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="${withval}"
133 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
134 [Relocated directory for source files. ])
137 AC_CONFIG_SUBDIRS(testsuite)
139 # Check whether to support alternative target configurations
140 AC_ARG_ENABLE(targets,
141 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
142 [case "${enableval}" in
143 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
145 no) enable_targets= ;;
146 *) enable_targets=$enableval ;;
149 # Check whether to enable 64-bit support on 32-bit hosts
150 AC_ARG_ENABLE(64-bit-bfd,
151 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
152 [case "${enableval}" in
155 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
156 esac],[want64=false])dnl
158 # Provide defaults for some variables set by the per-host and per-target
160 gdb_host_obs=posix-hdep.o
162 if test "${target}" = "${host}"; then
168 . $srcdir/configure.host
170 # Accumulate some settings from configure.tgt over all enabled targets
175 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
177 if test "$targ_alias" = "all"; then
180 # Canonicalize the secondary target names.
181 result=`$ac_config_sub $targ_alias 2>/dev/null`
182 if test -n "$result"; then
188 . ${srcdir}/configure.tgt
190 AS_IF([test -z "${gdb_target_obs}"],
191 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
193 # Target-specific object files
194 for i in ${gdb_target_obs}; do
195 case " $TARGET_OBS " in
198 TARGET_OBS="$TARGET_OBS ${i}"
203 # Check whether this target needs 64-bit CORE_ADDR
204 if test x${want64} = xfalse; then
205 . ${srcdir}/../bfd/config.bfd
210 if test x${all_targets} = xtrue; then
212 # We want all 64-bit targets if we either:
213 # - run on a 64-bit host or
214 # - already require 64-bit support for some other target or
215 # - the --enable-64-bit-bfd option was supplied
216 # Otherwise we only support all 32-bit targets.
218 # NOTE: This test must be in sync with the corresponding
221 if test x${want64} = xfalse; then
222 AC_CHECK_SIZEOF(long)
223 if test "x${ac_cv_sizeof_long}" = "x8"; then
227 if test x${want64} = xtrue; then
228 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
230 TARGET_OBS='$(ALL_TARGET_OBS)'
236 # For other settings, only the main target counts.
240 targ=$target; . ${srcdir}/configure.tgt
242 # Fetch the default architecture and default target vector from BFD.
243 targ=$target; . $srcdir/../bfd/config.bfd
245 # We only want the first architecture, so strip off the others if
246 # there is more than one.
247 targ_archs=`echo $targ_archs | sed 's/ .*//'`
249 if test "x$targ_archs" != x; then
250 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
251 [Define to BFD's default architecture. ])
253 if test "x$targ_defvec" != x; then
254 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
255 [Define to BFD's default target vector. ])
258 # The CLI cannot be disabled yet, but may be in the future.
261 AC_ARG_ENABLE(gdbcli,
262 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
267 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
269 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
272 if test x"$enable_gdbcli" = xyes; then
273 if test -d $srcdir/cli; then
274 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
275 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
276 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
277 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
283 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
288 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
291 if test x"$enable_gdbmi" = xyes; then
292 if test -d $srcdir/mi; then
293 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
294 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
295 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
296 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
302 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
307 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
308 esac],enable_tui=auto)
312 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
317 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
319 [if test -d $srcdir/gdbtk; then
324 # We unconditionally disable gdbtk tests on selected platforms.
327 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
331 # Libunwind support for ia64.
333 AC_ARG_WITH(libunwind-ia64,
334 AS_HELP_STRING([--with-libunwind-ia64],
335 [use libunwind frame unwinding for ia64 targets]),,
336 [with_libunwind_ia64=auto])
338 # Backward compatibility option.
339 if test "${with_libunwind+set}" = set; then
340 if test x"$with_libunwind_ia64" != xauto; then
342 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
344 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
345 with_libunwind_ia64="$with_libunwind"
348 case "$with_libunwind_ia64" in
352 AC_CHECK_HEADERS(libunwind-ia64.h)
353 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
357 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
361 if test x"$with_libunwind_ia64" = xyes; then
362 AC_CHECK_HEADERS(libunwind-ia64.h)
363 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
364 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
366 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
367 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
368 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
372 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
375 if test "$opt_curses" = "yes"; then
380 AC_ARG_ENABLE(profiling,
381 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
386 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
388 [enable_profiling=no])
390 AC_CHECK_FUNCS(monstartup _mcleanup)
391 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
396 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
397 if test $ac_cv_var__etext = yes; then
398 AC_DEFINE(HAVE__ETEXT, 1,
399 [Define to 1 if your system has the _etext variable. ])
401 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
406 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
407 if test $ac_cv_var_etext = yes; then
408 AC_DEFINE(HAVE_ETEXT, 1,
409 [Define to 1 if your system has the etext variable. ])
411 if test "$enable_profiling" = yes ; then
412 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
413 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
417 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
419 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
420 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
421 ac_cv_cc_supports_pg=no)])
423 if test $ac_cv_cc_supports_pg = no; then
424 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
430 ACX_PKGVERSION([GDB])
431 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
432 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
433 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
435 # --------------------- #
436 # Checks for programs. #
437 # --------------------- #
445 AC_CHECK_TOOL(AR, ar)
446 AC_CHECK_TOOL(DLLTOOL, dlltool)
447 AC_CHECK_TOOL(WINDRES, windres)
449 # Needed for GNU/Hurd.
