1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2017 Free Software Foundation, Inc.
4 dnl This file is part of GDB.
6 dnl This program is free software; you can redistribute it and/or modify
7 dnl it under the terms of the GNU General Public License as published by
8 dnl the Free Software Foundation; either version 3 of the License, or
9 dnl (at your option) any later version.
11 dnl This program is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 dnl GNU General Public License for more details.
16 dnl You should have received a copy of the GNU General Public License
17 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
19 dnl Process this file with autoconf to produce a configure script.
23 AC_CONFIG_HEADER(config.h:config.in)
26 # Set the 'development' global.
27 . $srcdir/../bfd/development.sh
32 AC_USE_SYSTEM_EXTENSIONS
41 # We require a C++11 compiler. Check if one is available, and if
42 # necessary, set CXX_DIALECT to some -std=xxx switch.
43 AX_CXX_COMPILE_STDCXX(11, , mandatory)
45 # Dependency checking.
47 # Create sub-directories for objects and dependencies.
48 CONFIG_SRC_SUBDIR="arch"
49 AC_SUBST(CONFIG_SRC_SUBDIR)
51 AC_CONFIG_COMMANDS([gdbdepdir],[
52 for subdir in ${CONFIG_SRC_SUBDIR}
54 $SHELL $ac_aux_dir/mkinstalldirs $subdir/$DEPDIR
56 [ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR CONFIG_SRC_SUBDIR="$CONFIG_SRC_SUBDIR"])
58 ZW_PROG_COMPILER_DEPENDENCIES([CC])
60 gnulib_extra_configure_args=
61 # If large-file support is disabled, make sure gnulib does the same.
62 if test "$enable_largefile" = no; then
63 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
66 # Configure gnulib. We need to build gnulib under some other
67 # directory not "gnulib", to avoid the problem of both GDB and
68 # GDBserver wanting to build it in the same directory, when building
70 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
71 ["$gnulib_extra_configure_args"])
73 dnl List of object files and targets accumulated by configure.
85 dnl Set up for gettext.
86 ZW_GNU_GETTEXT_SISTER_DIR
88 localedir='${datadir}/locale'
91 if test x"$USE_NLS" = xyes; then
92 CONFIG_ALL="$CONFIG_ALL all-po"
93 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
94 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
95 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
98 GNULIB=build-gnulib/import
100 # For Makefile dependencies.
102 if test x"$STDINT_H" != x; then
103 GNULIB_STDINT_H=$GNULIB/$STDINT_H
105 AC_SUBST(GNULIB_STDINT_H)
108 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
111 # We never need to detect it in this sub-configure.
112 # But preserve it for config.status --recheck.
114 [Parent configure detects if it is of sufficient version.])
115 AC_ARG_VAR(MAKEINFOFLAGS,
116 [Parameters for MAKEINFO.])
118 MAKEINFO_EXTRA_FLAGS=""
119 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
120 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
121 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
122 gdb_cv_have_makeinfo_click=yes
124 gdb_cv_have_makeinfo_click=no
126 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
127 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
129 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
131 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
132 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
135 # We can't pass paths as command line arguments.
136 # Mingw32 tries to be clever and will convert the paths for us.
137 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
138 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
139 # This breaks GDB's relocatable path conversions since paths passed in
140 # config.h would not get so translated, the path prefixes no longer match.
141 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
143 # GDB's datadir relocation
145 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
146 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
149 AC_ARG_WITH(relocated-sources,
150 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
151 [reloc_srcdir="${withval}"
152 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
153 [Relocated directory for source files. ])
156 AC_MSG_CHECKING([for default auto-load directory])
157 AC_ARG_WITH(auto-load-dir,
158 AS_HELP_STRING([--with-auto-load-dir=PATH],
159 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
160 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
161 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
162 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
163 [Directories from which to load auto-loaded scripts.])
164 AC_MSG_RESULT([$with_auto_load_dir])
166 AC_MSG_CHECKING([for default auto-load safe-path])
167 AC_ARG_WITH(auto-load-safe-path,
168 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
169 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
170 AS_HELP_STRING([--without-auto-load-safe-path],
171 [do not restrict auto-loaded files locations]),
172 [if test "$with_auto_load_safe_path" = "no"; then
173 with_auto_load_safe_path="/"
175 [with_auto_load_safe_path="$with_auto_load_dir"])
176 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
177 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
178 [Directories safe to hold auto-loaded files.])
179 AC_MSG_RESULT([$with_auto_load_safe_path])
181 AC_CONFIG_SUBDIRS(testsuite)
183 # Check whether to support alternative target configurations
184 AC_ARG_ENABLE(targets,
185 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
186 [case "${enableval}" in
187 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
189 no) enable_targets= ;;
190 *) enable_targets=$enableval ;;
193 # Check whether to enable 64-bit support on 32-bit hosts
194 AC_ARG_ENABLE(64-bit-bfd,
195 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
196 [case "${enableval}" in
199 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
200 esac],[want64=false])dnl
202 # Provide defaults for some variables set by the per-host and per-target
204 gdb_host_obs=posix-hdep.o
206 if test "${target}" = "${host}"; then
212 . $srcdir/configure.host
214 # Add in the common host objects.
215 . $srcdir/common/common.host
216 gdb_host_obs="$gdb_host_obs $common_host_obs"
218 # Accumulate some settings from configure.tgt over all enabled targets
222 HAVE_NATIVE_GCORE_TARGET=
224 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
226 if test "$targ_alias" = "all"; then
229 # Canonicalize the secondary target names.
230 result=`$ac_config_sub $targ_alias 2>/dev/null`
231 if test -n "$result"; then
237 . ${srcdir}/configure.tgt
239 AS_IF([test -z "${gdb_target_obs}"],
240 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
242 # Target-specific object files
243 for i in ${gdb_target_obs}; do
244 case " $TARGET_OBS " in
247 TARGET_OBS="$TARGET_OBS ${i}"
252 # Check whether this target needs 64-bit CORE_ADDR
253 if test x${want64} = xfalse; then
254 . ${srcdir}/../bfd/config.bfd
257 # Check whether this target is native and supports gcore.
258 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
259 && $gdb_have_gcore; then
260 HAVE_NATIVE_GCORE_TARGET=1
265 if test x${all_targets} = xtrue; then
267 # We want all 64-bit targets if we either:
268 # - run on a 64-bit host or
269 # - already require 64-bit support for some other target or
270 # - the --enable-64-bit-bfd option was supplied
271 # Otherwise we only support all 32-bit targets.
273 # NOTE: This test must be in sync with the corresponding
276 if test x${want64} = xfalse; then
277 AC_CHECK_SIZEOF(long)
278 if test "x${ac_cv_sizeof_long}" = "x8"; then
282 if test x${want64} = xtrue; then
283 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
285 TARGET_OBS='$(ALL_TARGET_OBS)'
290 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
292 # For other settings, only the main target counts.
296 targ=$target; . ${srcdir}/configure.tgt
298 # Fetch the default architecture and default target vector from BFD.
299 targ=$target; . $srcdir/../bfd/config.bfd
301 # We only want the first architecture, so strip off the others if
302 # there is more than one.
