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 . $srcdir/../bfd/development.sh
32 AC_USE_SYSTEM_EXTENSIONS
41 # See if we are building with C++, and substitute COMPILER.
44 # Dependency checking.
46 ZW_PROG_COMPILER_DEPENDENCIES([CC])
48 # Check for the 'make' the user wants to use.
49 AC_CHECK_PROGS(MAKE, make)
51 case "`$MAKE --version 2>&1 | sed 1q`" in
56 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
59 gnulib_extra_configure_args=
60 # If large-file support is disabled, make sure gnulib does the same.
61 if test "$enable_largefile" = no; then
62 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
65 # Configure gnulib. We need to build gnulib under some other
66 # directory not "gnulib", to avoid the problem of both GDB and
67 # GDBserver wanting to build it in the same directory, when building
69 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
70 ["$gnulib_extra_configure_args"])
72 dnl List of object files and targets accumulated by configure.
84 dnl Set up for gettext.
85 ZW_GNU_GETTEXT_SISTER_DIR
87 localedir='${datadir}/locale'
90 if test x"$USE_NLS" = xyes; then
91 CONFIG_ALL="$CONFIG_ALL all-po"
92 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
93 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
94 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
97 GNULIB=build-gnulib/import
99 # For Makefile dependencies.
101 if test x"$STDINT_H" != x; then
102 GNULIB_STDINT_H=$GNULIB/$STDINT_H
104 AC_SUBST(GNULIB_STDINT_H)
107 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
110 # We never need to detect it in this sub-configure.
111 # But preserve it for config.status --recheck.
113 [Parent configure detects if it is of sufficient version.])
114 AC_ARG_VAR(MAKEINFOFLAGS,
115 [Parameters for MAKEINFO.])
117 MAKEINFO_EXTRA_FLAGS=""
118 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
119 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
120 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
121 gdb_cv_have_makeinfo_click=yes
123 gdb_cv_have_makeinfo_click=no
125 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
126 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
128 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
130 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
131 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
134 # We can't pass paths as command line arguments.
135 # Mingw32 tries to be clever and will convert the paths for us.
136 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
137 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
138 # This breaks GDB's relocatable path conversions since paths passed in
139 # config.h would not get so translated, the path prefixes no longer match.
140 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
142 # GDB's datadir relocation
144 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
145 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
148 AC_ARG_WITH(relocated-sources,
149 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
150 [reloc_srcdir="${withval}"
151 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
152 [Relocated directory for source files. ])
155 AC_MSG_CHECKING([for default auto-load directory])
156 AC_ARG_WITH(auto-load-dir,
157 AS_HELP_STRING([--with-auto-load-dir=PATH],
158 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
159 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
160 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
161 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
162 [Directories from which to load auto-loaded scripts.])
163 AC_MSG_RESULT([$with_auto_load_dir])
165 AC_MSG_CHECKING([for default auto-load safe-path])
166 AC_ARG_WITH(auto-load-safe-path,
167 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
168 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
169 AS_HELP_STRING([--without-auto-load-safe-path],
170 [do not restrict auto-loaded files locations]),
171 [if test "$with_auto_load_safe_path" = "no"; then
172 with_auto_load_safe_path="/"
174 [with_auto_load_safe_path="$with_auto_load_dir"])
175 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
176 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
177 [Directories safe to hold auto-loaded files.])
178 AC_MSG_RESULT([$with_auto_load_safe_path])
180 AC_CONFIG_SUBDIRS(testsuite)
182 # Check whether to support alternative target configurations
183 AC_ARG_ENABLE(targets,
184 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
185 [case "${enableval}" in
186 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
188 no) enable_targets= ;;
189 *) enable_targets=$enableval ;;
192 # Check whether to enable 64-bit support on 32-bit hosts
193 AC_ARG_ENABLE(64-bit-bfd,
194 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
195 [case "${enableval}" in
198 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
199 esac],[want64=false])dnl
201 # Provide defaults for some variables set by the per-host and per-target
203 gdb_host_obs=posix-hdep.o
205 if test "${target}" = "${host}"; then
211 . $srcdir/configure.host
213 # Add in the common host objects.
214 . $srcdir/common/common.host
215 gdb_host_obs="$gdb_host_obs $common_host_obs"
217 # Accumulate some settings from configure.tgt over all enabled targets
221 HAVE_NATIVE_GCORE_TARGET=
223 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
225 if test "$targ_alias" = "all"; then
228 # Canonicalize the secondary target names.
229 result=`$ac_config_sub $targ_alias 2>/dev/null`
230 if test -n "$result"; then
236 . ${srcdir}/configure.tgt
238 AS_IF([test -z "${gdb_target_obs}"],
239 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
241 # Target-specific object files
242 for i in ${gdb_target_obs}; do
243 case " $TARGET_OBS " in
246 TARGET_OBS="$TARGET_OBS ${i}"
251 # Check whether this target needs 64-bit CORE_ADDR
252 if test x${want64} = xfalse; then
253 . ${srcdir}/../bfd/config.bfd
256 # Check whether this target is native and supports gcore.
257 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
258 && $gdb_have_gcore; then
259 HAVE_NATIVE_GCORE_TARGET=1
264 if test x${all_targets} = xtrue; then
266 # We want all 64-bit targets if we either:
267 # - run on a 64-bit host or
268 # - already require 64-bit support for some other target or
269 # - the --enable-64-bit-bfd option was supplied
270 # Otherwise we only support all 32-bit targets.
272 # NOTE: This test must be in sync with the corresponding
275 if test x${want64} = xfalse; then
276 AC_CHECK_SIZEOF(long)
277 if test "x${ac_cv_sizeof_long}" = "x8"; then
281 if test x${want64} = xtrue; then
282 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
284 TARGET_OBS='$(ALL_TARGET_OBS)'
289 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
291 # For other settings, only the main target counts.
295 targ=$target; . ${srcdir}/configure.tgt
297 # Fetch the default architecture and default target vector from BFD.
298 targ=$target; . $srcdir/../bfd/config.bfd
300 # We only want the first architecture, so strip off the others if
301 # there is more than one.
302 targ_archs=`echo $targ_archs | sed 's/ .*//'`
304 if test "x$targ_archs" != x; then
305 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
306 [Define to BFD's default architecture. ])
308 if test "x$targ_defvec" != x; then
309 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
310 [Define to BFD's default target vector. ])
313 # The CLI cannot be disabled yet, but may be in the future.
316 AC_ARG_ENABLE(gdbcli,
317 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
322 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
324 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
327 if test x"$enable_gdbcli" = xyes; then
328 if test -d $srcdir/cli; then
329 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
330 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
331 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
332 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
338 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
343 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
346 if test x"$enable_gdbmi" = xyes; then
347 if test -d $srcdir/mi; then
348 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
349 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
350 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
351 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
357 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
362 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
363 esac],enable_tui=auto)
367 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
372 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
374 [if test -d $srcdir/gdbtk; then
379 # We unconditionally disable gdbtk tests on selected platforms.
382 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
386 # Libunwind support for ia64.
388 AC_ARG_WITH(libunwind-ia64,
389 AS_HELP_STRING([--with-libunwind-ia64],
390 [use libunwind frame unwinding for ia64 targets]),,
391 [with_libunwind_ia64=auto])
393 # Backward compatibility option.