450 AC_CHECK_TOOL(MIG, mig)
452 # ---------------------- #
453 # Checks for libraries. #
454 # ---------------------- #
456 # We might need to link with -lm; most simulators need it.
457 AC_CHECK_LIB(m, main)
459 # We need to link with -lw to get `wctype' on Solaris before Solaris
460 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
461 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
462 # is known to have this problem). Therefore we avoid libw if we can.
463 AC_CHECK_FUNC(wctype, [],
464 [AC_CHECK_LIB(w, wctype)])
466 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
467 AC_SEARCH_LIBS(gethostbyname, nsl)
469 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
470 AC_SEARCH_LIBS(socketpair, socket)
472 # Link in zlib if we can. This allows us to read compressed debug sections.
475 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
476 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
480 # GDB may fork/exec the iconv program to get the list of supported character
481 # sets. Allow the user to specify where to find it.
482 # There are several factors affecting the choice of option name:
483 # - There is already --with-libiconv-prefix but we can't use it, it specifies
484 # the build-time location of libiconv files.
485 # - The program we need to find is iconv, which comes with glibc. The user
486 # doesn't necessarily have libiconv installed. Therefore naming this
487 # --with-libiconv-foo feels wrong.
488 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
489 # defined to work on directories not files (though it really doesn't know
491 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
492 # with --with-libiconv-prefix.
493 # Putting these together is why the option name is --with-iconv-bin.
495 AC_ARG_WITH(iconv-bin,
496 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
497 [iconv_bin="${withval}"
498 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
499 [Path of directory of iconv program.])
500 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
503 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
504 # There is a very specific comment in /usr/include/curses.h explaining that
505 # termcap routines built into libcurses must not be used.
507 # The symptoms we observed so far is GDB unexpectedly changing
508 # the terminal settings when tgetent is called - this is particularly
509 # visible as the output is missing carriage returns, and so rapidly
510 # becomes very hard to read.
512 # The readline configure script has already decided that libtermcap
513 # was enough for its purposes, and so decided to build readline using
514 # libtermcap. Since the TUI mode requires curses, building GDB with
515 # TUI enabled results in both libraries to be used at the same time,
516 # which is not allowed. This basically means that GDB with TUI is
517 # broken on alpha-osf.
521 if test x"$enable_tui" = xyes; then
522 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
524 if test x"$enable_tui" = xauto; then
530 # For the TUI, we need enhanced curses functionality.
531 if test x"$enable_tui" != xno; then
536 if test x"$prefer_curses" = xyes; then
537 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
538 # curses library because the latter might not provide all the
539 # functionality we need. However, this leads to problems on systems
540 # where the linker searches /usr/local/lib, but the compiler doesn't
541 # search /usr/local/include, if ncurses is installed in /usr/local. A
542 # default installation of ncurses on alpha*-dec-osf* will lead to such
544 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
546 if test "$ac_cv_search_waddstr" != no; then
551 # Check whether we should enable the TUI, but only do so if we really
553 if test x"$enable_tui" != xno; then
554 if test -d $srcdir/tui; then
555 if test "$curses_found" != no; then
556 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
557 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
558 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
559 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
561 if test x"$enable_tui" = xyes; then
562 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
564 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
570 # Since GDB uses Readline, we need termcap functionality. In many
571 # cases this will be provided by the curses library, but some systems
572 # have a seperate termcap library, or no curses library at all.
576 if test -d $srcdir/libtermcap; then
577 LIBS="../libtermcap/libtermcap.a $LIBS"
578 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
581 ac_cv_search_tgetent="none required"
584 ac_cv_search_tgetent="none required"
585 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
589 # These are the libraries checked by Readline.
