1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2015 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 "$MAKE_IS_GNU" = yes)
54 gnulib_extra_configure_args=
55 # If large-file support is disabled, make sure gnulib does the same.
56 if test "$enable_largefile" = no; then
57 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
60 # Configure gnulib. We need to build gnulib under some other
61 # directory not "gnulib", to avoid the problem of both GDB and
62 # GDBserver wanting to build it in the same directory, when building
64 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
65 ["$gnulib_extra_configure_args"])
67 dnl List of object files and targets accumulated by configure.
79 dnl Set up for gettext.
80 ZW_GNU_GETTEXT_SISTER_DIR
82 localedir='${datadir}/locale'
85 if test x"$USE_NLS" = xyes; then
86 CONFIG_ALL="$CONFIG_ALL all-po"
87 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
88 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
89 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
92 GNULIB=build-gnulib/import
94 # For Makefile dependencies.
96 if test x"$STDINT_H" != x; then
97 GNULIB_STDINT_H=$GNULIB/$STDINT_H
99 AC_SUBST(GNULIB_STDINT_H)
102 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
105 # We never need to detect it in this sub-configure.
106 # But preserve it for config.status --recheck.
108 [Parent configure detects if it is of sufficient version.])
109 AC_ARG_VAR(MAKEINFOFLAGS,
110 [Parameters for MAKEINFO.])
112 MAKEINFO_EXTRA_FLAGS=""
113 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
114 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
115 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
116 gdb_cv_have_makeinfo_click=yes
118 gdb_cv_have_makeinfo_click=no
120 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
121 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
123 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
125 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
126 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
129 # We can't pass paths as command line arguments.
130 # Mingw32 tries to be clever and will convert the paths for us.
131 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
132 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
133 # This breaks GDB's relocatable path conversions since paths passed in
134 # config.h would not get so translated, the path prefixes no longer match.
135 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
137 # GDB's datadir relocation
139 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
140 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
143 AC_ARG_WITH(relocated-sources,
144 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
145 [reloc_srcdir="${withval}"
146 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
147 [Relocated directory for source files. ])
150 AC_MSG_CHECKING([for default auto-load directory])
151 AC_ARG_WITH(auto-load-dir,
152 AS_HELP_STRING([--with-auto-load-dir=PATH],
153 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
154 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
155 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
156 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
157 [Directories from which to load auto-loaded scripts.])
158 AC_MSG_RESULT([$with_auto_load_dir])
160 AC_MSG_CHECKING([for default auto-load safe-path])
161 AC_ARG_WITH(auto-load-safe-path,
162 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
163 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
164 AS_HELP_STRING([--without-auto-load-safe-path],
165 [do not restrict auto-loaded files locations]),
166 [if test "$with_auto_load_safe_path" = "no"; then
167 with_auto_load_safe_path="/"
169 [with_auto_load_safe_path="$with_auto_load_dir"])
170 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
171 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
172 [Directories safe to hold auto-loaded files.])
173 AC_MSG_RESULT([$with_auto_load_safe_path])
175 AC_CONFIG_SUBDIRS(testsuite)
177 # Check whether to support alternative target configurations
178 AC_ARG_ENABLE(targets,
179 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
180 [case "${enableval}" in
181 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
183 no) enable_targets= ;;
184 *) enable_targets=$enableval ;;
187 # Check whether to enable 64-bit support on 32-bit hosts
188 AC_ARG_ENABLE(64-bit-bfd,
189 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
190 [case "${enableval}" in
193 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
194 esac],[want64=false])dnl
196 # Provide defaults for some variables set by the per-host and per-target
198 gdb_host_obs=posix-hdep.o
200 if test "${target}" = "${host}"; then
206 . $srcdir/configure.host
208 # Add in the common host objects.
209 . $srcdir/common/common.host
210 gdb_host_obs="$gdb_host_obs $common_host_obs"
212 # Accumulate some settings from configure.tgt over all enabled targets
216 HAVE_NATIVE_GCORE_TARGET=
218 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
220 if test "$targ_alias" = "all"; then
223 # Canonicalize the secondary target names.
224 result=`$ac_config_sub $targ_alias 2>/dev/null`
225 if test -n "$result"; then
231 . ${srcdir}/configure.tgt
233 AS_IF([test -z "${gdb_target_obs}"],
234 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
236 # Target-specific object files
237 for i in ${gdb_target_obs}; do
238 case " $TARGET_OBS " in
241 TARGET_OBS="$TARGET_OBS ${i}"
246 # Check whether this target needs 64-bit CORE_ADDR
247 if test x${want64} = xfalse; then
248 . ${srcdir}/../bfd/config.bfd
251 # Check whether this target is native and supports gcore.
252 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
253 && $gdb_have_gcore; then
254 HAVE_NATIVE_GCORE_TARGET=1
259 if test x${all_targets} = xtrue; then
261 # We want all 64-bit targets if we either:
262 # - run on a 64-bit host or
263 # - already require 64-bit support for some other target or
264 # - the --enable-64-bit-bfd option was supplied
265 # Otherwise we only support all 32-bit targets.
267 # NOTE: This test must be in sync with the corresponding
270 if test x${want64} = xfalse; then
271 AC_CHECK_SIZEOF(long)
272 if test "x${ac_cv_sizeof_long}" = "x8"; then
276 if test x${want64} = xtrue; then
277 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
279 TARGET_OBS='$(ALL_TARGET_OBS)'
284 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
286 # For other settings, only the main target counts.
290 targ=$target; . ${srcdir}/configure.tgt
292 # Fetch the default architecture and default target vector from BFD.
293 targ=$target; . $srcdir/../bfd/config.bfd
295 # We only want the first architecture, so strip off the others if
296 # there is more than one.
297 targ_archs=`echo $targ_archs | sed 's/ .*//'`
299 if test "x$targ_archs" != x; then
300 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
301 [Define to BFD's default architecture. ])
303 if test "x$targ_defvec" != x; then
304 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
305 [Define to BFD's default target vector. ])
308 # The CLI cannot be disabled yet, but may be in the future.
311 AC_ARG_ENABLE(gdbcli,
312 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
317 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
319 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
322 if test x"$enable_gdbcli" = xyes; then
323 if test -d $srcdir/cli; then
324 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
325 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
326 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
327 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
333 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
338 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
341 if test x"$enable_gdbmi" = xyes; then
342 if test -d $srcdir/mi; then
343 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
344 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
345 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
346 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
352 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
357 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
358 esac],enable_tui=auto)
362 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
367 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
369 [if test -d $srcdir/gdbtk; then
374 # We unconditionally disable gdbtk tests on selected platforms.
377 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
381 # Libunwind support for ia64.
383 AC_ARG_WITH(libunwind-ia64,
384 AS_HELP_STRING([--with-libunwind-ia64],
385 [use libunwind frame unwinding for ia64 targets]),,
386 [with_libunwind_ia64=auto])
388 # Backward compatibility option.
