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 # Accumulate some settings from configure.tgt over all enabled targets
212 HAVE_NATIVE_GCORE_TARGET=
214 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
216 if test "$targ_alias" = "all"; then
219 # Canonicalize the secondary target names.
220 result=`$ac_config_sub $targ_alias 2>/dev/null`
221 if test -n "$result"; then
227 . ${srcdir}/configure.tgt
229 AS_IF([test -z "${gdb_target_obs}"],
230 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
232 # Target-specific object files
233 for i in ${gdb_target_obs}; do
234 case " $TARGET_OBS " in
237 TARGET_OBS="$TARGET_OBS ${i}"
242 # Check whether this target needs 64-bit CORE_ADDR
243 if test x${want64} = xfalse; then
244 . ${srcdir}/../bfd/config.bfd
247 # Check whether this target is native and supports gcore.
248 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
249 && $gdb_have_gcore; then
250 HAVE_NATIVE_GCORE_TARGET=1
255 if test x${all_targets} = xtrue; then
257 # We want all 64-bit targets if we either:
258 # - run on a 64-bit host or
259 # - already require 64-bit support for some other target or
260 # - the --enable-64-bit-bfd option was supplied
261 # Otherwise we only support all 32-bit targets.
263 # NOTE: This test must be in sync with the corresponding
266 if test x${want64} = xfalse; then
267 AC_CHECK_SIZEOF(long)
268 if test "x${ac_cv_sizeof_long}" = "x8"; then
272 if test x${want64} = xtrue; then
273 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
275 TARGET_OBS='$(ALL_TARGET_OBS)'
280 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
282 # For other settings, only the main target counts.
286 targ=$target; . ${srcdir}/configure.tgt
288 # Fetch the default architecture and default target vector from BFD.
289 targ=$target; . $srcdir/../bfd/config.bfd
291 # We only want the first architecture, so strip off the others if
292 # there is more than one.
293 targ_archs=`echo $targ_archs | sed 's/ .*//'`
295 if test "x$targ_archs" != x; then
296 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
297 [Define to BFD's default architecture. ])
299 if test "x$targ_defvec" != x; then
300 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
301 [Define to BFD's default target vector. ])
304 # The CLI cannot be disabled yet, but may be in the future.
307 AC_ARG_ENABLE(gdbcli,
308 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
313 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
315 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
318 if test x"$enable_gdbcli" = xyes; then
319 if test -d $srcdir/cli; then
320 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
321 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
322 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
323 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
329 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
334 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
337 if test x"$enable_gdbmi" = xyes; then
338 if test -d $srcdir/mi; then
339 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
340 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
341 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
342 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
348 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
353 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
354 esac],enable_tui=auto)
358 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
363 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
365 [if test -d $srcdir/gdbtk; then
370 # We unconditionally disable gdbtk tests on selected platforms.
373 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
377 # Libunwind support for ia64.
379 AC_ARG_WITH(libunwind-ia64,
380 AS_HELP_STRING([--with-libunwind-ia64],
381 [use libunwind frame unwinding for ia64 targets]),,
382 [with_libunwind_ia64=auto])
384 # Backward compatibility option.
385 if test "${with_libunwind+set}" = set; then
386 if test x"$with_libunwind_ia64" != xauto; then
388 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
390 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
391 with_libunwind_ia64="$with_libunwind"
394 case "$with_libunwind_ia64" in
398 AC_CHECK_HEADERS(libunwind-ia64.h)
399 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
403 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
407 if test x"$with_libunwind_ia64" = xyes; then
408 AC_CHECK_HEADERS(libunwind-ia64.h)
409 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
410 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
412 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
413 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
414 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
418 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
421 if test "$opt_curses" = "yes"; then
426 AC_ARG_ENABLE(profiling,
427 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
432 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
434 [enable_profiling=no])
436 AC_CHECK_FUNCS(monstartup _mcleanup)
437 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
442 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
443 if test $ac_cv_var__etext = yes; then
444 AC_DEFINE(HAVE__ETEXT, 1,
445 [Define to 1 if your system has the _etext variable. ])
447 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
452 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
453 if test $ac_cv_var_etext = yes; then
454 AC_DEFINE(HAVE_ETEXT, 1,
455 [Define to 1 if your system has the etext variable. ])
457 if test "$enable_profiling" = yes ; then
458 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
459 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
463 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
465 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
466 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
467 ac_cv_cc_supports_pg=no)])
469 if test $ac_cv_cc_supports_pg = no; then
470 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
476 ACX_PKGVERSION([GDB])
477 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
478 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
479 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
481 # --------------------- #
482 # Checks for programs. #
483 # --------------------- #
491 AC_CHECK_TOOL(AR, ar)
492 AC_CHECK_TOOL(DLLTOOL, dlltool)
493 AC_CHECK_TOOL(WINDRES, windres)
497 # Needed for GNU Hurd hosts.
498 AC_CHECK_TOOL(MIG, mig)
499 if test x"$MIG" = x; then
500 AC_MSG_ERROR([MIG not found but required for $host hosts])
505 # ---------------------- #
506 # Checks for libraries. #
507 # ---------------------- #
509 # We might need to link with -lm; most simulators need it.
510 AC_CHECK_LIB(m, main)
512 # We need to link with -lw to get `wctype' on Solaris before Solaris
513 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
514 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
515 # is known to have this problem). Therefore we avoid libw if we can.
516 AC_CHECK_FUNC(wctype, [],
517 [AC_CHECK_LIB(w, wctype)])
519 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
520 AC_SEARCH_LIBS(gethostbyname, nsl)
522 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
523 AC_SEARCH_LIBS(socketpair, socket)
525 # Link in zlib if we can. This allows us to read compressed debug sections.
528 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
529 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
533 # GDB may fork/exec the iconv program to get the list of supported character
534 # sets. Allow the user to specify where to find it.
535 # There are several factors affecting the choice of option name:
536 # - There is already --with-libiconv-prefix but we can't use it, it specifies
537 # the build-time location of libiconv files.
538 # - The program we need to find is iconv, which comes with glibc. The user
539 # doesn't necessarily have libiconv installed. Therefore naming this
540 # --with-libiconv-foo feels wrong.
541 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
542 # defined to work on directories not files (though it really doesn't know
544 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
545 # with --with-libiconv-prefix.
546 # Putting these together is why the option name is --with-iconv-bin.
548 AC_ARG_WITH(iconv-bin,
549 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
550 [iconv_bin="${withval}"
551 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
552 [Path of directory of iconv program.])
553 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
556 # For the TUI, we need enhanced curses functionality.
557 if test x"$enable_tui" != xno; then
562 if test x"$prefer_curses" = xyes; then
563 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
564 # curses library because the latter might not provide all the
565 # functionality we need. However, this leads to problems on systems
566 # where the linker searches /usr/local/lib, but the compiler doesn't
567 # search /usr/local/include, if ncurses is installed in /usr/local. A
568 # default installation of ncurses on alpha*-dec-osf* will lead to such
570 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
572 if test "$ac_cv_search_waddstr" != no; then
577 # Check whether we should enable the TUI, but only do so if we really
579 if test x"$enable_tui" != xno; then
580 if test -d $srcdir/tui; then
581 if test "$curses_found" != no; then
582 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
583 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
584 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
585 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
587 if test x"$enable_tui" = xyes; then
588 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
590 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
596 # Since GDB uses Readline, we need termcap functionality. In many
597 # cases this will be provided by the curses library, but some systems
598 # have a seperate termcap library, or no curses library at all.