394 if test "${with_libunwind+set}" = set; then
395 if test x"$with_libunwind_ia64" != xauto; then
397 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
399 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
400 with_libunwind_ia64="$with_libunwind"
403 case "$with_libunwind_ia64" in
407 AC_CHECK_HEADERS(libunwind-ia64.h)
408 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
412 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
416 if test x"$with_libunwind_ia64" = xyes; then
417 AC_CHECK_HEADERS(libunwind-ia64.h)
418 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
419 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
421 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
422 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
423 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
427 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
430 if test "$opt_curses" = "yes"; then
435 AC_ARG_ENABLE(profiling,
436 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
441 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
443 [enable_profiling=no])
445 AC_CHECK_FUNCS(monstartup _mcleanup)
446 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
451 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
452 if test $ac_cv_var__etext = yes; then
453 AC_DEFINE(HAVE__ETEXT, 1,
454 [Define to 1 if your system has the _etext variable. ])
456 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
461 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
462 if test $ac_cv_var_etext = yes; then
463 AC_DEFINE(HAVE_ETEXT, 1,
464 [Define to 1 if your system has the etext variable. ])
466 if test "$enable_profiling" = yes ; then
467 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
468 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
472 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
474 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
475 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
476 ac_cv_cc_supports_pg=no)])
478 if test $ac_cv_cc_supports_pg = no; then
479 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
485 ACX_PKGVERSION([GDB])
486 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
487 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
488 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
490 # --------------------- #
491 # Checks for programs. #
492 # --------------------- #
500 AC_CHECK_TOOL(AR, ar)
501 AC_CHECK_TOOL(DLLTOOL, dlltool)
502 AC_CHECK_TOOL(WINDRES, windres)
506 # Needed for GNU Hurd hosts.
507 AC_CHECK_TOOL(MIG, mig)
508 if test x"$MIG" = x; then
509 AC_MSG_ERROR([MIG not found but required for $host hosts])
514 # ---------------------- #
515 # Checks for libraries. #
516 # ---------------------- #
518 # We might need to link with -lm; most simulators need it.
519 AC_CHECK_LIB(m, main)
521 # We need to link with -lw to get `wctype' on Solaris before Solaris
522 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
523 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
524 # is known to have this problem). Therefore we avoid libw if we can.
525 AC_CHECK_FUNC(wctype, [],
526 [AC_CHECK_LIB(w, wctype)])
528 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
529 AC_SEARCH_LIBS(gethostbyname, nsl)
531 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
532 AC_SEARCH_LIBS(socketpair, socket)
534 # Link in zlib if we can. This allows us to read compressed debug sections.
537 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
538 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
539 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
540 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
541 [Define to 1 if your system has the kinfo_getvmmap function. ])])
545 # GDB may fork/exec the iconv program to get the list of supported character
546 # sets. Allow the user to specify where to find it.
547 # There are several factors affecting the choice of option name:
548 # - There is already --with-libiconv-prefix but we can't use it, it specifies
549 # the build-time location of libiconv files.
550 # - The program we need to find is iconv, which comes with glibc. The user
551 # doesn't necessarily have libiconv installed. Therefore naming this
552 # --with-libiconv-foo feels wrong.
553 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
554 # defined to work on directories not files (though it really doesn't know
556 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
557 # with --with-libiconv-prefix.
558 # Putting these together is why the option name is --with-iconv-bin.
560 AC_ARG_WITH(iconv-bin,
561 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
562 [iconv_bin="${withval}"
563 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
564 [Path of directory of iconv program.])
565 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
568 # For the TUI, we need enhanced curses functionality.
569 if test x"$enable_tui" != xno; then
574 if test x"$prefer_curses" = xyes; then
575 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
576 # curses library because the latter might not provide all the
577 # functionality we need. However, this leads to problems on systems
578 # where the linker searches /usr/local/lib, but the compiler doesn't
579 # search /usr/local/include, if ncurses is installed in /usr/local. A
580 # default installation of ncurses on alpha*-dec-osf* will lead to such
582 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
584 if test "$ac_cv_search_waddstr" != no; then
589 # Check whether we should enable the TUI, but only do so if we really
591 if test x"$enable_tui" != xno; then
592 if test -d $srcdir/tui; then
593 if test "$curses_found" != no; then
594 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
595 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
596 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
597 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
599 if test x"$enable_tui" = xyes; then
600 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
602 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
608 # Since GDB uses Readline, we need termcap functionality. In many
609 # cases this will be provided by the curses library, but some systems
610 # have a seperate termcap library, or no curses library at all.
614 if test -d $srcdir/libtermcap; then
615 LIBS="../libtermcap/libtermcap.a $LIBS"
616 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
619 ac_cv_search_tgetent="none required"
623 # These are the libraries checked by Readline.
624 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
626 if test "$ac_cv_search_tgetent" = no; then
627 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
630 AC_ARG_WITH([system-readline],
631 [AS_HELP_STRING([--with-system-readline],
632 [use installed readline library])])
634 if test "$with_system_readline" = yes; then
638 READLINE_TEXI_INCFLAG=
640 READLINE='$(READLINE_DIR)/libreadline.a'
641 READLINE_DEPS='$(READLINE)'
642 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
643 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
646 AC_SUBST(READLINE_DEPS)
647 AC_SUBST(READLINE_CFLAGS)
648 AC_SUBST(READLINE_TEXI_INCFLAG)
650 # Generate jit-reader.h
652 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
655 AC_CHECK_SIZEOF(unsigned long long)
656 AC_CHECK_SIZEOF(unsigned long)
657 AC_CHECK_SIZEOF(unsigned __int128)
659 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
660 TARGET_PTR="unsigned long"
661 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
662 TARGET_PTR="unsigned long long"
663 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
664 TARGET_PTR="unsigned __int128"
666 TARGET_PTR="unsigned long"
670 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
672 AC_SEARCH_LIBS(dlopen, dl)
674 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
675 [directory to load the JIT readers from],
679 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
680 [], [with_expat=auto])
681 AC_MSG_CHECKING([whether to use expat])
682 AC_MSG_RESULT([$with_expat])
684 if test "${with_expat}" = no; then
685 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
688 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
689 [XML_Parser p = XML_ParserCreate (0);])
690 if test "$HAVE_LIBEXPAT" != yes; then
691 if test "$with_expat" = yes; then
692 AC_MSG_ERROR([expat is missing or unusable])
694 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
698 LIBS="$LIBS $LIBEXPAT"
699 AC_CHECK_FUNCS(XML_StopParser)
704 # --------------------- #
705 # Check for libpython. #
706 # --------------------- #
708 dnl Utility to simplify finding libpython.
710 dnl $2 = the shell variable to assign the result to
711 dnl If libpython is found we store $version here.