389 if test "${with_libunwind+set}" = set; then
390 if test x"$with_libunwind_ia64" != xauto; then
392 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
394 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
395 with_libunwind_ia64="$with_libunwind"
398 case "$with_libunwind_ia64" in
402 AC_CHECK_HEADERS(libunwind-ia64.h)
403 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
407 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
411 if test x"$with_libunwind_ia64" = xyes; then
412 AC_CHECK_HEADERS(libunwind-ia64.h)
413 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
414 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
416 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
417 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
418 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
422 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
425 if test "$opt_curses" = "yes"; then
430 AC_ARG_ENABLE(profiling,
431 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
436 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
438 [enable_profiling=no])
440 AC_CHECK_FUNCS(monstartup _mcleanup)
441 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
446 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
447 if test $ac_cv_var__etext = yes; then
448 AC_DEFINE(HAVE__ETEXT, 1,
449 [Define to 1 if your system has the _etext variable. ])
451 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
456 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
457 if test $ac_cv_var_etext = yes; then
458 AC_DEFINE(HAVE_ETEXT, 1,
459 [Define to 1 if your system has the etext variable. ])
461 if test "$enable_profiling" = yes ; then
462 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
463 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
467 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
469 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
470 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
471 ac_cv_cc_supports_pg=no)])
473 if test $ac_cv_cc_supports_pg = no; then
474 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
480 ACX_PKGVERSION([GDB])
481 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
482 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
483 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
485 # --------------------- #
486 # Checks for programs. #
487 # --------------------- #
495 AC_CHECK_TOOL(AR, ar)
496 AC_CHECK_TOOL(DLLTOOL, dlltool)
497 AC_CHECK_TOOL(WINDRES, windres)
501 # Needed for GNU Hurd hosts.
502 AC_CHECK_TOOL(MIG, mig)
503 if test x"$MIG" = x; then
504 AC_MSG_ERROR([MIG not found but required for $host hosts])
509 # ---------------------- #
510 # Checks for libraries. #
511 # ---------------------- #
513 # We might need to link with -lm; most simulators need it.
514 AC_CHECK_LIB(m, main)
516 # We need to link with -lw to get `wctype' on Solaris before Solaris
517 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
518 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
519 # is known to have this problem). Therefore we avoid libw if we can.
520 AC_CHECK_FUNC(wctype, [],
521 [AC_CHECK_LIB(w, wctype)])
523 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
524 AC_SEARCH_LIBS(gethostbyname, nsl)
526 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
527 AC_SEARCH_LIBS(socketpair, socket)
529 # Link in zlib if we can. This allows us to read compressed debug sections.
532 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
533 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
537 # GDB may fork/exec the iconv program to get the list of supported character
538 # sets. Allow the user to specify where to find it.
539 # There are several factors affecting the choice of option name:
540 # - There is already --with-libiconv-prefix but we can't use it, it specifies
541 # the build-time location of libiconv files.
542 # - The program we need to find is iconv, which comes with glibc. The user
543 # doesn't necessarily have libiconv installed. Therefore naming this
544 # --with-libiconv-foo feels wrong.
545 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
546 # defined to work on directories not files (though it really doesn't know
548 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
549 # with --with-libiconv-prefix.
550 # Putting these together is why the option name is --with-iconv-bin.
552 AC_ARG_WITH(iconv-bin,
553 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
554 [iconv_bin="${withval}"
555 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
556 [Path of directory of iconv program.])
557 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
560 # For the TUI, we need enhanced curses functionality.
561 if test x"$enable_tui" != xno; then
566 if test x"$prefer_curses" = xyes; then
567 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
568 # curses library because the latter might not provide all the
569 # functionality we need. However, this leads to problems on systems
570 # where the linker searches /usr/local/lib, but the compiler doesn't
571 # search /usr/local/include, if ncurses is installed in /usr/local. A
572 # default installation of ncurses on alpha*-dec-osf* will lead to such
574 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
576 if test "$ac_cv_search_waddstr" != no; then
581 # Check whether we should enable the TUI, but only do so if we really
583 if test x"$enable_tui" != xno; then
584 if test -d $srcdir/tui; then
585 if test "$curses_found" != no; then
586 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
587 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
588 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
589 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
591 if test x"$enable_tui" = xyes; then
592 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
594 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
600 # Since GDB uses Readline, we need termcap functionality. In many
601 # cases this will be provided by the curses library, but some systems
602 # have a seperate termcap library, or no curses library at all.
606 if test -d $srcdir/libtermcap; then
607 LIBS="../libtermcap/libtermcap.a $LIBS"
608 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
611 ac_cv_search_tgetent="none required"
614 if test x"$curses_found" != xyes; then
615 ac_cv_search_tgetent="none required"
616 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
620 # These are the libraries checked by Readline.
621 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
623 if test "$ac_cv_search_tgetent" = no; then
624 AC_MSG_ERROR([no termcap library found])
627 AC_ARG_WITH([system-readline],
628 [AS_HELP_STRING([--with-system-readline],
629 [use installed readline library])])
631 if test "$with_system_readline" = yes; then
635 READLINE_TEXI_INCFLAG=
637 READLINE='$(READLINE_DIR)/libreadline.a'
638 READLINE_DEPS='$(READLINE)'
639 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
640 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
643 AC_SUBST(READLINE_DEPS)
644 AC_SUBST(READLINE_CFLAGS)
645 AC_SUBST(READLINE_TEXI_INCFLAG)
647 # Generate jit-reader.h
649 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
652 AC_CHECK_SIZEOF(unsigned long long)
653 AC_CHECK_SIZEOF(unsigned long)
654 AC_CHECK_SIZEOF(unsigned __int128)
656 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
657 TARGET_PTR="unsigned long"
658 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
659 TARGET_PTR="unsigned long long"
660 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
661 TARGET_PTR="unsigned __int128"
663 TARGET_PTR="unsigned long"
667 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
669 AC_SEARCH_LIBS(dlopen, dl)
671 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
672 [directory to load the JIT readers from],
676 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
677 [], [with_expat=auto])
678 AC_MSG_CHECKING([whether to use expat])
679 AC_MSG_RESULT([$with_expat])
681 if test "${with_expat}" = no; then
682 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
685 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
686 [XML_Parser p = XML_ParserCreate (0);])
687 if test "$HAVE_LIBEXPAT" != yes; then
688 if test "$with_expat" = yes; then
689 AC_MSG_ERROR([expat is missing or unusable])
691 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
695 LIBS="$LIBS $LIBEXPAT"
696 AC_CHECK_FUNCS(XML_StopParser)
701 # --------------------- #
702 # Check for libpython. #
703 # --------------------- #
705 dnl Utility to simplify finding libpython.
707 dnl $2 = the shell variable to assign the result to
708 dnl If libpython is found we store $version here.
709 dnl $3 = additional flags to add to CPPFLAGS
710 dnl $4 = additional flags to add to LIBS
712 AC_DEFUN([AC_TRY_LIBPYTHON],
715 define([have_libpython_var],$2)
718 AC_MSG_CHECKING([for ${version}])
719 save_CPPFLAGS=$CPPFLAGS
721 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
722 LIBS="$LIBS $new_LIBS"
723 found_usable_python=no
724 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
725 [[Py_Initialize ();]]),
726 [have_libpython_var=${version}
727 found_usable_python=yes
728 PYTHON_CPPFLAGS=$new_CPPFLAGS
729 PYTHON_LIBS=$new_LIBS])
730 CPPFLAGS=$save_CPPFLAGS
732 AC_MSG_RESULT([${found_usable_python}])
735 dnl There are several different values for --with-python:
737 dnl no - Don't include python support.
738 dnl yes - Include python support, error if it's missing.
739 dnl If we find python in $PATH, use it to fetch configure options,
740 dnl otherwise assume the compiler can find it with no help from us.
741 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
742 dnl auto - Same as "yes", but if python is missing from the system,
743 dnl fall back to "no".
744 dnl /path/to/python/exec-prefix -
745 dnl Use the python located in this directory.
746 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
747 dnl the compilation parameters. Otherwise use
748 dnl -I/path/to/python/exec-prefix/include,
749 dnl -L/path/to/python/exec-prefix/lib.
750 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
751 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
752 dnl but is deprecated.