602 if test -d $srcdir/libtermcap; then
603 LIBS="../libtermcap/libtermcap.a $LIBS"
604 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
607 ac_cv_search_tgetent="none required"
610 if test x"$curses_found" != xyes; then
611 ac_cv_search_tgetent="none required"
612 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
616 # These are the libraries checked by Readline.
617 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
619 if test "$ac_cv_search_tgetent" = no; then
620 AC_MSG_ERROR([no termcap library found])
623 AC_ARG_WITH([system-readline],
624 [AS_HELP_STRING([--with-system-readline],
625 [use installed readline library])])
627 if test "$with_system_readline" = yes; then
631 READLINE_TEXI_INCFLAG=
633 READLINE='$(READLINE_DIR)/libreadline.a'
634 READLINE_DEPS='$(READLINE)'
635 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
636 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
639 AC_SUBST(READLINE_DEPS)
640 AC_SUBST(READLINE_CFLAGS)
641 AC_SUBST(READLINE_TEXI_INCFLAG)
643 # Generate jit-reader.h
645 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
648 AC_CHECK_SIZEOF(unsigned long long)
649 AC_CHECK_SIZEOF(unsigned long)
650 AC_CHECK_SIZEOF(unsigned __int128)
652 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
653 TARGET_PTR="unsigned long"
654 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
655 TARGET_PTR="unsigned long long"
656 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
657 TARGET_PTR="unsigned __int128"
659 TARGET_PTR="unsigned long"
663 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
665 AC_SEARCH_LIBS(dlopen, dl)
667 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
668 [directory to load the JIT readers from],
672 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
673 [], [with_expat=auto])
674 AC_MSG_CHECKING([whether to use expat])
675 AC_MSG_RESULT([$with_expat])
677 if test "${with_expat}" = no; then
678 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
681 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
682 [XML_Parser p = XML_ParserCreate (0);])
683 if test "$HAVE_LIBEXPAT" != yes; then
684 if test "$with_expat" = yes; then
685 AC_MSG_ERROR([expat is missing or unusable])
687 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
691 LIBS="$LIBS $LIBEXPAT"
692 AC_CHECK_FUNCS(XML_StopParser)
697 # --------------------- #
698 # Check for libpython. #
699 # --------------------- #
701 dnl Utility to simplify finding libpython.
703 dnl $2 = the shell variable to assign the result to
704 dnl If libpython is found we store $version here.
705 dnl $3 = additional flags to add to CPPFLAGS
706 dnl $4 = additional flags to add to LIBS
708 AC_DEFUN([AC_TRY_LIBPYTHON],
711 define([have_libpython_var],$2)
714 AC_MSG_CHECKING([for ${version}])
715 save_CPPFLAGS=$CPPFLAGS
717 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
718 LIBS="$LIBS $new_LIBS"
719 found_usable_python=no
720 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
721 [[Py_Initialize ();]]),
722 [have_libpython_var=${version}
723 found_usable_python=yes
724 PYTHON_CPPFLAGS=$new_CPPFLAGS
725 PYTHON_LIBS=$new_LIBS])
726 CPPFLAGS=$save_CPPFLAGS
728 AC_MSG_RESULT([${found_usable_python}])
731 dnl There are several different values for --with-python:
733 dnl no - Don't include python support.
734 dnl yes - Include python support, error if it's missing.
735 dnl If we find python in $PATH, use it to fetch configure options,
736 dnl otherwise assume the compiler can find it with no help from us.
737 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
738 dnl auto - Same as "yes", but if python is missing from the system,
739 dnl fall back to "no".
740 dnl /path/to/python/exec-prefix -
741 dnl Use the python located in this directory.
742 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
743 dnl the compilation parameters. Otherwise use
744 dnl -I/path/to/python/exec-prefix/include,
745 dnl -L/path/to/python/exec-prefix/lib.
746 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
747 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
748 dnl but is deprecated.
749 dnl /path/to/python/executable -
750 dnl Run python-config.py with this version of python to fetch the
751 dnl compilation parameters.
752 dnl NOTE: This needn't be the real python executable.
753 dnl In a cross-compilation scenario (build != host), this could be
754 dnl a shell script that provides what python-config.py provides for
755 dnl --ldflags, --includes, --exec-prefix.
756 dnl python-executable -
757 dnl Find python-executable in $PATH, and then handle the same as
758 dnl /path/to/python/executable.
760 dnl If a python program is specified, it is used to run python-config.py and
761 dnl is passed --ldflags, --includes, --exec-prefix.
764 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
765 [], [with_python=auto])
766 AC_MSG_CHECKING([whether to use python])
767 AC_MSG_RESULT([$with_python])
769 if test "${with_python}" = no; then
770 AC_MSG_WARN([python support disabled; some features may be unavailable.])
773 case "${with_python}" in
774 [[\\/]]* | ?:[[\\/]]*)
775 if test -d ${with_python}; then
776 # Assume the python binary is ${with_python}/bin/python.
777 python_prog="${with_python}/bin/python"
779 # If python does not exit ${with_python}/bin, then try in
780 # ${with_python}. On Windows/MinGW, this is where the Python
782 if test ! -x "${python_prog}"; then
783 python_prog="${with_python}/python"
786 if test ! -x "${python_prog}"; then
787 # Fall back to gdb 7.0/7.1 behaviour.
789 python_prefix=${with_python}
791 elif test -x "${with_python}"; then
792 # While we can't run python compiled for $host (unless host == build),
793 # the user could write a script that provides the needed information,
794 # so we support that.
795 python_prog=${with_python}
798 AC_ERROR(invalid value for --with-python)
802 # Disallow --with-python=foo/bar.
803 AC_ERROR(invalid value for --with-python)
806 # The user has either specified auto, yes, or the name of the python
807 # program assumed to be in $PATH.
809 case "${with_python}" in
811 if test ${build} = ${host}; then
812 AC_PATH_PROG(python_prog_path, python, missing)
813 if test "${python_prog_path}" = missing; then
816 python_prog=${python_prog_path}
819 # Not much we can do except assume the cross-compiler will find the
825 # While we can't run python compiled for $host (unless host == build),
826 # the user could write a script that provides the needed information,
827 # so we support that.
828 python_prog="${with_python}"
829 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
830 if test "${python_prog_path}" = missing; then
831 AC_ERROR(unable to find python program ${python_prog})
837 if test "${python_prog}" != missing; then
838 # We have a python program to use, but it may be too old.
839 # Don't flag an error for --with-python=auto (the default).
