if test -d $srcdir/tui; then
581 if test "$curses_found" != no; then
582 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
583 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
584 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
585 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
587 if test x"$enable_tui" = xyes; then
588 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
590 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
596 # Since GDB uses Readline, we need termcap functionality. In many
597 # cases this will be provided by the curses library, but some systems
598 # have a seperate termcap library, or no curses library at all.
602 if test -d $srcdir/libtermcap; then
603 LIBS="../libtermcap/libtermcap.a $LIBS"
604 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
607 ac_cv_search_tgetent="none required"
610 ac_cv_search_tgetent="none required"
611 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
615 # These are the libraries checked by Readline.
616 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
618 if test "$ac_cv_search_tgetent" = no; then
619 AC_MSG_ERROR([no termcap library found])
622 AC_ARG_WITH([system-readline],
623 [AS_HELP_STRING([--with-system-readline],
624 [use installed readline library])])
626 if test "$with_system_readline" = yes; then
630 READLINE_TEXI_INCFLAG=
632 READLINE='$(READLINE_DIR)/libreadline.a'
633 READLINE_DEPS='$(READLINE)'
634 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
635 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
638 AC_SUBST(READLINE_DEPS)
639 AC_SUBST(READLINE_CFLAGS)
640 AC_SUBST(READLINE_TEXI_INCFLAG)
642 # Generate jit-reader.h
644 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
647 AC_CHECK_SIZEOF(unsigned long long)
648 AC_CHECK_SIZEOF(unsigned long)
649 AC_CHECK_SIZEOF(unsigned __int128)
651 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
652 TARGET_PTR="unsigned long"
653 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
654 TARGET_PTR="unsigned long long"
655 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
656 TARGET_PTR="unsigned __int128"
658 TARGET_PTR="unsigned long"
662 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
664 AC_SEARCH_LIBS(dlopen, dl)
666 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
667 [directory to load the JIT readers from],
671 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
672 [], [with_expat=auto])
673 AC_MSG_CHECKING([whether to use expat])
674 AC_MSG_RESULT([$with_expat])
676 if test "${with_expat}" = no; then
677 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
680 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
681 [XML_Parser p = XML_ParserCreate (0);])
682 if test "$HAVE_LIBEXPAT" != yes; then
683 if test "$with_expat" = yes; then
684 AC_MSG_ERROR([expat is missing or unusable])
686 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
690 LIBS="$LIBS $LIBEXPAT"
691 AC_CHECK_FUNCS(XML_StopParser)
696 # --------------------- #
697 # Check for libpython. #
698 # --------------------- #
700 dnl Utility to simplify finding libpython.
702 dnl $2 = the shell variable to assign the result to
703 dnl If libpython is found we store $version here.
704 dnl $3 = additional flags to add to CPPFLAGS
705 dnl $4 = additional flags to add to LIBS
707 AC_DEFUN([AC_TRY_LIBPYTHON],
710 define([have_libpython_var],$2)
713 AC_MSG_CHECKING([for ${version}])
714 save_CPPFLAGS=$CPPFLAGS
716 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
717 LIBS="$LIBS $new_LIBS"
718 found_usable_python=no
719 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
720 [[Py_Initialize ();]]),
721 [have_libpython_var=${version}
722 found_usable_python=yes
723 PYTHON_CPPFLAGS=$new_CPPFLAGS
724 PYTHON_LIBS=$new_LIBS])
725 CPPFLAGS=$save_CPPFLAGS
727 AC_MSG_RESULT([${found_usable_python}])
730 dnl There are several different values for --with-python:
732 dnl no - Don't include python support.
733 dnl yes - Include python support, error if it's missing.
734 dnl If we find python in $PATH, use it to fetch configure options,
735 dnl otherwise assume the compiler can find it with no help from us.
736 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
737 dnl auto - Same as "yes", but if python is missing from the system,
738 dnl fall back to "no".
739 dnl /path/to/python/exec-prefix -
740 dnl Use the python located in this directory.
741 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
742 dnl the compilation parameters. Otherwise use
743 dnl -I/path/to/python/exec-prefix/include,
744 dnl -L/path/to/python/exec-prefix/lib.
745 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
746 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
747 dnl but is deprecated.
748 dnl /path/to/python/executable -
749 dnl Run python-config.py with this version of python to fetch the
750 dnl compilation parameters.
751 dnl NOTE: This needn't be the real python executable.
752 dnl In a cross-compilation scenario (build != host), this could be
753 dnl a shell script that provides what python-config.py provides for
754 dnl --ldflags, --includes, --exec-prefix.
755 dnl python-executable -
756 dnl Find python-executable in $PATH, and then handle the same as
757 dnl /path/to/python/executable.
759 dnl If a python program is specified, it is used to run python-config.py and
760 dnl is passed --ldflags, --includes, --exec-prefix.
763 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
764 [], [with_python=auto])
765 AC_MSG_CHECKING([whether to use python])
766 AC_MSG_RESULT([$with_python])
768 if test "${with_python}" = no; then
769 AC_MSG_WARN([python support disabled; some features may be unavailable.])
772 case "${with_python}" in
773 [[\\/]]* | ?:[[\\/]]*)
774 if test -d ${with_python}; then
775 # Assume the python binary is ${with_python}/bin/python.
776 python_prog="${with_python}/bin/python"
778 # If python does not exit ${with_python}/bin, then try in
779 # ${with_python}. On Windows/MinGW, this is where the Python
781 if test ! -x "${python_prog}"; then
782 python_prog="${with_python}/python"
785 if test ! -x "${python_prog}"; then
786 # Fall back to gdb 7.0/7.1 behaviour.
788 python_prefix=${with_python}
790 elif test -x "${with_python}"; then
791 # While we can't run python compiled for $host (unless host == build),
792 # the user could write a script that provides the needed information,
793 # so we support that.
794 python_prog=${with_python}
797 AC_ERROR(invalid value for --with-python)
801 # Disallow --with-python=foo/bar.
802 AC_ERROR(invalid value for --with-python)
805 # The user has either specified auto, yes, or the name of the python
806 # program assumed to be in $PATH.
