1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2020 Free Software Foundation, Inc.
4 dnl This file is part of GDB.
6 dnl This program is free software; you can redistribute it and/or modify
7 dnl it under the terms of the GNU General Public License as published by
8 dnl the Free Software Foundation; either version 3 of the License, or
9 dnl (at your option) any later version.
11 dnl This program is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 dnl GNU General Public License for more details.
16 dnl You should have received a copy of the GNU General Public License
17 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
19 dnl Process this file with autoconf to produce a configure script.
22 AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
25 # Set the 'development' global.
26 . $srcdir/../bfd/development.sh
31 AC_USE_SYSTEM_EXTENSIONS
40 # We require a C++11 compiler. Check if one is available, and if
41 # necessary, set CXX_DIALECT to some -std=xxx switch.
42 AX_CXX_COMPILE_STDCXX(11, , mandatory)
44 # Dependency checking.
46 ZW_PROG_COMPILER_DEPENDENCIES([CC])
48 dnl List of object files and targets accumulated by configure.
60 dnl Set up for gettext.
61 ZW_GNU_GETTEXT_SISTER_DIR
63 localedir='${datadir}/locale'
66 if test x"$USE_NLS" = xyes; then
67 CONFIG_ALL="$CONFIG_ALL all-po"
68 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
69 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
70 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
74 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
77 # We never need to detect it in this sub-configure.
78 # But preserve it for config.status --recheck.
80 [Parent configure detects if it is of sufficient version.])
81 AC_ARG_VAR(MAKEINFOFLAGS,
82 [Parameters for MAKEINFO.])
84 MAKEINFO_EXTRA_FLAGS=""
85 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
86 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
87 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
88 gdb_cv_have_makeinfo_click=yes
90 gdb_cv_have_makeinfo_click=no
92 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
93 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
95 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
97 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
98 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
101 # We can't pass paths as command line arguments.
102 # Mingw32 tries to be clever and will convert the paths for us.
103 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
104 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
105 # This breaks GDB's relocatable path conversions since paths passed in
106 # config.h would not get so translated, the path prefixes no longer match.
107 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
109 # GDB's datadir relocation
111 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
112 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
115 AC_ARG_WITH(relocated-sources,
116 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
117 [reloc_srcdir="${withval}"
118 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
119 [Relocated directory for source files. ])
122 AC_MSG_CHECKING([for default auto-load directory])
123 AC_ARG_WITH(auto-load-dir,
124 AS_HELP_STRING([--with-auto-load-dir=PATH],
125 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
126 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
127 escape_dir=`echo $with_auto_load_dir | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
128 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
129 [Directories from which to load auto-loaded scripts.])
130 AC_MSG_RESULT([$with_auto_load_dir])
132 AC_MSG_CHECKING([for default auto-load safe-path])
133 AC_ARG_WITH(auto-load-safe-path,
134 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
135 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
136 AS_HELP_STRING([--without-auto-load-safe-path],
137 [do not restrict auto-loaded files locations]),
138 [if test "$with_auto_load_safe_path" = "no"; then
139 with_auto_load_safe_path="/"
141 [with_auto_load_safe_path="$with_auto_load_dir"])
142 escape_dir=`echo $with_auto_load_safe_path | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
143 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
144 [Directories safe to hold auto-loaded files.])
145 AC_MSG_RESULT([$with_auto_load_safe_path])
147 AC_CONFIG_SUBDIRS(testsuite)
149 # Check whether to support alternative target configurations
150 AC_ARG_ENABLE(targets,
151 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
152 [case "${enableval}" in
153 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
155 no) enable_targets= ;;
156 *) enable_targets=$enableval ;;
159 # Check whether to enable 64-bit support on 32-bit hosts
160 AC_ARG_ENABLE(64-bit-bfd,
161 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
162 [case "${enableval}" in
165 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
166 esac],[want64=false])dnl
168 # Provide defaults for some variables set by the per-host and per-target
170 gdb_host_obs=posix-hdep.o
172 if test "${target}" = "${host}"; then
178 . $srcdir/configure.host
180 # Accumulate some settings from configure.tgt over all enabled targets
184 HAVE_NATIVE_GCORE_TARGET=
186 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
188 if test "$targ_alias" = "all"; then
191 # Canonicalize the secondary target names.
192 result=`$ac_config_sub $targ_alias 2>/dev/null`
193 if test -n "$result"; then
199 . ${srcdir}/configure.tgt
201 AS_IF([test -z "${gdb_target_obs}"],
202 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
204 # Target-specific object files
205 for i in ${gdb_target_obs}; do
206 case " $TARGET_OBS " in
209 TARGET_OBS="$TARGET_OBS ${i}"
214 # Check whether this target needs 64-bit CORE_ADDR
215 if test x${want64} = xfalse; then
216 . ${srcdir}/../bfd/config.bfd
219 # Check whether this target is native and supports gcore.
220 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
221 && $gdb_have_gcore; then
222 HAVE_NATIVE_GCORE_TARGET=1
227 if test x${all_targets} = xtrue; then
229 # We want all 64-bit targets if we either:
230 # - run on a 64-bit host or
231 # - already require 64-bit support for some other target or
232 # - the --enable-64-bit-bfd option was supplied
233 # Otherwise we only support all 32-bit targets.
235 # NOTE: This test must be in sync with the corresponding
238 if test x${want64} = xfalse; then
239 AC_CHECK_SIZEOF(long)
240 if test "x${ac_cv_sizeof_long}" = "x8"; then
244 if test x${want64} = xtrue; then
245 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
247 TARGET_OBS='$(ALL_TARGET_OBS)'
252 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
254 # For other settings, only the main target counts.
258 targ=$target; . ${srcdir}/configure.tgt
260 # Fetch the default architecture and default target vector from BFD.
261 targ=$target; . $srcdir/../bfd/config.bfd
263 # We only want the first architecture, so strip off the others if
264 # there is more than one.
265 targ_archs=`echo $targ_archs | sed 's/ .*//'`
267 if test "x$targ_archs" != x; then
268 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
269 [Define to BFD's default architecture. ])
271 if test "x$targ_defvec" != x; then
272 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
273 [Define to BFD's default target vector. ])
278 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
283 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
286 if test x"$enable_gdbmi" = xyes; then
287 if test -d "$srcdir/mi"; then
288 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
289 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
290 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
291 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
297 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
302 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
303 esac],enable_tui=auto)
307 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
312 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
314 [if test -d "$srcdir/gdbtk"; then
319 # We unconditionally disable gdbtk tests on selected platforms.
322 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
326 # Libunwind support for ia64.
328 AC_ARG_WITH(libunwind-ia64,
329 AS_HELP_STRING([--with-libunwind-ia64],
330 [use libunwind frame unwinding for ia64 targets]),,
331 [with_libunwind_ia64=auto])
333 # Backward compatibility option.
