1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2018 Free Software Foundation, Inc.
4 dnl This file is part of GDB.
6 dnl This program is free software; you can redistribute it and/or modify
7 dnl it under the terms of the GNU General Public License as published by
8 dnl the Free Software Foundation; either version 3 of the License, or
9 dnl (at your option) any later version.
11 dnl This program is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 dnl GNU General Public License for more details.
16 dnl You should have received a copy of the GNU General Public License
17 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
19 dnl Process this file with autoconf to produce a configure script.
22 AC_CONFIG_HEADER(config.h:config.in)
25 # Set the 'development' global.
26 . $srcdir/../bfd/development.sh
31 AC_USE_SYSTEM_EXTENSIONS
40 # We require a C++11 compiler. Check if one is available, and if
41 # necessary, set CXX_DIALECT to some -std=xxx switch.
42 AX_CXX_COMPILE_STDCXX(11, , mandatory)
44 # Dependency checking.
46 ZW_PROG_COMPILER_DEPENDENCIES([CC])
48 gnulib_extra_configure_args=
49 # If large-file support is disabled, make sure gnulib does the same.
50 if test "$enable_largefile" = no; then
51 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
54 # Configure gnulib. We need to build gnulib under some other
55 # directory not "gnulib", to avoid the problem of both GDB and
56 # GDBserver wanting to build it in the same directory, when building
58 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
59 ["$gnulib_extra_configure_args"])
61 dnl List of object files and targets accumulated by configure.
73 dnl Set up for gettext.
74 ZW_GNU_GETTEXT_SISTER_DIR
76 localedir='${datadir}/locale'
79 if test x"$USE_NLS" = xyes; then
80 CONFIG_ALL="$CONFIG_ALL all-po"
81 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
82 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
83 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
86 GNULIB=build-gnulib/import
88 # For Makefile dependencies.
90 if test x"$STDINT_H" != x; then
91 GNULIB_STDINT_H=$GNULIB/$STDINT_H
93 AC_SUBST(GNULIB_STDINT_H)
96 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
99 # We never need to detect it in this sub-configure.
100 # But preserve it for config.status --recheck.
102 [Parent configure detects if it is of sufficient version.])
103 AC_ARG_VAR(MAKEINFOFLAGS,
104 [Parameters for MAKEINFO.])
106 MAKEINFO_EXTRA_FLAGS=""
107 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
108 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
109 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
110 gdb_cv_have_makeinfo_click=yes
112 gdb_cv_have_makeinfo_click=no
114 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
115 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
117 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
119 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
120 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
123 # We can't pass paths as command line arguments.
124 # Mingw32 tries to be clever and will convert the paths for us.
125 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
126 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
127 # This breaks GDB's relocatable path conversions since paths passed in
128 # config.h would not get so translated, the path prefixes no longer match.
129 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
131 # GDB's datadir relocation
133 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
134 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
137 AC_ARG_WITH(relocated-sources,
138 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
139 [reloc_srcdir="${withval}"
140 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
141 [Relocated directory for source files. ])
144 AC_MSG_CHECKING([for default auto-load directory])
145 AC_ARG_WITH(auto-load-dir,
146 AS_HELP_STRING([--with-auto-load-dir=PATH],
147 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
148 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
149 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
150 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
151 [Directories from which to load auto-loaded scripts.])
152 AC_MSG_RESULT([$with_auto_load_dir])
154 AC_MSG_CHECKING([for default auto-load safe-path])
155 AC_ARG_WITH(auto-load-safe-path,
156 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
157 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
158 AS_HELP_STRING([--without-auto-load-safe-path],
159 [do not restrict auto-loaded files locations]),
160 [if test "$with_auto_load_safe_path" = "no"; then
161 with_auto_load_safe_path="/"
163 [with_auto_load_safe_path="$with_auto_load_dir"])
164 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
165 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
166 [Directories safe to hold auto-loaded files.])
167 AC_MSG_RESULT([$with_auto_load_safe_path])
169 AC_CONFIG_SUBDIRS(testsuite)
171 # Check whether to support alternative target configurations
172 AC_ARG_ENABLE(targets,
173 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
174 [case "${enableval}" in
175 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
177 no) enable_targets= ;;
178 *) enable_targets=$enableval ;;
181 # Check whether to enable 64-bit support on 32-bit hosts
182 AC_ARG_ENABLE(64-bit-bfd,
183 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
184 [case "${enableval}" in
187 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
188 esac],[want64=false])dnl
190 # Provide defaults for some variables set by the per-host and per-target
192 gdb_host_obs=posix-hdep.o
194 if test "${target}" = "${host}"; then
200 . $srcdir/configure.host
202 # Add in the common host objects.
203 . $srcdir/common/common.host
204 gdb_host_obs="$gdb_host_obs $common_host_obs"
206 # Accumulate some settings from configure.tgt over all enabled targets
210 HAVE_NATIVE_GCORE_TARGET=
212 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
214 if test "$targ_alias" = "all"; then
217 # Canonicalize the secondary target names.
218 result=`$ac_config_sub $targ_alias 2>/dev/null`
219 if test -n "$result"; then
225 . ${srcdir}/configure.tgt
227 AS_IF([test -z "${gdb_target_obs}"],
228 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
230 # Target-specific object files
231 for i in ${gdb_target_obs}; do
232 case " $TARGET_OBS " in
235 TARGET_OBS="$TARGET_OBS ${i}"
240 # Check whether this target needs 64-bit CORE_ADDR
241 if test x${want64} = xfalse; then
242 . ${srcdir}/../bfd/config.bfd
245 # Check whether this target is native and supports gcore.
246 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
247 && $gdb_have_gcore; then
248 HAVE_NATIVE_GCORE_TARGET=1
253 if test x${all_targets} = xtrue; then
255 # We want all 64-bit targets if we either:
256 # - run on a 64-bit host or
257 # - already require 64-bit support for some other target or
258 # - the --enable-64-bit-bfd option was supplied
259 # Otherwise we only support all 32-bit targets.
261 # NOTE: This test must be in sync with the corresponding
264 if test x${want64} = xfalse; then
265 AC_CHECK_SIZEOF(long)
266 if test "x${ac_cv_sizeof_long}" = "x8"; then
270 if test x${want64} = xtrue; then
271 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
273 TARGET_OBS='$(ALL_TARGET_OBS)'
278 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
280 # For other settings, only the main target counts.
284 targ=$target; . ${srcdir}/configure.tgt
286 # Fetch the default architecture and default target vector from BFD.
287 targ=$target; . $srcdir/../bfd/config.bfd
289 # We only want the first architecture, so strip off the others if
290 # there is more than one.
291 targ_archs=`echo $targ_archs | sed 's/ .*//'`
293 if test "x$targ_archs" != x; then
294 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
295 [Define to BFD's default architecture. ])
297 if test "x$targ_defvec" != x; then
298 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
299 [Define to BFD's default target vector. ])
304 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
309 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
312 if test x"$enable_gdbmi" = xyes; then
313 if test -d $srcdir/mi; then
314 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
315 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
316 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
317 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
323 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
328 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
329 esac],enable_tui=auto)
333 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
338 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
340 [if test -d $srcdir/gdbtk; then
345 # We unconditionally disable gdbtk tests on selected platforms.