712 dnl $3 = additional flags to add to CPPFLAGS
713 dnl $4 = additional flags to add to LIBS
715 AC_DEFUN([AC_TRY_LIBPYTHON],
718 define([have_libpython_var],$2)
721 AC_MSG_CHECKING([for ${version}])
722 save_CPPFLAGS=$CPPFLAGS
724 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
725 LIBS="$LIBS $new_LIBS"
726 found_usable_python=no
727 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
728 [[Py_Initialize ();]]),
729 [have_libpython_var=${version}
730 found_usable_python=yes
731 PYTHON_CPPFLAGS=$new_CPPFLAGS
732 PYTHON_LIBS=$new_LIBS])
733 CPPFLAGS=$save_CPPFLAGS
735 AC_MSG_RESULT([${found_usable_python}])
738 dnl There are several different values for --with-python:
740 dnl no - Don't include python support.
741 dnl yes - Include python support, error if it's missing.
742 dnl If we find python in $PATH, use it to fetch configure options,
743 dnl otherwise assume the compiler can find it with no help from us.
744 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
745 dnl auto - Same as "yes", but if python is missing from the system,
746 dnl fall back to "no".
747 dnl /path/to/python/exec-prefix -
748 dnl Use the python located in this directory.
749 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
750 dnl the compilation parameters. Otherwise use
751 dnl -I/path/to/python/exec-prefix/include,
752 dnl -L/path/to/python/exec-prefix/lib.
753 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
754 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
755 dnl but is deprecated.
756 dnl /path/to/python/executable -
757 dnl Run python-config.py with this version of python to fetch the
758 dnl compilation parameters.
759 dnl NOTE: This needn't be the real python executable.
760 dnl In a cross-compilation scenario (build != host), this could be
761 dnl a shell script that provides what python-config.py provides for
762 dnl --ldflags, --includes, --exec-prefix.
763 dnl python-executable -
764 dnl Find python-executable in $PATH, and then handle the same as
765 dnl /path/to/python/executable.
767 dnl If a python program is specified, it is used to run python-config.py and
768 dnl is passed --ldflags, --includes, --exec-prefix.
771 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
772 [], [with_python=auto])
773 AC_MSG_CHECKING([whether to use python])
774 AC_MSG_RESULT([$with_python])
776 if test "${with_python}" = no; then
777 AC_MSG_WARN([python support disabled; some features may be unavailable.])
780 case "${with_python}" in
781 [[\\/]]* | ?:[[\\/]]*)
782 if test -d ${with_python}; then
783 # Assume the python binary is ${with_python}/bin/python.
784 python_prog="${with_python}/bin/python"
786 # If python does not exit ${with_python}/bin, then try in
787 # ${with_python}. On Windows/MinGW, this is where the Python
789 if test ! -x "${python_prog}"; then
790 python_prog="${with_python}/python"
793 if test ! -x "${python_prog}"; then
794 # Fall back to gdb 7.0/7.1 behaviour.
796 python_prefix=${with_python}
798 elif test -x "${with_python}"; then
799 # While we can't run python compiled for $host (unless host == build),
800 # the user could write a script that provides the needed information,
801 # so we support that.
802 python_prog=${with_python}
805 AC_ERROR(invalid value for --with-python)
809 # Disallow --with-python=foo/bar.
810 AC_ERROR(invalid value for --with-python)
813 # The user has either specified auto, yes, or the name of the python
814 # program assumed to be in $PATH.
816 case "${with_python}" in
818 if test ${build} = ${host}; then
819 AC_PATH_PROG(python_prog_path, python, missing)
820 if test "${python_prog_path}" = missing; then
823 python_prog=${python_prog_path}
826 # Not much we can do except assume the cross-compiler will find the
832 # While we can't run python compiled for $host (unless host == build),
833 # the user could write a script that provides the needed information,
834 # so we support that.
835 python_prog="${with_python}"
836 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
837 if test "${python_prog_path}" = missing; then
838 AC_ERROR(unable to find python program ${python_prog})
844 if test "${python_prog}" != missing; then
845 # We have a python program to use, but it may be too old.
846 # Don't flag an error for --with-python=auto (the default).
847 have_python_config=yes
848 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
849 if test $? != 0; then
850 have_python_config=failed
851 if test "${with_python}" != auto; then
852 AC_ERROR(failure running python-config --includes)
855 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
856 if test $? != 0; then
857 have_python_config=failed
858 if test "${with_python}" != auto; then
859 AC_ERROR(failure running python-config --ldflags)
862 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
863 if test $? != 0; then
864 have_python_config=failed
865 if test "${with_python}" != auto; then
866 AC_ERROR(failure running python-config --exec-prefix)
870 # We do not have a python executable we can use to determine where
871 # to find the Python headers and libs. We cannot guess the include
872 # path from the python_prefix either, because that include path
873 # depends on the Python version. So, there is nothing much we can
874 # do except assume that the compiler will be able to find those files.
877 have_python_config=no
880 # If we have python-config, only try the configuration it provides.
881 # Otherwise fallback on the old way of trying different versions of
885 if test "${have_python_config}" = yes; then
886 # Determine the Python version by extracting "-lpython<version>"
887 # part of the python_libs. <version> is usually X.Y with X and Y
888 # being decimal numbers, but can also be XY (seen on Windows).
890 # The extraction is performed using sed with a regular expression.
891 # Initially, the regexp used was using the '?' quantifier to make
892 # the dot in the version number optional. Unfortunately, this
893 # does not work with non-GNU versions of sed because, because of
894 # what looks like a limitation (the '?' quantifier does not work
895 # with back-references). We work around this limitation by using
896 # the '*' quantifier instead. It means that, in theory, we might
897 # match unexpected version strings such as "-lpython2..7", but
898 # this seems unlikely in practice. And even if that happens,
899 # an error will be triggered later on, when checking that version
901 python_version=`echo " ${python_libs} " \
902 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
903 case "${python_version}" in
905 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
906 ${python_includes}, ${python_libs})
909 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
912 elif test "${have_python_config}" != failed; then
913 if test "${have_libpython}" = no; then
914 AC_TRY_LIBPYTHON(python2.7, have_libpython,
915 ${python_includes}, "${python_libs} -lpython2.7")
917 if test "${have_libpython}" = no; then
918 AC_TRY_LIBPYTHON(python2.6, have_libpython,
919 ${python_includes}, "${python_libs} -lpython2.6")
921 if test ${have_libpython} = no; then
922 AC_TRY_LIBPYTHON(python2.5, have_libpython,
923 ${python_includes}, "${python_libs} -lpython2.5")
925 if test ${have_libpython} = no; then
926 AC_TRY_LIBPYTHON(python2.4, have_libpython,
927 ${python_includes}, "${python_libs} -lpython2.4")
930 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
931 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
932 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
933 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
934 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
935 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
936 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
937 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
940 if test "${have_libpython}" = no; then
941 case "${with_python}" in
943 AC_MSG_ERROR([python is missing or unusable])
946 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
949 AC_MSG_ERROR([no usable python found at ${with_python}])
953 if test -n "${python_prefix}"; then
954 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
955 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
956 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
961 if test "${have_libpython}" != no; then
962 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
963 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
964 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
965 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
966 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
967 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
969 # Flags needed to compile Python code (taken from python-config --cflags).
970 # We cannot call python-config directly because it will output whatever was
971 # used when compiling the Python interpreter itself, including flags which
972 # would make the python-related objects be compiled differently from the
973 # rest of GDB (e.g., -O2 and -fPIC).
