1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2016 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 . $srcdir/../bfd/development.sh
32 AC_USE_SYSTEM_EXTENSIONS
41 # Dependency checking.
43 ZW_PROG_COMPILER_DEPENDENCIES([CC])
45 # Check for the 'make' the user wants to use.
46 AC_CHECK_PROGS(MAKE, make)
48 case "`$MAKE --version 2>&1 | sed 1q`" in
53 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
56 gnulib_extra_configure_args=
57 # If large-file support is disabled, make sure gnulib does the same.
58 if test "$enable_largefile" = no; then
59 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
62 # Configure gnulib. We need to build gnulib under some other
63 # directory not "gnulib", to avoid the problem of both GDB and
64 # GDBserver wanting to build it in the same directory, when building
66 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
67 ["$gnulib_extra_configure_args"])
69 dnl List of object files and targets accumulated by configure.
81 dnl Set up for gettext.
82 ZW_GNU_GETTEXT_SISTER_DIR
84 localedir='${datadir}/locale'
87 if test x"$USE_NLS" = xyes; then
88 CONFIG_ALL="$CONFIG_ALL all-po"
89 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
90 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
91 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
94 GNULIB=build-gnulib/import
96 # For Makefile dependencies.
98 if test x"$STDINT_H" != x; then
99 GNULIB_STDINT_H=$GNULIB/$STDINT_H
101 AC_SUBST(GNULIB_STDINT_H)
104 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
107 # We never need to detect it in this sub-configure.
108 # But preserve it for config.status --recheck.
110 [Parent configure detects if it is of sufficient version.])
111 AC_ARG_VAR(MAKEINFOFLAGS,
112 [Parameters for MAKEINFO.])
114 MAKEINFO_EXTRA_FLAGS=""
115 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
116 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
117 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
118 gdb_cv_have_makeinfo_click=yes
120 gdb_cv_have_makeinfo_click=no
122 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
123 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
125 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
127 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
128 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
131 # We can't pass paths as command line arguments.
132 # Mingw32 tries to be clever and will convert the paths for us.
133 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
134 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
135 # This breaks GDB's relocatable path conversions since paths passed in
136 # config.h would not get so translated, the path prefixes no longer match.
137 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
139 # GDB's datadir relocation
141 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
142 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
145 AC_ARG_WITH(relocated-sources,
146 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
147 [reloc_srcdir="${withval}"
148 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
149 [Relocated directory for source files. ])
152 AC_MSG_CHECKING([for default auto-load directory])
153 AC_ARG_WITH(auto-load-dir,
154 AS_HELP_STRING([--with-auto-load-dir=PATH],
155 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
156 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
157 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
158 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
159 [Directories from which to load auto-loaded scripts.])
160 AC_MSG_RESULT([$with_auto_load_dir])
162 AC_MSG_CHECKING([for default auto-load safe-path])
163 AC_ARG_WITH(auto-load-safe-path,
164 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
165 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
166 AS_HELP_STRING([--without-auto-load-safe-path],
167 [do not restrict auto-loaded files locations]),
168 [if test "$with_auto_load_safe_path" = "no"; then
169 with_auto_load_safe_path="/"
171 [with_auto_load_safe_path="$with_auto_load_dir"])
172 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
173 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
174 [Directories safe to hold auto-loaded files.])
175 AC_MSG_RESULT([$with_auto_load_safe_path])
177 AC_CONFIG_SUBDIRS(testsuite)
179 # Check whether to support alternative target configurations
180 AC_ARG_ENABLE(targets,
181 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
182 [case "${enableval}" in
183 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
185 no) enable_targets= ;;
186 *) enable_targets=$enableval ;;
189 # Check whether to enable 64-bit support on 32-bit hosts
190 AC_ARG_ENABLE(64-bit-bfd,
191 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
192 [case "${enableval}" in
195 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
196 esac],[want64=false])dnl
198 # Provide defaults for some variables set by the per-host and per-target
200 gdb_host_obs=posix-hdep.o
202 if test "${target}" = "${host}"; then
208 . $srcdir/configure.host
210 # Add in the common host objects.
211 . $srcdir/common/common.host
212 gdb_host_obs="$gdb_host_obs $common_host_obs"
214 # Accumulate some settings from configure.tgt over all enabled targets
218 HAVE_NATIVE_GCORE_TARGET=
220 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
222 if test "$targ_alias" = "all"; then
225 # Canonicalize the secondary target names.
226 result=`$ac_config_sub $targ_alias 2>/dev/null`
227 if test -n "$result"; then
233 . ${srcdir}/configure.tgt
235 AS_IF([test -z "${gdb_target_obs}"],
236 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
238 # Target-specific object files
239 for i in ${gdb_target_obs}; do
240 case " $TARGET_OBS " in
243 TARGET_OBS="$TARGET_OBS ${i}"
248 # Check whether this target needs 64-bit CORE_ADDR
249 if test x${want64} = xfalse; then
250 . ${srcdir}/../bfd/config.bfd
253 # Check whether this target is native and supports gcore.
254 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
255 && $gdb_have_gcore; then
256 HAVE_NATIVE_GCORE_TARGET=1
261 if test x${all_targets} = xtrue; then
263 # We want all 64-bit targets if we either:
264 # - run on a 64-bit host or
265 # - already require 64-bit support for some other target or
266 # - the --enable-64-bit-bfd option was supplied
267 # Otherwise we only support all 32-bit targets.
269 # NOTE: This test must be in sync with the corresponding
272 if test x${want64} = xfalse; then
273 AC_CHECK_SIZEOF(long)
274 if test "x${ac_cv_sizeof_long}" = "x8"; then
278 if test x${want64} = xtrue; then
279 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
281 TARGET_OBS='$(ALL_TARGET_OBS)'
286 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
288 # For other settings, only the main target counts.
292 targ=$target; . ${srcdir}/configure.tgt
294 # Fetch the default architecture and default target vector from BFD.
295 targ=$target; . $srcdir/../bfd/config.bfd
297 # We only want the first architecture, so strip off the others if
298 # there is more than one.
299 targ_archs=`echo $targ_archs | sed 's/ .*//'`
301 if test "x$targ_archs" != x; then
302 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
303 [Define to BFD's default architecture. ])
305 if test "x$targ_defvec" != x; then
306 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
307 [Define to BFD's default target vector. ])
310 # The CLI cannot be disabled yet, but may be in the future.
313 AC_ARG_ENABLE(gdbcli,
314 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
319 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
321 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
324 if test x"$enable_gdbcli" = xyes; then
325 if test -d $srcdir/cli; then
326 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
327 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
328 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
329 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
335 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
340 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
343 if test x"$enable_gdbmi" = xyes; then
344 if test -d $srcdir/mi; then
345 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
346 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
347 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
348 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
354 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
359 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
360 esac],enable_tui=auto)
364 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
369 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
371 [if test -d $srcdir/gdbtk; then
376 # We unconditionally disable gdbtk tests on selected platforms.
379 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
383 # Libunwind support for ia64.
385 AC_ARG_WITH(libunwind-ia64,
386 AS_HELP_STRING([--with-libunwind-ia64],
387 [use libunwind frame unwinding for ia64 targets]),,
388 [with_libunwind_ia64=auto])
390 # Backward compatibility option.