808 case "${with_python}" in
810 if test ${build} = ${host}; then
811 AC_PATH_PROG(python_prog_path, python, missing)
812 if test "${python_prog_path}" = missing; then
815 python_prog=${python_prog_path}
818 # Not much we can do except assume the cross-compiler will find the
824 # While we can't run python compiled for $host (unless host == build),
825 # the user could write a script that provides the needed information,
826 # so we support that.
827 python_prog="${with_python}"
828 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
829 if test "${python_prog_path}" = missing; then
830 AC_ERROR(unable to find python program ${python_prog})
836 if test "${python_prog}" != missing; then
837 # We have a python program to use, but it may be too old.
838 # Don't flag an error for --with-python=auto (the default).
839 have_python_config=yes
840 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
841 if test $? != 0; then
842 have_python_config=failed
843 if test "${with_python}" != auto; then
844 AC_ERROR(failure running python-config --includes)
847 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
848 if test $? != 0; then
849 have_python_config=failed
850 if test "${with_python}" != auto; then
851 AC_ERROR(failure running python-config --ldflags)
854 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
855 if test $? != 0; then
856 have_python_config=failed
857 if test "${with_python}" != auto; then
858 AC_ERROR(failure running python-config --exec-prefix)
862 # We do not have a python executable we can use to determine where
863 # to find the Python headers and libs. We cannot guess the include
864 # path from the python_prefix either, because that include path
865 # depends on the Python version. So, there is nothing much we can
866 # do except assume that the compiler will be able to find those files.
869 have_python_config=no
872 # If we have python-config, only try the configuration it provides.
873 # Otherwise fallback on the old way of trying different versions of
877 if test "${have_python_config}" = yes; then
878 # Determine the Python version by extracting "-lpython<version>"
879 # part of the python_libs. <version> is usually X.Y with X and Y
880 # being decimal numbers, but can also be XY (seen on Windows).
882 # The extraction is performed using sed with a regular expression.
883 # Initially, the regexp used was using the '?' quantifier to make
884 # the dot in the version number optional. Unfortunately, this
885 # does not work with non-GNU versions of sed because, because of
886 # what looks like a limitation (the '?' quantifier does not work
887 # with back-references). We work around this limitation by using
888 # the '*' quantifier instead. It means that, in theory, we might
889 # match unexpected version strings such as "-lpython2..7", but
890 # this seems unlikely in practice. And even if that happens,
891 # an error will be triggered later on, when checking that version
893 python_version=`echo " ${python_libs} " \
894 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
895 case "${python_version}" in
897 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
898 ${python_includes}, ${python_libs})
901 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
904 elif test "${have_python_config}" != failed; then
905 if test "${have_libpython}" = no; then
906 AC_TRY_LIBPYTHON(python2.7, have_libpython,
907 ${python_includes}, "${python_libs} -lpython2.7")
909 if test "${have_libpython}" = no; then
910 AC_TRY_LIBPYTHON(python2.6, have_libpython,
911 ${python_includes}, "${python_libs} -lpython2.6")
913 if test ${have_libpython} = no; then
914 AC_TRY_LIBPYTHON(python2.5, have_libpython,
915 ${python_includes}, "${python_libs} -lpython2.5")
917 if test ${have_libpython} = no; then
918 AC_TRY_LIBPYTHON(python2.4, have_libpython,
919 ${python_includes}, "${python_libs} -lpython2.4")
922 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
923 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
924 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
925 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
926 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
927 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
928 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
929 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
932 if test "${have_libpython}" = no; then
933 case "${with_python}" in
935 AC_MSG_ERROR([python is missing or unusable])
938 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
941 AC_MSG_ERROR([no usable python found at ${with_python}])
945 if test -n "${python_prefix}"; then
946 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
947 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
948 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
953 if test "${have_libpython}" != no; then
954 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
955 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
956 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
957 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
958 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
959 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
961 # Flags needed to compile Python code (taken from python-config --cflags).
962 # We cannot call python-config directly because it will output whatever was
963 # used when compiling the Python interpreter itself, including flags which
964 # would make the python-related objects be compiled differently from the
965 # rest of GDB (e.g., -O2 and -fPIC).
966 if test "${GCC}" = yes; then
967 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
970 if test "x${tentative_python_cflags}" != x; then
971 AC_MSG_CHECKING(compiler flags for python code)
972 for flag in ${tentative_python_cflags}; do
973 # Check that the compiler accepts it
974 saved_CFLAGS="$CFLAGS"
975 CFLAGS="$CFLAGS $flag"
976 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
977 CFLAGS="$saved_CFLAGS"
979 AC_MSG_RESULT(${PYTHON_CFLAGS})
982 # On x64 Windows, Python's include headers, and pyconfig.h in
983 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
984 # version of Windows. Unfortunately, MS_WIN64 is only defined if
985 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
986 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
987 # The issue was reported to the Python community, but still isn't
988 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
992 if test "${GCC}" = yes; then
993 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
998 # Note that "python -m threading" cannot be used to check for
999 # threading support due to a bug in Python 2.7.3
1000 # (http://bugs.python.org/issue15567).
1001 AC_MSG_CHECKING(whether python supports threads)
1002 saved_CPPFLAGS="${CPPFLAGS}"
1003 CPPFLAGS="${PYTHON_CPPFLAGS}"
1004 # Note that the test is reversed so that python_has_threads=yes on
1005 # unexpected failures.
1006 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1011 ]]), [python_has_threads=no], [python_has_threads=yes])
1012 AC_MSG_RESULT(${python_has_threads})
1013 CPPFLAGS="${saved_CPPFLAGS}"
1015 # Even if Python support is not compiled in, we need to have this file
1016 # included so that the "python" command, et.al., still exists.
1017 CONFIG_OBS="$CONFIG_OBS python.o"
1018 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1020 AC_SUBST(PYTHON_CFLAGS)
1021 AC_SUBST(PYTHON_CPPFLAGS)
1022 AC_SUBST(PYTHON_LIBS)
1023 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1025 # -------------------- #
1026 # Check for libguile. #
1027 # -------------------- #
1029 dnl Utility to simplify finding libguile.
1030 dnl $1 = pkg-config-program
1031 dnl $2 = space-separate list of guile versions to try
1032 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1033 dnl $4 = the shell variable to assign the result to
1034 dnl If libguile is found we store "yes" here.