590 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
592 if test "$ac_cv_search_tgetent" = no; then
593 AC_MSG_ERROR([no termcap library found])
596 AC_ARG_WITH([system-readline],
597 [AS_HELP_STRING([--with-system-readline],
598 [use installed readline library])])
600 if test "$with_system_readline" = yes; then
604 READLINE_TEXI_INCFLAG=
606 READLINE='$(READLINE_DIR)/libreadline.a'
607 READLINE_DEPS='$(READLINE)'
608 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
609 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
612 AC_SUBST(READLINE_DEPS)
613 AC_SUBST(READLINE_CFLAGS)
614 AC_SUBST(READLINE_TEXI_INCFLAG)
616 # Generate jit-reader.h
618 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
621 AC_CHECK_SIZEOF(unsigned long long)
622 AC_CHECK_SIZEOF(unsigned long)
623 AC_CHECK_SIZEOF(unsigned __int128)
625 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
626 TARGET_PTR="unsigned long"
627 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
628 TARGET_PTR="unsigned long long"
629 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
630 TARGET_PTR="unsigned __int128"
632 TARGET_PTR="unsigned long"
636 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
638 AC_SEARCH_LIBS(dlopen, dl)
640 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
641 [directory to load the JIT readers from],
645 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
646 [], [with_expat=auto])
647 AC_MSG_CHECKING([whether to use expat])
648 AC_MSG_RESULT([$with_expat])
650 if test "${with_expat}" = no; then
651 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
654 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
655 [XML_Parser p = XML_ParserCreate (0);])
656 if test "$HAVE_LIBEXPAT" != yes; then
657 if test "$with_expat" = yes; then
658 AC_MSG_ERROR([expat is missing or unusable])
660 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
664 LIBS="$LIBS $LIBEXPAT"
665 AC_CHECK_FUNCS(XML_StopParser)
670 dnl Utility to simplify finding libpython.
672 dnl $2 = the shell variable to assign the result to
673 dnl If libpython is found we store $version here.
674 dnl $3 = additional flags to add to CPPFLAGS
675 dnl $4 = additional flags to add to LIBS
677 AC_DEFUN([AC_TRY_LIBPYTHON],
680 define([have_libpython_var],$2)
683 AC_MSG_CHECKING([for ${version}])
684 save_CPPFLAGS=$CPPFLAGS
686 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
687 LIBS="$LIBS $new_LIBS"
688 found_usable_python=no
689 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
690 [[Py_Initialize ();]]),
691 [have_libpython_var=${version}
692 found_usable_python=yes
693 PYTHON_CPPFLAGS=$new_CPPFLAGS
694 PYTHON_LIBS=$new_LIBS])
695 CPPFLAGS=$save_CPPFLAGS
697 AC_MSG_RESULT([${found_usable_python}])
700 dnl There are several different values for --with-python:
702 dnl no - Don't include python support.
703 dnl yes - Include python support, error if it's missing.
704 dnl If we find python in $PATH, use it to fetch configure options,
705 dnl otherwise assume the compiler can find it with no help from us.
706 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
707 dnl auto - Same as "yes", but if python is missing from the system,
708 dnl fall back to "no".
709 dnl /path/to/python/exec-prefix -
710 dnl Use the python located in this directory.
711 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
712 dnl the compilation parameters. Otherwise use
713 dnl -I/path/to/python/exec-prefix/include,
714 dnl -L/path/to/python/exec-prefix/lib.
715 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
716 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
717 dnl but is deprecated.
718 dnl /path/to/python/executable -
719 dnl Run python-config.py with this version of python to fetch the
720 dnl compilation parameters.
721 dnl NOTE: This needn't be the real python executable.
722 dnl In a cross-compilation scenario (build != host), this could be
723 dnl a shell script that provides what python-config.py provides for
724 dnl --ldflags, --includes, --exec-prefix.
725 dnl python-executable -
726 dnl Find python-executable in $PATH, and then handle the same as
727 dnl /path/to/python/executable.
729 dnl If a python program is specified, it is used to run python-config.py and
730 dnl is passed --ldflags, --includes, --exec-prefix.
733 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
734 [], [with_python=auto])
735 AC_MSG_CHECKING([whether to use python])
736 AC_MSG_RESULT([$with_python])
738 if test "${with_python}" = no; then
739 AC_MSG_WARN([python support disabled; some features may be unavailable.])
742 case "${with_python}" in
743 [[\\/]]* | ?:[[\\/]]*)
744 if test -d ${with_python}; then
745 # Assume the python binary is ${with_python}/bin/python.