840 have_python_config=yes
841 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
842 if test $? != 0; then
843 have_python_config=failed
844 if test "${with_python}" != auto; then
845 AC_ERROR(failure running python-config --includes)
848 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
849 if test $? != 0; then
850 have_python_config=failed
851 if test "${with_python}" != auto; then
852 AC_ERROR(failure running python-config --ldflags)
855 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
856 if test $? != 0; then
857 have_python_config=failed
858 if test "${with_python}" != auto; then
859 AC_ERROR(failure running python-config --exec-prefix)
863 # We do not have a python executable we can use to determine where
864 # to find the Python headers and libs. We cannot guess the include
865 # path from the python_prefix either, because that include path
866 # depends on the Python version. So, there is nothing much we can
867 # do except assume that the compiler will be able to find those files.
870 have_python_config=no
873 # If we have python-config, only try the configuration it provides.
874 # Otherwise fallback on the old way of trying different versions of
878 if test "${have_python_config}" = yes; then
879 # Determine the Python version by extracting "-lpython<version>"
880 # part of the python_libs. <version> is usually X.Y with X and Y
881 # being decimal numbers, but can also be XY (seen on Windows).
883 # The extraction is performed using sed with a regular expression.
884 # Initially, the regexp used was using the '?' quantifier to make
885 # the dot in the version number optional. Unfortunately, this
886 # does not work with non-GNU versions of sed because, because of
887 # what looks like a limitation (the '?' quantifier does not work
888 # with back-references). We work around this limitation by using
889 # the '*' quantifier instead. It means that, in theory, we might
890 # match unexpected version strings such as "-lpython2..7", but
891 # this seems unlikely in practice. And even if that happens,
892 # an error will be triggered later on, when checking that version
894 python_version=`echo " ${python_libs} " \
895 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
896 case "${python_version}" in
898 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
899 ${python_includes}, ${python_libs})
902 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
905 elif test "${have_python_config}" != failed; then
906 if test "${have_libpython}" = no; then
907 AC_TRY_LIBPYTHON(python2.7, have_libpython,
908 ${python_includes}, "${python_libs} -lpython2.7")
910 if test "${have_libpython}" = no; then
911 AC_TRY_LIBPYTHON(python2.6, have_libpython,
912 ${python_includes}, "${python_libs} -lpython2.6")
914 if test ${have_libpython} = no; then
915 AC_TRY_LIBPYTHON(python2.5, have_libpython,
916 ${python_includes}, "${python_libs} -lpython2.5")
918 if test ${have_libpython} = no; then
919 AC_TRY_LIBPYTHON(python2.4, have_libpython,
920 ${python_includes}, "${python_libs} -lpython2.4")
923 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
924 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
925 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
926 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
927 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
928 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
929 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
930 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
933 if test "${have_libpython}" = no; then
934 case "${with_python}" in
936 AC_MSG_ERROR([python is missing or unusable])
939 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
942 AC_MSG_ERROR([no usable python found at ${with_python}])
946 if test -n "${python_prefix}"; then
947 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
948 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
949 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
954 if test "${have_libpython}" != no; then
955 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
956 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
957 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
958 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
959 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
960 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
962 # Flags needed to compile Python code (taken from python-config --cflags).
963 # We cannot call python-config directly because it will output whatever was
964 # used when compiling the Python interpreter itself, including flags which
965 # would make the python-related objects be compiled differently from the
966 # rest of GDB (e.g., -O2 and -fPIC).
967 if test "${GCC}" = yes; then
968 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
971 if test "x${tentative_python_cflags}" != x; then
972 AC_MSG_CHECKING(compiler flags for python code)
973 for flag in ${tentative_python_cflags}; do
974 # Check that the compiler accepts it
975 saved_CFLAGS="$CFLAGS"
976 CFLAGS="$CFLAGS $flag"
977 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
978 CFLAGS="$saved_CFLAGS"
980 AC_MSG_RESULT(${PYTHON_CFLAGS})
983 # On x64 Windows, Python's include headers, and pyconfig.h in
984 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
985 # version of Windows. Unfortunately, MS_WIN64 is only defined if
986 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
987 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
988 # The issue was reported to the Python community, but still isn't
989 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
993 if test "${GCC}" = yes; then
994 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
999 # Note that "python -m threading" cannot be used to check for
1000 # threading support due to a bug in Python 2.7.3
1001 # (http://bugs.python.org/issue15567).
1002 AC_MSG_CHECKING(whether python supports threads)
1003 saved_CPPFLAGS="${CPPFLAGS}"
1004 CPPFLAGS="${PYTHON_CPPFLAGS}"
1005 # Note that the test is reversed so that python_has_threads=yes on
1006 # unexpected failures.
1007 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1012 ]]), [python_has_threads=no], [python_has_threads=yes])
1013 AC_MSG_RESULT(${python_has_threads})
1014 CPPFLAGS="${saved_CPPFLAGS}"
1016 # Even if Python support is not compiled in, we need to have this file
1017 # included so that the "python" command, et.al., still exists.
1018 CONFIG_OBS="$CONFIG_OBS python.o"
1019 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1021 AC_SUBST(PYTHON_CFLAGS)
1022 AC_SUBST(PYTHON_CPPFLAGS)
1023 AC_SUBST(PYTHON_LIBS)
1024 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1026 # -------------------- #
1027 # Check for libguile. #
1028 # -------------------- #
1030 dnl Utility to simplify finding libguile.
1031 dnl $1 = pkg-config-program
1032 dnl $2 = space-separate list of guile versions to try
1033 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1034 dnl $4 = the shell variable to assign the result to
1035 dnl If libguile is found we store "yes" here.
1037 AC_DEFUN([AC_TRY_LIBGUILE],
1040 guile_version_list=$2
1042 define([have_libguile_var],$4)
1043 found_usable_guile=checking
1044 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1045 for guile_version in ${guile_version_list}; do
1046 ${pkg_config} --exists ${guile_version} 2>/dev/null
1047 if test $? != 0; then
1050 dnl pkg-config says the package exists, so if we get an error now,
1052 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1053 if test $? != 0; then
1054 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1056 new_LIBS=`${pkg_config} --libs ${guile_version}`
1057 if test $? != 0; then
1058 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1060 dnl If we get this far, great.
1061 found_usable_guile=${guile_version}
1064 if test "${found_usable_guile}" = "checking"; then
1065 if test "${flag_errors}" = "yes"; then
1066 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1068 found_usable_guile=no
1071 dnl One final sanity check.
1072 dnl The user could have said --with-guile=python-2.7.
1073 if test "${found_usable_guile}" != no; then
1074 save_CPPFLAGS=$CPPFLAGS
1076 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1077 LIBS="$LIBS $new_LIBS"
1078 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1079 [[scm_init_guile ();]]),
1080 [have_libguile_var=yes
1081 GUILE_CPPFLAGS=$new_CPPFLAGS
1082 GUILE_LIBS=$new_LIBS],
1083 [found_usable_guile=no])
1084 CPPFLAGS=$save_CPPFLAGS
1086 if test "${found_usable_guile}" = no; then
1087 if test "${flag_errors}" = yes; then
1088 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1092 AC_MSG_RESULT([${found_usable_guile}])
1095 dnl There are several different values for --with-guile:
1097 dnl no - Don't include guile support.
1098 dnl yes - Include guile support, error if it's missing.
1099 dnl The pkg-config program must be in $PATH.