391 if test "${with_libunwind+set}" = set; then
392 if test x"$with_libunwind_ia64" != xauto; then
394 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
396 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
397 with_libunwind_ia64="$with_libunwind"
400 case "$with_libunwind_ia64" in
404 AC_CHECK_HEADERS(libunwind-ia64.h)
405 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
409 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
413 if test x"$with_libunwind_ia64" = xyes; then
414 AC_CHECK_HEADERS(libunwind-ia64.h)
415 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
416 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
418 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
419 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
420 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
424 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
427 if test "$opt_curses" = "yes"; then
432 AC_ARG_ENABLE(profiling,
433 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
438 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
440 [enable_profiling=no])
442 AC_CHECK_FUNCS(monstartup _mcleanup)
443 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
448 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
449 if test $ac_cv_var__etext = yes; then
450 AC_DEFINE(HAVE__ETEXT, 1,
451 [Define to 1 if your system has the _etext variable. ])
453 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
458 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
459 if test $ac_cv_var_etext = yes; then
460 AC_DEFINE(HAVE_ETEXT, 1,
461 [Define to 1 if your system has the etext variable. ])
463 if test "$enable_profiling" = yes ; then
464 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
465 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
469 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
471 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
472 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
473 ac_cv_cc_supports_pg=no)])
475 if test $ac_cv_cc_supports_pg = no; then
476 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
482 ACX_PKGVERSION([GDB])
483 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
484 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
485 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
487 # --------------------- #
488 # Checks for programs. #
489 # --------------------- #
497 AC_CHECK_TOOL(AR, ar)
498 AC_CHECK_TOOL(DLLTOOL, dlltool)
499 AC_CHECK_TOOL(WINDRES, windres)
503 # Needed for GNU Hurd hosts.
504 AC_CHECK_TOOL(MIG, mig)
505 if test x"$MIG" = x; then
506 AC_MSG_ERROR([MIG not found but required for $host hosts])
511 # ---------------------- #
512 # Checks for libraries. #
513 # ---------------------- #
515 # We might need to link with -lm; most simulators need it.
516 AC_CHECK_LIB(m, main)
518 # We need to link with -lw to get `wctype' on Solaris before Solaris
519 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
520 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
521 # is known to have this problem). Therefore we avoid libw if we can.
522 AC_CHECK_FUNC(wctype, [],
523 [AC_CHECK_LIB(w, wctype)])
525 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
526 AC_SEARCH_LIBS(gethostbyname, nsl)
528 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
529 AC_SEARCH_LIBS(socketpair, socket)
531 # Link in zlib if we can. This allows us to read compressed debug sections.
534 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
535 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
536 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
537 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
538 [Define to 1 if your system has the kinfo_getvmmap function. ])])
542 # GDB may fork/exec the iconv program to get the list of supported character
543 # sets. Allow the user to specify where to find it.
544 # There are several factors affecting the choice of option name:
545 # - There is already --with-libiconv-prefix but we can't use it, it specifies
546 # the build-time location of libiconv files.
547 # - The program we need to find is iconv, which comes with glibc. The user
548 # doesn't necessarily have libiconv installed. Therefore naming this
549 # --with-libiconv-foo feels wrong.
550 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
551 # defined to work on directories not files (though it really doesn't know
553 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
554 # with --with-libiconv-prefix.
555 # Putting these together is why the option name is --with-iconv-bin.
557 AC_ARG_WITH(iconv-bin,
558 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
559 [iconv_bin="${withval}"
560 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
561 [Path of directory of iconv program.])
562 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
565 # For the TUI, we need enhanced curses functionality.
566 if test x"$enable_tui" != xno; then
571 if test x"$prefer_curses" = xyes; then
572 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
573 # curses library because the latter might not provide all the
574 # functionality we need. However, this leads to problems on systems
575 # where the linker searches /usr/local/lib, but the compiler doesn't
576 # search /usr/local/include, if ncurses is installed in /usr/local. A
577 # default installation of ncurses on alpha*-dec-osf* will lead to such
579 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
581 if test "$ac_cv_search_waddstr" != no; then
586 # Check whether we should enable the TUI, but only do so if we really
588 if test x"$enable_tui" != xno; then
589 if test -d $srcdir/tui; then
590 if test "$curses_found" != no; then
591 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
592 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
593 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
594 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
596 if test x"$enable_tui" = xyes; then
597 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
599 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
605 # Since GDB uses Readline, we need termcap functionality. In many
606 # cases this will be provided by the curses library, but some systems
607 # have a seperate termcap library, or no curses library at all.
611 if test -d $srcdir/libtermcap; then
612 LIBS="../libtermcap/libtermcap.a $LIBS"
613 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
616 ac_cv_search_tgetent="none required"
620 # These are the libraries checked by Readline.
621 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
623 if test "$ac_cv_search_tgetent" = no; then
624 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
627 AC_ARG_WITH([system-readline],
628 [AS_HELP_STRING([--with-system-readline],
629 [use installed readline library])])
631 if test "$with_system_readline" = yes; then
635 READLINE_TEXI_INCFLAG=
637 READLINE='$(READLINE_DIR)/libreadline.a'
638 READLINE_DEPS='$(READLINE)'
639 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
640 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
643 AC_SUBST(READLINE_DEPS)
644 AC_SUBST(READLINE_CFLAGS)
645 AC_SUBST(READLINE_TEXI_INCFLAG)
647 # Generate jit-reader.h
649 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
652 AC_CHECK_SIZEOF(unsigned long long)
653 AC_CHECK_SIZEOF(unsigned long)
654 AC_CHECK_SIZEOF(unsigned __int128)
656 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
657 TARGET_PTR="unsigned long"
658 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
659 TARGET_PTR="unsigned long long"
660 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
661 TARGET_PTR="unsigned __int128"
663 TARGET_PTR="unsigned long"
667 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
669 AC_SEARCH_LIBS(dlopen, dl)
671 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
672 [directory to load the JIT readers from],
676 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
677 [], [with_expat=auto])
678 AC_MSG_CHECKING([whether to use expat])
679 AC_MSG_RESULT([$with_expat])
681 if test "${with_expat}" = no; then
682 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
685 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
686 [XML_Parser p = XML_ParserCreate (0);])
687 if test "$HAVE_LIBEXPAT" != yes; then
688 if test "$with_expat" = yes; then
689 AC_MSG_ERROR([expat is missing or unusable])
691 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
695 LIBS="$LIBS $LIBEXPAT"
696 AC_CHECK_FUNCS(XML_StopParser)
701 # --------------------- #
702 # Check for libpython. #
703 # --------------------- #
705 dnl Utility to simplify finding libpython.
707 dnl $2 = the shell variable to assign the result to
708 dnl If libpython is found we store $version here.
