1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2014 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 . $srcdir/../bfd/development.sh
30 AC_USE_SYSTEM_EXTENSIONS
39 # Dependency checking.
41 ZW_PROG_COMPILER_DEPENDENCIES([CC])
43 # Check for the 'make' the user wants to use.
44 AC_CHECK_PROGS(MAKE, make)
46 case "`$MAKE --version 2>&1 | sed 1q`" in
51 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
54 # Configure gnulib. We need to build gnulib under some other
55 # directory not "gnulib", to avoid the problem of both GDB and
56 # GDBserver wanting to build it in the same directory, when building
58 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
60 dnl List of object files and targets accumulated by configure.
72 dnl Set up for gettext.
73 ZW_GNU_GETTEXT_SISTER_DIR
75 localedir='${datadir}/locale'
78 if test x"$USE_NLS" = xyes; then
79 CONFIG_ALL="$CONFIG_ALL all-po"
80 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
81 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
82 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
85 GNULIB=build-gnulib/import
87 # For Makefile dependencies.
89 if test x"$STDINT_H" != x; then
90 GNULIB_STDINT_H=$GNULIB/$STDINT_H
92 AC_SUBST(GNULIB_STDINT_H)
95 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
98 # We never need to detect it in this sub-configure.
99 # But preserve it for config.status --recheck.
101 [Parent configure detects if it is of sufficient version.])
102 AC_ARG_VAR(MAKEINFOFLAGS,
103 [Parameters for MAKEINFO.])
105 MAKEINFO_EXTRA_FLAGS=""
106 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
107 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
108 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
109 gdb_cv_have_makeinfo_click=yes
111 gdb_cv_have_makeinfo_click=no
113 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
114 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
116 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
118 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
119 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
122 # We can't pass paths as command line arguments.
123 # Mingw32 tries to be clever and will convert the paths for us.
124 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
125 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
126 # This breaks GDB's relocatable path conversions since paths passed in
127 # config.h would not get so translated, the path prefixes no longer match.
128 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
130 # GDB's datadir relocation
132 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
133 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
136 AC_ARG_WITH(relocated-sources,
137 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
138 [reloc_srcdir="${withval}"
139 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
140 [Relocated directory for source files. ])
143 AC_MSG_CHECKING([for default auto-load directory])
144 AC_ARG_WITH(auto-load-dir,
145 AS_HELP_STRING([--with-auto-load-dir=PATH],
146 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
147 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
148 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
149 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
150 [Directories from which to load auto-loaded scripts.])
151 AC_MSG_RESULT([$with_auto_load_dir])
153 AC_MSG_CHECKING([for default auto-load safe-path])
154 AC_ARG_WITH(auto-load-safe-path,
155 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
156 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
157 AS_HELP_STRING([--without-auto-load-safe-path],
158 [do not restrict auto-loaded files locations]),
159 [if test "$with_auto_load_safe_path" = "no"; then
160 with_auto_load_safe_path="/"
162 [with_auto_load_safe_path="$with_auto_load_dir"])
163 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
164 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
165 [Directories safe to hold auto-loaded files.])
166 AC_MSG_RESULT([$with_auto_load_safe_path])
168 AC_CONFIG_SUBDIRS(testsuite)
170 # Check whether to support alternative target configurations
171 AC_ARG_ENABLE(targets,
172 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
173 [case "${enableval}" in
174 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
176 no) enable_targets= ;;
177 *) enable_targets=$enableval ;;
180 # Check whether to enable 64-bit support on 32-bit hosts
181 AC_ARG_ENABLE(64-bit-bfd,
182 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
183 [case "${enableval}" in
186 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
187 esac],[want64=false])dnl
189 # Provide defaults for some variables set by the per-host and per-target
191 gdb_host_obs=posix-hdep.o
193 if test "${target}" = "${host}"; then
199 . $srcdir/configure.host
201 # Accumulate some settings from configure.tgt over all enabled targets
205 HAVE_NATIVE_GCORE_TARGET=
207 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
209 if test "$targ_alias" = "all"; then
212 # Canonicalize the secondary target names.
213 result=`$ac_config_sub $targ_alias 2>/dev/null`
214 if test -n "$result"; then
220 . ${srcdir}/configure.tgt
222 AS_IF([test -z "${gdb_target_obs}"],
223 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
225 # Target-specific object files
226 for i in ${gdb_target_obs}; do
227 case " $TARGET_OBS " in
230 TARGET_OBS="$TARGET_OBS ${i}"
235 # Check whether this target needs 64-bit CORE_ADDR
236 if test x${want64} = xfalse; then
237 . ${srcdir}/../bfd/config.bfd
240 # Check whether this target is native and supports gcore.
241 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
242 && $gdb_have_gcore; then
243 HAVE_NATIVE_GCORE_TARGET=1
248 if test x${all_targets} = xtrue; then
250 # We want all 64-bit targets if we either:
251 # - run on a 64-bit host or
252 # - already require 64-bit support for some other target or
253 # - the --enable-64-bit-bfd option was supplied
254 # Otherwise we only support all 32-bit targets.
256 # NOTE: This test must be in sync with the corresponding
259 if test x${want64} = xfalse; then
260 AC_CHECK_SIZEOF(long)
261 if test "x${ac_cv_sizeof_long}" = "x8"; then
265 if test x${want64} = xtrue; then
266 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
268 TARGET_OBS='$(ALL_TARGET_OBS)'
273 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
275 # For other settings, only the main target counts.
279 targ=$target; . ${srcdir}/configure.tgt
281 # Fetch the default architecture and default target vector from BFD.
282 targ=$target; . $srcdir/../bfd/config.bfd
284 # We only want the first architecture, so strip off the others if
285 # there is more than one.
286 targ_archs=`echo $targ_archs | sed 's/ .*//'`
288 if test "x$targ_archs" != x; then
289 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
290 [Define to BFD's default architecture. ])
292 if test "x$targ_defvec" != x; then
293 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
294 [Define to BFD's default target vector. ])
297 # The CLI cannot be disabled yet, but may be in the future.
300 AC_ARG_ENABLE(gdbcli,
301 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
306 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
308 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
311 if test x"$enable_gdbcli" = xyes; then
312 if test -d $srcdir/cli; then
313 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
314 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
315 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
316 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
322 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
327 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
330 if test x"$enable_gdbmi" = xyes; then
331 if test -d $srcdir/mi; then
332 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
333 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
334 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
335 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
341 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
346 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
347 esac],enable_tui=auto)
351 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
356 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
358 [if test -d $srcdir/gdbtk; then
363 # We unconditionally disable gdbtk tests on selected platforms.
366 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
370 # Libunwind support for ia64.
372 AC_ARG_WITH(libunwind-ia64,
373 AS_HELP_STRING([--with-libunwind-ia64],
374 [use libunwind frame unwinding for ia64 targets]),,
375 [with_libunwind_ia64=auto])
377 # Backward compatibility option.