303 targ_archs=`echo $targ_archs | sed 's/ .*//'`
305 if test "x$targ_archs" != x; then
306 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
307 [Define to BFD's default architecture. ])
309 if test "x$targ_defvec" != x; then
310 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
311 [Define to BFD's default target vector. ])
314 # The CLI cannot be disabled yet, but may be in the future.
317 AC_ARG_ENABLE(gdbcli,
318 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
323 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
325 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
328 if test x"$enable_gdbcli" = xyes; then
329 if test -d $srcdir/cli; then
330 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
331 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
332 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
333 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
339 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
344 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
347 if test x"$enable_gdbmi" = xyes; then
348 if test -d $srcdir/mi; then
349 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
350 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
351 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
352 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
358 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
363 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
364 esac],enable_tui=auto)
368 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
373 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
375 [if test -d $srcdir/gdbtk; then
380 # We unconditionally disable gdbtk tests on selected platforms.
383 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
387 # Libunwind support for ia64.
389 AC_ARG_WITH(libunwind-ia64,
390 AS_HELP_STRING([--with-libunwind-ia64],
391 [use libunwind frame unwinding for ia64 targets]),,
392 [with_libunwind_ia64=auto])
394 # Backward compatibility option.
395 if test "${with_libunwind+set}" = set; then
396 if test x"$with_libunwind_ia64" != xauto; then
398 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
400 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
401 with_libunwind_ia64="$with_libunwind"
404 case "$with_libunwind_ia64" in
408 AC_CHECK_HEADERS(libunwind-ia64.h)
409 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
413 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
417 if test x"$with_libunwind_ia64" = xyes; then
418 AC_CHECK_HEADERS(libunwind-ia64.h)
419 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
420 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
422 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
423 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
424 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
428 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
431 if test "$opt_curses" = "yes"; then
436 AC_ARG_ENABLE(profiling,
437 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
442 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
444 [enable_profiling=no])
446 AC_CHECK_FUNCS(monstartup _mcleanup)
447 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
452 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
453 if test $ac_cv_var__etext = yes; then
454 AC_DEFINE(HAVE__ETEXT, 1,
455 [Define to 1 if your system has the _etext variable. ])
457 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
462 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
463 if test $ac_cv_var_etext = yes; then
464 AC_DEFINE(HAVE_ETEXT, 1,
465 [Define to 1 if your system has the etext variable. ])
467 if test "$enable_profiling" = yes ; then
468 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
469 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
473 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
475 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
476 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
477 ac_cv_cc_supports_pg=no)])
479 if test $ac_cv_cc_supports_pg = no; then
480 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
486 ACX_PKGVERSION([GDB])
487 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
488 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
489 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
491 # --------------------- #
492 # Checks for programs. #
493 # --------------------- #
501 AC_CHECK_TOOL(AR, ar)
502 AC_CHECK_TOOL(DLLTOOL, dlltool)
503 AC_CHECK_TOOL(WINDRES, windres)
507 # Needed for GNU Hurd hosts.
508 AC_CHECK_TOOL(MIG, mig)
509 if test x"$MIG" = x; then
510 AC_MSG_ERROR([MIG not found but required for $host hosts])
515 # ---------------------- #
516 # Checks for libraries. #
517 # ---------------------- #
519 # We might need to link with -lm; most simulators need it.
520 AC_CHECK_LIB(m, main)
522 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
523 AC_SEARCH_LIBS(gethostbyname, nsl)
525 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
526 AC_SEARCH_LIBS(socketpair, socket)
528 # Link in zlib if we can. This allows us to read compressed debug sections.
531 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
532 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
533 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
534 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
535 [Define to 1 if your system has the kinfo_getvmmap function. ])])
539 # GDB may fork/exec the iconv program to get the list of supported character
540 # sets. Allow the user to specify where to find it.
541 # There are several factors affecting the choice of option name:
542 # - There is already --with-libiconv-prefix but we can't use it, it specifies
543 # the build-time location of libiconv files.
544 # - The program we need to find is iconv, which comes with glibc. The user
545 # doesn't necessarily have libiconv installed. Therefore naming this
546 # --with-libiconv-foo feels wrong.
547 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
548 # defined to work on directories not files (though it really doesn't know
550 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
551 # with --with-libiconv-prefix.
552 # Putting these together is why the option name is --with-iconv-bin.
554 AC_ARG_WITH(iconv-bin,
555 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
556 [iconv_bin="${withval}"
557 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
558 [Path of directory of iconv program.])
559 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
562 # For the TUI, we need enhanced curses functionality.
563 if test x"$enable_tui" != xno; then
568 if test x"$prefer_curses" = xyes; then
569 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
570 # curses library because the latter might not provide all the
571 # functionality we need. However, this leads to problems on systems
572 # where the linker searches /usr/local/lib, but the compiler doesn't
573 # search /usr/local/include, if ncurses is installed in /usr/local. A
574 # default installation of ncurses on alpha*-dec-osf* will lead to such
576 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
578 if test "$ac_cv_search_waddstr" != no; then
583 # Check whether we should enable the TUI, but only do so if we really
585 if test x"$enable_tui" != xno; then
586 if test -d $srcdir/tui; then
587 if test "$curses_found" != no; then
588 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
589 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
590 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
591 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
593 if test x"$enable_tui" = xyes; then
594 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
596 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
602 # Since GDB uses Readline, we need termcap functionality. In many
603 # cases this will be provided by the curses library, but some systems
604 # have a separate termcap library, or no curses library at all.
608 if test -d $srcdir/libtermcap; then
609 LIBS="../libtermcap/libtermcap.a $LIBS"
610 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
613 ac_cv_search_tgetent="none required"
617 # These are the libraries checked by Readline.
618 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncursesw ncurses])
620 if test "$ac_cv_search_tgetent" = no; then
621 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
624 AC_ARG_WITH([system-readline],
625 [AS_HELP_STRING([--with-system-readline],
626 [use installed readline library])])
628 if test "$with_system_readline" = yes; then
632 READLINE_TEXI_INCFLAG=
634 READLINE='$(READLINE_DIR)/libreadline.a'
635 READLINE_DEPS='$(READLINE)'
636 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
637 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
640 AC_SUBST(READLINE_DEPS)
641 AC_SUBST(READLINE_CFLAGS)
642 AC_SUBST(READLINE_TEXI_INCFLAG)
644 # Generate jit-reader.h
646 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
649 AC_CHECK_SIZEOF(unsigned long long)
650 AC_CHECK_SIZEOF(unsigned long)
651 AC_CHECK_SIZEOF(unsigned __int128)
653 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
654 TARGET_PTR="unsigned long"
655 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
656 TARGET_PTR="unsigned long long"
657 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
658 TARGET_PTR="unsigned __int128"
660 TARGET_PTR="unsigned long"
664 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
666 AC_SEARCH_LIBS(dlopen, dl)
668 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
669 [directory to load the JIT readers from],
673 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
674 [], [with_expat=auto])
675 AC_MSG_CHECKING([whether to use expat])
676 AC_MSG_RESULT([$with_expat])
678 if test "${with_expat}" = no; then
679 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
682 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
683 [XML_Parser p = XML_ParserCreate (0);])
684 if test "$HAVE_LIBEXPAT" != yes; then
685 if test "$with_expat" = yes; then
686 AC_MSG_ERROR([expat is missing or unusable])
688 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
692 LIBS="$LIBS $LIBEXPAT"
693 AC_CHECK_FUNCS(XML_StopParser)
699 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
700 [], [with_mpfr=auto])
701 AC_MSG_CHECKING([whether to use MPFR])
702 AC_MSG_RESULT([$with_mpfr])
704 if test "${with_mpfr}" = no; then
705 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
708 AC_LIB_HAVE_LINKFLAGS([mpfr], [], [#include <mpfr.h>],
709 [mpfr_exp_t exp; mpfr_t x;
710 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
711 if test "$HAVE_LIBMPFR" != yes; then
712 if test "$with_mpfr" = yes; then
713 AC_MSG_ERROR([MPFR is missing or unusable])
715 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
720 # --------------------- #
721 # Check for libpython. #
722 # --------------------- #
724 dnl Utility to simplify finding libpython.