709 dnl $3 = additional flags to add to CPPFLAGS
710 dnl $4 = additional flags to add to LIBS
712 AC_DEFUN([AC_TRY_LIBPYTHON],
715 define([have_libpython_var],$2)
718 AC_MSG_CHECKING([for ${version}])
719 save_CPPFLAGS=$CPPFLAGS
721 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
722 LIBS="$LIBS $new_LIBS"
723 found_usable_python=no
724 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
725 [[Py_Initialize ();]]),
726 [have_libpython_var=${version}
727 found_usable_python=yes
728 PYTHON_CPPFLAGS=$new_CPPFLAGS
729 PYTHON_LIBS=$new_LIBS])
730 CPPFLAGS=$save_CPPFLAGS
732 AC_MSG_RESULT([${found_usable_python}])
735 dnl There are several different values for --with-python:
737 dnl no - Don't include python support.
738 dnl yes - Include python support, error if it's missing.
739 dnl If we find python in $PATH, use it to fetch configure options,
740 dnl otherwise assume the compiler can find it with no help from us.
741 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
742 dnl auto - Same as "yes", but if python is missing from the system,
743 dnl fall back to "no".
744 dnl /path/to/python/exec-prefix -
745 dnl Use the python located in this directory.
746 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
747 dnl the compilation parameters. Otherwise use
748 dnl -I/path/to/python/exec-prefix/include,
749 dnl -L/path/to/python/exec-prefix/lib.
750 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
751 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
752 dnl but is deprecated.
753 dnl /path/to/python/executable -
754 dnl Run python-config.py with this version of python to fetch the
755 dnl compilation parameters.
756 dnl NOTE: This needn't be the real python executable.
757 dnl In a cross-compilation scenario (build != host), this could be
758 dnl a shell script that provides what python-config.py provides for
759 dnl --ldflags, --includes, --exec-prefix.
760 dnl python-executable -
761 dnl Find python-executable in $PATH, and then handle the same as
762 dnl /path/to/python/executable.
764 dnl If a python program is specified, it is used to run python-config.py and
765 dnl is passed --ldflags, --includes, --exec-prefix.
768 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
769 [], [with_python=auto])
770 AC_MSG_CHECKING([whether to use python])
771 AC_MSG_RESULT([$with_python])
773 if test "${with_python}" = no; then
774 AC_MSG_WARN([python support disabled; some features may be unavailable.])
777 case "${with_python}" in
778 [[\\/]]* | ?:[[\\/]]*)
779 if test -d ${with_python}; then
780 # Assume the python binary is ${with_python}/bin/python.
781 python_prog="${with_python}/bin/python"
783 # If python does not exit ${with_python}/bin, then try in
784 # ${with_python}. On Windows/MinGW, this is where the Python
786 if test ! -x "${python_prog}"; then
787 python_prog="${with_python}/python"
790 if test ! -x "${python_prog}"; then
791 # Fall back to gdb 7.0/7.1 behaviour.
793 python_prefix=${with_python}
795 elif test -x "${with_python}"; then
796 # While we can't run python compiled for $host (unless host == build),
797 # the user could write a script that provides the needed information,
798 # so we support that.
799 python_prog=${with_python}
802 AC_ERROR(invalid value for --with-python)
806 # Disallow --with-python=foo/bar.
807 AC_ERROR(invalid value for --with-python)
810 # The user has either specified auto, yes, or the name of the python
811 # program assumed to be in $PATH.
813 case "${with_python}" in
815 if test ${build} = ${host}; then
816 AC_PATH_PROG(python_prog_path, python, missing)
817 if test "${python_prog_path}" = missing; then
820 python_prog=${python_prog_path}
823 # Not much we can do except assume the cross-compiler will find the
829 # While we can't run python compiled for $host (unless host == build),
830 # the user could write a script that provides the needed information,
831 # so we support that.
832 python_prog="${with_python}"
833 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
834 if test "${python_prog_path}" = missing; then
835 AC_ERROR(unable to find python program ${python_prog})
841 if test "${python_prog}" != missing; then
842 # We have a python program to use, but it may be too old.
843 # Don't flag an error for --with-python=auto (the default).
844 have_python_config=yes
845 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
846 if test $? != 0; then
847 have_python_config=failed
848 if test "${with_python}" != auto; then
849 AC_ERROR(failure running python-config --includes)
852 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
853 if test $? != 0; then
854 have_python_config=failed
855 if test "${with_python}" != auto; then
856 AC_ERROR(failure running python-config --ldflags)
859 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
860 if test $? != 0; then
861 have_python_config=failed
862 if test "${with_python}" != auto; then
863 AC_ERROR(failure running python-config --exec-prefix)
867 # We do not have a python executable we can use to determine where
868 # to find the Python headers and libs. We cannot guess the include
869 # path from the python_prefix either, because that include path
870 # depends on the Python version. So, there is nothing much we can
871 # do except assume that the compiler will be able to find those files.
874 have_python_config=no
877 # If we have python-config, only try the configuration it provides.
878 # Otherwise fallback on the old way of trying different versions of
882 if test "${have_python_config}" = yes; then
883 # Determine the Python version by extracting "-lpython<version>"
884 # part of the python_libs. <version> is usually X.Y with X and Y
885 # being decimal numbers, but can also be XY (seen on Windows).
887 # The extraction is performed using sed with a regular expression.
888 # Initially, the regexp used was using the '?' quantifier to make
889 # the dot in the version number optional. Unfortunately, this
890 # does not work with non-GNU versions of sed because, because of
891 # what looks like a limitation (the '?' quantifier does not work
892 # with back-references). We work around this limitation by using
893 # the '*' quantifier instead. It means that, in theory, we might
894 # match unexpected version strings such as "-lpython2..7", but
895 # this seems unlikely in practice. And even if that happens,
896 # an error will be triggered later on, when checking that version
898 python_version=`echo " ${python_libs} " \
899 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
900 case "${python_version}" in
902 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
903 ${python_includes}, ${python_libs})
906 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
909 elif test "${have_python_config}" != failed; then
910 if test "${have_libpython}" = no; then
911 AC_TRY_LIBPYTHON(python2.7, have_libpython,
912 ${python_includes}, "${python_libs} -lpython2.7")
914 if test "${have_libpython}" = no; then
915 AC_TRY_LIBPYTHON(python2.6, have_libpython,
916 ${python_includes}, "${python_libs} -lpython2.6")
918 if test ${have_libpython} = no; then
919 AC_TRY_LIBPYTHON(python2.5, have_libpython,
920 ${python_includes}, "${python_libs} -lpython2.5")
922 if test ${have_libpython} = no; then
923 AC_TRY_LIBPYTHON(python2.4, have_libpython,
924 ${python_includes}, "${python_libs} -lpython2.4")
927 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
928 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
929 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
930 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
931 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
932 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
933 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
934 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
937 if test "${have_libpython}" = no; then
938 case "${with_python}" in
940 AC_MSG_ERROR([python is missing or unusable])
943 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
946 AC_MSG_ERROR([no usable python found at ${with_python}])
950 if test -n "${python_prefix}"; then
951 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
952 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
953 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
958 if test "${have_libpython}" != no; then
959 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
960 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
961 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
962 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
963 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
964 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
966 # Flags needed to compile Python code (taken from python-config --cflags).
967 # We cannot call python-config directly because it will output whatever was
968 # used when compiling the Python interpreter itself, including flags which
969 # would make the python-related objects be compiled differently from the
970 # rest of GDB (e.g., -O2 and -fPIC).