1036 AC_DEFUN([AC_TRY_LIBGUILE],
1039 guile_version_list=$2
1041 define([have_libguile_var],$4)
1042 found_usable_guile=checking
1043 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1044 for guile_version in ${guile_version_list}; do
1045 ${pkg_config} --exists ${guile_version} 2>/dev/null
1046 if test $? != 0; then
1049 dnl pkg-config says the package exists, so if we get an error now,
1051 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1052 if test $? != 0; then
1053 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1055 new_LIBS=`${pkg_config} --libs ${guile_version}`
1056 if test $? != 0; then
1057 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1059 dnl If we get this far, great.
1060 found_usable_guile=${guile_version}
1063 if test "${found_usable_guile}" = "checking"; then
1064 if test "${flag_errors}" = "yes"; then
1065 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1067 found_usable_guile=no
1070 dnl One final sanity check.
1071 dnl The user could have said --with-guile=python-2.7.
1072 if test "${found_usable_guile}" != no; then
1073 save_CPPFLAGS=$CPPFLAGS
1075 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1076 LIBS="$LIBS $new_LIBS"
1077 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1078 [[scm_init_guile ();]]),
1079 [have_libguile_var=yes
1080 GUILE_CPPFLAGS=$new_CPPFLAGS
1081 GUILE_LIBS=$new_LIBS],
1082 [found_usable_guile=no])
1083 CPPFLAGS=$save_CPPFLAGS
1085 if test "${found_usable_guile}" = no; then
1086 if test "${flag_errors}" = yes; then
1087 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1091 AC_MSG_RESULT([${found_usable_guile}])
1094 dnl There are several different values for --with-guile:
1096 dnl no - Don't include guile support.
1097 dnl yes - Include guile support, error if it's missing.
1098 dnl The pkg-config program must be in $PATH.
1099 dnl auto - Same as "yes", but if guile is missing from the system,
1100 dnl fall back to "no".
1101 dnl guile-version [guile-version-choice-2 ...] -
1102 dnl A space-separated list of guile package versions to try.
1103 dnl These are passed to pkg-config as-is.
1104 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1105 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1106 dnl /path/to/pkg-config -
1107 dnl Use this pkg-config program.
1108 dnl NOTE: This needn't be the "real" pkg-config program.
1109 dnl It could be a shell script. It is invoked as:
1110 dnl pkg-config --exists $version
1111 dnl pkg-config --cflags $version
1112 dnl pkg-config --libs $version
1113 dnl pkg-config --variable guild $version
1114 dnl The script will be called with $version having each value in
1115 dnl $try_guile_versions until --exists indicates success.
1118 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1119 [], [with_guile=auto])
1120 AC_MSG_CHECKING([whether to use guile])
1121 AC_MSG_RESULT([$with_guile])
1123 dnl We check guile with pkg-config.
1124 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1126 try_guile_versions="guile-2.2 guile-2.0"
1128 case "${with_guile}" in
1130 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1133 if test "${pkg_config_prog_path}" = "missing"; then
1134 AC_MSG_WARN([pkg-config not found, guile support disabled])
1136 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1140 if test "${pkg_config_prog_path}" = "missing"; then
1141 AC_MSG_ERROR([pkg-config not found])
1143 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1145 [[\\/]]* | ?:[[\\/]]*)
1146 if test -x "${with_guile}"; then
1147 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1149 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1153 # Disallow --with=guile="" and --with-guile=foo/bar.
1154 AC_MSG_ERROR([invalid value for --with-guile])
1157 # A space separate list of guile versions to try, in order.
1158 if test "${pkg_config_prog_path}" = "missing"; then
1159 AC_MSG_ERROR([pkg-config not found])
1161 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1165 if test "${have_libguile}" != no; then
1166 dnl Get the name of the 'guild' program.
1167 case "${with_guile}" in
1168 [[\\/]]* | ?:[[\\/]]*)
1169 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1172 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1176 dnl Make sure guild can handle this host.
1177 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1178 dnl If not, disable guile support.
1179 if test "$ac_cv_guild_ok" = no; then
1181 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1185 if test "${have_libguile}" != no; then
1186 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1187 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1188 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1189 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1190 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1191 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1193 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1195 save_CPPFLAGS="$CPPFLAGS"
1197 CPPFLAGS="$GUILE_CPPFLAGS"
1198 AC_CHECK_FUNCS([scm_new_smob])
1200 CPPFLAGS="$save_CPPFLAGS"
1202 # Even if Guile support is not compiled in, we need to have these files
1204 CONFIG_OBS="$CONFIG_OBS guile.o"
1205 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1207 AC_SUBST(GUILE_CPPFLAGS)
1208 AC_SUBST(GUILE_LIBS)
1209 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1211 # --------------------- #
1212 # Check for libmcheck. #
1213 # --------------------- #
1215 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1216 # but turn it off if Python is enabled with threads, since -lmcheck is
1217 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1219 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1220 && $development; then
1221 libmcheck_default=yes
1223 libmcheck_default=no
1225 GDB_AC_LIBMCHECK(${libmcheck_default})
1227 if test "$ENABLE_LIBMCHECK" = "yes" \
1228 -a "${have_libpython}" != "no" \
1229 -a "${python_has_threads}" = "yes" ; then
1230 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1233 # ------------------------- #
1234 # Checks for header files. #
1235 # ------------------------- #
1238 # elf_hp.h is for HP/UX 64-bit shared library support.
1239 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1242 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1243 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1244 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1245 termios.h termio.h \
1248 AC_CHECK_HEADERS(sys/proc.h, [], [],
1249 [#if HAVE_SYS_PARAM_H
1250 # include <sys/param.h>
1253 AC_CHECK_HEADERS(sys/user.h, [], [],
1254 [#if HAVE_SYS_PARAM_H
1255 # include <sys/param.h>
1259 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1260 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1261 # think that we don't have <curses.h> if we're using GCC.