1100 dnl auto - Same as "yes", but if guile is missing from the system,
1101 dnl fall back to "no".
1102 dnl guile-version [guile-version-choice-2 ...] -
1103 dnl A space-separated list of guile package versions to try.
1104 dnl These are passed to pkg-config as-is.
1105 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1106 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1107 dnl /path/to/pkg-config -
1108 dnl Use this pkg-config program.
1109 dnl NOTE: This needn't be the "real" pkg-config program.
1110 dnl It could be a shell script. It is invoked as:
1111 dnl pkg-config --exists $version
1112 dnl pkg-config --cflags $version
1113 dnl pkg-config --libs $version
1114 dnl pkg-config --variable guild $version
1115 dnl The script will be called with $version having each value in
1116 dnl $try_guile_versions until --exists indicates success.
1119 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1120 [], [with_guile=auto])
1121 AC_MSG_CHECKING([whether to use guile])
1122 AC_MSG_RESULT([$with_guile])
1124 dnl We check guile with pkg-config.
1125 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1127 try_guile_versions="guile-2.2 guile-2.0"
1129 case "${with_guile}" in
1131 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1134 if test "${pkg_config_prog_path}" = "missing"; then
1135 AC_MSG_WARN([pkg-config not found, guile support disabled])
1137 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1141 if test "${pkg_config_prog_path}" = "missing"; then
1142 AC_MSG_ERROR([pkg-config not found])
1144 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1146 [[\\/]]* | ?:[[\\/]]*)
1147 if test -x "${with_guile}"; then
1148 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1150 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1154 # Disallow --with=guile="" and --with-guile=foo/bar.
1155 AC_MSG_ERROR([invalid value for --with-guile])
1158 # A space separate list of guile versions to try, in order.
1159 if test "${pkg_config_prog_path}" = "missing"; then
1160 AC_MSG_ERROR([pkg-config not found])
1162 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1166 if test "${have_libguile}" != no; then
1167 dnl Get the name of the 'guild' program.
1168 case "${with_guile}" in
1169 [[\\/]]* | ?:[[\\/]]*)
1170 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1173 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1177 dnl Make sure guild can handle this host.
1178 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1179 dnl If not, disable guile support.
1180 if test "$ac_cv_guild_ok" = no; then
1182 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1186 if test "${have_libguile}" != no; then
1187 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1188 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1189 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1190 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1191 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1192 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1194 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1196 save_CPPFLAGS="$CPPFLAGS"
1198 CPPFLAGS="$GUILE_CPPFLAGS"
1199 AC_CHECK_FUNCS([scm_new_smob])
1201 CPPFLAGS="$save_CPPFLAGS"
1203 # Even if Guile support is not compiled in, we need to have these files
1205 CONFIG_OBS="$CONFIG_OBS guile.o"
1206 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1208 AC_SUBST(GUILE_CPPFLAGS)
1209 AC_SUBST(GUILE_LIBS)
1210 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1212 # --------------------- #
1213 # Check for libmcheck. #
1214 # --------------------- #
1216 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1217 # but turn it off if Python is enabled with threads, since -lmcheck is
1218 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1220 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1221 && $development; then
1222 libmcheck_default=yes
1224 libmcheck_default=no
1226 GDB_AC_LIBMCHECK(${libmcheck_default})
1228 if test "$ENABLE_LIBMCHECK" = "yes" \
1229 -a "${have_libpython}" != "no" \
1230 -a "${python_has_threads}" = "yes" ; then
1231 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1234 # ------------------------- #
1235 # Checks for header files. #
1236 # ------------------------- #
1239 # elf_hp.h is for HP/UX 64-bit shared library support.
1240 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1243 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1244 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1245 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1246 termios.h termio.h \
1249 AC_CHECK_HEADERS(sys/proc.h, [], [],
1250 [#if HAVE_SYS_PARAM_H
1251 # include <sys/param.h>
1254 AC_CHECK_HEADERS(sys/user.h, [], [],
1255 [#if HAVE_SYS_PARAM_H
1256 # include <sys/param.h>
1260 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1261 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1262 # think that we don't have <curses.h> if we're using GCC.
1265 if test "$GCC" = yes; then
1266 AC_DEFINE(_MSE_INT_H, 1,
1267 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1268 Solaris 2.[789] when using GCC. ])
1271 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1272 AC_CHECK_HEADERS(term.h, [], [],
1274 # include <curses.h>
1278 # ------------------------- #
1279 # Checks for declarations. #
1280 # ------------------------- #
1282 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1285 # ----------------------- #
1286 # Checks for structures. #
1287 # ----------------------- #
1289 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1291 # ------------------ #
1292 # Checks for types. #
1293 # ------------------ #
1296 AC_CHECK_TYPES(socklen_t, [], [],
1297 [#include <sys/types.h>
1298 #include <sys/socket.h>
1301 # ------------------------------------- #
1302 # Checks for compiler characteristics. #
1303 # ------------------------------------- #
1309 # ------------------------------ #
1310 # Checks for library functions. #
1311 # ------------------------------ #
1315 AC_CHECK_FUNCS([getrusage getuid getgid \
1316 pipe poll pread pread64 pwrite resize_term \
1317 sbrk setpgid setpgrp setsid \
1318 sigaction sigprocmask sigsetmask socketpair \
1319 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1320 setrlimit getrlimit posix_madvise waitpid \
1321 ptrace64 sigaltstack mkdtemp])
1325 # Check the return and argument types of ptrace. No canned test for
1326 # this, so roll our own.
1327 gdb_ptrace_headers='
1328 #include <sys/types.h>
1329 #if HAVE_SYS_PTRACE_H
1330 # include <sys/ptrace.h>
1333 # include <unistd.h>
1336 # There is no point in checking if we don't have a prototype.
1337 AC_CHECK_DECLS(ptrace, [], [
1338 : ${gdb_cv_func_ptrace_ret='int'}
1339 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1340 ], $gdb_ptrace_headers)
1341 # Check return type. Varargs (used on GNU/Linux) conflict with the
1342 # empty argument list, so check for that explicitly.
1343 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1344 AC_TRY_COMPILE($gdb_ptrace_headers,
1345 [extern long ptrace (enum __ptrace_request, ...);],
1346 gdb_cv_func_ptrace_ret='long',
1347 AC_TRY_COMPILE($gdb_ptrace_headers,
1348 [extern int ptrace ();],
1349 gdb_cv_func_ptrace_ret='int',
1350 gdb_cv_func_ptrace_ret='long')))
1351 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1352 [Define as the return type of ptrace.])
1353 # Check argument types.
1354 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1355 AC_TRY_COMPILE($gdb_ptrace_headers,
1356 [extern long ptrace (enum __ptrace_request, ...);],
1357 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1358 for gdb_arg1 in 'int' 'long'; do
1359 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1360 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1361 for gdb_arg4 in 'int' 'long' 'void *'; do
1362 AC_TRY_COMPILE($gdb_ptrace_headers, [
1363 extern $gdb_cv_func_ptrace_ret
1364 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1365 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1367 for gdb_arg5 in 'int *' 'int' 'long'; do
1368 AC_TRY_COMPILE($gdb_ptrace_headers, [
1369 extern $gdb_cv_func_ptrace_ret
1370 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1372 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1379 # Provide a safe default value.