334 if test "${with_libunwind+set}" = set; then
335 if test x"$with_libunwind_ia64" != xauto; then
337 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
339 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
340 with_libunwind_ia64="$with_libunwind"
343 case "$with_libunwind_ia64" in
347 AC_CHECK_HEADERS(libunwind-ia64.h)
348 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
352 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
356 if test x"$with_libunwind_ia64" = xyes; then
357 AC_CHECK_HEADERS(libunwind-ia64.h)
358 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
359 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
361 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
362 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
363 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
367 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
370 if test "$opt_curses" = "yes"; then
375 AC_ARG_ENABLE(profiling,
376 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
381 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
383 [enable_profiling=no])
385 AC_CHECK_FUNCS(monstartup _mcleanup)
386 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
391 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
392 if test "$ac_cv_var__etext" = yes; then
393 AC_DEFINE(HAVE__ETEXT, 1,
394 [Define to 1 if your system has the _etext variable. ])
396 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
401 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
402 if test "$ac_cv_var_etext" = yes; then
403 AC_DEFINE(HAVE_ETEXT, 1,
404 [Define to 1 if your system has the etext variable. ])
406 if test "$enable_profiling" = yes ; then
407 if test "$ac_cv_func_monstartup" = no || test "$ac_cv_func__mcleanup" = no; then
408 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
412 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
414 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
415 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
416 ac_cv_cc_supports_pg=no)])
418 if test "$ac_cv_cc_supports_pg" = no; then
419 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
426 AC_ARG_ENABLE([codesign],
427 AS_HELP_STRING([--enable-codesign=CERT],
428 [sign gdb with 'codesign -s CERT']),
429 [CODESIGN_CERT=$enableval])
430 AC_SUBST([CODESIGN_CERT])
432 ACX_PKGVERSION([GDB])
433 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
434 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
435 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
437 # --------------------- #
438 # Checks for programs. #
439 # --------------------- #
447 AC_CHECK_TOOL(AR, ar)
448 AC_CHECK_TOOL(DLLTOOL, dlltool)
449 AC_CHECK_TOOL(WINDRES, windres)
453 # Needed for GNU Hurd hosts.
454 AC_CHECK_TOOL(MIG, mig)
455 if test x"$MIG" = x; then
456 AC_MSG_ERROR([MIG not found but required for $host hosts])
461 # ---------------------- #
462 # Checks for libraries. #
463 # ---------------------- #
465 # We might need to link with -lm; most simulators need it.
466 AC_CHECK_LIB(m, main)
468 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
469 AC_SEARCH_LIBS(gethostbyname, nsl)
471 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
472 AC_SEARCH_LIBS(socketpair, socket)
474 # Link in zlib if we can. This allows us to read compressed debug sections.
477 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
478 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
479 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
480 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
481 [Define to 1 if your system has the kinfo_getvmmap function. ])])
483 # fbsd-nat.c can also use kinfo_getfile.
484 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd,
485 [AC_DEFINE(HAVE_KINFO_GETFILE, 1,
486 [Define to 1 if your system has the kinfo_getfile function. ])])
490 # GDB may fork/exec the iconv program to get the list of supported character
491 # sets. Allow the user to specify where to find it.
492 # There are several factors affecting the choice of option name:
493 # - There is already --with-libiconv-prefix but we can't use it, it specifies
494 # the build-time location of libiconv files.
495 # - The program we need to find is iconv, which comes with glibc. The user
496 # doesn't necessarily have libiconv installed. Therefore naming this
497 # --with-libiconv-foo feels wrong.
498 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
499 # defined to work on directories not files (though it really doesn't know
501 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
502 # with --with-libiconv-prefix.
503 # Putting these together is why the option name is --with-iconv-bin.
505 AC_ARG_WITH(iconv-bin,
506 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
507 [iconv_bin="${withval}"
508 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
509 [Path of directory of iconv program.])
510 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
513 # For the TUI, we need enhanced curses functionality.
514 if test x"$enable_tui" != xno; then
519 if test x"$prefer_curses" = xyes; then
520 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
521 # curses library because the latter might not provide all the
522 # functionality we need. However, this leads to problems on systems
523 # where the linker searches /usr/local/lib, but the compiler doesn't
524 # search /usr/local/include, if ncurses is installed in /usr/local. A
525 # default installation of ncurses on alpha*-dec-osf* will lead to such
527 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
529 if test "$ac_cv_search_waddstr" != no; then
534 # Check whether we should enable the TUI, but only do so if we really
536 if test x"$enable_tui" != xno; then
537 if test -d "$srcdir/tui"; then
538 if test "$curses_found" != no; then
539 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
540 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
541 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
542 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
544 if test x"$enable_tui" = xyes; then
545 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
547 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
553 # Since GDB uses Readline, we need termcap functionality. In many
554 # cases this will be provided by the curses library, but some systems
555 # have a separate termcap library, or no curses library at all.
559 if test -d "$srcdir/libtermcap"; then
560 LIBS="../libtermcap/libtermcap.a $LIBS"
561 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
564 ac_cv_search_tgetent="none required"
568 # These are the libraries checked by Readline.
569 AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
571 if test "$ac_cv_search_tgetent" = no; then
572 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
575 AC_ARG_WITH([system-readline],
576 [AS_HELP_STRING([--with-system-readline],
577 [use installed readline library])])
579 if test "$with_system_readline" = yes; then
580 AC_CACHE_CHECK([whether system readline is new enough],
581 [gdb_cv_readline_ok],
584 #include <readline/readline.h>],
585 [#if RL_VERSION_MAJOR < 7
586 # error "readline version 7 required"
588 gdb_cv_readline_ok=yes,
589 gdb_cv_readline_ok=no)])
590 if test "$gdb_cv_readline_ok" != yes; then
591 AC_MSG_ERROR([system readline is not new enough])
597 READLINE_TEXI_INCFLAG=
599 READLINE='$(READLINE_DIR)/libreadline.a'
600 READLINE_DEPS='$(READLINE)'
601 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
602 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
605 AC_SUBST(READLINE_DEPS)
606 AC_SUBST(READLINE_CFLAGS)
607 AC_SUBST(READLINE_TEXI_INCFLAG)
609 # Generate jit-reader.h
611 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
614 AC_CHECK_SIZEOF(unsigned long long)
615 AC_CHECK_SIZEOF(unsigned long)
616 AC_CHECK_SIZEOF(unsigned __int128)
618 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
619 TARGET_PTR="unsigned long"
620 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
621 TARGET_PTR="unsigned long long"
622 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
623 TARGET_PTR="unsigned __int128"
625 TARGET_PTR="unsigned long"
629 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
631 AC_SEARCH_LIBS(dlopen, dl)
633 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
634 [directory to load the JIT readers from],
638 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
639 [], [with_expat=auto])
640 AC_MSG_CHECKING([whether to use expat])
641 AC_MSG_RESULT([$with_expat])
643 if test "${with_expat}" = no; then
644 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
647 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
648 [XML_Parser p = XML_ParserCreate (0);])
649 if test "$HAVE_LIBEXPAT" != yes; then
650 if test "$with_expat" = yes; then
651 AC_MSG_ERROR([expat is missing or unusable])
653 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
657 LIBS="$LIBS $LIBEXPAT"
658 AC_CHECK_FUNCS(XML_StopParser)
664 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
665 [], [with_mpfr=auto])
666 AC_MSG_CHECKING([whether to use MPFR])
667 AC_MSG_RESULT([$with_mpfr])
669 if test "${with_mpfr}" = no; then
670 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
673 AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
674 [mpfr_exp_t exp; mpfr_t x;
675 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
676 if test "$HAVE_LIBMPFR" != yes; then
677 if test "$with_mpfr" = yes; then
678 AC_MSG_ERROR([MPFR is missing or unusable])
680 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
685 # --------------------- #
686 # Check for libpython. #
687 # --------------------- #
689 dnl Utility to simplify finding libpython.
