1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2013 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 . $srcdir/development.sh
30 AC_USE_SYSTEM_EXTENSIONS
38 # Dependency checking.
40 ZW_PROG_COMPILER_DEPENDENCIES([CC])
42 # Check for the 'make' the user wants to use.
43 AC_CHECK_PROGS(MAKE, make)
45 case "`$MAKE --version 2>&1 | sed 1q`" in
50 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
53 # Configure gnulib. We need to build gnulib under some other
54 # directory not "gnulib", to avoid the problem of both GDB and
55 # GDBserver wanting to build it in the same directory, when building
57 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
59 dnl List of object files and targets accumulated by configure.
71 dnl Set up for gettext.
72 ZW_GNU_GETTEXT_SISTER_DIR
74 localedir='${datadir}/locale'
77 if test x"$USE_NLS" = xyes; then
78 CONFIG_ALL="$CONFIG_ALL all-po"
79 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
80 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
81 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
84 GNULIB=build-gnulib/import
86 # For Makefile dependencies.
88 if test x"$STDINT_H" != x; then
89 GNULIB_STDINT_H=$GNULIB/$STDINT_H
91 AC_SUBST(GNULIB_STDINT_H)
94 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
97 # We never need to detect it in this sub-configure.
98 # But preserve it for config.status --recheck.
100 [Parent configure detects if it is of sufficient version.])
101 AC_ARG_VAR(MAKEINFOFLAGS,
102 [Parameters for MAKEINFO.])
104 MAKEINFO_EXTRA_FLAGS=""
105 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
106 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
107 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
108 gdb_cv_have_makeinfo_click=yes
110 gdb_cv_have_makeinfo_click=no
112 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
113 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
115 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
117 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
118 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
121 # We can't pass paths as command line arguments.
122 # Mingw32 tries to be clever and will convert the paths for us.
123 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
124 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
125 # This breaks GDB's relocatable path conversions since paths passed in
126 # config.h would not get so translated, the path prefixes no longer match.
127 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
129 # GDB's datadir relocation
131 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
132 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
135 AC_ARG_WITH(relocated-sources,
136 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
137 [reloc_srcdir="${withval}"
138 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
139 [Relocated directory for source files. ])
142 AC_MSG_CHECKING([for default auto-load directory])
143 AC_ARG_WITH(auto-load-dir,
144 AS_HELP_STRING([--with-auto-load-dir=PATH],
145 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
146 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
147 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
148 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
149 [Directories from which to load auto-loaded scripts.])
150 AC_MSG_RESULT([$with_auto_load_dir])
152 AC_MSG_CHECKING([for default auto-load safe-path])
153 AC_ARG_WITH(auto-load-safe-path,
154 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
155 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
156 AS_HELP_STRING([--without-auto-load-safe-path],
157 [do not restrict auto-loaded files locations]),
158 [if test "$with_auto_load_safe_path" = "no"; then
159 with_auto_load_safe_path="/"
161 [with_auto_load_safe_path="$with_auto_load_dir"])
162 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
163 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
164 [Directories safe to hold auto-loaded files.])
165 AC_MSG_RESULT([$with_auto_load_safe_path])
167 AC_CONFIG_SUBDIRS(testsuite)
169 # Check whether to support alternative target configurations
170 AC_ARG_ENABLE(targets,
171 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
172 [case "${enableval}" in
173 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
175 no) enable_targets= ;;
176 *) enable_targets=$enableval ;;
179 # Check whether to enable 64-bit support on 32-bit hosts
180 AC_ARG_ENABLE(64-bit-bfd,
181 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
182 [case "${enableval}" in
185 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
186 esac],[want64=false])dnl
188 # Provide defaults for some variables set by the per-host and per-target
190 gdb_host_obs=posix-hdep.o
192 if test "${target}" = "${host}"; then
198 . $srcdir/configure.host
200 # Accumulate some settings from configure.tgt over all enabled targets
204 HAVE_NATIVE_GCORE_TARGET=
206 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
208 if test "$targ_alias" = "all"; then
211 # Canonicalize the secondary target names.
212 result=`$ac_config_sub $targ_alias 2>/dev/null`
213 if test -n "$result"; then
219 . ${srcdir}/configure.tgt
221 AS_IF([test -z "${gdb_target_obs}"],
222 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
224 # Target-specific object files
225 for i in ${gdb_target_obs}; do
226 case " $TARGET_OBS " in
229 TARGET_OBS="$TARGET_OBS ${i}"
234 # Check whether this target needs 64-bit CORE_ADDR
235 if test x${want64} = xfalse; then
236 . ${srcdir}/../bfd/config.bfd
239 # Check whether this target is native and supports gcore.
240 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
241 && $gdb_have_gcore; then
242 HAVE_NATIVE_GCORE_TARGET=1
247 if test x${all_targets} = xtrue; then
249 # We want all 64-bit targets if we either:
250 # - run on a 64-bit host or
251 # - already require 64-bit support for some other target or
252 # - the --enable-64-bit-bfd option was supplied
253 # Otherwise we only support all 32-bit targets.
255 # NOTE: This test must be in sync with the corresponding
258 if test x${want64} = xfalse; then
259 AC_CHECK_SIZEOF(long)
260 if test "x${ac_cv_sizeof_long}" = "x8"; then
264 if test x${want64} = xtrue; then
265 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
267 TARGET_OBS='$(ALL_TARGET_OBS)'
272 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
274 # For other settings, only the main target counts.
278 targ=$target; . ${srcdir}/configure.tgt
280 # Fetch the default architecture and default target vector from BFD.
281 targ=$target; . $srcdir/../bfd/config.bfd
283 # We only want the first architecture, so strip off the others if
284 # there is more than one.
285 targ_archs=`echo $targ_archs | sed 's/ .*//'`
287 if test "x$targ_archs" != x; then
288 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
289 [Define to BFD's default architecture. ])
291 if test "x$targ_defvec" != x; then
292 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
293 [Define to BFD's default target vector. ])
296 # The CLI cannot be disabled yet, but may be in the future.
299 AC_ARG_ENABLE(gdbcli,
300 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
305 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
307 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
310 if test x"$enable_gdbcli" = xyes; then
311 if test -d $srcdir/cli; then
312 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
313 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
314 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
315 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
321 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
326 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
329 if test x"$enable_gdbmi" = xyes; then
330 if test -d $srcdir/mi; then
331 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
332 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
333 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
334 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
340 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
345 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
346 esac],enable_tui=auto)
350 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
355 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
357 [if test -d $srcdir/gdbtk; then
362 # We unconditionally disable gdbtk tests on selected platforms.
365 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
369 # Libunwind support for ia64.
371 AC_ARG_WITH(libunwind-ia64,
372 AS_HELP_STRING([--with-libunwind-ia64],
373 [use libunwind frame unwinding for ia64 targets]),,
374 [with_libunwind_ia64=auto])
376 # Backward compatibility option.