1264 if test "$GCC" = yes; then
1265 AC_DEFINE(_MSE_INT_H, 1,
1266 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1267 Solaris 2.[789] when using GCC. ])
1270 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1271 AC_CHECK_HEADERS(term.h, [], [],
1273 # include <curses.h>
1277 # ------------------------- #
1278 # Checks for declarations. #
1279 # ------------------------- #
1281 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1284 # ----------------------- #
1285 # Checks for structures. #
1286 # ----------------------- #
1288 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1290 # ------------------ #
1291 # Checks for types. #
1292 # ------------------ #
1295 AC_CHECK_TYPES(socklen_t, [], [],
1296 [#include <sys/types.h>
1297 #include <sys/socket.h>
1300 # ------------------------------------- #
1301 # Checks for compiler characteristics. #
1302 # ------------------------------------- #
1308 # ------------------------------ #
1309 # Checks for library functions. #
1310 # ------------------------------ #
1314 AC_CHECK_FUNCS([getrusage getuid getgid \
1315 pipe poll pread pread64 pwrite resize_term \
1316 sbrk setpgid setpgrp setsid \
1317 sigaction sigprocmask sigsetmask socketpair \
1318 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1319 setrlimit getrlimit posix_madvise waitpid \
1320 ptrace64 sigaltstack mkdtemp])
1324 # Check the return and argument types of ptrace. No canned test for
1325 # this, so roll our own.
1326 gdb_ptrace_headers='
1327 #include <sys/types.h>
1328 #if HAVE_SYS_PTRACE_H
1329 # include <sys/ptrace.h>
1332 # include <unistd.h>
1335 # There is no point in checking if we don't have a prototype.
1336 AC_CHECK_DECLS(ptrace, [], [
1337 : ${gdb_cv_func_ptrace_ret='int'}
1338 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1339 ], $gdb_ptrace_headers)
1340 # Check return type. Varargs (used on GNU/Linux) conflict with the
1341 # empty argument list, so check for that explicitly.
1342 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1343 AC_TRY_COMPILE($gdb_ptrace_headers,
1344 [extern long ptrace (enum __ptrace_request, ...);],
1345 gdb_cv_func_ptrace_ret='long',
1346 AC_TRY_COMPILE($gdb_ptrace_headers,
1347 [extern int ptrace ();],
1348 gdb_cv_func_ptrace_ret='int',
1349 gdb_cv_func_ptrace_ret='long')))
1350 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1351 [Define as the return type of ptrace.])
1352 # Check argument types.
1353 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1354 AC_TRY_COMPILE($gdb_ptrace_headers,
1355 [extern long ptrace (enum __ptrace_request, ...);],
1356 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1357 for gdb_arg1 in 'int' 'long'; do
1358 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1359 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1360 for gdb_arg4 in 'int' 'long' 'void *'; do
1361 AC_TRY_COMPILE($gdb_ptrace_headers, [
1362 extern $gdb_cv_func_ptrace_ret
1363 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1364 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1366 for gdb_arg5 in 'int *' 'int' 'long'; do
1367 AC_TRY_COMPILE($gdb_ptrace_headers, [
1368 extern $gdb_cv_func_ptrace_ret
1369 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1371 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1378 # Provide a safe default value.
1379 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1381 ac_save_IFS=$IFS; IFS=','
1382 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1385 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1386 [Define to the type of arg 3 for ptrace.])
1387 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4],
1388 [Define to the type of arg 4 for ptrace.])
1389 if test -n "$[5]"; then
1390 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1391 [Define to the type of arg 5 for ptrace.])
1394 dnl AC_FUNC_SETPGRP does not work when cross compiling
1395 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1396 if test "$cross_compiling" = no; then
1399 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1403 if (setpgrp(1,1) == -1)
1407 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1408 if test $ac_cv_func_setpgrp_void = yes; then
1409 AC_DEFINE(SETPGRP_VOID, 1)
1413 # Assume we'll default to using the included libiberty regex.
1414 gdb_use_included_regex=yes
1416 # However, if the system regex is GNU regex, then default to *not*
1417 # using the included regex.
1420 [gdb_cv_have_gnu_regex],
1422 [#include <gnu-versions.h>],
1423 [#define REGEX_INTERFACE_VERSION 1
1424 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1425 # error "Version mismatch"
1427 gdb_cv_have_gnu_regex=yes,
1428 gdb_cv_have_gnu_regex=no)])
1429 if test $gdb_cv_have_gnu_regex = yes; then
1430 gdb_use_included_regex=no
1433 AC_ARG_WITH(included-regex,
1434 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1435 gdb_with_regex=$withval,
1436 gdb_with_regex=$gdb_use_included_regex)
1437 if test "$gdb_with_regex" = yes; then
1438 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1439 [Define to 1 if the regex included in libiberty should be used.])
1442 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1443 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1444 [#include <sys/param.h>
1445 #include <sys/proc.h>
1448 # See if <sys/lwp.h> defines `struct lwp`.
1449 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1450 [AC_TRY_COMPILE([#include <sys/param.h>
1451 #include <sys/lwp.h>], [struct lwp l;],
1452 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1453 if test $gdb_cv_struct_lwp = yes; then
1454 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1455 [Define to 1 if your system has struct lwp.])
1458 # See if <machine/reg.h> degines `struct reg'.
1459 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1460 [AC_TRY_COMPILE([#include <sys/types.h>
1461 #include <machine/reg.h>], [struct reg r;],
1462 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1463 if test $gdb_cv_struct_reg = yes; then
1464 AC_DEFINE(HAVE_STRUCT_REG, 1,
1465 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1468 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1469 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1470 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1471 [#include <machine/reg.h>])
1473 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1474 # Older amd64 Linux's don't have the fs_base and gs_base members of
1475 # `struct user_regs_struct'.
1476 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1477 [], [], [#include <sys/user.h>])
1479 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1480 AC_MSG_CHECKING(for PTRACE_GETREGS)
1481 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1482 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1484 [gdb_cv_have_ptrace_getregs=yes],
1485 [gdb_cv_have_ptrace_getregs=no])])
1486 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1487 if test $gdb_cv_have_ptrace_getregs = yes; then
1488 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1489 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1492 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1493 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1494 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1495 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1496 [PTRACE_GETFPXREGS;],
1497 [gdb_cv_have_ptrace_getfpxregs=yes],
1498 [gdb_cv_have_ptrace_getfpxregs=no])])
1499 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1500 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1501 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1502 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1505 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1506 AC_MSG_CHECKING(for PT_GETDBREGS)
1507 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1508 [AC_TRY_COMPILE([#include <sys/types.h>
1509 #include <sys/ptrace.h>],
1511 [gdb_cv_have_pt_getdbregs=yes],
1512 [gdb_cv_have_pt_getdbregs=no])])
1513 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1514 if test $gdb_cv_have_pt_getdbregs = yes; then
1515 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1516 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1519 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1520 AC_MSG_CHECKING(for PT_GETXMMREGS)
1521 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1522 [AC_TRY_COMPILE([#include <sys/types.h>
1523 #include <sys/ptrace.h>],
1525 [gdb_cv_have_pt_getxmmregs=yes],
1526 [gdb_cv_have_pt_getxmmregs=no])])
1527 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1528 if test $gdb_cv_have_pt_getxmmregs = yes; then
1529 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1530 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1533 # Detect which type of /proc is in use, such as for Solaris.