690 dnl $1 = the shell variable to assign the result to
691 dnl If libpython is found we store $version here.
692 dnl $2 = additional flags to add to CPPFLAGS
693 dnl $3 = additional flags to add to LIBS
695 AC_DEFUN([AC_TRY_LIBPYTHON],
697 define([have_libpython_var],$1)
700 AC_MSG_CHECKING([for python])
701 save_CPPFLAGS=$CPPFLAGS
703 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
704 LIBS="$new_LIBS $LIBS"
705 found_usable_python=no
706 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
707 [[Py_Initialize ();]])],
708 [have_libpython_var=yes
709 found_usable_python=yes
710 PYTHON_CPPFLAGS=$new_CPPFLAGS
711 PYTHON_LIBS=$new_LIBS])
712 CPPFLAGS=$save_CPPFLAGS
714 AC_MSG_RESULT([${found_usable_python}])
717 dnl There are several different values for --with-python:
719 dnl no - Don't include python support.
720 dnl yes - Include python support, error if it's missing.
721 dnl If we find python in $PATH, use it to fetch configure options,
722 dnl otherwise assume the compiler can find it with no help from us.
723 dnl Python 2.7 and 2.6 are tried in turn.
724 dnl auto - Same as "yes", but if python is missing from the system,
725 dnl fall back to "no".
726 dnl /path/to/python/exec-prefix -
727 dnl Use the python located in this directory.
728 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
729 dnl the compilation parameters. Otherwise use
730 dnl -I/path/to/python/exec-prefix/include,
731 dnl -L/path/to/python/exec-prefix/lib.
732 dnl Python 2.7 and 2.6 are tried in turn.
733 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
734 dnl but is deprecated.
735 dnl /path/to/python/executable -
736 dnl Run python-config.py with this version of python to fetch the
737 dnl compilation parameters.
738 dnl NOTE: This needn't be the real python executable.
739 dnl In a cross-compilation scenario (build != host), this could be
740 dnl a shell script that provides what python-config.py provides for
741 dnl --ldflags, --includes, --exec-prefix.
742 dnl python-executable -
743 dnl Find python-executable in $PATH, and then handle the same as
744 dnl /path/to/python/executable.
746 dnl If a python program is specified, it is used to run python-config.py and
747 dnl is passed --ldflags, --includes, --exec-prefix.
750 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
751 [], [with_python=auto])
752 AC_MSG_CHECKING([whether to use python])
753 AC_MSG_RESULT([$with_python])
755 if test "${with_python}" = no; then
756 AC_MSG_WARN([python support disabled; some features may be unavailable.])
759 case "${with_python}" in
760 [[\\/]]* | ?:[[\\/]]*)
761 if test -d "${with_python}"; then
762 # Assume the python binary is ${with_python}/bin/python.
763 python_prog="${with_python}/bin/python"
765 # If python does not exit ${with_python}/bin, then try in
766 # ${with_python}. On Windows/MinGW, this is where the Python
768 if test ! -x "${python_prog}"; then
769 python_prog="${with_python}/python"
772 if test ! -x "${python_prog}"; then
773 # Fall back to gdb 7.0/7.1 behaviour.
775 python_prefix=${with_python}
777 elif test -x "${with_python}"; then
778 # While we can't run python compiled for $host (unless host == build),
779 # the user could write a script that provides the needed information,
780 # so we support that.
781 python_prog=${with_python}
784 AC_ERROR(invalid value for --with-python)
788 # Disallow --with-python=foo/bar.
789 AC_ERROR(invalid value for --with-python)
792 # The user has either specified auto, yes, or the name of the python
793 # program assumed to be in $PATH.
795 case "${with_python}" in
797 if test "${build}" = "${host}"; then
798 AC_PATH_PROG(python_prog_path, python, missing)
799 if test "${python_prog_path}" = missing; then
802 python_prog=${python_prog_path}
805 # Not much we can do except assume the cross-compiler will find the
811 # While we can't run python compiled for $host (unless host == build),
812 # the user could write a script that provides the needed information,
813 # so we support that.
814 python_prog="${with_python}"
815 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
816 if test "${python_prog_path}" = missing; then
817 AC_ERROR(unable to find python program ${python_prog})
823 if test "${python_prog}" != missing; then
824 # We have a python program to use, but it may be too old.
825 # Don't flag an error for --with-python=auto (the default).
826 have_python_config=yes
827 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
828 if test $? != 0; then
829 have_python_config=failed
830 if test "${with_python}" != auto; then
831 AC_ERROR(failure running python-config --includes)
834 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
835 if test $? != 0; then
836 have_python_config=failed
837 if test "${with_python}" != auto; then
838 AC_ERROR(failure running python-config --ldflags)
841 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
842 if test $? != 0; then
843 have_python_config=failed
844 if test "${with_python}" != auto; then
845 AC_ERROR(failure running python-config --exec-prefix)
849 # We do not have a python executable we can use to determine where
850 # to find the Python headers and libs. We cannot guess the include
851 # path from the python_prefix either, because that include path
852 # depends on the Python version. So, there is nothing much we can
853 # do except assume that the compiler will be able to find those files.
856 have_python_config=no
859 # If we have python-config, only try the configuration it provides.
860 # Otherwise fallback on the old way of trying different versions of
864 if test "${have_python_config}" = yes; then
865 AC_TRY_LIBPYTHON(have_libpython,
866 ${python_includes}, ${python_libs})
867 elif test "${have_python_config}" != failed; then
868 if test "${have_libpython}" = no; then
869 AC_TRY_LIBPYTHON(have_libpython,
870 ${python_includes}, "-lpython2.7 ${python_libs}")
872 if test "${have_libpython}" = no; then
873 AC_TRY_LIBPYTHON(have_libpython,
874 ${python_includes}, "-lpython2.6 ${python_libs}")
878 if test "${have_libpython}" = no; then
879 case "${with_python}" in
881 AC_MSG_ERROR([python is missing or unusable])
884 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
887 AC_MSG_ERROR([no usable python found at ${with_python}])
891 if test -n "${python_prefix}"; then
892 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
893 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
894 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
899 if test "${have_libpython}" != no; then
900 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
901 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
902 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
903 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
904 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
905 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
907 # Flags needed to compile Python code (taken from python-config --cflags).