378 if test "${with_libunwind+set}" = set; then
379 if test x"$with_libunwind_ia64" != xauto; then
381 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
383 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
384 with_libunwind_ia64="$with_libunwind"
387 case "$with_libunwind_ia64" in
391 AC_CHECK_HEADERS(libunwind-ia64.h)
392 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
396 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
400 if test x"$with_libunwind_ia64" = xyes; then
401 AC_CHECK_HEADERS(libunwind-ia64.h)
402 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
403 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
405 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
406 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
407 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
411 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
414 if test "$opt_curses" = "yes"; then
419 AC_ARG_ENABLE(profiling,
420 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
425 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
427 [enable_profiling=no])
429 AC_CHECK_FUNCS(monstartup _mcleanup)
430 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
435 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
436 if test $ac_cv_var__etext = yes; then
437 AC_DEFINE(HAVE__ETEXT, 1,
438 [Define to 1 if your system has the _etext variable. ])
440 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
445 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
446 if test $ac_cv_var_etext = yes; then
447 AC_DEFINE(HAVE_ETEXT, 1,
448 [Define to 1 if your system has the etext variable. ])
450 if test "$enable_profiling" = yes ; then
451 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
452 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
456 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
458 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
459 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
460 ac_cv_cc_supports_pg=no)])
462 if test $ac_cv_cc_supports_pg = no; then
463 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
469 ACX_PKGVERSION([GDB])
470 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
471 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
472 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
474 # --------------------- #
475 # Checks for programs. #
476 # --------------------- #
484 AC_CHECK_TOOL(AR, ar)
485 AC_CHECK_TOOL(DLLTOOL, dlltool)
486 AC_CHECK_TOOL(WINDRES, windres)
490 # Needed for GNU Hurd hosts.
491 AC_CHECK_TOOL(MIG, mig)
492 if test x"$MIG" = x; then
493 AC_MSG_ERROR([MIG not found but required for $host hosts])
498 # ---------------------- #
499 # Checks for libraries. #
500 # ---------------------- #
502 # We might need to link with -lm; most simulators need it.
503 AC_CHECK_LIB(m, main)
505 # We need to link with -lw to get `wctype' on Solaris before Solaris
506 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
507 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
508 # is known to have this problem). Therefore we avoid libw if we can.
509 AC_CHECK_FUNC(wctype, [],
510 [AC_CHECK_LIB(w, wctype)])
512 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
513 AC_SEARCH_LIBS(gethostbyname, nsl)
515 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
516 AC_SEARCH_LIBS(socketpair, socket)
518 # Link in zlib if we can. This allows us to read compressed debug sections.
521 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
522 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
526 # GDB may fork/exec the iconv program to get the list of supported character
527 # sets. Allow the user to specify where to find it.
528 # There are several factors affecting the choice of option name:
529 # - There is already --with-libiconv-prefix but we can't use it, it specifies
530 # the build-time location of libiconv files.
531 # - The program we need to find is iconv, which comes with glibc. The user
532 # doesn't necessarily have libiconv installed. Therefore naming this
533 # --with-libiconv-foo feels wrong.
534 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
535 # defined to work on directories not files (though it really doesn't know
537 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
538 # with --with-libiconv-prefix.
539 # Putting these together is why the option name is --with-iconv-bin.
541 AC_ARG_WITH(iconv-bin,
542 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
543 [iconv_bin="${withval}"
544 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
545 [Path of directory of iconv program.])
546 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
549 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
550 # There is a very specific comment in /usr/include/curses.h explaining that
551 # termcap routines built into libcurses must not be used.
553 # The symptoms we observed so far is GDB unexpectedly changing
554 # the terminal settings when tgetent is called - this is particularly
555 # visible as the output is missing carriage returns, and so rapidly
556 # becomes very hard to read.
558 # The readline configure script has already decided that libtermcap
559 # was enough for its purposes, and so decided to build readline using
560 # libtermcap. Since the TUI mode requires curses, building GDB with
561 # TUI enabled results in both libraries to be used at the same time,
562 # which is not allowed. This basically means that GDB with TUI is
563 # broken on alpha-osf.
567 if test x"$enable_tui" = xyes; then
568 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
570 if test x"$enable_tui" = xauto; then
576 # For the TUI, we need enhanced curses functionality.
577 if test x"$enable_tui" != xno; then
582 if test x"$prefer_curses" = xyes; then
583 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
584 # curses library because the latter might not provide all the
585 # functionality we need. However, this leads to problems on systems
586 # where the linker searches /usr/local/lib, but the compiler doesn't
587 # search /usr/local/include, if ncurses is installed in /usr/local. A
588 # default installation of ncurses on alpha*-dec-osf* will lead to such
590 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
592 if test "$ac_cv_search_waddstr" != no; then
597 # Check whether we should enable the TUI, but only do so if we really
599 if test x"$enable_tui" != xno; then
600 if test -d $srcdir/tui; then
601 if test "$curses_found" != no; then
602 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
603 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
604 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
605 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
607 if test x"$enable_tui" = xyes; then
608 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
610 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
616 # Since GDB uses Readline, we need termcap functionality. In many
617 # cases this will be provided by the curses library, but some systems
618 # have a seperate termcap library, or no curses library at all.
622 if test -d $srcdir/libtermcap; then
623 LIBS="../libtermcap/libtermcap.a $LIBS"
624 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
627 ac_cv_search_tgetent="none required"
630 ac_cv_search_tgetent="none required"
631 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
635 # These are the libraries checked by Readline.
636 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
638 if test "$ac_cv_search_tgetent" = no; then
639 AC_MSG_ERROR([no termcap library found])
642 AC_ARG_WITH([system-readline],
643 [AS_HELP_STRING([--with-system-readline],
644 [use installed readline library])])
646 if test "$with_system_readline" = yes; then
650 READLINE_TEXI_INCFLAG=
652 READLINE='$(READLINE_DIR)/libreadline.a'
653 READLINE_DEPS='$(READLINE)'
654 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
655 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
658 AC_SUBST(READLINE_DEPS)
659 AC_SUBST(READLINE_CFLAGS)
660 AC_SUBST(READLINE_TEXI_INCFLAG)
662 # Generate jit-reader.h
664 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
667 AC_CHECK_SIZEOF(unsigned long long)
668 AC_CHECK_SIZEOF(unsigned long)
669 AC_CHECK_SIZEOF(unsigned __int128)
671 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
672 TARGET_PTR="unsigned long"
673 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
674 TARGET_PTR="unsigned long long"
675 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
676 TARGET_PTR="unsigned __int128"
678 TARGET_PTR="unsigned long"
682 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
684 AC_SEARCH_LIBS(dlopen, dl)
686 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
687 [directory to load the JIT readers from],
691 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
692 [], [with_expat=auto])
693 AC_MSG_CHECKING([whether to use expat])
694 AC_MSG_RESULT([$with_expat])
696 if test "${with_expat}" = no; then
697 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
700 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
701 [XML_Parser p = XML_ParserCreate (0);])
702 if test "$HAVE_LIBEXPAT" != yes; then
703 if test "$with_expat" = yes; then
704 AC_MSG_ERROR([expat is missing or unusable])
706 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
710 LIBS="$LIBS $LIBEXPAT"
711 AC_CHECK_FUNCS(XML_StopParser)
716 # --------------------- #
717 # Check for libpython. #
718 # --------------------- #
720 dnl Utility to simplify finding libpython.
722 dnl $2 = the shell variable to assign the result to
723 dnl If libpython is found we store $version here.
724 dnl $3 = additional flags to add to CPPFLAGS
725 dnl $4 = additional flags to add to LIBS
727 AC_DEFUN([AC_TRY_LIBPYTHON],
730 define([have_libpython_var],$2)
733 AC_MSG_CHECKING([for ${version}])
734 save_CPPFLAGS=$CPPFLAGS
736 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
737 LIBS="$LIBS $new_LIBS"
738 found_usable_python=no
739 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
740 [[Py_Initialize ();]]),
741 [have_libpython_var=${version}
742 found_usable_python=yes
743 PYTHON_CPPFLAGS=$new_CPPFLAGS
744 PYTHON_LIBS=$new_LIBS])
745 CPPFLAGS=$save_CPPFLAGS
747 AC_MSG_RESULT([${found_usable_python}])
750 dnl There are several different values for --with-python:
752 dnl no - Don't include python support.
753 dnl yes - Include python support, error if it's missing.
754 dnl If we find python in $PATH, use it to fetch configure options,
755 dnl otherwise assume the compiler can find it with no help from us.
756 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
757 dnl auto - Same as "yes", but if python is missing from the system,
758 dnl fall back to "no".
