1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2018 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.
22 AC_CONFIG_HEADER(config.h:config.in)
25 # Set the 'development' global.
26 . $srcdir/../bfd/development.sh
31 AC_USE_SYSTEM_EXTENSIONS
40 # We require a C++11 compiler. Check if one is available, and if
41 # necessary, set CXX_DIALECT to some -std=xxx switch.
42 AX_CXX_COMPILE_STDCXX(11, , mandatory)
44 # Dependency checking.
46 ZW_PROG_COMPILER_DEPENDENCIES([CC])
48 gnulib_extra_configure_args=
49 # If large-file support is disabled, make sure gnulib does the same.
50 if test "$enable_largefile" = no; then
51 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
54 # Configure gnulib. We need to build gnulib under some other
55 # directory not "gnulib", to avoid the problem of both GDB and
56 # GDBserver wanting to build it in the same directory, when building
58 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
59 ["$gnulib_extra_configure_args"])
61 dnl List of object files and targets accumulated by configure.
73 dnl Set up for gettext.
74 ZW_GNU_GETTEXT_SISTER_DIR
76 localedir='${datadir}/locale'
79 if test x"$USE_NLS" = xyes; then
80 CONFIG_ALL="$CONFIG_ALL all-po"
81 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
82 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
83 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
86 GNULIB=build-gnulib/import
88 # For Makefile dependencies.
90 if test x"$STDINT_H" != x; then
91 GNULIB_STDINT_H=$GNULIB/$STDINT_H
93 AC_SUBST(GNULIB_STDINT_H)
96 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
99 # We never need to detect it in this sub-configure.
100 # But preserve it for config.status --recheck.
102 [Parent configure detects if it is of sufficient version.])
103 AC_ARG_VAR(MAKEINFOFLAGS,
104 [Parameters for MAKEINFO.])
106 MAKEINFO_EXTRA_FLAGS=""
107 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
108 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
109 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
110 gdb_cv_have_makeinfo_click=yes
112 gdb_cv_have_makeinfo_click=no
114 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
115 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
117 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
119 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
120 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
123 # We can't pass paths as command line arguments.
124 # Mingw32 tries to be clever and will convert the paths for us.
125 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
126 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
127 # This breaks GDB's relocatable path conversions since paths passed in
128 # config.h would not get so translated, the path prefixes no longer match.
129 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
131 # GDB's datadir relocation
133 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
134 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
137 AC_ARG_WITH(relocated-sources,
138 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
139 [reloc_srcdir="${withval}"
140 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
141 [Relocated directory for source files. ])
144 AC_MSG_CHECKING([for default auto-load directory])
145 AC_ARG_WITH(auto-load-dir,
146 AS_HELP_STRING([--with-auto-load-dir=PATH],
147 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
148 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
149 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
150 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
151 [Directories from which to load auto-loaded scripts.])
152 AC_MSG_RESULT([$with_auto_load_dir])
154 AC_MSG_CHECKING([for default auto-load safe-path])
155 AC_ARG_WITH(auto-load-safe-path,
156 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
157 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
158 AS_HELP_STRING([--without-auto-load-safe-path],
159 [do not restrict auto-loaded files locations]),
160 [if test "$with_auto_load_safe_path" = "no"; then
161 with_auto_load_safe_path="/"
163 [with_auto_load_safe_path="$with_auto_load_dir"])
164 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
165 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
166 [Directories safe to hold auto-loaded files.])
167 AC_MSG_RESULT([$with_auto_load_safe_path])
169 AC_CONFIG_SUBDIRS(testsuite)
171 # Check whether to support alternative target configurations
172 AC_ARG_ENABLE(targets,
173 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
174 [case "${enableval}" in
175 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
177 no) enable_targets= ;;
178 *) enable_targets=$enableval ;;
181 # Check whether to enable 64-bit support on 32-bit hosts
182 AC_ARG_ENABLE(64-bit-bfd,
183 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
184 [case "${enableval}" in
187 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
188 esac],[want64=false])dnl
190 # Provide defaults for some variables set by the per-host and per-target
192 gdb_host_obs=posix-hdep.o
194 if test "${target}" = "${host}"; then
200 . $srcdir/configure.host
202 # Add in the common host objects.
203 . $srcdir/common/common.host
204 gdb_host_obs="$gdb_host_obs $common_host_obs"
206 # Accumulate some settings from configure.tgt over all enabled targets
210 HAVE_NATIVE_GCORE_TARGET=
212 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
214 if test "$targ_alias" = "all"; then
217 # Canonicalize the secondary target names.
218 result=`$ac_config_sub $targ_alias 2>/dev/null`
219 if test -n "$result"; then
225 . ${srcdir}/configure.tgt
227 AS_IF([test -z "${gdb_target_obs}"],
228 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
230 # Target-specific object files
231 for i in ${gdb_target_obs}; do
232 case " $TARGET_OBS " in
235 TARGET_OBS="$TARGET_OBS ${i}"
240 # Check whether this target needs 64-bit CORE_ADDR
241 if test x${want64} = xfalse; then
242 . ${srcdir}/../bfd/config.bfd
245 # Check whether this target is native and supports gcore.
246 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
247 && $gdb_have_gcore; then
248 HAVE_NATIVE_GCORE_TARGET=1
253 if test x${all_targets} = xtrue; then
255 # We want all 64-bit targets if we either:
256 # - run on a 64-bit host or
257 # - already require 64-bit support for some other target or
258 # - the --enable-64-bit-bfd option was supplied
259 # Otherwise we only support all 32-bit targets.
261 # NOTE: This test must be in sync with the corresponding
264 if test x${want64} = xfalse; then
265 AC_CHECK_SIZEOF(long)
266 if test "x${ac_cv_sizeof_long}" = "x8"; then
270 if test x${want64} = xtrue; then
271 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
273 TARGET_OBS='$(ALL_TARGET_OBS)'
278 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
280 # For other settings, only the main target counts.
284 targ=$target; . ${srcdir}/configure.tgt
286 # Fetch the default architecture and default target vector from BFD.
287 targ=$target; . $srcdir/../bfd/config.bfd
289 # We only want the first architecture, so strip off the others if
290 # there is more than one.
291 targ_archs=`echo $targ_archs | sed 's/ .*//'`
293 if test "x$targ_archs" != x; then
294 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
295 [Define to BFD's default architecture. ])
297 if test "x$targ_defvec" != x; then
298 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
299 [Define to BFD's default target vector. ])
302 # The CLI cannot be disabled yet, but may be in the future.
305 AC_ARG_ENABLE(gdbcli,
306 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
311 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
313 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
316 if test x"$enable_gdbcli" = xyes; then
317 if test -d $srcdir/cli; then
318 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
319 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
320 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
321 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
327 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
332 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
335 if test x"$enable_gdbmi" = xyes; then
336 if test -d $srcdir/mi; then
337 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
338 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
339 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
340 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
346 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
351 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
352 esac],enable_tui=auto)
356 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
361 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
363 [if test -d $srcdir/gdbtk; then
368 # We unconditionally disable gdbtk tests on selected platforms.
371 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
375 # Libunwind support for ia64.