753 dnl /path/to/python/executable -
754 dnl Run python-config.py with this version of python to fetch the
755 dnl compilation parameters.
756 dnl NOTE: This needn't be the real python executable.
757 dnl In a cross-compilation scenario (build != host), this could be
758 dnl a shell script that provides what python-config.py provides for
759 dnl --ldflags, --includes, --exec-prefix.
760 dnl python-executable -
761 dnl Find python-executable in $PATH, and then handle the same as
762 dnl /path/to/python/executable.
764 dnl If a python program is specified, it is used to run python-config.py and
765 dnl is passed --ldflags, --includes, --exec-prefix.
768 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
769 [], [with_python=auto])
770 AC_MSG_CHECKING([whether to use python])
771 AC_MSG_RESULT([$with_python])
773 if test "${with_python}" = no; then
774 AC_MSG_WARN([python support disabled; some features may be unavailable.])
777 case "${with_python}" in
778 [[\\/]]* | ?:[[\\/]]*)
779 if test -d ${with_python}; then
780 # Assume the python binary is ${with_python}/bin/python.
781 python_prog="${with_python}/bin/python"
783 # If python does not exit ${with_python}/bin, then try in
784 # ${with_python}. On Windows/MinGW, this is where the Python
786 if test ! -x "${python_prog}"; then
787 python_prog="${with_python}/python"
790 if test ! -x "${python_prog}"; then
791 # Fall back to gdb 7.0/7.1 behaviour.
793 python_prefix=${with_python}
795 elif test -x "${with_python}"; then
796 # While we can't run python compiled for $host (unless host == build),
797 # the user could write a script that provides the needed information,
798 # so we support that.
799 python_prog=${with_python}
802 AC_ERROR(invalid value for --with-python)
806 # Disallow --with-python=foo/bar.
807 AC_ERROR(invalid value for --with-python)
810 # The user has either specified auto, yes, or the name of the python
811 # program assumed to be in $PATH.
813 case "${with_python}" in
815 if test ${build} = ${host}; then
816 AC_PATH_PROG(python_prog_path, python, missing)
817 if test "${python_prog_path}" = missing; then
820 python_prog=${python_prog_path}
823 # Not much we can do except assume the cross-compiler will find the
829 # While we can't run python compiled for $host (unless host == build),
830 # the user could write a script that provides the needed information,
831 # so we support that.
832 python_prog="${with_python}"
833 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
834 if test "${python_prog_path}" = missing; then
835 AC_ERROR(unable to find python program ${python_prog})
841 if test "${python_prog}" != missing; then
842 # We have a python program to use, but it may be too old.
843 # Don't flag an error for --with-python=auto (the default).
844 have_python_config=yes
845 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
846 if test $? != 0; then
847 have_python_config=failed
848 if test "${with_python}" != auto; then
849 AC_ERROR(failure running python-config --includes)
852 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
853 if test $? != 0; then
854 have_python_config=failed
855 if test "${with_python}" != auto; then
856 AC_ERROR(failure running python-config --ldflags)
859 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
860 if test $? != 0; then
861 have_python_config=failed
862 if test "${with_python}" != auto; then
863 AC_ERROR(failure running python-config --exec-prefix)
867 # We do not have a python executable we can use to determine where
868 # to find the Python headers and libs. We cannot guess the include
869 # path from the python_prefix either, because that include path
870 # depends on the Python version. So, there is nothing much we can
871 # do except assume that the compiler will be able to find those files.
874 have_python_config=no
877 # If we have python-config, only try the configuration it provides.
878 # Otherwise fallback on the old way of trying different versions of
882 if test "${have_python_config}" = yes; then
883 # Determine the Python version by extracting "-lpython<version>"
884 # part of the python_libs. <version> is usually X.Y with X and Y
885 # being decimal numbers, but can also be XY (seen on Windows).
887 # The extraction is performed using sed with a regular expression.
888 # Initially, the regexp used was using the '?' quantifier to make
889 # the dot in the version number optional. Unfortunately, this
890 # does not work with non-GNU versions of sed because, because of
891 # what looks like a limitation (the '?' quantifier does not work
892 # with back-references). We work around this limitation by using
893 # the '*' quantifier instead. It means that, in theory, we might
894 # match unexpected version strings such as "-lpython2..7", but
895 # this seems unlikely in practice. And even if that happens,
896 # an error will be triggered later on, when checking that version
898 python_version=`echo " ${python_libs} " \
899 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
900 case "${python_version}" in
902 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
903 ${python_includes}, ${python_libs})
906 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
909 elif test "${have_python_config}" != failed; then
910 if test "${have_libpython}" = no; then
911 AC_TRY_LIBPYTHON(python2.7, have_libpython,
912 ${python_includes}, "${python_libs} -lpython2.7")
914 if test "${have_libpython}" = no; then
915 AC_TRY_LIBPYTHON(python2.6, have_libpython,
916 ${python_includes}, "${python_libs} -lpython2.6")
918 if test ${have_libpython} = no; then
919 AC_TRY_LIBPYTHON(python2.5, have_libpython,
920 ${python_includes}, "${python_libs} -lpython2.5")
922 if test ${have_libpython} = no; then
923 AC_TRY_LIBPYTHON(python2.4, have_libpython,
924 ${python_includes}, "${python_libs} -lpython2.4")
927 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
928 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
929 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
930 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
931 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
932 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
933 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
934 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
937 if test "${have_libpython}" = no; then
938 case "${with_python}" in
940 AC_MSG_ERROR([python is missing or unusable])
943 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
946 AC_MSG_ERROR([no usable python found at ${with_python}])
950 if test -n "${python_prefix}"; then
951 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
952 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
953 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
958 if test "${have_libpython}" != no; then
959 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
960 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
961 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
962 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
963 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
964 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
966 # Flags needed to compile Python code (taken from python-config --cflags).
967 # We cannot call python-config directly because it will output whatever was
968 # used when compiling the Python interpreter itself, including flags which
969 # would make the python-related objects be compiled differently from the
970 # rest of GDB (e.g., -O2 and -fPIC).
971 if test "${GCC}" = yes; then
972 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
975 if test "x${tentative_python_cflags}" != x; then
976 AC_MSG_CHECKING(compiler flags for python code)
977 for flag in ${tentative_python_cflags}; do
978 # Check that the compiler accepts it
979 saved_CFLAGS="$CFLAGS"
980 CFLAGS="$CFLAGS $flag"
981 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
982 CFLAGS="$saved_CFLAGS"
984 AC_MSG_RESULT(${PYTHON_CFLAGS})
987 # On x64 Windows, Python's include headers, and pyconfig.h in
988 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
989 # version of Windows. Unfortunately, MS_WIN64 is only defined if
990 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
991 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
992 # The issue was reported to the Python community, but still isn't
993 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
997 if test "${GCC}" = yes; then
998 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1003 # Note that "python -m threading" cannot be used to check for
1004 # threading support due to a bug in Python 2.7.3
1005 # (http://bugs.python.org/issue15567).
1006 AC_MSG_CHECKING(whether python supports threads)
1007 saved_CPPFLAGS="${CPPFLAGS}"
1008 CPPFLAGS="${PYTHON_CPPFLAGS}"
1009 # Note that the test is reversed so that python_has_threads=yes on
1010 # unexpected failures.
1011 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1016 ]]), [python_has_threads=no], [python_has_threads=yes])
1017 AC_MSG_RESULT(${python_has_threads})
1018 CPPFLAGS="${saved_CPPFLAGS}"
1020 # Even if Python support is not compiled in, we need to have this file
1021 # included so that the "python" command, et.al., still exists.