726 dnl $2 = the shell variable to assign the result to
727 dnl If libpython is found we store $version here.
728 dnl $3 = additional flags to add to CPPFLAGS
729 dnl $4 = additional flags to add to LIBS
731 AC_DEFUN([AC_TRY_LIBPYTHON],
734 define([have_libpython_var],$2)
737 AC_MSG_CHECKING([for ${version}])
738 save_CPPFLAGS=$CPPFLAGS
740 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
741 LIBS="$LIBS $new_LIBS"
742 found_usable_python=no
743 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
744 [[Py_Initialize ();]]),
745 [have_libpython_var=${version}
746 found_usable_python=yes
747 PYTHON_CPPFLAGS=$new_CPPFLAGS
748 PYTHON_LIBS=$new_LIBS])
749 CPPFLAGS=$save_CPPFLAGS
751 AC_MSG_RESULT([${found_usable_python}])
754 dnl There are several different values for --with-python:
756 dnl no - Don't include python support.
757 dnl yes - Include python support, error if it's missing.
758 dnl If we find python in $PATH, use it to fetch configure options,
759 dnl otherwise assume the compiler can find it with no help from us.
760 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
761 dnl auto - Same as "yes", but if python is missing from the system,
762 dnl fall back to "no".
763 dnl /path/to/python/exec-prefix -
764 dnl Use the python located in this directory.
765 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
766 dnl the compilation parameters. Otherwise use
767 dnl -I/path/to/python/exec-prefix/include,
768 dnl -L/path/to/python/exec-prefix/lib.
769 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
770 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
771 dnl but is deprecated.
772 dnl /path/to/python/executable -
773 dnl Run python-config.py with this version of python to fetch the
774 dnl compilation parameters.
775 dnl NOTE: This needn't be the real python executable.
776 dnl In a cross-compilation scenario (build != host), this could be
777 dnl a shell script that provides what python-config.py provides for
778 dnl --ldflags, --includes, --exec-prefix.
779 dnl python-executable -
780 dnl Find python-executable in $PATH, and then handle the same as
781 dnl /path/to/python/executable.
783 dnl If a python program is specified, it is used to run python-config.py and
784 dnl is passed --ldflags, --includes, --exec-prefix.
787 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
788 [], [with_python=auto])
789 AC_MSG_CHECKING([whether to use python])
790 AC_MSG_RESULT([$with_python])
792 if test "${with_python}" = no; then
793 AC_MSG_WARN([python support disabled; some features may be unavailable.])
796 case "${with_python}" in
797 [[\\/]]* | ?:[[\\/]]*)
798 if test -d ${with_python}; then
799 # Assume the python binary is ${with_python}/bin/python.
800 python_prog="${with_python}/bin/python"
802 # If python does not exit ${with_python}/bin, then try in
803 # ${with_python}. On Windows/MinGW, this is where the Python
805 if test ! -x "${python_prog}"; then
806 python_prog="${with_python}/python"
809 if test ! -x "${python_prog}"; then
810 # Fall back to gdb 7.0/7.1 behaviour.
812 python_prefix=${with_python}
814 elif test -x "${with_python}"; then
815 # While we can't run python compiled for $host (unless host == build),
816 # the user could write a script that provides the needed information,
817 # so we support that.
818 python_prog=${with_python}
821 AC_ERROR(invalid value for --with-python)
825 # Disallow --with-python=foo/bar.
826 AC_ERROR(invalid value for --with-python)
829 # The user has either specified auto, yes, or the name of the python
830 # program assumed to be in $PATH.
832 case "${with_python}" in
834 if test ${build} = ${host}; then
835 AC_PATH_PROG(python_prog_path, python, missing)
836 if test "${python_prog_path}" = missing; then
839 python_prog=${python_prog_path}
842 # Not much we can do except assume the cross-compiler will find the
848 # While we can't run python compiled for $host (unless host == build),
849 # the user could write a script that provides the needed information,
850 # so we support that.
851 python_prog="${with_python}"
852 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
853 if test "${python_prog_path}" = missing; then
854 AC_ERROR(unable to find python program ${python_prog})
860 if test "${python_prog}" != missing; then
861 # We have a python program to use, but it may be too old.
862 # Don't flag an error for --with-python=auto (the default).
863 have_python_config=yes
864 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
865 if test $? != 0; then
866 have_python_config=failed
867 if test "${with_python}" != auto; then
868 AC_ERROR(failure running python-config --includes)
871 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
872 if test $? != 0; then
873 have_python_config=failed
874 if test "${with_python}" != auto; then
875 AC_ERROR(failure running python-config --ldflags)
878 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
879 if test $? != 0; then
880 have_python_config=failed
881 if test "${with_python}" != auto; then
882 AC_ERROR(failure running python-config --exec-prefix)
886 # We do not have a python executable we can use to determine where
887 # to find the Python headers and libs. We cannot guess the include
888 # path from the python_prefix either, because that include path
889 # depends on the Python version. So, there is nothing much we can
890 # do except assume that the compiler will be able to find those files.
893 have_python_config=no
896 # If we have python-config, only try the configuration it provides.
897 # Otherwise fallback on the old way of trying different versions of
901 if test "${have_python_config}" = yes; then
902 # Determine the Python version by extracting "-lpython<version>"
903 # part of the python_libs. <version> is usually X.Y with X and Y
904 # being decimal numbers, but can also be XY (seen on Windows).
906 # The extraction is performed using sed with a regular expression.