746 python_prog="${with_python}/bin/python"
748 # If python does not exit ${with_python}/bin, then try in
749 # ${with_python}. On Windows/MinGW, this is where the Python
751 if test ! -x "${python_prog}"; then
752 python_prog="${with_python}/python"
755 if test ! -x "${python_prog}"; then
756 # Fall back to gdb 7.0/7.1 behaviour.
758 python_prefix=${with_python}
760 elif test -x "${with_python}"; then
761 # While we can't run python compiled for $host (unless host == build),
762 # the user could write a script that provides the needed information,
763 # so we support that.
764 python_prog=${with_python}
767 AC_ERROR(invalid value for --with-python)
771 # Disallow --with-python=foo/bar.
772 AC_ERROR(invalid value for --with-python)
775 # The user has either specified auto, yes, or the name of the python
776 # program assumed to be in $PATH.
778 case "${with_python}" in
780 if test ${build} = ${host}; then
781 AC_PATH_PROG(python_prog_path, python, missing)
782 if test "${python_prog_path}" = missing; then
785 python_prog=${python_prog_path}
788 # Not much we can do except assume the cross-compiler will find the
794 # While we can't run python compiled for $host (unless host == build),
795 # the user could write a script that provides the needed information,
796 # so we support that.
797 python_prog="${with_python}"
798 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
799 if test "${python_prog_path}" = missing; then
800 AC_ERROR(unable to find python program ${python_prog})
806 if test "${python_prog}" != missing; then
807 # We have a python program to use, but it may be too old.
808 # Don't flag an error for --with-python=auto (the default).
809 have_python_config=yes
810 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
811 if test $? != 0; then
812 have_python_config=failed
813 if test "${with_python}" != auto; then
814 AC_ERROR(failure running python-config --includes)
817 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
818 if test $? != 0; then
819 have_python_config=failed
820 if test "${with_python}" != auto; then
821 AC_ERROR(failure running python-config --ldflags)
824 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
825 if test $? != 0; then
826 have_python_config=failed
827 if test "${with_python}" != auto; then
828 AC_ERROR(failure running python-config --exec-prefix)
832 # We do not have a python executable we can use to determine where
833 # to find the Python headers and libs. We cannot guess the include
834 # path from the python_prefix either, because that include path
835 # depends on the Python version. So, there is nothing much we can
836 # do except assume that the compiler will be able to find those files.
839 have_python_config=no
842 # If we have python-config, only try the configuration it provides.
843 # Otherwise fallback on the old way of trying different versions of
847 if test "${have_python_config}" = yes; then
848 # Determine the Python version by extracting "-lpython<version>"
849 # part of the python_libs. <version> is usually X.Y with X and Y
850 # being decimal numbers, but can also be XY (seen on Windows).
852 # The extraction is performed using sed with a regular expression.
853 # Initially, the regexp used was using the '?' quantifier to make
854 # the dot in the version number optional. Unfortunately, this
855 # does not work with non-GNU versions of sed because, because of
856 # what looks like a limitation (the '?' quantifier does not work
857 # with back-references). We work around this limitation by using
858 # the '*' quantifier instead. It means that, in theory, we might
859 # match unexpected version strings such as "-lpython2..7", but
860 # this seems unlikely in practice. And even if that happens,
861 # an error will be triggered later on, when checking that version
863 python_version=`echo " ${python_libs} " \
864 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
865 case "${python_version}" in
867 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
868 ${python_includes}, ${python_libs})
871 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
874 elif test "${have_python_config}" != failed; then
875 if test "${have_libpython}" = no; then
876 AC_TRY_LIBPYTHON(python2.7, have_libpython,
877 ${python_includes}, "${python_libs} -lpython2.7")
879 if test "${have_libpython}" = no; then
880 AC_TRY_LIBPYTHON(python2.6, have_libpython,
881 ${python_includes}, "${python_libs} -lpython2.6")
883 if test ${have_libpython} = no; then
884 AC_TRY_LIBPYTHON(python2.5, have_libpython,
885 ${python_includes}, "${python_libs} -lpython2.5")
887 if test ${have_libpython} = no; then
888 AC_TRY_LIBPYTHON(python2.4, have_libpython,
889 ${python_includes}, "${python_libs} -lpython2.4")
892 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
893 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
894 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
895 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
896 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
897 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
898 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
899 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
902 if test "${have_libpython}" = no; then
903 case "${with_python}" in
905 AC_MSG_ERROR([python is missing or unusable])
908 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
911 AC_MSG_ERROR([no usable python found at ${with_python}])
915 if test -n "${python_prefix}"; then
916 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
917 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
918 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
923 if test "${have_libpython}" != no; then
924 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
925 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
926 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
927 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
928 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
929 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
931 # Flags needed to compile Python code (taken from python-config --cflags).