1022 CONFIG_OBS="$CONFIG_OBS python.o"
1023 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1025 AC_SUBST(PYTHON_CFLAGS)
1026 AC_SUBST(PYTHON_CPPFLAGS)
1027 AC_SUBST(PYTHON_LIBS)
1028 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1030 # -------------------- #
1031 # Check for libguile. #
1032 # -------------------- #
1034 dnl Utility to simplify finding libguile.
1035 dnl $1 = pkg-config-program
1036 dnl $2 = space-separate list of guile versions to try
1037 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1038 dnl $4 = the shell variable to assign the result to
1039 dnl If libguile is found we store "yes" here.
1041 AC_DEFUN([AC_TRY_LIBGUILE],
1044 guile_version_list=$2
1046 define([have_libguile_var],$4)
1047 found_usable_guile=checking
1048 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1049 for guile_version in ${guile_version_list}; do
1050 ${pkg_config} --exists ${guile_version} 2>/dev/null
1051 if test $? != 0; then
1054 dnl pkg-config says the package exists, so if we get an error now,
1056 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1057 if test $? != 0; then
1058 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1060 new_LIBS=`${pkg_config} --libs ${guile_version}`
1061 if test $? != 0; then
1062 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1064 dnl If we get this far, great.
1065 found_usable_guile=${guile_version}
1068 if test "${found_usable_guile}" = "checking"; then
1069 if test "${flag_errors}" = "yes"; then
1070 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1072 found_usable_guile=no
1075 dnl One final sanity check.
1076 dnl The user could have said --with-guile=python-2.7.
1077 if test "${found_usable_guile}" != no; then
1078 save_CPPFLAGS=$CPPFLAGS
1080 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1081 LIBS="$LIBS $new_LIBS"
1082 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1083 [[scm_init_guile ();]]),
1084 [have_libguile_var=yes
1085 GUILE_CPPFLAGS=$new_CPPFLAGS
1086 GUILE_LIBS=$new_LIBS],
1087 [found_usable_guile=no])
1088 CPPFLAGS=$save_CPPFLAGS
1090 if test "${found_usable_guile}" = no; then
1091 if test "${flag_errors}" = yes; then
1092 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1096 AC_MSG_RESULT([${found_usable_guile}])
1099 dnl There are several different values for --with-guile:
1101 dnl no - Don't include guile support.
1102 dnl yes - Include guile support, error if it's missing.
1103 dnl The pkg-config program must be in $PATH.
1104 dnl auto - Same as "yes", but if guile is missing from the system,
1105 dnl fall back to "no".
1106 dnl guile-version [guile-version-choice-2 ...] -
1107 dnl A space-separated list of guile package versions to try.
1108 dnl These are passed to pkg-config as-is.
1109 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1110 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1111 dnl /path/to/pkg-config -
1112 dnl Use this pkg-config program.
1113 dnl NOTE: This needn't be the "real" pkg-config program.
1114 dnl It could be a shell script. It is invoked as:
1115 dnl pkg-config --exists $version
1116 dnl pkg-config --cflags $version
1117 dnl pkg-config --libs $version
1118 dnl pkg-config --variable guild $version
1119 dnl The script will be called with $version having each value in
1120 dnl $try_guile_versions until --exists indicates success.
1123 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1124 [], [with_guile=auto])
1125 AC_MSG_CHECKING([whether to use guile])
1126 AC_MSG_RESULT([$with_guile])
1128 dnl We check guile with pkg-config.
1129 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1131 try_guile_versions="guile-2.2 guile-2.0"
1133 case "${with_guile}" in
1135 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1138 if test "${pkg_config_prog_path}" = "missing"; then
1139 AC_MSG_WARN([pkg-config not found, guile support disabled])
1141 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1145 if test "${pkg_config_prog_path}" = "missing"; then
1146 AC_MSG_ERROR([pkg-config not found])
1148 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1150 [[\\/]]* | ?:[[\\/]]*)
1151 if test -x "${with_guile}"; then
1152 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1154 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1158 # Disallow --with=guile="" and --with-guile=foo/bar.
1159 AC_MSG_ERROR([invalid value for --with-guile])
1162 # A space separate list of guile versions to try, in order.
1163 if test "${pkg_config_prog_path}" = "missing"; then
1164 AC_MSG_ERROR([pkg-config not found])
1166 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1170 if test "${have_libguile}" != no; then
1171 dnl Get the name of the 'guild' program.
1172 case "${with_guile}" in
1173 [[\\/]]* | ?:[[\\/]]*)
1174 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1177 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1181 dnl Make sure guild can handle this host.
1182 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1183 dnl If not, disable guile support.
1184 if test "$ac_cv_guild_ok" = no; then
1186 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1190 if test "${have_libguile}" != no; then
1191 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1192 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1193 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1194 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1195 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1196 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1198 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1200 save_CPPFLAGS="$CPPFLAGS"
1202 CPPFLAGS="$GUILE_CPPFLAGS"
1203 AC_CHECK_FUNCS([scm_new_smob])
1205 CPPFLAGS="$save_CPPFLAGS"
1207 # Even if Guile support is not compiled in, we need to have these files
1209 CONFIG_OBS="$CONFIG_OBS guile.o"
1210 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1212 AC_SUBST(GUILE_CPPFLAGS)
1213 AC_SUBST(GUILE_LIBS)
1214 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1216 # --------------------- #
1217 # Check for libmcheck. #
1218 # --------------------- #
1220 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1221 # but turn it off if Python is enabled with threads, since -lmcheck is
1222 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1224 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1225 && $development; then
1226 libmcheck_default=yes
1228 libmcheck_default=no
1230 GDB_AC_LIBMCHECK(${libmcheck_default})
1232 if test "$ENABLE_LIBMCHECK" = "yes" \
1233 -a "${have_libpython}" != "no" \
1234 -a "${python_has_threads}" = "yes" ; then
1235 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1238 # ------------------------- #
1239 # Checks for header files. #
1240 # ------------------------- #
1243 # elf_hp.h is for HP/UX 64-bit shared library support.
1244 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1247 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1248 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1249 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1250 termios.h termio.h \
1253 AC_CHECK_HEADERS(sys/proc.h, [], [],
1254 [#if HAVE_SYS_PARAM_H
1255 # include <sys/param.h>
1258 AC_CHECK_HEADERS(sys/user.h, [], [],
1259 [#if HAVE_SYS_PARAM_H
1260 # include <sys/param.h>
1264 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1265 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1266 # think that we don't have <curses.h> if we're using GCC.
1269 if test "$GCC" = yes; then
1270 AC_DEFINE(_MSE_INT_H, 1,
1271 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1272 Solaris 2.[789] when using GCC. ])
1275 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1276 AC_CHECK_HEADERS(term.h, [], [],
1278 # include <curses.h>
1282 # ------------------------- #
1283 # Checks for declarations. #
1284 # ------------------------- #
1286 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1289 # ----------------------- #
1290 # Checks for structures. #
1291 # ----------------------- #
1293 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1295 # ------------------ #
1296 # Checks for types. #
1297 # ------------------ #
1300 AC_CHECK_TYPES(socklen_t, [], [],
1301 [#include <sys/types.h>
1302 #include <sys/socket.h>
1305 # ------------------------------------- #
1306 # Checks for compiler characteristics. #
1307 # ------------------------------------- #
1313 # ------------------------------ #
1314 # Checks for library functions. #
1315 # ------------------------------ #
1319 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1320 pipe poll pread pread64 pwrite resize_term \
1321 sbrk setpgid setpgrp setsid \
1322 sigaction sigprocmask sigsetmask socketpair \
1323 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1324 setrlimit getrlimit posix_madvise waitpid \
1325 ptrace64 sigaltstack mkdtemp])
1329 # Check the return and argument types of ptrace. No canned test for
1330 # this, so roll our own.