907 # Initially, the regexp used was using the '?' quantifier to make
908 # the dot in the version number optional. Unfortunately, this
909 # does not work with non-GNU versions of sed because, because of
910 # what looks like a limitation (the '?' quantifier does not work
911 # with back-references). We work around this limitation by using
912 # the '*' quantifier instead. It means that, in theory, we might
913 # match unexpected version strings such as "-lpython2..7", but
914 # this seems unlikely in practice. And even if that happens,
915 # an error will be triggered later on, when checking that version
917 python_version=`echo " ${python_libs} " \
918 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
919 case "${python_version}" in
921 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
922 ${python_includes}, ${python_libs})
925 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
928 elif test "${have_python_config}" != failed; then
929 if test "${have_libpython}" = no; then
930 AC_TRY_LIBPYTHON(python2.7, have_libpython,
931 ${python_includes}, "${python_libs} -lpython2.7")
933 if test "${have_libpython}" = no; then
934 AC_TRY_LIBPYTHON(python2.6, have_libpython,
935 ${python_includes}, "${python_libs} -lpython2.6")
937 if test ${have_libpython} = no; then
938 AC_TRY_LIBPYTHON(python2.5, have_libpython,
939 ${python_includes}, "${python_libs} -lpython2.5")
941 if test ${have_libpython} = no; then
942 AC_TRY_LIBPYTHON(python2.4, have_libpython,
943 ${python_includes}, "${python_libs} -lpython2.4")
946 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
947 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
948 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
949 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
950 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
951 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
952 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
953 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
956 if test "${have_libpython}" = no; then
957 case "${with_python}" in
959 AC_MSG_ERROR([python is missing or unusable])
962 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
965 AC_MSG_ERROR([no usable python found at ${with_python}])
969 if test -n "${python_prefix}"; then
970 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
971 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
972 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
977 if test "${have_libpython}" != no; then
978 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
979 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
980 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
981 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
982 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
983 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
985 # Flags needed to compile Python code (taken from python-config --cflags).
986 # We cannot call python-config directly because it will output whatever was
987 # used when compiling the Python interpreter itself, including flags which
988 # would make the python-related objects be compiled differently from the
989 # rest of GDB (e.g., -O2 and -fPIC).
990 if test "${GCC}" = yes; then
991 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
994 if test "x${tentative_python_cflags}" != x; then
995 AC_MSG_CHECKING(compiler flags for python code)
996 for flag in ${tentative_python_cflags}; do
997 # Check that the compiler accepts it
998 saved_CFLAGS="$CFLAGS"
999 CFLAGS="$CFLAGS $flag"
1000 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
1001 CFLAGS="$saved_CFLAGS"
1003 AC_MSG_RESULT(${PYTHON_CFLAGS})
1006 # On x64 Windows, Python's include headers, and pyconfig.h in
1007 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
1008 # version of Windows. Unfortunately, MS_WIN64 is only defined if
1009 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
1010 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
1011 # The issue was reported to the Python community, but still isn't
1012 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1016 if test "${GCC}" = yes; then
1017 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1022 # Note that "python -m threading" cannot be used to check for
1023 # threading support due to a bug in Python 2.7.3
1024 # (http://bugs.python.org/issue15567).
1025 AC_MSG_CHECKING(whether python supports threads)
1026 saved_CPPFLAGS="${CPPFLAGS}"
1027 CPPFLAGS="${PYTHON_CPPFLAGS}"
1028 # Note that the test is reversed so that python_has_threads=yes on
1029 # unexpected failures.
1030 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1035 ]]), [python_has_threads=no], [python_has_threads=yes])
1036 AC_MSG_RESULT(${python_has_threads})
1037 CPPFLAGS="${saved_CPPFLAGS}"
1039 # Even if Python support is not compiled in, we need to have this file
1040 # included so that the "python" command, et.al., still exists.
1041 CONFIG_OBS="$CONFIG_OBS python.o"
1042 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1045 # Work around Python http://bugs.python.org/issue10112. See also
1046 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1047 # no effect. Note that the only test after this that uses Python is
1048 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1049 # run without -export-dynamic too.
1050 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1052 AC_SUBST(PYTHON_CFLAGS)
1053 AC_SUBST(PYTHON_CPPFLAGS)
1054 AC_SUBST(PYTHON_LIBS)
1055 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1057 # -------------------- #
1058 # Check for libguile. #
1059 # -------------------- #
1061 dnl Utility to simplify finding libguile.
1062 dnl $1 = pkg-config-program
1063 dnl $2 = space-separate list of guile versions to try
1064 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1065 dnl $4 = the shell variable to assign the result to
1066 dnl If libguile is found we store "yes" here.
1068 AC_DEFUN([AC_TRY_LIBGUILE],
1071 guile_version_list=$2
1073 define([have_libguile_var],$4)
1074 found_usable_guile=checking
1075 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1076 for guile_version in ${guile_version_list}; do
1077 ${pkg_config} --exists ${guile_version} 2>/dev/null
1078 if test $? != 0; then
1081 dnl pkg-config says the package exists, so if we get an error now,
1083 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1084 if test $? != 0; then
1085 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1087 new_LIBS=`${pkg_config} --libs ${guile_version}`
1088 if test $? != 0; then
1089 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1091 dnl If we get this far, great.
1092 found_usable_guile=${guile_version}
1095 if test "${found_usable_guile}" = "checking"; then
1096 if test "${flag_errors}" = "yes"; then
1097 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1099 found_usable_guile=no
1102 dnl One final sanity check.
1103 dnl The user could have said --with-guile=python-2.7.
1104 if test "${found_usable_guile}" != no; then
1105 save_CPPFLAGS=$CPPFLAGS
1107 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1108 LIBS="$LIBS $new_LIBS"
1109 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1110 [[scm_init_guile ();]]),
1111 [have_libguile_var=yes
1112 GUILE_CPPFLAGS=$new_CPPFLAGS
1113 GUILE_LIBS=$new_LIBS],
1114 [found_usable_guile=no])
1115 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1116 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1117 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1118 [Define if Guile supports manual finalization.])
1120 CPPFLAGS=$save_CPPFLAGS
1122 if test "${found_usable_guile}" = no; then
1123 if test "${flag_errors}" = yes; then
1124 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1128 AC_MSG_RESULT([${found_usable_guile}])
1131 dnl There are several different values for --with-guile:
1133 dnl no - Don't include guile support.
1134 dnl yes - Include guile support, error if it's missing.
1135 dnl The pkg-config program must be in $PATH.
1136 dnl auto - Same as "yes", but if guile is missing from the system,
1137 dnl fall back to "no".
1138 dnl guile-version [guile-version-choice-2 ...] -
1139 dnl A space-separated list of guile package versions to try.
1140 dnl These are passed to pkg-config as-is.
1141 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1142 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1143 dnl /path/to/pkg-config -
1144 dnl Use this pkg-config program.
1145 dnl NOTE: This needn't be the "real" pkg-config program.
1146 dnl It could be a shell script. It is invoked as:
1147 dnl pkg-config --exists $version
1148 dnl pkg-config --cflags $version
1149 dnl pkg-config --libs $version
1150 dnl pkg-config --variable guild $version
1151 dnl The script will be called with $version having each value in
1152 dnl $try_guile_versions until --exists indicates success.
1155 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1156 [], [with_guile=auto])
1157 AC_MSG_CHECKING([whether to use guile])
1158 AC_MSG_RESULT([$with_guile])
1160 dnl We check guile with pkg-config.
1161 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1163 try_guile_versions="guile-2.0"
1165 case "${with_guile}" in
1167 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1170 if test "${pkg_config_prog_path}" = "missing"; then
1171 AC_MSG_WARN([pkg-config not found, guile support disabled])
1173 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1177 if test "${pkg_config_prog_path}" = "missing"; then
1178 AC_MSG_ERROR([pkg-config not found])
1180 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1182 [[\\/]]* | ?:[[\\/]]*)
1183 if test -x "${with_guile}"; then
1184 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1186 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1190 # Disallow --with=guile="" and --with-guile=foo/bar.
1191 AC_MSG_ERROR([invalid value for --with-guile])
1194 # A space separate list of guile versions to try, in order.