348 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
352 # Libunwind support for ia64.
354 AC_ARG_WITH(libunwind-ia64,
355 AS_HELP_STRING([--with-libunwind-ia64],
356 [use libunwind frame unwinding for ia64 targets]),,
357 [with_libunwind_ia64=auto])
359 # Backward compatibility option.
360 if test "${with_libunwind+set}" = set; then
361 if test x"$with_libunwind_ia64" != xauto; then
363 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
365 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
366 with_libunwind_ia64="$with_libunwind"
369 case "$with_libunwind_ia64" in
373 AC_CHECK_HEADERS(libunwind-ia64.h)
374 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
378 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
382 if test x"$with_libunwind_ia64" = xyes; then
383 AC_CHECK_HEADERS(libunwind-ia64.h)
384 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
385 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
387 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
388 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
389 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
393 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
396 if test "$opt_curses" = "yes"; then
401 AC_ARG_ENABLE(profiling,
402 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
407 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
409 [enable_profiling=no])
411 AC_CHECK_FUNCS(monstartup _mcleanup)
412 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
417 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
418 if test $ac_cv_var__etext = yes; then
419 AC_DEFINE(HAVE__ETEXT, 1,
420 [Define to 1 if your system has the _etext variable. ])
422 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
427 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
428 if test $ac_cv_var_etext = yes; then
429 AC_DEFINE(HAVE_ETEXT, 1,
430 [Define to 1 if your system has the etext variable. ])
432 if test "$enable_profiling" = yes ; then
433 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
434 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
438 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
440 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
441 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
442 ac_cv_cc_supports_pg=no)])
444 if test $ac_cv_cc_supports_pg = no; then
445 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
452 AC_ARG_ENABLE([codesign],
453 AS_HELP_STRING([--enable-codesign=CERT],
454 [sign gdb with 'codesign -s CERT']),
455 [CODESIGN_CERT=$enableval])
456 AC_SUBST([CODESIGN_CERT])
458 ACX_PKGVERSION([GDB])
459 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
460 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
461 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
463 # --------------------- #
464 # Checks for programs. #
465 # --------------------- #
473 AC_CHECK_TOOL(AR, ar)
474 AC_CHECK_TOOL(DLLTOOL, dlltool)
475 AC_CHECK_TOOL(WINDRES, windres)
479 # Needed for GNU Hurd hosts.
480 AC_CHECK_TOOL(MIG, mig)
481 if test x"$MIG" = x; then
482 AC_MSG_ERROR([MIG not found but required for $host hosts])
487 # ---------------------- #
488 # Checks for libraries. #
489 # ---------------------- #
491 # We might need to link with -lm; most simulators need it.
492 AC_CHECK_LIB(m, main)
494 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
495 AC_SEARCH_LIBS(gethostbyname, nsl)
497 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
498 AC_SEARCH_LIBS(socketpair, socket)
500 # Link in zlib if we can. This allows us to read compressed debug sections.
503 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
504 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
505 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
506 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
507 [Define to 1 if your system has the kinfo_getvmmap function. ])])
509 # fbsd-nat.c can also use kinfo_getfile.
510 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd,
511 [AC_DEFINE(HAVE_KINFO_GETFILE, 1,
512 [Define to 1 if your system has the kinfo_getfile function. ])])
516 # GDB may fork/exec the iconv program to get the list of supported character
517 # sets. Allow the user to specify where to find it.
518 # There are several factors affecting the choice of option name:
519 # - There is already --with-libiconv-prefix but we can't use it, it specifies
520 # the build-time location of libiconv files.
521 # - The program we need to find is iconv, which comes with glibc. The user
522 # doesn't necessarily have libiconv installed. Therefore naming this
523 # --with-libiconv-foo feels wrong.
524 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
525 # defined to work on directories not files (though it really doesn't know
527 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
528 # with --with-libiconv-prefix.
529 # Putting these together is why the option name is --with-iconv-bin.
531 AC_ARG_WITH(iconv-bin,
532 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
533 [iconv_bin="${withval}"
534 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
535 [Path of directory of iconv program.])
536 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
539 # For the TUI, we need enhanced curses functionality.
540 if test x"$enable_tui" != xno; then
545 if test x"$prefer_curses" = xyes; then
546 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
547 # curses library because the latter might not provide all the
548 # functionality we need. However, this leads to problems on systems
549 # where the linker searches /usr/local/lib, but the compiler doesn't
550 # search /usr/local/include, if ncurses is installed in /usr/local. A
551 # default installation of ncurses on alpha*-dec-osf* will lead to such
553 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
555 if test "$ac_cv_search_waddstr" != no; then
560 # Check whether we should enable the TUI, but only do so if we really
562 if test x"$enable_tui" != xno; then
563 if test -d $srcdir/tui; then
564 if test "$curses_found" != no; then
565 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
566 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
567 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
568 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
570 if test x"$enable_tui" = xyes; then
571 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
573 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
579 # Since GDB uses Readline, we need termcap functionality. In many
580 # cases this will be provided by the curses library, but some systems
581 # have a separate termcap library, or no curses library at all.
585 if test -d $srcdir/libtermcap; then
586 LIBS="../libtermcap/libtermcap.a $LIBS"
587 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
590 ac_cv_search_tgetent="none required"
594 # These are the libraries checked by Readline.
595 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncursesw ncurses])
597 if test "$ac_cv_search_tgetent" = no; then
598 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
601 AC_ARG_WITH([system-readline],
602 [AS_HELP_STRING([--with-system-readline],
603 [use installed readline library])])
605 if test "$with_system_readline" = yes; then
609 READLINE_TEXI_INCFLAG=
611 READLINE='$(READLINE_DIR)/libreadline.a'
612 READLINE_DEPS='$(READLINE)'
613 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
614 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
617 AC_SUBST(READLINE_DEPS)
618 AC_SUBST(READLINE_CFLAGS)
619 AC_SUBST(READLINE_TEXI_INCFLAG)
621 # Generate jit-reader.h
623 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
626 AC_CHECK_SIZEOF(unsigned long long)
627 AC_CHECK_SIZEOF(unsigned long)
628 AC_CHECK_SIZEOF(unsigned __int128)
630 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
631 TARGET_PTR="unsigned long"
632 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
633 TARGET_PTR="unsigned long long"
634 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
635 TARGET_PTR="unsigned __int128"
637 TARGET_PTR="unsigned long"
641 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
643 AC_SEARCH_LIBS(dlopen, dl)
645 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
646 [directory to load the JIT readers from],
650 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
651 [], [with_expat=auto])
652 AC_MSG_CHECKING([whether to use expat])
653 AC_MSG_RESULT([$with_expat])
655 if test "${with_expat}" = no; then
656 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
659 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
660 [XML_Parser p = XML_ParserCreate (0);])
661 if test "$HAVE_LIBEXPAT" != yes; then
662 if test "$with_expat" = yes; then
663 AC_MSG_ERROR([expat is missing or unusable])
665 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
669 LIBS="$LIBS $LIBEXPAT"
670 AC_CHECK_FUNCS(XML_StopParser)
676 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
677 [], [with_mpfr=auto])
678 AC_MSG_CHECKING([whether to use MPFR])
679 AC_MSG_RESULT([$with_mpfr])
681 if test "${with_mpfr}" = no; then
682 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
685 AC_LIB_HAVE_LINKFLAGS([mpfr], [], [#include <mpfr.h>],
686 [mpfr_exp_t exp; mpfr_t x;
687 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
688 if test "$HAVE_LIBMPFR" != yes; then
689 if test "$with_mpfr" = yes; then
690 AC_MSG_ERROR([MPFR is missing or unusable])
692 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
697 # --------------------- #
698 # Check for libpython. #
699 # --------------------- #
701 dnl Utility to simplify finding libpython.