377 AC_ARG_WITH(libunwind-ia64,
378 AS_HELP_STRING([--with-libunwind-ia64],
379 [use libunwind frame unwinding for ia64 targets]),,
380 [with_libunwind_ia64=auto])
382 # Backward compatibility option.
383 if test "${with_libunwind+set}" = set; then
384 if test x"$with_libunwind_ia64" != xauto; then
386 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
388 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
389 with_libunwind_ia64="$with_libunwind"
392 case "$with_libunwind_ia64" in
396 AC_CHECK_HEADERS(libunwind-ia64.h)
397 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
401 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
405 if test x"$with_libunwind_ia64" = xyes; then
406 AC_CHECK_HEADERS(libunwind-ia64.h)
407 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
408 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
410 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
411 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
412 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
416 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
419 if test "$opt_curses" = "yes"; then
424 AC_ARG_ENABLE(profiling,
425 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
430 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
432 [enable_profiling=no])
434 AC_CHECK_FUNCS(monstartup _mcleanup)
435 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
440 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
441 if test $ac_cv_var__etext = yes; then
442 AC_DEFINE(HAVE__ETEXT, 1,
443 [Define to 1 if your system has the _etext variable. ])
445 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
450 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
451 if test $ac_cv_var_etext = yes; then
452 AC_DEFINE(HAVE_ETEXT, 1,
453 [Define to 1 if your system has the etext variable. ])
455 if test "$enable_profiling" = yes ; then
456 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
457 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
461 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
463 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
464 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
465 ac_cv_cc_supports_pg=no)])
467 if test $ac_cv_cc_supports_pg = no; then
468 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
475 AC_ARG_ENABLE([codesign],
476 AS_HELP_STRING([--enable-codesign=CERT],
477 [sign gdb with 'codesign -s CERT']),
478 [CODESIGN_CERT=$enableval])
479 AC_SUBST([CODESIGN_CERT])
481 ACX_PKGVERSION([GDB])
482 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
483 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
484 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
486 # --------------------- #
487 # Checks for programs. #
488 # --------------------- #
496 AC_CHECK_TOOL(AR, ar)
497 AC_CHECK_TOOL(DLLTOOL, dlltool)
498 AC_CHECK_TOOL(WINDRES, windres)
502 # Needed for GNU Hurd hosts.
503 AC_CHECK_TOOL(MIG, mig)
504 if test x"$MIG" = x; then
505 AC_MSG_ERROR([MIG not found but required for $host hosts])
510 # ---------------------- #
511 # Checks for libraries. #
512 # ---------------------- #
514 # We might need to link with -lm; most simulators need it.
515 AC_CHECK_LIB(m, main)
517 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
518 AC_SEARCH_LIBS(gethostbyname, nsl)
520 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
521 AC_SEARCH_LIBS(socketpair, socket)
523 # Link in zlib if we can. This allows us to read compressed debug sections.
526 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
527 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
528 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
529 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
530 [Define to 1 if your system has the kinfo_getvmmap function. ])])
532 # fbsd-nat.c can also use kinfo_getfile.
533 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd,
534 [AC_DEFINE(HAVE_KINFO_GETFILE, 1,
535 [Define to 1 if your system has the kinfo_getfile function. ])])
539 # GDB may fork/exec the iconv program to get the list of supported character
540 # sets. Allow the user to specify where to find it.
541 # There are several factors affecting the choice of option name:
542 # - There is already --with-libiconv-prefix but we can't use it, it specifies
543 # the build-time location of libiconv files.
544 # - The program we need to find is iconv, which comes with glibc. The user
545 # doesn't necessarily have libiconv installed. Therefore naming this
546 # --with-libiconv-foo feels wrong.
547 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
548 # defined to work on directories not files (though it really doesn't know
550 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
551 # with --with-libiconv-prefix.
552 # Putting these together is why the option name is --with-iconv-bin.
554 AC_ARG_WITH(iconv-bin,
555 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
556 [iconv_bin="${withval}"
557 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
558 [Path of directory of iconv program.])
559 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
562 # For the TUI, we need enhanced curses functionality.
563 if test x"$enable_tui" != xno; then
568 if test x"$prefer_curses" = xyes; then
569 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
570 # curses library because the latter might not provide all the
571 # functionality we need. However, this leads to problems on systems
572 # where the linker searches /usr/local/lib, but the compiler doesn't
573 # search /usr/local/include, if ncurses is installed in /usr/local. A
574 # default installation of ncurses on alpha*-dec-osf* will lead to such
576 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
578 if test "$ac_cv_search_waddstr" != no; then
583 # Check whether we should enable the TUI, but only do so if we really
585 if test x"$enable_tui" != xno; then
586 if test -d $srcdir/tui; then
587 if test "$curses_found" != no; then
588 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
589 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
590 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
591 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
593 if test x"$enable_tui" = xyes; then
594 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
596 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
602 # Since GDB uses Readline, we need termcap functionality. In many
603 # cases this will be provided by the curses library, but some systems
604 # have a separate termcap library, or no curses library at all.
608 if test -d $srcdir/libtermcap; then
609 LIBS="../libtermcap/libtermcap.a $LIBS"
610 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
613 ac_cv_search_tgetent="none required"
617 # These are the libraries checked by Readline.
618 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncursesw ncurses])
620 if test "$ac_cv_search_tgetent" = no; then
621 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
624 AC_ARG_WITH([system-readline],
625 [AS_HELP_STRING([--with-system-readline],
626 [use installed readline library])])
628 if test "$with_system_readline" = yes; then
632 READLINE_TEXI_INCFLAG=
634 READLINE='$(READLINE_DIR)/libreadline.a'
635 READLINE_DEPS='$(READLINE)'
636 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
637 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
640 AC_SUBST(READLINE_DEPS)
641 AC_SUBST(READLINE_CFLAGS)
642 AC_SUBST(READLINE_TEXI_INCFLAG)
644 # Generate jit-reader.h
646 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
649 AC_CHECK_SIZEOF(unsigned long long)
650 AC_CHECK_SIZEOF(unsigned long)
651 AC_CHECK_SIZEOF(unsigned __int128)
653 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
654 TARGET_PTR="unsigned long"
655 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
656 TARGET_PTR="unsigned long long"
657 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
658 TARGET_PTR="unsigned __int128"
660 TARGET_PTR="unsigned long"
664 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
666 AC_SEARCH_LIBS(dlopen, dl)
668 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
669 [directory to load the JIT readers from],
673 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
674 [], [with_expat=auto])
675 AC_MSG_CHECKING([whether to use expat])
676 AC_MSG_RESULT([$with_expat])
678 if test "${with_expat}" = no; then
679 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
682 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
683 [XML_Parser p = XML_ParserCreate (0);])
684 if test "$HAVE_LIBEXPAT" != yes; then
685 if test "$with_expat" = yes; then
686 AC_MSG_ERROR([expat is missing or unusable])
688 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
692 LIBS="$LIBS $LIBEXPAT"
693 AC_CHECK_FUNCS(XML_StopParser)
699 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
700 [], [with_mpfr=auto])
701 AC_MSG_CHECKING([whether to use MPFR])
702 AC_MSG_RESULT([$with_mpfr])
704 if test "${with_mpfr}" = no; then
705 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
708 AC_LIB_HAVE_LINKFLAGS([mpfr], [], [#include <mpfr.h>],
709 [mpfr_exp_t exp; mpfr_t x;
710 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
711 if test "$HAVE_LIBMPFR" != yes; then
712 if test "$with_mpfr" = yes; then
713 AC_MSG_ERROR([MPFR is missing or unusable])
715 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
720 # --------------------- #
721 # Check for libpython. #
722 # --------------------- #
724 dnl Utility to simplify finding libpython.