974 if test "${GCC}" = yes; then
975 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
978 if test "x${tentative_python_cflags}" != x; then
979 AC_MSG_CHECKING(compiler flags for python code)
980 for flag in ${tentative_python_cflags}; do
981 # Check that the compiler accepts it
982 saved_CFLAGS="$CFLAGS"
983 CFLAGS="$CFLAGS $flag"
984 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
985 CFLAGS="$saved_CFLAGS"
987 AC_MSG_RESULT(${PYTHON_CFLAGS})
990 # On x64 Windows, Python's include headers, and pyconfig.h in
991 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
992 # version of Windows. Unfortunately, MS_WIN64 is only defined if
993 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
994 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
995 # The issue was reported to the Python community, but still isn't
996 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1000 if test "${GCC}" = yes; then
1001 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1006 # Note that "python -m threading" cannot be used to check for
1007 # threading support due to a bug in Python 2.7.3
1008 # (http://bugs.python.org/issue15567).
1009 AC_MSG_CHECKING(whether python supports threads)
1010 saved_CPPFLAGS="${CPPFLAGS}"
1011 CPPFLAGS="${PYTHON_CPPFLAGS}"
1012 # Note that the test is reversed so that python_has_threads=yes on
1013 # unexpected failures.
1014 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1019 ]]), [python_has_threads=no], [python_has_threads=yes])
1020 AC_MSG_RESULT(${python_has_threads})
1021 CPPFLAGS="${saved_CPPFLAGS}"
1023 # Even if Python support is not compiled in, we need to have this file
1024 # included so that the "python" command, et.al., still exists.
1025 CONFIG_OBS="$CONFIG_OBS python.o"
1026 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1029 # Work around Python http://bugs.python.org/issue10112. See also
1030 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1031 # no effect. Note that the only test after this that uses Python is
1032 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1033 # run without -export-dynamic too.
1034 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1036 AC_SUBST(PYTHON_CFLAGS)
1037 AC_SUBST(PYTHON_CPPFLAGS)
1038 AC_SUBST(PYTHON_LIBS)
1039 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1041 # -------------------- #
1042 # Check for libguile. #
1043 # -------------------- #
1045 dnl Utility to simplify finding libguile.
1046 dnl $1 = pkg-config-program
1047 dnl $2 = space-separate list of guile versions to try
1048 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1049 dnl $4 = the shell variable to assign the result to
1050 dnl If libguile is found we store "yes" here.
1052 AC_DEFUN([AC_TRY_LIBGUILE],
1055 guile_version_list=$2
1057 define([have_libguile_var],$4)
1058 found_usable_guile=checking
1059 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1060 for guile_version in ${guile_version_list}; do
1061 ${pkg_config} --exists ${guile_version} 2>/dev/null
1062 if test $? != 0; then
1065 dnl pkg-config says the package exists, so if we get an error now,
1067 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1068 if test $? != 0; then
1069 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1071 new_LIBS=`${pkg_config} --libs ${guile_version}`
1072 if test $? != 0; then
1073 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1075 dnl If we get this far, great.
1076 found_usable_guile=${guile_version}
1079 if test "${found_usable_guile}" = "checking"; then
1080 if test "${flag_errors}" = "yes"; then
1081 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1083 found_usable_guile=no
1086 dnl One final sanity check.
1087 dnl The user could have said --with-guile=python-2.7.
1088 if test "${found_usable_guile}" != no; then
1089 save_CPPFLAGS=$CPPFLAGS
1091 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1092 LIBS="$LIBS $new_LIBS"
1093 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1094 [[scm_init_guile ();]]),
1095 [have_libguile_var=yes
1096 GUILE_CPPFLAGS=$new_CPPFLAGS
1097 GUILE_LIBS=$new_LIBS],
1098 [found_usable_guile=no])
1099 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1100 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1101 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1102 [Define if Guile supports manual finalization.])
1104 CPPFLAGS=$save_CPPFLAGS
1106 if test "${found_usable_guile}" = no; then
1107 if test "${flag_errors}" = yes; then
1108 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1112 AC_MSG_RESULT([${found_usable_guile}])
1115 dnl There are several different values for --with-guile:
1117 dnl no - Don't include guile support.
1118 dnl yes - Include guile support, error if it's missing.
1119 dnl The pkg-config program must be in $PATH.
1120 dnl auto - Same as "yes", but if guile is missing from the system,
1121 dnl fall back to "no".
1122 dnl guile-version [guile-version-choice-2 ...] -
1123 dnl A space-separated list of guile package versions to try.
1124 dnl These are passed to pkg-config as-is.
1125 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1126 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1127 dnl /path/to/pkg-config -
1128 dnl Use this pkg-config program.
1129 dnl NOTE: This needn't be the "real" pkg-config program.
1130 dnl It could be a shell script. It is invoked as:
1131 dnl pkg-config --exists $version
1132 dnl pkg-config --cflags $version
1133 dnl pkg-config --libs $version
1134 dnl pkg-config --variable guild $version
1135 dnl The script will be called with $version having each value in
1136 dnl $try_guile_versions until --exists indicates success.
1139 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1140 [], [with_guile=auto])
1141 AC_MSG_CHECKING([whether to use guile])
1142 AC_MSG_RESULT([$with_guile])
1144 dnl We check guile with pkg-config.
1145 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1147 try_guile_versions="guile-2.2 guile-2.0"
1149 case "${with_guile}" in
1151 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1154 if test "${pkg_config_prog_path}" = "missing"; then
1155 AC_MSG_WARN([pkg-config not found, guile support disabled])
1157 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1161 if test "${pkg_config_prog_path}" = "missing"; then
1162 AC_MSG_ERROR([pkg-config not found])
1164 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1166 [[\\/]]* | ?:[[\\/]]*)
1167 if test -x "${with_guile}"; then
1168 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1170 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1174 # Disallow --with=guile="" and --with-guile=foo/bar.
1175 AC_MSG_ERROR([invalid value for --with-guile])
1178 # A space separate list of guile versions to try, in order.
1179 if test "${pkg_config_prog_path}" = "missing"; then
1180 AC_MSG_ERROR([pkg-config not found])
1182 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1186 if test "${have_libguile}" != no; then
1187 dnl Get the name of the 'guild' program.
1188 case "${with_guile}" in
1189 [[\\/]]* | ?:[[\\/]]*)
1190 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1193 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1197 dnl Make sure guild can handle this host.
1198 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1199 dnl If not, disable guile support.