1195 if test "${pkg_config_prog_path}" = "missing"; then
1196 AC_MSG_ERROR([pkg-config not found])
1198 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1202 if test "${have_libguile}" != no; then
1203 dnl Get the name of the 'guild' program.
1204 case "${with_guile}" in
1205 [[\\/]]* | ?:[[\\/]]*)
1206 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1209 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1213 dnl Make sure guild can handle this host.
1214 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1215 dnl If not, disable guile support.
1216 if test "$ac_cv_guild_ok" = no; then
1218 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1222 if test "${have_libguile}" != no; then
1223 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1224 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1225 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1226 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1227 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1228 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1230 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1232 save_CPPFLAGS="$CPPFLAGS"
1234 CPPFLAGS="$GUILE_CPPFLAGS"
1235 AC_CHECK_FUNCS([scm_new_smob])
1237 CPPFLAGS="$save_CPPFLAGS"
1239 # Even if Guile support is not compiled in, we need to have these files
1241 CONFIG_OBS="$CONFIG_OBS guile.o"
1242 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1244 AC_SUBST(GUILE_CPPFLAGS)
1245 AC_SUBST(GUILE_LIBS)
1246 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1248 # --------------------- #
1249 # Check for libmcheck. #
1250 # --------------------- #
1252 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1253 # but turn it off if Python is enabled with threads, since -lmcheck is
1254 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1256 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1257 && $development; then
1258 libmcheck_default=yes
1260 libmcheck_default=no
1262 GDB_AC_LIBMCHECK(${libmcheck_default})
1264 if test "$ENABLE_LIBMCHECK" = "yes" \
1265 -a "${have_libpython}" != "no" \
1266 -a "${python_has_threads}" = "yes" ; then
1267 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1270 AC_ARG_WITH(intel_pt,
1271 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1272 [], [with_intel_pt=auto])
1273 AC_MSG_CHECKING([whether to use intel pt])
1274 AC_MSG_RESULT([$with_intel_pt])
1276 if test "${with_intel_pt}" = no; then
1277 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1280 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1281 #include <linux/perf_event.h>
1282 #ifndef PERF_ATTR_SIZE_VER5
1285 ]]), [perf_event=yes], [perf_event=no])
1286 if test "$perf_event" != yes; then
1287 if test "$with_intel_pt" = yes; then
1288 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1290 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1294 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1295 if test "$HAVE_LIBIPT" != yes; then
1296 if test "$with_intel_pt" = yes; then
1297 AC_MSG_ERROR([libipt is missing or unusable])
1299 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1303 LIBS="$LIBS $LIBIPT"
1304 AC_CHECK_FUNCS(pt_insn_event)
1305 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1306 [#include <intel-pt.h>])
1311 # ------------------------- #
1312 # Checks for header files. #
1313 # ------------------------- #
1316 # elf_hp.h is for HP/UX 64-bit shared library support.
1317 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1320 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1321 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1322 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1323 termios.h elf_hp.h \
1325 AC_CHECK_HEADERS(sys/proc.h, [], [],
1326 [#if HAVE_SYS_PARAM_H
1327 # include <sys/param.h>
1330 AC_CHECK_HEADERS(sys/user.h, [], [],
1331 [#if HAVE_SYS_PARAM_H
1332 # include <sys/param.h>
1336 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1337 AC_CHECK_HEADERS(term.h, [], [],
1339 # include <curses.h>
1343 # ------------------------- #
1344 # Checks for declarations. #
1345 # ------------------------- #
1349 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1352 # ----------------------- #
1353 # Checks for structures. #
1354 # ----------------------- #
1356 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1358 # ------------------ #
1359 # Checks for types. #
1360 # ------------------ #
1362 AC_CHECK_TYPES(socklen_t, [], [],
1363 [#include <sys/types.h>
1364 #include <sys/socket.h>
1367 # ------------------------------------- #
1368 # Checks for compiler characteristics. #
1369 # ------------------------------------- #
1375 # ------------------------------ #
1376 # Checks for library functions. #
1377 # ------------------------------ #
1381 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1382 pipe poll pread pread64 pwrite resize_term \
1383 sbrk setpgid setpgrp setsid \
1384 sigaction sigprocmask sigsetmask socketpair \
1385 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1386 setrlimit getrlimit posix_madvise waitpid \
1387 ptrace64 sigaltstack mkdtemp setns])
1391 # Check the return and argument types of ptrace.
1394 dnl AC_FUNC_SETPGRP does not work when cross compiling
1395 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1396 if test "$cross_compiling" = no; then
1399 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1403 if (setpgrp(1,1) == -1)
1407 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1408 if test $ac_cv_func_setpgrp_void = yes; then
1409 AC_DEFINE(SETPGRP_VOID, 1)
1413 # Assume we'll default to using the included libiberty regex.
1414 gdb_use_included_regex=yes
1416 # However, if the system regex is GNU regex, then default to *not*
1417 # using the included regex.
1420 [gdb_cv_have_gnu_regex],
1422 [#include <gnu-versions.h>],
1423 [#define REGEX_INTERFACE_VERSION 1
1424 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1425 # error "Version mismatch"
1427 gdb_cv_have_gnu_regex=yes,
1428 gdb_cv_have_gnu_regex=no)])
1429 if test $gdb_cv_have_gnu_regex = yes; then
1430 gdb_use_included_regex=no
1433 AC_ARG_WITH(included-regex,
1434 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1435 gdb_with_regex=$withval,
1436 gdb_with_regex=$gdb_use_included_regex)
1437 if test "$gdb_with_regex" = yes; then
1438 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1439 [Define to 1 if the regex included in libiberty should be used.])
1442 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1443 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1444 [#include <sys/param.h>
1445 #include <sys/proc.h>
1448 # See if <sys/lwp.h> defines `struct lwp`.
1449 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1450 [AC_TRY_COMPILE([#include <sys/param.h>
1452 #include <sys/lwp.h>], [struct lwp l;],
1453 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1454 if test $gdb_cv_struct_lwp = yes; then
1455 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1456 [Define to 1 if your system has struct lwp.])
1459 # See if <machine/reg.h> degines `struct reg'.
1460 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1461 [AC_TRY_COMPILE([#include <sys/types.h>
1462 #include <machine/reg.h>], [struct reg r;],
1463 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1464 if test $gdb_cv_struct_reg = yes; then
1465 AC_DEFINE(HAVE_STRUCT_REG, 1,
1466 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1469 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1470 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1471 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1472 [#include <sys/types.h>
1473 #include <machine/reg.h>])
1475 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1476 # Older amd64 Linux's don't have the fs_base and gs_base members of
1477 # `struct user_regs_struct'.