971 if test "${GCC}" = yes; then
972 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
975 if test "x${tentative_python_cflags}" != x; then
976 AC_MSG_CHECKING(compiler flags for python code)
977 for flag in ${tentative_python_cflags}; do
978 # Check that the compiler accepts it
979 saved_CFLAGS="$CFLAGS"
980 CFLAGS="$CFLAGS $flag"
981 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
982 CFLAGS="$saved_CFLAGS"
984 AC_MSG_RESULT(${PYTHON_CFLAGS})
987 # On x64 Windows, Python's include headers, and pyconfig.h in
988 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
989 # version of Windows. Unfortunately, MS_WIN64 is only defined if
990 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
991 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
992 # The issue was reported to the Python community, but still isn't
993 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
997 if test "${GCC}" = yes; then
998 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1003 # Note that "python -m threading" cannot be used to check for
1004 # threading support due to a bug in Python 2.7.3
1005 # (http://bugs.python.org/issue15567).
1006 AC_MSG_CHECKING(whether python supports threads)
1007 saved_CPPFLAGS="${CPPFLAGS}"
1008 CPPFLAGS="${PYTHON_CPPFLAGS}"
1009 # Note that the test is reversed so that python_has_threads=yes on
1010 # unexpected failures.
1011 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1016 ]]), [python_has_threads=no], [python_has_threads=yes])
1017 AC_MSG_RESULT(${python_has_threads})
1018 CPPFLAGS="${saved_CPPFLAGS}"
1020 # Even if Python support is not compiled in, we need to have this file
1021 # included so that the "python" command, et.al., still exists.
1022 CONFIG_OBS="$CONFIG_OBS python.o"
1023 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1026 # Work around Python http://bugs.python.org/issue10112. See also
1027 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1028 # no effect. Note that the only test after this that uses Python is
1029 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1030 # run without -export-dynamic too.
1031 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1033 AC_SUBST(PYTHON_CFLAGS)
1034 AC_SUBST(PYTHON_CPPFLAGS)
1035 AC_SUBST(PYTHON_LIBS)
1036 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1038 # -------------------- #
1039 # Check for libguile. #
1040 # -------------------- #
1042 dnl Utility to simplify finding libguile.
1043 dnl $1 = pkg-config-program
1044 dnl $2 = space-separate list of guile versions to try
1045 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1046 dnl $4 = the shell variable to assign the result to
1047 dnl If libguile is found we store "yes" here.
1049 AC_DEFUN([AC_TRY_LIBGUILE],
1052 guile_version_list=$2
1054 define([have_libguile_var],$4)
1055 found_usable_guile=checking
1056 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1057 for guile_version in ${guile_version_list}; do
1058 ${pkg_config} --exists ${guile_version} 2>/dev/null
1059 if test $? != 0; then
1062 dnl pkg-config says the package exists, so if we get an error now,
1064 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1065 if test $? != 0; then
1066 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1068 new_LIBS=`${pkg_config} --libs ${guile_version}`
1069 if test $? != 0; then
1070 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1072 dnl If we get this far, great.
1073 found_usable_guile=${guile_version}
1076 if test "${found_usable_guile}" = "checking"; then
1077 if test "${flag_errors}" = "yes"; then
1078 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1080 found_usable_guile=no
1083 dnl One final sanity check.
1084 dnl The user could have said --with-guile=python-2.7.
1085 if test "${found_usable_guile}" != no; then
1086 save_CPPFLAGS=$CPPFLAGS
1088 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1089 LIBS="$LIBS $new_LIBS"
1090 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1091 [[scm_init_guile ();]]),
1092 [have_libguile_var=yes
1093 GUILE_CPPFLAGS=$new_CPPFLAGS
1094 GUILE_LIBS=$new_LIBS],
1095 [found_usable_guile=no])
1096 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1097 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1098 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1099 [Define if Guile supports manual finalization.])
1101 CPPFLAGS=$save_CPPFLAGS
1103 if test "${found_usable_guile}" = no; then
1104 if test "${flag_errors}" = yes; then
1105 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1109 AC_MSG_RESULT([${found_usable_guile}])
1112 dnl There are several different values for --with-guile:
1114 dnl no - Don't include guile support.
1115 dnl yes - Include guile support, error if it's missing.
1116 dnl The pkg-config program must be in $PATH.
1117 dnl auto - Same as "yes", but if guile is missing from the system,
1118 dnl fall back to "no".
1119 dnl guile-version [guile-version-choice-2 ...] -
1120 dnl A space-separated list of guile package versions to try.
1121 dnl These are passed to pkg-config as-is.
1122 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1123 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1124 dnl /path/to/pkg-config -
1125 dnl Use this pkg-config program.
1126 dnl NOTE: This needn't be the "real" pkg-config program.
1127 dnl It could be a shell script. It is invoked as:
1128 dnl pkg-config --exists $version
1129 dnl pkg-config --cflags $version
1130 dnl pkg-config --libs $version
1131 dnl pkg-config --variable guild $version
1132 dnl The script will be called with $version having each value in
1133 dnl $try_guile_versions until --exists indicates success.
1136 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1137 [], [with_guile=auto])
1138 AC_MSG_CHECKING([whether to use guile])
1139 AC_MSG_RESULT([$with_guile])
1141 dnl We check guile with pkg-config.
1142 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1144 try_guile_versions="guile-2.2 guile-2.0"
1146 case "${with_guile}" in
1148 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1151 if test "${pkg_config_prog_path}" = "missing"; then
1152 AC_MSG_WARN([pkg-config not found, guile support disabled])
1154 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1158 if test "${pkg_config_prog_path}" = "missing"; then
1159 AC_MSG_ERROR([pkg-config not found])
1161 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1163 [[\\/]]* | ?:[[\\/]]*)
1164 if test -x "${with_guile}"; then
1165 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1167 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1171 # Disallow --with=guile="" and --with-guile=foo/bar.
1172 AC_MSG_ERROR([invalid value for --with-guile])
1175 # A space separate list of guile versions to try, in order.
1176 if test "${pkg_config_prog_path}" = "missing"; then
1177 AC_MSG_ERROR([pkg-config not found])
1179 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1183 if test "${have_libguile}" != no; then
1184 dnl Get the name of the 'guild' program.
1185 case "${with_guile}" in
1186 [[\\/]]* | ?:[[\\/]]*)
1187 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1190 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1194 dnl Make sure guild can handle this host.
1195 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1196 dnl If not, disable guile support.