932 # We cannot call python-config directly because it will output whatever was
933 # used when compiling the Python interpreter itself, including flags which
934 # would make the python-related objects be compiled differently from the
935 # rest of GDB (e.g., -O2 and -fPIC).
936 if test "${GCC}" = yes; then
937 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
940 if test "x${tentative_python_cflags}" != x; then
941 AC_MSG_CHECKING(compiler flags for python code)
942 for flag in ${tentative_python_cflags}; do
943 # Check that the compiler accepts it
944 saved_CFLAGS="$CFLAGS"
945 CFLAGS="$CFLAGS $flag"
946 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
947 CFLAGS="$saved_CFLAGS"
949 AC_MSG_RESULT(${PYTHON_CFLAGS})
952 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
954 # #define siginfo __siginfo
956 # The problem is that including Python causes some XOPEN macros to be
957 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
958 # to false. So, we work around this issue by defining siginfo ourself
959 # though the command-line.
961 irix*) if test "${GCC}" = yes; then
962 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
967 # Even if Python support is not compiled in, we need to have these files
969 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
970 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
971 python/py-prettyprint.c python/py-auto-load.c"
973 AC_SUBST(PYTHON_CFLAGS)
974 AC_SUBST(PYTHON_CPPFLAGS)
975 AC_SUBST(PYTHON_LIBS)
977 # ------------------------- #
978 # Checks for header files. #
979 # ------------------------- #
984 # elf_hp.h is for HP/UX 64-bit shared library support.
985 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
986 # unconditionally, so what's the point in checking these?
987 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
988 thread_db.h gnu/libc-version.h signal.h stddef.h \
989 stdlib.h string.h memory.h strings.h sys/fault.h \
990 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
991 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
992 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
993 sys/types.h sys/wait.h wait.h termios.h termio.h \
994 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
995 dlfcn.h sys/socket.h sys/un.h])
996 AC_CHECK_HEADERS(link.h, [], [],
997 [#if HAVE_SYS_TYPES_H
998 # include <sys/types.h>
1004 AC_CHECK_HEADERS(sys/proc.h, [], [],
1005 [#if HAVE_SYS_PARAM_H
1006 # include <sys/param.h>
1009 AC_CHECK_HEADERS(sys/user.h, [], [],
1010 [#if HAVE_SYS_PARAM_H
1011 # include <sys/param.h>
1015 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1016 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1017 # think that we don't have <curses.h> if we're using GCC.
1020 if test "$GCC" = yes; then
1021 AC_DEFINE(_MSE_INT_H, 1,
1022 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1023 Solaris 2.[789] when using GCC. ])
1026 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1027 AC_CHECK_HEADERS(term.h, [], [],
1029 # include <curses.h>
1033 # ------------------------- #
1034 # Checks for declarations. #
1035 # ------------------------- #
1037 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1038 snprintf, vsnprintf])
1041 # ----------------------- #
1042 # Checks for structures. #
1043 # ----------------------- #
1045 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1047 # ------------------ #
1048 # Checks for types. #
1049 # ------------------ #
1052 AC_CHECK_TYPES(socklen_t, [], [],
1053 [#include <sys/types.h>
1054 #include <sys/socket.h>
1057 # ------------------------------------- #
1058 # Checks for compiler characteristics. #
1059 # ------------------------------------- #
1065 # ------------------------------ #
1066 # Checks for library functions. #
1067 # ------------------------------ #
1072 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1073 pipe poll pread pread64 pwrite readlink resize_term \
1074 sbrk setpgid setpgrp setsid \
1075 sigaction sigprocmask sigsetmask socketpair syscall \
1076 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1077 setrlimit getrlimit posix_madvise waitpid lstat])
1080 # Check the return and argument types of ptrace. No canned test for
1081 # this, so roll our own.
1082 gdb_ptrace_headers='
1083 #if HAVE_SYS_TYPES_H
1084 # include <sys/types.h>
1086 #if HAVE_SYS_PTRACE_H
1087 # include <sys/ptrace.h>
1090 # include <unistd.h>
1093 # There is no point in checking if we don't have a prototype.
1094 AC_CHECK_DECLS(ptrace, [], [
1095 : ${gdb_cv_func_ptrace_ret='int'}
1096 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1097 ], $gdb_ptrace_headers)
1098 # Check return type. Varargs (used on GNU/Linux) conflict with the
1099 # empty argument list, so check for that explicitly.