1331 gdb_ptrace_headers='
1332 #include <sys/types.h>
1333 #if HAVE_SYS_PTRACE_H
1334 # include <sys/ptrace.h>
1337 # include <unistd.h>
1340 # There is no point in checking if we don't have a prototype.
1341 AC_CHECK_DECLS(ptrace, [], [
1342 : ${gdb_cv_func_ptrace_ret='int'}
1343 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1344 ], $gdb_ptrace_headers)
1345 # Check return type. Varargs (used on GNU/Linux) conflict with the
1346 # empty argument list, so check for that explicitly.
1347 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1348 AC_TRY_COMPILE($gdb_ptrace_headers,
1349 [extern long ptrace (enum __ptrace_request, ...);],
1350 gdb_cv_func_ptrace_ret='long',
1351 AC_TRY_COMPILE($gdb_ptrace_headers,
1352 [extern int ptrace ();],
1353 gdb_cv_func_ptrace_ret='int',
1354 gdb_cv_func_ptrace_ret='long')))
1355 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1356 [Define as the return type of ptrace.])
1357 # Check argument types.
1358 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1359 AC_TRY_COMPILE($gdb_ptrace_headers,
1360 [extern long ptrace (enum __ptrace_request, ...);],
1361 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1362 for gdb_arg1 in 'int' 'long'; do
1363 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1364 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1365 for gdb_arg4 in 'int' 'long' 'void *'; do
1366 AC_TRY_COMPILE($gdb_ptrace_headers, [
1367 extern $gdb_cv_func_ptrace_ret
1368 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1369 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1371 for gdb_arg5 in 'int *' 'int' 'long'; do
1372 AC_TRY_COMPILE($gdb_ptrace_headers, [
1373 extern $gdb_cv_func_ptrace_ret
1374 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1376 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1383 # Provide a safe default value.
1384 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1386 ac_save_IFS=$IFS; IFS=','
1387 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1390 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1391 [Define to the type of arg 3 for ptrace.])
1392 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4],
1393 [Define to the type of arg 4 for ptrace.])
1394 if test -n "$[5]"; then
1395 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1396 [Define to the type of arg 5 for ptrace.])
1399 dnl AC_FUNC_SETPGRP does not work when cross compiling
1400 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1401 if test "$cross_compiling" = no; then
1404 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1408 if (setpgrp(1,1) == -1)
1412 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1413 if test $ac_cv_func_setpgrp_void = yes; then
1414 AC_DEFINE(SETPGRP_VOID, 1)
1418 # Assume we'll default to using the included libiberty regex.
1419 gdb_use_included_regex=yes
1421 # However, if the system regex is GNU regex, then default to *not*
1422 # using the included regex.
1425 [gdb_cv_have_gnu_regex],
1427 [#include <gnu-versions.h>],
1428 [#define REGEX_INTERFACE_VERSION 1
1429 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1430 # error "Version mismatch"
1432 gdb_cv_have_gnu_regex=yes,
1433 gdb_cv_have_gnu_regex=no)])
1434 if test $gdb_cv_have_gnu_regex = yes; then
1435 gdb_use_included_regex=no
1438 AC_ARG_WITH(included-regex,
1439 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1440 gdb_with_regex=$withval,
1441 gdb_with_regex=$gdb_use_included_regex)
1442 if test "$gdb_with_regex" = yes; then
1443 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1444 [Define to 1 if the regex included in libiberty should be used.])
1447 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1448 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1449 [#include <sys/param.h>
1450 #include <sys/proc.h>
1453 # See if <sys/lwp.h> defines `struct lwp`.
1454 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1455 [AC_TRY_COMPILE([#include <sys/param.h>
1456 #include <sys/lwp.h>], [struct lwp l;],
1457 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1458 if test $gdb_cv_struct_lwp = yes; then
1459 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1460 [Define to 1 if your system has struct lwp.])
1463 # See if <machine/reg.h> degines `struct reg'.
1464 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1465 [AC_TRY_COMPILE([#include <sys/types.h>
1466 #include <machine/reg.h>], [struct reg r;],
1467 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1468 if test $gdb_cv_struct_reg = yes; then
1469 AC_DEFINE(HAVE_STRUCT_REG, 1,
1470 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1473 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1474 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1475 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1476 [#include <machine/reg.h>])
1478 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1479 # Older amd64 Linux's don't have the fs_base and gs_base members of
1480 # `struct user_regs_struct'.
1481 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1482 [], [], [#include <sys/user.h>])
1484 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1485 AC_MSG_CHECKING(for PTRACE_GETREGS)
1486 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1487 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1489 [gdb_cv_have_ptrace_getregs=yes],
1490 [gdb_cv_have_ptrace_getregs=no])])
1491 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1492 if test $gdb_cv_have_ptrace_getregs = yes; then
1493 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1494 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1497 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1498 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1499 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1500 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1501 [PTRACE_GETFPXREGS;],
1502 [gdb_cv_have_ptrace_getfpxregs=yes],
1503 [gdb_cv_have_ptrace_getfpxregs=no])])
1504 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1505 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1506 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1507 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1510 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1511 AC_MSG_CHECKING(for PT_GETDBREGS)
1512 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1513 [AC_TRY_COMPILE([#include <sys/types.h>
1514 #include <sys/ptrace.h>],
1516 [gdb_cv_have_pt_getdbregs=yes],
1517 [gdb_cv_have_pt_getdbregs=no])])
1518 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1519 if test $gdb_cv_have_pt_getdbregs = yes; then
1520 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1521 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1524 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1525 AC_MSG_CHECKING(for PT_GETXMMREGS)
1526 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1527 [AC_TRY_COMPILE([#include <sys/types.h>
1528 #include <sys/ptrace.h>],
1530 [gdb_cv_have_pt_getxmmregs=yes],
1531 [gdb_cv_have_pt_getxmmregs=no])])
1532 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1533 if test $gdb_cv_have_pt_getxmmregs = yes; then
1534 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1535 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1538 # Detect which type of /proc is in use, such as for Solaris.
1540 if test "${target}" = "${host}"; then
1542 *-*-sysv4.2* | *-*-sysv5* )
1543 AC_DEFINE(NEW_PROC_API, 1,
1544 [Define if you want to use new multi-fd /proc interface.])
1546 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1547 AC_DEFINE(NEW_PROC_API, 1,
1548 [Define if you want to use new multi-fd /proc interface.])
1551 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1552 AC_DEFINE([_KMEMUSER], 1,
1553 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1554 around a <sys/proc.h> problem on IRIX 5.])
1559 if test "$ac_cv_header_sys_procfs_h" = yes; then
1560 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1561 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1562 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1563 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1564 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1565 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1566 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1567 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1568 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1569 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1570 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1573 dnl Check for broken prfpregset_t type
1575 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1576 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1577 dnl instead of the struct itself). We detect this here, and work
1578 dnl around it in gdb_proc_service.h.
1580 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1581 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1582 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1583 [AC_TRY_RUN([#include <sys/procfs.h>
1586 if (sizeof (prfpregset_t) == sizeof (void *))
1590 gdb_cv_prfpregset_t_broken=no,
1591 gdb_cv_prfpregset_t_broken=yes,
1592 gdb_cv_prfpregset_t_broken=yes)])
1593 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1594 if test $gdb_cv_prfpregset_t_broken = yes; then
1595 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1596 [Define if the prfpregset_t type is broken.])
1601 # Check if the compiler supports the `long long' type.