726 dnl $2 = the shell variable to assign the result to
727 dnl If libpython is found we store $version here.
728 dnl $3 = additional flags to add to CPPFLAGS
729 dnl $4 = additional flags to add to LIBS
731 AC_DEFUN([AC_TRY_LIBPYTHON],
734 define([have_libpython_var],$2)
737 AC_MSG_CHECKING([for ${version}])
738 save_CPPFLAGS=$CPPFLAGS
740 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
741 LIBS="$new_LIBS $LIBS"
742 found_usable_python=no
743 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
744 [[Py_Initialize ();]])],
745 [have_libpython_var=${version}
746 found_usable_python=yes
747 PYTHON_CPPFLAGS=$new_CPPFLAGS
748 PYTHON_LIBS=$new_LIBS])
749 CPPFLAGS=$save_CPPFLAGS
751 AC_MSG_RESULT([${found_usable_python}])
754 dnl There are several different values for --with-python:
756 dnl no - Don't include python support.
757 dnl yes - Include python support, error if it's missing.
758 dnl If we find python in $PATH, use it to fetch configure options,
759 dnl otherwise assume the compiler can find it with no help from us.
760 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
761 dnl auto - Same as "yes", but if python is missing from the system,
762 dnl fall back to "no".
763 dnl /path/to/python/exec-prefix -
764 dnl Use the python located in this directory.
765 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
766 dnl the compilation parameters. Otherwise use
767 dnl -I/path/to/python/exec-prefix/include,
768 dnl -L/path/to/python/exec-prefix/lib.
769 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
770 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
771 dnl but is deprecated.
772 dnl /path/to/python/executable -
773 dnl Run python-config.py with this version of python to fetch the
774 dnl compilation parameters.
775 dnl NOTE: This needn't be the real python executable.
776 dnl In a cross-compilation scenario (build != host), this could be
777 dnl a shell script that provides what python-config.py provides for
778 dnl --ldflags, --includes, --exec-prefix.
779 dnl python-executable -
780 dnl Find python-executable in $PATH, and then handle the same as
781 dnl /path/to/python/executable.
783 dnl If a python program is specified, it is used to run python-config.py and
784 dnl is passed --ldflags, --includes, --exec-prefix.
787 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
788 [], [with_python=auto])
789 AC_MSG_CHECKING([whether to use python])
790 AC_MSG_RESULT([$with_python])
792 if test "${with_python}" = no; then
793 AC_MSG_WARN([python support disabled; some features may be unavailable.])
796 case "${with_python}" in
797 [[\\/]]* | ?:[[\\/]]*)
798 if test -d ${with_python}; then
799 # Assume the python binary is ${with_python}/bin/python.
800 python_prog="${with_python}/bin/python"
802 # If python does not exit ${with_python}/bin, then try in
803 # ${with_python}. On Windows/MinGW, this is where the Python
805 if test ! -x "${python_prog}"; then
806 python_prog="${with_python}/python"
809 if test ! -x "${python_prog}"; then
810 # Fall back to gdb 7.0/7.1 behaviour.
812 python_prefix=${with_python}
814 elif test -x "${with_python}"; then
815 # While we can't run python compiled for $host (unless host == build),
816 # the user could write a script that provides the needed information,
817 # so we support that.
818 python_prog=${with_python}
821 AC_ERROR(invalid value for --with-python)
825 # Disallow --with-python=foo/bar.
826 AC_ERROR(invalid value for --with-python)
829 # The user has either specified auto, yes, or the name of the python
830 # program assumed to be in $PATH.
832 case "${with_python}" in
834 if test ${build} = ${host}; then
835 AC_PATH_PROG(python_prog_path, python, missing)
836 if test "${python_prog_path}" = missing; then
839 python_prog=${python_prog_path}
842 # Not much we can do except assume the cross-compiler will find the
848 # While we can't run python compiled for $host (unless host == build),
849 # the user could write a script that provides the needed information,
850 # so we support that.
851 python_prog="${with_python}"
852 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
853 if test "${python_prog_path}" = missing; then
854 AC_ERROR(unable to find python program ${python_prog})
860 if test "${python_prog}" != missing; then
861 # We have a python program to use, but it may be too old.
862 # Don't flag an error for --with-python=auto (the default).
863 have_python_config=yes
864 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
865 if test $? != 0; then
866 have_python_config=failed
867 if test "${with_python}" != auto; then
868 AC_ERROR(failure running python-config --includes)
871 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
872 if test $? != 0; then
873 have_python_config=failed
874 if test "${with_python}" != auto; then
875 AC_ERROR(failure running python-config --ldflags)
878 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
879 if test $? != 0; then
880 have_python_config=failed
881 if test "${with_python}" != auto; then
882 AC_ERROR(failure running python-config --exec-prefix)
886 # We do not have a python executable we can use to determine where
887 # to find the Python headers and libs. We cannot guess the include
888 # path from the python_prefix either, because that include path
889 # depends on the Python version. So, there is nothing much we can
890 # do except assume that the compiler will be able to find those files.
893 have_python_config=no
896 # If we have python-config, only try the configuration it provides.
897 # Otherwise fallback on the old way of trying different versions of
901 if test "${have_python_config}" = yes; then
902 # Determine the Python version by extracting "-lpython<version>"
903 # part of the python_libs. <version> is usually X.Y with X and Y
904 # being decimal numbers, but can also be XY (seen on Windows).
906 # The extraction is performed using sed with a regular expression.
907 # Initially, the regexp used was using the '?' quantifier to make
908 # the dot in the version number optional. Unfortunately, this
909 # does not work with non-GNU versions of sed because, because of
910 # what looks like a limitation (the '?' quantifier does not work
911 # with back-references). We work around this limitation by using
912 # the '*' quantifier instead. It means that, in theory, we might
913 # match unexpected version strings such as "-lpython2..7", but
914 # this seems unlikely in practice. And even if that happens,
915 # an error will be triggered later on, when checking that version
917 python_version=`echo " ${python_libs} " \
918 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
919 case "${python_version}" in
921 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
922 ${python_includes}, ${python_libs})
925 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
928 elif test "${have_python_config}" != failed; then
929 if test "${have_libpython}" = no; then
930 AC_TRY_LIBPYTHON(python2.7, have_libpython,
931 ${python_includes}, "-lpython2.7 ${python_libs}")
933 if test "${have_libpython}" = no; then
934 AC_TRY_LIBPYTHON(python2.6, have_libpython,
935 ${python_includes}, "-lpython2.6 ${python_libs}")
937 if test ${have_libpython} = no; then
938 AC_TRY_LIBPYTHON(python2.5, have_libpython,
939 ${python_includes}, "-lpython2.5 ${python_libs}")
941 if test ${have_libpython} = no; then
942 AC_TRY_LIBPYTHON(python2.4, have_libpython,
943 ${python_includes}, "-lpython2.4 ${python_libs}")
946 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
947 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
948 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
949 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
950 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
951 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
952 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
953 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
956 if test "${have_libpython}" = no; then
957 case "${with_python}" in
959 AC_MSG_ERROR([python is missing or unusable])
962 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
965 AC_MSG_ERROR([no usable python found at ${with_python}])
969 if test -n "${python_prefix}"; then
970 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
971 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
972 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
977 if test "${have_libpython}" != no; then
978 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
979 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
980 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
981 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
982 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
983 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
985 # Flags needed to compile Python code (taken from python-config --cflags).