759 dnl /path/to/python/exec-prefix -
760 dnl Use the python located in this directory.
761 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
762 dnl the compilation parameters. Otherwise use
763 dnl -I/path/to/python/exec-prefix/include,
764 dnl -L/path/to/python/exec-prefix/lib.
765 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
766 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
767 dnl but is deprecated.
768 dnl /path/to/python/executable -
769 dnl Run python-config.py with this version of python to fetch the
770 dnl compilation parameters.
771 dnl NOTE: This needn't be the real python executable.
772 dnl In a cross-compilation scenario (build != host), this could be
773 dnl a shell script that provides what python-config.py provides for
774 dnl --ldflags, --includes, --exec-prefix.
775 dnl python-executable -
776 dnl Find python-executable in $PATH, and then handle the same as
777 dnl /path/to/python/executable.
779 dnl If a python program is specified, it is used to run python-config.py and
780 dnl is passed --ldflags, --includes, --exec-prefix.
783 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
784 [], [with_python=auto])
785 AC_MSG_CHECKING([whether to use python])
786 AC_MSG_RESULT([$with_python])
788 if test "${with_python}" = no; then
789 AC_MSG_WARN([python support disabled; some features may be unavailable.])
792 case "${with_python}" in
793 [[\\/]]* | ?:[[\\/]]*)
794 if test -d ${with_python}; then
795 # Assume the python binary is ${with_python}/bin/python.
796 python_prog="${with_python}/bin/python"
798 # If python does not exit ${with_python}/bin, then try in
799 # ${with_python}. On Windows/MinGW, this is where the Python
801 if test ! -x "${python_prog}"; then
802 python_prog="${with_python}/python"
805 if test ! -x "${python_prog}"; then
806 # Fall back to gdb 7.0/7.1 behaviour.
808 python_prefix=${with_python}
810 elif test -x "${with_python}"; then
811 # While we can't run python compiled for $host (unless host == build),
812 # the user could write a script that provides the needed information,
813 # so we support that.
814 python_prog=${with_python}
817 AC_ERROR(invalid value for --with-python)
821 # Disallow --with-python=foo/bar.
822 AC_ERROR(invalid value for --with-python)
825 # The user has either specified auto, yes, or the name of the python
826 # program assumed to be in $PATH.
828 case "${with_python}" in
830 if test ${build} = ${host}; then
831 AC_PATH_PROG(python_prog_path, python, missing)
832 if test "${python_prog_path}" = missing; then
835 python_prog=${python_prog_path}
838 # Not much we can do except assume the cross-compiler will find the
844 # While we can't run python compiled for $host (unless host == build),
845 # the user could write a script that provides the needed information,
846 # so we support that.
847 python_prog="${with_python}"
848 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
849 if test "${python_prog_path}" = missing; then
850 AC_ERROR(unable to find python program ${python_prog})
856 if test "${python_prog}" != missing; then
857 # We have a python program to use, but it may be too old.
858 # Don't flag an error for --with-python=auto (the default).
859 have_python_config=yes
860 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
861 if test $? != 0; then
862 have_python_config=failed
863 if test "${with_python}" != auto; then
864 AC_ERROR(failure running python-config --includes)
867 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
868 if test $? != 0; then
869 have_python_config=failed
870 if test "${with_python}" != auto; then
871 AC_ERROR(failure running python-config --ldflags)
874 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
875 if test $? != 0; then
876 have_python_config=failed
877 if test "${with_python}" != auto; then
878 AC_ERROR(failure running python-config --exec-prefix)
882 # We do not have a python executable we can use to determine where
883 # to find the Python headers and libs. We cannot guess the include
884 # path from the python_prefix either, because that include path
885 # depends on the Python version. So, there is nothing much we can
886 # do except assume that the compiler will be able to find those files.
889 have_python_config=no
892 # If we have python-config, only try the configuration it provides.
893 # Otherwise fallback on the old way of trying different versions of
897 if test "${have_python_config}" = yes; then
898 # Determine the Python version by extracting "-lpython<version>"
899 # part of the python_libs. <version> is usually X.Y with X and Y
900 # being decimal numbers, but can also be XY (seen on Windows).
902 # The extraction is performed using sed with a regular expression.
903 # Initially, the regexp used was using the '?' quantifier to make
904 # the dot in the version number optional. Unfortunately, this
905 # does not work with non-GNU versions of sed because, because of
906 # what looks like a limitation (the '?' quantifier does not work
907 # with back-references). We work around this limitation by using
908 # the '*' quantifier instead. It means that, in theory, we might
909 # match unexpected version strings such as "-lpython2..7", but
910 # this seems unlikely in practice. And even if that happens,
911 # an error will be triggered later on, when checking that version
913 python_version=`echo " ${python_libs} " \
914 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
915 case "${python_version}" in
917 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
918 ${python_includes}, ${python_libs})
921 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
924 elif test "${have_python_config}" != failed; then
925 if test "${have_libpython}" = no; then
926 AC_TRY_LIBPYTHON(python2.7, have_libpython,
927 ${python_includes}, "${python_libs} -lpython2.7")
929 if test "${have_libpython}" = no; then
930 AC_TRY_LIBPYTHON(python2.6, have_libpython,
931 ${python_includes}, "${python_libs} -lpython2.6")
933 if test ${have_libpython} = no; then
934 AC_TRY_LIBPYTHON(python2.5, have_libpython,
935 ${python_includes}, "${python_libs} -lpython2.5")
937 if test ${have_libpython} = no; then
938 AC_TRY_LIBPYTHON(python2.4, have_libpython,
939 ${python_includes}, "${python_libs} -lpython2.4")
942 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
943 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
944 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
945 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
946 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
947 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
948 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
949 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
952 if test "${have_libpython}" = no; then
953 case "${with_python}" in
955 AC_MSG_ERROR([python is missing or unusable])
958 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
961 AC_MSG_ERROR([no usable python found at ${with_python}])
965 if test -n "${python_prefix}"; then
966 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
967 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
968 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
973 if test "${have_libpython}" != no; then
974 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
975 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
976 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
977 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
978 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
979 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
981 # Flags needed to compile Python code (taken from python-config --cflags).
982 # We cannot call python-config directly because it will output whatever was
983 # used when compiling the Python interpreter itself, including flags which
984 # would make the python-related objects be compiled differently from the
985 # rest of GDB (e.g., -O2 and -fPIC).
986 if test "${GCC}" = yes; then
987 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
990 if test "x${tentative_python_cflags}" != x; then
991 AC_MSG_CHECKING(compiler flags for python code)
992 for flag in ${tentative_python_cflags}; do
993 # Check that the compiler accepts it
994 saved_CFLAGS="$CFLAGS"
995 CFLAGS="$CFLAGS $flag"
996 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
997 CFLAGS="$saved_CFLAGS"
999 AC_MSG_RESULT(${PYTHON_CFLAGS})
1002 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
1004 # #define siginfo __siginfo
1006 # The problem is that including Python causes some XOPEN macros to be
1007 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
1008 # to false. So, we work around this issue by defining siginfo ourself
1009 # though the command-line.
1011 # On x64 Windows, Python's include headers, and pyconfig.h in
1012 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
1013 # version of Windows. Unfortunately, MS_WIN64 is only defined if
1014 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
1015 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
1016 # The issue was reported to the Python community, but still isn't
1017 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1020 irix*) if test "${GCC}" = yes; then
1021 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
1025 if test "${GCC}" = yes; then
1026 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1031 # Note that "python -m threading" cannot be used to check for
1032 # threading support due to a bug in Python 2.7.3
1033 # (http://bugs.python.org/issue15567).