1197 if test "$ac_cv_guild_ok" = no; then
1199 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1203 if test "${have_libguile}" != no; then
1204 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1205 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1206 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1207 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1208 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1209 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1211 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1213 save_CPPFLAGS="$CPPFLAGS"
1215 CPPFLAGS="$GUILE_CPPFLAGS"
1216 AC_CHECK_FUNCS([scm_new_smob])
1218 CPPFLAGS="$save_CPPFLAGS"
1220 # Even if Guile support is not compiled in, we need to have these files
1222 CONFIG_OBS="$CONFIG_OBS guile.o"
1223 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1225 AC_SUBST(GUILE_CPPFLAGS)
1226 AC_SUBST(GUILE_LIBS)
1227 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1229 # --------------------- #
1230 # Check for libmcheck. #
1231 # --------------------- #
1233 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1234 # but turn it off if Python is enabled with threads, since -lmcheck is
1235 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1237 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1238 && $development; then
1239 libmcheck_default=yes
1241 libmcheck_default=no
1243 GDB_AC_LIBMCHECK(${libmcheck_default})
1245 if test "$ENABLE_LIBMCHECK" = "yes" \
1246 -a "${have_libpython}" != "no" \
1247 -a "${python_has_threads}" = "yes" ; then
1248 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1251 AC_ARG_WITH(intel_pt,
1252 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1253 [], [with_intel_pt=auto])
1254 AC_MSG_CHECKING([whether to use intel pt])
1255 AC_MSG_RESULT([$with_intel_pt])
1257 if test "${with_intel_pt}" = no; then
1258 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1261 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1262 #include <linux/perf_event.h>
1263 #ifndef PERF_ATTR_SIZE_VER5
1266 ]]), [perf_event=yes], [perf_event=no])
1267 if test "$perf_event" != yes; then
1268 if test "$with_intel_pt" = yes; then
1269 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1271 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1275 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1276 if test "$HAVE_LIBIPT" != yes; then
1277 if test "$with_intel_pt" = yes; then
1278 AC_MSG_ERROR([libipt is missing or unusable])
1280 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1285 # ------------------------- #
1286 # Checks for header files. #
1287 # ------------------------- #
1290 # elf_hp.h is for HP/UX 64-bit shared library support.
1291 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1294 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1295 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1296 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1297 termios.h termio.h \
1300 AC_CHECK_HEADERS(sys/proc.h, [], [],
1301 [#if HAVE_SYS_PARAM_H
1302 # include <sys/param.h>
1305 AC_CHECK_HEADERS(sys/user.h, [], [],
1306 [#if HAVE_SYS_PARAM_H
1307 # include <sys/param.h>
1311 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1312 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1313 # think that we don't have <curses.h> if we're using GCC.
1316 if test "$GCC" = yes; then
1317 AC_DEFINE(_MSE_INT_H, 1,
1318 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1319 Solaris 2.[789] when using GCC. ])
1322 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1323 AC_CHECK_HEADERS(term.h, [], [],
1325 # include <curses.h>
1329 # ------------------------- #
1330 # Checks for declarations. #
1331 # ------------------------- #
1335 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1338 # ----------------------- #
1339 # Checks for structures. #
1340 # ----------------------- #
1342 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1344 # ------------------ #
1345 # Checks for types. #
1346 # ------------------ #
1348 AC_CHECK_TYPES(socklen_t, [], [],
1349 [#include <sys/types.h>
1350 #include <sys/socket.h>
1353 # ------------------------------------- #
1354 # Checks for compiler characteristics. #
1355 # ------------------------------------- #
1361 # ------------------------------ #
1362 # Checks for library functions. #
1363 # ------------------------------ #
1367 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1368 pipe poll pread pread64 pwrite resize_term \
1369 sbrk setpgid setpgrp setsid \
1370 sigaction sigprocmask sigsetmask socketpair \
1371 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1372 setrlimit getrlimit posix_madvise waitpid \
1373 ptrace64 sigaltstack mkdtemp setns])
1377 # Check the return and argument types of ptrace.
1380 dnl AC_FUNC_SETPGRP does not work when cross compiling
1381 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1382 if test "$cross_compiling" = no; then
1385 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1389 if (setpgrp(1,1) == -1)
1393 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1394 if test $ac_cv_func_setpgrp_void = yes; then
1395 AC_DEFINE(SETPGRP_VOID, 1)
1399 # Assume we'll default to using the included libiberty regex.
1400 gdb_use_included_regex=yes
1402 # However, if the system regex is GNU regex, then default to *not*
1403 # using the included regex.
1406 [gdb_cv_have_gnu_regex],
1408 [#include <gnu-versions.h>],
1409 [#define REGEX_INTERFACE_VERSION 1
1410 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1411 # error "Version mismatch"
1413 gdb_cv_have_gnu_regex=yes,
1414 gdb_cv_have_gnu_regex=no)])
1415 if test $gdb_cv_have_gnu_regex = yes; then
1416 gdb_use_included_regex=no
1419 AC_ARG_WITH(included-regex,
1420 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1421 gdb_with_regex=$withval,
1422 gdb_with_regex=$gdb_use_included_regex)
1423 if test "$gdb_with_regex" = yes; then
1424 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1425 [Define to 1 if the regex included in libiberty should be used.])
1428 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1429 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1430 [#include <sys/param.h>
1431 #include <sys/proc.h>
1434 # See if <sys/lwp.h> defines `struct lwp`.
1435 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1436 [AC_TRY_COMPILE([#include <sys/param.h>
1437 #include <sys/lwp.h>], [struct lwp l;],
1438 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1439 if test $gdb_cv_struct_lwp = yes; then
1440 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1441 [Define to 1 if your system has struct lwp.])
1444 # See if <machine/reg.h> degines `struct reg'.
1445 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1446 [AC_TRY_COMPILE([#include <sys/types.h>
1447 #include <machine/reg.h>], [struct reg r;],
1448 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1449 if test $gdb_cv_struct_reg = yes; then
1450 AC_DEFINE(HAVE_STRUCT_REG, 1,
1451 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1454 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1455 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1456 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1457 [#include <sys/types.h>
1458 #include <machine/reg.h>])
1460 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1461 # Older amd64 Linux's don't have the fs_base and gs_base members of
1462 # `struct user_regs_struct'.
1463 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1464 [], [], [#include <sys/user.h>])
1466 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1467 AC_MSG_CHECKING(for PTRACE_GETREGS)
1468 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1469 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1471 [gdb_cv_have_ptrace_getregs=yes],
1472 [gdb_cv_have_ptrace_getregs=no])])
1473 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1474 if test $gdb_cv_have_ptrace_getregs = yes; then
1475 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1476 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1479 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1480 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1481 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1482 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1483 [PTRACE_GETFPXREGS;],
1484 [gdb_cv_have_ptrace_getfpxregs=yes],
1485 [gdb_cv_have_ptrace_getfpxregs=no])])
1486 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1487 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1488 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1489 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1492 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1493 AC_MSG_CHECKING(for PT_GETDBREGS)
1494 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1495 [AC_TRY_COMPILE([#include <sys/types.h>
1496 #include <sys/ptrace.h>],
1498 [gdb_cv_have_pt_getdbregs=yes],
1499 [gdb_cv_have_pt_getdbregs=no])])
1500 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1501 if test $gdb_cv_have_pt_getdbregs = yes; then
1502 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1503 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1506 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1507 AC_MSG_CHECKING(for PT_GETXMMREGS)
1508 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1509 [AC_TRY_COMPILE([#include <sys/types.h>
1510 #include <sys/ptrace.h>],
1512 [gdb_cv_have_pt_getxmmregs=yes],
1513 [gdb_cv_have_pt_getxmmregs=no])])
1514 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1515 if test $gdb_cv_have_pt_getxmmregs = yes; then
1516 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1517 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1520 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1521 # Older FreeBSD versions don't have the pl_tdname member of
1522 # `struct ptrace_lwpinfo'.
1523 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1524 [#include <sys/ptrace.h>])
1526 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1527 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1529 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1530 [#include <sys/ptrace.h>])
1532 # Detect which type of /proc is in use, such as for Solaris.