986 # We cannot call python-config directly because it will output whatever was
987 # used when compiling the Python interpreter itself, including flags which
988 # would make the python-related objects be compiled differently from the
989 # rest of GDB (e.g., -O2 and -fPIC).
990 if test "${GCC}" = yes; then
991 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
994 if test "x${tentative_python_cflags}" != x; then
995 AC_MSG_CHECKING(compiler flags for python code)
996 for flag in ${tentative_python_cflags}; do
997 # Check that the compiler accepts it
998 saved_CFLAGS="$CFLAGS"
999 CFLAGS="$CFLAGS $flag"
1000 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
1001 CFLAGS="$saved_CFLAGS"
1003 AC_MSG_RESULT(${PYTHON_CFLAGS})
1006 # On x64 Windows, Python's include headers, and pyconfig.h in
1007 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
1008 # version of Windows. Unfortunately, MS_WIN64 is only defined if
1009 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
1010 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
1011 # The issue was reported to the Python community, but still isn't
1012 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1016 if test "${GCC}" = yes; then
1017 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1022 # Note that "python -m threading" cannot be used to check for
1023 # threading support due to a bug in Python 2.7.3
1024 # (http://bugs.python.org/issue15567).
1025 AC_MSG_CHECKING(whether python supports threads)
1026 saved_CPPFLAGS="${CPPFLAGS}"
1027 CPPFLAGS="${PYTHON_CPPFLAGS}"
1028 # Note that the test is reversed so that python_has_threads=yes on
1029 # unexpected failures.
1030 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1035 ]])], [python_has_threads=no], [python_has_threads=yes])
1036 AC_MSG_RESULT(${python_has_threads})
1037 CPPFLAGS="${saved_CPPFLAGS}"
1039 # Even if Python support is not compiled in, we need to have this file
1040 # included so that the "python" command, et.al., still exists.
1041 CONFIG_OBS="$CONFIG_OBS python/python.o"
1042 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1045 # Work around Python http://bugs.python.org/issue10112. See also
1046 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1047 # no effect. Note that the only test after this that uses Python is
1048 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1049 # run without -export-dynamic too.
1050 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1052 AC_SUBST(PYTHON_CFLAGS)
1053 AC_SUBST(PYTHON_CPPFLAGS)
1054 AC_SUBST(PYTHON_LIBS)
1055 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1057 # -------------------- #
1058 # Check for libguile. #
1059 # -------------------- #
1061 dnl Utility to simplify finding libguile.
1062 dnl $1 = pkg-config-program
1063 dnl $2 = space-separate list of guile versions to try
1064 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1065 dnl $4 = the shell variable to assign the result to
1066 dnl If libguile is found we store "yes" here.
1068 AC_DEFUN([AC_TRY_LIBGUILE],
1071 guile_version_list=$2
1073 define([have_libguile_var],$4)
1074 found_usable_guile=checking
1075 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1076 for guile_version in ${guile_version_list}; do
1077 ${pkg_config} --exists ${guile_version} 2>/dev/null
1078 if test $? != 0; then
1081 dnl pkg-config says the package exists, so if we get an error now,
1083 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1084 if test $? != 0; then
1085 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1087 new_LIBS=`${pkg_config} --libs ${guile_version}`
1088 if test $? != 0; then
1089 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1091 dnl If we get this far, great.
1092 found_usable_guile=${guile_version}
1095 if test "${found_usable_guile}" = "checking"; then
1096 if test "${flag_errors}" = "yes"; then
1097 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1099 found_usable_guile=no
1102 dnl One final sanity check.
1103 dnl The user could have said --with-guile=python-2.7.
1104 if test "${found_usable_guile}" != no; then
1105 save_CPPFLAGS=$CPPFLAGS
1107 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1108 LIBS="$LIBS $new_LIBS"
1109 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1110 [[scm_init_guile ();]])],
1111 [have_libguile_var=yes
1112 GUILE_CPPFLAGS=$new_CPPFLAGS
1113 GUILE_LIBS=$new_LIBS],
1114 [found_usable_guile=no])
1115 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1116 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1117 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1118 [Define if Guile supports manual finalization.])
1120 CPPFLAGS=$save_CPPFLAGS
1122 if test "${found_usable_guile}" = no; then
1123 if test "${flag_errors}" = yes; then
1124 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1128 AC_MSG_RESULT([${found_usable_guile}])
1131 dnl There are several different values for --with-guile:
1133 dnl no - Don't include guile support.
1134 dnl yes - Include guile support, error if it's missing.
1135 dnl The pkg-config program must be in $PATH.
1136 dnl auto - Same as "yes", but if guile is missing from the system,
1137 dnl fall back to "no".
1138 dnl guile-version [guile-version-choice-2 ...] -
1139 dnl A space-separated list of guile package versions to try.
1140 dnl These are passed to pkg-config as-is.
1141 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1142 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1143 dnl /path/to/pkg-config -
1144 dnl Use this pkg-config program.
1145 dnl NOTE: This needn't be the "real" pkg-config program.
1146 dnl It could be a shell script. It is invoked as:
1147 dnl pkg-config --exists $version
1148 dnl pkg-config --cflags $version
1149 dnl pkg-config --libs $version
1150 dnl pkg-config --variable guild $version
1151 dnl The script will be called with $version having each value in
1152 dnl $try_guile_versions until --exists indicates success.
1155 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1156 [], [with_guile=auto])
1157 AC_MSG_CHECKING([whether to use guile])
1158 AC_MSG_RESULT([$with_guile])
1160 dnl We check guile with pkg-config.
1161 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1163 try_guile_versions="guile-2.0"
1165 case "${with_guile}" in
1167 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1170 if test "${pkg_config_prog_path}" = "missing"; then
1171 AC_MSG_WARN([pkg-config not found, guile support disabled])
1173 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1177 if test "${pkg_config_prog_path}" = "missing"; then
1178 AC_MSG_ERROR([pkg-config not found])
1180 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1182 [[\\/]]* | ?:[[\\/]]*)
1183 if test -x "${with_guile}"; then
1184 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1186 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1190 # Disallow --with=guile="" and --with-guile=foo/bar.