1034 AC_MSG_CHECKING(whether python supports threads)
1035 saved_CPPFLAGS="${CPPFLAGS}"
1036 CPPFLAGS="${PYTHON_CPPFLAGS}"
1037 # Note that the test is reversed so that python_has_threads=yes on
1038 # unexpected failures.
1039 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1044 ]]), [python_has_threads=no], [python_has_threads=yes])
1045 AC_MSG_RESULT(${python_has_threads})
1046 CPPFLAGS="${saved_CPPFLAGS}"
1048 # Even if Python support is not compiled in, we need to have this file
1049 # included so that the "python" command, et.al., still exists.
1050 CONFIG_OBS="$CONFIG_OBS python.o"
1051 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1053 AC_SUBST(PYTHON_CFLAGS)
1054 AC_SUBST(PYTHON_CPPFLAGS)
1055 AC_SUBST(PYTHON_LIBS)
1056 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1058 # -------------------- #
1059 # Check for libguile. #
1060 # -------------------- #
1062 dnl Utility to simplify finding libguile.
1063 dnl $1 = pkg-config-program
1064 dnl $2 = space-separate list of guile versions to try
1065 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1066 dnl $4 = the shell variable to assign the result to
1067 dnl If libguile is found we store "yes" here.
1069 AC_DEFUN([AC_TRY_LIBGUILE],
1072 guile_version_list=$2
1074 define([have_libguile_var],$4)
1075 found_usable_guile=checking
1076 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1077 for guile_version in ${guile_version_list}; do
1078 ${pkg_config} --exists ${guile_version} 2>/dev/null
1079 if test $? != 0; then
1082 dnl pkg-config says the package exists, so if we get an error now,
1084 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1085 if test $? != 0; then
1086 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1088 new_LIBS=`${pkg_config} --libs ${guile_version}`
1089 if test $? != 0; then
1090 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1092 dnl If we get this far, great.
1093 found_usable_guile=${guile_version}
1096 if test "${found_usable_guile}" = "checking"; then
1097 if test "${flag_errors}" = "yes"; then
1098 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1100 found_usable_guile=no
1103 dnl One final sanity check.
1104 dnl The user could have said --with-guile=python-2.7.
1105 if test "${found_usable_guile}" != no; then
1106 save_CPPFLAGS=$CPPFLAGS
1108 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1109 LIBS="$LIBS $new_LIBS"
1110 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1111 [[scm_init_guile ();]]),
1112 [have_libguile_var=yes
1113 GUILE_CPPFLAGS=$new_CPPFLAGS
1114 GUILE_LIBS=$new_LIBS],
1115 [found_usable_guile=no])
1116 CPPFLAGS=$save_CPPFLAGS
1118 if test "${found_usable_guile}" = no; then
1119 if test "${flag_errors}" = yes; then
1120 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1124 AC_MSG_RESULT([${found_usable_guile}])
1127 dnl There are several different values for --with-guile:
1129 dnl no - Don't include guile support.
1130 dnl yes - Include guile support, error if it's missing.
1131 dnl The pkg-config program must be in $PATH.
1132 dnl auto - Same as "yes", but if guile is missing from the system,
1133 dnl fall back to "no".
1134 dnl guile-version [guile-version-choice-2 ...] -
1135 dnl A space-separated list of guile package versions to try.
1136 dnl These are passed to pkg-config as-is.
1137 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1138 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1139 dnl /path/to/pkg-config -
1140 dnl Use this pkg-config program.
1141 dnl NOTE: This needn't be the "real" pkg-config program.
1142 dnl It could be a shell script. It is invoked as:
1143 dnl pkg-config --exists $version
1144 dnl pkg-config --cflags $version
1145 dnl pkg-config --libs $version
1146 dnl $version will be the default guile version (currently guile-2.0),
1147 dnl but the program is free to ignore this.
1150 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1151 [], [with_guile=auto])
1152 AC_MSG_CHECKING([whether to use guile])
1153 AC_MSG_RESULT([$with_guile])
1155 dnl We check guile with pkg-config.
1156 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1158 try_guile_versions="guile-2.2 guile-2.0"
1160 case "${with_guile}" in
1162 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1165 if test "${pkg_config_prog_path}" = "missing"; then
1166 AC_MSG_WARN([pkg-config not found, guile support disabled])
1168 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1172 if test "${pkg_config_prog_path}" = "missing"; then
1173 AC_MSG_ERROR([pkg-config not found])
1175 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1177 [[\\/]]* | ?:[[\\/]]*)
1178 if test -x "${with_guile}"; then
1179 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1181 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1185 # Disallow --with=guile="" and --with-guile=foo/bar.
1186 AC_MSG_ERROR([invalid value for --with-guile])
1189 # A space separate list of guile versions to try, in order.
1190 if test "${pkg_config_prog_path}" = "missing"; then
1191 AC_MSG_ERROR([pkg-config not found])
1193 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1197 if test "${have_libguile}" != no; then
1198 dnl Get the name of the 'guild' program.
1199 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1201 dnl Make sure guild can handle this host.
1202 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1203 dnl If not, disable guile support.
1204 if test "$ac_cv_guild_ok" = no; then
1206 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1210 if test "${have_libguile}" != no; then
1211 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1212 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1213 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1214 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1215 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1216 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1218 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1220 save_CPPFLAGS="$CPPFLAGS"
1222 CPPFLAGS="$GUILE_CPPFLAGS"
1223 AC_CHECK_FUNCS([scm_new_smob])
1225 CPPFLAGS="$save_CPPFLAGS"
1227 # Even if Guile support is not compiled in, we need to have these files
1229 CONFIG_OBS="$CONFIG_OBS guile.o"
1230 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1232 AC_SUBST(GUILE_CPPFLAGS)
1233 AC_SUBST(GUILE_LIBS)
1234 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1236 # PR 17185, see if we can get the libgc version to see if we need
1237 # to apply the workaround.
1238 AC_CHECK_HEADERS(gc/gc.h)
1239 AC_CHECK_FUNCS([setenv])
1241 # --------------------- #
1242 # Check for libmcheck. #
1243 # --------------------- #
1245 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1246 # but turn it off if Python is enabled with threads, since -lmcheck is
1247 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1249 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1250 && $development; then
1251 libmcheck_default=yes
1253 libmcheck_default=no
1255 GDB_AC_LIBMCHECK(${libmcheck_default})
1257 if test "$ENABLE_LIBMCHECK" = "yes" \
1258 -a "${have_libpython}" != "no" \
1259 -a "${python_has_threads}" = "yes" ; then
1260 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1263 # ------------------------- #
1264 # Checks for header files. #
1265 # ------------------------- #
1268 # elf_hp.h is for HP/UX 64-bit shared library support.
1269 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1272 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1273 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1274 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1275 termios.h termio.h \
1278 AC_CHECK_HEADERS(sys/proc.h, [], [],
1279 [#if HAVE_SYS_PARAM_H
1280 # include <sys/param.h>
1283 AC_CHECK_HEADERS(sys/user.h, [], [],
1284 [#if HAVE_SYS_PARAM_H
1285 # include <sys/param.h>
1289 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1290 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1291 # think that we don't have <curses.h> if we're using GCC.
1294 if test "$GCC" = yes; then
1295 AC_DEFINE(_MSE_INT_H, 1,
1296 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1297 Solaris 2.[789] when using GCC. ])
1300 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1301 AC_CHECK_HEADERS(term.h, [], [],
1303 # include <curses.h>
1307 # ------------------------- #
1308 # Checks for declarations. #
1309 # ------------------------- #
1311 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1314 # ----------------------- #
1315 # Checks for structures. #
1316 # ----------------------- #
1318 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1320 # ------------------ #
1321 # Checks for types. #
1322 # ------------------ #
1325 AC_CHECK_TYPES(socklen_t, [], [],
1326 [#include <sys/types.h>
1327 #include <sys/socket.h>
1330 # ------------------------------------- #
1331 # Checks for compiler characteristics. #
1332 # ------------------------------------- #
1338 # ------------------------------ #
1339 # Checks for library functions. #
1340 # ------------------------------ #
1345 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1346 pipe poll pread pread64 pwrite readlink resize_term \
1347 sbrk setpgid setpgrp setsid \
1348 sigaction sigprocmask sigsetmask socketpair \
1349 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1350 setrlimit getrlimit posix_madvise waitpid lstat \
1351 ptrace64 sigaltstack])
1355 # Check the return and argument types of ptrace. No canned test for
1356 # this, so roll our own.