1478 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1479 [], [], [#include <sys/user.h>])
1481 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1482 AC_MSG_CHECKING(for PTRACE_GETREGS)
1483 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1484 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1486 [gdb_cv_have_ptrace_getregs=yes],
1487 [gdb_cv_have_ptrace_getregs=no])])
1488 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1489 if test $gdb_cv_have_ptrace_getregs = yes; then
1490 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1491 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1494 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1495 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1496 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1497 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1498 [PTRACE_GETFPXREGS;],
1499 [gdb_cv_have_ptrace_getfpxregs=yes],
1500 [gdb_cv_have_ptrace_getfpxregs=no])])
1501 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1502 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1503 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1504 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1507 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1508 AC_MSG_CHECKING(for PT_GETDBREGS)
1509 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1510 [AC_TRY_COMPILE([#include <sys/types.h>
1511 #include <sys/ptrace.h>],
1513 [gdb_cv_have_pt_getdbregs=yes],
1514 [gdb_cv_have_pt_getdbregs=no])])
1515 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1516 if test $gdb_cv_have_pt_getdbregs = yes; then
1517 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1518 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1521 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1522 AC_MSG_CHECKING(for PT_GETXMMREGS)
1523 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1524 [AC_TRY_COMPILE([#include <sys/types.h>
1525 #include <sys/ptrace.h>],
1527 [gdb_cv_have_pt_getxmmregs=yes],
1528 [gdb_cv_have_pt_getxmmregs=no])])
1529 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1530 if test $gdb_cv_have_pt_getxmmregs = yes; then
1531 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1532 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1535 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1536 # Older FreeBSD versions don't have the pl_tdname member of
1537 # `struct ptrace_lwpinfo'.
1538 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1539 [#include <sys/ptrace.h>])
1541 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1542 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1544 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1545 [#include <sys/ptrace.h>])
1547 # Detect which type of /proc is in use, such as for Solaris.
1549 if test "${target}" = "${host}"; then
1551 *-*-sysv4.2* | *-*-sysv5* )
1552 AC_DEFINE(NEW_PROC_API, 1,
1553 [Define if you want to use new multi-fd /proc interface.])
1555 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1556 AC_DEFINE(NEW_PROC_API, 1,
1557 [Define if you want to use new multi-fd /proc interface.])
1562 if test "$ac_cv_header_sys_procfs_h" = yes; then
1563 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1564 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1565 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1566 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1567 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1568 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1569 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1570 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1571 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1572 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1573 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1576 dnl Check for broken prfpregset_t type
1578 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1579 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1580 dnl instead of the struct itself). We detect this here, and work
1581 dnl around it in gdb_proc_service.h.
1583 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1584 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1585 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1586 [AC_TRY_RUN([#include <sys/procfs.h>
1589 if (sizeof (prfpregset_t) == sizeof (void *))
1593 gdb_cv_prfpregset_t_broken=no,
1594 gdb_cv_prfpregset_t_broken=yes,
1595 gdb_cv_prfpregset_t_broken=yes)])
1596 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1597 if test $gdb_cv_prfpregset_t_broken = yes; then
1598 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1599 [Define if the prfpregset_t type is broken.])
1604 # Check if the compiler supports the `long long' type.
1606 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1607 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1608 [[extern long long foo;]],
1609 [[switch (foo & 2) { case 0: return 1; }]])],
1610 gdb_cv_c_long_long=yes,
1611 gdb_cv_c_long_long=no)])
1612 if test $gdb_cv_c_long_long != yes; then
1613 # libdecnumber requires long long.
1614 AC_MSG_ERROR([Compiler must support long long for GDB.])
1617 # Check if the compiler and runtime support printing long longs.
1619 AC_CACHE_CHECK([for long long support in printf],
1620 gdb_cv_printf_has_long_long,
1621 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1624 l = (l << 16) + 0x0123;
1625 l = (l << 16) + 0x4567;
1626 l = (l << 16) + 0x89ab;
1627 l = (l << 16) + 0xcdef;
1628 sprintf (buf, "0x%016llx", l);
1629 return (strcmp ("0x0123456789abcdef", buf));]])],
1630 gdb_cv_printf_has_long_long=yes,
1631 gdb_cv_printf_has_long_long=no,
1632 gdb_cv_printf_has_long_long=no)])
1633 if test $gdb_cv_printf_has_long_long = yes; then
1634 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1635 [Define to 1 if the "%ll" format works to print long longs.])
1638 # Check if the compiler and runtime support printing decfloats.
1640 AC_CACHE_CHECK([for decfloat support in printf],
1641 gdb_cv_printf_has_decfloat,
1642 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1644 _Decimal32 d32 = 1.2345df;
1645 _Decimal64 d64 = 1.2345dd;
1646 _Decimal128 d128 = 1.2345dl;
1647 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1648 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1649 gdb_cv_printf_has_decfloat=yes,
1650 gdb_cv_printf_has_decfloat=no,
1651 gdb_cv_printf_has_decfloat=no)])
1652 if test $gdb_cv_printf_has_decfloat = yes; then
1653 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1654 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1657 # Check if the compiler supports the `long double' type. We can't use
1658 # AC_C_LONG_DOUBLE because that one does additional checks on the
1659 # constants defined in <float.h> that fail on some systems,
1660 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1662 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1663 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1664 gdb_cv_c_long_double=yes,
1665 gdb_cv_c_long_double=no)])
1666 if test $gdb_cv_c_long_double = yes; then
1667 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1668 [Define to 1 if the compiler supports long double.])
1671 # Check if the compiler and runtime support printing long doubles.
1673 AC_CACHE_CHECK([for long double support in printf],
1674 gdb_cv_printf_has_long_double,
1675 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1677 long double f = 3.141592653;
1678 sprintf (buf, "%Lg", f);
1679 return (strncmp ("3.14159", buf, 7));]])],
1680 gdb_cv_printf_has_long_double=yes,
1681 gdb_cv_printf_has_long_double=no,
1682 gdb_cv_printf_has_long_double=no)])
1683 if test $gdb_cv_printf_has_long_double = yes; then
1684 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1685 [Define to 1 if the "%Lg" format works to print long doubles.])
1688 # Check if the compiler and runtime support scanning long doubles.
1690 AC_CACHE_CHECK([for long double support in scanf],
1691 gdb_cv_scanf_has_long_double,
1692 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1693 [[#include <stdio.h>]],
1694 [[char *buf = "3.141592653";
1696 sscanf (buf, "%Lg", &f);
1697 return !(f > 3.14159 && f < 3.14160);]])],
1698 gdb_cv_scanf_has_long_double=yes,
1699 gdb_cv_scanf_has_long_double=no,
1700 gdb_cv_scanf_has_long_double=no)])
1701 if test $gdb_cv_scanf_has_long_double = yes; then
1702 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1703 [Define to 1 if the "%Lg" format works to scan long doubles.])
1708 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1709 SAVE_LDFLAGS=$LDFLAGS
1712 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1713 *) gdb_cv_bigtoc=-bbigtoc ;;
1716 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1717 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1718 LDFLAGS="${SAVE_LDFLAGS}"
1720 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1724 AC_MSG_CHECKING(for the dynamic export flag)
1726 if test "${gdb_native}" = yes; then
1727 # The dynamically loaded libthread_db needs access to symbols in the gdb
1728 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1729 # may not be supported there.