1191 AC_MSG_ERROR([invalid value for --with-guile])
1194 # A space separate list of guile versions to try, in order.
1195 if test "${pkg_config_prog_path}" = "missing"; then
1196 AC_MSG_ERROR([pkg-config not found])
1198 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1202 if test "${have_libguile}" != no; then
1203 dnl Get the name of the 'guild' program.
1204 case "${with_guile}" in
1205 [[\\/]]* | ?:[[\\/]]*)
1206 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1209 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1213 dnl Make sure guild can handle this host.
1214 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1215 dnl If not, disable guile support.
1216 if test "$ac_cv_guild_ok" = no; then
1218 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1222 if test "${have_libguile}" != no; then
1223 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1224 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1225 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1226 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1227 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1228 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1230 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1232 save_CPPFLAGS="$CPPFLAGS"
1234 CPPFLAGS="$GUILE_CPPFLAGS"
1235 AC_CHECK_FUNCS([scm_new_smob])
1237 CPPFLAGS="$save_CPPFLAGS"
1239 # Even if Guile support is not compiled in, we need to have these files
1241 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1242 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1244 AC_SUBST(GUILE_CPPFLAGS)
1245 AC_SUBST(GUILE_LIBS)
1246 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1248 # --------------------- #
1249 # Check for libmcheck. #
1250 # --------------------- #
1252 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1253 # but turn it off if Python is enabled with threads, since -lmcheck is
1254 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1256 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1257 && $development; then
1258 libmcheck_default=yes
1260 libmcheck_default=no
1262 GDB_AC_LIBMCHECK(${libmcheck_default})
1264 if test "$ENABLE_LIBMCHECK" = "yes" \
1265 -a "${have_libpython}" != "no" \
1266 -a "${python_has_threads}" = "yes" ; then
1267 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1270 AC_ARG_WITH(intel_pt,
1271 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1272 [], [with_intel_pt=auto])
1273 AC_MSG_CHECKING([whether to use intel pt])
1274 AC_MSG_RESULT([$with_intel_pt])
1276 if test "${with_intel_pt}" = no; then
1277 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1280 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1281 #include <linux/perf_event.h>
1282 #ifndef PERF_ATTR_SIZE_VER5
1285 ]])], [perf_event=yes], [perf_event=no])
1286 if test "$perf_event" != yes; then
1287 if test "$with_intel_pt" = yes; then
1288 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1290 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1294 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1295 if test "$HAVE_LIBIPT" != yes; then
1296 if test "$with_intel_pt" = yes; then
1297 AC_MSG_ERROR([libipt is missing or unusable])
1299 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1303 LIBS="$LIBS $LIBIPT"
1304 AC_CHECK_FUNCS(pt_insn_event)
1305 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1306 [#include <intel-pt.h>])
1311 # ------------------------- #
1312 # Checks for header files. #
1313 # ------------------------- #
1316 # elf_hp.h is for HP/UX 64-bit shared library support.
1317 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1319 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1320 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1321 sys/reg.h sys/debugreg.h sys/select.h \
1322 termios.h elf_hp.h \
1324 AC_CHECK_HEADERS(sys/user.h, [], [],
1325 [#if HAVE_SYS_PARAM_H
1326 # include <sys/param.h>
1330 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1331 AC_CHECK_HEADERS(term.h, [], [],
1333 # include <curses.h>
1337 # ------------------------- #
1338 # Checks for declarations. #
1339 # ------------------------- #
1343 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1346 # ----------------------- #
1347 # Checks for structures. #
1348 # ----------------------- #
1350 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1352 # ------------------ #
1353 # Checks for types. #
1354 # ------------------ #
1356 AC_CHECK_TYPES(socklen_t, [], [],
1357 [#include <sys/types.h>
1358 #include <sys/socket.h>
1361 # ------------------------------------- #
1362 # Checks for compiler characteristics. #
1363 # ------------------------------------- #
1369 # ------------------------------ #
1370 # Checks for library functions. #
1371 # ------------------------------ #
1375 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1376 pipe poll pread pread64 pwrite resize_term \
1377 sbrk getpgid setpgid setpgrp setsid \
1378 sigaction sigprocmask sigsetmask socketpair \
1379 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1380 setrlimit getrlimit posix_madvise waitpid \
1381 ptrace64 sigaltstack mkdtemp setns])
1385 # Check the return and argument types of ptrace.
1388 dnl AC_FUNC_SETPGRP does not work when cross compiling
1389 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1390 if test "$cross_compiling" = no; then
1393 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1397 if (setpgrp(1,1) == -1)
1401 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1402 if test $ac_cv_func_setpgrp_void = yes; then
1403 AC_DEFINE(SETPGRP_VOID, 1)
1407 # Assume we'll default to using the included libiberty regex.
1408 gdb_use_included_regex=yes
1410 # However, if the system regex is GNU regex, then default to *not*
1411 # using the included regex.
1414 [gdb_cv_have_gnu_regex],
1416 [#include <gnu-versions.h>],
1417 [#define REGEX_INTERFACE_VERSION 1
1418 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1419 # error "Version mismatch"
1421 gdb_cv_have_gnu_regex=yes,
1422 gdb_cv_have_gnu_regex=no)])
1423 if test $gdb_cv_have_gnu_regex = yes; then
1424 gdb_use_included_regex=no
1427 AC_ARG_WITH(included-regex,
1428 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1429 gdb_with_regex=$withval,
1430 gdb_with_regex=$gdb_use_included_regex)
1431 if test "$gdb_with_regex" = yes; then
1432 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1433 [Define to 1 if the regex included in libiberty should be used.])
1436 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1437 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1438 [#include <sys/param.h>
1439 #include <sys/proc.h>
1442 # See if <sys/lwp.h> defines `struct lwp`.
1443 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1444 [AC_TRY_COMPILE([#include <sys/param.h>
1446 #include <sys/lwp.h>], [struct lwp l;],
1447 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1448 if test $gdb_cv_struct_lwp = yes; then
1449 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1450 [Define to 1 if your system has struct lwp.])
1453 # See if <machine/reg.h> degines `struct reg'.
1454 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1455 [AC_TRY_COMPILE([#include <sys/types.h>
1456 #include <machine/reg.h>], [struct reg r;],
1457 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1458 if test $gdb_cv_struct_reg = yes; then
1459 AC_DEFINE(HAVE_STRUCT_REG, 1,
1460 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1463 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1464 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1465 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1466 [#include <sys/types.h>
1467 #include <machine/reg.h>])
1469 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1470 # Older amd64 Linux's don't have the fs_base and gs_base members of
1471 # `struct user_regs_struct'.