1357 gdb_ptrace_headers='
1358 #include <sys/types.h>
1359 #if HAVE_SYS_PTRACE_H
1360 # include <sys/ptrace.h>
1363 # include <unistd.h>
1366 # There is no point in checking if we don't have a prototype.
1367 AC_CHECK_DECLS(ptrace, [], [
1368 : ${gdb_cv_func_ptrace_ret='int'}
1369 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1370 ], $gdb_ptrace_headers)
1371 # Check return type. Varargs (used on GNU/Linux) conflict with the
1372 # empty argument list, so check for that explicitly.
1373 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1374 AC_TRY_COMPILE($gdb_ptrace_headers,
1375 [extern long ptrace (enum __ptrace_request, ...);],
1376 gdb_cv_func_ptrace_ret='long',
1377 AC_TRY_COMPILE($gdb_ptrace_headers,
1378 [extern int ptrace ();],
1379 gdb_cv_func_ptrace_ret='int',
1380 gdb_cv_func_ptrace_ret='long')))
1381 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1382 [Define as the return type of ptrace.])
1383 # Check argument types.
1384 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1385 AC_TRY_COMPILE($gdb_ptrace_headers,
1386 [extern long ptrace (enum __ptrace_request, ...);],
1387 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1388 for gdb_arg1 in 'int' 'long'; do
1389 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1390 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1391 for gdb_arg4 in 'int' 'long' 'void *'; do
1392 AC_TRY_COMPILE($gdb_ptrace_headers, [
1393 extern $gdb_cv_func_ptrace_ret
1394 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1395 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1397 for gdb_arg5 in 'int *' 'int' 'long'; do
1398 AC_TRY_COMPILE($gdb_ptrace_headers, [
1399 extern $gdb_cv_func_ptrace_ret
1400 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1402 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1409 # Provide a safe default value.
1410 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1412 ac_save_IFS=$IFS; IFS=','
1413 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1416 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1417 [Define to the type of arg 3 for ptrace.])
1418 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4],
1419 [Define to the type of arg 4 for ptrace.])
1420 if test -n "$[5]"; then
1421 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1422 [Define to the type of arg 5 for ptrace.])
1425 dnl AC_FUNC_SETPGRP does not work when cross compiling
1426 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1427 if test "$cross_compiling" = no; then
1430 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1434 if (setpgrp(1,1) == -1)
1438 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1439 if test $ac_cv_func_setpgrp_void = yes; then
1440 AC_DEFINE(SETPGRP_VOID, 1)
1444 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1445 # since sigsetjmp might only be defined as a macro.
1446 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1449 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1450 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1451 if test $gdb_cv_func_sigsetjmp = yes; then
1452 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1455 # Assume we'll default to using the included libiberty regex.
1456 gdb_use_included_regex=yes
1458 # However, if the system regex is GNU regex, then default to *not*
1459 # using the included regex.
1462 [gdb_cv_have_gnu_regex],
1464 [#include <gnu-versions.h>],
1465 [#define REGEX_INTERFACE_VERSION 1
1466 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1467 # error "Version mismatch"
1469 gdb_cv_have_gnu_regex=yes,
1470 gdb_cv_have_gnu_regex=no)])
1471 if test $gdb_cv_have_gnu_regex = yes; then
1472 gdb_use_included_regex=no
1475 AC_ARG_WITH(included-regex,
1476 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1477 gdb_with_regex=$withval,
1478 gdb_with_regex=$gdb_use_included_regex)
1479 if test "$gdb_with_regex" = yes; then
1480 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1481 [Define to 1 if the regex included in libiberty should be used.])
1484 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1485 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1486 [#include <sys/param.h>
1487 #include <sys/proc.h>
1490 # See if <sys/lwp.h> defines `struct lwp`.
1491 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1492 [AC_TRY_COMPILE([#include <sys/param.h>
1493 #include <sys/lwp.h>], [struct lwp l;],
1494 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1495 if test $gdb_cv_struct_lwp = yes; then
1496 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1497 [Define to 1 if your system has struct lwp.])
1500 # See if <machine/reg.h> degines `struct reg'.
1501 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1502 [AC_TRY_COMPILE([#include <sys/types.h>
1503 #include <machine/reg.h>], [struct reg r;],
1504 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1505 if test $gdb_cv_struct_reg = yes; then
1506 AC_DEFINE(HAVE_STRUCT_REG, 1,
1507 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1510 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1511 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1512 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1513 [#include <machine/reg.h>])
1515 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1516 # Older amd64 Linux's don't have the fs_base and gs_base members of
1517 # `struct user_regs_struct'.
1518 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1519 [], [], [#include <sys/user.h>])
1521 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1522 AC_MSG_CHECKING(for PTRACE_GETREGS)
1523 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1524 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1526 [gdb_cv_have_ptrace_getregs=yes],
1527 [gdb_cv_have_ptrace_getregs=no])])
1528 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1529 if test $gdb_cv_have_ptrace_getregs = yes; then
1530 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1531 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1534 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1535 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1536 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1537 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1538 [PTRACE_GETFPXREGS;],
1539 [gdb_cv_have_ptrace_getfpxregs=yes],
1540 [gdb_cv_have_ptrace_getfpxregs=no])])
1541 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1542 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1543 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1544 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1547 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1548 AC_MSG_CHECKING(for PT_GETDBREGS)
1549 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1550 [AC_TRY_COMPILE([#include <sys/types.h>
1551 #include <sys/ptrace.h>],
1553 [gdb_cv_have_pt_getdbregs=yes],
1554 [gdb_cv_have_pt_getdbregs=no])])
1555 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1556 if test $gdb_cv_have_pt_getdbregs = yes; then
1557 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1558 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1561 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1562 AC_MSG_CHECKING(for PT_GETXMMREGS)
1563 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1564 [AC_TRY_COMPILE([#include <sys/types.h>
1565 #include <sys/ptrace.h>],
1567 [gdb_cv_have_pt_getxmmregs=yes],
1568 [gdb_cv_have_pt_getxmmregs=no])])
1569 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1570 if test $gdb_cv_have_pt_getxmmregs = yes; then
1571 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1572 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1575 # Detect which type of /proc is in use, such as for Solaris.
1577 if test "${target}" = "${host}"; then
1579 *-*-sysv4.2* | *-*-sysv5* )
1580 AC_DEFINE(NEW_PROC_API, 1,
1581 [Define if you want to use new multi-fd /proc interface.])
1583 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1584 AC_DEFINE(NEW_PROC_API, 1,
1585 [Define if you want to use new multi-fd /proc interface.])
1588 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1589 AC_DEFINE([_KMEMUSER], 1,
1590 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1591 around a <sys/proc.h> problem on IRIX 5.])
1596 if test "$ac_cv_header_sys_procfs_h" = yes; then
1597 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1598 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1599 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1600 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1601 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1602 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1603 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1604 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1605 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1606 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1607 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1610 dnl Check for broken prfpregset_t type
1612 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1613 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1614 dnl instead of the struct itself). We detect this here, and work
1615 dnl around it in gdb_proc_service.h.