1603 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1604 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1605 [[extern long long foo;]],
1606 [[switch (foo & 2) { case 0: return 1; }]])],
1607 gdb_cv_c_long_long=yes,
1608 gdb_cv_c_long_long=no)])
1609 if test $gdb_cv_c_long_long != yes; then
1610 # libdecnumber requires long long.
1611 AC_MSG_ERROR([Compiler must support long long for GDB.])
1614 # Check if the compiler and runtime support printing long longs.
1616 AC_CACHE_CHECK([for long long support in printf],
1617 gdb_cv_printf_has_long_long,
1618 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1621 l = (l << 16) + 0x0123;
1622 l = (l << 16) + 0x4567;
1623 l = (l << 16) + 0x89ab;
1624 l = (l << 16) + 0xcdef;
1625 sprintf (buf, "0x%016llx", l);
1626 return (strcmp ("0x0123456789abcdef", buf));]])],
1627 gdb_cv_printf_has_long_long=yes,
1628 gdb_cv_printf_has_long_long=no,
1629 gdb_cv_printf_has_long_long=no)])
1630 if test $gdb_cv_printf_has_long_long = yes; then
1631 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1632 [Define to 1 if the "%ll" format works to print long longs.])
1635 # Check if the compiler and runtime support printing decfloats.
1637 AC_CACHE_CHECK([for decfloat support in printf],
1638 gdb_cv_printf_has_decfloat,
1639 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1641 _Decimal32 d32 = 1.2345df;
1642 _Decimal64 d64 = 1.2345dd;
1643 _Decimal128 d128 = 1.2345dl;
1644 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1645 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1646 gdb_cv_printf_has_decfloat=yes,
1647 gdb_cv_printf_has_decfloat=no,
1648 gdb_cv_printf_has_decfloat=no)])
1649 if test $gdb_cv_printf_has_decfloat = yes; then
1650 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1651 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1654 # Check if the compiler supports the `long double' type. We can't use
1655 # AC_C_LONG_DOUBLE because that one does additional checks on the
1656 # constants defined in <float.h> that fail on some systems,
1657 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1659 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1660 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1661 gdb_cv_c_long_double=yes,
1662 gdb_cv_c_long_double=no)])
1663 if test $gdb_cv_c_long_double = yes; then
1664 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1665 [Define to 1 if the compiler supports long double.])
1668 # Check if the compiler and runtime support printing long doubles.
1670 AC_CACHE_CHECK([for long double support in printf],
1671 gdb_cv_printf_has_long_double,
1672 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1674 long double f = 3.141592653;
1675 sprintf (buf, "%Lg", f);
1676 return (strncmp ("3.14159", buf, 7));]])],
1677 gdb_cv_printf_has_long_double=yes,
1678 gdb_cv_printf_has_long_double=no,
1679 gdb_cv_printf_has_long_double=no)])
1680 if test $gdb_cv_printf_has_long_double = yes; then
1681 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1682 [Define to 1 if the "%Lg" format works to print long doubles.])
1685 # Check if the compiler and runtime support scanning long doubles.
1687 AC_CACHE_CHECK([for long double support in scanf],
1688 gdb_cv_scanf_has_long_double,
1689 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1690 [[#include <stdio.h>]],
1691 [[char *buf = "3.141592653";
1693 sscanf (buf, "%Lg", &f);
1694 return !(f > 3.14159 && f < 3.14160);]])],
1695 gdb_cv_scanf_has_long_double=yes,
1696 gdb_cv_scanf_has_long_double=no,
1697 gdb_cv_scanf_has_long_double=no)])
1698 if test $gdb_cv_scanf_has_long_double = yes; then
1699 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1700 [Define to 1 if the "%Lg" format works to scan long doubles.])
1705 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1706 SAVE_LDFLAGS=$LDFLAGS
1709 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1710 *) gdb_cv_bigtoc=-bbigtoc ;;
1713 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1714 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1715 LDFLAGS="${SAVE_LDFLAGS}"
1717 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1721 AC_MSG_CHECKING(for the dynamic export flag)
1723 if test "${gdb_native}" = yes; then
1724 # The dynamically loaded libthread_db needs access to symbols in the gdb
1725 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1726 # may not be supported there.
1727 old_LDFLAGS="$LDFLAGS"
1728 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1729 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1730 LDFLAGS="$LDFLAGS $RDYNAMIC"
1731 if test "${have_libpython}" = no; then
1732 AC_TRY_LINK([], [], [dynamic_list=true])
1734 # Workaround http://bugs.python.org/issue4434 where static
1735 # libpythonX.Y.a would get its symbols required for
1736 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1737 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1738 old_CFLAGS="$CFLAGS"
1739 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1741 LIBS="$LIBS $PYTHON_LIBS"
1744 [#include "]${have_libpython}[/Python.h"],
1747 err = PyRun_SimpleString ("import itertools\n");
1749 return err == 0 ? 0 : 1;]),
1750 [dynamic_list=true], [], [true])
1752 CFLAGS="$old_CFLAGS"
1754 LDFLAGS="$old_LDFLAGS"
1756 if $dynamic_list; then
1757 found="-Wl,--dynamic-list"
1758 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1761 RDYNAMIC="-rdynamic"
1764 AC_MSG_RESULT($found)
1766 dnl For certain native configurations, we need to check whether thread
1767 dnl support can be built in or not.
1769 dnl Note that we only want this if we are both native (host == target),
1770 dnl and not doing a canadian cross build (build == host).
1772 if test ${build} = ${host} -a ${host} = ${target} ; then
1775 # See if thread_db library is around for Solaris thread debugging.
1776 # Note that we must explicitly test for version 1 of the library
1777 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1779 AC_MSG_CHECKING(for Solaris thread debugging library)
1780 if test -f /usr/lib/libthread_db.so.1 ; then
1782 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1783 [Define if using Solaris thread debugging.])
1784 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1785 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1786 AC_CHECK_LIB(dl, dlopen)
1787 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1788 # Sun randomly tweaked the prototypes in <proc_service.h>
1790 AC_MSG_CHECKING(if <proc_service.h> is old)
1791 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1793 #include <proc_service.h>
1795 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1796 ],, gdb_cv_proc_service_is_old=no,
1797 gdb_cv_proc_service_is_old=yes)
1799 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1800 if test $gdb_cv_proc_service_is_old = yes; then
1801 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1802 [Define if <proc_service.h> on solaris uses int instead of
1803 size_t, and assorted other type changes.])
1810 AC_MSG_CHECKING(for AiX thread debugging library)
1811 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1812 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1813 [#ifndef PTHDB_VERSION_3
1816 gdb_cv_have_aix_thread_debug=yes,
1817 gdb_cv_have_aix_thread_debug=no)])
1818 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1819 if test $gdb_cv_have_aix_thread_debug = yes; then
1820 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1821 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1822 LIBS="$LIBS -lpthdebug"
1824 # Older versions of AIX do not provide the declaration for
1825 # the getthrds function (it appears that it was introduced
1827 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1831 AC_SUBST(CONFIG_LDFLAGS)
1834 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1835 dnl other error codes.
1836 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1837 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1838 gdb_cv_thread_db_h_has_td_notalloc,
1840 [#include <thread_db.h>],
1841 [int i = TD_NOTALLOC;],
1842 gdb_cv_thread_db_h_has_td_notalloc=yes,
1843 gdb_cv_thread_db_h_has_td_notalloc=no
1846 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1847 gdb_cv_thread_db_h_has_td_version,
1849 [#include <thread_db.h>],
1850 [int i = TD_VERSION;],
1851 gdb_cv_thread_db_h_has_td_version=yes,
1852 gdb_cv_thread_db_h_has_td_version=no
1855 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1856 gdb_cv_thread_db_h_has_td_notls,
1858 [#include <thread_db.h>],
1859 [int i = TD_NOTLS;],
1860 gdb_cv_thread_db_h_has_td_notls=yes,
1861 gdb_cv_thread_db_h_has_td_notls=no
1865 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1866 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1867 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1869 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1870 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1871 [Define if <thread_db.h> has the TD_VERSION error code.])