377 if test "${with_libunwind+set}" = set; then
378 if test x"$with_libunwind_ia64" != xauto; then
380 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
382 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
383 with_libunwind_ia64="$with_libunwind"
386 case "$with_libunwind_ia64" in
390 AC_CHECK_HEADERS(libunwind-ia64.h)
391 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
395 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
399 if test x"$with_libunwind_ia64" = xyes; then
400 AC_CHECK_HEADERS(libunwind-ia64.h)
401 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
402 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
404 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
405 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
406 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
410 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
413 if test "$opt_curses" = "yes"; then
418 AC_ARG_ENABLE(profiling,
419 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
424 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
426 [enable_profiling=no])
428 AC_CHECK_FUNCS(monstartup _mcleanup)
429 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
434 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
435 if test $ac_cv_var__etext = yes; then
436 AC_DEFINE(HAVE__ETEXT, 1,
437 [Define to 1 if your system has the _etext variable. ])
439 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
444 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
445 if test $ac_cv_var_etext = yes; then
446 AC_DEFINE(HAVE_ETEXT, 1,
447 [Define to 1 if your system has the etext variable. ])
449 if test "$enable_profiling" = yes ; then
450 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
451 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
455 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
457 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
458 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
459 ac_cv_cc_supports_pg=no)])
461 if test $ac_cv_cc_supports_pg = no; then
462 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
468 ACX_PKGVERSION([GDB])
469 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
470 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
471 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
473 # --------------------- #
474 # Checks for programs. #
475 # --------------------- #
483 AC_CHECK_TOOL(AR, ar)
484 AC_CHECK_TOOL(DLLTOOL, dlltool)
485 AC_CHECK_TOOL(WINDRES, windres)
489 # Needed for GNU Hurd hosts.
490 AC_CHECK_TOOL(MIG, mig)
491 if test x"$MIG" = x; then
492 AC_MSG_ERROR([MIG not found but required for $host hosts])
497 # ---------------------- #
498 # Checks for libraries. #
499 # ---------------------- #
501 # We might need to link with -lm; most simulators need it.
502 AC_CHECK_LIB(m, main)
504 # We need to link with -lw to get `wctype' on Solaris before Solaris
505 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
506 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
507 # is known to have this problem). Therefore we avoid libw if we can.
508 AC_CHECK_FUNC(wctype, [],
509 [AC_CHECK_LIB(w, wctype)])
511 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
512 AC_SEARCH_LIBS(gethostbyname, nsl)
514 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
515 AC_SEARCH_LIBS(socketpair, socket)
517 # Link in zlib if we can. This allows us to read compressed debug sections.
520 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
521 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
525 # GDB may fork/exec the iconv program to get the list of supported character
526 # sets. Allow the user to specify where to find it.
527 # There are several factors affecting the choice of option name:
528 # - There is already --with-libiconv-prefix but we can't use it, it specifies
529 # the build-time location of libiconv files.
530 # - The program we need to find is iconv, which comes with glibc. The user
531 # doesn't necessarily have libiconv installed. Therefore naming this
532 # --with-libiconv-foo feels wrong.
533 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
534 # defined to work on directories not files (though it really doesn't know
536 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
537 # with --with-libiconv-prefix.
538 # Putting these together is why the option name is --with-iconv-bin.
540 AC_ARG_WITH(iconv-bin,
541 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
542 [iconv_bin="${withval}"
543 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
544 [Path of directory of iconv program.])
545 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
548 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
549 # There is a very specific comment in /usr/include/curses.h explaining that
550 # termcap routines built into libcurses must not be used.
552 # The symptoms we observed so far is GDB unexpectedly changing
553 # the terminal settings when tgetent is called - this is particularly
554 # visible as the output is missing carriage returns, and so rapidly
555 # becomes very hard to read.
557 # The readline configure script has already decided that libtermcap
558 # was enough for its purposes, and so decided to build readline using
559 # libtermcap. Since the TUI mode requires curses, building GDB with
560 # TUI enabled results in both libraries to be used at the same time,
561 # which is not allowed. This basically means that GDB with TUI is
562 # broken on alpha-osf.
566 if test x"$enable_tui" = xyes; then
567 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
569 if test x"$enable_tui" = xauto; then
575 # For the TUI, we need enhanced curses functionality.
576 if test x"$enable_tui" != xno; then
581 if test x"$prefer_curses" = xyes; then
582 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
583 # curses library because the latter might not provide all the
584 # functionality we need. However, this leads to problems on systems
585 # where the linker searches /usr/local/lib, but the compiler doesn't
586 # search /usr/local/include, if ncurses is installed in /usr/local. A
587 # default installation of ncurses on alpha*-dec-osf* will lead to such
589 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
591 if test "$ac_cv_search_waddstr" != no; then
596 # Check whether we should enable the TUI, but only do so if we really
598 if test x"$enable_tui" != xno; then
599 if test -d $srcdir/tui; then
600 if test "$curses_found" != no; then
601 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
602 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
603 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
604 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
606 if test x"$enable_tui" = xyes; then
607 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
609 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
615 # Since GDB uses Readline, we need termcap functionality. In many
616 # cases this will be provided by the curses library, but some systems
617 # have a seperate termcap library, or no curses library at all.
621 if test -d $srcdir/libtermcap; then
622 LIBS="../libtermcap/libtermcap.a $LIBS"
623 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
626 ac_cv_search_tgetent="none required"
629 ac_cv_search_tgetent="none required"
630 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
634 # These are the libraries checked by Readline.
635 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
637 if test "$ac_cv_search_tgetent" = no; then
638 AC_MSG_ERROR([no termcap library found])
641 AC_ARG_WITH([system-readline],
642 [AS_HELP_STRING([--with-system-readline],
643 [use installed readline library])])
645 if test "$with_system_readline" = yes; then
649 READLINE_TEXI_INCFLAG=
651 READLINE='$(READLINE_DIR)/libreadline.a'
652 READLINE_DEPS='$(READLINE)'
653 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
654 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
657 AC_SUBST(READLINE_DEPS)
658 AC_SUBST(READLINE_CFLAGS)
659 AC_SUBST(READLINE_TEXI_INCFLAG)
661 # Generate jit-reader.h
663 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
666 AC_CHECK_SIZEOF(unsigned long long)
667 AC_CHECK_SIZEOF(unsigned long)
668 AC_CHECK_SIZEOF(unsigned __int128)
670 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
671 TARGET_PTR="unsigned long"
672 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
673 TARGET_PTR="unsigned long long"
674 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
675 TARGET_PTR="unsigned __int128"
677 TARGET_PTR="unsigned long"
681 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
683 AC_SEARCH_LIBS(dlopen, dl)
685 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
686 [directory to load the JIT readers from],
690 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
691 [], [with_expat=auto])
692 AC_MSG_CHECKING([whether to use expat])
693 AC_MSG_RESULT([$with_expat])
695 if test "${with_expat}" = no; then
696 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
699 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
700 [XML_Parser p = XML_ParserCreate (0);])
701 if test "$HAVE_LIBEXPAT" != yes; then
702 if test "$with_expat" = yes; then
703 AC_MSG_ERROR([expat is missing or unusable])
705 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
709 LIBS="$LIBS $LIBEXPAT"
710 AC_CHECK_FUNCS(XML_StopParser)
715 dnl Utility to simplify finding libpython.