908 # We cannot call python-config directly because it will output whatever was
909 # used when compiling the Python interpreter itself, including flags which
910 # would make the python-related objects be compiled differently from the
911 # rest of GDB (e.g., -O2 and -fPIC).
912 if test "${GCC}" = yes; then
913 tentative_python_cflags="-fno-strict-aliasing -fwrapv"
914 # Python headers recommend -DNDEBUG, but it's unclear if that just
915 # refers to building Python itself. In release mode, though, it
916 # doesn't hurt for the Python code in gdb to follow.
917 $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
920 if test "x${tentative_python_cflags}" != x; then
921 AC_MSG_CHECKING(compiler flags for python code)
922 for flag in ${tentative_python_cflags}; do
923 # Check that the compiler accepts it
924 saved_CFLAGS="$CFLAGS"
925 CFLAGS="$CFLAGS $flag"
926 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
927 CFLAGS="$saved_CFLAGS"
929 AC_MSG_RESULT(${PYTHON_CFLAGS})
932 # On x64 Windows, Python's include headers, and pyconfig.h in
933 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
934 # version of Windows. Unfortunately, MS_WIN64 is only defined if
935 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
936 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
937 # The issue was reported to the Python community, but still isn't
938 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
942 if test "${GCC}" = yes; then
943 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
948 # Even if Python support is not compiled in, we need to have this file
949 # included so that the "python" command, et.al., still exists.
950 CONFIG_OBS="$CONFIG_OBS python/python.o"
951 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
954 # Work around Python http://bugs.python.org/issue10112. See also
955 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
956 # no effect. Note that the only test after this that uses Python is
957 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
958 # run without -export-dynamic too.
959 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
961 AC_SUBST(PYTHON_CFLAGS)
962 AC_SUBST(PYTHON_CPPFLAGS)
963 AC_SUBST(PYTHON_LIBS)
964 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
966 # -------------------- #
967 # Check for libguile. #
968 # -------------------- #
970 dnl Utility to simplify finding libguile.
971 dnl $1 = pkg-config-program
972 dnl $2 = space-separate list of guile versions to try
973 dnl $3 = yes|no, indicating whether to flag errors or ignore them
974 dnl $4 = the shell variable to assign the result to
975 dnl If libguile is found we store "yes" here.
977 AC_DEFUN([AC_TRY_LIBGUILE],
980 guile_version_list=$2
982 define([have_libguile_var],$4)
983 found_usable_guile=checking
984 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
985 for guile_version in ${guile_version_list}; do
986 ${pkg_config} --exists ${guile_version} 2>/dev/null
987 if test $? != 0; then
990 dnl pkg-config says the package exists, so if we get an error now,
992 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
993 if test $? != 0; then
994 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
996 new_LIBS=`${pkg_config} --libs ${guile_version}`
997 if test $? != 0; then
998 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1000 dnl If we get this far, great.
1001 found_usable_guile=${guile_version}
1004 if test "${found_usable_guile}" = "checking"; then
1005 if test "${flag_errors}" = "yes"; then
1006 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1008 found_usable_guile=no
1011 dnl One final sanity check.
1012 dnl The user could have said --with-guile=python-2.7.
1013 if test "${found_usable_guile}" != no; then
1014 save_CPPFLAGS=$CPPFLAGS
1016 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1017 LIBS="$LIBS $new_LIBS"
1018 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1019 [[scm_init_guile ();]])],
1020 [have_libguile_var=yes
1021 GUILE_CPPFLAGS=$new_CPPFLAGS
1022 GUILE_LIBS=$new_LIBS],
1023 [found_usable_guile=no])
1024 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1025 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1026 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1027 [Define if Guile supports manual finalization.])
1029 CPPFLAGS=$save_CPPFLAGS
1031 if test "${found_usable_guile}" = no; then
1032 if test "${flag_errors}" = yes; then
1033 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1037 AC_MSG_RESULT([${found_usable_guile}])
1040 dnl There are several different values for --with-guile:
1042 dnl no - Don't include guile support.
1043 dnl yes - Include guile support, error if it's missing.
1044 dnl The pkg-config program must be in $PATH.
1045 dnl auto - Same as "yes", but if guile is missing from the system,
1046 dnl fall back to "no".
1047 dnl guile-version [guile-version-choice-2 ...] -
1048 dnl A space-separated list of guile package versions to try.
1049 dnl These are passed to pkg-config as-is.
1050 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1051 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1052 dnl /path/to/pkg-config -
1053 dnl Use this pkg-config program.
1054 dnl NOTE: This needn't be the "real" pkg-config program.
1055 dnl It could be a shell script. It is invoked as:
1056 dnl pkg-config --exists $version
1057 dnl pkg-config --cflags $version
1058 dnl pkg-config --libs $version
1059 dnl pkg-config --variable guild $version
1060 dnl The script will be called with $version having each value in
1061 dnl $try_guile_versions until --exists indicates success.
1064 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1065 [], [with_guile=auto])
1066 AC_MSG_CHECKING([whether to use guile])
1067 AC_MSG_RESULT([$with_guile])
1069 dnl We check guile with pkg-config.
1070 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1072 try_guile_versions="guile-2.0"
1074 case "${with_guile}" in
1076 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1079 if test "${pkg_config_prog_path}" = "missing"; then
1080 AC_MSG_WARN([pkg-config not found, guile support disabled])
1082 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1086 if test "${pkg_config_prog_path}" = "missing"; then
1087 AC_MSG_ERROR([pkg-config not found])
1089 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1091 [[\\/]]* | ?:[[\\/]]*)
1092 if test -x "${with_guile}"; then
1093 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1095 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1099 # Disallow --with=guile="" and --with-guile=foo/bar.
1100 AC_MSG_ERROR([invalid value for --with-guile])
1103 # A space separate list of guile versions to try, in order.
1104 if test "${pkg_config_prog_path}" = "missing"; then
1105 AC_MSG_ERROR([pkg-config not found])
1107 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1111 if test "${have_libguile}" != no; then
1112 dnl Get the name of the 'guild' program.
1113 case "${with_guile}" in
1114 [[\\/]]* | ?:[[\\/]]*)
1115 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1118 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1122 dnl Make sure guild can handle this host.
1123 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1124 dnl If not, disable guile support.