1873 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1874 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1875 [Define if <thread_db.h> has the TD_NOTLS error code.])
1878 dnl See if we have a sys/syscall header file that has __NR_tkill.
1879 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1880 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1881 gdb_cv_sys_syscall_h_has_tkill,
1883 [#include <sys/syscall.h>],
1884 [int i = __NR_tkill;],
1885 gdb_cv_sys_syscall_h_has_tkill=yes,
1886 gdb_cv_sys_syscall_h_has_tkill=no
1890 dnl See if we can issue tkill syscall.
1891 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then
1892 AC_CHECK_FUNC(syscall,
1893 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1897 dnl Check if we can disable the virtual address space randomization.
1898 dnl The functionality of setarch -R.
1899 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1900 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1901 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1902 # define ADDR_NO_RANDOMIZE 0x0040000
1904 /* Test the flag could be set and stays set. */
1905 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1906 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1908 AC_RUN_IFELSE([PERSONALITY_TEST],
1909 [have_personality=true],
1910 [have_personality=false],
1911 [AC_LINK_IFELSE([PERSONALITY_TEST],
1912 [have_personality=true],
1913 [have_personality=false])])
1914 if $have_personality
1916 AC_DEFINE([HAVE_PERSONALITY], 1,
1917 [Define if you support the personality syscall.])
1920 dnl Set the host's .gdbinit filename.
1929 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1931 dnl Handle optional features that can be enabled.
1933 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1934 # except that the argument to --with-sysroot is optional.
1935 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1936 if test "x$with_sysroot" = xyes; then
1937 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1939 AC_ARG_WITH(sysroot,
1940 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1941 [search for usr/lib et al within DIR]),
1942 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1943 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1944 [search for usr/lib et al within DIR])
1945 AC_SUBST(TARGET_SYSTEM_ROOT)
1946 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1948 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1949 [automatically load a system-wide gdbinit file],
1952 AC_ARG_ENABLE(werror,
1953 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1954 [case "${enableval}" in
1955 yes | y) ERROR_ON_WARNING="yes" ;;
1956 no | n) ERROR_ON_WARNING="no" ;;
1957 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1960 # Enable -Werror by default when using gcc. Turn it off for releases.
1961 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
1962 ERROR_ON_WARNING=yes
1966 if test "${ERROR_ON_WARNING}" = yes ; then
1967 WERROR_CFLAGS="-Werror"
1970 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1972 -Wno-unused -Wunused-value -Wunused-function \
1973 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
1974 -Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
1975 -Wold-style-declaration -Wold-style-definition"
1977 # Enable -Wno-format by default when using gcc on mingw since many
1978 # GCC versions complain about %I64.
1980 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1981 *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
1984 AC_ARG_ENABLE(build-warnings,
1985 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1986 [case "${enableval}" in
1988 no) build_warnings="-w";;
1989 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1990 build_warnings="${build_warnings} ${t}";;
1991 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1992 build_warnings="${t} ${build_warnings}";;
1993 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1995 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1996 echo "Setting compiler warning flags = $build_warnings" 6>&1
1998 AC_ARG_ENABLE(gdb-build-warnings,
1999 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
2000 [case "${enableval}" in
2002 no) build_warnings="-w";;
2003 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2004 build_warnings="${build_warnings} ${t}";;
2005 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2006 build_warnings="${t} ${build_warnings}";;
2007 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
2009 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
2010 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
2013 if test "x${build_warnings}" != x -a "x$GCC" = xyes
2015 AC_MSG_CHECKING(compiler warning flags)
2016 # Separate out the -Werror flag as some files just cannot be
2017 # compiled with it enabled.
2018 for w in ${build_warnings}; do
2020 -Werr*) WERROR_CFLAGS=-Werror ;;
2021 *) # Check that GCC accepts it
2022 saved_CFLAGS="$CFLAGS"
2024 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
2025 CFLAGS="$saved_CFLAGS"
2028 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
2030 AC_SUBST(WARN_CFLAGS)
2031 AC_SUBST(WERROR_CFLAGS)
2033 # In the Cygwin environment, we need some additional flags.
2034 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
2035 [AC_EGREP_CPP(^lose$, [
2036 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
2038 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
2041 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
2042 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
2044 *go32* ) SER_HARDWIRE=ser-go32.o ;;
2045 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
2046 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
2048 AC_SUBST(SER_HARDWIRE)
2050 # libreadline needs libuser32.a in a cygwin environment
2052 if test x$gdb_cv_os_cygwin = xyes; then
2053 WIN32LIBS="-luser32"
2055 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
2060 # The ser-tcp.c module requires sockets.
2063 AC_DEFINE(USE_WIN32API, 1,
2064 [Define if we should use the Windows API, instead of the
2065 POSIX API. On Windows, we use the Windows API when
2066 building for MinGW, but the POSIX API when building
2068 WIN32LIBS="$WIN32LIBS -lws2_32"
2073 # Add ELF support to GDB, but only if BFD includes ELF support.
2074 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
2075 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
2076 if test $gdb_cv_var_elf = yes; then
2077 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
2078 AC_DEFINE(HAVE_ELF, 1,
2079 [Define if ELF support should be included.])
2080 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
2081 if test "$plugins" = "yes"; then
2082 AC_SEARCH_LIBS(dlopen, dl)
2086 # Add macho support to GDB, but only if BFD includes it.
2087 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
2088 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
2089 if test $gdb_cv_var_macho = yes; then
2090 CONFIG_OBS="$CONFIG_OBS machoread.o"
2093 # Add SOM support to GDB, but only if BFD includes it.
2094 GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
2095 [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
2096 if test $gdb_cv_var_som = yes; then
2097 CONFIG_OBS="$CONFIG_OBS somread.o"
2100 # Add any host-specific objects to GDB.
2101 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
2103 # If building on ELF, look for lzma support for embedded compressed debug info.
2104 if test $gdb_cv_var_elf = yes; then
2106 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
2107 [], [with_lzma=auto])
2108 AC_MSG_CHECKING([whether to use lzma])
2109 AC_MSG_RESULT([$with_lzma])
2111 if test "${with_lzma}" != no; then
2112 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
2113 [lzma_index_iter iter;
2114 lzma_index_iter_init (&iter, 0);
2115 lzma_mf_is_supported (LZMA_MF_HC3);])
2116 if test "$HAVE_LIBLZMA" != yes; then
2117 if test "$with_lzma" = yes; then
2118 AC_MSG_ERROR([missing liblzma for --with-lzma])
2124 LIBGUI="../libgui/src/libgui.a"
2125 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2127 AC_SUBST(GUI_CFLAGS_X)
2131 AC_SUBST(WIN32LDAPP)
2134 *-*-cygwin* | *-*-mingw* )
2143 if test "${enable_gdbtk}" = "yes"; then
2145 # Gdbtk must have an absolute path to srcdir in order to run
2146 # properly when not installed.
2154 # If $no_tk is nonempty, then we can't do Tk, and there is no
2155 # point to doing Tcl.