1730 old_LDFLAGS="$LDFLAGS"
1731 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1732 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1733 LDFLAGS="$LDFLAGS $RDYNAMIC"
1734 if test "${have_libpython}" = no; then
1735 AC_TRY_LINK([], [], [dynamic_list=true])
1737 # Workaround http://bugs.python.org/issue4434 where static
1738 # libpythonX.Y.a would get its symbols required for
1739 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1740 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1742 # Note the workaround for Python
1743 # http://bugs.python.org/issue10112 earlier has removed
1744 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1745 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1747 old_CFLAGS="$CFLAGS"
1748 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1750 LIBS="$LIBS $PYTHON_LIBS"
1751 old_CPPFLAGS="$CPPFLAGS"
1752 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1755 [#include "Python.h"],
1758 err = PyRun_SimpleString ("import itertools\n");
1760 return err == 0 ? 0 : 1;]),
1761 [dynamic_list=true], [], [true])
1763 CFLAGS="$old_CFLAGS"
1764 CPPFLAGS="$old_CPPFLAGS"
1766 LDFLAGS="$old_LDFLAGS"
1768 if $dynamic_list; then
1769 found="-Wl,--dynamic-list"
1770 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1773 RDYNAMIC="-rdynamic"
1776 AC_MSG_RESULT($found)
1778 dnl For certain native configurations, we need to check whether thread
1779 dnl support can be built in or not.
1781 dnl Note that we only want this if we are both native (host == target),
1782 dnl and not doing a canadian cross build (build == host).
1784 if test ${build} = ${host} -a ${host} = ${target} ; then
1787 AC_MSG_CHECKING(for AiX thread debugging library)
1788 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1789 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1790 [#ifndef PTHDB_VERSION_3
1793 gdb_cv_have_aix_thread_debug=yes,
1794 gdb_cv_have_aix_thread_debug=no)])
1795 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1796 if test $gdb_cv_have_aix_thread_debug = yes; then
1797 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1798 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1799 LIBS="$LIBS -lpthdebug"
1801 # Older versions of AIX do not provide the declaration for
1802 # the getthrds function (it appears that it was introduced
1804 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1808 AC_SUBST(CONFIG_LDFLAGS)
1811 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1812 dnl other error codes.
1813 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1814 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1815 gdb_cv_thread_db_h_has_td_notalloc,
1817 [#include <thread_db.h>],
1818 [int i = TD_NOTALLOC;],
1819 gdb_cv_thread_db_h_has_td_notalloc=yes,
1820 gdb_cv_thread_db_h_has_td_notalloc=no
1823 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1824 gdb_cv_thread_db_h_has_td_version,
1826 [#include <thread_db.h>],
1827 [int i = TD_VERSION;],
1828 gdb_cv_thread_db_h_has_td_version=yes,
1829 gdb_cv_thread_db_h_has_td_version=no
1832 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1833 gdb_cv_thread_db_h_has_td_notls,
1835 [#include <thread_db.h>],
1836 [int i = TD_NOTLS;],
1837 gdb_cv_thread_db_h_has_td_notls=yes,
1838 gdb_cv_thread_db_h_has_td_notls=no
1842 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1843 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1844 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1846 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1847 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1848 [Define if <thread_db.h> has the TD_VERSION error code.])
1850 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1851 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1852 [Define if <thread_db.h> has the TD_NOTLS error code.])
1855 dnl Check if we can disable the virtual address space randomization.
1856 dnl The functionality of setarch -R.
1857 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1858 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1859 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1860 # define ADDR_NO_RANDOMIZE 0x0040000
1862 /* Test the flag could be set and stays set. */
1863 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1864 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1866 AC_RUN_IFELSE([PERSONALITY_TEST],
1867 [have_personality=true],
1868 [have_personality=false],
1869 [AC_LINK_IFELSE([PERSONALITY_TEST],
1870 [have_personality=true],
1871 [have_personality=false])])
1872 if $have_personality
1874 AC_DEFINE([HAVE_PERSONALITY], 1,
1875 [Define if you support the personality syscall.])
1878 dnl Set the host's .gdbinit filename.
1887 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1889 dnl Handle optional features that can be enabled.
1891 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1892 # except that the argument to --with-sysroot is optional.
1893 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1894 if test "x$with_sysroot" = xyes; then
1895 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1897 AC_ARG_WITH(sysroot,
1898 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1899 [search for usr/lib et al within DIR]),
1900 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1901 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1902 [search for usr/lib et al within DIR])
1903 AC_SUBST(TARGET_SYSTEM_ROOT)
1904 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1906 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1907 [automatically load a system-wide gdbinit file],
1912 # In the Cygwin environment, we need some additional flags.
1913 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1914 [AC_EGREP_CPP(^lose$, [
1915 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1917 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1920 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1921 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1923 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1924 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1925 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1927 AC_SUBST(SER_HARDWIRE)
1929 # libreadline needs libuser32.a in a cygwin environment
1931 if test x$gdb_cv_os_cygwin = xyes; then
1932 WIN32LIBS="-luser32"
1934 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1939 # The ser-tcp.c module requires sockets.
1942 AC_DEFINE(USE_WIN32API, 1,
1943 [Define if we should use the Windows API, instead of the
1944 POSIX API. On Windows, we use the Windows API when
1945 building for MinGW, but the POSIX API when building
1947 WIN32LIBS="$WIN32LIBS -lws2_32"
1952 # Add ELF support to GDB, but only if BFD includes ELF support.
1953 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1954 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1955 if test $gdb_cv_var_elf = yes; then
1956 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1957 AC_DEFINE(HAVE_ELF, 1,
1958 [Define if ELF support should be included.])
1959 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1960 if test "$plugins" = "yes"; then
1961 AC_SEARCH_LIBS(dlopen, dl)
1965 # Add macho support to GDB, but only if BFD includes it.
1966 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1967 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1968 if test $gdb_cv_var_macho = yes; then
1969 CONFIG_OBS="$CONFIG_OBS machoread.o"
1972 # Add any host-specific objects to GDB.
1973 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1975 # If building on ELF, look for lzma support for embedded compressed debug info.
1976 if test $gdb_cv_var_elf = yes; then
1978 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1979 [], [with_lzma=auto])
1980 AC_MSG_CHECKING([whether to use lzma])
1981 AC_MSG_RESULT([$with_lzma])
1983 if test "${with_lzma}" != no; then
1984 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1985 [lzma_index_iter iter;
1986 lzma_index_iter_init (&iter, 0);
1987 lzma_mf_is_supported (LZMA_MF_HC3);])
1988 if test "$HAVE_LIBLZMA" != yes; then
1989 if test "$with_lzma" = yes; then
1990 AC_MSG_ERROR([missing liblzma for --with-lzma])
1996 LIBGUI="../libgui/src/libgui.a"
1997 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1999 AC_SUBST(GUI_CFLAGS_X)
2003 AC_SUBST(WIN32LDAPP)
2006 *-*-cygwin* | *-*-mingw* )
2015 if test "${enable_gdbtk}" = "yes"; then
2017 # Gdbtk must have an absolute path to srcdir in order to run
2018 # properly when not installed.
2026 # If $no_tk is nonempty, then we can't do Tk, and there is no
2027 # point to doing Tcl.