717 dnl $2 = the shell variable to assign the result to
718 dnl If libpython is found we store $version here.
719 dnl $3 = additional flags to add to CPPFLAGS
720 dnl $4 = additional flags to add to LIBS
722 AC_DEFUN([AC_TRY_LIBPYTHON],
725 define([have_libpython_var],$2)
728 AC_MSG_CHECKING([for ${version}])
729 save_CPPFLAGS=$CPPFLAGS
731 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
732 LIBS="$LIBS $new_LIBS"
733 found_usable_python=no
734 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
735 [[Py_Initialize ();]]),
736 [have_libpython_var=${version}
737 found_usable_python=yes
738 PYTHON_CPPFLAGS=$new_CPPFLAGS
739 PYTHON_LIBS=$new_LIBS])
740 CPPFLAGS=$save_CPPFLAGS
742 AC_MSG_RESULT([${found_usable_python}])
745 dnl There are several different values for --with-python:
747 dnl no - Don't include python support.
748 dnl yes - Include python support, error if it's missing.
749 dnl If we find python in $PATH, use it to fetch configure options,
750 dnl otherwise assume the compiler can find it with no help from us.
751 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
752 dnl auto - Same as "yes", but if python is missing from the system,
753 dnl fall back to "no".
754 dnl /path/to/python/exec-prefix -
755 dnl Use the python located in this directory.
756 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
757 dnl the compilation parameters. Otherwise use
758 dnl -I/path/to/python/exec-prefix/include,
759 dnl -L/path/to/python/exec-prefix/lib.
760 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
761 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
762 dnl but is deprecated.
763 dnl /path/to/python/executable -
764 dnl Run python-config.py with this version of python to fetch the
765 dnl compilation parameters.
766 dnl NOTE: This needn't be the real python executable.
767 dnl In a cross-compilation scenario (build != host), this could be
768 dnl a shell script that provides what python-config.py provides for
769 dnl --ldflags, --includes, --exec-prefix.
770 dnl python-executable -
771 dnl Find python-executable in $PATH, and then handle the same as
772 dnl /path/to/python/executable.
774 dnl If a python program is specified, it is used to run python-config.py and
775 dnl is passed --ldflags, --includes, --exec-prefix.
778 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
779 [], [with_python=auto])
780 AC_MSG_CHECKING([whether to use python])
781 AC_MSG_RESULT([$with_python])
783 if test "${with_python}" = no; then
784 AC_MSG_WARN([python support disabled; some features may be unavailable.])
787 case "${with_python}" in
788 [[\\/]]* | ?:[[\\/]]*)
789 if test -d ${with_python}; then
790 # Assume the python binary is ${with_python}/bin/python.
791 python_prog="${with_python}/bin/python"
793 # If python does not exit ${with_python}/bin, then try in
794 # ${with_python}. On Windows/MinGW, this is where the Python
796 if test ! -x "${python_prog}"; then
797 python_prog="${with_python}/python"
800 if test ! -x "${python_prog}"; then
801 # Fall back to gdb 7.0/7.1 behaviour.
803 python_prefix=${with_python}
805 elif test -x "${with_python}"; then
806 # While we can't run python compiled for $host (unless host == build),
807 # the user could write a script that provides the needed information,
808 # so we support that.
809 python_prog=${with_python}
812 AC_ERROR(invalid value for --with-python)
816 # Disallow --with-python=foo/bar.
817 AC_ERROR(invalid value for --with-python)
820 # The user has either specified auto, yes, or the name of the python
821 # program assumed to be in $PATH.
823 case "${with_python}" in
825 if test ${build} = ${host}; then
826 AC_PATH_PROG(python_prog_path, python, missing)
827 if test "${python_prog_path}" = missing; then
830 python_prog=${python_prog_path}
833 # Not much we can do except assume the cross-compiler will find the
839 # While we can't run python compiled for $host (unless host == build),
840 # the user could write a script that provides the needed information,
841 # so we support that.
842 python_prog="${with_python}"
843 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
844 if test "${python_prog_path}" = missing; then
845 AC_ERROR(unable to find python program ${python_prog})
851 if test "${python_prog}" != missing; then
852 # We have a python program to use, but it may be too old.
853 # Don't flag an error for --with-python=auto (the default).
854 have_python_config=yes
855 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
856 if test $? != 0; then
857 have_python_config=failed
858 if test "${with_python}" != auto; then
859 AC_ERROR(failure running python-config --includes)
862 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
863 if test $? != 0; then
864 have_python_config=failed
865 if test "${with_python}" != auto; then
866 AC_ERROR(failure running python-config --ldflags)
869 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
870 if test $? != 0; then
871 have_python_config=failed
872 if test "${with_python}" != auto; then
873 AC_ERROR(failure running python-config --exec-prefix)
877 # We do not have a python executable we can use to determine where
878 # to find the Python headers and libs. We cannot guess the include
879 # path from the python_prefix either, because that include path
880 # depends on the Python version. So, there is nothing much we can
881 # do except assume that the compiler will be able to find those files.
884 have_python_config=no
887 # If we have python-config, only try the configuration it provides.
888 # Otherwise fallback on the old way of trying different versions of
892 if test "${have_python_config}" = yes; then
893 # Determine the Python version by extracting "-lpython<version>"
894 # part of the python_libs. <version> is usually X.Y with X and Y
895 # being decimal numbers, but can also be XY (seen on Windows).
897 # The extraction is performed using sed with a regular expression.
898 # Initially, the regexp used was using the '?' quantifier to make
899 # the dot in the version number optional. Unfortunately, this
900 # does not work with non-GNU versions of sed because, because of
901 # what looks like a limitation (the '?' quantifier does not work
902 # with back-references). We work around this limitation by using
903 # the '*' quantifier instead. It means that, in theory, we might
904 # match unexpected version strings such as "-lpython2..7", but
905 # this seems unlikely in practice. And even if that happens,
906 # an error will be triggered later on, when checking that version
908 python_version=`echo " ${python_libs} " \
909 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
910 case "${python_version}" in
912 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
913 ${python_includes}, ${python_libs})
916 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
919 elif test "${have_python_config}" != failed; then
920 if test "${have_libpython}" = no; then
921 AC_TRY_LIBPYTHON(python2.7, have_libpython,
922 ${python_includes}, "${python_libs} -lpython2.7")
924 if test "${have_libpython}" = no; then
925 AC_TRY_LIBPYTHON(python2.6, have_libpython,
926 ${python_includes}, "${python_libs} -lpython2.6")
928 if test ${have_libpython} = no; then
929 AC_TRY_LIBPYTHON(python2.5, have_libpython,
930 ${python_includes}, "${python_libs} -lpython2.5")
932 if test ${have_libpython} = no; then
933 AC_TRY_LIBPYTHON(python2.4, have_libpython,
934 ${python_includes}, "${python_libs} -lpython2.4")
937 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
938 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
939 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
940 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
941 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
942 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
943 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
944 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
947 if test "${have_libpython}" = no; then
948 case "${with_python}" in
950 AC_MSG_ERROR([python is missing or unusable])
953 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
956 AC_MSG_ERROR([no usable python found at ${with_python}])
960 if test -n "${python_prefix}"; then
961 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
962 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
963 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
968 if test "${have_libpython}" != no; then
969 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
970 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
971 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
972 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
973 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
974 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
976 # Flags needed to compile Python code (taken from python-config --cflags).
977 # We cannot call python-config directly because it will output whatever was
978 # used when compiling the Python interpreter itself, including flags which
979 # would make the python-related objects be compiled differently from the
980 # rest of GDB (e.g., -O2 and -fPIC).
981 if test "${GCC}" = yes; then
982 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
985 if test "x${tentative_python_cflags}" != x; then
986 AC_MSG_CHECKING(compiler flags for python code)
987 for flag in ${tentative_python_cflags}; do
988 # Check that the compiler accepts it
989 saved_CFLAGS="$CFLAGS"
990 CFLAGS="$CFLAGS $flag"
991 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
992 CFLAGS="$saved_CFLAGS"
994 AC_MSG_RESULT(${PYTHON_CFLAGS})
997 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
999 # #define siginfo __siginfo
1001 # The problem is that including Python causes some XOPEN macros to be
1002 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
1003 # to false. So, we work around this issue by defining siginfo ourself
1004 # though the command-line.
1006 # On x64 Windows, Python's include headers, and pyconfig.h in
1007 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
1008 # version of Windows. Unfortunately, MS_WIN64 is only defined if
1009 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
1010 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
1011 # The issue was reported to the Python community, but still isn't
1012 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1015 irix*) if test "${GCC}" = yes; then
1016 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
1020 if test "${GCC}" = yes; then
1021 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1026 # Note that "python -m threading" cannot be used to check for
1027 # threading support due to a bug in Python 2.7.3
1028 # (http://bugs.python.org/issue15567).
1029 AC_MSG_CHECKING(whether python supports threads)
1030 saved_CPPFLAGS="${CPPFLAGS}"
1031 CPPFLAGS="${PYTHON_CPPFLAGS}"
1032 # Note that the test is reversed so that python_has_threads=yes on
1033 # unexpected failures.
1034 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1039 ]]), [python_has_threads=no], [python_has_threads=yes])
1040 AC_MSG_RESULT(${python_has_threads})
1041 CPPFLAGS="${saved_CPPFLAGS}"
1043 # Even if Python support is not compiled in, we need to have these files
1045 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
1046 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
1047 python/py-prettyprint.c python/py-auto-load.c"
1049 AC_SUBST(PYTHON_CFLAGS)
1050 AC_SUBST(PYTHON_CPPFLAGS)
1051 AC_SUBST(PYTHON_LIBS)
1053 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1054 # but turn it off if Python is enabled with threads, since -lmcheck is
1055 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1057 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1058 && $development; then
1059 libmcheck_default=yes
1061 libmcheck_default=no
1063 GDB_AC_LIBMCHECK(${libmcheck_default})
1065 if test "$ENABLE_LIBMCHECK" = "yes" \
1066 -a "${have_libpython}" != "no" \
1067 -a "${python_has_threads}" = "yes" ; then
1068 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1071 # ------------------------- #
1072 # Checks for header files. #
1073 # ------------------------- #
1076 # elf_hp.h is for HP/UX 64-bit shared library support.
1077 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1080 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1081 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1082 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1083 termios.h termio.h \
1086 AC_CHECK_HEADERS(sys/proc.h, [], [],
1087 [#if HAVE_SYS_PARAM_H
1088 # include <sys/param.h>
1091 AC_CHECK_HEADERS(sys/user.h, [], [],
1092 [#if HAVE_SYS_PARAM_H
1093 # include <sys/param.h>
1097 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1098 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1099 # think that we don't have <curses.h> if we're using GCC.
1102 if test "$GCC" = yes; then
1103 AC_DEFINE(_MSE_INT_H, 1,
1104 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1105 Solaris 2.[789] when using GCC. ])
1108 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1109 AC_CHECK_HEADERS(term.h, [], [],
1111 # include <curses.h>
1115 # ------------------------- #
1116 # Checks for declarations. #
1117 # ------------------------- #
1119 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1122 # ----------------------- #
1123 # Checks for structures. #
1124 # ----------------------- #
1126 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1128 # ------------------ #
1129 # Checks for types. #
1130 # ------------------ #
1133 AC_CHECK_TYPES(socklen_t, [], [],
1134 [#include <sys/types.h>
1135 #include <sys/socket.h>
1138 # ------------------------------------- #
1139 # Checks for compiler characteristics. #
1140 # ------------------------------------- #
1146 # ------------------------------ #
1147 # Checks for library functions. #
1148 # ------------------------------ #
1153 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1154 pipe poll pread pread64 pwrite readlink resize_term \
1155 sbrk setpgid setpgrp setsid \
1156 sigaction sigprocmask sigsetmask socketpair \
1157 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1158 setrlimit getrlimit posix_madvise waitpid lstat \
1163 # Check the return and argument types of ptrace. No canned test for
1164 # this, so roll our own.
1165 gdb_ptrace_headers='
1166 #if HAVE_SYS_TYPES_H
1167 # include <sys/types.h>
1169 #if HAVE_SYS_PTRACE_H
1170 # include <sys/ptrace.h>
1173 # include <unistd.h>
1176 # There is no point in checking if we don't have a prototype.
1177 AC_CHECK_DECLS(ptrace, [], [
1178 : ${gdb_cv_func_ptrace_ret='int'}
1179 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1180 ], $gdb_ptrace_headers)
1181 # Check return type. Varargs (used on GNU/Linux) conflict with the
1182 # empty argument list, so check for that explicitly.
1183 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1184 AC_TRY_COMPILE($gdb_ptrace_headers,
1185 [extern long ptrace (enum __ptrace_request, ...);],
1186 gdb_cv_func_ptrace_ret='long',
1187 AC_TRY_COMPILE($gdb_ptrace_headers,
1188 [extern int ptrace ();],
1189 gdb_cv_func_ptrace_ret='int',
1190 gdb_cv_func_ptrace_ret='long')))
1191 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1192 [Define as the return type of ptrace.])
1193 # Check argument types.
1194 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1195 AC_TRY_COMPILE($gdb_ptrace_headers,
1196 [extern long ptrace (enum __ptrace_request, ...);],
1197 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1198 for gdb_arg1 in 'int' 'long'; do
1199 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1200 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1201 for gdb_arg4 in 'int' 'long' 'void *'; do
1202 AC_TRY_COMPILE($gdb_ptrace_headers, [
1203 extern $gdb_cv_func_ptrace_ret
1204 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1205 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1207 for gdb_arg5 in 'int *' 'int' 'long'; do
1208 AC_TRY_COMPILE($gdb_ptrace_headers, [
1209 extern $gdb_cv_func_ptrace_ret
1210 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1212 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1219 # Provide a safe default value.
1220 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1222 ac_save_IFS=$IFS; IFS=','
1223 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1226 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1227 [Define to the type of arg 3 for ptrace.])
1228 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4],
1229 [Define to the type of arg 4 for ptrace.])
1230 if test -n "$[5]"; then
1231 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1232 [Define to the type of arg 5 for ptrace.])
1235 dnl AC_FUNC_SETPGRP does not work when cross compiling
1236 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1237 if test "$cross_compiling" = no; then
1240 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1244 if (setpgrp(1,1) == -1)
1248 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1249 if test $ac_cv_func_setpgrp_void = yes; then
1250 AC_DEFINE(SETPGRP_VOID, 1)
1254 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1255 # since sigsetjmp might only be defined as a macro.
1256 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1259 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1260 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1261 if test $gdb_cv_func_sigsetjmp = yes; then
1262 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1265 # Assume we'll default to using the included libiberty regex.
1266 gdb_use_included_regex=yes
1268 # However, if the system regex is GNU regex, then default to *not*
1269 # using the included regex.
1272 [gdb_cv_have_gnu_regex],
1274 [#include <gnu-versions.h>],
1275 [#define REGEX_INTERFACE_VERSION 1
1276 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1277 # error "Version mismatch"
1279 gdb_cv_have_gnu_regex=yes,
1280 gdb_cv_have_gnu_regex=no)])
1281 if test $gdb_cv_have_gnu_regex = yes; then
1282 gdb_use_included_regex=no
1285 AC_ARG_WITH(included-regex,
1286 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1287 gdb_with_regex=$withval,
1288 gdb_with_regex=$gdb_use_included_regex)
1289 if test "$gdb_with_regex" = yes; then
1290 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1291 [Define to 1 if the regex included in libiberty should be used.])
1294 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1295 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1296 [#include <sys/param.h>
1297 #include <sys/proc.h>
1300 # See if <sys/lwp.h> defines `struct lwp`.
1301 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1302 [AC_TRY_COMPILE([#include <sys/param.h>
1303 #include <sys/lwp.h>], [struct lwp l;],
1304 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1305 if test $gdb_cv_struct_lwp = yes; then
1306 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1307 [Define to 1 if your system has struct lwp.])
1310 # See if <machine/reg.h> degines `struct reg'.
1311 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1312 [AC_TRY_COMPILE([#include <sys/types.h>
1313 #include <machine/reg.h>], [struct reg r;],
1314 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1315 if test $gdb_cv_struct_reg = yes; then
1316 AC_DEFINE(HAVE_STRUCT_REG, 1,
1317 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1320 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1321 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1322 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1323 [#include <machine/reg.h>])
1325 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1326 # Older amd64 Linux's don't have the fs_base and gs_base members of
1327 # `struct user_regs_struct'.
1328 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1329 [], [], [#include <sys/user.h>])
1331 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1332 AC_MSG_CHECKING(for PTRACE_GETREGS)
1333 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1334 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1336 [gdb_cv_have_ptrace_getregs=yes],
1337 [gdb_cv_have_ptrace_getregs=no])])
1338 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1339 if test $gdb_cv_have_ptrace_getregs = yes; then
1340 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1341 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1344 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1345 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1346 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1347 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1348 [PTRACE_GETFPXREGS;],
1349 [gdb_cv_have_ptrace_getfpxregs=yes],
1350 [gdb_cv_have_ptrace_getfpxregs=no])])
1351 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1352 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1353 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1354 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1357 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1358 AC_MSG_CHECKING(for PT_GETDBREGS)
1359 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1360 [AC_TRY_COMPILE([#include <sys/types.h>
1361 #include <sys/ptrace.h>],
1363 [gdb_cv_have_pt_getdbregs=yes],
1364 [gdb_cv_have_pt_getdbregs=no])])
1365 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1366 if test $gdb_cv_have_pt_getdbregs = yes; then
1367 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1368 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1371 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1372 AC_MSG_CHECKING(for PT_GETXMMREGS)
1373 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1374 [AC_TRY_COMPILE([#include <sys/types.h>
1375 #include <sys/ptrace.h>],
1377 [gdb_cv_have_pt_getxmmregs=yes],
1378 [gdb_cv_have_pt_getxmmregs=no])])
1379 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1380 if test $gdb_cv_have_pt_getxmmregs = yes; then
1381 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1382 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1385 # Detect which type of /proc is in use, such as for Solaris.
1387 if test "${target}" = "${host}"; then
1389 *-*-sysv4.2* | *-*-sysv5* )
1390 AC_DEFINE(NEW_PROC_API, 1,
1391 [Define if you want to use new multi-fd /proc interface.])
1393 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1394 AC_DEFINE(NEW_PROC_API, 1,
1395 [Define if you want to use new multi-fd /proc interface.])
1398 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1399 AC_DEFINE([_KMEMUSER], 1,
1400 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1401 around a <sys/proc.h> problem on IRIX 5.])
1406 if test "$ac_cv_header_sys_procfs_h" = yes; then
1407 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1408 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1409 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1410 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1411 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1412 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1413 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1414 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1415 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1416 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1417 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1420 dnl Check for broken prfpregset_t type
1422 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1423 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1424 dnl instead of the struct itself). We detect this here, and work
1425 dnl around it in gdb_proc_service.h.
1427 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1428 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1429 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1430 [AC_TRY_RUN([#include <sys/procfs.h>
1433 if (sizeof (prfpregset_t) == sizeof (void *))
1437 gdb_cv_prfpregset_t_broken=no,
1438 gdb_cv_prfpregset_t_broken=yes,
1439 gdb_cv_prfpregset_t_broken=yes)])
1440 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1441 if test $gdb_cv_prfpregset_t_broken = yes; then
1442 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1443 [Define if the prfpregset_t type is broken.])
1448 # Check if the compiler supports the `long long' type.
1450 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1451 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1452 [[extern long long foo;]],
1453 [[switch (foo & 2) { case 0: return 1; }]])],
1454 gdb_cv_c_long_long=yes,
1455 gdb_cv_c_long_long=no)])
1456 if test $gdb_cv_c_long_long != yes; then
1457 # libdecnumber requires long long.
1458 AC_MSG_ERROR([Compiler must support long long for GDB.])
1461 # Check if the compiler and runtime support printing long longs.
1463 AC_CACHE_CHECK([for long long support in printf],
1464 gdb_cv_printf_has_long_long,
1465 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1468 l = (l << 16) + 0x0123;
1469 l = (l << 16) + 0x4567;
1470 l = (l << 16) + 0x89ab;
1471 l = (l << 16) + 0xcdef;
1472 sprintf (buf, "0x%016llx", l);
1473 return (strcmp ("0x0123456789abcdef", buf));]])],
1474 gdb_cv_printf_has_long_long=yes,
1475 gdb_cv_printf_has_long_long=no,
1476 gdb_cv_printf_has_long_long=no)])
1477 if test $gdb_cv_printf_has_long_long = yes; then
1478 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1479 [Define to 1 if the "%ll" format works to print long longs.])
1482 # Check if the compiler and runtime support printing decfloats.
1484 AC_CACHE_CHECK([for decfloat support in printf],
1485 gdb_cv_printf_has_decfloat,
1486 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1488 _Decimal32 d32 = 1.2345df;
1489 _Decimal64 d64 = 1.2345dd;
1490 _Decimal128 d128 = 1.2345dl;
1491 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1492 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1493 gdb_cv_printf_has_decfloat=yes,
1494 gdb_cv_printf_has_decfloat=no,
1495 gdb_cv_printf_has_decfloat=no)])
1496 if test $gdb_cv_printf_has_decfloat = yes; then
1497 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1498 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1501 # Check if the compiler supports the `long double' type. We can't use
1502 # AC_C_LONG_DOUBLE because that one does additional checks on the
1503 # constants defined in <float.h> that fail on some systems,
1504 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1506 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1507 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1508 gdb_cv_c_long_double=yes,
1509 gdb_cv_c_long_double=no)])
1510 if test $gdb_cv_c_long_double = yes; then
1511 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1512 [Define to 1 if the compiler supports long double.])
1515 # Check if the compiler and runtime support printing long doubles.
1517 AC_CACHE_CHECK([for long double support in printf],
1518 gdb_cv_printf_has_long_double,
1519 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1521 long double f = 3.141592653;
1522 sprintf (buf, "%Lg", f);
1523 return (strncmp ("3.14159", buf, 7));]])],
1524 gdb_cv_printf_has_long_double=yes,
1525 gdb_cv_printf_has_long_double=no,
1526 gdb_cv_printf_has_long_double=no)])
1527 if test $gdb_cv_printf_has_long_double = yes; then
1528 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1529 [Define to 1 if the "%Lg" format works to print long doubles.])
1532 # Check if the compiler and runtime support scanning long doubles.
1534 AC_CACHE_CHECK([for long double support in scanf],
1535 gdb_cv_scanf_has_long_double,
1536 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1537 [[#include <stdio.h>]],
1538 [[char *buf = "3.141592653";
1540 sscanf (buf, "%Lg", &f);
1541 return !(f > 3.14159 && f < 3.14160);]])],
1542 gdb_cv_scanf_has_long_double=yes,
1543 gdb_cv_scanf_has_long_double=no,
1544 gdb_cv_scanf_has_long_double=no)])
1545 if test $gdb_cv_scanf_has_long_double = yes; then
1546 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1547 [Define to 1 if the "%Lg" format works to scan long doubles.])
1552 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1553 SAVE_LDFLAGS=$LDFLAGS
1556 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1557 *) gdb_cv_bigtoc=-bbigtoc ;;
1560 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1561 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1562 LDFLAGS="${SAVE_LDFLAGS}"
1564 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1568 AC_MSG_CHECKING(for the dynamic export flag)
1570 if test "${gdb_native}" = yes; then
1571 # The dynamically loaded libthread_db needs access to symbols in the gdb
1572 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1573 # may not be supported there.
1574 old_LDFLAGS="$LDFLAGS"
1575 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1576 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1577 LDFLAGS="$LDFLAGS $RDYNAMIC"
1578 if test "${have_libpython}" = no; then
1579 AC_TRY_LINK([], [], [dynamic_list=true])
1581 # Workaround http://bugs.python.org/issue4434 where static
1582 # libpythonX.Y.a would get its symbols required for
1583 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1584 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1585 old_CFLAGS="$CFLAGS"
1586 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1588 LIBS="$LIBS $PYTHON_LIBS"
1591 [#include "]${have_libpython}[/Python.h"],
1594 err = PyRun_SimpleString ("import itertools\n");
1596 return err == 0 ? 0 : 1;]),
1597 [dynamic_list=true], [], [true])
1599 CFLAGS="$old_CFLAGS"
1601 LDFLAGS="$old_LDFLAGS"
1603 if $dynamic_list; then
1604 found="-Wl,--dynamic-list"
1605 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1608 RDYNAMIC="-rdynamic"
1611 AC_MSG_RESULT($found)
1613 dnl For certain native configurations, we need to check whether thread
1614 dnl support can be built in or not.
1616 dnl Note that we only want this if we are both native (host == target),
1617 dnl and not doing a canadian cross build (build == host).
1619 if test ${build} = ${host} -a ${host} = ${target} ; then
1622 # See if thread_db library is around for Solaris thread debugging.
1623 # Note that we must explicitly test for version 1 of the library
1624 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1626 AC_MSG_CHECKING(for Solaris thread debugging library)
1627 if test -f /usr/lib/libthread_db.so.1 ; then
1629 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1630 [Define if using Solaris thread debugging.])
1631 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1632 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1633 AC_CHECK_LIB(dl, dlopen)
1634 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1635 # Sun randomly tweaked the prototypes in <proc_service.h>
1637 AC_MSG_CHECKING(if <proc_service.h> is old)
1638 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1640 #include <proc_service.h>
1642 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1643 ],, gdb_cv_proc_service_is_old=no,
1644 gdb_cv_proc_service_is_old=yes)
1646 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1647 if test $gdb_cv_proc_service_is_old = yes; then
1648 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1649 [Define if <proc_service.h> on solaris uses int instead of
1650 size_t, and assorted other type changes.])
1657 AC_MSG_CHECKING(for AiX thread debugging library)
1658 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1659 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1660 [#ifndef PTHDB_VERSION_3
1663 gdb_cv_have_aix_thread_debug=yes,
1664 gdb_cv_have_aix_thread_debug=no)])
1665 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1666 if test $gdb_cv_have_aix_thread_debug = yes; then
1667 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1668 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1669 LIBS="$LIBS -lpthdebug"
1671 # Older versions of AIX do not provide the declaration for
1672 # the getthrds function (it appears that it was introduced
1674 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1678 AC_SUBST(CONFIG_LDFLAGS)
1681 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1682 dnl other error codes.
1683 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1684 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1685 gdb_cv_thread_db_h_has_td_notalloc,
1687 [#include <thread_db.h>],
1688 [int i = TD_NOTALLOC;],
1689 gdb_cv_thread_db_h_has_td_notalloc=yes,
1690 gdb_cv_thread_db_h_has_td_notalloc=no
1693 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1694 gdb_cv_thread_db_h_has_td_version,
1696 [#include <thread_db.h>],
1697 [int i = TD_VERSION;],
1698 gdb_cv_thread_db_h_has_td_version=yes,
1699 gdb_cv_thread_db_h_has_td_version=no
1702 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1703 gdb_cv_thread_db_h_has_td_notls,
1705 [#include <thread_db.h>],
1706 [int i = TD_NOTLS;],
1707 gdb_cv_thread_db_h_has_td_notls=yes,
1708 gdb_cv_thread_db_h_has_td_notls=no
1712 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1713 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1714 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1716 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1717 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1718 [Define if <thread_db.h> has the TD_VERSION error code.])
1720 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1721 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1722 [Define if <thread_db.h> has the TD_NOTLS error code.])
1725 dnl See if we have a sys/syscall header file that has __NR_tkill.
1726 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1727 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1728 gdb_cv_sys_syscall_h_has_tkill,
1730 [#include <sys/syscall.h>],
1731 [int i = __NR_tkill;],
1732 gdb_cv_sys_syscall_h_has_tkill=yes,
1733 gdb_cv_sys_syscall_h_has_tkill=no
1737 dnl See if we can issue tkill syscall.
1738 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then
1739 AC_CHECK_FUNC(syscall,
1740 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1744 dnl Check if we can disable the virtual address space randomization.
1745 dnl The functionality of setarch -R.
1746 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1747 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1748 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1749 # define ADDR_NO_RANDOMIZE 0x0040000
1751 /* Test the flag could be set and stays set. */
1752 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1753 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1755 AC_RUN_IFELSE([PERSONALITY_TEST],
1756 [have_personality=true],
1757 [have_personality=false],
1758 [AC_LINK_IFELSE([PERSONALITY_TEST],
1759 [have_personality=true],
1760 [have_personality=false])])
1761 if $have_personality
1763 AC_DEFINE([HAVE_PERSONALITY], 1,
1764 [Define if you support the personality syscall.])
1767 dnl Set the host's .gdbinit filename.
1776 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1778 dnl Handle optional features that can be enabled.
1780 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1781 # except that the argument to --with-sysroot is optional.
1782 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1783 if test "x$with_sysroot" = xyes; then
1784 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1786 AC_ARG_WITH(sysroot,
1787 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1788 [search for usr/lib et al within DIR]),
1789 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1790 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1791 [search for usr/lib et al within DIR])
1792 AC_SUBST(TARGET_SYSTEM_ROOT)
1793 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1795 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1796 [automatically load a system-wide gdbinit file],
1799 AC_ARG_ENABLE(werror,
1800 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1801 [case "${enableval}" in
1802 yes | y) ERROR_ON_WARNING="yes" ;;
1803 no | n) ERROR_ON_WARNING="no" ;;
1804 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1807 # Enable -Werror by default when using gcc. Turn it off for releases.
1808 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
1809 ERROR_ON_WARNING=yes
1813 if test "${ERROR_ON_WARNING}" = yes ; then
1814 WERROR_CFLAGS="-Werror"
1817 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1819 -Wno-unused -Wunused-value -Wunused-function \
1820 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
1821 -Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
1822 -Wold-style-declaration -Wold-style-definition"
1824 # Enable -Wno-format by default when using gcc on mingw since many
1825 # GCC versions complain about %I64.
1827 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1828 *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
1831 AC_ARG_ENABLE(build-warnings,
1832 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1833 [case "${enableval}" in
1835 no) build_warnings="-w";;
1836 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1837 build_warnings="${build_warnings} ${t}";;
1838 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1839 build_warnings="${t} ${build_warnings}";;
1840 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1842 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1843 echo "Setting compiler warning flags = $build_warnings" 6>&1
1845 AC_ARG_ENABLE(gdb-build-warnings,
1846 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1847 [case "${enableval}" in
1849 no) build_warnings="-w";;
1850 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1851 build_warnings="${build_warnings} ${t}";;
1852 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1853 build_warnings="${t} ${build_warnings}";;
1854 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1856 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1857 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1860 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1862 AC_MSG_CHECKING(compiler warning flags)
1863 # Separate out the -Werror flag as some files just cannot be
1864 # compiled with it enabled.
1865 for w in ${build_warnings}; do
1867 -Werr*) WERROR_CFLAGS=-Werror ;;
1868 *) # Check that GCC accepts it
1869 saved_CFLAGS="$CFLAGS"
1871 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1872 CFLAGS="$saved_CFLAGS"
1875 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1877 AC_SUBST(WARN_CFLAGS)
1878 AC_SUBST(WERROR_CFLAGS)
1880 # In the Cygwin environment, we need some additional flags.
1881 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1882 [AC_EGREP_CPP(lose, [
1883 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1885 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1888 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1889 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1891 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1892 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1893 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1895 AC_SUBST(SER_HARDWIRE)
1897 # libreadline needs libuser32.a in a cygwin environment
1899 if test x$gdb_cv_os_cygwin = xyes; then
1900 WIN32LIBS="-luser32"
1902 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1907 # The ser-tcp.c module requires sockets.
1910 AC_DEFINE(USE_WIN32API, 1,
1911 [Define if we should use the Windows API, instead of the
1912 POSIX API. On Windows, we use the Windows API when
1913 building for MinGW, but the POSIX API when building
1915 WIN32LIBS="$WIN32LIBS -lws2_32"
1920 # Add ELF support to GDB, but only if BFD includes ELF support.
1921 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1922 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1923 if test $gdb_cv_var_elf = yes; then
1924 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
1925 AC_DEFINE(HAVE_ELF, 1,
1926 [Define if ELF support should be included.])
1927 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1928 if test "$plugins" = "yes"; then
1929 AC_SEARCH_LIBS(dlopen, dl)
1933 # Add macho support to GDB, but only if BFD includes it.
1934 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1935 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1936 if test $gdb_cv_var_macho = yes; then
1937 CONFIG_OBS="$CONFIG_OBS machoread.o"
1940 # Add SOM support to GDB, but only if BFD includes it.
1941 GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
1942 [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
1943 if test $gdb_cv_var_som = yes; then
1944 CONFIG_OBS="$CONFIG_OBS somread.o"
1947 # Add any host-specific objects to GDB.
1948 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1950 # If building on ELF, look for lzma support for embedded compressed debug info.
1951 if test $gdb_cv_var_elf = yes; then
1953 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1954 [], [with_lzma=auto])
1955 AC_MSG_CHECKING([whether to use lzma])
1956 AC_MSG_RESULT([$with_lzma])
1958 if test "${with_lzma}" != no; then
1959 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1960 [lzma_index_iter iter;
1961 lzma_index_iter_init (&iter, 0);
1962 lzma_mf_is_supported (LZMA_MF_HC3);])
1963 if test "$HAVE_LIBLZMA" != yes; then
1964 if test "$with_lzma" = yes; then
1965 AC_MSG_ERROR([missing liblzma for --with-lzma])
1971 LIBGUI="../libgui/src/libgui.a"
1972 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1974 AC_SUBST(GUI_CFLAGS_X)
1978 AC_SUBST(WIN32LDAPP)
1981 *-*-cygwin* | *-*-mingw* )
1990 if test "${enable_gdbtk}" = "yes"; then
1992 # Gdbtk must have an absolute path to srcdir in order to run
1993 # properly when not installed.
2001 # If $no_tk is nonempty, then we can't do Tk, and there is no
2002 # point to doing Tcl.
2005 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2008 # Check for in-tree tcl
2015 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2019 # Find Tcl private headers
2020 if test x"${intree}" = xno; then
2021 CY_AC_TCL_PRIVATE_HEADERS
2022 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2023 TCL_LIBRARY="${TCL_LIB_SPEC}"
2026 # If building tcl in the same src tree, private headers
2027 # are not needed, but we need to be sure to use the right
2029 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2030 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2031 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2033 AC_SUBST(TCL_INCLUDE)
2034 AC_SUBST(TCL_LIBRARY)
2039 # Check for in-tree Tk
2041 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2045 # Find Tk private headers
2046 if test x"${intree}" = xno; then
2047 CY_AC_TK_PRIVATE_HEADERS
2048 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2049 TK_LIBRARY=${TK_LIB_SPEC}
2052 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2053 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2054 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2056 AC_SUBST(TK_INCLUDE)
2057 AC_SUBST(TK_LIBRARY)
2059 AC_SUBST(TK_XINCLUDES)
2061 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2063 # Include some libraries that Tcl and Tk want.