1534 if test "${target}" = "${host}"; then
1536 *-*-sysv4.2* | *-*-sysv5* )
1537 AC_DEFINE(NEW_PROC_API, 1,
1538 [Define if you want to use new multi-fd /proc interface.])
1540 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1541 AC_DEFINE(NEW_PROC_API, 1,
1542 [Define if you want to use new multi-fd /proc interface.])
1545 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1546 AC_DEFINE([_KMEMUSER], 1,
1547 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1548 around a <sys/proc.h> problem on IRIX 5.])
1553 if test "$ac_cv_header_sys_procfs_h" = yes; then
1554 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1555 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1556 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1557 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1558 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1559 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1560 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1561 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1562 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1563 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1564 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1567 dnl Check for broken prfpregset_t type
1569 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1570 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1571 dnl instead of the struct itself). We detect this here, and work
1572 dnl around it in gdb_proc_service.h.
1574 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1575 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1576 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1577 [AC_TRY_RUN([#include <sys/procfs.h>
1580 if (sizeof (prfpregset_t) == sizeof (void *))
1584 gdb_cv_prfpregset_t_broken=no,
1585 gdb_cv_prfpregset_t_broken=yes,
1586 gdb_cv_prfpregset_t_broken=yes)])
1587 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1588 if test $gdb_cv_prfpregset_t_broken = yes; then
1589 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1590 [Define if the prfpregset_t type is broken.])
1595 # Check if the compiler supports the `long long' type.
1597 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1598 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1599 [[extern long long foo;]],
1600 [[switch (foo & 2) { case 0: return 1; }]])],
1601 gdb_cv_c_long_long=yes,
1602 gdb_cv_c_long_long=no)])
1603 if test $gdb_cv_c_long_long != yes; then
1604 # libdecnumber requires long long.
1605 AC_MSG_ERROR([Compiler must support long long for GDB.])
1608 # Check if the compiler and runtime support printing long longs.
1610 AC_CACHE_CHECK([for long long support in printf],
1611 gdb_cv_printf_has_long_long,
1612 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1615 l = (l << 16) + 0x0123;
1616 l = (l << 16) + 0x4567;
1617 l = (l << 16) + 0x89ab;
1618 l = (l << 16) + 0xcdef;
1619 sprintf (buf, "0x%016llx", l);
1620 return (strcmp ("0x0123456789abcdef", buf));]])],
1621 gdb_cv_printf_has_long_long=yes,
1622 gdb_cv_printf_has_long_long=no,
1623 gdb_cv_printf_has_long_long=no)])
1624 if test $gdb_cv_printf_has_long_long = yes; then
1625 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1626 [Define to 1 if the "%ll" format works to print long longs.])
1629 # Check if the compiler and runtime support printing decfloats.
1631 AC_CACHE_CHECK([for decfloat support in printf],
1632 gdb_cv_printf_has_decfloat,
1633 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1635 _Decimal32 d32 = 1.2345df;
1636 _Decimal64 d64 = 1.2345dd;
1637 _Decimal128 d128 = 1.2345dl;
1638 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1639 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1640 gdb_cv_printf_has_decfloat=yes,
1641 gdb_cv_printf_has_decfloat=no,
1642 gdb_cv_printf_has_decfloat=no)])
1643 if test $gdb_cv_printf_has_decfloat = yes; then
1644 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1645 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1648 # Check if the compiler supports the `long double' type. We can't use
1649 # AC_C_LONG_DOUBLE because that one does additional checks on the
1650 # constants defined in <float.h> that fail on some systems,
1651 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1653 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1654 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1655 gdb_cv_c_long_double=yes,
1656 gdb_cv_c_long_double=no)])
1657 if test $gdb_cv_c_long_double = yes; then
1658 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1659 [Define to 1 if the compiler supports long double.])
1662 # Check if the compiler and runtime support printing long doubles.
1664 AC_CACHE_CHECK([for long double support in printf],
1665 gdb_cv_printf_has_long_double,
1666 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1668 long double f = 3.141592653;
1669 sprintf (buf, "%Lg", f);
1670 return (strncmp ("3.14159", buf, 7));]])],
1671 gdb_cv_printf_has_long_double=yes,
1672 gdb_cv_printf_has_long_double=no,
1673 gdb_cv_printf_has_long_double=no)])
1674 if test $gdb_cv_printf_has_long_double = yes; then
1675 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1676 [Define to 1 if the "%Lg" format works to print long doubles.])
1679 # Check if the compiler and runtime support scanning long doubles.
1681 AC_CACHE_CHECK([for long double support in scanf],
1682 gdb_cv_scanf_has_long_double,
1683 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1684 [[#include <stdio.h>]],
1685 [[char *buf = "3.141592653";
1687 sscanf (buf, "%Lg", &f);
1688 return !(f > 3.14159 && f < 3.14160);]])],
1689 gdb_cv_scanf_has_long_double=yes,
1690 gdb_cv_scanf_has_long_double=no,
1691 gdb_cv_scanf_has_long_double=no)])
1692 if test $gdb_cv_scanf_has_long_double = yes; then
1693 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1694 [Define to 1 if the "%Lg" format works to scan long doubles.])
1699 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1700 SAVE_LDFLAGS=$LDFLAGS
1703 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1704 *) gdb_cv_bigtoc=-bbigtoc ;;
1707 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1708 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1709 LDFLAGS="${SAVE_LDFLAGS}"
1711 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1715 AC_MSG_CHECKING(for the dynamic export flag)
1717 if test "${gdb_native}" = yes; then
1718 # The dynamically loaded libthread_db needs access to symbols in the gdb
1719 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1720 # may not be supported there.
1721 old_LDFLAGS="$LDFLAGS"
1722 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1723 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1724 LDFLAGS="$LDFLAGS $RDYNAMIC"
1725 if test "${have_libpython}" = no; then
1726 AC_TRY_LINK([], [], [dynamic_list=true])
1728 # Workaround http://bugs.python.org/issue4434 where static
1729 # libpythonX.Y.a would get its symbols required for
1730 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1731 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1733 # Note the workaround for Python
1734 # http://bugs.python.org/issue10112 earlier has removed
1735 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1736 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1738 old_CFLAGS="$CFLAGS"
1739 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1741 LIBS="$LIBS $PYTHON_LIBS"
1742 old_CPPFLAGS="$CPPFLAGS"
1743 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1746 [#include "Python.h"],
1749 err = PyRun_SimpleString ("import itertools\n");
1751 return err == 0 ? 0 : 1;]),
1752 [dynamic_list=true], [], [true])
1754 CFLAGS="$old_CFLAGS"
1755 CPPFLAGS="$old_CPPFLAGS"
1757 LDFLAGS="$old_LDFLAGS"
1759 if $dynamic_list; then
1760 found="-Wl,--dynamic-list"
1761 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1764 RDYNAMIC="-rdynamic"
1767 AC_MSG_RESULT($found)
1769 dnl For certain native configurations, we need to check whether thread
1770 dnl support can be built in or not.
1772 dnl Note that we only want this if we are both native (host == target),
1773 dnl and not doing a canadian cross build (build == host).