1125 if test "$ac_cv_guild_ok" = no; then
1127 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1131 if test "${have_libguile}" != no; then
1132 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1133 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1134 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1135 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1136 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1137 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1139 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1141 save_CPPFLAGS="$CPPFLAGS"
1143 CPPFLAGS="$GUILE_CPPFLAGS"
1144 AC_CHECK_FUNCS([scm_new_smob])
1146 CPPFLAGS="$save_CPPFLAGS"
1148 # Even if Guile support is not compiled in, we need to have these files
1150 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1151 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1153 AC_SUBST(GUILE_CPPFLAGS)
1154 AC_SUBST(GUILE_LIBS)
1155 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1157 # ---------------------------- #
1158 # Check for source highlight. #
1159 # ---------------------------- #
1164 AC_ARG_ENABLE(source-highlight,
1165 AS_HELP_STRING([--enable-source-highlight],
1166 [enable source-highlight for source listings]),
1167 [case "${enableval}" in
1168 yes) enable_source_highlight=yes ;;
1169 no) enable_source_highlight=no ;;
1170 *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
1172 [enable_source_highlight=auto])
1174 if test "${enable_source_highlight}" != "no"; then
1175 AC_MSG_CHECKING([for the source-highlight library])
1176 if test "${pkg_config_prog_path}" = "missing"; then
1177 AC_MSG_RESULT([no - pkg-config not found])
1178 if test "${enable_source_highlight}" = "yes"; then
1179 AC_MSG_ERROR([pkg-config was not found in your system])
1184 AC_MSG_ERROR([source highlight is incompatible with -static-libstdc++; dnl
1185 either use --disable-source-highlight or dnl
1186 --without-static-standard-libraries])
1190 if ${pkg_config_prog_path} --exists source-highlight; then
1191 SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
1192 SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
1193 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1194 [Define to 1 if the source-highlight library is available])
1195 AC_MSG_RESULT([yes])
1198 if test "${enable_source_highlight}" = "yes"; then
1199 AC_MSG_ERROR([source-highlight was not found in your system])
1204 AC_SUBST(SRCHIGH_LIBS)
1205 AC_SUBST(SRCHIGH_CFLAGS)
1207 AC_ARG_WITH(intel_pt,
1208 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1209 [], [with_intel_pt=auto])
1210 AC_MSG_CHECKING([whether to use intel pt])
1211 AC_MSG_RESULT([$with_intel_pt])
1213 if test "${with_intel_pt}" = no; then
1214 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1217 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1218 #include <linux/perf_event.h>
1219 #ifndef PERF_ATTR_SIZE_VER5
1222 ]])], [perf_event=yes], [perf_event=no])
1223 if test "$perf_event" != yes; then
1224 if test "$with_intel_pt" = yes; then
1225 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1227 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1231 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1232 if test "$HAVE_LIBIPT" != yes; then
1233 if test "$with_intel_pt" = yes; then
1234 AC_MSG_ERROR([libipt is missing or unusable])
1236 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1240 LIBS="$LIBS $LIBIPT"
1241 AC_CHECK_FUNCS(pt_insn_event)
1242 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1243 [#include <intel-pt.h>])
1248 # ------------------------- #
1249 # Checks for header files. #
1250 # ------------------------- #
1253 # elf_hp.h is for HP/UX 64-bit shared library support.
1254 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1255 thread_db.h linux/elf.h \
1256 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1257 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1258 sys/reg.h sys/debugreg.h sys/select.h \
1259 termios.h elf_hp.h])
1260 AC_CHECK_HEADERS(sys/user.h, [], [],
1261 [#if HAVE_SYS_PARAM_H
1262 # include <sys/param.h>
1266 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1267 AC_CHECK_HEADERS(term.h, [], [],
1269 # include <curses.h>
1273 # ------------------------- #
1274 # Checks for declarations. #
1275 # ------------------------- #
1279 AC_CHECK_DECLS([snprintf])
1282 # ----------------------- #
1283 # Checks for structures. #
1284 # ----------------------- #
1286 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1288 # ------------------ #
1289 # Checks for types. #
1290 # ------------------ #
1292 AC_CHECK_TYPES(socklen_t, [], [],
1293 [#include <sys/types.h>
1294 #include <sys/socket.h>
1297 # ------------------------------------- #
1298 # Checks for compiler characteristics. #
1299 # ------------------------------------- #
1305 # ------------------------------ #
1306 # Checks for library functions. #
1307 # ------------------------------ #
1311 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1312 pipe poll pread pread64 pwrite resize_term \
1313 sbrk getpgid setpgid setpgrp setsid \
1314 sigaction sigsetmask socketpair \
1315 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1316 setrlimit getrlimit posix_madvise waitpid \
1317 ptrace64 sigaltstack setns use_default_colors])
1321 # Check the return and argument types of ptrace.
1324 dnl AC_FUNC_SETPGRP does not work when cross compiling
1325 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1326 if test "$cross_compiling" = no; then
1329 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1333 if (setpgrp(1,1) == -1)
1337 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1338 if test "$ac_cv_func_setpgrp_void" = yes; then
1339 AC_DEFINE(SETPGRP_VOID, 1)
1343 # Assume we'll default to using the included libiberty regex.
1344 gdb_use_included_regex=yes
1346 # However, if the system regex is GNU regex, then default to *not*
1347 # using the included regex.
1350 [gdb_cv_have_gnu_regex],
1352 [#include <gnu-versions.h>],
1353 [#define REGEX_INTERFACE_VERSION 1
1354 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1355 # error "Version mismatch"
1357 gdb_cv_have_gnu_regex=yes,
1358 gdb_cv_have_gnu_regex=no)])
1359 if test "$gdb_cv_have_gnu_regex" = yes; then
1360 gdb_use_included_regex=no
1363 AC_ARG_WITH(included-regex,
1364 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)]),
1365 gdb_with_regex=$withval,
1366 gdb_with_regex=$gdb_use_included_regex)
1367 if test "$gdb_with_regex" = yes; then
1368 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1369 [Define to 1 if the regex included in libiberty should be used.])
1372 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1373 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1374 [#include <sys/param.h>
1375 #include <sys/proc.h>
1378 # See if <sys/lwp.h> defines `struct lwp`.
1379 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1380 [AC_TRY_COMPILE([#include <sys/param.h>
1382 #include <sys/lwp.h>], [struct lwp l;],
1383 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1384 if test "$gdb_cv_struct_lwp" = yes; then
1385 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1386 [Define to 1 if your system has struct lwp.])
1389 # See if <machine/reg.h> degines `struct reg'.
1390 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1391 [AC_TRY_COMPILE([#include <sys/types.h>
1392 #include <machine/reg.h>], [struct reg r;],
1393 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1394 if test "$gdb_cv_struct_reg" = yes; then
1395 AC_DEFINE(HAVE_STRUCT_REG, 1,
1396 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1399 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1400 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1401 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1402 [#include <sys/types.h>
1403 #include <machine/reg.h>])
1405 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1406 # Older amd64 Linux's don't have the fs_base and gs_base members of
1407 # `struct user_regs_struct'.