2030 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2033 # Check for in-tree tcl
2040 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2044 # Find Tcl private headers
2045 if test x"${intree}" = xno; then
2046 CY_AC_TCL_PRIVATE_HEADERS
2047 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2048 TCL_LIBRARY="${TCL_LIB_SPEC}"
2051 # If building tcl in the same src tree, private headers
2052 # are not needed, but we need to be sure to use the right
2054 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2055 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2056 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2058 AC_SUBST(TCL_INCLUDE)
2059 AC_SUBST(TCL_LIBRARY)
2064 # Check for in-tree Tk
2066 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2070 # Find Tk private headers
2071 if test x"${intree}" = xno; then
2072 CY_AC_TK_PRIVATE_HEADERS
2073 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2074 TK_LIBRARY=${TK_LIB_SPEC}
2077 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2078 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2079 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2081 AC_SUBST(TK_INCLUDE)
2082 AC_SUBST(TK_LIBRARY)
2084 AC_SUBST(TK_XINCLUDES)
2086 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2088 # Include some libraries that Tcl and Tk want.
2089 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2090 # Yes, the ordering seems wrong here. But it isn't.
2091 # TK_LIBS is the list of libraries that need to be linked
2092 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2093 # were in LIBS then any link tests after this point would
2094 # try to include things like `$(LIBGUI)', which wouldn't work.
2095 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2097 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2098 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2099 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2100 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2101 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2102 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2103 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2105 if test x$gdb_cv_os_cygwin = xyes; then
2106 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2107 WIN32LDAPP="-Wl,--subsystem,console"
2108 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2111 AC_CONFIG_SUBDIRS(gdbtk)
2119 AC_SUBST(GDBTK_CFLAGS)
2120 AC_SUBST(GDBTK_SRC_DIR)
2124 # Unlike the sim directory, whether a simulator is linked is controlled by
2125 # presence of a gdb_sim definition in the target configure.tgt entry.
2126 # This code just checks for a few cases where we'd like to ignore those
2127 # definitions, even when they're present in the '.mt' file. These cases
2128 # are when --disable-sim is specified, or if the simulator directory is
2129 # not part of the source tree.
2132 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2133 [echo "enable_sim = $enable_sim";
2134 echo "enableval = ${enableval}";
2135 case "${enableval}" in
2136 yes) ignore_sim=false ;;
2137 no) ignore_sim=true ;;
2138 *) ignore_sim=false ;;
2142 if test ! -d "${srcdir}/../sim"; then
2148 if test "${ignore_sim}" = "false"; then
2149 if test x"${gdb_sim}" != x ; then
2151 SIM_OBS="remote-sim.o"
2152 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2154 # Some tdep code should only be compiled in when the ppc sim is
2155 # built. PR sim/13418.
2158 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2166 AC_SUBST(ENABLE_CFLAGS)
2167 AC_SUBST(PROFILE_CFLAGS)
2169 AC_SUBST(CONFIG_OBS)
2170 AC_SUBST(CONFIG_DEPS)
2171 AC_SUBST(CONFIG_SRCS)
2172 AC_SUBST(CONFIG_ALL)
2173 AC_SUBST(CONFIG_CLEAN)
2174 AC_SUBST(CONFIG_INSTALL)
2175 AC_SUBST(CONFIG_UNINSTALL)
2177 # List of host floatformats.
2178 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2179 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2180 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2182 # target_subdir is used by the testsuite to find the target libraries.
2184 if test "${host}" != "${target}"; then
2185 target_subdir="${target_alias}/"
2187 AC_SUBST(target_subdir)
2189 # Import nat definitions.
2190 nat_makefile_frag=/dev/null
2191 if test "${gdb_native}" = "yes"; then
2192 . ${srcdir}/configure.nat
2193 nativefile=$NAT_FILE
2197 AC_SUBST(NATDEPFILES)
2202 AC_SUBST(NAT_GENERATED_FILES)
2203 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2204 AC_SUBST_FILE(nat_makefile_frag)
2206 if test x"${gdb_osabi}" != x ; then
2207 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2208 [Define to the default OS ABI for this configuration.])
2211 # Enable multi-ice-gdb-server.
2212 AC_ARG_ENABLE(multi-ice,
2213 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2217 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2219 if test "x$enable_multi_ice" = xyes; then
2220 AC_CONFIG_SUBDIRS(multi-ice)
2223 AC_ARG_ENABLE(gdbserver,
2224 AS_HELP_STRING([--enable-gdbserver],
2225 [automatically build gdbserver (yes/no/auto, default is auto)]),
2226 [case "${enableval}" in
2228 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2229 esac],[enable_gdbserver=auto])
2231 # We only build gdbserver automatically in a native configuration, and
2232 # only if the user did not explicitly disable its build.
2233 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2234 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2235 if test "x$build_gdbserver" = xyes; then
2237 AC_CONFIG_SUBDIRS(gdbserver)
2238 gdbserver_build_enabled=yes
2244 # If the user explicitly request the gdbserver to be built, verify that
2245 # we were in fact able to enable it.
2246 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2247 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2250 # Check for babeltrace and babeltrace-ctf
2251 AC_ARG_WITH(babeltrace,
2252 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2253 [], [with_babeltrace=auto])
2254 AC_MSG_CHECKING([whether to use babeltrace])
2255 AC_MSG_RESULT([$with_babeltrace])
2257 if test "x$with_babeltrace" = "xno"; then
2258 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2260 # Append -Werror to CFLAGS so that configure can catch the warning
2261 # "assignment from incompatible pointer type", which is related to
2262 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2263 # in GDB, while babeltrace 1.0.3 is broken.
2264 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2265 # safe to save and restore CFLAGS here.
2266 saved_CFLAGS=$CFLAGS
2267 CFLAGS="$CFLAGS -Werror"
2268 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2269 [#include <babeltrace/babeltrace.h>
2270 #include <babeltrace/ctf/events.h>
2271 #include <babeltrace/ctf/iterator.h>],
2272 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2273 struct bt_ctf_event *event = NULL;
2274 const struct bt_definition *scope;
2276 pos->type = BT_SEEK_BEGIN;
2277 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2278 scope = bt_ctf_get_top_level_scope (event,
2279 BT_STREAM_EVENT_HEADER);
2280 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2282 CFLAGS=$saved_CFLAGS
2284 if test "$HAVE_LIBBABELTRACE" != yes; then
2285 if test "$with_babeltrace" = yes; then
2286 AC_MSG_ERROR([babeltrace is missing or unusable])
2288 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2293 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2300 if test "${nativefile}" != ""; then
2301 case "${nativefile}" in
2302 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2303 * ) GDB_NM_FILE="${nativefile}"
2305 files="${files} ${GDB_NM_FILE}"
2306 links="${links} nm.h"
2307 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2309 AC_SUBST(GDB_NM_FILE)
2311 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2312 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2313 if test "x$USE_MAINTAINER_MODE" = xyes; then
2314 if test "${XSLTPROC}" = missing; then
2315 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2320 AC_LINK_FILES($files, $links)
2322 dnl Check for exe extension set on certain hosts (e.g. Win32)
2325 dnl Detect the character set used by this host.
2326 dnl At the moment, we just assume it's UTF-8.
2327 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2328 [Define to be a string naming the default host character set.])
2330 if $development; then
2331 AC_DEFINE(GDB_SELF_TEST, 1,
2332 [Define if self-testing features should be enabled])
2333 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS)"
2334 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS)"
2337 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2338 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2339 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2340 AC_CONFIG_FILES([Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile],
2342 case x$CONFIG_HEADERS in
2343 xconfig.h:config.in)