2158 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2161 # Check for in-tree tcl
2168 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2172 # Find Tcl private headers
2173 if test x"${intree}" = xno; then
2174 CY_AC_TCL_PRIVATE_HEADERS
2175 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2176 TCL_LIBRARY="${TCL_LIB_SPEC}"
2179 # If building tcl in the same src tree, private headers
2180 # are not needed, but we need to be sure to use the right
2182 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2183 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2184 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2186 AC_SUBST(TCL_INCLUDE)
2187 AC_SUBST(TCL_LIBRARY)
2192 # Check for in-tree Tk
2194 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2198 # Find Tk private headers
2199 if test x"${intree}" = xno; then
2200 CY_AC_TK_PRIVATE_HEADERS
2201 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2202 TK_LIBRARY=${TK_LIB_SPEC}
2205 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2206 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2207 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2209 AC_SUBST(TK_INCLUDE)
2210 AC_SUBST(TK_LIBRARY)
2212 AC_SUBST(TK_XINCLUDES)
2214 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2216 # Include some libraries that Tcl and Tk want.
2217 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2218 # Yes, the ordering seems wrong here. But it isn't.
2219 # TK_LIBS is the list of libraries that need to be linked
2220 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2221 # were in LIBS then any link tests after this point would
2222 # try to include things like `$(LIBGUI)', which wouldn't work.
2223 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2225 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2226 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2227 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2228 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2229 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2230 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2231 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2233 if test x$gdb_cv_os_cygwin = xyes; then
2234 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2235 WIN32LDAPP="-Wl,--subsystem,console"
2236 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2239 AC_CONFIG_SUBDIRS(gdbtk)
2247 AC_SUBST(GDBTK_CFLAGS)
2248 AC_SUBST(GDBTK_SRC_DIR)
2252 # Unlike the sim directory, whether a simulator is linked is controlled by
2253 # presence of a gdb_sim definition in the target configure.tgt entry.
2254 # This code just checks for a few cases where we'd like to ignore those
2255 # definitions, even when they're present in the '.mt' file. These cases
2256 # are when --disable-sim is specified, or if the simulator directory is
2257 # not part of the source tree.
2260 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2261 [echo "enable_sim = $enable_sim";
2262 echo "enableval = ${enableval}";
2263 case "${enableval}" in
2264 yes) ignore_sim=false ;;
2265 no) ignore_sim=true ;;
2266 *) ignore_sim=false ;;
2270 if test ! -d "${srcdir}/../sim"; then
2276 if test "${ignore_sim}" = "false"; then
2277 if test x"${gdb_sim}" != x ; then
2279 SIM_OBS="remote-sim.o"
2280 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2286 AC_SUBST(ENABLE_CFLAGS)
2287 AC_SUBST(PROFILE_CFLAGS)
2289 AC_SUBST(CONFIG_OBS)
2290 AC_SUBST(CONFIG_DEPS)
2291 AC_SUBST(CONFIG_SRCS)
2292 AC_SUBST(CONFIG_ALL)
2293 AC_SUBST(CONFIG_CLEAN)
2294 AC_SUBST(CONFIG_INSTALL)
2295 AC_SUBST(CONFIG_UNINSTALL)
2297 # List of host floatformats.
2298 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2299 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2300 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2302 # target_subdir is used by the testsuite to find the target libraries.
2304 if test "${host}" != "${target}"; then
2305 target_subdir="${target_alias}/"
2307 AC_SUBST(target_subdir)
2310 if test "${gdb_native}" = "yes"; then
2311 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2312 if test ! -f ${host_makefile_frag}; then
2313 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2315 frags="$frags $host_makefile_frag"
2317 host_makefile_frag=/dev/null
2320 AC_SUBST_FILE(host_makefile_frag)
2324 if test "${gdb_native}" = "yes"; then
2325 # We pick this up from the host configuration file (.mh) because we
2326 # do not have a native configuration Makefile fragment.
2327 nativefile=`sed -n '
2328 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2329 ' ${host_makefile_frag}`
2333 if test x"${gdb_osabi}" != x ; then
2334 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2335 [Define to the default OS ABI for this configuration.])
2338 # Enable multi-ice-gdb-server.
2339 AC_ARG_ENABLE(multi-ice,
2340 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2344 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2346 if test "x$enable_multi_ice" = xyes; then
2347 AC_CONFIG_SUBDIRS(multi-ice)
2350 AC_ARG_ENABLE(gdbserver,
2351 AS_HELP_STRING([--enable-gdbserver],
2352 [automatically build gdbserver (yes/no/auto, default is auto)]),
2353 [case "${enableval}" in
2355 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2356 esac],[enable_gdbserver=auto])
2358 # We only build gdbserver automatically in a native configuration, and
2359 # only if the user did not explicitly disable its build.
2360 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2361 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2362 if test "x$build_gdbserver" = xyes; then
2364 AC_CONFIG_SUBDIRS(gdbserver)
2365 gdbserver_build_enabled=yes
2371 # If the user explicitly request the gdbserver to be built, verify that
2372 # we were in fact able to enable it.
2373 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2374 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2377 # Check for babeltrace and babeltrace-ctf
2378 AC_ARG_WITH(babeltrace,
2379 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2380 [], [with_babeltrace=auto])
2381 AC_MSG_CHECKING([whether to use babeltrace])
2382 AC_MSG_RESULT([$with_babeltrace])
2384 if test "x$with_babeltrace" = "xno"; then
2385 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2387 # Append -Werror to CFLAGS so that configure can catch the warning
2388 # "assignment from incompatible pointer type", which is related to
2389 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2390 # in GDB, while babeltrace 1.0.3 is broken.
2391 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2392 # safe to save and restore CFLAGS here.
2393 saved_CFLAGS=$CFLAGS
2394 CFLAGS="$CFLAGS -Werror"
2395 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2396 [#include <babeltrace/babeltrace.h>
2397 #include <babeltrace/ctf/events.h>
2398 #include <babeltrace/ctf/iterator.h>],
2399 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2400 struct bt_ctf_event *event = NULL;
2401 const struct bt_definition *scope;
2403 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2404 scope = bt_ctf_get_top_level_scope (event,
2405 BT_STREAM_EVENT_HEADER);
2406 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2408 CFLAGS=$saved_CFLAGS
2410 if test "$HAVE_LIBBABELTRACE" != yes; then
2411 if test "$with_babeltrace" = yes; then
2412 AC_MSG_ERROR([babeltrace is missing or unusable])
2414 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2419 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2420 # to an empty version.
2426 if test "${nativefile}" != ""; then
2427 case "${nativefile}" in
2428 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2429 * ) GDB_NM_FILE="${nativefile}"
2431 files="${files} ${GDB_NM_FILE}"
2432 links="${links} nm.h"
2433 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2435 AC_SUBST(GDB_NM_FILE)
2437 AC_LINK_FILES($files, $links)
2439 dnl Check for exe extension set on certain hosts (e.g. Win32)
2442 dnl Detect the character set used by this host.
2443 dnl At the moment, we just assume it's UTF-8.
2444 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2445 [Define to be a string naming the default host character set.])
2447 # Undo the $ec_script escaping suitable for Makefile.
2448 transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'`
2449 GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"`
2450 if test "x$GDB_TRANSFORM_NAME" = x; then
2451 GDB_TRANSFORM_NAME=gdb
2453 AC_SUBST(GDB_TRANSFORM_NAME)
2454 GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"`
2455 if test "x$GCORE_TRANSFORM_NAME" = x; then
2456 GCORE_TRANSFORM_NAME=gcore
2458 AC_SUBST(GCORE_TRANSFORM_NAME)
2459 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2461 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2463 case x$CONFIG_HEADERS in
2464 xconfig.h:config.in)