1408 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1409 [], [], [#include <sys/types.h>
1410 #include <sys/user.h>])
1412 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1413 AC_MSG_CHECKING(for PTRACE_GETREGS)
1414 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1415 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1417 [gdb_cv_have_ptrace_getregs=yes],
1418 [gdb_cv_have_ptrace_getregs=no])])
1419 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1420 if test "$gdb_cv_have_ptrace_getregs" = yes; then
1421 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1422 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1425 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1426 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1427 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1428 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1429 [PTRACE_GETFPXREGS;],
1430 [gdb_cv_have_ptrace_getfpxregs=yes],
1431 [gdb_cv_have_ptrace_getfpxregs=no])])
1432 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1433 if test "$gdb_cv_have_ptrace_getfpxregs" = yes; then
1434 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1435 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1438 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1439 AC_MSG_CHECKING(for PT_GETDBREGS)
1440 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1441 [AC_TRY_COMPILE([#include <sys/types.h>
1442 #include <sys/ptrace.h>],
1444 [gdb_cv_have_pt_getdbregs=yes],
1445 [gdb_cv_have_pt_getdbregs=no])])
1446 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1447 if test "$gdb_cv_have_pt_getdbregs" = yes; then
1448 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1449 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1452 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1453 AC_MSG_CHECKING(for PT_GETXMMREGS)
1454 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1455 [AC_TRY_COMPILE([#include <sys/types.h>
1456 #include <sys/ptrace.h>],
1458 [gdb_cv_have_pt_getxmmregs=yes],
1459 [gdb_cv_have_pt_getxmmregs=no])])
1460 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1461 if test "$gdb_cv_have_pt_getxmmregs" = yes; then
1462 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1463 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1466 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1467 # Older FreeBSD versions don't have the pl_tdname member of
1468 # `struct ptrace_lwpinfo'.
1469 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1470 [#include <sys/ptrace.h>])
1472 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1473 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1475 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1476 [#include <sys/ptrace.h>])
1478 if test "$ac_cv_header_sys_procfs_h" = yes; then
1479 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1480 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1481 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1482 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1483 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1484 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1485 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1486 BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
1489 # Check if the compiler supports the `long long' type.
1491 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1492 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1493 [[extern long long foo;]],
1494 [[switch (foo & 2) { case 0: return 1; }]])],
1495 gdb_cv_c_long_long=yes,
1496 gdb_cv_c_long_long=no)])
1497 if test "$gdb_cv_c_long_long" != yes; then
1498 # libdecnumber requires long long.
1499 AC_MSG_ERROR([Compiler must support long long for GDB.])
1502 # Check if the compiler and runtime support printing long longs.
1504 AC_CACHE_CHECK([for long long support in printf],
1505 gdb_cv_printf_has_long_long,
1506 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1509 l = (l << 16) + 0x0123;
1510 l = (l << 16) + 0x4567;
1511 l = (l << 16) + 0x89ab;
1512 l = (l << 16) + 0xcdef;
1513 sprintf (buf, "0x%016llx", l);
1514 return (strcmp ("0x0123456789abcdef", buf));]])],
1515 gdb_cv_printf_has_long_long=yes,
1516 gdb_cv_printf_has_long_long=no,
1517 gdb_cv_printf_has_long_long=no)])
1518 if test "$gdb_cv_printf_has_long_long" = yes; then
1519 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1520 [Define to 1 if the "%ll" format works to print long longs.])
1523 # Check if the compiler and runtime support printing decfloats.
1525 AC_CACHE_CHECK([for decfloat support in printf],
1526 gdb_cv_printf_has_decfloat,
1527 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1529 _Decimal32 d32 = 1.2345df;
1530 _Decimal64 d64 = 1.2345dd;
1531 _Decimal128 d128 = 1.2345dl;
1532 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1533 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1534 gdb_cv_printf_has_decfloat=yes,
1535 gdb_cv_printf_has_decfloat=no,
1536 gdb_cv_printf_has_decfloat=no)])
1537 if test "$gdb_cv_printf_has_decfloat" = yes; then
1538 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1539 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1542 # Check if the compiler supports the `long double' type. We can't use
1543 # AC_C_LONG_DOUBLE because that one does additional checks on the
1544 # constants defined in <float.h> that fail on some systems,
1545 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1547 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1548 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1549 gdb_cv_c_long_double=yes,
1550 gdb_cv_c_long_double=no)])
1551 if test "$gdb_cv_c_long_double" = yes; then
1552 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1553 [Define to 1 if the compiler supports long double.])
1556 # Check if the compiler and runtime support printing long doubles.
1558 AC_CACHE_CHECK([for long double support in printf],
1559 gdb_cv_printf_has_long_double,
1560 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1562 long double f = 3.141592653;
1563 sprintf (buf, "%Lg", f);
1564 return (strncmp ("3.14159", buf, 7));]])],
1565 gdb_cv_printf_has_long_double=yes,
1566 gdb_cv_printf_has_long_double=no,
1567 gdb_cv_printf_has_long_double=no)])
1568 if test "$gdb_cv_printf_has_long_double" = yes; then
1569 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1570 [Define to 1 if the "%Lg" format works to print long doubles.])
1573 # Check if the compiler and runtime support scanning long doubles.
1575 AC_CACHE_CHECK([for long double support in scanf],
1576 gdb_cv_scanf_has_long_double,
1577 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1578 [[#include <stdio.h>]],
1579 [[char *buf = "3.141592653";
1581 sscanf (buf, "%Lg", &f);
1582 return !(f > 3.14159 && f < 3.14160);]])],
1583 gdb_cv_scanf_has_long_double=yes,
1584 gdb_cv_scanf_has_long_double=no,
1585 gdb_cv_scanf_has_long_double=no)])
1586 if test "$gdb_cv_scanf_has_long_double" = yes; then
1587 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1588 [Define to 1 if the "%Lg" format works to scan long doubles.])
1593 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1594 SAVE_LDFLAGS=$LDFLAGS
1597 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1598 *) gdb_cv_bigtoc=-bbigtoc ;;
1601 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1602 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1603 LDFLAGS="${SAVE_LDFLAGS}"
1605 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1609 AC_MSG_CHECKING(for the dynamic export flag)
1611 if test "${gdb_native}" = yes; then
1612 # The dynamically loaded libthread_db needs access to symbols in the gdb
1613 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1614 # may not be supported there.
1615 old_LDFLAGS="$LDFLAGS"
1616 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1617 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1618 LDFLAGS="$LDFLAGS $RDYNAMIC"
1619 if test "${have_libpython}" = no; then
1620 AC_TRY_LINK([], [], [dynamic_list=true])
1622 # Workaround http://bugs.python.org/issue4434 where static
1623 # libpythonX.Y.a would get its symbols required for
1624 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1625 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1627 # Note the workaround for Python
1628 # http://bugs.python.org/issue10112 earlier has removed
1629 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1630 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1632 old_CFLAGS="$CFLAGS"
1633 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1635 LIBS="$LIBS $PYTHON_LIBS"
1636 old_CPPFLAGS="$CPPFLAGS"
1637 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1640 [#include "Python.h"],
1643 err = PyRun_SimpleString ("import itertools\n");
1645 return err == 0 ? 0 : 1;])],
1646 [dynamic_list=true], [], [true])
1648 CFLAGS="$old_CFLAGS"
1649 CPPFLAGS="$old_CPPFLAGS"
1651 LDFLAGS="$old_LDFLAGS"
1653 if $dynamic_list; then
1654 found="-Wl,--dynamic-list"
1655 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1658 RDYNAMIC="-rdynamic"
1661 AC_MSG_RESULT($found)
1663 dnl For certain native configurations, we need to check whether thread
1664 dnl support can be built in or not.
1666 dnl Note that we only want this if we are both native (host == target),
1667 dnl and not doing a canadian cross build (build == host).