703 dnl $2 = the shell variable to assign the result to
704 dnl If libpython is found we store $version here.
705 dnl $3 = additional flags to add to CPPFLAGS
706 dnl $4 = additional flags to add to LIBS
708 AC_DEFUN([AC_TRY_LIBPYTHON],
711 define([have_libpython_var],$2)
714 AC_MSG_CHECKING([for ${version}])
715 save_CPPFLAGS=$CPPFLAGS
717 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
718 LIBS="$new_LIBS $LIBS"
719 found_usable_python=no
720 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
721 [[Py_Initialize ();]])],
722 [have_libpython_var=${version}
723 found_usable_python=yes
724 PYTHON_CPPFLAGS=$new_CPPFLAGS
725 PYTHON_LIBS=$new_LIBS])
726 CPPFLAGS=$save_CPPFLAGS
728 AC_MSG_RESULT([${found_usable_python}])
731 dnl There are several different values for --with-python:
733 dnl no - Don't include python support.
734 dnl yes - Include python support, error if it's missing.
735 dnl If we find python in $PATH, use it to fetch configure options,
736 dnl otherwise assume the compiler can find it with no help from us.
737 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
738 dnl auto - Same as "yes", but if python is missing from the system,
739 dnl fall back to "no".
740 dnl /path/to/python/exec-prefix -
741 dnl Use the python located in this directory.
742 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
743 dnl the compilation parameters. Otherwise use
744 dnl -I/path/to/python/exec-prefix/include,
745 dnl -L/path/to/python/exec-prefix/lib.
746 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
747 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
748 dnl but is deprecated.
749 dnl /path/to/python/executable -
750 dnl Run python-config.py with this version of python to fetch the
751 dnl compilation parameters.
752 dnl NOTE: This needn't be the real python executable.
753 dnl In a cross-compilation scenario (build != host), this could be
754 dnl a shell script that provides what python-config.py provides for
755 dnl --ldflags, --includes, --exec-prefix.
756 dnl python-executable -
757 dnl Find python-executable in $PATH, and then handle the same as
758 dnl /path/to/python/executable.
760 dnl If a python program is specified, it is used to run python-config.py and
761 dnl is passed --ldflags, --includes, --exec-prefix.
764 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
765 [], [with_python=auto])
766 AC_MSG_CHECKING([whether to use python])
767 AC_MSG_RESULT([$with_python])
769 if test "${with_python}" = no; then
770 AC_MSG_WARN([python support disabled; some features may be unavailable.])
773 case "${with_python}" in
774 [[\\/]]* | ?:[[\\/]]*)
775 if test -d ${with_python}; then
776 # Assume the python binary is ${with_python}/bin/python.
777 python_prog="${with_python}/bin/python"
779 # If python does not exit ${with_python}/bin, then try in
780 # ${with_python}. On Windows/MinGW, this is where the Python
782 if test ! -x "${python_prog}"; then
783 python_prog="${with_python}/python"
786 if test ! -x "${python_prog}"; then
787 # Fall back to gdb 7.0/7.1 behaviour.
789 python_prefix=${with_python}
791 elif test -x "${with_python}"; then
792 # While we can't run python compiled for $host (unless host == build),
793 # the user could write a script that provides the needed information,
794 # so we support that.
795 python_prog=${with_python}
798 AC_ERROR(invalid value for --with-python)
802 # Disallow --with-python=foo/bar.
803 AC_ERROR(invalid value for --with-python)
806 # The user has either specified auto, yes, or the name of the python
807 # program assumed to be in $PATH.
809 case "${with_python}" in
811 if test ${build} = ${host}; then
812 AC_PATH_PROG(python_prog_path, python, missing)
813 if test "${python_prog_path}" = missing; then
816 python_prog=${python_prog_path}
819 # Not much we can do except assume the cross-compiler will find the
825 # While we can't run python compiled for $host (unless host == build),
826 # the user could write a script that provides the needed information,
827 # so we support that.
828 python_prog="${with_python}"
829 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
830 if test "${python_prog_path}" = missing; then
831 AC_ERROR(unable to find python program ${python_prog})
837 if test "${python_prog}" != missing; then
838 # We have a python program to use, but it may be too old.
839 # Don't flag an error for --with-python=auto (the default).
840 have_python_config=yes
841 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
842 if test $? != 0; then
843 have_python_config=failed
844 if test "${with_python}" != auto; then
845 AC_ERROR(failure running python-config --includes)
848 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
849 if test $? != 0; then
850 have_python_config=failed
851 if test "${with_python}" != auto; then
852 AC_ERROR(failure running python-config --ldflags)
855 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
856 if test $? != 0; then
857 have_python_config=failed
858 if test "${with_python}" != auto; then
859 AC_ERROR(failure running python-config --exec-prefix)
863 # We do not have a python executable we can use to determine where
864 # to find the Python headers and libs. We cannot guess the include
865 # path from the python_prefix either, because that include path
866 # depends on the Python version. So, there is nothing much we can
867 # do except assume that the compiler will be able to find those files.
870 have_python_config=no
873 # If we have python-config, only try the configuration it provides.
874 # Otherwise fallback on the old way of trying different versions of
878 if test "${have_python_config}" = yes; then
879 # Determine the Python version by extracting "-lpython<version>"
880 # part of the python_libs. <version> is usually X.Y with X and Y
881 # being decimal numbers, but can also be XY (seen on Windows).
883 # The extraction is performed using sed with a regular expression.