1617 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1618 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1619 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1620 [AC_TRY_RUN([#include <sys/procfs.h>
1623 if (sizeof (prfpregset_t) == sizeof (void *))
1627 gdb_cv_prfpregset_t_broken=no,
1628 gdb_cv_prfpregset_t_broken=yes,
1629 gdb_cv_prfpregset_t_broken=yes)])
1630 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1631 if test $gdb_cv_prfpregset_t_broken = yes; then
1632 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1633 [Define if the prfpregset_t type is broken.])
1638 # Check if the compiler supports the `long long' type.
1640 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1641 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1642 [[extern long long foo;]],
1643 [[switch (foo & 2) { case 0: return 1; }]])],
1644 gdb_cv_c_long_long=yes,
1645 gdb_cv_c_long_long=no)])
1646 if test $gdb_cv_c_long_long != yes; then
1647 # libdecnumber requires long long.
1648 AC_MSG_ERROR([Compiler must support long long for GDB.])
1651 # Check if the compiler and runtime support printing long longs.
1653 AC_CACHE_CHECK([for long long support in printf],
1654 gdb_cv_printf_has_long_long,
1655 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1658 l = (l << 16) + 0x0123;
1659 l = (l << 16) + 0x4567;
1660 l = (l << 16) + 0x89ab;
1661 l = (l << 16) + 0xcdef;
1662 sprintf (buf, "0x%016llx", l);
1663 return (strcmp ("0x0123456789abcdef", buf));]])],
1664 gdb_cv_printf_has_long_long=yes,
1665 gdb_cv_printf_has_long_long=no,
1666 gdb_cv_printf_has_long_long=no)])
1667 if test $gdb_cv_printf_has_long_long = yes; then
1668 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1669 [Define to 1 if the "%ll" format works to print long longs.])
1672 # Check if the compiler and runtime support printing decfloats.
1674 AC_CACHE_CHECK([for decfloat support in printf],
1675 gdb_cv_printf_has_decfloat,
1676 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1678 _Decimal32 d32 = 1.2345df;
1679 _Decimal64 d64 = 1.2345dd;
1680 _Decimal128 d128 = 1.2345dl;
1681 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1682 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1683 gdb_cv_printf_has_decfloat=yes,
1684 gdb_cv_printf_has_decfloat=no,
1685 gdb_cv_printf_has_decfloat=no)])
1686 if test $gdb_cv_printf_has_decfloat = yes; then
1687 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1688 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1691 # Check if the compiler supports the `long double' type. We can't use
1692 # AC_C_LONG_DOUBLE because that one does additional checks on the
1693 # constants defined in <float.h> that fail on some systems,
1694 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1696 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1697 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1698 gdb_cv_c_long_double=yes,
1699 gdb_cv_c_long_double=no)])
1700 if test $gdb_cv_c_long_double = yes; then
1701 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1702 [Define to 1 if the compiler supports long double.])
1705 # Check if the compiler and runtime support printing long doubles.
1707 AC_CACHE_CHECK([for long double support in printf],
1708 gdb_cv_printf_has_long_double,
1709 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1711 long double f = 3.141592653;
1712 sprintf (buf, "%Lg", f);
1713 return (strncmp ("3.14159", buf, 7));]])],
1714 gdb_cv_printf_has_long_double=yes,
1715 gdb_cv_printf_has_long_double=no,
1716 gdb_cv_printf_has_long_double=no)])
1717 if test $gdb_cv_printf_has_long_double = yes; then
1718 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1719 [Define to 1 if the "%Lg" format works to print long doubles.])
1722 # Check if the compiler and runtime support scanning long doubles.
1724 AC_CACHE_CHECK([for long double support in scanf],
1725 gdb_cv_scanf_has_long_double,
1726 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1727 [[#include <stdio.h>]],
1728 [[char *buf = "3.141592653";
1730 sscanf (buf, "%Lg", &f);
1731 return !(f > 3.14159 && f < 3.14160);]])],
1732 gdb_cv_scanf_has_long_double=yes,
1733 gdb_cv_scanf_has_long_double=no,
1734 gdb_cv_scanf_has_long_double=no)])
1735 if test $gdb_cv_scanf_has_long_double = yes; then
1736 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1737 [Define to 1 if the "%Lg" format works to scan long doubles.])
1742 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1743 SAVE_LDFLAGS=$LDFLAGS
1746 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1747 *) gdb_cv_bigtoc=-bbigtoc ;;
1750 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1751 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1752 LDFLAGS="${SAVE_LDFLAGS}"
1754 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1758 AC_MSG_CHECKING(for the dynamic export flag)
1760 if test "${gdb_native}" = yes; then
1761 # The dynamically loaded libthread_db needs access to symbols in the gdb
1762 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1763 # may not be supported there.
1764 old_LDFLAGS="$LDFLAGS"
1765 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1766 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1767 LDFLAGS="$LDFLAGS $RDYNAMIC"
1768 if test "${have_libpython}" = no; then
1769 AC_TRY_LINK([], [], [dynamic_list=true])
1771 # Workaround http://bugs.python.org/issue4434 where static
1772 # libpythonX.Y.a would get its symbols required for
1773 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1774 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1775 old_CFLAGS="$CFLAGS"
1776 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1778 LIBS="$LIBS $PYTHON_LIBS"
1781 [#include "]${have_libpython}[/Python.h"],
1784 err = PyRun_SimpleString ("import itertools\n");
1786 return err == 0 ? 0 : 1;]),
1787 [dynamic_list=true], [], [true])
1789 CFLAGS="$old_CFLAGS"
1791 LDFLAGS="$old_LDFLAGS"
1793 if $dynamic_list; then
1794 found="-Wl,--dynamic-list"
1795 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1798 RDYNAMIC="-rdynamic"
1801 AC_MSG_RESULT($found)
1803 dnl For certain native configurations, we need to check whether thread
1804 dnl support can be built in or not.
1806 dnl Note that we only want this if we are both native (host == target),
1807 dnl and not doing a canadian cross build (build == host).
1809 if test ${build} = ${host} -a ${host} = ${target} ; then
1812 # See if thread_db library is around for Solaris thread debugging.
1813 # Note that we must explicitly test for version 1 of the library
1814 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1816 AC_MSG_CHECKING(for Solaris thread debugging library)
1817 if test -f /usr/lib/libthread_db.so.1 ; then
1819 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1820 [Define if using Solaris thread debugging.])
1821 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1822 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1823 AC_CHECK_LIB(dl, dlopen)
1824 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1825 # Sun randomly tweaked the prototypes in <proc_service.h>
1827 AC_MSG_CHECKING(if <proc_service.h> is old)
1828 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1830 #include <proc_service.h>
1832 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1833 ],, gdb_cv_proc_service_is_old=no,
1834 gdb_cv_proc_service_is_old=yes)
1836 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1837 if test $gdb_cv_proc_service_is_old = yes; then
1838 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1839 [Define if <proc_service.h> on solaris uses int instead of
1840 size_t, and assorted other type changes.])
1847 AC_MSG_CHECKING(for AiX thread debugging library)
1848 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1849 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1850 [#ifndef PTHDB_VERSION_3
1853 gdb_cv_have_aix_thread_debug=yes,
1854 gdb_cv_have_aix_thread_debug=no)])
1855 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1856 if test $gdb_cv_have_aix_thread_debug = yes; then
1857 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1858 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1859 LIBS="$LIBS -lpthdebug"
1861 # Older versions of AIX do not provide the declaration for
1862 # the getthrds function (it appears that it was introduced
1864 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1868 AC_SUBST(CONFIG_LDFLAGS)
1871 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1872 dnl other error codes.