1669 if test "${build}" = "${host}" -a "${host}" = "${target}" ; then
1672 AC_MSG_CHECKING(for AiX thread debugging library)
1673 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1674 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1675 [#ifndef PTHDB_VERSION_3
1678 gdb_cv_have_aix_thread_debug=yes,
1679 gdb_cv_have_aix_thread_debug=no)])
1680 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1681 if test "$gdb_cv_have_aix_thread_debug" = yes; then
1682 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1683 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1684 LIBS="$LIBS -lpthdebug"
1686 # Older versions of AIX do not provide the declaration for
1687 # the getthrds function (it appears that it was introduced
1689 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1693 AC_SUBST(CONFIG_LDFLAGS)
1696 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1697 dnl other error codes.
1698 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1699 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1700 gdb_cv_thread_db_h_has_td_notalloc,
1702 [#include <thread_db.h>],
1703 [int i = TD_NOTALLOC;],
1704 gdb_cv_thread_db_h_has_td_notalloc=yes,
1705 gdb_cv_thread_db_h_has_td_notalloc=no
1708 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1709 gdb_cv_thread_db_h_has_td_version,
1711 [#include <thread_db.h>],
1712 [int i = TD_VERSION;],
1713 gdb_cv_thread_db_h_has_td_version=yes,
1714 gdb_cv_thread_db_h_has_td_version=no
1717 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1718 gdb_cv_thread_db_h_has_td_notls,
1720 [#include <thread_db.h>],
1721 [int i = TD_NOTLS;],
1722 gdb_cv_thread_db_h_has_td_notls=yes,
1723 gdb_cv_thread_db_h_has_td_notls=no
1727 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1728 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1729 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1731 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1732 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1733 [Define if <thread_db.h> has the TD_VERSION error code.])
1735 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1736 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1737 [Define if <thread_db.h> has the TD_NOTLS error code.])
1740 dnl Check if we can disable the virtual address space randomization.
1741 dnl The functionality of setarch -R.
1742 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1743 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1744 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1745 # define ADDR_NO_RANDOMIZE 0x0040000
1747 /* Test the flag could be set and stays set. */
1748 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1749 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1751 AC_RUN_IFELSE([PERSONALITY_TEST],
1752 [have_personality=true],
1753 [have_personality=false],
1754 [AC_LINK_IFELSE([PERSONALITY_TEST],
1755 [have_personality=true],
1756 [have_personality=false])])
1757 if $have_personality
1759 AC_DEFINE([HAVE_PERSONALITY], 1,
1760 [Define if you support the personality syscall.])
1763 dnl Set the host's .gdbinit filename.
1772 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1774 dnl Handle optional features that can be enabled.
1776 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1777 # except that the argument to --with-sysroot is optional.
1778 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1779 if test "x$with_sysroot" = xyes; then
1780 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1782 AC_ARG_WITH(sysroot,
1783 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1784 [search for usr/lib et al within DIR]),
1785 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1786 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1787 [search for usr/lib et al within DIR])
1788 AC_SUBST(TARGET_SYSTEM_ROOT)
1789 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1791 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1792 [automatically load a system-wide gdbinit file],
1794 GDB_AC_WITH_DIR(SYSTEM_GDBINIT_DIR, system-gdbinit-dir,
1795 [automatically load system-wide gdbinit files from this directory],
1801 # In the Cygwin environment, we need some additional flags.
1802 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1803 [AC_EGREP_CPP(^lose$, [
1804 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1806 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1809 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1810 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1812 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1813 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1814 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1815 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1817 AC_SUBST(SER_HARDWIRE)
1819 # libreadline needs libuser32.a in a cygwin environment
1821 if test x"$gdb_cv_os_cygwin" = xyes; then
1822 WIN32LIBS="-luser32"
1824 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1829 # The ser-tcp.c module requires sockets.
1832 AC_DEFINE(USE_WIN32API, 1,
1833 [Define if we should use the Windows API, instead of the
1834 POSIX API. On Windows, we use the Windows API when
1835 building for MinGW, but the POSIX API when building
1837 WIN32LIBS="$WIN32LIBS -lws2_32"
1842 # Add ELF support to GDB, but only if BFD includes ELF support.
1843 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1844 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1845 if test "$gdb_cv_var_elf" = yes; then
1846 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1847 AC_DEFINE(HAVE_ELF, 1,
1848 [Define if ELF support should be included.])
1849 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1850 if test "$plugins" = "yes"; then
1851 AC_SEARCH_LIBS(dlopen, dl)
1855 # Add macho support to GDB, but only if BFD includes it.
1856 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1857 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1858 if test "$gdb_cv_var_macho" = yes; then
1859 CONFIG_OBS="$CONFIG_OBS machoread.o"
1862 # Add any host-specific objects to GDB.
1863 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1865 # If building on ELF, look for lzma support for embedded compressed debug info.
1866 if test "$gdb_cv_var_elf" = yes; then
1868 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1869 [], [with_lzma=auto])
1870 AC_MSG_CHECKING([whether to use lzma])
1871 AC_MSG_RESULT([$with_lzma])
1873 if test "${with_lzma}" != no; then
1874 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1875 [lzma_index_iter iter;
1876 lzma_index_iter_init (&iter, 0);
1877 lzma_mf_is_supported (LZMA_MF_HC3);])
1878 if test "$HAVE_LIBLZMA" != yes; then
1879 if test "$with_lzma" = yes; then
1880 AC_MSG_ERROR([missing liblzma for --with-lzma])
1886 LIBGUI="../libgui/src/libgui.a"
1887 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1889 AC_SUBST(GUI_CFLAGS_X)
1893 AC_SUBST(WIN32LDAPP)
1896 *-*-cygwin* | *-*-mingw* )
1905 if test "${enable_gdbtk}" = "yes"; then
1907 # Gdbtk must have an absolute path to srcdir in order to run
1908 # properly when not installed.
1916 # If $no_tk is nonempty, then we can't do Tk, and there is no
1917 # point to doing Tcl.
1920 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1923 # Check for in-tree tcl
1930 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1934 # Find Tcl private headers
1935 if test x"${intree}" = xno; then
1936 CY_AC_TCL_PRIVATE_HEADERS
1937 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1938 TCL_LIBRARY="${TCL_LIB_SPEC}"
1941 # If building tcl in the same src tree, private headers
1942 # are not needed, but we need to be sure to use the right
1944 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1945 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1946 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1948 AC_SUBST(TCL_INCLUDE)
1949 AC_SUBST(TCL_LIBRARY)
1954 # Check for in-tree Tk
1956 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1960 # Find Tk private headers
1961 if test x"${intree}" = xno; then
1962 CY_AC_TK_PRIVATE_HEADERS
1963 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1964 TK_LIBRARY=${TK_LIB_SPEC}
1967 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1968 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1969 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1971 AC_SUBST(TK_INCLUDE)
1972 AC_SUBST(TK_LIBRARY)
1974 AC_SUBST(TK_XINCLUDES)
1976 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1978 # Include some libraries that Tcl and Tk want.