1380 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1382 ac_save_IFS=$IFS; IFS=','
1383 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1386 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1387 [Define to the type of arg 3 for ptrace.])
1388 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4],
1389 [Define to the type of arg 4 for ptrace.])
1390 if test -n "$[5]"; then
1391 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1392 [Define to the type of arg 5 for ptrace.])
1395 dnl AC_FUNC_SETPGRP does not work when cross compiling
1396 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1397 if test "$cross_compiling" = no; then
1400 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1404 if (setpgrp(1,1) == -1)
1408 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1409 if test $ac_cv_func_setpgrp_void = yes; then
1410 AC_DEFINE(SETPGRP_VOID, 1)
1414 # Assume we'll default to using the included libiberty regex.
1415 gdb_use_included_regex=yes
1417 # However, if the system regex is GNU regex, then default to *not*
1418 # using the included regex.
1421 [gdb_cv_have_gnu_regex],
1423 [#include <gnu-versions.h>],
1424 [#define REGEX_INTERFACE_VERSION 1
1425 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1426 # error "Version mismatch"
1428 gdb_cv_have_gnu_regex=yes,
1429 gdb_cv_have_gnu_regex=no)])
1430 if test $gdb_cv_have_gnu_regex = yes; then
1431 gdb_use_included_regex=no
1434 AC_ARG_WITH(included-regex,
1435 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1436 gdb_with_regex=$withval,
1437 gdb_with_regex=$gdb_use_included_regex)
1438 if test "$gdb_with_regex" = yes; then
1439 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1440 [Define to 1 if the regex included in libiberty should be used.])
1443 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1444 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1445 [#include <sys/param.h>
1446 #include <sys/proc.h>
1449 # See if <sys/lwp.h> defines `struct lwp`.
1450 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1451 [AC_TRY_COMPILE([#include <sys/param.h>
1452 #include <sys/lwp.h>], [struct lwp l;],
1453 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1454 if test $gdb_cv_struct_lwp = yes; then
1455 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1456 [Define to 1 if your system has struct lwp.])
1459 # See if <machine/reg.h> degines `struct reg'.
1460 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1461 [AC_TRY_COMPILE([#include <sys/types.h>
1462 #include <machine/reg.h>], [struct reg r;],
1463 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1464 if test $gdb_cv_struct_reg = yes; then
1465 AC_DEFINE(HAVE_STRUCT_REG, 1,
1466 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1469 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1470 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1471 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1472 [#include <machine/reg.h>])
1474 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1475 # Older amd64 Linux's don't have the fs_base and gs_base members of
1476 # `struct user_regs_struct'.
1477 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1478 [], [], [#include <sys/user.h>])
1480 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1481 AC_MSG_CHECKING(for PTRACE_GETREGS)
1482 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1483 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1485 [gdb_cv_have_ptrace_getregs=yes],
1486 [gdb_cv_have_ptrace_getregs=no])])
1487 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1488 if test $gdb_cv_have_ptrace_getregs = yes; then
1489 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1490 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1493 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1494 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1495 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1496 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1497 [PTRACE_GETFPXREGS;],
1498 [gdb_cv_have_ptrace_getfpxregs=yes],
1499 [gdb_cv_have_ptrace_getfpxregs=no])])
1500 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1501 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1502 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1503 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1506 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1507 AC_MSG_CHECKING(for PT_GETDBREGS)
1508 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1509 [AC_TRY_COMPILE([#include <sys/types.h>
1510 #include <sys/ptrace.h>],
1512 [gdb_cv_have_pt_getdbregs=yes],
1513 [gdb_cv_have_pt_getdbregs=no])])
1514 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1515 if test $gdb_cv_have_pt_getdbregs = yes; then
1516 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1517 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1520 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1521 AC_MSG_CHECKING(for PT_GETXMMREGS)
1522 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1523 [AC_TRY_COMPILE([#include <sys/types.h>
1524 #include <sys/ptrace.h>],
1526 [gdb_cv_have_pt_getxmmregs=yes],
1527 [gdb_cv_have_pt_getxmmregs=no])])
1528 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1529 if test $gdb_cv_have_pt_getxmmregs = yes; then
1530 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1531 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1534 # Detect which type of /proc is in use, such as for Solaris.
1536 if test "${target}" = "${host}"; then
1538 *-*-sysv4.2* | *-*-sysv5* )
1539 AC_DEFINE(NEW_PROC_API, 1,
1540 [Define if you want to use new multi-fd /proc interface.])
1542 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1543 AC_DEFINE(NEW_PROC_API, 1,
1544 [Define if you want to use new multi-fd /proc interface.])
1547 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1548 AC_DEFINE([_KMEMUSER], 1,
1549 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1550 around a <sys/proc.h> problem on IRIX 5.])
1555 if test "$ac_cv_header_sys_procfs_h" = yes; then
1556 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1557 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1558 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1559 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1560 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1561 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1562 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1563 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1564 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1565 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1566 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1569 dnl Check for broken prfpregset_t type
1571 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1572 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1573 dnl instead of the struct itself). We detect this here, and work
1574 dnl around it in gdb_proc_service.h.
1576 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1577 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1578 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1579 [AC_TRY_RUN([#include <sys/procfs.h>
1582 if (sizeof (prfpregset_t) == sizeof (void *))
1586 gdb_cv_prfpregset_t_broken=no,
1587 gdb_cv_prfpregset_t_broken=yes,
1588 gdb_cv_prfpregset_t_broken=yes)])
1589 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1590 if test $gdb_cv_prfpregset_t_broken = yes; then
1591 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1592 [Define if the prfpregset_t type is broken.])
1597 # Check if the compiler supports the `long long' type.
1599 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1600 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1601 [[extern long long foo;]],
1602 [[switch (foo & 2) { case 0: return 1; }]])],
1603 gdb_cv_c_long_long=yes,
1604 gdb_cv_c_long_long=no)])
1605 if test $gdb_cv_c_long_long != yes; then
1606 # libdecnumber requires long long.
1607 AC_MSG_ERROR([Compiler must support long long for GDB.])
1610 # Check if the compiler and runtime support printing long longs.
1612 AC_CACHE_CHECK([for long long support in printf],
1613 gdb_cv_printf_has_long_long,
1614 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1617 l = (l << 16) + 0x0123;
1618 l = (l << 16) + 0x4567;
1619 l = (l << 16) + 0x89ab;
1620 l = (l << 16) + 0xcdef;
1621 sprintf (buf, "0x%016llx", l);
1622 return (strcmp ("0x0123456789abcdef", buf));]])],
1623 gdb_cv_printf_has_long_long=yes,
1624 gdb_cv_printf_has_long_long=no,
1625 gdb_cv_printf_has_long_long=no)])
1626 if test $gdb_cv_printf_has_long_long = yes; then
1627 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1628 [Define to 1 if the "%ll" format works to print long longs.])
1631 # Check if the compiler and runtime support printing decfloats.