1775 if test ${build} = ${host} -a ${host} = ${target} ; then
1778 # See if thread_db library is around for Solaris thread debugging.
1779 # Note that we must explicitly test for version 1 of the library
1780 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1782 AC_MSG_CHECKING(for Solaris thread debugging library)
1783 if test -f /usr/lib/libthread_db.so.1 ; then
1785 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1786 [Define if using Solaris thread debugging.])
1787 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1788 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1789 AC_CHECK_LIB(dl, dlopen)
1790 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1791 # Sun randomly tweaked the prototypes in <proc_service.h>
1793 AC_MSG_CHECKING(if <proc_service.h> is old)
1794 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1796 #include <proc_service.h>
1798 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1799 ],, gdb_cv_proc_service_is_old=no,
1800 gdb_cv_proc_service_is_old=yes)
1802 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1803 if test $gdb_cv_proc_service_is_old = yes; then
1804 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1805 [Define if <proc_service.h> on solaris uses int instead of
1806 size_t, and assorted other type changes.])
1813 AC_MSG_CHECKING(for AiX thread debugging library)
1814 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1815 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1816 [#ifndef PTHDB_VERSION_3
1819 gdb_cv_have_aix_thread_debug=yes,
1820 gdb_cv_have_aix_thread_debug=no)])
1821 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1822 if test $gdb_cv_have_aix_thread_debug = yes; then
1823 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1824 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1825 LIBS="$LIBS -lpthdebug"
1827 # Older versions of AIX do not provide the declaration for
1828 # the getthrds function (it appears that it was introduced
1830 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1834 AC_SUBST(CONFIG_LDFLAGS)
1837 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1838 dnl other error codes.
1839 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1840 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1841 gdb_cv_thread_db_h_has_td_notalloc,
1843 [#include <thread_db.h>],
1844 [int i = TD_NOTALLOC;],
1845 gdb_cv_thread_db_h_has_td_notalloc=yes,
1846 gdb_cv_thread_db_h_has_td_notalloc=no
1849 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1850 gdb_cv_thread_db_h_has_td_version,
1852 [#include <thread_db.h>],
1853 [int i = TD_VERSION;],
1854 gdb_cv_thread_db_h_has_td_version=yes,
1855 gdb_cv_thread_db_h_has_td_version=no
1858 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1859 gdb_cv_thread_db_h_has_td_notls,
1861 [#include <thread_db.h>],
1862 [int i = TD_NOTLS;],
1863 gdb_cv_thread_db_h_has_td_notls=yes,
1864 gdb_cv_thread_db_h_has_td_notls=no
1868 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1869 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1870 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1872 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1873 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1874 [Define if <thread_db.h> has the TD_VERSION error code.])
1876 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1877 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1878 [Define if <thread_db.h> has the TD_NOTLS error code.])
1881 dnl Check if we can disable the virtual address space randomization.
1882 dnl The functionality of setarch -R.
1883 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1884 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1885 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1886 # define ADDR_NO_RANDOMIZE 0x0040000
1888 /* Test the flag could be set and stays set. */
1889 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1890 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1892 AC_RUN_IFELSE([PERSONALITY_TEST],
1893 [have_personality=true],
1894 [have_personality=false],
1895 [AC_LINK_IFELSE([PERSONALITY_TEST],
1896 [have_personality=true],
1897 [have_personality=false])])
1898 if $have_personality
1900 AC_DEFINE([HAVE_PERSONALITY], 1,
1901 [Define if you support the personality syscall.])
1904 dnl Set the host's .gdbinit filename.
1913 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1915 dnl Handle optional features that can be enabled.
1917 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1918 # except that the argument to --with-sysroot is optional.
1919 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1920 if test "x$with_sysroot" = xyes; then
1921 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1923 AC_ARG_WITH(sysroot,
1924 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1925 [search for usr/lib et al within DIR]),
1926 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1927 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1928 [search for usr/lib et al within DIR])
1929 AC_SUBST(TARGET_SYSTEM_ROOT)
1930 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1932 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1933 [automatically load a system-wide gdbinit file],
1938 # In the Cygwin environment, we need some additional flags.
1939 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1940 [AC_EGREP_CPP(^lose$, [
1941 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1943 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1946 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1947 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1949 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1950 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1951 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1953 AC_SUBST(SER_HARDWIRE)
1955 # libreadline needs libuser32.a in a cygwin environment
1957 if test x$gdb_cv_os_cygwin = xyes; then
1958 WIN32LIBS="-luser32"
1960 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1965 # The ser-tcp.c module requires sockets.
1968 AC_DEFINE(USE_WIN32API, 1,
1969 [Define if we should use the Windows API, instead of the
1970 POSIX API. On Windows, we use the Windows API when
1971 building for MinGW, but the POSIX API when building
1973 WIN32LIBS="$WIN32LIBS -lws2_32"
1978 # Add ELF support to GDB, but only if BFD includes ELF support.
1979 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1980 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1981 if test $gdb_cv_var_elf = yes; then
1982 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1983 AC_DEFINE(HAVE_ELF, 1,
1984 [Define if ELF support should be included.])
1985 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1986 if test "$plugins" = "yes"; then
1987 AC_SEARCH_LIBS(dlopen, dl)
1991 # Add macho support to GDB, but only if BFD includes it.
1992 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1993 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1994 if test $gdb_cv_var_macho = yes; then
1995 CONFIG_OBS="$CONFIG_OBS machoread.o"
1998 # Add any host-specific objects to GDB.
1999 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
2001 # If building on ELF, look for lzma support for embedded compressed debug info.
2002 if test $gdb_cv_var_elf = yes; then
2004 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
2005 [], [with_lzma=auto])
2006 AC_MSG_CHECKING([whether to use lzma])
2007 AC_MSG_RESULT([$with_lzma])
2009 if test "${with_lzma}" != no; then
2010 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
2011 [lzma_index_iter iter;
2012 lzma_index_iter_init (&iter, 0);
2013 lzma_mf_is_supported (LZMA_MF_HC3);])
2014 if test "$HAVE_LIBLZMA" != yes; then
2015 if test "$with_lzma" = yes; then
2016 AC_MSG_ERROR([missing liblzma for --with-lzma])
2022 LIBGUI="../libgui/src/libgui.a"
2023 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2025 AC_SUBST(GUI_CFLAGS_X)
2029 AC_SUBST(WIN32LDAPP)
2032 *-*-cygwin* | *-*-mingw* )
2041 if test "${enable_gdbtk}" = "yes"; then
2043 # Gdbtk must have an absolute path to srcdir in order to run
2044 # properly when not installed.
2052 # If $no_tk is nonempty, then we can't do Tk, and there is no
2053 # point to doing Tcl.
2056 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2059 # Check for in-tree tcl
2066 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2070 # Find Tcl private headers
2071 if test x"${intree}" = xno; then
2072 CY_AC_TCL_PRIVATE_HEADERS
2073 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2074 TCL_LIBRARY="${TCL_LIB_SPEC}"
2077 # If building tcl in the same src tree, private headers
2078 # are not needed, but we need to be sure to use the right
2080 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2081 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2082 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2084 AC_SUBST(TCL_INCLUDE)
2085 AC_SUBST(TCL_LIBRARY)
2090 # Check for in-tree Tk
2092 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2096 # Find Tk private headers
2097 if test x"${intree}" = xno; then
2098 CY_AC_TK_PRIVATE_HEADERS
2099 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2100 TK_LIBRARY=${TK_LIB_SPEC}
2103 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2104 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2105 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2107 AC_SUBST(TK_INCLUDE)
2108 AC_SUBST(TK_LIBRARY)
2110 AC_SUBST(TK_XINCLUDES)
2112 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2114 # Include some libraries that Tcl and Tk want.