1100 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1101 AC_TRY_COMPILE($gdb_ptrace_headers,
1102 [extern long ptrace (enum __ptrace_request, ...);],
1103 gdb_cv_func_ptrace_ret='long',
1104 AC_TRY_COMPILE($gdb_ptrace_headers,
1105 [extern int ptrace ();],
1106 gdb_cv_func_ptrace_ret='int',
1107 gdb_cv_func_ptrace_ret='long')))
1108 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1109 [Define as the return type of ptrace.])
1110 # Check argument types.
1111 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1112 AC_TRY_COMPILE($gdb_ptrace_headers,
1113 [extern long ptrace (enum __ptrace_request, ...);],
1114 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1115 for gdb_arg1 in 'int' 'long'; do
1116 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1117 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1118 for gdb_arg4 in 'int' 'long'; do
1119 AC_TRY_COMPILE($gdb_ptrace_headers, [
1120 extern $gdb_cv_func_ptrace_ret
1121 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1122 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1124 for gdb_arg5 in 'int *' 'int' 'long'; do
1125 AC_TRY_COMPILE($gdb_ptrace_headers, [
1126 extern $gdb_cv_func_ptrace_ret
1127 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1129 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1136 # Provide a safe default value.
1137 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1139 ac_save_IFS=$IFS; IFS=','
1140 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1143 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1144 [Define to the type of arg 3 for ptrace.])
1145 if test -n "$[5]"; then
1146 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1147 [Define to the type of arg 5 for ptrace.])
1150 dnl AC_FUNC_SETPGRP does not work when cross compiling
1151 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1152 if test "$cross_compiling" = no; then
1155 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1159 if (setpgrp(1,1) == -1)
1163 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1164 if test $ac_cv_func_setpgrp_void = yes; then
1165 AC_DEFINE(SETPGRP_VOID, 1)
1169 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1170 # since sigsetjmp might only be defined as a macro.
1171 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1174 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1175 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1176 if test $gdb_cv_func_sigsetjmp = yes; then
1177 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1180 # Assume we'll default to using the included libiberty regex.
1181 gdb_use_included_regex=yes
1183 # However, if the system regex is GNU regex, then default to *not*
1184 # using the included regex.
1187 [gdb_cv_have_gnu_regex],
1189 [#include <gnu-versions.h>],
1190 [#define REGEX_INTERFACE_VERSION 1
1191 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1192 # error "Version mismatch"
1194 gdb_cv_have_gnu_regex=yes,
1195 gdb_cv_have_gnu_regex=no)])
1196 if test $gdb_cv_have_gnu_regex = yes; then
1197 gdb_use_included_regex=no
1200 AC_ARG_WITH(included-regex,
1201 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1202 gdb_with_regex=$withval,
1203 gdb_with_regex=$gdb_use_included_regex)
1204 if test "$gdb_with_regex" = yes; then
1205 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1206 [Define to 1 if the regex included in libiberty should be used.])
1209 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1210 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1211 [#include <sys/param.h>
1212 #include <sys/proc.h>
1215 # See if <sys/lwp.h> defines `struct lwp`.
1216 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1217 [AC_TRY_COMPILE([#include <sys/param.h>
1218 #include <sys/lwp.h>], [struct lwp l;],
1219 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1220 if test $gdb_cv_struct_lwp = yes; then
1221 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1222 [Define to 1 if your system has struct lwp.])
1225 # See if <machine/reg.h> degines `struct reg'.
1226 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1227 [AC_TRY_COMPILE([#include <sys/types.h>
1228 #include <machine/reg.h>], [struct reg r;],
1229 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1230 if test $gdb_cv_struct_reg = yes; then
1231 AC_DEFINE(HAVE_STRUCT_REG, 1,
1232 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1235 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1236 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1237 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1238 [#include <machine/reg.h>])
1240 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1241 AC_MSG_CHECKING(for PTRACE_GETREGS)
1242 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1243 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1245 [gdb_cv_have_ptrace_getregs=yes],
1246 [gdb_cv_have_ptrace_getregs=no])])
1247 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1248 if test $gdb_cv_have_ptrace_getregs = yes; then
1249 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1250 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1253 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1254 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1255 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1256 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1257 [PTRACE_GETFPXREGS;],
1258 [gdb_cv_have_ptrace_getfpxregs=yes],
1259 [gdb_cv_have_ptrace_getfpxregs=no])])
1260 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1261 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1262 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1263 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1266 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1267 AC_MSG_CHECKING(for PT_GETDBREGS)
1268 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1269 [AC_TRY_COMPILE([#include <sys/types.h>
1270 #include <sys/ptrace.h>],
1272 [gdb_cv_have_pt_getdbregs=yes],
1273 [gdb_cv_have_pt_getdbregs=no])])
1274 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1275 if test $gdb_cv_have_pt_getdbregs = yes; then
1276 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1277 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1280 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1281 AC_MSG_CHECKING(for PT_GETXMMREGS)
1282 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1283 [AC_TRY_COMPILE([#include <sys/types.h>
1284 #include <sys/ptrace.h>],
1286 [gdb_cv_have_pt_getxmmregs=yes],
1287 [gdb_cv_have_pt_getxmmregs=no])])
1288 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1289 if test $gdb_cv_have_pt_getxmmregs = yes; then
1290 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1291 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1294 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1296 if test "${target}" = "${host}"; then
1298 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1299 AC_DEFINE(NEW_PROC_API, 1,
1300 [Define if you want to use new multi-fd /proc interface
1301 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1303 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1304 AC_DEFINE(NEW_PROC_API, 1,
1305 [Define if you want to use new multi-fd /proc interface
1306 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1309 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1310 AC_DEFINE([_KMEMUSER], 1,
1311 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1312 around a <sys/proc.h> problem on IRIX 5.])