1200 if test "$ac_cv_guild_ok" = no; then
1202 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1206 if test "${have_libguile}" != no; then
1207 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1208 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1209 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1210 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1211 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1212 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1214 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1216 save_CPPFLAGS="$CPPFLAGS"
1218 CPPFLAGS="$GUILE_CPPFLAGS"
1219 AC_CHECK_FUNCS([scm_new_smob])
1221 CPPFLAGS="$save_CPPFLAGS"
1223 # Even if Guile support is not compiled in, we need to have these files
1225 CONFIG_OBS="$CONFIG_OBS guile.o"
1226 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1228 AC_SUBST(GUILE_CPPFLAGS)
1229 AC_SUBST(GUILE_LIBS)
1230 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1232 # --------------------- #
1233 # Check for libmcheck. #
1234 # --------------------- #
1236 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1237 # but turn it off if Python is enabled with threads, since -lmcheck is
1238 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1240 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1241 && $development; then
1242 libmcheck_default=yes
1244 libmcheck_default=no
1246 GDB_AC_LIBMCHECK(${libmcheck_default})
1248 if test "$ENABLE_LIBMCHECK" = "yes" \
1249 -a "${have_libpython}" != "no" \
1250 -a "${python_has_threads}" = "yes" ; then
1251 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1254 AC_ARG_WITH(intel_pt,
1255 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1256 [], [with_intel_pt=auto])
1257 AC_MSG_CHECKING([whether to use intel pt])
1258 AC_MSG_RESULT([$with_intel_pt])
1260 if test "${with_intel_pt}" = no; then
1261 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1264 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1265 #include <linux/perf_event.h>
1266 #ifndef PERF_ATTR_SIZE_VER5
1269 ]]), [perf_event=yes], [perf_event=no])
1270 if test "$perf_event" != yes; then
1271 if test "$with_intel_pt" = yes; then
1272 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1274 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1278 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1279 if test "$HAVE_LIBIPT" != yes; then
1280 if test "$with_intel_pt" = yes; then
1281 AC_MSG_ERROR([libipt is missing or unusable])
1283 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1288 # ------------------------- #
1289 # Checks for header files. #
1290 # ------------------------- #
1293 # elf_hp.h is for HP/UX 64-bit shared library support.
1294 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1297 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1298 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1299 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1300 termios.h termio.h \
1303 AC_CHECK_HEADERS(sys/proc.h, [], [],
1304 [#if HAVE_SYS_PARAM_H
1305 # include <sys/param.h>
1308 AC_CHECK_HEADERS(sys/user.h, [], [],
1309 [#if HAVE_SYS_PARAM_H
1310 # include <sys/param.h>
1314 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1315 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1316 # think that we don't have <curses.h> if we're using GCC.
1319 if test "$GCC" = yes; then
1320 AC_DEFINE(_MSE_INT_H, 1,
1321 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1322 Solaris 2.[789] when using GCC. ])
1325 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1326 AC_CHECK_HEADERS(term.h, [], [],
1328 # include <curses.h>
1332 # ------------------------- #
1333 # Checks for declarations. #
1334 # ------------------------- #
1338 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1341 # ----------------------- #
1342 # Checks for structures. #
1343 # ----------------------- #
1345 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1347 # ------------------ #
1348 # Checks for types. #
1349 # ------------------ #
1351 AC_CHECK_TYPES(socklen_t, [], [],
1352 [#include <sys/types.h>
1353 #include <sys/socket.h>
1356 # ------------------------------------- #
1357 # Checks for compiler characteristics. #
1358 # ------------------------------------- #
1364 # ------------------------------ #
1365 # Checks for library functions. #
1366 # ------------------------------ #
1370 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1371 pipe poll pread pread64 pwrite resize_term \
1372 sbrk setpgid setpgrp setsid \
1373 sigaction sigprocmask sigsetmask socketpair \
1374 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1375 setrlimit getrlimit posix_madvise waitpid \
1376 ptrace64 sigaltstack mkdtemp setns])
1380 # Check the return and argument types of ptrace.
1383 dnl AC_FUNC_SETPGRP does not work when cross compiling
1384 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1385 if test "$cross_compiling" = no; then
1388 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1392 if (setpgrp(1,1) == -1)
1396 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1397 if test $ac_cv_func_setpgrp_void = yes; then
1398 AC_DEFINE(SETPGRP_VOID, 1)
1402 # Assume we'll default to using the included libiberty regex.
1403 gdb_use_included_regex=yes
1405 # However, if the system regex is GNU regex, then default to *not*
1406 # using the included regex.
1409 [gdb_cv_have_gnu_regex],
1411 [#include <gnu-versions.h>],
1412 [#define REGEX_INTERFACE_VERSION 1
1413 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1414 # error "Version mismatch"
1416 gdb_cv_have_gnu_regex=yes,
1417 gdb_cv_have_gnu_regex=no)])
1418 if test $gdb_cv_have_gnu_regex = yes; then
1419 gdb_use_included_regex=no
1422 AC_ARG_WITH(included-regex,
1423 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1424 gdb_with_regex=$withval,
1425 gdb_with_regex=$gdb_use_included_regex)
1426 if test "$gdb_with_regex" = yes; then
1427 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1428 [Define to 1 if the regex included in libiberty should be used.])
1431 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1432 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1433 [#include <sys/param.h>
1434 #include <sys/proc.h>
1437 # See if <sys/lwp.h> defines `struct lwp`.
1438 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1439 [AC_TRY_COMPILE([#include <sys/param.h>
1440 #include <sys/lwp.h>], [struct lwp l;],
1441 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1442 if test $gdb_cv_struct_lwp = yes; then
1443 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1444 [Define to 1 if your system has struct lwp.])
1447 # See if <machine/reg.h> degines `struct reg'.
1448 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1449 [AC_TRY_COMPILE([#include <sys/types.h>
1450 #include <machine/reg.h>], [struct reg r;],
1451 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1452 if test $gdb_cv_struct_reg = yes; then
1453 AC_DEFINE(HAVE_STRUCT_REG, 1,
1454 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1457 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1458 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1459 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1460 [#include <sys/types.h>
1461 #include <machine/reg.h>])
1463 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1464 # Older amd64 Linux's don't have the fs_base and gs_base members of
1465 # `struct user_regs_struct'.
1466 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1467 [], [], [#include <sys/user.h>])
1469 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1470 AC_MSG_CHECKING(for PTRACE_GETREGS)
1471 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1472 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1474 [gdb_cv_have_ptrace_getregs=yes],
1475 [gdb_cv_have_ptrace_getregs=no])])
1476 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1477 if test $gdb_cv_have_ptrace_getregs = yes; then
1478 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1479 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1482 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1483 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1484 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1485 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1486 [PTRACE_GETFPXREGS;],
1487 [gdb_cv_have_ptrace_getfpxregs=yes],
1488 [gdb_cv_have_ptrace_getfpxregs=no])])
1489 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1490 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1491 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1492 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1495 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1496 AC_MSG_CHECKING(for PT_GETDBREGS)
1497 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1498 [AC_TRY_COMPILE([#include <sys/types.h>
1499 #include <sys/ptrace.h>],
1501 [gdb_cv_have_pt_getdbregs=yes],
1502 [gdb_cv_have_pt_getdbregs=no])])
1503 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1504 if test $gdb_cv_have_pt_getdbregs = yes; then
1505 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1506 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1509 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1510 AC_MSG_CHECKING(for PT_GETXMMREGS)
1511 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1512 [AC_TRY_COMPILE([#include <sys/types.h>
1513 #include <sys/ptrace.h>],
1515 [gdb_cv_have_pt_getxmmregs=yes],
1516 [gdb_cv_have_pt_getxmmregs=no])])
1517 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1518 if test $gdb_cv_have_pt_getxmmregs = yes; then
1519 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1520 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1523 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1524 # Older FreeBSD versions don't have the pl_tdname member of
1525 # `struct ptrace_lwpinfo'.
1526 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1527 [#include <sys/ptrace.h>])
1529 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1530 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1532 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1533 [#include <sys/ptrace.h>])
1535 # Detect which type of /proc is in use, such as for Solaris.