884 # Initially, the regexp used was using the '?' quantifier to make
885 # the dot in the version number optional. Unfortunately, this
886 # does not work with non-GNU versions of sed because, because of
887 # what looks like a limitation (the '?' quantifier does not work
888 # with back-references). We work around this limitation by using
889 # the '*' quantifier instead. It means that, in theory, we might
890 # match unexpected version strings such as "-lpython2..7", but
891 # this seems unlikely in practice. And even if that happens,
892 # an error will be triggered later on, when checking that version
894 python_version=`echo " ${python_libs} " \
895 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
896 case "${python_version}" in
898 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
899 ${python_includes}, ${python_libs})
902 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
905 elif test "${have_python_config}" != failed; then
906 if test "${have_libpython}" = no; then
907 AC_TRY_LIBPYTHON(python2.7, have_libpython,
908 ${python_includes}, "-lpython2.7 ${python_libs}")
910 if test "${have_libpython}" = no; then
911 AC_TRY_LIBPYTHON(python2.6, have_libpython,
912 ${python_includes}, "-lpython2.6 ${python_libs}")
914 if test ${have_libpython} = no; then
915 AC_TRY_LIBPYTHON(python2.5, have_libpython,
916 ${python_includes}, "-lpython2.5 ${python_libs}")
918 if test ${have_libpython} = no; then
919 AC_TRY_LIBPYTHON(python2.4, have_libpython,
920 ${python_includes}, "-lpython2.4 ${python_libs}")
923 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
924 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
925 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
926 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
927 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
928 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
929 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
930 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
933 if test "${have_libpython}" = no; then
934 case "${with_python}" in
936 AC_MSG_ERROR([python is missing or unusable])
939 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
942 AC_MSG_ERROR([no usable python found at ${with_python}])
946 if test -n "${python_prefix}"; then
947 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
948 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
949 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
954 if test "${have_libpython}" != no; then
955 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
956 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
957 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
958 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
959 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
960 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
962 # Flags needed to compile Python code (taken from python-config --cflags).
963 # We cannot call python-config directly because it will output whatever was
964 # used when compiling the Python interpreter itself, including flags which
965 # would make the python-related objects be compiled differently from the
966 # rest of GDB (e.g., -O2 and -fPIC).
967 if test "${GCC}" = yes; then
968 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
971 if test "x${tentative_python_cflags}" != x; then
972 AC_MSG_CHECKING(compiler flags for python code)
973 for flag in ${tentative_python_cflags}; do
974 # Check that the compiler accepts it
975 saved_CFLAGS="$CFLAGS"
976 CFLAGS="$CFLAGS $flag"
977 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
978 CFLAGS="$saved_CFLAGS"
980 AC_MSG_RESULT(${PYTHON_CFLAGS})
983 # On x64 Windows, Python's include headers, and pyconfig.h in
984 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
985 # version of Windows. Unfortunately, MS_WIN64 is only defined if
986 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
987 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
988 # The issue was reported to the Python community, but still isn't
989 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
993 if test "${GCC}" = yes; then
994 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
999 # Note that "python -m threading" cannot be used to check for
1000 # threading support due to a bug in Python 2.7.3
1001 # (http://bugs.python.org/issue15567).
1002 AC_MSG_CHECKING(whether python supports threads)
1003 saved_CPPFLAGS="${CPPFLAGS}"
1004 CPPFLAGS="${PYTHON_CPPFLAGS}"
1005 # Note that the test is reversed so that python_has_threads=yes on
1006 # unexpected failures.
1007 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1012 ]])], [python_has_threads=no], [python_has_threads=yes])
1013 AC_MSG_RESULT(${python_has_threads})
1014 CPPFLAGS="${saved_CPPFLAGS}"
1016 # Even if Python support is not compiled in, we need to have this file
1017 # included so that the "python" command, et.al., still exists.
1018 CONFIG_OBS="$CONFIG_OBS python/python.o"
1019 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1022 # Work around Python http://bugs.python.org/issue10112. See also
1023 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1024 # no effect. Note that the only test after this that uses Python is
1025 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1026 # run without -export-dynamic too.
1027 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1029 AC_SUBST(PYTHON_CFLAGS)
1030 AC_SUBST(PYTHON_CPPFLAGS)
1031 AC_SUBST(PYTHON_LIBS)
1032 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1034 # -------------------- #
1035 # Check for libguile. #
1036 # -------------------- #
1038 dnl Utility to simplify finding libguile.
1039 dnl $1 = pkg-config-program
1040 dnl $2 = space-separate list of guile versions to try
1041 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1042 dnl $4 = the shell variable to assign the result to
1043 dnl If libguile is found we store "yes" here.
1045 AC_DEFUN([AC_TRY_LIBGUILE],
1048 guile_version_list=$2
1050 define([have_libguile_var],$4)
1051 found_usable_guile=checking
1052 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1053 for guile_version in ${guile_version_list}; do
1054 ${pkg_config} --exists ${guile_version} 2>/dev/null
1055 if test $? != 0; then
1058 dnl pkg-config says the package exists, so if we get an error now,
1060 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1061 if test $? != 0; then
1062 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1064 new_LIBS=`${pkg_config} --libs ${guile_version}`
1065 if test $? != 0; then
1066 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1068 dnl If we get this far, great.
1069 found_usable_guile=${guile_version}
1072 if test "${found_usable_guile}" = "checking"; then
1073 if test "${flag_errors}" = "yes"; then
1074 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1076 found_usable_guile=no
1079 dnl One final sanity check.
1080 dnl The user could have said --with-guile=python-2.7.
1081 if test "${found_usable_guile}" != no; then
1082 save_CPPFLAGS=$CPPFLAGS
1084 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1085 LIBS="$LIBS $new_LIBS"
1086 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1087 [[scm_init_guile ();]])],
1088 [have_libguile_var=yes
1089 GUILE_CPPFLAGS=$new_CPPFLAGS
1090 GUILE_LIBS=$new_LIBS],
1091 [found_usable_guile=no])
1092 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1093 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1094 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1095 [Define if Guile supports manual finalization.])
1097 CPPFLAGS=$save_CPPFLAGS
1099 if test "${found_usable_guile}" = no; then
1100 if test "${flag_errors}" = yes; then
1101 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1105 AC_MSG_RESULT([${found_usable_guile}])
1108 dnl There are several different values for --with-guile:
1110 dnl no - Don't include guile support.
1111 dnl yes - Include guile support, error if it's missing.
1112 dnl The pkg-config program must be in $PATH.
1113 dnl auto - Same as "yes", but if guile is missing from the system,
1114 dnl fall back to "no".
1115 dnl guile-version [guile-version-choice-2 ...] -
1116 dnl A space-separated list of guile package versions to try.
1117 dnl These are passed to pkg-config as-is.
1118 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1119 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1120 dnl /path/to/pkg-config -
1121 dnl Use this pkg-config program.
1122 dnl NOTE: This needn't be the "real" pkg-config program.
1123 dnl It could be a shell script. It is invoked as:
1124 dnl pkg-config --exists $version
1125 dnl pkg-config --cflags $version
1126 dnl pkg-config --libs $version
1127 dnl pkg-config --variable guild $version
1128 dnl The script will be called with $version having each value in
1129 dnl $try_guile_versions until --exists indicates success.
1132 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1133 [], [with_guile=auto])
1134 AC_MSG_CHECKING([whether to use guile])
1135 AC_MSG_RESULT([$with_guile])
1137 dnl We check guile with pkg-config.
1138 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1140 try_guile_versions="guile-2.0"
1142 case "${with_guile}" in
1144 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1147 if test "${pkg_config_prog_path}" = "missing"; then
1148 AC_MSG_WARN([pkg-config not found, guile support disabled])
1150 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1154 if test "${pkg_config_prog_path}" = "missing"; then
1155 AC_MSG_ERROR([pkg-config not found])
1157 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1159 [[\\/]]* | ?:[[\\/]]*)
1160 if test -x "${with_guile}"; then
1161 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1163 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1167 # Disallow --with=guile="" and --with-guile=foo/bar.