1535 if test "${target}" = "${host}"; then
1537 *-*-sysv4.2* | *-*-sysv5* )
1538 AC_DEFINE(NEW_PROC_API, 1,
1539 [Define if you want to use new multi-fd /proc interface.])
1541 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1542 AC_DEFINE(NEW_PROC_API, 1,
1543 [Define if you want to use new multi-fd /proc interface.])
1546 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1547 AC_DEFINE([_KMEMUSER], 1,
1548 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1549 around a <sys/proc.h> problem on IRIX 5.])
1554 if test "$ac_cv_header_sys_procfs_h" = yes; then
1555 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1556 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1557 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1558 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1559 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1560 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1561 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1562 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1563 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1564 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1565 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1568 dnl Check for broken prfpregset_t type
1570 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1571 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1572 dnl instead of the struct itself). We detect this here, and work
1573 dnl around it in gdb_proc_service.h.
1575 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1576 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1577 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1578 [AC_TRY_RUN([#include <sys/procfs.h>
1581 if (sizeof (prfpregset_t) == sizeof (void *))
1585 gdb_cv_prfpregset_t_broken=no,
1586 gdb_cv_prfpregset_t_broken=yes,
1587 gdb_cv_prfpregset_t_broken=yes)])
1588 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1589 if test $gdb_cv_prfpregset_t_broken = yes; then
1590 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1591 [Define if the prfpregset_t type is broken.])
1596 # Check if the compiler supports the `long long' type.
1598 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1599 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1600 [[extern long long foo;]],
1601 [[switch (foo & 2) { case 0: return 1; }]])],
1602 gdb_cv_c_long_long=yes,
1603 gdb_cv_c_long_long=no)])
1604 if test $gdb_cv_c_long_long != yes; then
1605 # libdecnumber requires long long.
1606 AC_MSG_ERROR([Compiler must support long long for GDB.])
1609 # Check if the compiler and runtime support printing long longs.
1611 AC_CACHE_CHECK([for long long support in printf],
1612 gdb_cv_printf_has_long_long,
1613 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1616 l = (l << 16) + 0x0123;
1617 l = (l << 16) + 0x4567;
1618 l = (l << 16) + 0x89ab;
1619 l = (l << 16) + 0xcdef;
1620 sprintf (buf, "0x%016llx", l);
1621 return (strcmp ("0x0123456789abcdef", buf));]])],
1622 gdb_cv_printf_has_long_long=yes,
1623 gdb_cv_printf_has_long_long=no,
1624 gdb_cv_printf_has_long_long=no)])
1625 if test $gdb_cv_printf_has_long_long = yes; then
1626 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1627 [Define to 1 if the "%ll" format works to print long longs.])
1630 # Check if the compiler and runtime support printing decfloats.
1632 AC_CACHE_CHECK([for decfloat support in printf],
1633 gdb_cv_printf_has_decfloat,
1634 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1636 _Decimal32 d32 = 1.2345df;
1637 _Decimal64 d64 = 1.2345dd;
1638 _Decimal128 d128 = 1.2345dl;
1639 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1640 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1641 gdb_cv_printf_has_decfloat=yes,
1642 gdb_cv_printf_has_decfloat=no,
1643 gdb_cv_printf_has_decfloat=no)])
1644 if test $gdb_cv_printf_has_decfloat = yes; then
1645 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1646 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1649 # Check if the compiler supports the `long double' type. We can't use
1650 # AC_C_LONG_DOUBLE because that one does additional checks on the
1651 # constants defined in <float.h> that fail on some systems,
1652 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1654 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1655 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1656 gdb_cv_c_long_double=yes,
1657 gdb_cv_c_long_double=no)])
1658 if test $gdb_cv_c_long_double = yes; then
1659 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1660 [Define to 1 if the compiler supports long double.])
1663 # Check if the compiler and runtime support printing long doubles.
1665 AC_CACHE_CHECK([for long double support in printf],
1666 gdb_cv_printf_has_long_double,
1667 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1669 long double f = 3.141592653;
1670 sprintf (buf, "%Lg", f);
1671 return (strncmp ("3.14159", buf, 7));]])],
1672 gdb_cv_printf_has_long_double=yes,
1673 gdb_cv_printf_has_long_double=no,
1674 gdb_cv_printf_has_long_double=no)])
1675 if test $gdb_cv_printf_has_long_double = yes; then
1676 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1677 [Define to 1 if the "%Lg" format works to print long doubles.])
1680 # Check if the compiler and runtime support scanning long doubles.
1682 AC_CACHE_CHECK([for long double support in scanf],
1683 gdb_cv_scanf_has_long_double,
1684 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1685 [[#include <stdio.h>]],
1686 [[char *buf = "3.141592653";
1688 sscanf (buf, "%Lg", &f);
1689 return !(f > 3.14159 && f < 3.14160);]])],
1690 gdb_cv_scanf_has_long_double=yes,
1691 gdb_cv_scanf_has_long_double=no,
1692 gdb_cv_scanf_has_long_double=no)])
1693 if test $gdb_cv_scanf_has_long_double = yes; then
1694 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1695 [Define to 1 if the "%Lg" format works to scan long doubles.])
1700 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1701 SAVE_LDFLAGS=$LDFLAGS
1704 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1705 *) gdb_cv_bigtoc=-bbigtoc ;;
1708 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1709 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1710 LDFLAGS="${SAVE_LDFLAGS}"
1712 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1716 AC_MSG_CHECKING(for the dynamic export flag)
1718 if test "${gdb_native}" = yes; then
1719 # The dynamically loaded libthread_db needs access to symbols in the gdb
1720 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1721 # may not be supported there.