1873 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1874 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1875 gdb_cv_thread_db_h_has_td_notalloc,
1877 [#include <thread_db.h>],
1878 [int i = TD_NOTALLOC;],
1879 gdb_cv_thread_db_h_has_td_notalloc=yes,
1880 gdb_cv_thread_db_h_has_td_notalloc=no
1883 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1884 gdb_cv_thread_db_h_has_td_version,
1886 [#include <thread_db.h>],
1887 [int i = TD_VERSION;],
1888 gdb_cv_thread_db_h_has_td_version=yes,
1889 gdb_cv_thread_db_h_has_td_version=no
1892 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1893 gdb_cv_thread_db_h_has_td_notls,
1895 [#include <thread_db.h>],
1896 [int i = TD_NOTLS;],
1897 gdb_cv_thread_db_h_has_td_notls=yes,
1898 gdb_cv_thread_db_h_has_td_notls=no
1902 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1903 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1904 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1906 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1907 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1908 [Define if <thread_db.h> has the TD_VERSION error code.])
1910 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1911 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1912 [Define if <thread_db.h> has the TD_NOTLS error code.])
1915 dnl See if we have a sys/syscall header file that has __NR_tkill.
1916 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1917 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1918 gdb_cv_sys_syscall_h_has_tkill,
1920 [#include <sys/syscall.h>],
1921 [int i = __NR_tkill;],
1922 gdb_cv_sys_syscall_h_has_tkill=yes,
1923 gdb_cv_sys_syscall_h_has_tkill=no
1927 dnl See if we can issue tkill syscall.
1928 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then
1929 AC_CHECK_FUNC(syscall,
1930 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1934 dnl Check if we can disable the virtual address space randomization.
1935 dnl The functionality of setarch -R.
1936 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1937 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1938 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1939 # define ADDR_NO_RANDOMIZE 0x0040000
1941 /* Test the flag could be set and stays set. */
1942 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1943 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1945 AC_RUN_IFELSE([PERSONALITY_TEST],
1946 [have_personality=true],
1947 [have_personality=false],
1948 [AC_LINK_IFELSE([PERSONALITY_TEST],
1949 [have_personality=true],
1950 [have_personality=false])])
1951 if $have_personality
1953 AC_DEFINE([HAVE_PERSONALITY], 1,
1954 [Define if you support the personality syscall.])
1957 dnl Set the host's .gdbinit filename.
1966 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1968 dnl Handle optional features that can be enabled.
1970 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1971 # except that the argument to --with-sysroot is optional.
1972 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1973 if test "x$with_sysroot" = xyes; then
1974 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1976 AC_ARG_WITH(sysroot,
1977 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1978 [search for usr/lib et al within DIR]),
1979 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1980 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1981 [search for usr/lib et al within DIR])
1982 AC_SUBST(TARGET_SYSTEM_ROOT)
1983 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1985 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1986 [automatically load a system-wide gdbinit file],
1989 AC_ARG_ENABLE(werror,
1990 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1991 [case "${enableval}" in
1992 yes | y) ERROR_ON_WARNING="yes" ;;
1993 no | n) ERROR_ON_WARNING="no" ;;
1994 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1997 # Enable -Werror by default when using gcc. Turn it off for releases.
1998 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
1999 ERROR_ON_WARNING=yes
2003 if test "${ERROR_ON_WARNING}" = yes ; then
2004 WERROR_CFLAGS="-Werror"
2007 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
2009 -Wno-unused -Wunused-value -Wunused-function \
2010 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
2011 -Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
2012 -Wold-style-declaration -Wold-style-definition"
2014 # Enable -Wno-format by default when using gcc on mingw since many
2015 # GCC versions complain about %I64.
2017 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
2018 *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
2021 AC_ARG_ENABLE(build-warnings,
2022 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
2023 [case "${enableval}" in
2025 no) build_warnings="-w";;
2026 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2027 build_warnings="${build_warnings} ${t}";;
2028 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2029 build_warnings="${t} ${build_warnings}";;
2030 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
2032 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
2033 echo "Setting compiler warning flags = $build_warnings" 6>&1
2035 AC_ARG_ENABLE(gdb-build-warnings,
2036 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
2037 [case "${enableval}" in
2039 no) build_warnings="-w";;
2040 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2041 build_warnings="${build_warnings} ${t}";;
2042 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2043 build_warnings="${t} ${build_warnings}";;
2044 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
2046 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
2047 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
2050 if test "x${build_warnings}" != x -a "x$GCC" = xyes
2052 AC_MSG_CHECKING(compiler warning flags)
2053 # Separate out the -Werror flag as some files just cannot be
2054 # compiled with it enabled.
2055 for w in ${build_warnings}; do
2057 -Werr*) WERROR_CFLAGS=-Werror ;;
2058 *) # Check that GCC accepts it
2059 saved_CFLAGS="$CFLAGS"
2061 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
2062 CFLAGS="$saved_CFLAGS"
2065 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
2067 AC_SUBST(WARN_CFLAGS)
2068 AC_SUBST(WERROR_CFLAGS)
2070 # In the Cygwin environment, we need some additional flags.
2071 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
2072 [AC_EGREP_CPP(^lose$, [
2073 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
2075 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
2078 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
2079 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
2081 *go32* ) SER_HARDWIRE=ser-go32.o ;;
2082 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
2083 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
2085 AC_SUBST(SER_HARDWIRE)
2087 # libreadline needs libuser32.a in a cygwin environment
2089 if test x$gdb_cv_os_cygwin = xyes; then
2090 WIN32LIBS="-luser32"
2092 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
2097 # The ser-tcp.c module requires sockets.
2100 AC_DEFINE(USE_WIN32API, 1,
2101 [Define if we should use the Windows API, instead of the
2102 POSIX API. On Windows, we use the Windows API when
2103 building for MinGW, but the POSIX API when building
2105 WIN32LIBS="$WIN32LIBS -lws2_32"
2110 # Add ELF support to GDB, but only if BFD includes ELF support.
2111 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
2112 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
2113 if test $gdb_cv_var_elf = yes; then
2114 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
2115 AC_DEFINE(HAVE_ELF, 1,
2116 [Define if ELF support should be included.])
2117 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
2118 if test "$plugins" = "yes"; then
2119 AC_SEARCH_LIBS(dlopen, dl)
2123 # Add macho support to GDB, but only if BFD includes it.
2124 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
2125 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
2126 if test $gdb_cv_var_macho = yes; then
2127 CONFIG_OBS="$CONFIG_OBS machoread.o"
2130 # Add SOM support to GDB, but only if BFD includes it.
2131 GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
2132 [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
2133 if test $gdb_cv_var_som = yes; then
2134 CONFIG_OBS="$CONFIG_OBS somread.o"
2137 # Add any host-specific objects to GDB.
2138 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
2140 # If building on ELF, look for lzma support for embedded compressed debug info.
2141 if test $gdb_cv_var_elf = yes; then
2143 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
2144 [], [with_lzma=auto])
2145 AC_MSG_CHECKING([whether to use lzma])
2146 AC_MSG_RESULT([$with_lzma])
2148 if test "${with_lzma}" != no; then
2149 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
2150 [lzma_index_iter iter;
2151 lzma_index_iter_init (&iter, 0);
2152 lzma_mf_is_supported (LZMA_MF_HC3);])
2153 if test "$HAVE_LIBLZMA" != yes; then
2154 if test "$with_lzma" = yes; then
2155 AC_MSG_ERROR([missing liblzma for --with-lzma])
2161 LIBGUI="../libgui/src/libgui.a"
2162 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2164 AC_SUBST(GUI_CFLAGS_X)
2168 AC_SUBST(WIN32LDAPP)
2171 *-*-cygwin* | *-*-mingw* )
2180 if test "${enable_gdbtk}" = "yes"; then
2182 # Gdbtk must have an absolute path to srcdir in order to run
2183 # properly when not installed.
2191 # If $no_tk is nonempty, then we can't do Tk, and there is no
2192 # point to doing Tcl.