1633 AC_CACHE_CHECK([for decfloat support in printf],
1634 gdb_cv_printf_has_decfloat,
1635 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1637 _Decimal32 d32 = 1.2345df;
1638 _Decimal64 d64 = 1.2345dd;
1639 _Decimal128 d128 = 1.2345dl;
1640 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1641 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1642 gdb_cv_printf_has_decfloat=yes,
1643 gdb_cv_printf_has_decfloat=no,
1644 gdb_cv_printf_has_decfloat=no)])
1645 if test $gdb_cv_printf_has_decfloat = yes; then
1646 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1647 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1650 # Check if the compiler supports the `long double' type. We can't use
1651 # AC_C_LONG_DOUBLE because that one does additional checks on the
1652 # constants defined in <float.h> that fail on some systems,
1653 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1655 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1656 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1657 gdb_cv_c_long_double=yes,
1658 gdb_cv_c_long_double=no)])
1659 if test $gdb_cv_c_long_double = yes; then
1660 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1661 [Define to 1 if the compiler supports long double.])
1664 # Check if the compiler and runtime support printing long doubles.
1666 AC_CACHE_CHECK([for long double support in printf],
1667 gdb_cv_printf_has_long_double,
1668 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1670 long double f = 3.141592653;
1671 sprintf (buf, "%Lg", f);
1672 return (strncmp ("3.14159", buf, 7));]])],
1673 gdb_cv_printf_has_long_double=yes,
1674 gdb_cv_printf_has_long_double=no,
1675 gdb_cv_printf_has_long_double=no)])
1676 if test $gdb_cv_printf_has_long_double = yes; then
1677 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1678 [Define to 1 if the "%Lg" format works to print long doubles.])
1681 # Check if the compiler and runtime support scanning long doubles.
1683 AC_CACHE_CHECK([for long double support in scanf],
1684 gdb_cv_scanf_has_long_double,
1685 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1686 [[#include <stdio.h>]],
1687 [[char *buf = "3.141592653";
1689 sscanf (buf, "%Lg", &f);
1690 return !(f > 3.14159 && f < 3.14160);]])],
1691 gdb_cv_scanf_has_long_double=yes,
1692 gdb_cv_scanf_has_long_double=no,
1693 gdb_cv_scanf_has_long_double=no)])
1694 if test $gdb_cv_scanf_has_long_double = yes; then
1695 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1696 [Define to 1 if the "%Lg" format works to scan long doubles.])
1701 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1702 SAVE_LDFLAGS=$LDFLAGS
1705 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1706 *) gdb_cv_bigtoc=-bbigtoc ;;
1709 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1710 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1711 LDFLAGS="${SAVE_LDFLAGS}"
1713 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1717 AC_MSG_CHECKING(for the dynamic export flag)
1719 if test "${gdb_native}" = yes; then
1720 # The dynamically loaded libthread_db needs access to symbols in the gdb
1721 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1722 # may not be supported there.
1723 old_LDFLAGS="$LDFLAGS"
1724 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1725 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1726 LDFLAGS="$LDFLAGS $RDYNAMIC"
1727 if test "${have_libpython}" = no; then
1728 AC_TRY_LINK([], [], [dynamic_list=true])
1730 # Workaround http://bugs.python.org/issue4434 where static
1731 # libpythonX.Y.a would get its symbols required for
1732 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1733 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1734 old_CFLAGS="$CFLAGS"
1735 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1737 LIBS="$LIBS $PYTHON_LIBS"
1740 [#include "]${have_libpython}[/Python.h"],
1743 err = PyRun_SimpleString ("import itertools\n");
1745 return err == 0 ? 0 : 1;]),
1746 [dynamic_list=true], [], [true])
1748 CFLAGS="$old_CFLAGS"
1750 LDFLAGS="$old_LDFLAGS"
1752 if $dynamic_list; then
1753 found="-Wl,--dynamic-list"
1754 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1757 RDYNAMIC="-rdynamic"
1760 AC_MSG_RESULT($found)
1762 dnl For certain native configurations, we need to check whether thread
1763 dnl support can be built in or not.
1765 dnl Note that we only want this if we are both native (host == target),
1766 dnl and not doing a canadian cross build (build == host).
1768 if test ${build} = ${host} -a ${host} = ${target} ; then
1771 # See if thread_db library is around for Solaris thread debugging.
1772 # Note that we must explicitly test for version 1 of the library
1773 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1775 AC_MSG_CHECKING(for Solaris thread debugging library)
1776 if test -f /usr/lib/libthread_db.so.1 ; then
1778 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1779 [Define if using Solaris thread debugging.])
1780 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1781 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1782 AC_CHECK_LIB(dl, dlopen)
1783 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1784 # Sun randomly tweaked the prototypes in <proc_service.h>
1786 AC_MSG_CHECKING(if <proc_service.h> is old)
1787 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1789 #include <proc_service.h>
1791 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1792 ],, gdb_cv_proc_service_is_old=no,
1793 gdb_cv_proc_service_is_old=yes)
1795 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1796 if test $gdb_cv_proc_service_is_old = yes; then
1797 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1798 [Define if <proc_service.h> on solaris uses int instead of
1799 size_t, and assorted other type changes.])
1806 AC_MSG_CHECKING(for AiX thread debugging library)
1807 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1808 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1809 [#ifndef PTHDB_VERSION_3
1812 gdb_cv_have_aix_thread_debug=yes,
1813 gdb_cv_have_aix_thread_debug=no)])
1814 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1815 if test $gdb_cv_have_aix_thread_debug = yes; then
1816 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1817 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1818 LIBS="$LIBS -lpthdebug"
1820 # Older versions of AIX do not provide the declaration for
1821 # the getthrds function (it appears that it was introduced
1823 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1827 AC_SUBST(CONFIG_LDFLAGS)
1830 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1831 dnl other error codes.
1832 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1833 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1834 gdb_cv_thread_db_h_has_td_notalloc,
1836 [#include <thread_db.h>],
1837 [int i = TD_NOTALLOC;],
1838 gdb_cv_thread_db_h_has_td_notalloc=yes,
1839 gdb_cv_thread_db_h_has_td_notalloc=no
1842 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1843 gdb_cv_thread_db_h_has_td_version,
1845 [#include <thread_db.h>],
1846 [int i = TD_VERSION;],
1847 gdb_cv_thread_db_h_has_td_version=yes,
1848 gdb_cv_thread_db_h_has_td_version=no
1851 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1852 gdb_cv_thread_db_h_has_td_notls,
1854 [#include <thread_db.h>],
1855 [int i = TD_NOTLS;],
1856 gdb_cv_thread_db_h_has_td_notls=yes,
1857 gdb_cv_thread_db_h_has_td_notls=no
1861 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1862 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1863 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1865 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1866 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1867 [Define if <thread_db.h> has the TD_VERSION error code.])
1869 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1870 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1871 [Define if <thread_db.h> has the TD_NOTLS error code.])
1874 dnl See if we have a sys/syscall header file that has __NR_tkill.
1875 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1876 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1877 gdb_cv_sys_syscall_h_has_tkill,
1879 [#include <sys/syscall.h>],
1880 [int i = __NR_tkill;],
1881 gdb_cv_sys_syscall_h_has_tkill=yes,
1882 gdb_cv_sys_syscall_h_has_tkill=no
1886 dnl See if we can issue tkill syscall.