1722 old_LDFLAGS="$LDFLAGS"
1723 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1724 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1725 LDFLAGS="$LDFLAGS $RDYNAMIC"
1726 if test "${have_libpython}" = no; then
1727 AC_TRY_LINK([], [], [dynamic_list=true])
1729 # Workaround http://bugs.python.org/issue4434 where static
1730 # libpythonX.Y.a would get its symbols required for
1731 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1732 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1733 old_CFLAGS="$CFLAGS"
1734 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1736 LIBS="$LIBS $PYTHON_LIBS"
1739 [#include "]${have_libpython}[/Python.h"],
1742 err = PyRun_SimpleString ("import itertools\n");
1744 return err == 0 ? 0 : 1;]),
1745 [dynamic_list=true], [], [true])
1747 CFLAGS="$old_CFLAGS"
1749 LDFLAGS="$old_LDFLAGS"
1751 if $dynamic_list; then
1752 found="-Wl,--dynamic-list"
1753 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1756 RDYNAMIC="-rdynamic"
1759 AC_MSG_RESULT($found)
1761 dnl For certain native configurations, we need to check whether thread
1762 dnl support can be built in or not.
1764 dnl Note that we only want this if we are both native (host == target),
1765 dnl and not doing a canadian cross build (build == host).
1767 if test ${build} = ${host} -a ${host} = ${target} ; then
1770 # See if thread_db library is around for Solaris thread debugging.
1771 # Note that we must explicitly test for version 1 of the library
1772 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1774 AC_MSG_CHECKING(for Solaris thread debugging library)
1775 if test -f /usr/lib/libthread_db.so.1 ; then
1777 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1778 [Define if using Solaris thread debugging.])
1779 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1780 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1781 AC_CHECK_LIB(dl, dlopen)
1782 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1783 # Sun randomly tweaked the prototypes in <proc_service.h>
1785 AC_MSG_CHECKING(if <proc_service.h> is old)
1786 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1788 #include <proc_service.h>
1790 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1791 ],, gdb_cv_proc_service_is_old=no,
1792 gdb_cv_proc_service_is_old=yes)
1794 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1795 if test $gdb_cv_proc_service_is_old = yes; then
1796 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1797 [Define if <proc_service.h> on solaris uses int instead of
1798 size_t, and assorted other type changes.])
1805 AC_MSG_CHECKING(for AiX thread debugging library)
1806 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1807 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1808 [#ifndef PTHDB_VERSION_3
1811 gdb_cv_have_aix_thread_debug=yes,
1812 gdb_cv_have_aix_thread_debug=no)])
1813 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1814 if test $gdb_cv_have_aix_thread_debug = yes; then
1815 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1816 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1817 LIBS="$LIBS -lpthdebug"
1819 # Older versions of AIX do not provide the declaration for
1820 # the getthrds function (it appears that it was introduced
1822 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1826 AC_SUBST(CONFIG_LDFLAGS)
1829 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1830 dnl other error codes.
1831 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1832 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1833 gdb_cv_thread_db_h_has_td_notalloc,
1835 [#include <thread_db.h>],
1836 [int i = TD_NOTALLOC;],
1837 gdb_cv_thread_db_h_has_td_notalloc=yes,
1838 gdb_cv_thread_db_h_has_td_notalloc=no
1841 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1842 gdb_cv_thread_db_h_has_td_version,
1844 [#include <thread_db.h>],
1845 [int i = TD_VERSION;],
1846 gdb_cv_thread_db_h_has_td_version=yes,
1847 gdb_cv_thread_db_h_has_td_version=no
1850 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1851 gdb_cv_thread_db_h_has_td_notls,
1853 [#include <thread_db.h>],
1854 [int i = TD_NOTLS;],
1855 gdb_cv_thread_db_h_has_td_notls=yes,
1856 gdb_cv_thread_db_h_has_td_notls=no
1860 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1861 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1862 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1864 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1865 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1866 [Define if <thread_db.h> has the TD_VERSION error code.])
1868 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1869 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1870 [Define if <thread_db.h> has the TD_NOTLS error code.])
1873 dnl See if we have a sys/syscall header file that has __NR_tkill.
1874 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1875 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1876 gdb_cv_sys_syscall_h_has_tkill,
1878 [#include <sys/syscall.h>],
1879 [int i = __NR_tkill;],
1880 gdb_cv_sys_syscall_h_has_tkill=yes,
1881 gdb_cv_sys_syscall_h_has_tkill=no
1885 dnl See if we can issue tkill syscall.
1886 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then
1887 AC_CHECK_FUNC(syscall,
1888 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1892 dnl Check if we can disable the virtual address space randomization.
1893 dnl The functionality of setarch -R.
1894 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1895 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1896 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1897 # define ADDR_NO_RANDOMIZE 0x0040000
1899 /* Test the flag could be set and stays set. */
1900 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1901 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1903 AC_RUN_IFELSE([PERSONALITY_TEST],
1904 [have_personality=true],
1905 [have_personality=false],
1906 [AC_LINK_IFELSE([PERSONALITY_TEST],
1907 [have_personality=true],
1908 [have_personality=false])])
1909 if $have_personality
1911 AC_DEFINE([HAVE_PERSONALITY], 1,
1912 [Define if you support the personality syscall.])
1915 dnl Set the host's .gdbinit filename.
1924 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1926 dnl Handle optional features that can be enabled.
1928 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1929 # except that the argument to --with-sysroot is optional.
1930 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1931 if test "x$with_sysroot" = xyes; then
1932 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1934 AC_ARG_WITH(sysroot,
1935 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1936 [search for usr/lib et al within DIR]),
1937 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1938 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1939 [search for usr/lib et al within DIR])
1940 AC_SUBST(TARGET_SYSTEM_ROOT)
1941 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1943 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1944 [automatically load a system-wide gdbinit file],
1947 AC_ARG_ENABLE(werror,
1948 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1949 [case "${enableval}" in
1950 yes | y) ERROR_ON_WARNING="yes" ;;
1951 no | n) ERROR_ON_WARNING="no" ;;
1952 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1955 # Enable -Werror by default when using gcc. Turn it off for releases.