1537 if test "${target}" = "${host}"; then
1539 *-*-sysv4.2* | *-*-sysv5* )
1540 AC_DEFINE(NEW_PROC_API, 1,
1541 [Define if you want to use new multi-fd /proc interface.])
1543 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1544 AC_DEFINE(NEW_PROC_API, 1,
1545 [Define if you want to use new multi-fd /proc interface.])
1548 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1549 AC_DEFINE([_KMEMUSER], 1,
1550 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1551 around a <sys/proc.h> problem on IRIX 5.])
1556 if test "$ac_cv_header_sys_procfs_h" = yes; then
1557 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1558 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1559 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1560 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1561 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1562 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1563 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1564 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1565 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1566 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1567 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1570 dnl Check for broken prfpregset_t type
1572 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1573 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1574 dnl instead of the struct itself). We detect this here, and work
1575 dnl around it in gdb_proc_service.h.
1577 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1578 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1579 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1580 [AC_TRY_RUN([#include <sys/procfs.h>
1583 if (sizeof (prfpregset_t) == sizeof (void *))
1587 gdb_cv_prfpregset_t_broken=no,
1588 gdb_cv_prfpregset_t_broken=yes,
1589 gdb_cv_prfpregset_t_broken=yes)])
1590 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1591 if test $gdb_cv_prfpregset_t_broken = yes; then
1592 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1593 [Define if the prfpregset_t type is broken.])
1598 # Check if the compiler supports the `long long' type.
1600 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1601 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1602 [[extern long long foo;]],
1603 [[switch (foo & 2) { case 0: return 1; }]])],
1604 gdb_cv_c_long_long=yes,
1605 gdb_cv_c_long_long=no)])
1606 if test $gdb_cv_c_long_long != yes; then
1607 # libdecnumber requires long long.
1608 AC_MSG_ERROR([Compiler must support long long for GDB.])
1611 # Check if the compiler and runtime support printing long longs.
1613 AC_CACHE_CHECK([for long long support in printf],
1614 gdb_cv_printf_has_long_long,
1615 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1618 l = (l << 16) + 0x0123;
1619 l = (l << 16) + 0x4567;
1620 l = (l << 16) + 0x89ab;
1621 l = (l << 16) + 0xcdef;
1622 sprintf (buf, "0x%016llx", l);
1623 return (strcmp ("0x0123456789abcdef", buf));]])],
1624 gdb_cv_printf_has_long_long=yes,
1625 gdb_cv_printf_has_long_long=no,
1626 gdb_cv_printf_has_long_long=no)])
1627 if test $gdb_cv_printf_has_long_long = yes; then
1628 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1629 [Define to 1 if the "%ll" format works to print long longs.])
1632 # Check if the compiler and runtime support printing decfloats.
1634 AC_CACHE_CHECK([for decfloat support in printf],
1635 gdb_cv_printf_has_decfloat,
1636 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1638 _Decimal32 d32 = 1.2345df;
1639 _Decimal64 d64 = 1.2345dd;
1640 _Decimal128 d128 = 1.2345dl;
1641 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1642 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1643 gdb_cv_printf_has_decfloat=yes,
1644 gdb_cv_printf_has_decfloat=no,
1645 gdb_cv_printf_has_decfloat=no)])
1646 if test $gdb_cv_printf_has_decfloat = yes; then
1647 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1648 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1651 # Check if the compiler supports the `long double' type. We can't use
1652 # AC_C_LONG_DOUBLE because that one does additional checks on the
1653 # constants defined in <float.h> that fail on some systems,
1654 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1656 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1657 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1658 gdb_cv_c_long_double=yes,
1659 gdb_cv_c_long_double=no)])
1660 if test $gdb_cv_c_long_double = yes; then
1661 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1662 [Define to 1 if the compiler supports long double.])
1665 # Check if the compiler and runtime support printing long doubles.
1667 AC_CACHE_CHECK([for long double support in printf],
1668 gdb_cv_printf_has_long_double,
1669 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1671 long double f = 3.141592653;
1672 sprintf (buf, "%Lg", f);
1673 return (strncmp ("3.14159", buf, 7));]])],
1674 gdb_cv_printf_has_long_double=yes,
1675 gdb_cv_printf_has_long_double=no,
1676 gdb_cv_printf_has_long_double=no)])
1677 if test $gdb_cv_printf_has_long_double = yes; then
1678 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1679 [Define to 1 if the "%Lg" format works to print long doubles.])
1682 # Check if the compiler and runtime support scanning long doubles.
1684 AC_CACHE_CHECK([for long double support in scanf],
1685 gdb_cv_scanf_has_long_double,
1686 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1687 [[#include <stdio.h>]],
1688 [[char *buf = "3.141592653";
1690 sscanf (buf, "%Lg", &f);
1691 return !(f > 3.14159 && f < 3.14160);]])],
1692 gdb_cv_scanf_has_long_double=yes,
1693 gdb_cv_scanf_has_long_double=no,
1694 gdb_cv_scanf_has_long_double=no)])
1695 if test $gdb_cv_scanf_has_long_double = yes; then
1696 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1697 [Define to 1 if the "%Lg" format works to scan long doubles.])
1702 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1703 SAVE_LDFLAGS=$LDFLAGS
1706 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1707 *) gdb_cv_bigtoc=-bbigtoc ;;
1710 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1711 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1712 LDFLAGS="${SAVE_LDFLAGS}"
1714 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1718 AC_MSG_CHECKING(for the dynamic export flag)
1720 if test "${gdb_native}" = yes; then
1721 # The dynamically loaded libthread_db needs access to symbols in the gdb
1722 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1723 # may not be supported there.
1724 old_LDFLAGS="$LDFLAGS"
1725 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1726 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1727 LDFLAGS="$LDFLAGS $RDYNAMIC"
1728 if test "${have_libpython}" = no; then
1729 AC_TRY_LINK([], [], [dynamic_list=true])
1731 # Workaround http://bugs.python.org/issue4434 where static
1732 # libpythonX.Y.a would get its symbols required for
1733 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1734 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1736 # Note the workaround for Python
1737 # http://bugs.python.org/issue10112 earlier has removed
1738 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1739 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1741 old_CFLAGS="$CFLAGS"
1742 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1744 LIBS="$LIBS $PYTHON_LIBS"
1745 old_CPPFLAGS="$CPPFLAGS"
1746 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1749 [#include "Python.h"],
1752 err = PyRun_SimpleString ("import itertools\n");
1754 return err == 0 ? 0 : 1;]),
1755 [dynamic_list=true], [], [true])
1757 CFLAGS="$old_CFLAGS"
1758 CPPFLAGS="$old_CPPFLAGS"
1760 LDFLAGS="$old_LDFLAGS"
1762 if $dynamic_list; then
1763 found="-Wl,--dynamic-list"
1764 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1767 RDYNAMIC="-rdynamic"
1770 AC_MSG_RESULT($found)
1772 dnl For certain native configurations, we need to check whether thread
1773 dnl support can be built in or not.
1775 dnl Note that we only want this if we are both native (host == target),
1776 dnl and not doing a canadian cross build (build == host).