2195 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2198 # Check for in-tree tcl
2205 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2209 # Find Tcl private headers
2210 if test x"${intree}" = xno; then
2211 CY_AC_TCL_PRIVATE_HEADERS
2212 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2213 TCL_LIBRARY="${TCL_LIB_SPEC}"
2216 # If building tcl in the same src tree, private headers
2217 # are not needed, but we need to be sure to use the right
2219 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2220 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2221 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2223 AC_SUBST(TCL_INCLUDE)
2224 AC_SUBST(TCL_LIBRARY)
2229 # Check for in-tree Tk
2231 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2235 # Find Tk private headers
2236 if test x"${intree}" = xno; then
2237 CY_AC_TK_PRIVATE_HEADERS
2238 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2239 TK_LIBRARY=${TK_LIB_SPEC}
2242 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2243 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2244 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2246 AC_SUBST(TK_INCLUDE)
2247 AC_SUBST(TK_LIBRARY)
2249 AC_SUBST(TK_XINCLUDES)
2251 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2253 # Include some libraries that Tcl and Tk want.
2254 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2255 # Yes, the ordering seems wrong here. But it isn't.
2256 # TK_LIBS is the list of libraries that need to be linked
2257 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2258 # were in LIBS then any link tests after this point would
2259 # try to include things like `$(LIBGUI)', which wouldn't work.
2260 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2262 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2263 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2264 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2265 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2266 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2267 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2268 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2270 if test x$gdb_cv_os_cygwin = xyes; then
2271 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2272 WIN32LDAPP="-Wl,--subsystem,console"
2273 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2276 AC_CONFIG_SUBDIRS(gdbtk)
2284 AC_SUBST(GDBTK_CFLAGS)
2285 AC_SUBST(GDBTK_SRC_DIR)
2289 # Unlike the sim directory, whether a simulator is linked is controlled by
2290 # presence of a gdb_sim definition in the target configure.tgt entry.
2291 # This code just checks for a few cases where we'd like to ignore those
2292 # definitions, even when they're present in the '.mt' file. These cases
2293 # are when --disable-sim is specified, or if the simulator directory is
2294 # not part of the source tree.
2297 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2298 [echo "enable_sim = $enable_sim";
2299 echo "enableval = ${enableval}";
2300 case "${enableval}" in
2301 yes) ignore_sim=false ;;
2302 no) ignore_sim=true ;;
2303 *) ignore_sim=false ;;
2307 if test ! -d "${srcdir}/../sim"; then
2313 if test "${ignore_sim}" = "false"; then
2314 if test x"${gdb_sim}" != x ; then
2316 SIM_OBS="remote-sim.o"
2317 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2323 AC_SUBST(ENABLE_CFLAGS)
2324 AC_SUBST(PROFILE_CFLAGS)
2326 AC_SUBST(CONFIG_OBS)
2327 AC_SUBST(CONFIG_DEPS)
2328 AC_SUBST(CONFIG_SRCS)
2329 AC_SUBST(CONFIG_ALL)
2330 AC_SUBST(CONFIG_CLEAN)
2331 AC_SUBST(CONFIG_INSTALL)
2332 AC_SUBST(CONFIG_UNINSTALL)
2334 # List of host floatformats.
2335 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2336 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2337 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2339 # target_subdir is used by the testsuite to find the target libraries.
2341 if test "${host}" != "${target}"; then
2342 target_subdir="${target_alias}/"
2344 AC_SUBST(target_subdir)
2347 if test "${gdb_native}" = "yes"; then
2348 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2349 if test ! -f ${host_makefile_frag}; then
2350 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2352 frags="$frags $host_makefile_frag"
2354 host_makefile_frag=/dev/null
2357 AC_SUBST_FILE(host_makefile_frag)
2361 if test "${gdb_native}" = "yes"; then
2362 # We pick this up from the host configuration file (.mh) because we
2363 # do not have a native configuration Makefile fragment.
2364 nativefile=`sed -n '
2365 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2366 ' ${host_makefile_frag}`
2370 if test x"${gdb_osabi}" != x ; then
2371 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2372 [Define to the default OS ABI for this configuration.])
2375 # Enable multi-ice-gdb-server.
2376 AC_ARG_ENABLE(multi-ice,
2377 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2381 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2383 if test "x$enable_multi_ice" = xyes; then
2384 AC_CONFIG_SUBDIRS(multi-ice)
2387 AC_ARG_ENABLE(gdbserver,
2388 AS_HELP_STRING([--enable-gdbserver],
2389 [automatically build gdbserver (yes/no/auto, default is auto)]),
2390 [case "${enableval}" in
2392 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2393 esac],[enable_gdbserver=auto])
2395 # We only build gdbserver automatically in a native configuration, and
2396 # only if the user did not explicitly disable its build.
2397 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2398 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2399 if test "x$build_gdbserver" = xyes; then
2401 AC_CONFIG_SUBDIRS(gdbserver)
2402 gdbserver_build_enabled=yes
2408 # If the user explicitly request the gdbserver to be built, verify that
2409 # we were in fact able to enable it.
2410 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2411 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2414 # Check for babeltrace and babeltrace-ctf
2415 AC_ARG_WITH(babeltrace,
2416 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2417 [], [with_babeltrace=auto])
2418 AC_MSG_CHECKING([whether to use babeltrace])
2419 AC_MSG_RESULT([$with_babeltrace])
2421 if test "x$with_babeltrace" = "xno"; then
2422 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2424 # Append -Werror to CFLAGS so that configure can catch the warning
2425 # "assignment from incompatible pointer type", which is related to
2426 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2427 # in GDB, while babeltrace 1.0.3 is broken.
2428 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2429 # safe to save and restore CFLAGS here.
2430 saved_CFLAGS=$CFLAGS
2431 CFLAGS="$CFLAGS -Werror"
2432 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2433 [#include <babeltrace/babeltrace.h>
2434 #include <babeltrace/ctf/events.h>
2435 #include <babeltrace/ctf/iterator.h>],
2436 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2437 struct bt_ctf_event *event = NULL;
2438 const struct bt_definition *scope;
2440 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2441 scope = bt_ctf_get_top_level_scope (event,
2442 BT_STREAM_EVENT_HEADER);
2443 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2445 CFLAGS=$saved_CFLAGS
2447 if test "$HAVE_LIBBABELTRACE" != yes; then
2448 if test "$with_babeltrace" = yes; then
2449 AC_MSG_ERROR([babeltrace is missing or unusable])
2451 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2456 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2457 # to an empty version.
2463 if test "${nativefile}" != ""; then
2464 case "${nativefile}" in
2465 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2466 * ) GDB_NM_FILE="${nativefile}"
2468 files="${files} ${GDB_NM_FILE}"
2469 links="${links} nm.h"
2470 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2472 AC_SUBST(GDB_NM_FILE)
2474 AC_LINK_FILES($files, $links)
2476 dnl Check for exe extension set on certain hosts (e.g. Win32)
2479 dnl Detect the character set used by this host.
2480 dnl At the moment, we just assume it's UTF-8.
2481 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2482 [Define to be a string naming the default host character set.])
2484 # Undo the $ec_script escaping suitable for Makefile.
2485 transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'`
2486 GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"`
2487 if test "x$GDB_TRANSFORM_NAME" = x; then
2488 GDB_TRANSFORM_NAME=gdb
2490 AC_SUBST(GDB_TRANSFORM_NAME)
2491 GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"`
2492 if test "x$GCORE_TRANSFORM_NAME" = x; then
2493 GCORE_TRANSFORM_NAME=gcore
2495 AC_SUBST(GCORE_TRANSFORM_NAME)
2496 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2498 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2500 case x$CONFIG_HEADERS in
2501 xconfig.h:config.in)