1956 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
1957 ERROR_ON_WARNING=yes
1961 if test "${ERROR_ON_WARNING}" = yes ; then
1962 WERROR_CFLAGS="-Werror"
1965 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1967 -Wno-unused -Wunused-value -Wunused-function \
1968 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
1969 -Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
1970 -Wold-style-declaration -Wold-style-definition"
1972 # Enable -Wno-format by default when using gcc on mingw since many
1973 # GCC versions complain about %I64.
1975 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1976 *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
1979 AC_ARG_ENABLE(build-warnings,
1980 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1981 [case "${enableval}" in
1983 no) build_warnings="-w";;
1984 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1985 build_warnings="${build_warnings} ${t}";;
1986 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1987 build_warnings="${t} ${build_warnings}";;
1988 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1990 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1991 echo "Setting compiler warning flags = $build_warnings" 6>&1
1993 AC_ARG_ENABLE(gdb-build-warnings,
1994 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1995 [case "${enableval}" in
1997 no) build_warnings="-w";;
1998 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1999 build_warnings="${build_warnings} ${t}";;
2000 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2001 build_warnings="${t} ${build_warnings}";;
2002 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
2004 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
2005 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
2008 if test "x${build_warnings}" != x -a "x$GCC" = xyes
2010 AC_MSG_CHECKING(compiler warning flags)
2011 # Separate out the -Werror flag as some files just cannot be
2012 # compiled with it enabled.
2013 for w in ${build_warnings}; do
2015 -Werr*) WERROR_CFLAGS=-Werror ;;
2016 *) # Check that GCC accepts it
2017 saved_CFLAGS="$CFLAGS"
2019 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
2020 CFLAGS="$saved_CFLAGS"
2023 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
2025 AC_SUBST(WARN_CFLAGS)
2026 AC_SUBST(WERROR_CFLAGS)
2028 # In the Cygwin environment, we need some additional flags.
2029 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
2030 [AC_EGREP_CPP(^lose$, [
2031 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
2033 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
2036 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
2037 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
2039 *go32* ) SER_HARDWIRE=ser-go32.o ;;
2040 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
2041 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
2043 AC_SUBST(SER_HARDWIRE)
2045 # libreadline needs libuser32.a in a cygwin environment
2047 if test x$gdb_cv_os_cygwin = xyes; then
2048 WIN32LIBS="-luser32"
2050 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
2055 # The ser-tcp.c module requires sockets.
2058 AC_DEFINE(USE_WIN32API, 1,
2059 [Define if we should use the Windows API, instead of the
2060 POSIX API. On Windows, we use the Windows API when
2061 building for MinGW, but the POSIX API when building
2063 WIN32LIBS="$WIN32LIBS -lws2_32"
2068 # Add ELF support to GDB, but only if BFD includes ELF support.
2069 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
2070 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
2071 if test $gdb_cv_var_elf = yes; then
2072 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
2073 AC_DEFINE(HAVE_ELF, 1,
2074 [Define if ELF support should be included.])
2075 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
2076 if test "$plugins" = "yes"; then
2077 AC_SEARCH_LIBS(dlopen, dl)
2081 # Add macho support to GDB, but only if BFD includes it.
2082 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
2083 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
2084 if test $gdb_cv_var_macho = yes; then
2085 CONFIG_OBS="$CONFIG_OBS machoread.o"
2088 # Add SOM support to GDB, but only if BFD includes it.
2089 GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
2090 [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
2091 if test $gdb_cv_var_som = yes; then
2092 CONFIG_OBS="$CONFIG_OBS somread.o"
2095 # Add any host-specific objects to GDB.
2096 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
2098 # If building on ELF, look for lzma support for embedded compressed debug info.
2099 if test $gdb_cv_var_elf = yes; then
2101 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
2102 [], [with_lzma=auto])
2103 AC_MSG_CHECKING([whether to use lzma])
2104 AC_MSG_RESULT([$with_lzma])
2106 if test "${with_lzma}" != no; then
2107 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
2108 [lzma_index_iter iter;
2109 lzma_index_iter_init (&iter, 0);
2110 lzma_mf_is_supported (LZMA_MF_HC3);])
2111 if test "$HAVE_LIBLZMA" != yes; then
2112 if test "$with_lzma" = yes; then
2113 AC_MSG_ERROR([missing liblzma for --with-lzma])
2119 LIBGUI="../libgui/src/libgui.a"
2120 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2122 AC_SUBST(GUI_CFLAGS_X)
2126 AC_SUBST(WIN32LDAPP)
2129 *-*-cygwin* | *-*-mingw* )
2138 if test "${enable_gdbtk}" = "yes"; then
2140 # Gdbtk must have an absolute path to srcdir in order to run
2141 # properly when not installed.
2149 # If $no_tk is nonempty, then we can't do Tk, and there is no
2150 # point to doing Tcl.
2153 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2156 # Check for in-tree tcl
2163 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2167 # Find Tcl private headers
2168 if test x"${intree}" = xno; then
2169 CY_AC_TCL_PRIVATE_HEADERS
2170 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2171 TCL_LIBRARY="${TCL_LIB_SPEC}"
2174 # If building tcl in the same src tree, private headers
2175 # are not needed, but we need to be sure to use the right
2177 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2178 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2179 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2181 AC_SUBST(TCL_INCLUDE)
2182 AC_SUBST(TCL_LIBRARY)
2187 # Check for in-tree Tk
2189 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2193 # Find Tk private headers
2194 if test x"${intree}" = xno; then
2195 CY_AC_TK_PRIVATE_HEADERS
2196 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2197 TK_LIBRARY=${TK_LIB_SPEC}
2200 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2201 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2202 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2204 AC_SUBST(TK_INCLUDE)
2205 AC_SUBST(TK_LIBRARY)
2207 AC_SUBST(TK_XINCLUDES)
2209 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2211 # Include some libraries that Tcl and Tk want.
2212 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2213 # Yes, the ordering seems wrong here. But it isn't.
2214 # TK_LIBS is the list of libraries that need to be linked
2215 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2216 # were in LIBS then any link tests after this point would
2217 # try to include things like `$(LIBGUI)', which wouldn't work.