1887 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then
1888 AC_CHECK_FUNC(syscall,
1889 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1893 dnl Check if we can disable the virtual address space randomization.
1894 dnl The functionality of setarch -R.
1895 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1896 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1897 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1898 # define ADDR_NO_RANDOMIZE 0x0040000
1900 /* Test the flag could be set and stays set. */
1901 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1902 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1904 AC_RUN_IFELSE([PERSONALITY_TEST],
1905 [have_personality=true],
1906 [have_personality=false],
1907 [AC_LINK_IFELSE([PERSONALITY_TEST],
1908 [have_personality=true],
1909 [have_personality=false])])
1910 if $have_personality
1912 AC_DEFINE([HAVE_PERSONALITY], 1,
1913 [Define if you support the personality syscall.])
1916 dnl Set the host's .gdbinit filename.
1925 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1927 dnl Handle optional features that can be enabled.
1929 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1930 # except that the argument to --with-sysroot is optional.
1931 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1932 if test "x$with_sysroot" = xyes; then
1933 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1935 AC_ARG_WITH(sysroot,
1936 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1937 [search for usr/lib et al within DIR]),
1938 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1939 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1940 [search for usr/lib et al within DIR])
1941 AC_SUBST(TARGET_SYSTEM_ROOT)
1942 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1944 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1945 [automatically load a system-wide gdbinit file],
1948 AC_ARG_ENABLE(werror,
1949 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1950 [case "${enableval}" in
1951 yes | y) ERROR_ON_WARNING="yes" ;;
1952 no | n) ERROR_ON_WARNING="no" ;;
1953 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1956 # Enable -Werror by default when using gcc. Turn it off for releases.
1957 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
1958 ERROR_ON_WARNING=yes
1962 if test "${ERROR_ON_WARNING}" = yes ; then
1963 WERROR_CFLAGS="-Werror"
1966 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1968 -Wno-unused -Wunused-value -Wunused-function \
1969 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
1970 -Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
1971 -Wold-style-declaration -Wold-style-definition"
1973 # Enable -Wno-format by default when using gcc on mingw since many
1974 # GCC versions complain about %I64.
1976 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1977 *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
1980 AC_ARG_ENABLE(build-warnings,
1981 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1982 [case "${enableval}" in
1984 no) build_warnings="-w";;
1985 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1986 build_warnings="${build_warnings} ${t}";;
1987 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1988 build_warnings="${t} ${build_warnings}";;
1989 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1991 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1992 echo "Setting compiler warning flags = $build_warnings" 6>&1
1994 AC_ARG_ENABLE(gdb-build-warnings,
1995 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1996 [case "${enableval}" in
1998 no) build_warnings="-w";;
1999 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2000 build_warnings="${build_warnings} ${t}";;
2001 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2002 build_warnings="${t} ${build_warnings}";;
2003 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
2005 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
2006 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
2009 if test "x${build_warnings}" != x -a "x$GCC" = xyes
2011 AC_MSG_CHECKING(compiler warning flags)
2012 # Separate out the -Werror flag as some files just cannot be
2013 # compiled with it enabled.
2014 for w in ${build_warnings}; do
2016 -Werr*) WERROR_CFLAGS=-Werror ;;
2017 *) # Check that GCC accepts it
2018 saved_CFLAGS="$CFLAGS"
2020 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
2021 CFLAGS="$saved_CFLAGS"
2024 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
2026 AC_SUBST(WARN_CFLAGS)
2027 AC_SUBST(WERROR_CFLAGS)
2029 # In the Cygwin environment, we need some additional flags.
2030 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
2031 [AC_EGREP_CPP(^lose$, [
2032 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
2034 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
2037 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
2038 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
2040 *go32* ) SER_HARDWIRE=ser-go32.o ;;
2041 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
2042 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
2044 AC_SUBST(SER_HARDWIRE)
2046 # libreadline needs libuser32.a in a cygwin environment
2048 if test x$gdb_cv_os_cygwin = xyes; then
2049 WIN32LIBS="-luser32"
2051 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
2056 # The ser-tcp.c module requires sockets.
2059 AC_DEFINE(USE_WIN32API, 1,
2060 [Define if we should use the Windows API, instead of the
2061 POSIX API. On Windows, we use the Windows API when
2062 building for MinGW, but the POSIX API when building
2064 WIN32LIBS="$WIN32LIBS -lws2_32"
2069 # Add ELF support to GDB, but only if BFD includes ELF support.
2070 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
2071 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
2072 if test $gdb_cv_var_elf = yes; then
2073 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
2074 AC_DEFINE(HAVE_ELF, 1,
2075 [Define if ELF support should be included.])
2076 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
2077 if test "$plugins" = "yes"; then
2078 AC_SEARCH_LIBS(dlopen, dl)
2082 # Add macho support to GDB, but only if BFD includes it.
2083 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
2084 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
2085 if test $gdb_cv_var_macho = yes; then
2086 CONFIG_OBS="$CONFIG_OBS machoread.o"
2089 # Add SOM support to GDB, but only if BFD includes it.
2090 GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
2091 [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
2092 if test $gdb_cv_var_som = yes; then
2093 CONFIG_OBS="$CONFIG_OBS somread.o"
2096 # Add any host-specific objects to GDB.
2097 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
2099 # If building on ELF, look for lzma support for embedded compressed debug info.
2100 if test $gdb_cv_var_elf = yes; then
2102 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
2103 [], [with_lzma=auto])
2104 AC_MSG_CHECKING([whether to use lzma])
2105 AC_MSG_RESULT([$with_lzma])
2107 if test "${with_lzma}" != no; then
2108 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
2109 [lzma_index_iter iter;
2110 lzma_index_iter_init (&iter, 0);
2111 lzma_mf_is_supported (LZMA_MF_HC3);])
2112 if test "$HAVE_LIBLZMA" != yes; then
2113 if test "$with_lzma" = yes; then
2114 AC_MSG_ERROR([missing liblzma for --with-lzma])
2120 LIBGUI="../libgui/src/libgui.a"
2121 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2123 AC_SUBST(GUI_CFLAGS_X)
2127 AC_SUBST(WIN32LDAPP)
2130 *-*-cygwin* | *-*-mingw* )
2139 if test "${enable_gdbtk}" = "yes"; then
2141 # Gdbtk must have an absolute path to srcdir in order to run
2142 # properly when not installed.
2150 # If $no_tk is nonempty, then we can't do Tk, and there is no
2151 # point to doing Tcl.
2154 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2157 # Check for in-tree tcl
2164 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2168 # Find Tcl private headers
2169 if test x"${intree}" = xno; then
2170 CY_AC_TCL_PRIVATE_HEADERS
2171 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2172 TCL_LIBRARY="${TCL_LIB_SPEC}"
2175 # If building tcl in the same src tree, private headers
2176 # are not needed, but we need to be sure to use the right
2178 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2179 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2180 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2182 AC_SUBST(TCL_INCLUDE)
2183 AC_SUBST(TCL_LIBRARY)
2188 # Check for in-tree Tk
2190 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2194 # Find Tk private headers
2195 if test x"${intree}" = xno; then
2196 CY_AC_TK_PRIVATE_HEADERS
2197 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2198 TK_LIBRARY=${TK_LIB_SPEC}
2201 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2202 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2203 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2205 AC_SUBST(TK_INCLUDE)
2206 AC_SUBST(TK_LIBRARY)
2208 AC_SUBST(TK_XINCLUDES)
2210 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2212 # Include some libraries that Tcl and Tk want.