1472 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1473 [], [], [#include <sys/types.h>
1474 #include <sys/user.h>])
1476 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1477 AC_MSG_CHECKING(for PTRACE_GETREGS)
1478 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1479 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1481 [gdb_cv_have_ptrace_getregs=yes],
1482 [gdb_cv_have_ptrace_getregs=no])])
1483 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1484 if test $gdb_cv_have_ptrace_getregs = yes; then
1485 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1486 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1489 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1490 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1491 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1492 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1493 [PTRACE_GETFPXREGS;],
1494 [gdb_cv_have_ptrace_getfpxregs=yes],
1495 [gdb_cv_have_ptrace_getfpxregs=no])])
1496 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1497 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1498 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1499 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1502 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1503 AC_MSG_CHECKING(for PT_GETDBREGS)
1504 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1505 [AC_TRY_COMPILE([#include <sys/types.h>
1506 #include <sys/ptrace.h>],
1508 [gdb_cv_have_pt_getdbregs=yes],
1509 [gdb_cv_have_pt_getdbregs=no])])
1510 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1511 if test $gdb_cv_have_pt_getdbregs = yes; then
1512 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1513 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1516 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1517 AC_MSG_CHECKING(for PT_GETXMMREGS)
1518 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1519 [AC_TRY_COMPILE([#include <sys/types.h>
1520 #include <sys/ptrace.h>],
1522 [gdb_cv_have_pt_getxmmregs=yes],
1523 [gdb_cv_have_pt_getxmmregs=no])])
1524 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1525 if test $gdb_cv_have_pt_getxmmregs = yes; then
1526 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1527 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1530 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1531 # Older FreeBSD versions don't have the pl_tdname member of
1532 # `struct ptrace_lwpinfo'.
1533 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1534 [#include <sys/ptrace.h>])
1536 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1537 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1539 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1540 [#include <sys/ptrace.h>])
1542 if test "$ac_cv_header_sys_procfs_h" = yes; then
1543 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1544 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1545 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1546 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1547 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1548 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1549 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1551 dnl Check for broken prfpregset_t type
1553 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1554 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1555 dnl instead of the struct itself). We detect this here, and work
1556 dnl around it in gdb_proc_service.h.
1558 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1559 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1560 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1561 [AC_TRY_RUN([#include <sys/procfs.h>
1564 if (sizeof (prfpregset_t) == sizeof (void *))
1568 gdb_cv_prfpregset_t_broken=no,
1569 gdb_cv_prfpregset_t_broken=yes,
1570 gdb_cv_prfpregset_t_broken=yes)])
1571 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1572 if test $gdb_cv_prfpregset_t_broken = yes; then
1573 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1574 [Define if the prfpregset_t type is broken.])
1579 # Check if the compiler supports the `long long' type.
1581 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1582 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1583 [[extern long long foo;]],
1584 [[switch (foo & 2) { case 0: return 1; }]])],
1585 gdb_cv_c_long_long=yes,
1586 gdb_cv_c_long_long=no)])
1587 if test $gdb_cv_c_long_long != yes; then
1588 # libdecnumber requires long long.
1589 AC_MSG_ERROR([Compiler must support long long for GDB.])
1592 # Check if the compiler and runtime support printing long longs.
1594 AC_CACHE_CHECK([for long long support in printf],
1595 gdb_cv_printf_has_long_long,
1596 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1599 l = (l << 16) + 0x0123;
1600 l = (l << 16) + 0x4567;
1601 l = (l << 16) + 0x89ab;
1602 l = (l << 16) + 0xcdef;
1603 sprintf (buf, "0x%016llx", l);
1604 return (strcmp ("0x0123456789abcdef", buf));]])],
1605 gdb_cv_printf_has_long_long=yes,
1606 gdb_cv_printf_has_long_long=no,
1607 gdb_cv_printf_has_long_long=no)])
1608 if test $gdb_cv_printf_has_long_long = yes; then
1609 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1610 [Define to 1 if the "%ll" format works to print long longs.])
1613 # Check if the compiler and runtime support printing decfloats.
1615 AC_CACHE_CHECK([for decfloat support in printf],
1616 gdb_cv_printf_has_decfloat,
1617 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1619 _Decimal32 d32 = 1.2345df;
1620 _Decimal64 d64 = 1.2345dd;
1621 _Decimal128 d128 = 1.2345dl;
1622 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1623 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1624 gdb_cv_printf_has_decfloat=yes,
1625 gdb_cv_printf_has_decfloat=no,
1626 gdb_cv_printf_has_decfloat=no)])
1627 if test $gdb_cv_printf_has_decfloat = yes; then
1628 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1629 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1632 # Check if the compiler supports the `long double' type. We can't use
1633 # AC_C_LONG_DOUBLE because that one does additional checks on the
1634 # constants defined in <float.h> that fail on some systems,
1635 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1637 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1638 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1639 gdb_cv_c_long_double=yes,
1640 gdb_cv_c_long_double=no)])
1641 if test $gdb_cv_c_long_double = yes; then
1642 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1643 [Define to 1 if the compiler supports long double.])
1646 # Check if the compiler and runtime support printing long doubles.
1648 AC_CACHE_CHECK([for long double support in printf],
1649 gdb_cv_printf_has_long_double,
1650 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1652 long double f = 3.141592653;
1653 sprintf (buf, "%Lg", f);
1654 return (strncmp ("3.14159", buf, 7));]])],
1655 gdb_cv_printf_has_long_double=yes,
1656 gdb_cv_printf_has_long_double=no,
1657 gdb_cv_printf_has_long_double=no)])
1658 if test $gdb_cv_printf_has_long_double = yes; then
1659 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1660 [Define to 1 if the "%Lg" format works to print long doubles.])
1663 # Check if the compiler and runtime support scanning long doubles.
1665 AC_CACHE_CHECK([for long double support in scanf],
1666 gdb_cv_scanf_has_long_double,
1667 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1668 [[#include <stdio.h>]],
1669 [[char *buf = "3.141592653";
1671 sscanf (buf, "%Lg", &f);
1672 return !(f > 3.14159 && f < 3.14160);]])],
1673 gdb_cv_scanf_has_long_double=yes,
1674 gdb_cv_scanf_has_long_double=no,
1675 gdb_cv_scanf_has_long_double=no)])
1676 if test $gdb_cv_scanf_has_long_double = yes; then
1677 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1678 [Define to 1 if the "%Lg" format works to scan long doubles.])
1683 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1684 SAVE_LDFLAGS=$LDFLAGS
1687 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1688 *) gdb_cv_bigtoc=-bbigtoc ;;
1691 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1692 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1693 LDFLAGS="${SAVE_LDFLAGS}"
1695 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1699 AC_MSG_CHECKING(for the dynamic export flag)
1701 if test "${gdb_native}" = yes; then
1702 # The dynamically loaded libthread_db needs access to symbols in the gdb
1703 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1704 # may not be supported there.
1705 old_LDFLAGS="$LDFLAGS"
1706 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1707 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1708 LDFLAGS="$LDFLAGS $RDYNAMIC"
1709 if test "${have_libpython}" = no; then
1710 AC_TRY_LINK([], [], [dynamic_list=true])
1712 # Workaround http://bugs.python.org/issue4434 where static
1713 # libpythonX.Y.a would get its symbols required for
1714 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1715 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1717 # Note the workaround for Python
1718 # http://bugs.python.org/issue10112 earlier has removed
1719 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1720 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1722 old_CFLAGS="$CFLAGS"
1723 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1725 LIBS="$LIBS $PYTHON_LIBS"
1726 old_CPPFLAGS="$CPPFLAGS"
1727 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1730 [#include "Python.h"],
1733 err = PyRun_SimpleString ("import itertools\n");
1735 return err == 0 ? 0 : 1;])],
1736 [dynamic_list=true], [], [true])
1738 CFLAGS="$old_CFLAGS"
1739 CPPFLAGS="$old_CPPFLAGS"
1741 LDFLAGS="$old_LDFLAGS"
1743 if $dynamic_list; then
1744 found="-Wl,--dynamic-list"
1745 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1748 RDYNAMIC="-rdynamic"
1751 AC_MSG_RESULT($found)
1753 dnl For certain native configurations, we need to check whether thread
1754 dnl support can be built in or not.