1168 AC_MSG_ERROR([invalid value for --with-guile])
1171 # A space separate list of guile versions to try, in order.
1172 if test "${pkg_config_prog_path}" = "missing"; then
1173 AC_MSG_ERROR([pkg-config not found])
1175 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1179 if test "${have_libguile}" != no; then
1180 dnl Get the name of the 'guild' program.
1181 case "${with_guile}" in
1182 [[\\/]]* | ?:[[\\/]]*)
1183 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1186 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1190 dnl Make sure guild can handle this host.
1191 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1192 dnl If not, disable guile support.
1193 if test "$ac_cv_guild_ok" = no; then
1195 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1199 if test "${have_libguile}" != no; then
1200 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1201 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1202 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1203 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1204 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1205 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1207 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1209 save_CPPFLAGS="$CPPFLAGS"
1211 CPPFLAGS="$GUILE_CPPFLAGS"
1212 AC_CHECK_FUNCS([scm_new_smob])
1214 CPPFLAGS="$save_CPPFLAGS"
1216 # Even if Guile support is not compiled in, we need to have these files
1218 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1219 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1221 AC_SUBST(GUILE_CPPFLAGS)
1222 AC_SUBST(GUILE_LIBS)
1223 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1225 # --------------------- #
1226 # Check for libmcheck. #
1227 # --------------------- #
1229 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1230 # but turn it off if Python is enabled with threads, since -lmcheck is
1231 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1233 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1234 && $development; then
1235 libmcheck_default=yes
1237 libmcheck_default=no
1239 GDB_AC_LIBMCHECK(${libmcheck_default})
1241 if test "$ENABLE_LIBMCHECK" = "yes" \
1242 -a "${have_libpython}" != "no" \
1243 -a "${python_has_threads}" = "yes" ; then
1244 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1247 AC_ARG_WITH(intel_pt,
1248 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1249 [], [with_intel_pt=auto])
1250 AC_MSG_CHECKING([whether to use intel pt])
1251 AC_MSG_RESULT([$with_intel_pt])
1253 if test "${with_intel_pt}" = no; then
1254 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1257 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1258 #include <linux/perf_event.h>
1259 #ifndef PERF_ATTR_SIZE_VER5
1262 ]])], [perf_event=yes], [perf_event=no])
1263 if test "$perf_event" != yes; then
1264 if test "$with_intel_pt" = yes; then
1265 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1267 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1271 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1272 if test "$HAVE_LIBIPT" != yes; then
1273 if test "$with_intel_pt" = yes; then
1274 AC_MSG_ERROR([libipt is missing or unusable])
1276 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1280 LIBS="$LIBS $LIBIPT"
1281 AC_CHECK_FUNCS(pt_insn_event)
1282 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1283 [#include <intel-pt.h>])
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 \
1296 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1297 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1298 sys/reg.h sys/debugreg.h sys/select.h \
1299 termios.h elf_hp.h \
1301 AC_CHECK_HEADERS(sys/user.h, [], [],
1302 [#if HAVE_SYS_PARAM_H
1303 # include <sys/param.h>
1307 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1308 AC_CHECK_HEADERS(term.h, [], [],
1310 # include <curses.h>
1314 # ------------------------- #
1315 # Checks for declarations. #
1316 # ------------------------- #
1320 AC_CHECK_DECLS([snprintf])
1323 # ----------------------- #
1324 # Checks for structures. #
1325 # ----------------------- #
1327 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1329 # ------------------ #
1330 # Checks for types. #
1331 # ------------------ #
1333 AC_CHECK_TYPES(socklen_t, [], [],
1334 [#include <sys/types.h>
1335 #include <sys/socket.h>
1338 # ------------------------------------- #
1339 # Checks for compiler characteristics. #
1340 # ------------------------------------- #
1346 # ------------------------------ #
1347 # Checks for library functions. #
1348 # ------------------------------ #
1352 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1353 pipe poll pread pread64 pwrite resize_term \
1354 sbrk getpgid setpgid setpgrp setsid \
1355 sigaction sigprocmask sigsetmask socketpair \
1356 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1357 setrlimit getrlimit posix_madvise waitpid \
1358 ptrace64 sigaltstack mkdtemp setns])
1362 # Check the return and argument types of ptrace.
1365 dnl AC_FUNC_SETPGRP does not work when cross compiling
1366 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1367 if test "$cross_compiling" = no; then
1370 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1374 if (setpgrp(1,1) == -1)
1378 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1379 if test $ac_cv_func_setpgrp_void = yes; then
1380 AC_DEFINE(SETPGRP_VOID, 1)
1384 # Assume we'll default to using the included libiberty regex.
1385 gdb_use_included_regex=yes
1387 # However, if the system regex is GNU regex, then default to *not*
1388 # using the included regex.
1391 [gdb_cv_have_gnu_regex],
1393 [#include <gnu-versions.h>],
1394 [#define REGEX_INTERFACE_VERSION 1
1395 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1396 # error "Version mismatch"
1398 gdb_cv_have_gnu_regex=yes,
1399 gdb_cv_have_gnu_regex=no)])
1400 if test $gdb_cv_have_gnu_regex = yes; then
1401 gdb_use_included_regex=no
1404 AC_ARG_WITH(included-regex,
1405 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1406 gdb_with_regex=$withval,
1407 gdb_with_regex=$gdb_use_included_regex)
1408 if test "$gdb_with_regex" = yes; then
1409 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1410 [Define to 1 if the regex included in libiberty should be used.])
1413 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1414 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1415 [#include <sys/param.h>
1416 #include <sys/proc.h>
1419 # See if <sys/lwp.h> defines `struct lwp`.
1420 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1421 [AC_TRY_COMPILE([#include <sys/param.h>
1423 #include <sys/lwp.h>], [struct lwp l;],
1424 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1425 if test $gdb_cv_struct_lwp = yes; then
1426 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1427 [Define to 1 if your system has struct lwp.])
1430 # See if <machine/reg.h> degines `struct reg'.
1431 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1432 [AC_TRY_COMPILE([#include <sys/types.h>
1433 #include <machine/reg.h>], [struct reg r;],
1434 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1435 if test $gdb_cv_struct_reg = yes; then
1436 AC_DEFINE(HAVE_STRUCT_REG, 1,
1437 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1440 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1441 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1442 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1443 [#include <sys/types.h>
1444 #include <machine/reg.h>])
1446 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1447 # Older amd64 Linux's don't have the fs_base and gs_base members of
1448 # `struct user_regs_struct'.