1778 if test ${build} = ${host} -a ${host} = ${target} ; then
1781 # See if thread_db library is around for Solaris thread debugging.
1782 # Note that we must explicitly test for version 1 of the library
1783 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1785 AC_MSG_CHECKING(for Solaris thread debugging library)
1786 if test -f /usr/lib/libthread_db.so.1 ; then
1788 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1789 [Define if using Solaris thread debugging.])
1790 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1791 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1792 AC_CHECK_LIB(dl, dlopen)
1793 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1794 # Sun randomly tweaked the prototypes in <proc_service.h>
1796 AC_MSG_CHECKING(if <proc_service.h> is old)
1797 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1799 #include <proc_service.h>
1801 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1802 ],, gdb_cv_proc_service_is_old=no,
1803 gdb_cv_proc_service_is_old=yes)
1805 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1806 if test $gdb_cv_proc_service_is_old = yes; then
1807 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1808 [Define if <proc_service.h> on solaris uses int instead of
1809 size_t, and assorted other type changes.])
1816 AC_MSG_CHECKING(for AiX thread debugging library)
1817 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1818 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1819 [#ifndef PTHDB_VERSION_3
1822 gdb_cv_have_aix_thread_debug=yes,
1823 gdb_cv_have_aix_thread_debug=no)])
1824 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1825 if test $gdb_cv_have_aix_thread_debug = yes; then
1826 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1827 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1828 LIBS="$LIBS -lpthdebug"
1830 # Older versions of AIX do not provide the declaration for
1831 # the getthrds function (it appears that it was introduced
1833 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1837 AC_SUBST(CONFIG_LDFLAGS)
1840 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1841 dnl other error codes.
1842 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1843 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1844 gdb_cv_thread_db_h_has_td_notalloc,
1846 [#include <thread_db.h>],
1847 [int i = TD_NOTALLOC;],
1848 gdb_cv_thread_db_h_has_td_notalloc=yes,
1849 gdb_cv_thread_db_h_has_td_notalloc=no
1852 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1853 gdb_cv_thread_db_h_has_td_version,
1855 [#include <thread_db.h>],
1856 [int i = TD_VERSION;],
1857 gdb_cv_thread_db_h_has_td_version=yes,
1858 gdb_cv_thread_db_h_has_td_version=no
1861 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1862 gdb_cv_thread_db_h_has_td_notls,
1864 [#include <thread_db.h>],
1865 [int i = TD_NOTLS;],
1866 gdb_cv_thread_db_h_has_td_notls=yes,
1867 gdb_cv_thread_db_h_has_td_notls=no
1871 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1872 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1873 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1875 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1876 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1877 [Define if <thread_db.h> has the TD_VERSION error code.])
1879 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1880 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1881 [Define if <thread_db.h> has the TD_NOTLS error code.])
1884 dnl Check if we can disable the virtual address space randomization.
1885 dnl The functionality of setarch -R.
1886 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1887 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1888 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1889 # define ADDR_NO_RANDOMIZE 0x0040000
1891 /* Test the flag could be set and stays set. */
1892 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1893 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1895 AC_RUN_IFELSE([PERSONALITY_TEST],
1896 [have_personality=true],
1897 [have_personality=false],
1898 [AC_LINK_IFELSE([PERSONALITY_TEST],
1899 [have_personality=true],
1900 [have_personality=false])])
1901 if $have_personality
1903 AC_DEFINE([HAVE_PERSONALITY], 1,
1904 [Define if you support the personality syscall.])
1907 dnl Set the host's .gdbinit filename.
1916 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1918 dnl Handle optional features that can be enabled.
1920 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1921 # except that the argument to --with-sysroot is optional.
1922 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1923 if test "x$with_sysroot" = xyes; then
1924 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1926 AC_ARG_WITH(sysroot,
1927 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1928 [search for usr/lib et al within DIR]),
1929 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1930 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1931 [search for usr/lib et al within DIR])
1932 AC_SUBST(TARGET_SYSTEM_ROOT)
1933 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1935 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1936 [automatically load a system-wide gdbinit file],
1941 # In the Cygwin environment, we need some additional flags.
1942 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1943 [AC_EGREP_CPP(^lose$, [
1944 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1946 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1949 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1950 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1952 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1953 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1954 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1956 AC_SUBST(SER_HARDWIRE)
1958 # libreadline needs libuser32.a in a cygwin environment
1960 if test x$gdb_cv_os_cygwin = xyes; then
1961 WIN32LIBS="-luser32"
1963 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1968 # The ser-tcp.c module requires sockets.
1971 AC_DEFINE(USE_WIN32API, 1,
1972 [Define if we should use the Windows API, instead of the
1973 POSIX API. On Windows, we use the Windows API when
1974 building for MinGW, but the POSIX API when building
1976 WIN32LIBS="$WIN32LIBS -lws2_32"
1981 # Add ELF support to GDB, but only if BFD includes ELF support.
1982 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1983 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1984 if test $gdb_cv_var_elf = yes; then
1985 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1986 AC_DEFINE(HAVE_ELF, 1,
1987 [Define if ELF support should be included.])
1988 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1989 if test "$plugins" = "yes"; then
1990 AC_SEARCH_LIBS(dlopen, dl)
1994 # Add macho support to GDB, but only if BFD includes it.
1995 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1996 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1997 if test $gdb_cv_var_macho = yes; then
1998 CONFIG_OBS="$CONFIG_OBS machoread.o"
2001 # Add any host-specific objects to GDB.
2002 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
2004 # If building on ELF, look for lzma support for embedded compressed debug info.
2005 if test $gdb_cv_var_elf = yes; then
2007 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
2008 [], [with_lzma=auto])
2009 AC_MSG_CHECKING([whether to use lzma])
2010 AC_MSG_RESULT([$with_lzma])
2012 if test "${with_lzma}" != no; then
2013 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
2014 [lzma_index_iter iter;
2015 lzma_index_iter_init (&iter, 0);
2016 lzma_mf_is_supported (LZMA_MF_HC3);])
2017 if test "$HAVE_LIBLZMA" != yes; then
2018 if test "$with_lzma" = yes; then
2019 AC_MSG_ERROR([missing liblzma for --with-lzma])
2025 LIBGUI="../libgui/src/libgui.a"
2026 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2028 AC_SUBST(GUI_CFLAGS_X)
2032 AC_SUBST(WIN32LDAPP)
2035 *-*-cygwin* | *-*-mingw* )
2044 if test "${enable_gdbtk}" = "yes"; then
2046 # Gdbtk must have an absolute path to srcdir in order to run
2047 # properly when not installed.
2055 # If $no_tk is nonempty, then we can't do Tk, and there is no
2056 # point to doing Tcl.