1756 dnl Note that we only want this if we are both native (host == target),
1757 dnl and not doing a canadian cross build (build == host).
1759 if test ${build} = ${host} -a ${host} = ${target} ; then
1762 AC_MSG_CHECKING(for AiX thread debugging library)
1763 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1764 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1765 [#ifndef PTHDB_VERSION_3
1768 gdb_cv_have_aix_thread_debug=yes,
1769 gdb_cv_have_aix_thread_debug=no)])
1770 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1771 if test $gdb_cv_have_aix_thread_debug = yes; then
1772 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1773 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1774 LIBS="$LIBS -lpthdebug"
1776 # Older versions of AIX do not provide the declaration for
1777 # the getthrds function (it appears that it was introduced
1779 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1783 AC_SUBST(CONFIG_LDFLAGS)
1786 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1787 dnl other error codes.
1788 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1789 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1790 gdb_cv_thread_db_h_has_td_notalloc,
1792 [#include <thread_db.h>],
1793 [int i = TD_NOTALLOC;],
1794 gdb_cv_thread_db_h_has_td_notalloc=yes,
1795 gdb_cv_thread_db_h_has_td_notalloc=no
1798 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1799 gdb_cv_thread_db_h_has_td_version,
1801 [#include <thread_db.h>],
1802 [int i = TD_VERSION;],
1803 gdb_cv_thread_db_h_has_td_version=yes,
1804 gdb_cv_thread_db_h_has_td_version=no
1807 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1808 gdb_cv_thread_db_h_has_td_notls,
1810 [#include <thread_db.h>],
1811 [int i = TD_NOTLS;],
1812 gdb_cv_thread_db_h_has_td_notls=yes,
1813 gdb_cv_thread_db_h_has_td_notls=no
1817 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1818 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1819 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1821 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1822 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1823 [Define if <thread_db.h> has the TD_VERSION error code.])
1825 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1826 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1827 [Define if <thread_db.h> has the TD_NOTLS error code.])
1830 dnl Check if we can disable the virtual address space randomization.
1831 dnl The functionality of setarch -R.
1832 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1833 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1834 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1835 # define ADDR_NO_RANDOMIZE 0x0040000
1837 /* Test the flag could be set and stays set. */
1838 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1839 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1841 AC_RUN_IFELSE([PERSONALITY_TEST],
1842 [have_personality=true],
1843 [have_personality=false],
1844 [AC_LINK_IFELSE([PERSONALITY_TEST],
1845 [have_personality=true],
1846 [have_personality=false])])
1847 if $have_personality
1849 AC_DEFINE([HAVE_PERSONALITY], 1,
1850 [Define if you support the personality syscall.])
1853 dnl Set the host's .gdbinit filename.
1862 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1864 dnl Handle optional features that can be enabled.
1866 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1867 # except that the argument to --with-sysroot is optional.
1868 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1869 if test "x$with_sysroot" = xyes; then
1870 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1872 AC_ARG_WITH(sysroot,
1873 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1874 [search for usr/lib et al within DIR]),
1875 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1876 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1877 [search for usr/lib et al within DIR])
1878 AC_SUBST(TARGET_SYSTEM_ROOT)
1879 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1881 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1882 [automatically load a system-wide gdbinit file],
1887 # In the Cygwin environment, we need some additional flags.
1888 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1889 [AC_EGREP_CPP(^lose$, [
1890 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1892 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1895 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1896 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1898 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1899 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1900 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1902 AC_SUBST(SER_HARDWIRE)
1904 # libreadline needs libuser32.a in a cygwin environment
1906 if test x$gdb_cv_os_cygwin = xyes; then
1907 WIN32LIBS="-luser32"
1909 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1914 # The ser-tcp.c module requires sockets.
1917 AC_DEFINE(USE_WIN32API, 1,
1918 [Define if we should use the Windows API, instead of the
1919 POSIX API. On Windows, we use the Windows API when
1920 building for MinGW, but the POSIX API when building
1922 WIN32LIBS="$WIN32LIBS -lws2_32"
1927 # Add ELF support to GDB, but only if BFD includes ELF support.
1928 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1929 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1930 if test $gdb_cv_var_elf = yes; then
1931 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1932 AC_DEFINE(HAVE_ELF, 1,
1933 [Define if ELF support should be included.])
1934 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1935 if test "$plugins" = "yes"; then
1936 AC_SEARCH_LIBS(dlopen, dl)
1940 # Add macho support to GDB, but only if BFD includes it.
1941 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1942 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1943 if test $gdb_cv_var_macho = yes; then
1944 CONFIG_OBS="$CONFIG_OBS machoread.o"
1947 # Add any host-specific objects to GDB.
1948 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1950 # If building on ELF, look for lzma support for embedded compressed debug info.
1951 if test $gdb_cv_var_elf = yes; then
1953 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1954 [], [with_lzma=auto])
1955 AC_MSG_CHECKING([whether to use lzma])
1956 AC_MSG_RESULT([$with_lzma])
1958 if test "${with_lzma}" != no; then
1959 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1960 [lzma_index_iter iter;
1961 lzma_index_iter_init (&iter, 0);
1962 lzma_mf_is_supported (LZMA_MF_HC3);])
1963 if test "$HAVE_LIBLZMA" != yes; then
1964 if test "$with_lzma" = yes; then
1965 AC_MSG_ERROR([missing liblzma for --with-lzma])
1971 LIBGUI="../libgui/src/libgui.a"
1972 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1974 AC_SUBST(GUI_CFLAGS_X)
1978 AC_SUBST(WIN32LDAPP)
1981 *-*-cygwin* | *-*-mingw* )
1990 if test "${enable_gdbtk}" = "yes"; then
1992 # Gdbtk must have an absolute path to srcdir in order to run
1993 # properly when not installed.
2001 # If $no_tk is nonempty, then we can't do Tk, and there is no
2002 # point to doing Tcl.
2005 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2008 # Check for in-tree tcl
2015 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2019 # Find Tcl private headers
2020 if test x"${intree}" = xno; then
2021 CY_AC_TCL_PRIVATE_HEADERS
2022 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2023 TCL_LIBRARY="${TCL_LIB_SPEC}"
2026 # If building tcl in the same src tree, private headers
2027 # are not needed, but we need to be sure to use the right
2029 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2030 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2031 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2033 AC_SUBST(TCL_INCLUDE)
2034 AC_SUBST(TCL_LIBRARY)
2039 # Check for in-tree Tk
2041 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2045 # Find Tk private headers
2046 if test x"${intree}" = xno; then
2047 CY_AC_TK_PRIVATE_HEADERS
2048 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2049 TK_LIBRARY=${TK_LIB_SPEC}
2052 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2053 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2054 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2056 AC_SUBST(TK_INCLUDE)
2057 AC_SUBST(TK_LIBRARY)
2059 AC_SUBST(TK_XINCLUDES)
2061 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2063 # Include some libraries that Tcl and Tk want.