1317 if test "$ac_cv_header_sys_procfs_h" = yes; then
1318 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1319 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1320 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1321 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1322 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1323 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1324 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1325 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1326 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1327 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1328 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1329 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1330 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1331 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1334 dnl Check for broken prfpregset_t type
1336 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1337 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1338 dnl instead of the struct itself). We detect this here, and work
1339 dnl around it in gdb_proc_service.h.
1341 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1342 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1343 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1344 [AC_TRY_RUN([#include <sys/procfs.h>
1347 if (sizeof (prfpregset_t) == sizeof (void *))
1351 gdb_cv_prfpregset_t_broken=no,
1352 gdb_cv_prfpregset_t_broken=yes,
1353 gdb_cv_prfpregset_t_broken=yes)])
1354 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1355 if test $gdb_cv_prfpregset_t_broken = yes; then
1356 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1357 [Define if the prfpregset_t type is broken.])
1361 dnl Check for PIOCSET ioctl entry
1363 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1364 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1365 [AC_TRY_COMPILE([#include <unistd.h>
1366 #include <sys/types.h>
1367 #include <sys/procfs.h>
1370 dummy = ioctl(0, PIOCSET, &dummy);
1372 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1373 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1374 if test $gdb_cv_have_procfs_piocset = yes; then
1375 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1376 [Define if ioctl argument PIOCSET is available.])
1380 dnl For native ports (host == target), check to see what kind of
1381 dnl legacy link.h support is needed. (See solib-legacy.c.)
1382 if test ${host} = ${target} ; then
1383 dnl Check for struct link_map with l_ members which are indicative
1384 dnl of SVR4-like shared libraries
1386 AC_MSG_CHECKING(for member l_addr in struct link_map)
1387 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1388 [AC_TRY_COMPILE([#include <link.h>],
1389 [struct link_map lm; (void) lm.l_addr;],
1390 gdb_cv_have_struct_link_map_with_l_members=yes,
1391 gdb_cv_have_struct_link_map_with_l_members=no)])
1392 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1393 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1394 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1395 [Define if <link.h> exists and defines struct link_map which has
1396 members with an ``l_'' prefix. (For Solaris, SVR4, and
1397 SVR4-like systems.)])
1400 dnl Check for struct link_map with lm_ members which are indicative
1401 dnl of SunOS-like shared libraries
1403 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1404 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1405 [AC_TRY_COMPILE([#include <sys/types.h>
1407 [struct link_map lm; (void) lm.lm_addr;],
1408 gdb_cv_have_struct_link_map_with_lm_members=yes,
1409 gdb_cv_have_struct_link_map_with_lm_members=no)])
1410 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1411 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1412 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1413 [Define if <link.h> exists and defines struct link_map which has
1414 members with an ``lm_'' prefix. (For SunOS.)])
1417 dnl Check for struct so_map with som_ members which are found on
1418 dnl some *BSD systems.
1420 AC_MSG_CHECKING(for member som_addr in struct so_map)
1421 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1422 [AC_TRY_COMPILE([#include <sys/types.h>
1427 [struct so_map lm; (void) lm.som_addr;],
1428 gdb_cv_have_struct_so_map_with_som_members=yes,
1429 gdb_cv_have_struct_so_map_with_som_members=no)])
1430 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1431 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1432 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1433 [Define if <link.h> exists and defines a struct so_map which has
1434 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1437 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1438 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1440 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1441 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1442 [AC_TRY_COMPILE([#define _SYSCALL32
1443 #include <sys/link.h>], [struct link_map32 l;],
1444 gdb_cv_have_struct_link_map32=yes,
1445 gdb_cv_have_struct_link_map32=no)])
1446 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1447 if test $gdb_cv_have_struct_link_map32 = yes; then
1448 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1449 [Define if <sys/link.h> has struct link_map32])
1450 AC_DEFINE(_SYSCALL32, 1,
1451 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1455 # Check if the compiler supports the `long long' type.