2115 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2116 # Yes, the ordering seems wrong here. But it isn't.
2117 # TK_LIBS is the list of libraries that need to be linked
2118 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2119 # were in LIBS then any link tests after this point would
2120 # try to include things like `$(LIBGUI)', which wouldn't work.
2121 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2123 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2124 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2125 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2126 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2127 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2128 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2129 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2131 if test x$gdb_cv_os_cygwin = xyes; then
2132 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2133 WIN32LDAPP="-Wl,--subsystem,console"
2134 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2137 AC_CONFIG_SUBDIRS(gdbtk)
2145 AC_SUBST(GDBTK_CFLAGS)
2146 AC_SUBST(GDBTK_SRC_DIR)
2150 # Unlike the sim directory, whether a simulator is linked is controlled by
2151 # presence of a gdb_sim definition in the target configure.tgt entry.
2152 # This code just checks for a few cases where we'd like to ignore those
2153 # definitions, even when they're present in the '.mt' file. These cases
2154 # are when --disable-sim is specified, or if the simulator directory is
2155 # not part of the source tree.
2158 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2159 [echo "enable_sim = $enable_sim";
2160 echo "enableval = ${enableval}";
2161 case "${enableval}" in
2162 yes) ignore_sim=false ;;
2163 no) ignore_sim=true ;;
2164 *) ignore_sim=false ;;
2168 if test ! -d "${srcdir}/../sim"; then
2174 if test "${ignore_sim}" = "false"; then
2175 if test x"${gdb_sim}" != x ; then
2177 SIM_OBS="remote-sim.o"
2178 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2180 # Some tdep code should only be compiled in when the ppc sim is
2181 # built. PR sim/13418.
2184 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2192 AC_SUBST(ENABLE_CFLAGS)
2193 AC_SUBST(PROFILE_CFLAGS)
2195 AC_SUBST(CONFIG_OBS)
2196 AC_SUBST(CONFIG_DEPS)
2197 AC_SUBST(CONFIG_SRCS)
2198 AC_SUBST(CONFIG_ALL)
2199 AC_SUBST(CONFIG_CLEAN)
2200 AC_SUBST(CONFIG_INSTALL)
2201 AC_SUBST(CONFIG_UNINSTALL)
2203 # List of host floatformats.
2204 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2205 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2206 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2208 # target_subdir is used by the testsuite to find the target libraries.
2210 if test "${host}" != "${target}"; then
2211 target_subdir="${target_alias}/"
2213 AC_SUBST(target_subdir)
2216 if test "${gdb_native}" = "yes"; then
2217 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2218 if test ! -f ${host_makefile_frag}; then
2219 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2221 frags="$frags $host_makefile_frag"
2223 host_makefile_frag=/dev/null
2226 AC_SUBST_FILE(host_makefile_frag)
2230 if test "${gdb_native}" = "yes"; then
2231 # We pick this up from the host configuration file (.mh) because we
2232 # do not have a native configuration Makefile fragment.
2233 nativefile=`sed -n '
2234 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2235 ' ${host_makefile_frag}`
2239 if test x"${gdb_osabi}" != x ; then
2240 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2241 [Define to the default OS ABI for this configuration.])
2244 # Enable multi-ice-gdb-server.
2245 AC_ARG_ENABLE(multi-ice,
2246 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2250 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2252 if test "x$enable_multi_ice" = xyes; then
2253 AC_CONFIG_SUBDIRS(multi-ice)
2256 AC_ARG_ENABLE(gdbserver,
2257 AS_HELP_STRING([--enable-gdbserver],
2258 [automatically build gdbserver (yes/no/auto, default is auto)]),
2259 [case "${enableval}" in
2261 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2262 esac],[enable_gdbserver=auto])
2264 # We only build gdbserver automatically in a native configuration, and
2265 # only if the user did not explicitly disable its build.
2266 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2267 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2268 if test "x$build_gdbserver" = xyes; then
2270 AC_CONFIG_SUBDIRS(gdbserver)
2271 gdbserver_build_enabled=yes
2277 # If the user explicitly request the gdbserver to be built, verify that
2278 # we were in fact able to enable it.
2279 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2280 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2283 # Check for babeltrace and babeltrace-ctf
2284 AC_ARG_WITH(babeltrace,
2285 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2286 [], [with_babeltrace=auto])
2287 AC_MSG_CHECKING([whether to use babeltrace])
2288 AC_MSG_RESULT([$with_babeltrace])
2290 if test "x$with_babeltrace" = "xno"; then
2291 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2293 # Append -Werror to CFLAGS so that configure can catch the warning
2294 # "assignment from incompatible pointer type", which is related to
2295 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2296 # in GDB, while babeltrace 1.0.3 is broken.
2297 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2298 # safe to save and restore CFLAGS here.
2299 saved_CFLAGS=$CFLAGS
2300 CFLAGS="$CFLAGS -Werror"
2301 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2302 [#include <babeltrace/babeltrace.h>
2303 #include <babeltrace/ctf/events.h>
2304 #include <babeltrace/ctf/iterator.h>],
2305 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2306 struct bt_ctf_event *event = NULL;
2307 const struct bt_definition *scope;
2309 pos->type = BT_SEEK_BEGIN;
2310 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2311 scope = bt_ctf_get_top_level_scope (event,
2312 BT_STREAM_EVENT_HEADER);
2313 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2315 CFLAGS=$saved_CFLAGS
2317 if test "$HAVE_LIBBABELTRACE" != yes; then
2318 if test "$with_babeltrace" = yes; then
2319 AC_MSG_ERROR([babeltrace is missing or unusable])
2321 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2326 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2327 # to an empty version.
2333 if test "${nativefile}" != ""; then
2334 case "${nativefile}" in
2335 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2336 * ) GDB_NM_FILE="${nativefile}"
2338 files="${files} ${GDB_NM_FILE}"
2339 links="${links} nm.h"
2340 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2342 AC_SUBST(GDB_NM_FILE)
2344 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2345 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2346 if test "x$USE_MAINTAINER_MODE" = xyes; then
2347 if test "${XSLTPROC}" = missing; then
2348 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2353 AC_LINK_FILES($files, $links)
2355 dnl Check for exe extension set on certain hosts (e.g. Win32)
2358 dnl Detect the character set used by this host.
2359 dnl At the moment, we just assume it's UTF-8.
2360 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2361 [Define to be a string naming the default host character set.])
2363 if $development; then
2364 AC_DEFINE(GDB_SELF_TEST, 1,
2365 [Define if self-testing features should be enabled])
2368 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2369 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2370 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2371 AC_CONFIG_FILES([Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile],
2373 case x$CONFIG_HEADERS in
2374 xconfig.h:config.in)