1449 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1450 [], [], [#include <sys/types.h>
1451 #include <sys/user.h>])
1453 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1454 AC_MSG_CHECKING(for PTRACE_GETREGS)
1455 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1456 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1458 [gdb_cv_have_ptrace_getregs=yes],
1459 [gdb_cv_have_ptrace_getregs=no])])
1460 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1461 if test $gdb_cv_have_ptrace_getregs = yes; then
1462 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1463 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1466 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1467 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1468 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1469 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1470 [PTRACE_GETFPXREGS;],
1471 [gdb_cv_have_ptrace_getfpxregs=yes],
1472 [gdb_cv_have_ptrace_getfpxregs=no])])
1473 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1474 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1475 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1476 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1479 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1480 AC_MSG_CHECKING(for PT_GETDBREGS)
1481 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1482 [AC_TRY_COMPILE([#include <sys/types.h>
1483 #include <sys/ptrace.h>],
1485 [gdb_cv_have_pt_getdbregs=yes],
1486 [gdb_cv_have_pt_getdbregs=no])])
1487 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1488 if test $gdb_cv_have_pt_getdbregs = yes; then
1489 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1490 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1493 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1494 AC_MSG_CHECKING(for PT_GETXMMREGS)
1495 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1496 [AC_TRY_COMPILE([#include <sys/types.h>
1497 #include <sys/ptrace.h>],
1499 [gdb_cv_have_pt_getxmmregs=yes],
1500 [gdb_cv_have_pt_getxmmregs=no])])
1501 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1502 if test $gdb_cv_have_pt_getxmmregs = yes; then
1503 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1504 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1507 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1508 # Older FreeBSD versions don't have the pl_tdname member of
1509 # `struct ptrace_lwpinfo'.
1510 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1511 [#include <sys/ptrace.h>])
1513 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1514 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1516 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1517 [#include <sys/ptrace.h>])
1519 if test "$ac_cv_header_sys_procfs_h" = yes; then
1520 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1521 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1522 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1523 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1524 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1525 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1526 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1528 dnl Check for broken prfpregset_t type
1530 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1531 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1532 dnl instead of the struct itself). We detect this here, and work
1533 dnl around it in gdb_proc_service.h.
1535 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1536 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1537 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1538 [AC_TRY_RUN([#include <sys/procfs.h>
1541 if (sizeof (prfpregset_t) == sizeof (void *))
1545 gdb_cv_prfpregset_t_broken=no,
1546 gdb_cv_prfpregset_t_broken=yes,
1547 gdb_cv_prfpregset_t_broken=yes)])
1548 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1549 if test $gdb_cv_prfpregset_t_broken = yes; then
1550 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1551 [Define if the prfpregset_t type is broken.])
1556 # Check if the compiler supports the `long long' type.
1558 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1559 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1560 [[extern long long foo;]],
1561 [[switch (foo & 2) { case 0: return 1; }]])],
1562 gdb_cv_c_long_long=yes,
1563 gdb_cv_c_long_long=no)])
1564 if test $gdb_cv_c_long_long != yes; then
1565 # libdecnumber requires long long.
1566 AC_MSG_ERROR([Compiler must support long long for GDB.])
1569 # Check if the compiler and runtime support printing long longs.
1571 AC_CACHE_CHECK([for long long support in printf],
1572 gdb_cv_printf_has_long_long,
1573 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1576 l = (l << 16) + 0x0123;
1577 l = (l << 16) + 0x4567;
1578 l = (l << 16) + 0x89ab;
1579 l = (l << 16) + 0xcdef;
1580 sprintf (buf, "0x%016llx", l);
1581 return (strcmp ("0x0123456789abcdef", buf));]])],
1582 gdb_cv_printf_has_long_long=yes,
1583 gdb_cv_printf_has_long_long=no,
1584 gdb_cv_printf_has_long_long=no)])
1585 if test $gdb_cv_printf_has_long_long = yes; then
1586 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1587 [Define to 1 if the "%ll" format works to print long longs.])
1590 # Check if the compiler and runtime support printing decfloats.
1592 AC_CACHE_CHECK([for decfloat support in printf],
1593 gdb_cv_printf_has_decfloat,
1594 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1596 _Decimal32 d32 = 1.2345df;
1597 _Decimal64 d64 = 1.2345dd;
1598 _Decimal128 d128 = 1.2345dl;
1599 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1600 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1601 gdb_cv_printf_has_decfloat=yes,
1602 gdb_cv_printf_has_decfloat=no,
1603 gdb_cv_printf_has_decfloat=no)])
1604 if test $gdb_cv_printf_has_decfloat = yes; then
1605 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1606 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1609 # Check if the compiler supports the `long double' type. We can't use
1610 # AC_C_LONG_DOUBLE because that one does additional checks on the
1611 # constants defined in <float.h> that fail on some systems,
1612 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1614 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1615 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1616 gdb_cv_c_long_double=yes,
1617 gdb_cv_c_long_double=no)])
1618 if test $gdb_cv_c_long_double = yes; then
1619 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1620 [Define to 1 if the compiler supports long double.])
1623 # Check if the compiler and runtime support printing long doubles.
1625 AC_CACHE_CHECK([for long double support in printf],
1626 gdb_cv_printf_has_long_double,
1627 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1629 long double f = 3.141592653;
1630 sprintf (buf, "%Lg", f);
1631 return (strncmp ("3.14159", buf, 7));]])],
1632 gdb_cv_printf_has_long_double=yes,
1633 gdb_cv_printf_has_long_double=no,
1634 gdb_cv_printf_has_long_double=no)])
1635 if test $gdb_cv_printf_has_long_double = yes; then
1636 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1637 [Define to 1 if the "%Lg" format works to print long doubles.])
1640 # Check if the compiler and runtime support scanning long doubles.
1642 AC_CACHE_CHECK([for long double support in scanf],
1643 gdb_cv_scanf_has_long_double,
1644 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1645 [[#include <stdio.h>]],
1646 [[char *buf = "3.141592653";
1648 sscanf (buf, "%Lg", &f);
1649 return !(f > 3.14159 && f < 3.14160);]])],
1650 gdb_cv_scanf_has_long_double=yes,
1651 gdb_cv_scanf_has_long_double=no,
1652 gdb_cv_scanf_has_long_double=no)])
1653 if test $gdb_cv_scanf_has_long_double = yes; then
1654 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1655 [Define to 1 if the "%Lg" format works to scan long doubles.])
1660 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1661 SAVE_LDFLAGS=$LDFLAGS
1664 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1665 *) gdb_cv_bigtoc=-bbigtoc ;;
1668 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1669 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1670 LDFLAGS="${SAVE_LDFLAGS}"
1672 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1676 AC_MSG_CHECKING(for the dynamic export flag)
1678 if test "${gdb_native}" = yes; then
1679 # The dynamically loaded libthread_db needs access to symbols in the gdb
1680 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1681 # may not be supported there.
1682 old_LDFLAGS="$LDFLAGS"
1683 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1684 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1685 LDFLAGS="$LDFLAGS $RDYNAMIC"
1686 if test "${have_libpython}" = no; then
1687 AC_TRY_LINK([], [], [dynamic_list=true])
1689 # Workaround http://bugs.python.org/issue4434 where static
1690 # libpythonX.Y.a would get its symbols required for
1691 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1692 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1694 # Note the workaround for Python
1695 # http://bugs.python.org/issue10112 earlier has removed
1696 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1697 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1699 old_CFLAGS="$CFLAGS"
1700 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1702 LIBS="$LIBS $PYTHON_LIBS"
1703 old_CPPFLAGS="$CPPFLAGS"
1704 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1707 [#include "Python.h"],
1710 err = PyRun_SimpleString ("import itertools\n");
1712 return err == 0 ? 0 : 1;])],
1713 [dynamic_list=true], [], [true])
1715 CFLAGS="$old_CFLAGS"
1716 CPPFLAGS="$old_CPPFLAGS"
1718 LDFLAGS="$old_LDFLAGS"
1720 if $dynamic_list; then
1721 found="-Wl,--dynamic-list"
1722 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1725 RDYNAMIC="-rdynamic"
1728 AC_MSG_RESULT($found)
1730 dnl For certain native configurations, we need to check whether thread
1731 dnl support can be built in or not.