2064 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2065 # Yes, the ordering seems wrong here. But it isn't.
2066 # TK_LIBS is the list of libraries that need to be linked
2067 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2068 # were in LIBS then any link tests after this point would
2069 # try to include things like `$(LIBGUI)', which wouldn't work.
2070 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2072 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2073 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2074 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2075 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2076 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2077 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2078 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2080 if test x$gdb_cv_os_cygwin = xyes; then
2081 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2082 WIN32LDAPP="-Wl,--subsystem,console"
2083 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2086 AC_CONFIG_SUBDIRS(gdbtk)
2094 AC_SUBST(GDBTK_CFLAGS)
2095 AC_SUBST(GDBTK_SRC_DIR)
2099 # Unlike the sim directory, whether a simulator is linked is controlled by
2100 # presence of a gdb_sim definition in the target configure.tgt entry.
2101 # This code just checks for a few cases where we'd like to ignore those
2102 # definitions, even when they're present in the '.mt' file. These cases
2103 # are when --disable-sim is specified, or if the simulator directory is
2104 # not part of the source tree.
2107 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2108 [echo "enable_sim = $enable_sim";
2109 echo "enableval = ${enableval}";
2110 case "${enableval}" in
2111 yes) ignore_sim=false ;;
2112 no) ignore_sim=true ;;
2113 *) ignore_sim=false ;;
2117 if test ! -d "${srcdir}/../sim"; then
2123 if test "${ignore_sim}" = "false"; then
2124 if test x"${gdb_sim}" != x ; then
2126 SIM_OBS="remote-sim.o"
2127 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2129 # Some tdep code should only be compiled in when the ppc sim is
2130 # built. PR sim/13418.
2133 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2141 AC_SUBST(ENABLE_CFLAGS)
2142 AC_SUBST(PROFILE_CFLAGS)
2144 AC_SUBST(CONFIG_OBS)
2145 AC_SUBST(CONFIG_DEPS)
2146 AC_SUBST(CONFIG_SRCS)
2147 AC_SUBST(CONFIG_ALL)
2148 AC_SUBST(CONFIG_CLEAN)
2149 AC_SUBST(CONFIG_INSTALL)
2150 AC_SUBST(CONFIG_UNINSTALL)
2152 # List of host floatformats.
2153 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2154 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2155 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2157 # target_subdir is used by the testsuite to find the target libraries.
2159 if test "${host}" != "${target}"; then
2160 target_subdir="${target_alias}/"
2162 AC_SUBST(target_subdir)
2164 # Import nat definitions.
2165 nat_makefile_frag=/dev/null
2166 if test "${gdb_native}" = "yes"; then
2167 . ${srcdir}/configure.nat
2168 nativefile=$NAT_FILE
2172 AC_SUBST(NATDEPFILES)
2177 AC_SUBST(NAT_GENERATED_FILES)
2178 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2179 AC_SUBST_FILE(nat_makefile_frag)
2181 if test x"${gdb_osabi}" != x ; then
2182 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2183 [Define to the default OS ABI for this configuration.])
2186 # Enable multi-ice-gdb-server.
2187 AC_ARG_ENABLE(multi-ice,
2188 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2192 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2194 if test "x$enable_multi_ice" = xyes; then
2195 AC_CONFIG_SUBDIRS(multi-ice)
2198 AC_ARG_ENABLE(gdbserver,
2199 AS_HELP_STRING([--enable-gdbserver],
2200 [automatically build gdbserver (yes/no/auto, default is auto)]),
2201 [case "${enableval}" in
2203 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2204 esac],[enable_gdbserver=auto])
2206 # We only build gdbserver automatically in a native configuration, and
2207 # only if the user did not explicitly disable its build.
2208 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2209 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2210 if test "x$build_gdbserver" = xyes; then
2212 AC_CONFIG_SUBDIRS(gdbserver)
2213 gdbserver_build_enabled=yes
2219 # If the user explicitly request the gdbserver to be built, verify that
2220 # we were in fact able to enable it.
2221 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2222 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2225 # Check for babeltrace and babeltrace-ctf
2226 AC_ARG_WITH(babeltrace,
2227 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2228 [], [with_babeltrace=auto])
2229 AC_MSG_CHECKING([whether to use babeltrace])
2230 AC_MSG_RESULT([$with_babeltrace])
2232 if test "x$with_babeltrace" = "xno"; then
2233 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2235 # Append -Werror to CFLAGS so that configure can catch the warning
2236 # "assignment from incompatible pointer type", which is related to
2237 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2238 # in GDB, while babeltrace 1.0.3 is broken.
2239 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2240 # safe to save and restore CFLAGS here.
2241 saved_CFLAGS=$CFLAGS
2242 CFLAGS="$CFLAGS -Werror"
2243 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2244 [#include <babeltrace/babeltrace.h>
2245 #include <babeltrace/ctf/events.h>
2246 #include <babeltrace/ctf/iterator.h>],
2247 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2248 struct bt_ctf_event *event = NULL;
2249 const struct bt_definition *scope;
2251 pos->type = BT_SEEK_BEGIN;
2252 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2253 scope = bt_ctf_get_top_level_scope (event,
2254 BT_STREAM_EVENT_HEADER);
2255 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2257 CFLAGS=$saved_CFLAGS
2259 if test "$HAVE_LIBBABELTRACE" != yes; then
2260 if test "$with_babeltrace" = yes; then
2261 AC_MSG_ERROR([babeltrace is missing or unusable])
2263 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2268 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2275 if test "${nativefile}" != ""; then
2276 case "${nativefile}" in
2277 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2278 * ) GDB_NM_FILE="${nativefile}"
2280 files="${files} ${GDB_NM_FILE}"
2281 links="${links} nm.h"
2282 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2284 AC_SUBST(GDB_NM_FILE)
2286 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2287 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2288 if test "x$USE_MAINTAINER_MODE" = xyes; then
2289 if test "${XSLTPROC}" = missing; then
2290 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2295 AC_LINK_FILES($files, $links)
2297 dnl Check for exe extension set on certain hosts (e.g. Win32)
2300 dnl Detect the character set used by this host.
2301 dnl At the moment, we just assume it's UTF-8.
2302 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2303 [Define to be a string naming the default host character set.])
2305 if $development; then
2306 AC_DEFINE(GDB_SELF_TEST, 1,
2307 [Define if self-testing features should be enabled])
2308 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS) common/selftest.o selftest-arch.o"
2309 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS) common/selftest.c selftest-arch.c"
2312 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2313 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2314 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2315 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile],
2317 case x$CONFIG_HEADERS in
2318 xconfig.h:config.in)