2213 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2214 # Yes, the ordering seems wrong here. But it isn't.
2215 # TK_LIBS is the list of libraries that need to be linked
2216 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2217 # were in LIBS then any link tests after this point would
2218 # try to include things like `$(LIBGUI)', which wouldn't work.
2219 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2221 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2222 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2223 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2224 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2225 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2226 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2227 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2229 if test x$gdb_cv_os_cygwin = xyes; then
2230 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2231 WIN32LDAPP="-Wl,--subsystem,console"
2232 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2235 AC_CONFIG_SUBDIRS(gdbtk)
2243 AC_SUBST(GDBTK_CFLAGS)
2244 AC_SUBST(GDBTK_SRC_DIR)
2248 # Unlike the sim directory, whether a simulator is linked is controlled by
2249 # presence of a gdb_sim definition in the target configure.tgt entry.
2250 # This code just checks for a few cases where we'd like to ignore those
2251 # definitions, even when they're present in the '.mt' file. These cases
2252 # are when --disable-sim is specified, or if the simulator directory is
2253 # not part of the source tree.
2256 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2257 [echo "enable_sim = $enable_sim";
2258 echo "enableval = ${enableval}";
2259 case "${enableval}" in
2260 yes) ignore_sim=false ;;
2261 no) ignore_sim=true ;;
2262 *) ignore_sim=false ;;
2266 if test ! -d "${srcdir}/../sim"; then
2272 if test "${ignore_sim}" = "false"; then
2273 if test x"${gdb_sim}" != x ; then
2275 SIM_OBS="remote-sim.o"
2276 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2282 AC_SUBST(ENABLE_CFLAGS)
2283 AC_SUBST(PROFILE_CFLAGS)
2285 AC_SUBST(CONFIG_OBS)
2286 AC_SUBST(CONFIG_DEPS)
2287 AC_SUBST(CONFIG_SRCS)
2288 AC_SUBST(CONFIG_ALL)
2289 AC_SUBST(CONFIG_CLEAN)
2290 AC_SUBST(CONFIG_INSTALL)
2291 AC_SUBST(CONFIG_UNINSTALL)
2293 # List of host floatformats.
2294 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2295 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2296 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2298 # target_subdir is used by the testsuite to find the target libraries.
2300 if test "${host}" != "${target}"; then
2301 target_subdir="${target_alias}/"
2303 AC_SUBST(target_subdir)
2306 if test "${gdb_native}" = "yes"; then
2307 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2308 if test ! -f ${host_makefile_frag}; then
2309 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2311 frags="$frags $host_makefile_frag"
2313 host_makefile_frag=/dev/null
2316 AC_SUBST_FILE(host_makefile_frag)
2320 if test "${gdb_native}" = "yes"; then
2321 # We pick this up from the host configuration file (.mh) because we
2322 # do not have a native configuration Makefile fragment.
2323 nativefile=`sed -n '
2324 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2325 ' ${host_makefile_frag}`
2329 if test x"${gdb_osabi}" != x ; then
2330 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2331 [Define to the default OS ABI for this configuration.])
2334 # Enable multi-ice-gdb-server.
2335 AC_ARG_ENABLE(multi-ice,
2336 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2340 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2342 if test "x$enable_multi_ice" = xyes; then
2343 AC_CONFIG_SUBDIRS(multi-ice)
2346 AC_ARG_ENABLE(gdbserver,
2347 AS_HELP_STRING([--enable-gdbserver],
2348 [automatically build gdbserver (yes/no/auto, default is auto)]),
2349 [case "${enableval}" in
2351 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2352 esac],[enable_gdbserver=auto])
2354 # We only build gdbserver automatically in a native configuration, and
2355 # only if the user did not explicitly disable its build.
2356 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2357 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2358 if test "x$build_gdbserver" = xyes; then
2360 AC_CONFIG_SUBDIRS(gdbserver)
2361 gdbserver_build_enabled=yes
2367 # If the user explicitly request the gdbserver to be built, verify that
2368 # we were in fact able to enable it.
2369 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2370 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2373 # Check for babeltrace and babeltrace-ctf
2374 AC_ARG_WITH(babeltrace,
2375 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2376 [], [with_babeltrace=auto])
2377 AC_MSG_CHECKING([whether to use babeltrace])
2378 AC_MSG_RESULT([$with_babeltrace])
2380 if test "x$with_babeltrace" = "xno"; then
2381 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2383 # Append -Werror to CFLAGS so that configure can catch the warning
2384 # "assignment from incompatible pointer type", which is related to
2385 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2386 # in GDB, while babeltrace 1.0.3 is broken.
2387 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2388 # safe to save and restore CFLAGS here.
2389 saved_CFLAGS=$CFLAGS
2390 CFLAGS="$CFLAGS -Werror"
2391 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2392 [#include <babeltrace/babeltrace.h>
2393 #include <babeltrace/ctf/events.h>
2394 #include <babeltrace/ctf/iterator.h>],
2395 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2396 struct bt_ctf_event *event = NULL;
2397 const struct bt_definition *scope;
2399 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2400 scope = bt_ctf_get_top_level_scope (event,
2401 BT_STREAM_EVENT_HEADER);
2402 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2404 CFLAGS=$saved_CFLAGS
2406 if test "$HAVE_LIBBABELTRACE" != yes; then
2407 if test "$with_babeltrace" = yes; then
2408 AC_MSG_ERROR([babeltrace is missing or unusable])
2410 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2415 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2416 # to an empty version.
2422 if test "${nativefile}" != ""; then
2423 case "${nativefile}" in
2424 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2425 * ) GDB_NM_FILE="${nativefile}"
2427 files="${files} ${GDB_NM_FILE}"
2428 links="${links} nm.h"
2429 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2431 AC_SUBST(GDB_NM_FILE)
2433 AC_LINK_FILES($files, $links)
2435 dnl Check for exe extension set on certain hosts (e.g. Win32)
2438 dnl Detect the character set used by this host.
2439 dnl At the moment, we just assume it's UTF-8.
2440 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2441 [Define to be a string naming the default host character set.])
2443 # Undo the $ec_script escaping suitable for Makefile.
2444 transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'`
2445 GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"`
2446 if test "x$GDB_TRANSFORM_NAME" = x; then
2447 GDB_TRANSFORM_NAME=gdb
2449 AC_SUBST(GDB_TRANSFORM_NAME)
2450 GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"`
2451 if test "x$GCORE_TRANSFORM_NAME" = x; then
2452 GCORE_TRANSFORM_NAME=gcore
2454 AC_SUBST(GCORE_TRANSFORM_NAME)
2455 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2457 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2459 case x$CONFIG_HEADERS in
2460 xconfig.h:config.in)