2059 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2062 # Check for in-tree tcl
2069 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2073 # Find Tcl private headers
2074 if test x"${intree}" = xno; then
2075 CY_AC_TCL_PRIVATE_HEADERS
2076 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2077 TCL_LIBRARY="${TCL_LIB_SPEC}"
2080 # If building tcl in the same src tree, private headers
2081 # are not needed, but we need to be sure to use the right
2083 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2084 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2085 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2087 AC_SUBST(TCL_INCLUDE)
2088 AC_SUBST(TCL_LIBRARY)
2093 # Check for in-tree Tk
2095 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2099 # Find Tk private headers
2100 if test x"${intree}" = xno; then
2101 CY_AC_TK_PRIVATE_HEADERS
2102 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2103 TK_LIBRARY=${TK_LIB_SPEC}
2106 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2107 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2108 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2110 AC_SUBST(TK_INCLUDE)
2111 AC_SUBST(TK_LIBRARY)
2113 AC_SUBST(TK_XINCLUDES)
2115 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2117 # Include some libraries that Tcl and Tk want.
2118 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2119 # Yes, the ordering seems wrong here. But it isn't.
2120 # TK_LIBS is the list of libraries that need to be linked
2121 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2122 # were in LIBS then any link tests after this point would
2123 # try to include things like `$(LIBGUI)', which wouldn't work.
2124 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2126 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2127 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2128 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2129 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2130 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2131 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2132 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2134 if test x$gdb_cv_os_cygwin = xyes; then
2135 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2136 WIN32LDAPP="-Wl,--subsystem,console"
2137 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2140 AC_CONFIG_SUBDIRS(gdbtk)
2148 AC_SUBST(GDBTK_CFLAGS)
2149 AC_SUBST(GDBTK_SRC_DIR)
2153 # Unlike the sim directory, whether a simulator is linked is controlled by
2154 # presence of a gdb_sim definition in the target configure.tgt entry.
2155 # This code just checks for a few cases where we'd like to ignore those
2156 # definitions, even when they're present in the '.mt' file. These cases
2157 # are when --disable-sim is specified, or if the simulator directory is
2158 # not part of the source tree.
2161 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2162 [echo "enable_sim = $enable_sim";
2163 echo "enableval = ${enableval}";
2164 case "${enableval}" in
2165 yes) ignore_sim=false ;;
2166 no) ignore_sim=true ;;
2167 *) ignore_sim=false ;;
2171 if test ! -d "${srcdir}/../sim"; then
2177 if test "${ignore_sim}" = "false"; then
2178 if test x"${gdb_sim}" != x ; then
2180 SIM_OBS="remote-sim.o"
2181 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2183 # Some tdep code should only be compiled in when the ppc sim is
2184 # built. PR sim/13418.
2187 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2195 AC_SUBST(ENABLE_CFLAGS)
2196 AC_SUBST(PROFILE_CFLAGS)
2198 AC_SUBST(CONFIG_OBS)
2199 AC_SUBST(CONFIG_DEPS)
2200 AC_SUBST(CONFIG_SRCS)
2201 AC_SUBST(CONFIG_ALL)
2202 AC_SUBST(CONFIG_CLEAN)
2203 AC_SUBST(CONFIG_INSTALL)
2204 AC_SUBST(CONFIG_UNINSTALL)
2206 # List of host floatformats.
2207 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2208 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2209 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2211 # target_subdir is used by the testsuite to find the target libraries.
2213 if test "${host}" != "${target}"; then
2214 target_subdir="${target_alias}/"
2216 AC_SUBST(target_subdir)
2219 if test "${gdb_native}" = "yes"; then
2220 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2221 if test ! -f ${host_makefile_frag}; then
2222 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2224 frags="$frags $host_makefile_frag"
2226 host_makefile_frag=/dev/null
2229 AC_SUBST_FILE(host_makefile_frag)
2233 if test "${gdb_native}" = "yes"; then
2234 # We pick this up from the host configuration file (.mh) because we
2235 # do not have a native configuration Makefile fragment.
2236 nativefile=`sed -n '
2237 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2238 ' ${host_makefile_frag}`
2242 if test x"${gdb_osabi}" != x ; then
2243 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2244 [Define to the default OS ABI for this configuration.])
2247 # Enable multi-ice-gdb-server.
2248 AC_ARG_ENABLE(multi-ice,
2249 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2253 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2255 if test "x$enable_multi_ice" = xyes; then
2256 AC_CONFIG_SUBDIRS(multi-ice)
2259 AC_ARG_ENABLE(gdbserver,
2260 AS_HELP_STRING([--enable-gdbserver],
2261 [automatically build gdbserver (yes/no/auto, default is auto)]),
2262 [case "${enableval}" in
2264 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2265 esac],[enable_gdbserver=auto])
2267 # We only build gdbserver automatically in a native configuration, and
2268 # only if the user did not explicitly disable its build.
2269 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2270 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2271 if test "x$build_gdbserver" = xyes; then
2273 AC_CONFIG_SUBDIRS(gdbserver)
2274 gdbserver_build_enabled=yes
2280 # If the user explicitly request the gdbserver to be built, verify that
2281 # we were in fact able to enable it.
2282 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2283 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2286 # Check for babeltrace and babeltrace-ctf
2287 AC_ARG_WITH(babeltrace,
2288 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2289 [], [with_babeltrace=auto])
2290 AC_MSG_CHECKING([whether to use babeltrace])
2291 AC_MSG_RESULT([$with_babeltrace])
2293 if test "x$with_babeltrace" = "xno"; then
2294 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2296 # Append -Werror to CFLAGS so that configure can catch the warning
2297 # "assignment from incompatible pointer type", which is related to
2298 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2299 # in GDB, while babeltrace 1.0.3 is broken.
2300 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2301 # safe to save and restore CFLAGS here.
2302 saved_CFLAGS=$CFLAGS
2303 CFLAGS="$CFLAGS -Werror"
2304 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2305 [#include <babeltrace/babeltrace.h>
2306 #include <babeltrace/ctf/events.h>
2307 #include <babeltrace/ctf/iterator.h>],
2308 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2309 struct bt_ctf_event *event = NULL;
2310 const struct bt_definition *scope;
2312 pos->type = BT_SEEK_BEGIN;
2313 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2314 scope = bt_ctf_get_top_level_scope (event,
2315 BT_STREAM_EVENT_HEADER);
2316 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2318 CFLAGS=$saved_CFLAGS
2320 if test "$HAVE_LIBBABELTRACE" != yes; then
2321 if test "$with_babeltrace" = yes; then
2322 AC_MSG_ERROR([babeltrace is missing or unusable])
2324 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2329 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2330 # to an empty version.
2336 if test "${nativefile}" != ""; then
2337 case "${nativefile}" in
2338 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2339 * ) GDB_NM_FILE="${nativefile}"
2341 files="${files} ${GDB_NM_FILE}"
2342 links="${links} nm.h"
2343 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2345 AC_SUBST(GDB_NM_FILE)
2347 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2348 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2349 if test "x$USE_MAINTAINER_MODE" = xyes; then
2350 if test "${XSLTPROC}" = missing; then
2351 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2356 AC_LINK_FILES($files, $links)
2358 dnl Check for exe extension set on certain hosts (e.g. Win32)
2361 dnl Detect the character set used by this host.
2362 dnl At the moment, we just assume it's UTF-8.
2363 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2364 [Define to be a string naming the default host character set.])
2366 if $development; then
2367 AC_DEFINE(GDB_SELF_TEST, 1,
2368 [Define if self-testing features should be enabled])
2371 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2372 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2373 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2374 AC_CONFIG_FILES([Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile],
2376 case x$CONFIG_HEADERS in
2377 xconfig.h:config.in)