1979 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1980 # Yes, the ordering seems wrong here. But it isn't.
1981 # TK_LIBS is the list of libraries that need to be linked
1982 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1983 # were in LIBS then any link tests after this point would
1984 # try to include things like `$(LIBGUI)', which wouldn't work.
1985 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1987 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1988 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1989 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1990 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1991 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1992 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1993 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1995 if test x"$gdb_cv_os_cygwin" = xyes; then
1996 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1997 WIN32LDAPP="-Wl,--subsystem,console"
1998 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2001 AC_CONFIG_SUBDIRS(gdbtk)
2009 AC_SUBST(GDBTK_CFLAGS)
2010 AC_SUBST(GDBTK_SRC_DIR)
2014 # Unlike the sim directory, whether a simulator is linked is controlled by
2015 # presence of a gdb_sim definition in the target configure.tgt entry.
2016 # This code just checks for a few cases where we'd like to ignore those
2017 # definitions, even when they're present in the '.mt' file. These cases
2018 # are when --disable-sim is specified, or if the simulator directory is
2019 # not part of the source tree.
2022 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2023 [echo "enable_sim = $enable_sim";
2024 echo "enableval = ${enableval}";
2025 case "${enableval}" in
2026 yes) ignore_sim=false ;;
2027 no) ignore_sim=true ;;
2028 *) ignore_sim=false ;;
2032 if test ! -d "${srcdir}/../sim"; then
2038 if test "${ignore_sim}" = "false"; then
2039 if test x"${gdb_sim}" != x ; then
2041 SIM_OBS="remote-sim.o"
2042 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2044 # Some tdep code should only be compiled in when the ppc sim is
2045 # built. PR sim/13418.
2048 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2056 AC_SUBST(ENABLE_CFLAGS)
2057 AC_SUBST(PROFILE_CFLAGS)
2059 AC_SUBST(CONFIG_OBS)
2060 AC_SUBST(CONFIG_DEPS)
2061 AC_SUBST(CONFIG_SRCS)
2062 AC_SUBST(CONFIG_ALL)
2063 AC_SUBST(CONFIG_CLEAN)
2064 AC_SUBST(CONFIG_INSTALL)
2065 AC_SUBST(CONFIG_UNINSTALL)
2067 # List of host floatformats.
2068 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2069 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2070 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2072 # target_subdir is used by the testsuite to find the target libraries.
2074 if test "${host}" != "${target}"; then
2075 target_subdir="${target_alias}/"
2077 AC_SUBST(target_subdir)
2079 # Import nat definitions.
2080 nat_makefile_frag=/dev/null
2081 if test "${gdb_native}" = "yes"; then
2082 . ${srcdir}/configure.nat
2083 nativefile=$NAT_FILE
2087 AC_SUBST(NATDEPFILES)
2092 AC_SUBST(NAT_GENERATED_FILES)
2093 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2094 AC_SUBST_FILE(nat_makefile_frag)
2096 if test x"${gdb_osabi}" != x ; then
2097 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2098 [Define to the default OS ABI for this configuration.])
2101 AC_ARG_ENABLE(gdbserver,
2102 AS_HELP_STRING([--enable-gdbserver],
2103 [automatically build gdbserver (yes/no/auto, default is auto)]),
2104 [case "${enableval}" in
2106 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2107 esac],[enable_gdbserver=auto])
2109 # We only build gdbserver automatically in a native configuration, and
2110 # only if the user did not explicitly disable its build.
2111 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2112 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2113 if test "x$build_gdbserver" = xyes; then
2115 AC_CONFIG_SUBDIRS(gdbserver)
2116 gdbserver_build_enabled=yes
2122 # If the user explicitly request the gdbserver to be built, verify that
2123 # we were in fact able to enable it.
2124 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2125 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2128 # Check for babeltrace and babeltrace-ctf
2129 AC_ARG_WITH(babeltrace,
2130 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2131 [], [with_babeltrace=auto])
2132 AC_MSG_CHECKING([whether to use babeltrace])
2133 AC_MSG_RESULT([$with_babeltrace])
2135 if test "x$with_babeltrace" = "xno"; then
2136 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2138 # Append -Werror to CFLAGS so that configure can catch the warning
2139 # "assignment from incompatible pointer type", which is related to
2140 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2141 # in GDB, while babeltrace 1.0.3 is broken.
2142 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2143 # safe to save and restore CFLAGS here.
2144 saved_CFLAGS=$CFLAGS
2145 CFLAGS="$CFLAGS -Werror"
2146 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2147 [#include <babeltrace/babeltrace.h>
2148 #include <babeltrace/ctf/events.h>
2149 #include <babeltrace/ctf/iterator.h>],
2150 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2151 struct bt_ctf_event *event = NULL;
2152 const struct bt_definition *scope;
2154 pos->type = BT_SEEK_BEGIN;
2155 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2156 scope = bt_ctf_get_top_level_scope (event,
2157 BT_STREAM_EVENT_HEADER);
2158 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2160 CFLAGS=$saved_CFLAGS
2162 if test "$HAVE_LIBBABELTRACE" != yes; then
2163 if test "$with_babeltrace" = yes; then
2164 AC_MSG_ERROR([babeltrace is missing or unusable])
2166 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2173 AC_HELP_STRING([--with-xxhash], [use libxxhash for hashing (faster) (auto/yes/no)]),
2174 [], [with_xxhash=auto])
2176 if test "x$with_xxhash" != "xno"; then
2177 AC_LIB_HAVE_LINKFLAGS([xxhash], [],
2178 [#include <xxhash.h>],
2179 [XXH32("foo", 3, 0);
2181 if test "$HAVE_LIBXXHASH" != yes; then
2182 if test "$with_xxhash" = yes; then
2183 AC_MSG_ERROR([xxhash is missing or unusable])
2186 if test "x$with_xxhash" = "xauto"; then
2187 with_xxhash="$HAVE_LIBXXHASH"
2191 AC_MSG_CHECKING([whether to use xxhash])
2192 AC_MSG_RESULT([$with_xxhash])
2196 if test "${nativefile}" != ""; then
2197 case "${nativefile}" in
2198 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2199 * ) GDB_NM_FILE="${nativefile}"
2201 AC_CONFIG_LINKS([nm.h:$GDB_NM_FILE], [echo > stamp-nmh],
2202 [GDB_NM_FILE=$GDB_NM_FILE])
2203 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2206 AC_SUBST(GDB_NM_FILE)
2209 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2210 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2211 if test "x$USE_MAINTAINER_MODE" = xyes; then
2212 if test "${XSLTPROC}" = missing; then
2213 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2218 dnl Check for exe extension set on certain hosts (e.g. Win32)
2221 dnl Detect the character set used by this host.
2222 dnl At the moment, we just assume it's UTF-8.
2223 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2224 [Define to be a string naming the default host character set.])
2227 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS) gdbsupport/selftest.o selftest-arch.o"
2228 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS) gdbsupport/selftest.c selftest-arch.c"
2231 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2232 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2233 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2234 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile])