1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2012 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)
27 AC_USE_SYSTEM_EXTENSIONS
35 # Dependency checking.
37 ZW_PROG_COMPILER_DEPENDENCIES([CC])
39 # Check for the 'make' the user wants to use.
40 AC_CHECK_PROGS(MAKE, make)
42 case "`$MAKE --version 2>&1 | sed 1q`" in
47 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
50 dnl List of object files and targets accumulated by configure.
62 dnl Set up for gettext.
63 ZW_GNU_GETTEXT_SISTER_DIR
65 localedir='${datadir}/locale'
68 if test x"$USE_NLS" = xyes; then
69 CONFIG_ALL="$CONFIG_ALL all-po"
70 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
71 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
72 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
77 # For Makefile dependencies.
79 if test x"$STDINT_H" != x; then
80 GNULIB_STDINT_H=gnulib/$STDINT_H
82 AC_SUBST(GNULIB_STDINT_H)
85 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
88 # We never need to detect it in this sub-configure.
89 # But preserve it for config.status --recheck.
91 [Parent configure detects if it is of sufficient version.])
92 AC_ARG_VAR(MAKEINFOFLAGS,
93 [Parameters for MAKEINFO.])
95 MAKEINFO_EXTRA_FLAGS=""
96 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
97 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
98 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
99 gdb_cv_have_makeinfo_click=yes
101 gdb_cv_have_makeinfo_click=no
103 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
104 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
106 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
108 # GDB does not use automake, but gnulib does. This line lets us
109 # generate its Makefile.in.
110 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
112 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
113 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
116 # We can't pass paths as command line arguments.
117 # Mingw32 tries to be clever and will convert the paths for us.
118 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
119 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
120 # This breaks GDB's relocatable path conversions since paths passed in
121 # config.h would not get so translated, the path prefixes no longer match.
122 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
124 # GDB's datadir relocation
126 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
127 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
130 AC_ARG_WITH(relocated-sources,
131 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
132 [reloc_srcdir="${withval}"
133 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
134 [Relocated directory for source files. ])
137 AC_MSG_CHECKING([for default auto-load safe-path])
138 AC_ARG_WITH(auto-load-safe-path,
139 AS_HELP_STRING([--with-auto-load-safe-path=PATH], [directories safe to hold auto-loaded files])
140 AS_HELP_STRING([--without-auto-load-safe-path], [do not restrict auto-loaded files locations]),
141 [if test "$with_auto_load_safe_path" = "no"; then
142 with_auto_load_safe_path=""
144 [with_auto_load_safe_path="$prefix"])
145 AC_DEFINE_DIR(DEFAULT_AUTO_LOAD_SAFE_PATH, with_auto_load_safe_path,
146 [Directories safe to hold auto-loaded files.])
147 AC_MSG_RESULT([$with_auto_load_safe_path])
149 AC_CONFIG_SUBDIRS(testsuite)
151 # Check whether to support alternative target configurations
152 AC_ARG_ENABLE(targets,
153 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
154 [case "${enableval}" in
155 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
157 no) enable_targets= ;;
158 *) enable_targets=$enableval ;;
161 # Check whether to enable 64-bit support on 32-bit hosts
162 AC_ARG_ENABLE(64-bit-bfd,
163 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
164 [case "${enableval}" in
167 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
168 esac],[want64=false])dnl
170 # Provide defaults for some variables set by the per-host and per-target
172 gdb_host_obs=posix-hdep.o
174 if test "${target}" = "${host}"; then
180 . $srcdir/configure.host
182 # Accumulate some settings from configure.tgt over all enabled targets
187 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
189 if test "$targ_alias" = "all"; then
192 # Canonicalize the secondary target names.
193 result=`$ac_config_sub $targ_alias 2>/dev/null`
194 if test -n "$result"; then
200 . ${srcdir}/configure.tgt
202 AS_IF([test -z "${gdb_target_obs}"],
203 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
205 # Target-specific object files
206 for i in ${gdb_target_obs}; do
207 case " $TARGET_OBS " in
210 TARGET_OBS="$TARGET_OBS ${i}"
215 # Check whether this target needs 64-bit CORE_ADDR
216 if test x${want64} = xfalse; then
217 . ${srcdir}/../bfd/config.bfd
222 if test x${all_targets} = xtrue; then
224 # We want all 64-bit targets if we either:
225 # - run on a 64-bit host or
226 # - already require 64-bit support for some other target or
227 # - the --enable-64-bit-bfd option was supplied
228 # Otherwise we only support all 32-bit targets.
230 # NOTE: This test must be in sync with the corresponding
233 if test x${want64} = xfalse; then
234 AC_CHECK_SIZEOF(long)
235 if test "x${ac_cv_sizeof_long}" = "x8"; then
239 if test x${want64} = xtrue; then
240 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
242 TARGET_OBS='$(ALL_TARGET_OBS)'
248 # For other settings, only the main target counts.
252 targ=$target; . ${srcdir}/configure.tgt
254 # Fetch the default architecture and default target vector from BFD.
255 targ=$target; . $srcdir/../bfd/config.bfd
257 # We only want the first architecture, so strip off the others if
258 # there is more than one.
259 targ_archs=`echo $targ_archs | sed 's/ .*//'`
261 if test "x$targ_archs" != x; then
262 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
263 [Define to BFD's default architecture. ])
265 if test "x$targ_defvec" != x; then
266 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
267 [Define to BFD's default target vector. ])
270 # The CLI cannot be disabled yet, but may be in the future.
273 AC_ARG_ENABLE(gdbcli,
274 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
279 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
281 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
284 if test x"$enable_gdbcli" = xyes; then
285 if test -d $srcdir/cli; then
286 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
287 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
288 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
289 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
295 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
300 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
303 if test x"$enable_gdbmi" = xyes; then
304 if test -d $srcdir/mi; then
305 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
306 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
307 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
308 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
314 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
319 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
320 esac],enable_tui=auto)
324 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
329 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
331 [if test -d $srcdir/gdbtk; then
336 # We unconditionally disable gdbtk tests on selected platforms.
339 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
343 # Libunwind support for ia64.
345 AC_ARG_WITH(libunwind-ia64,
346 AS_HELP_STRING([--with-libunwind-ia64],
347 [use libunwind frame unwinding for ia64 targets]),,
348 [with_libunwind_ia64=auto])
350 # Backward compatibility option.
351 if test "${with_libunwind+set}" = set; then
352 if test x"$with_libunwind_ia64" != xauto; then
354 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
356 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
357 with_libunwind_ia64="$with_libunwind"
360 case "$with_libunwind_ia64" in
364 AC_CHECK_HEADERS(libunwind-ia64.h)
365 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
369 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
373 if test x"$with_libunwind_ia64" = xyes; then
374 AC_CHECK_HEADERS(libunwind-ia64.h)
375 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
376 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
378 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
379 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
380 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
384 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
387 if test "$opt_curses" = "yes"; then
392 AC_ARG_ENABLE(profiling,
393 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
398 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
400 [enable_profiling=no])
402 AC_CHECK_FUNCS(monstartup _mcleanup)
403 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
408 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
409 if test $ac_cv_var__etext = yes; then
410 AC_DEFINE(HAVE__ETEXT, 1,
411 [Define to 1 if your system has the _etext variable. ])
413 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
418 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
419 if test $ac_cv_var_etext = yes; then
420 AC_DEFINE(HAVE_ETEXT, 1,
421 [Define to 1 if your system has the etext variable. ])
423 if test "$enable_profiling" = yes ; then
424 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
425 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
429 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
431 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
432 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
433 ac_cv_cc_supports_pg=no)])
435 if test $ac_cv_cc_supports_pg = no; then
436 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
442 ACX_PKGVERSION([GDB])
443 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
444 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
445 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
447 # --------------------- #
448 # Checks for programs. #
449 # --------------------- #
457 AC_CHECK_TOOL(AR, ar)
458 AC_CHECK_TOOL(DLLTOOL, dlltool)
459 AC_CHECK_TOOL(WINDRES, windres)
461 # Needed for GNU/Hurd.
462 AC_CHECK_TOOL(MIG, mig)
464 # ---------------------- #
465 # Checks for libraries. #
466 # ---------------------- #
468 # We might need to link with -lm; most simulators need it.
469 AC_CHECK_LIB(m, main)
471 # We need to link with -lw to get `wctype' on Solaris before Solaris
472 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
473 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
474 # is known to have this problem). Therefore we avoid libw if we can.
475 AC_CHECK_FUNC(wctype, [],
476 [AC_CHECK_LIB(w, wctype)])
478 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
479 AC_SEARCH_LIBS(gethostbyname, nsl)
481 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
482 AC_SEARCH_LIBS(socketpair, socket)
484 # Link in zlib if we can. This allows us to read compressed debug sections.
487 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
488 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
492 # GDB may fork/exec the iconv program to get the list of supported character
493 # sets. Allow the user to specify where to find it.
494 # There are several factors affecting the choice of option name:
495 # - There is already --with-libiconv-prefix but we can't use it, it specifies
496 # the build-time location of libiconv files.
497 # - The program we need to find is iconv, which comes with glibc. The user
498 # doesn't necessarily have libiconv installed. Therefore naming this
499 # --with-libiconv-foo feels wrong.
500 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
501 # defined to work on directories not files (though it really doesn't know
503 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
504 # with --with-libiconv-prefix.
505 # Putting these together is why the option name is --with-iconv-bin.
507 AC_ARG_WITH(iconv-bin,
508 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
509 [iconv_bin="${withval}"
510 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
511 [Path of directory of iconv program.])
512 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
515 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
516 # There is a very specific comment in /usr/include/curses.h explaining that
517 # termcap routines built into libcurses must not be used.
519 # The symptoms we observed so far is GDB unexpectedly changing
520 # the terminal settings when tgetent is called - this is particularly
521 # visible as the output is missing carriage returns, and so rapidly
522 # becomes very hard to read.
524 # The readline configure script has already decided that libtermcap
525 # was enough for its purposes, and so decided to build readline using
526 # libtermcap. Since the TUI mode requires curses, building GDB with
527 # TUI enabled results in both libraries to be used at the same time,
528 # which is not allowed. This basically means that GDB with TUI is
529 # broken on alpha-osf.
533 if test x"$enable_tui" = xyes; then
534 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
536 if test x"$enable_tui" = xauto; then
542 # For the TUI, we need enhanced curses functionality.
543 if test x"$enable_tui" != xno; then
548 if test x"$prefer_curses" = xyes; then
549 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
550 # curses library because the latter might not provide all the
551 # functionality we need. However, this leads to problems on systems
552 # where the linker searches /usr/local/lib, but the compiler doesn't
553 # search /usr/local/include, if ncurses is installed in /usr/local. A
554 # default installation of ncurses on alpha*-dec-osf* will lead to such
556 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
558 if test "$ac_cv_search_waddstr" != no; then
563 # Check whether we should enable the TUI, but only do so if we really
565 if test x"$enable_tui" != xno; then
566 if test -d $srcdir/tui; then
567 if test "$curses_found" != no; then
568 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
569 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
570 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
571 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
573 if test x"$enable_tui" = xyes; then
574 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
576 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
582 # Since GDB uses Readline, we need termcap functionality. In many
583 # cases this will be provided by the curses library, but some systems
584 # have a seperate termcap library, or no curses library at all.
588 if test -d $srcdir/libtermcap; then
589 LIBS="../libtermcap/libtermcap.a $LIBS"
590 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
593 ac_cv_search_tgetent="none required"
596 ac_cv_search_tgetent="none required"
597 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
601 # These are the libraries checked by Readline.
602 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
604 if test "$ac_cv_search_tgetent" = no; then
605 AC_MSG_ERROR([no termcap library found])
608 AC_ARG_WITH([system-readline],
609 [AS_HELP_STRING([--with-system-readline],
610 [use installed readline library])])
612 if test "$with_system_readline" = yes; then
616 READLINE_TEXI_INCFLAG=
618 READLINE='$(READLINE_DIR)/libreadline.a'
619 READLINE_DEPS='$(READLINE)'
620 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
621 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
624 AC_SUBST(READLINE_DEPS)
625 AC_SUBST(READLINE_CFLAGS)
626 AC_SUBST(READLINE_TEXI_INCFLAG)
628 # Generate jit-reader.h
630 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
633 AC_CHECK_SIZEOF(unsigned long long)
634 AC_CHECK_SIZEOF(unsigned long)
635 AC_CHECK_SIZEOF(unsigned __int128)
637 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
638 TARGET_PTR="unsigned long"
639 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
640 TARGET_PTR="unsigned long long"
641 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
642 TARGET_PTR="unsigned __int128"
644 TARGET_PTR="unsigned long"
648 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
650 AC_SEARCH_LIBS(dlopen, dl)
652 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
653 [directory to load the JIT readers from],
657 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
658 [], [with_expat=auto])
659 AC_MSG_CHECKING([whether to use expat])
660 AC_MSG_RESULT([$with_expat])
662 if test "${with_expat}" = no; then
663 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
666 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
667 [XML_Parser p = XML_ParserCreate (0);])
668 if test "$HAVE_LIBEXPAT" != yes; then
669 if test "$with_expat" = yes; then
670 AC_MSG_ERROR([expat is missing or unusable])
672 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
676 LIBS="$LIBS $LIBEXPAT"
677 AC_CHECK_FUNCS(XML_StopParser)
682 dnl Utility to simplify finding libpython.
684 dnl $2 = the shell variable to assign the result to
685 dnl If libpython is found we store $version here.
686 dnl $3 = additional flags to add to CPPFLAGS
687 dnl $4 = additional flags to add to LIBS
689 AC_DEFUN([AC_TRY_LIBPYTHON],
692 define([have_libpython_var],$2)
695 AC_MSG_CHECKING([for ${version}])
696 save_CPPFLAGS=$CPPFLAGS
698 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
699 LIBS="$LIBS $new_LIBS"
700 found_usable_python=no
701 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
702 [[Py_Initialize ();]]),
703 [have_libpython_var=${version}
704 found_usable_python=yes
705 PYTHON_CPPFLAGS=$new_CPPFLAGS
706 PYTHON_LIBS=$new_LIBS])
707 CPPFLAGS=$save_CPPFLAGS
709 AC_MSG_RESULT([${found_usable_python}])
712 dnl There are several different values for --with-python:
714 dnl no - Don't include python support.
715 dnl yes - Include python support, error if it's missing.
716 dnl If we find python in $PATH, use it to fetch configure options,
717 dnl otherwise assume the compiler can find it with no help from us.
718 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
719 dnl auto - Same as "yes", but if python is missing from the system,
720 dnl fall back to "no".
721 dnl /path/to/python/exec-prefix -
722 dnl Use the python located in this directory.
723 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
724 dnl the compilation parameters. Otherwise use
725 dnl -I/path/to/python/exec-prefix/include,
726 dnl -L/path/to/python/exec-prefix/lib.
727 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
728 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
729 dnl but is deprecated.
730 dnl /path/to/python/executable -
731 dnl Run python-config.py with this version of python to fetch the
732 dnl compilation parameters.
733 dnl NOTE: This needn't be the real python executable.
734 dnl In a cross-compilation scenario (build != host), this could be
735 dnl a shell script that provides what python-config.py provides for
736 dnl --ldflags, --includes, --exec-prefix.
737 dnl python-executable -
738 dnl Find python-executable in $PATH, and then handle the same as
739 dnl /path/to/python/executable.
741 dnl If a python program is specified, it is used to run python-config.py and
742 dnl is passed --ldflags, --includes, --exec-prefix.
745 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
746 [], [with_python=auto])
747 AC_MSG_CHECKING([whether to use python])
748 AC_MSG_RESULT([$with_python])
750 if test "${with_python}" = no; then
751 AC_MSG_WARN([python support disabled; some features may be unavailable.])
754 case "${with_python}" in
755 [[\\/]]* | ?:[[\\/]]*)
756 if test -d ${with_python}; then
757 # Assume the python binary is ${with_python}/bin/python.
758 python_prog="${with_python}/bin/python"
760 # If python does not exit ${with_python}/bin, then try in
761 # ${with_python}. On Windows/MinGW, this is where the Python
763 if test ! -x "${python_prog}"; then
764 python_prog="${with_python}/python"
767 if test ! -x "${python_prog}"; then
768 # Fall back to gdb 7.0/7.1 behaviour.
770 python_prefix=${with_python}
772 elif test -x "${with_python}"; then
773 # While we can't run python compiled for $host (unless host == build),
774 # the user could write a script that provides the needed information,
775 # so we support that.
776 python_prog=${with_python}
779 AC_ERROR(invalid value for --with-python)
783 # Disallow --with-python=foo/bar.
784 AC_ERROR(invalid value for --with-python)
787 # The user has either specified auto, yes, or the name of the python
788 # program assumed to be in $PATH.
790 case "${with_python}" in
792 if test ${build} = ${host}; then
793 AC_PATH_PROG(python_prog_path, python, missing)
794 if test "${python_prog_path}" = missing; then
797 python_prog=${python_prog_path}
800 # Not much we can do except assume the cross-compiler will find the
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}"
810 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
811 if test "${python_prog_path}" = missing; then
812 AC_ERROR(unable to find python program ${python_prog})
818 if test "${python_prog}" != missing; then
819 # We have a python program to use, but it may be too old.
820 # Don't flag an error for --with-python=auto (the default).
821 have_python_config=yes
822 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
823 if test $? != 0; then
824 have_python_config=failed
825 if test "${with_python}" != auto; then
826 AC_ERROR(failure running python-config --includes)
829 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
830 if test $? != 0; then
831 have_python_config=failed
832 if test "${with_python}" != auto; then
833 AC_ERROR(failure running python-config --ldflags)
836 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
837 if test $? != 0; then
838 have_python_config=failed
839 if test "${with_python}" != auto; then
840 AC_ERROR(failure running python-config --exec-prefix)
844 # We do not have a python executable we can use to determine where
845 # to find the Python headers and libs. We cannot guess the include
846 # path from the python_prefix either, because that include path
847 # depends on the Python version. So, there is nothing much we can
848 # do except assume that the compiler will be able to find those files.
851 have_python_config=no
854 # If we have python-config, only try the configuration it provides.
855 # Otherwise fallback on the old way of trying different versions of
859 if test "${have_python_config}" = yes; then
860 # Determine the Python version by extracting "-lpython<version>"
861 # part of the python_libs. <version> is usually X.Y with X and Y
862 # being decimal numbers, but can also be XY (seen on Windows).
864 # The extraction is performed using sed with a regular expression.
865 # Initially, the regexp used was using the '?' quantifier to make
866 # the dot in the version number optional. Unfortunately, this
867 # does not work with non-GNU versions of sed because, because of
868 # what looks like a limitation (the '?' quantifier does not work
869 # with back-references). We work around this limitation by using
870 # the '*' quantifier instead. It means that, in theory, we might
871 # match unexpected version strings such as "-lpython2..7", but
872 # this seems unlikely in practice. And even if that happens,
873 # an error will be triggered later on, when checking that version
875 python_version=`echo " ${python_libs} " \
876 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
877 case "${python_version}" in
879 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
880 ${python_includes}, ${python_libs})
883 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
886 elif test "${have_python_config}" != failed; then
887 if test "${have_libpython}" = no; then
888 AC_TRY_LIBPYTHON(python2.7, have_libpython,
889 ${python_includes}, "${python_libs} -lpython2.7")
891 if test "${have_libpython}" = no; then
892 AC_TRY_LIBPYTHON(python2.6, have_libpython,
893 ${python_includes}, "${python_libs} -lpython2.6")
895 if test ${have_libpython} = no; then
896 AC_TRY_LIBPYTHON(python2.5, have_libpython,
897 ${python_includes}, "${python_libs} -lpython2.5")
899 if test ${have_libpython} = no; then
900 AC_TRY_LIBPYTHON(python2.4, have_libpython,
901 ${python_includes}, "${python_libs} -lpython2.4")
904 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
905 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
906 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
907 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
908 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
909 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
910 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
911 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
914 if test "${have_libpython}" = no; then
915 case "${with_python}" in
917 AC_MSG_ERROR([python is missing or unusable])
920 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
923 AC_MSG_ERROR([no usable python found at ${with_python}])
927 if test -n "${python_prefix}"; then
928 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
929 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
930 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
935 if test "${have_libpython}" != no; then
936 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
937 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
938 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
939 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
940 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
941 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
943 # Flags needed to compile Python code (taken from python-config --cflags).
944 # We cannot call python-config directly because it will output whatever was
945 # used when compiling the Python interpreter itself, including flags which
946 # would make the python-related objects be compiled differently from the
947 # rest of GDB (e.g., -O2 and -fPIC).
948 if test "${GCC}" = yes; then
949 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
952 if test "x${tentative_python_cflags}" != x; then
953 AC_MSG_CHECKING(compiler flags for python code)
954 for flag in ${tentative_python_cflags}; do
955 # Check that the compiler accepts it
956 saved_CFLAGS="$CFLAGS"
957 CFLAGS="$CFLAGS $flag"
958 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
959 CFLAGS="$saved_CFLAGS"
961 AC_MSG_RESULT(${PYTHON_CFLAGS})
964 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
966 # #define siginfo __siginfo
968 # The problem is that including Python causes some XOPEN macros to be
969 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
970 # to false. So, we work around this issue by defining siginfo ourself
971 # though the command-line.
973 irix*) if test "${GCC}" = yes; then
974 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
979 # Even if Python support is not compiled in, we need to have these files
981 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
982 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
983 python/py-prettyprint.c python/py-auto-load.c"
985 AC_SUBST(PYTHON_CFLAGS)
986 AC_SUBST(PYTHON_CPPFLAGS)
987 AC_SUBST(PYTHON_LIBS)
989 # ------------------------- #
990 # Checks for header files. #
991 # ------------------------- #
996 # elf_hp.h is for HP/UX 64-bit shared library support.
997 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
998 # unconditionally, so what's the point in checking these?
999 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1000 thread_db.h gnu/libc-version.h signal.h stddef.h \
1001 stdlib.h string.h memory.h strings.h sys/fault.h \
1002 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1003 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1004 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1005 sys/types.h sys/wait.h wait.h termios.h termio.h \
1006 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
1007 dlfcn.h sys/socket.h sys/un.h])
1008 AC_CHECK_HEADERS(link.h, [], [],
1009 [#if HAVE_SYS_TYPES_H
1010 # include <sys/types.h>
1016 AC_CHECK_HEADERS(sys/proc.h, [], [],
1017 [#if HAVE_SYS_PARAM_H
1018 # include <sys/param.h>
1021 AC_CHECK_HEADERS(sys/user.h, [], [],
1022 [#if HAVE_SYS_PARAM_H
1023 # include <sys/param.h>
1027 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1028 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1029 # think that we don't have <curses.h> if we're using GCC.
1032 if test "$GCC" = yes; then
1033 AC_DEFINE(_MSE_INT_H, 1,
1034 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1035 Solaris 2.[789] when using GCC. ])
1038 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1039 AC_CHECK_HEADERS(term.h, [], [],
1041 # include <curses.h>
1045 # ------------------------- #
1046 # Checks for declarations. #
1047 # ------------------------- #
1049 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1050 snprintf, vsnprintf])
1053 # ----------------------- #
1054 # Checks for structures. #
1055 # ----------------------- #
1057 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1059 # ------------------ #
1060 # Checks for types. #
1061 # ------------------ #
1064 AC_CHECK_TYPES(socklen_t, [], [],
1065 [#include <sys/types.h>
1066 #include <sys/socket.h>
1069 # ------------------------------------- #
1070 # Checks for compiler characteristics. #
1071 # ------------------------------------- #
1077 # ------------------------------ #
1078 # Checks for library functions. #
1079 # ------------------------------ #
1084 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1085 pipe poll pread pread64 pwrite readlink resize_term \
1086 sbrk setpgid setpgrp setsid \
1087 sigaction sigprocmask sigsetmask socketpair syscall \
1088 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1089 setrlimit getrlimit posix_madvise waitpid lstat])
1092 # Check the return and argument types of ptrace. No canned test for
1093 # this, so roll our own.
1094 gdb_ptrace_headers='
1095 #if HAVE_SYS_TYPES_H
1096 # include <sys/types.h>
1098 #if HAVE_SYS_PTRACE_H
1099 # include <sys/ptrace.h>
1102 # include <unistd.h>
1105 # There is no point in checking if we don't have a prototype.
1106 AC_CHECK_DECLS(ptrace, [], [
1107 : ${gdb_cv_func_ptrace_ret='int'}
1108 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1109 ], $gdb_ptrace_headers)
1110 # Check return type. Varargs (used on GNU/Linux) conflict with the
1111 # empty argument list, so check for that explicitly.
1112 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1113 AC_TRY_COMPILE($gdb_ptrace_headers,
1114 [extern long ptrace (enum __ptrace_request, ...);],
1115 gdb_cv_func_ptrace_ret='long',
1116 AC_TRY_COMPILE($gdb_ptrace_headers,
1117 [extern int ptrace ();],
1118 gdb_cv_func_ptrace_ret='int',
1119 gdb_cv_func_ptrace_ret='long')))
1120 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1121 [Define as the return type of ptrace.])
1122 # Check argument types.
1123 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1124 AC_TRY_COMPILE($gdb_ptrace_headers,
1125 [extern long ptrace (enum __ptrace_request, ...);],
1126 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1127 for gdb_arg1 in 'int' 'long'; do
1128 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1129 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1130 for gdb_arg4 in 'int' 'long'; do
1131 AC_TRY_COMPILE($gdb_ptrace_headers, [
1132 extern $gdb_cv_func_ptrace_ret
1133 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1134 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1136 for gdb_arg5 in 'int *' 'int' 'long'; do
1137 AC_TRY_COMPILE($gdb_ptrace_headers, [
1138 extern $gdb_cv_func_ptrace_ret
1139 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1141 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1148 # Provide a safe default value.
1149 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1151 ac_save_IFS=$IFS; IFS=','
1152 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1155 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1156 [Define to the type of arg 3 for ptrace.])
1157 if test -n "$[5]"; then
1158 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1159 [Define to the type of arg 5 for ptrace.])
1162 dnl AC_FUNC_SETPGRP does not work when cross compiling
1163 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1164 if test "$cross_compiling" = no; then
1167 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1171 if (setpgrp(1,1) == -1)
1175 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1176 if test $ac_cv_func_setpgrp_void = yes; then
1177 AC_DEFINE(SETPGRP_VOID, 1)
1181 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1182 # since sigsetjmp might only be defined as a macro.
1183 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1186 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1187 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1188 if test $gdb_cv_func_sigsetjmp = yes; then
1189 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1192 # Assume we'll default to using the included libiberty regex.
1193 gdb_use_included_regex=yes
1195 # However, if the system regex is GNU regex, then default to *not*
1196 # using the included regex.
1199 [gdb_cv_have_gnu_regex],
1201 [#include <gnu-versions.h>],
1202 [#define REGEX_INTERFACE_VERSION 1
1203 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1204 # error "Version mismatch"
1206 gdb_cv_have_gnu_regex=yes,
1207 gdb_cv_have_gnu_regex=no)])
1208 if test $gdb_cv_have_gnu_regex = yes; then
1209 gdb_use_included_regex=no
1212 AC_ARG_WITH(included-regex,
1213 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1214 gdb_with_regex=$withval,
1215 gdb_with_regex=$gdb_use_included_regex)
1216 if test "$gdb_with_regex" = yes; then
1217 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1218 [Define to 1 if the regex included in libiberty should be used.])
1221 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1222 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1223 [#include <sys/param.h>
1224 #include <sys/proc.h>
1227 # See if <sys/lwp.h> defines `struct lwp`.
1228 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1229 [AC_TRY_COMPILE([#include <sys/param.h>
1230 #include <sys/lwp.h>], [struct lwp l;],
1231 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1232 if test $gdb_cv_struct_lwp = yes; then
1233 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1234 [Define to 1 if your system has struct lwp.])
1237 # See if <machine/reg.h> degines `struct reg'.
1238 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1239 [AC_TRY_COMPILE([#include <sys/types.h>
1240 #include <machine/reg.h>], [struct reg r;],
1241 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1242 if test $gdb_cv_struct_reg = yes; then
1243 AC_DEFINE(HAVE_STRUCT_REG, 1,
1244 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1247 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1248 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1249 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1250 [#include <machine/reg.h>])
1252 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1253 AC_MSG_CHECKING(for PTRACE_GETREGS)
1254 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1255 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1257 [gdb_cv_have_ptrace_getregs=yes],
1258 [gdb_cv_have_ptrace_getregs=no])])
1259 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1260 if test $gdb_cv_have_ptrace_getregs = yes; then
1261 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1262 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1265 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1266 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1267 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1268 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1269 [PTRACE_GETFPXREGS;],
1270 [gdb_cv_have_ptrace_getfpxregs=yes],
1271 [gdb_cv_have_ptrace_getfpxregs=no])])
1272 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1273 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1274 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1275 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1278 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1279 AC_MSG_CHECKING(for PT_GETDBREGS)
1280 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1281 [AC_TRY_COMPILE([#include <sys/types.h>
1282 #include <sys/ptrace.h>],
1284 [gdb_cv_have_pt_getdbregs=yes],
1285 [gdb_cv_have_pt_getdbregs=no])])
1286 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1287 if test $gdb_cv_have_pt_getdbregs = yes; then
1288 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1289 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1292 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1293 AC_MSG_CHECKING(for PT_GETXMMREGS)
1294 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1295 [AC_TRY_COMPILE([#include <sys/types.h>
1296 #include <sys/ptrace.h>],
1298 [gdb_cv_have_pt_getxmmregs=yes],
1299 [gdb_cv_have_pt_getxmmregs=no])])
1300 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1301 if test $gdb_cv_have_pt_getxmmregs = yes; then
1302 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1303 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1306 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1308 if test "${target}" = "${host}"; then
1310 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1311 AC_DEFINE(NEW_PROC_API, 1,
1312 [Define if you want to use new multi-fd /proc interface
1313 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1315 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1316 AC_DEFINE(NEW_PROC_API, 1,
1317 [Define if you want to use new multi-fd /proc interface
1318 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1321 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1322 AC_DEFINE([_KMEMUSER], 1,
1323 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1324 around a <sys/proc.h> problem on IRIX 5.])
1329 if test "$ac_cv_header_sys_procfs_h" = yes; then
1330 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1331 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1332 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1333 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1334 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1335 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1336 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1337 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1338 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1339 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1340 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1341 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1342 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1343 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1346 dnl Check for broken prfpregset_t type
1348 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1349 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1350 dnl instead of the struct itself). We detect this here, and work
1351 dnl around it in gdb_proc_service.h.
1353 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1354 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1355 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1356 [AC_TRY_RUN([#include <sys/procfs.h>
1359 if (sizeof (prfpregset_t) == sizeof (void *))
1363 gdb_cv_prfpregset_t_broken=no,
1364 gdb_cv_prfpregset_t_broken=yes,
1365 gdb_cv_prfpregset_t_broken=yes)])
1366 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1367 if test $gdb_cv_prfpregset_t_broken = yes; then
1368 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1369 [Define if the prfpregset_t type is broken.])
1373 dnl Check for PIOCSET ioctl entry
1375 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1376 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1377 [AC_TRY_COMPILE([#include <unistd.h>
1378 #include <sys/types.h>
1379 #include <sys/procfs.h>
1382 dummy = ioctl(0, PIOCSET, &dummy);
1384 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1385 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1386 if test $gdb_cv_have_procfs_piocset = yes; then
1387 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1388 [Define if ioctl argument PIOCSET is available.])
1392 dnl For native ports (host == target), check to see what kind of
1393 dnl legacy link.h support is needed. (See solib-legacy.c.)
1394 if test ${host} = ${target} ; then
1395 dnl Check for struct link_map with l_ members which are indicative
1396 dnl of SVR4-like shared libraries
1398 AC_MSG_CHECKING(for member l_addr in struct link_map)
1399 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1400 [AC_TRY_COMPILE([#include <link.h>],
1401 [struct link_map lm; (void) lm.l_addr;],
1402 gdb_cv_have_struct_link_map_with_l_members=yes,
1403 gdb_cv_have_struct_link_map_with_l_members=no)])
1404 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1405 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1406 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1407 [Define if <link.h> exists and defines struct link_map which has
1408 members with an ``l_'' prefix. (For Solaris, SVR4, and
1409 SVR4-like systems.)])
1412 dnl Check for struct link_map with lm_ members which are indicative
1413 dnl of SunOS-like shared libraries
1415 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1416 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1417 [AC_TRY_COMPILE([#include <sys/types.h>
1419 [struct link_map lm; (void) lm.lm_addr;],
1420 gdb_cv_have_struct_link_map_with_lm_members=yes,
1421 gdb_cv_have_struct_link_map_with_lm_members=no)])
1422 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1423 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1424 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1425 [Define if <link.h> exists and defines struct link_map which has
1426 members with an ``lm_'' prefix. (For SunOS.)])
1429 dnl Check for struct so_map with som_ members which are found on
1430 dnl some *BSD systems.
1432 AC_MSG_CHECKING(for member som_addr in struct so_map)
1433 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1434 [AC_TRY_COMPILE([#include <sys/types.h>
1439 [struct so_map lm; (void) lm.som_addr;],
1440 gdb_cv_have_struct_so_map_with_som_members=yes,
1441 gdb_cv_have_struct_so_map_with_som_members=no)])
1442 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1443 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1444 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1445 [Define if <link.h> exists and defines a struct so_map which has
1446 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1449 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1450 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1452 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1453 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1454 [AC_TRY_COMPILE([#define _SYSCALL32
1455 #include <sys/link.h>], [struct link_map32 l;],
1456 gdb_cv_have_struct_link_map32=yes,
1457 gdb_cv_have_struct_link_map32=no)])
1458 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1459 if test $gdb_cv_have_struct_link_map32 = yes; then
1460 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1461 [Define if <sys/link.h> has struct link_map32])
1462 AC_DEFINE(_SYSCALL32, 1,
1463 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1467 # Check if the compiler supports the `long long' type.
1469 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1470 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1471 [[extern long long foo;]],
1472 [[switch (foo & 2) { case 0: return 1; }]])],
1473 gdb_cv_c_long_long=yes,
1474 gdb_cv_c_long_long=no)])
1475 if test $gdb_cv_c_long_long = yes; then
1476 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1477 [Define to 1 if the compiler supports long long.])
1480 # Check if the compiler and runtime support printing long longs.
1482 AC_CACHE_CHECK([for long long support in printf],
1483 gdb_cv_printf_has_long_long,
1484 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1487 l = (l << 16) + 0x0123;
1488 l = (l << 16) + 0x4567;
1489 l = (l << 16) + 0x89ab;
1490 l = (l << 16) + 0xcdef;
1491 sprintf (buf, "0x%016llx", l);
1492 return (strcmp ("0x0123456789abcdef", buf));]])],
1493 gdb_cv_printf_has_long_long=yes,
1494 gdb_cv_printf_has_long_long=no,
1495 gdb_cv_printf_has_long_long=no)])
1496 if test $gdb_cv_printf_has_long_long = yes; then
1497 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1498 [Define to 1 if the "%ll" format works to print long longs.])
1501 # Check if the compiler and runtime support printing decfloats.
1503 AC_CACHE_CHECK([for decfloat support in printf],
1504 gdb_cv_printf_has_decfloat,
1505 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1507 _Decimal32 d32 = 1.2345df;
1508 _Decimal64 d64 = 1.2345dd;
1509 _Decimal128 d128 = 1.2345dl;
1510 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1511 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1512 gdb_cv_printf_has_decfloat=yes,
1513 gdb_cv_printf_has_decfloat=no,
1514 gdb_cv_printf_has_decfloat=no)])
1515 if test $gdb_cv_printf_has_decfloat = yes; then
1516 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1517 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1520 # Check if the compiler supports the `long double' type. We can't use
1521 # AC_C_LONG_DOUBLE because that one does additional checks on the
1522 # constants defined in <float.h> that fail on some systems,
1523 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1525 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1526 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1527 gdb_cv_c_long_double=yes,
1528 gdb_cv_c_long_double=no)])
1529 if test $gdb_cv_c_long_double = yes; then
1530 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1531 [Define to 1 if the compiler supports long double.])
1534 # Check if the compiler and runtime support printing long doubles.
1536 AC_CACHE_CHECK([for long double support in printf],
1537 gdb_cv_printf_has_long_double,
1538 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1540 long double f = 3.141592653;
1541 sprintf (buf, "%Lg", f);
1542 return (strncmp ("3.14159", buf, 7));]])],
1543 gdb_cv_printf_has_long_double=yes,
1544 gdb_cv_printf_has_long_double=no,
1545 gdb_cv_printf_has_long_double=no)])
1546 if test $gdb_cv_printf_has_long_double = yes; then
1547 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1548 [Define to 1 if the "%Lg" format works to print long doubles.])
1551 # Check if the compiler and runtime support scanning long doubles.
1553 AC_CACHE_CHECK([for long double support in scanf],
1554 gdb_cv_scanf_has_long_double,
1555 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1556 [[#include <stdio.h>]],
1557 [[char *buf = "3.141592653";
1559 sscanf (buf, "%Lg", &f);
1560 return !(f > 3.14159 && f < 3.14160);]])],
1561 gdb_cv_scanf_has_long_double=yes,
1562 gdb_cv_scanf_has_long_double=no,
1563 gdb_cv_scanf_has_long_double=no)])
1564 if test $gdb_cv_scanf_has_long_double = yes; then
1565 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1566 [Define to 1 if the "%Lg" format works to scan long doubles.])
1571 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1572 SAVE_LDFLAGS=$LDFLAGS
1575 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1576 *) gdb_cv_bigtoc=-bbigtoc ;;
1579 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1580 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1581 LDFLAGS="${SAVE_LDFLAGS}"
1583 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1587 AC_MSG_CHECKING(for the dynamic export flag)
1589 if test "${gdb_native}" = yes; then
1590 # The dynamically loaded libthread_db needs access to symbols in the gdb
1591 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1592 # may not be supported there.
1593 old_LDFLAGS="$LDFLAGS"
1594 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1595 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1596 LDFLAGS="$LDFLAGS $RDYNAMIC"
1597 if test "${have_libpython}" = no; then
1598 AC_TRY_LINK([], [], [dynamic_list=true])
1600 # Workaround http://bugs.python.org/issue4434 where static
1601 # libpythonX.Y.a would get its symbols required for
1602 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1603 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1604 old_CFLAGS="$CFLAGS"
1605 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1608 [#include "]${have_libpython}[/Python.h"],
1611 err = PyRun_SimpleString ("import itertools\n");
1613 return err == 0 ? 0 : 1;]),
1614 [dynamic_list=true], [], [true])
1615 CFLAGS="$old_CFLAGS"
1617 LDFLAGS="$old_LDFLAGS"
1619 if $dynamic_list; then
1620 found="-Wl,--dynamic-list"
1621 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1624 RDYNAMIC="-rdynamic"
1627 AC_MSG_RESULT($found)
1629 dnl For certain native configurations, we need to check whether thread
1630 dnl support can be built in or not.
1632 dnl Note that we only want this if we are both native (host == target),
1633 dnl and not doing a canadian cross build (build == host).
1635 if test ${build} = ${host} -a ${host} = ${target} ; then
1638 # See if thread_db library is around for Solaris thread debugging.
1639 # Note that we must explicitly test for version 1 of the library
1640 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1642 AC_MSG_CHECKING(for Solaris thread debugging library)
1643 if test -f /usr/lib/libthread_db.so.1 ; then
1645 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1646 [Define if using Solaris thread debugging.])
1647 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1648 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1649 AC_CHECK_LIB(dl, dlopen)
1650 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1651 # Sun randomly tweaked the prototypes in <proc_service.h>
1653 AC_MSG_CHECKING(if <proc_service.h> is old)
1654 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1656 #include <proc_service.h>
1658 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1659 ],, gdb_cv_proc_service_is_old=no,
1660 gdb_cv_proc_service_is_old=yes)
1662 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1663 if test $gdb_cv_proc_service_is_old = yes; then
1664 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1665 [Define if <proc_service.h> on solaris uses int instead of
1666 size_t, and assorted other type changes.])
1673 AC_MSG_CHECKING(for AiX thread debugging library)
1674 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1675 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1676 [#ifndef PTHDB_VERSION_3
1679 gdb_cv_have_aix_thread_debug=yes,
1680 gdb_cv_have_aix_thread_debug=no)])
1681 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1682 if test $gdb_cv_have_aix_thread_debug = yes; then
1683 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1684 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1685 LIBS="$LIBS -lpthdebug"
1687 # Older versions of AIX do not provide the declaration for
1688 # the getthrds function (it appears that it was introduced
1690 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1694 AC_SUBST(CONFIG_LDFLAGS)
1697 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1698 dnl other error codes.
1699 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1700 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1701 gdb_cv_thread_db_h_has_td_notalloc,
1703 [#include <thread_db.h>],
1704 [int i = TD_NOTALLOC;],
1705 gdb_cv_thread_db_h_has_td_notalloc=yes,
1706 gdb_cv_thread_db_h_has_td_notalloc=no
1709 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1710 gdb_cv_thread_db_h_has_td_version,
1712 [#include <thread_db.h>],
1713 [int i = TD_VERSION;],
1714 gdb_cv_thread_db_h_has_td_version=yes,
1715 gdb_cv_thread_db_h_has_td_version=no
1718 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1719 gdb_cv_thread_db_h_has_td_notls,
1721 [#include <thread_db.h>],
1722 [int i = TD_NOTLS;],
1723 gdb_cv_thread_db_h_has_td_notls=yes,
1724 gdb_cv_thread_db_h_has_td_notls=no
1728 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1729 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1730 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1732 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1733 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1734 [Define if <thread_db.h> has the TD_VERSION error code.])
1736 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1737 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1738 [Define if <thread_db.h> has the TD_NOTLS error code.])
1741 dnl See if we have a sys/syscall header file that has __NR_tkill.
1742 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1743 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1744 gdb_cv_sys_syscall_h_has_tkill,
1746 [#include <sys/syscall.h>],
1747 [int i = __NR_tkill;],
1748 gdb_cv_sys_syscall_h_has_tkill=yes,
1749 gdb_cv_sys_syscall_h_has_tkill=no
1753 dnl See if we can issue tkill syscall.
1754 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1755 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1758 dnl Check if we can disable the virtual address space randomization.
1759 dnl The functionality of setarch -R.
1760 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1761 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1762 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1763 # define ADDR_NO_RANDOMIZE 0x0040000
1765 /* Test the flag could be set and stays set. */
1766 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1767 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1769 AC_RUN_IFELSE([PERSONALITY_TEST],
1770 [have_personality=true],
1771 [have_personality=false],
1772 [AC_LINK_IFELSE([PERSONALITY_TEST],
1773 [have_personality=true],
1774 [have_personality=false])])
1775 if $have_personality
1777 AC_DEFINE([HAVE_PERSONALITY], 1,
1778 [Define if you support the personality syscall.])
1781 dnl Handle optional features that can be enabled.
1783 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1784 # except that the argument to --with-sysroot is optional.
1785 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1786 if test "x$with_sysroot" = xyes; then
1787 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1789 AC_ARG_WITH(sysroot,
1790 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1791 [search for usr/lib et al within DIR]),
1792 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1793 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1794 [search for usr/lib et al within DIR])
1795 AC_SUBST(TARGET_SYSTEM_ROOT)
1796 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1798 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1799 [automatically load a system-wide gdbinit file],
1802 AC_ARG_ENABLE(werror,
1803 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1804 [case "${enableval}" in
1805 yes | y) ERROR_ON_WARNING="yes" ;;
1806 no | n) ERROR_ON_WARNING="no" ;;
1807 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1810 # Enable -Werror by default when using gcc
1811 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1812 ERROR_ON_WARNING=yes
1816 if test "${ERROR_ON_WARNING}" = yes ; then
1817 WERROR_CFLAGS="-Werror"
1820 # The entries after -Wno-pointer-sign are disabled warnings which may
1821 # be enabled in the future, which can not currently be used to build
1823 # NOTE: If you change this list, remember to update
1824 # gdb/doc/gdbint.texinfo.
1825 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1826 -Wformat-nonliteral -Wno-pointer-sign \
1827 -Wno-unused -Wunused-value -Wunused-function \
1828 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes"
1830 # Enable -Wno-format by default when using gcc on mingw since many
1831 # GCC versions complain about %I64.
1833 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1836 AC_ARG_ENABLE(build-warnings,
1837 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1838 [case "${enableval}" in
1840 no) build_warnings="-w";;
1841 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1842 build_warnings="${build_warnings} ${t}";;
1843 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1844 build_warnings="${t} ${build_warnings}";;
1845 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1847 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1848 echo "Setting compiler warning flags = $build_warnings" 6>&1
1850 AC_ARG_ENABLE(gdb-build-warnings,
1851 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1852 [case "${enableval}" in
1854 no) build_warnings="-w";;
1855 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1856 build_warnings="${build_warnings} ${t}";;
1857 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1858 build_warnings="${t} ${build_warnings}";;
1859 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1861 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1862 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1865 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1867 AC_MSG_CHECKING(compiler warning flags)
1868 # Separate out the -Werror flag as some files just cannot be
1869 # compiled with it enabled.
1870 for w in ${build_warnings}; do
1872 -Werr*) WERROR_CFLAGS=-Werror ;;
1873 *) # Check that GCC accepts it
1874 saved_CFLAGS="$CFLAGS"
1876 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1877 CFLAGS="$saved_CFLAGS"
1880 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1882 AC_SUBST(WARN_CFLAGS)
1883 AC_SUBST(WERROR_CFLAGS)
1885 # In the Cygwin environment, we need some additional flags.
1886 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1887 [AC_EGREP_CPP(lose, [
1888 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1890 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1893 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1894 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1896 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1897 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1898 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1900 AC_SUBST(SER_HARDWIRE)
1902 # libreadline needs libuser32.a in a cygwin environment
1904 if test x$gdb_cv_os_cygwin = xyes; then
1905 WIN32LIBS="-luser32"
1907 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1912 # The ser-tcp.c module requires sockets.
1915 AC_DEFINE(USE_WIN32API, 1,
1916 [Define if we should use the Windows API, instead of the
1917 POSIX API. On Windows, we use the Windows API when
1918 building for MinGW, but the POSIX API when building
1920 WIN32LIBS="$WIN32LIBS -lws2_32"
1925 # Add ELF support to GDB, but only if BFD includes ELF support.
1927 OLD_LDFLAGS=$LDFLAGS
1929 # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
1930 # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
1931 # always want our bfd.
1932 CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
1933 LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
1934 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1935 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1936 if test "$plugins" = "yes"; then
1939 LIBS="-lbfd -liberty $intl $LIBS"
1940 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1942 [#include <stdlib.h>
1944 #include "elf-bfd.h"
1946 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1947 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1948 if test $gdb_cv_var_elf = yes; then
1949 CONFIG_OBS="$CONFIG_OBS elfread.o"
1950 AC_DEFINE(HAVE_ELF, 1,
1951 [Define if ELF support should be included.])
1952 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1953 if test "$plugins" = "yes"; then
1954 OLD_LIBS="-ldl $OLD_LIBS"
1958 LDFLAGS=$OLD_LDFLAGS
1961 # Add any host-specific objects to GDB.
1962 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1964 LIBGUI="../libgui/src/libgui.a"
1965 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1967 AC_SUBST(GUI_CFLAGS_X)
1971 AC_SUBST(WIN32LDAPP)
1974 *-*-cygwin* | *-*-mingw* )
1983 if test "${enable_gdbtk}" = "yes"; then
1985 # Gdbtk must have an absolute path to srcdir in order to run
1986 # properly when not installed.
1994 # If $no_tk is nonempty, then we can't do Tk, and there is no
1995 # point to doing Tcl.
1998 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2001 # Check for in-tree tcl
2008 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2012 # Find Tcl private headers
2013 if test x"${intree}" = xno; then
2014 CY_AC_TCL_PRIVATE_HEADERS
2015 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2016 TCL_LIBRARY="${TCL_LIB_SPEC}"
2019 # If building tcl in the same src tree, private headers
2020 # are not needed, but we need to be sure to use the right
2022 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2023 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2024 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2026 AC_SUBST(TCL_INCLUDE)
2027 AC_SUBST(TCL_LIBRARY)
2032 # Check for in-tree Tk
2034 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2038 # Find Tk private headers
2039 if test x"${intree}" = xno; then
2040 CY_AC_TK_PRIVATE_HEADERS
2041 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2042 TK_LIBRARY=${TK_LIB_SPEC}
2045 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2046 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2047 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2049 AC_SUBST(TK_INCLUDE)
2050 AC_SUBST(TK_LIBRARY)
2052 AC_SUBST(TK_XINCLUDES)
2054 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2056 # Include some libraries that Tcl and Tk want.
2057 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2058 # Yes, the ordering seems wrong here. But it isn't.
2059 # TK_LIBS is the list of libraries that need to be linked
2060 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2061 # were in LIBS then any link tests after this point would
2062 # try to include things like `$(LIBGUI)', which wouldn't work.
2063 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2065 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2066 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2067 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2068 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2069 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2070 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2071 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2073 if test x$gdb_cv_os_cygwin = xyes; then
2074 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2075 WIN32LDAPP="-Wl,--subsystem,console"
2076 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2079 AC_CONFIG_SUBDIRS(gdbtk)
2087 AC_SUBST(GDBTK_CFLAGS)
2088 AC_SUBST(GDBTK_SRC_DIR)
2092 # Unlike the sim directory, whether a simulator is linked is controlled by
2093 # presence of a gdb_sim definition in the target configure.tgt entry.
2094 # This code just checks for a few cases where we'd like to ignore those
2095 # definitions, even when they're present in the '.mt' file. These cases
2096 # are when --disable-sim is specified, or if the simulator directory is
2097 # not part of the source tree.
2100 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2101 [echo "enable_sim = $enable_sim";
2102 echo "enableval = ${enableval}";
2103 case "${enableval}" in
2104 yes) ignore_sim=false ;;
2105 no) ignore_sim=true ;;
2106 *) ignore_sim=false ;;
2110 if test ! -d "${srcdir}/../sim"; then
2116 if test "${ignore_sim}" = "false"; then
2117 if test x"${gdb_sim}" != x ; then
2119 SIM_OBS="remote-sim.o"
2120 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2126 AC_SUBST(ENABLE_CFLAGS)
2127 AC_SUBST(PROFILE_CFLAGS)
2129 AC_SUBST(CONFIG_OBS)
2130 AC_SUBST(CONFIG_DEPS)
2131 AC_SUBST(CONFIG_SRCS)
2132 AC_SUBST(CONFIG_ALL)
2133 AC_SUBST(CONFIG_CLEAN)
2134 AC_SUBST(CONFIG_INSTALL)
2135 AC_SUBST(CONFIG_UNINSTALL)
2137 # List of host floatformats.
2138 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2139 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2140 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2142 # target_subdir is used by the testsuite to find the target libraries.
2144 if test "${host}" != "${target}"; then
2145 target_subdir="${target_alias}/"
2147 AC_SUBST(target_subdir)
2150 if test "${gdb_native}" = "yes"; then
2151 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2152 if test ! -f ${host_makefile_frag}; then
2153 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2155 frags="$frags $host_makefile_frag"
2157 host_makefile_frag=/dev/null
2160 AC_SUBST_FILE(host_makefile_frag)
2164 if test "${gdb_native}" = "yes"; then
2165 # We pick this up from the host configuration file (.mh) because we
2166 # do not have a native configuration Makefile fragment.
2167 nativefile=`sed -n '
2168 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2169 ' ${host_makefile_frag}`
2173 if test x"${gdb_osabi}" != x ; then
2174 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2175 [Define to the default OS ABI for this configuration.])
2178 # Enable multi-ice-gdb-server.
2179 AC_ARG_ENABLE(multi-ice,
2180 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2184 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2186 if test "x$enable_multi_ice" = xyes; then
2187 AC_CONFIG_SUBDIRS(multi-ice)
2190 AC_ARG_ENABLE(gdbserver,
2191 AS_HELP_STRING([--enable-gdbserver],
2192 [automatically build gdbserver (yes/no/auto, default is auto)]),
2193 [case "${enableval}" in
2195 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2196 esac],[enable_gdbserver=auto])
2198 # We only build gdbserver automatically in a native configuration, and
2199 # only if the user did not explicitly disable its build.
2200 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2201 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2202 if test "x$build_gdbserver" = xyes; then
2204 AC_CONFIG_SUBDIRS(gdbserver)
2205 gdbserver_build_enabled=yes
2211 # If the user explicitly request the gdbserver to be built, verify that
2212 # we were in fact able to enable it.
2213 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2214 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2217 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2218 # to an empty version.
2224 if test "${nativefile}" != ""; then
2225 case "${nativefile}" in
2226 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2227 * ) GDB_NM_FILE="${nativefile}"
2229 files="${files} ${GDB_NM_FILE}"
2230 links="${links} nm.h"
2231 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2233 AC_SUBST(GDB_NM_FILE)
2235 AC_LINK_FILES($files, $links)
2237 dnl Check for exe extension set on certain hosts (e.g. Win32)
2240 dnl Detect the character set used by this host.
2241 dnl At the moment, we just assume it's UTF-8.
2242 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2243 [Define to be a string naming the default host character set.])
2245 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile gnulib/import/Makefile data-directory/Makefile,
2247 case x$CONFIG_HEADERS in
2248 xconfig.h:config.in)