2218 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2220 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2221 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2222 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2223 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2224 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2225 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2226 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2228 if test x$gdb_cv_os_cygwin = xyes; then
2229 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2230 WIN32LDAPP="-Wl,--subsystem,console"
2231 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2234 AC_CONFIG_SUBDIRS(gdbtk)
2242 AC_SUBST(GDBTK_CFLAGS)
2243 AC_SUBST(GDBTK_SRC_DIR)
2247 # Unlike the sim directory, whether a simulator is linked is controlled by
2248 # presence of a gdb_sim definition in the target configure.tgt entry.
2249 # This code just checks for a few cases where we'd like to ignore those
2250 # definitions, even when they're present in the '.mt' file. These cases
2251 # are when --disable-sim is specified, or if the simulator directory is
2252 # not part of the source tree.
2255 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2256 [echo "enable_sim = $enable_sim";
2257 echo "enableval = ${enableval}";
2258 case "${enableval}" in
2259 yes) ignore_sim=false ;;
2260 no) ignore_sim=true ;;
2261 *) ignore_sim=false ;;
2265 if test ! -d "${srcdir}/../sim"; then
2271 if test "${ignore_sim}" = "false"; then
2272 if test x"${gdb_sim}" != x ; then
2274 SIM_OBS="remote-sim.o"
2275 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2281 AC_SUBST(ENABLE_CFLAGS)
2282 AC_SUBST(PROFILE_CFLAGS)
2284 AC_SUBST(CONFIG_OBS)
2285 AC_SUBST(CONFIG_DEPS)
2286 AC_SUBST(CONFIG_SRCS)
2287 AC_SUBST(CONFIG_ALL)
2288 AC_SUBST(CONFIG_CLEAN)
2289 AC_SUBST(CONFIG_INSTALL)
2290 AC_SUBST(CONFIG_UNINSTALL)
2292 # List of host floatformats.
2293 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2294 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2295 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2297 # target_subdir is used by the testsuite to find the target libraries.
2299 if test "${host}" != "${target}"; then
2300 target_subdir="${target_alias}/"
2302 AC_SUBST(target_subdir)
2305 if test "${gdb_native}" = "yes"; then
2306 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2307 if test ! -f ${host_makefile_frag}; then
2308 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2310 frags="$frags $host_makefile_frag"
2312 host_makefile_frag=/dev/null
2315 AC_SUBST_FILE(host_makefile_frag)
2319 if test "${gdb_native}" = "yes"; then
2320 # We pick this up from the host configuration file (.mh) because we
2321 # do not have a native configuration Makefile fragment.
2322 nativefile=`sed -n '
2323 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2324 ' ${host_makefile_frag}`
2328 if test x"${gdb_osabi}" != x ; then
2329 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2330 [Define to the default OS ABI for this configuration.])
2333 # Enable multi-ice-gdb-server.
2334 AC_ARG_ENABLE(multi-ice,
2335 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2339 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2341 if test "x$enable_multi_ice" = xyes; then
2342 AC_CONFIG_SUBDIRS(multi-ice)
2345 AC_ARG_ENABLE(gdbserver,
2346 AS_HELP_STRING([--enable-gdbserver],
2347 [automatically build gdbserver (yes/no/auto, default is auto)]),
2348 [case "${enableval}" in
2350 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2351 esac],[enable_gdbserver=auto])
2353 # We only build gdbserver automatically in a native configuration, and
2354 # only if the user did not explicitly disable its build.
2355 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2356 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2357 if test "x$build_gdbserver" = xyes; then
2359 AC_CONFIG_SUBDIRS(gdbserver)
2360 gdbserver_build_enabled=yes
2366 # If the user explicitly request the gdbserver to be built, verify that
2367 # we were in fact able to enable it.
2368 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2369 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2372 # Check for babeltrace and babeltrace-ctf
2373 AC_ARG_WITH(babeltrace,
2374 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2375 [], [with_babeltrace=auto])
2376 AC_MSG_CHECKING([whether to use babeltrace])
2377 AC_MSG_RESULT([$with_babeltrace])
2379 if test "x$with_babeltrace" = "xno"; then
2380 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2382 # Append -Werror to CFLAGS so that configure can catch the warning
2383 # "assignment from incompatible pointer type", which is related to
2384 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2385 # in GDB, while babeltrace 1.0.3 is broken.
2386 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2387 # safe to save and restore CFLAGS here.
2388 saved_CFLAGS=$CFLAGS
2389 CFLAGS="$CFLAGS -Werror"
2390 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2391 [#include <babeltrace/babeltrace.h>
2392 #include <babeltrace/ctf/events.h>
2393 #include <babeltrace/ctf/iterator.h>],
2394 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2395 struct bt_ctf_event *event = NULL;
2396 const struct bt_definition *scope;
2398 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2399 scope = bt_ctf_get_top_level_scope (event,
2400 BT_STREAM_EVENT_HEADER);
2401 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2403 CFLAGS=$saved_CFLAGS
2405 if test "$HAVE_LIBBABELTRACE" != yes; then
2406 if test "$with_babeltrace" = yes; then
2407 AC_MSG_ERROR([babeltrace is missing or unusable])
2409 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2414 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2415 # to an empty version.
2421 if test "${nativefile}" != ""; then
2422 case "${nativefile}" in
2423 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2424 * ) GDB_NM_FILE="${nativefile}"
2426 files="${files} ${GDB_NM_FILE}"
2427 links="${links} nm.h"
2428 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2430 AC_SUBST(GDB_NM_FILE)
2432 AC_LINK_FILES($files, $links)
2434 dnl Check for exe extension set on certain hosts (e.g. Win32)
2437 dnl Detect the character set used by this host.
2438 dnl At the moment, we just assume it's UTF-8.
2439 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2440 [Define to be a string naming the default host character set.])
2442 # Undo the $ec_script escaping suitable for Makefile.
2443 transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'`
2444 GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"`
2445 if test "x$GDB_TRANSFORM_NAME" = x; then
2446 GDB_TRANSFORM_NAME=gdb
2448 AC_SUBST(GDB_TRANSFORM_NAME)
2449 GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"`
2450 if test "x$GCORE_TRANSFORM_NAME" = x; then
2451 GCORE_TRANSFORM_NAME=gcore
2453 AC_SUBST(GCORE_TRANSFORM_NAME)
2454 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2456 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2458 case x$CONFIG_HEADERS in
2459 xconfig.h:config.in)