1733 dnl Note that we only want this if we are both native (host == target),
1734 dnl and not doing a canadian cross build (build == host).
1736 if test ${build} = ${host} -a ${host} = ${target} ; then
1739 AC_MSG_CHECKING(for AiX thread debugging library)
1740 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1741 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1742 [#ifndef PTHDB_VERSION_3
1745 gdb_cv_have_aix_thread_debug=yes,
1746 gdb_cv_have_aix_thread_debug=no)])
1747 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1748 if test $gdb_cv_have_aix_thread_debug = yes; then
1749 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1750 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1751 LIBS="$LIBS -lpthdebug"
1753 # Older versions of AIX do not provide the declaration for
1754 # the getthrds function (it appears that it was introduced
1756 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1760 AC_SUBST(CONFIG_LDFLAGS)
1763 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1764 dnl other error codes.
1765 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1766 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1767 gdb_cv_thread_db_h_has_td_notalloc,
1769 [#include <thread_db.h>],
1770 [int i = TD_NOTALLOC;],
1771 gdb_cv_thread_db_h_has_td_notalloc=yes,
1772 gdb_cv_thread_db_h_has_td_notalloc=no
1775 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1776 gdb_cv_thread_db_h_has_td_version,
1778 [#include <thread_db.h>],
1779 [int i = TD_VERSION;],
1780 gdb_cv_thread_db_h_has_td_version=yes,
1781 gdb_cv_thread_db_h_has_td_version=no
1784 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1785 gdb_cv_thread_db_h_has_td_notls,
1787 [#include <thread_db.h>],
1788 [int i = TD_NOTLS;],
1789 gdb_cv_thread_db_h_has_td_notls=yes,
1790 gdb_cv_thread_db_h_has_td_notls=no
1794 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1795 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1796 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1798 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1799 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1800 [Define if <thread_db.h> has the TD_VERSION error code.])
1802 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1803 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1804 [Define if <thread_db.h> has the TD_NOTLS error code.])
1807 dnl Check if we can disable the virtual address space randomization.
1808 dnl The functionality of setarch -R.
1809 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1810 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1811 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1812 # define ADDR_NO_RANDOMIZE 0x0040000
1814 /* Test the flag could be set and stays set. */
1815 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1816 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1818 AC_RUN_IFELSE([PERSONALITY_TEST],
1819 [have_personality=true],
1820 [have_personality=false],
1821 [AC_LINK_IFELSE([PERSONALITY_TEST],
1822 [have_personality=true],
1823 [have_personality=false])])
1824 if $have_personality
1826 AC_DEFINE([HAVE_PERSONALITY], 1,
1827 [Define if you support the personality syscall.])
1830 dnl Set the host's .gdbinit filename.
1839 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1841 dnl Handle optional features that can be enabled.
1843 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1844 # except that the argument to --with-sysroot is optional.
1845 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1846 if test "x$with_sysroot" = xyes; then
1847 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1849 AC_ARG_WITH(sysroot,
1850 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1851 [search for usr/lib et al within DIR]),
1852 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1853 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1854 [search for usr/lib et al within DIR])
1855 AC_SUBST(TARGET_SYSTEM_ROOT)
1856 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1858 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1859 [automatically load a system-wide gdbinit file],
1864 # In the Cygwin environment, we need some additional flags.
1865 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1866 [AC_EGREP_CPP(^lose$, [
1867 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1869 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1872 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1873 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1875 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1876 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1877 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1879 AC_SUBST(SER_HARDWIRE)
1881 # libreadline needs libuser32.a in a cygwin environment
1883 if test x$gdb_cv_os_cygwin = xyes; then
1884 WIN32LIBS="-luser32"
1886 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1891 # The ser-tcp.c module requires sockets.
1894 AC_DEFINE(USE_WIN32API, 1,
1895 [Define if we should use the Windows API, instead of the
1896 POSIX API. On Windows, we use the Windows API when
1897 building for MinGW, but the POSIX API when building
1899 WIN32LIBS="$WIN32LIBS -lws2_32"
1904 # Add ELF support to GDB, but only if BFD includes ELF support.
1905 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1906 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1907 if test $gdb_cv_var_elf = yes; then
1908 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1909 AC_DEFINE(HAVE_ELF, 1,
1910 [Define if ELF support should be included.])
1911 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1912 if test "$plugins" = "yes"; then
1913 AC_SEARCH_LIBS(dlopen, dl)
1917 # Add macho support to GDB, but only if BFD includes it.
1918 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1919 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1920 if test $gdb_cv_var_macho = yes; then
1921 CONFIG_OBS="$CONFIG_OBS machoread.o"
1924 # Add any host-specific objects to GDB.
1925 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1927 # If building on ELF, look for lzma support for embedded compressed debug info.
1928 if test $gdb_cv_var_elf = yes; then
1930 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1931 [], [with_lzma=auto])
1932 AC_MSG_CHECKING([whether to use lzma])
1933 AC_MSG_RESULT([$with_lzma])
1935 if test "${with_lzma}" != no; then
1936 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1937 [lzma_index_iter iter;
1938 lzma_index_iter_init (&iter, 0);
1939 lzma_mf_is_supported (LZMA_MF_HC3);])
1940 if test "$HAVE_LIBLZMA" != yes; then
1941 if test "$with_lzma" = yes; then
1942 AC_MSG_ERROR([missing liblzma for --with-lzma])
1948 LIBGUI="../libgui/src/libgui.a"
1949 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1951 AC_SUBST(GUI_CFLAGS_X)
1955 AC_SUBST(WIN32LDAPP)
1958 *-*-cygwin* | *-*-mingw* )
1967 if test "${enable_gdbtk}" = "yes"; then
1969 # Gdbtk must have an absolute path to srcdir in order to run
1970 # properly when not installed.
1978 # If $no_tk is nonempty, then we can't do Tk, and there is no
1979 # point to doing Tcl.
1982 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1985 # Check for in-tree tcl
1992 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1996 # Find Tcl private headers
1997 if test x"${intree}" = xno; then
1998 CY_AC_TCL_PRIVATE_HEADERS
1999 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2000 TCL_LIBRARY="${TCL_LIB_SPEC}"
2003 # If building tcl in the same src tree, private headers
2004 # are not needed, but we need to be sure to use the right
2006 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2007 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2008 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2010 AC_SUBST(TCL_INCLUDE)
2011 AC_SUBST(TCL_LIBRARY)
2016 # Check for in-tree Tk
2018 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2022 # Find Tk private headers
2023 if test x"${intree}" = xno; then
2024 CY_AC_TK_PRIVATE_HEADERS
2025 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2026 TK_LIBRARY=${TK_LIB_SPEC}
2029 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2030 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2031 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2033 AC_SUBST(TK_INCLUDE)
2034 AC_SUBST(TK_LIBRARY)
2036 AC_SUBST(TK_XINCLUDES)
2038 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2040 # Include some libraries that Tcl and Tk want.