2064 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2065 # Yes, the ordering seems wrong here. But it isn't.
2066 # TK_LIBS is the list of libraries that need to be linked
2067 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2068 # were in LIBS then any link tests after this point would
2069 # try to include things like `$(LIBGUI)', which wouldn't work.
2070 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2072 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2073 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2074 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2075 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2076 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2077 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2078 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2080 if test x$gdb_cv_os_cygwin = xyes; then
2081 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2082 WIN32LDAPP="-Wl,--subsystem,console"
2083 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2086 AC_CONFIG_SUBDIRS(gdbtk)
2094 AC_SUBST(GDBTK_CFLAGS)
2095 AC_SUBST(GDBTK_SRC_DIR)
2099 # Unlike the sim directory, whether a simulator is linked is controlled by
2100 # presence of a gdb_sim definition in the target configure.tgt entry.
2101 # This code just checks for a few cases where we'd like to ignore those
2102 # definitions, even when they're present in the '.mt' file. These cases
2103 # are when --disable-sim is specified, or if the simulator directory is
2104 # not part of the source tree.
2107 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2108 [echo "enable_sim = $enable_sim";
2109 echo "enableval = ${enableval}";
2110 case "${enableval}" in
2111 yes) ignore_sim=false ;;
2112 no) ignore_sim=true ;;
2113 *) ignore_sim=false ;;
2117 if test ! -d "${srcdir}/../sim"; then
2123 if test "${ignore_sim}" = "false"; then
2124 if test x"${gdb_sim}" != x ; then
2126 SIM_OBS="remote-sim.o"
2127 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2133 AC_SUBST(ENABLE_CFLAGS)
2134 AC_SUBST(PROFILE_CFLAGS)
2136 AC_SUBST(CONFIG_OBS)
2137 AC_SUBST(CONFIG_DEPS)
2138 AC_SUBST(CONFIG_SRCS)
2139 AC_SUBST(CONFIG_ALL)
2140 AC_SUBST(CONFIG_CLEAN)
2141 AC_SUBST(CONFIG_INSTALL)
2142 AC_SUBST(CONFIG_UNINSTALL)
2144 # List of host floatformats.
2145 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2146 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2147 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2149 # target_subdir is used by the testsuite to find the target libraries.
2151 if test "${host}" != "${target}"; then
2152 target_subdir="${target_alias}/"
2154 AC_SUBST(target_subdir)
2157 if test "${gdb_native}" = "yes"; then
2158 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2159 if test ! -f ${host_makefile_frag}; then
2160 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2162 frags="$frags $host_makefile_frag"
2164 host_makefile_frag=/dev/null
2167 AC_SUBST_FILE(host_makefile_frag)
2171 if test "${gdb_native}" = "yes"; then
2172 # We pick this up from the host configuration file (.mh) because we
2173 # do not have a native configuration Makefile fragment.
2174 nativefile=`sed -n '
2175 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2176 ' ${host_makefile_frag}`
2180 if test x"${gdb_osabi}" != x ; then
2181 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2182 [Define to the default OS ABI for this configuration.])
2185 # Enable multi-ice-gdb-server.
2186 AC_ARG_ENABLE(multi-ice,
2187 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2191 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2193 if test "x$enable_multi_ice" = xyes; then
2194 AC_CONFIG_SUBDIRS(multi-ice)
2197 AC_ARG_ENABLE(gdbserver,
2198 AS_HELP_STRING([--enable-gdbserver],
2199 [automatically build gdbserver (yes/no/auto, default is auto)]),
2200 [case "${enableval}" in
2202 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2203 esac],[enable_gdbserver=auto])
2205 # We only build gdbserver automatically in a native configuration, and
2206 # only if the user did not explicitly disable its build.
2207 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2208 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2209 if test "x$build_gdbserver" = xyes; then
2211 AC_CONFIG_SUBDIRS(gdbserver)
2212 gdbserver_build_enabled=yes
2218 # If the user explicitly request the gdbserver to be built, verify that
2219 # we were in fact able to enable it.
2220 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2221 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2224 # Check for babeltrace and babeltrace-ctf
2225 AC_ARG_WITH(babeltrace,
2226 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2227 [], [with_babeltrace=auto])
2228 AC_MSG_CHECKING([whether to use babeltrace])
2229 AC_MSG_RESULT([$with_babeltrace])
2231 if test "x$with_babeltrace" = "xno"; then
2232 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2234 # Append -Werror to CFLAGS so that configure can catch the warning
2235 # "assignment from incompatible pointer type", which is related to
2236 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2237 # in GDB, while babeltrace 1.0.3 is broken.
2238 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2239 # safe to save and restore CFLAGS here.
2240 saved_CFLAGS=$CFLAGS
2241 CFLAGS="$CFLAGS -Werror"
2242 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2243 [#include <babeltrace/babeltrace.h>
2244 #include <babeltrace/ctf/events.h>
2245 #include <babeltrace/ctf/iterator.h>],
2246 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2247 struct bt_ctf_event *event = NULL;
2248 const struct bt_definition *scope;
2250 scope = bt_ctf_get_top_level_scope (event,
2251 BT_STREAM_EVENT_HEADER);
2252 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2254 CFLAGS=$saved_CFLAGS
2256 if test "$HAVE_LIBBABELTRACE" != yes; then
2257 if test "$with_babeltrace" = yes; then
2258 AC_MSG_ERROR([babeltrace is missing or unusable])
2260 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2265 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2266 # to an empty version.
2272 if test "${nativefile}" != ""; then
2273 case "${nativefile}" in
2274 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2275 * ) GDB_NM_FILE="${nativefile}"
2277 files="${files} ${GDB_NM_FILE}"
2278 links="${links} nm.h"
2279 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2281 AC_SUBST(GDB_NM_FILE)
2283 AC_LINK_FILES($files, $links)
2285 dnl Check for exe extension set on certain hosts (e.g. Win32)
2288 dnl Detect the character set used by this host.
2289 dnl At the moment, we just assume it's UTF-8.
2290 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2291 [Define to be a string naming the default host character set.])
2293 # Undo the $ec_script escaping suitable for Makefile.
2294 transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'`
2295 GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"`
2296 if test "x$GDB_TRANSFORM_NAME" = x; then
2297 GDB_TRANSFORM_NAME=gdb
2299 AC_SUBST(GDB_TRANSFORM_NAME)
2300 GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"`
2301 if test "x$GCORE_TRANSFORM_NAME" = x; then
2302 GCORE_TRANSFORM_NAME=gcore
2304 AC_SUBST(GCORE_TRANSFORM_NAME)
2305 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2307 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2309 case x$CONFIG_HEADERS in
2310 xconfig.h:config.in)