2041 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2042 # Yes, the ordering seems wrong here. But it isn't.
2043 # TK_LIBS is the list of libraries that need to be linked
2044 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2045 # were in LIBS then any link tests after this point would
2046 # try to include things like `$(LIBGUI)', which wouldn't work.
2047 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2049 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2050 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2051 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2052 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2053 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2054 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2055 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2057 if test x$gdb_cv_os_cygwin = xyes; then
2058 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2059 WIN32LDAPP="-Wl,--subsystem,console"
2060 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2063 AC_CONFIG_SUBDIRS(gdbtk)
2071 AC_SUBST(GDBTK_CFLAGS)
2072 AC_SUBST(GDBTK_SRC_DIR)
2076 # Unlike the sim directory, whether a simulator is linked is controlled by
2077 # presence of a gdb_sim definition in the target configure.tgt entry.
2078 # This code just checks for a few cases where we'd like to ignore those
2079 # definitions, even when they're present in the '.mt' file. These cases
2080 # are when --disable-sim is specified, or if the simulator directory is
2081 # not part of the source tree.
2084 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2085 [echo "enable_sim = $enable_sim";
2086 echo "enableval = ${enableval}";
2087 case "${enableval}" in
2088 yes) ignore_sim=false ;;
2089 no) ignore_sim=true ;;
2090 *) ignore_sim=false ;;
2094 if test ! -d "${srcdir}/../sim"; then
2100 if test "${ignore_sim}" = "false"; then
2101 if test x"${gdb_sim}" != x ; then
2103 SIM_OBS="remote-sim.o"
2104 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2106 # Some tdep code should only be compiled in when the ppc sim is
2107 # built. PR sim/13418.
2110 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2118 AC_SUBST(ENABLE_CFLAGS)
2119 AC_SUBST(PROFILE_CFLAGS)
2121 AC_SUBST(CONFIG_OBS)
2122 AC_SUBST(CONFIG_DEPS)
2123 AC_SUBST(CONFIG_SRCS)
2124 AC_SUBST(CONFIG_ALL)
2125 AC_SUBST(CONFIG_CLEAN)
2126 AC_SUBST(CONFIG_INSTALL)
2127 AC_SUBST(CONFIG_UNINSTALL)
2129 # List of host floatformats.
2130 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2131 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2132 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2134 # target_subdir is used by the testsuite to find the target libraries.
2136 if test "${host}" != "${target}"; then
2137 target_subdir="${target_alias}/"
2139 AC_SUBST(target_subdir)
2141 # Import nat definitions.
2142 nat_makefile_frag=/dev/null
2143 if test "${gdb_native}" = "yes"; then
2144 . ${srcdir}/configure.nat
2145 nativefile=$NAT_FILE
2149 AC_SUBST(NATDEPFILES)
2154 AC_SUBST(NAT_GENERATED_FILES)
2155 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2156 AC_SUBST_FILE(nat_makefile_frag)
2158 if test x"${gdb_osabi}" != x ; then
2159 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2160 [Define to the default OS ABI for this configuration.])
2163 # Enable multi-ice-gdb-server.
2164 AC_ARG_ENABLE(multi-ice,
2165 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2169 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2171 if test "x$enable_multi_ice" = xyes; then
2172 AC_CONFIG_SUBDIRS(multi-ice)
2175 AC_ARG_ENABLE(gdbserver,
2176 AS_HELP_STRING([--enable-gdbserver],
2177 [automatically build gdbserver (yes/no/auto, default is auto)]),
2178 [case "${enableval}" in
2180 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2181 esac],[enable_gdbserver=auto])
2183 # We only build gdbserver automatically in a native configuration, and
2184 # only if the user did not explicitly disable its build.
2185 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2186 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2187 if test "x$build_gdbserver" = xyes; then
2189 AC_CONFIG_SUBDIRS(gdbserver)
2190 gdbserver_build_enabled=yes
2196 # If the user explicitly request the gdbserver to be built, verify that
2197 # we were in fact able to enable it.
2198 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2199 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2202 # Check for babeltrace and babeltrace-ctf
2203 AC_ARG_WITH(babeltrace,
2204 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2205 [], [with_babeltrace=auto])
2206 AC_MSG_CHECKING([whether to use babeltrace])
2207 AC_MSG_RESULT([$with_babeltrace])
2209 if test "x$with_babeltrace" = "xno"; then
2210 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2212 # Append -Werror to CFLAGS so that configure can catch the warning
2213 # "assignment from incompatible pointer type", which is related to
2214 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2215 # in GDB, while babeltrace 1.0.3 is broken.
2216 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2217 # safe to save and restore CFLAGS here.
2218 saved_CFLAGS=$CFLAGS
2219 CFLAGS="$CFLAGS -Werror"
2220 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2221 [#include <babeltrace/babeltrace.h>
2222 #include <babeltrace/ctf/events.h>
2223 #include <babeltrace/ctf/iterator.h>],
2224 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2225 struct bt_ctf_event *event = NULL;
2226 const struct bt_definition *scope;
2228 pos->type = BT_SEEK_BEGIN;
2229 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2230 scope = bt_ctf_get_top_level_scope (event,
2231 BT_STREAM_EVENT_HEADER);
2232 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2234 CFLAGS=$saved_CFLAGS
2236 if test "$HAVE_LIBBABELTRACE" != yes; then
2237 if test "$with_babeltrace" = yes; then
2238 AC_MSG_ERROR([babeltrace is missing or unusable])
2240 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2245 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2252 if test "${nativefile}" != ""; then
2253 case "${nativefile}" in
2254 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2255 * ) GDB_NM_FILE="${nativefile}"
2257 files="${files} ${GDB_NM_FILE}"
2258 links="${links} nm.h"
2259 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2261 AC_SUBST(GDB_NM_FILE)
2263 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2264 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2265 if test "x$USE_MAINTAINER_MODE" = xyes; then
2266 if test "${XSLTPROC}" = missing; then
2267 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2272 AC_LINK_FILES($files, $links)
2274 dnl Check for exe extension set on certain hosts (e.g. Win32)
2277 dnl Detect the character set used by this host.
2278 dnl At the moment, we just assume it's UTF-8.
2279 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2280 [Define to be a string naming the default host character set.])
2282 if $development; then
2283 AC_DEFINE(GDB_SELF_TEST, 1,
2284 [Define if self-testing features should be enabled])
2285 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS) common/selftest.o selftest-arch.o"
2286 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS) common/selftest.c selftest-arch.c"
2289 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2290 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2291 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2292 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile],
2294 case x$CONFIG_HEADERS in
2295 xconfig.h:config.in)