1457 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1458 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1459 [[extern long long foo;]],
1460 [[switch (foo & 2) { case 0: return 1; }]])],
1461 gdb_cv_c_long_long=yes,
1462 gdb_cv_c_long_long=no)])
1463 if test $gdb_cv_c_long_long = yes; then
1464 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1465 [Define to 1 if the compiler supports long long.])
1468 # Check if the compiler and runtime support printing long longs.
1470 AC_CACHE_CHECK([for long long support in printf],
1471 gdb_cv_printf_has_long_long,
1472 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1475 l = (l << 16) + 0x0123;
1476 l = (l << 16) + 0x4567;
1477 l = (l << 16) + 0x89ab;
1478 l = (l << 16) + 0xcdef;
1479 sprintf (buf, "0x%016llx", l);
1480 return (strcmp ("0x0123456789abcdef", buf));]])],
1481 gdb_cv_printf_has_long_long=yes,
1482 gdb_cv_printf_has_long_long=no,
1483 gdb_cv_printf_has_long_long=no)])
1484 if test $gdb_cv_printf_has_long_long = yes; then
1485 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1486 [Define to 1 if the "%ll" format works to print long longs.])
1489 # Check if the compiler and runtime support printing decfloats.
1491 AC_CACHE_CHECK([for decfloat support in printf],
1492 gdb_cv_printf_has_decfloat,
1493 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1495 _Decimal32 d32 = 1.2345df;
1496 _Decimal64 d64 = 1.2345dd;
1497 _Decimal128 d128 = 1.2345dl;
1498 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1499 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1500 gdb_cv_printf_has_decfloat=yes,
1501 gdb_cv_printf_has_decfloat=no,
1502 gdb_cv_printf_has_decfloat=no)])
1503 if test $gdb_cv_printf_has_decfloat = yes; then
1504 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1505 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1508 # Check if the compiler supports the `long double' type. We can't use
1509 # AC_C_LONG_DOUBLE because that one does additional checks on the
1510 # constants defined in <float.h> that fail on some systems,
1511 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1513 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1514 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1515 gdb_cv_c_long_double=yes,
1516 gdb_cv_c_long_double=no)])
1517 if test $gdb_cv_c_long_double = yes; then
1518 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1519 [Define to 1 if the compiler supports long double.])
1522 # Check if the compiler and runtime support printing long doubles.
1524 AC_CACHE_CHECK([for long double support in printf],
1525 gdb_cv_printf_has_long_double,
1526 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1528 long double f = 3.141592653;
1529 sprintf (buf, "%Lg", f);
1530 return (strncmp ("3.14159", buf, 7));]])],
1531 gdb_cv_printf_has_long_double=yes,
1532 gdb_cv_printf_has_long_double=no,
1533 gdb_cv_printf_has_long_double=no)])
1534 if test $gdb_cv_printf_has_long_double = yes; then
1535 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1536 [Define to 1 if the "%Lg" format works to print long doubles.])
1539 # Check if the compiler and runtime support scanning long doubles.
1541 AC_CACHE_CHECK([for long double support in scanf],
1542 gdb_cv_scanf_has_long_double,
1543 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1544 [[#include <stdio.h>]],
1545 [[char *buf = "3.141592653";
1547 sscanf (buf, "%Lg", &f);
1548 return !(f > 3.14159 && f < 3.14160);]])],
1549 gdb_cv_scanf_has_long_double=yes,
1550 gdb_cv_scanf_has_long_double=no,
1551 gdb_cv_scanf_has_long_double=no)])
1552 if test $gdb_cv_scanf_has_long_double = yes; then
1553 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1554 [Define to 1 if the "%Lg" format works to scan long doubles.])
1559 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1560 SAVE_LDFLAGS=$LDFLAGS
1563 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1564 *) gdb_cv_bigtoc=-bbigtoc ;;
1567 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1568 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1569 LDFLAGS="${SAVE_LDFLAGS}"
1571 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1575 AC_MSG_CHECKING(for the dynamic export flag)
1577 if test "${gdb_native}" = yes; then
1578 # The dynamically loaded libthread_db needs access to symbols in the gdb
1579 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1580 # may not be supported there.
1581 old_LDFLAGS="$LDFLAGS"
1582 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1583 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1584 LDFLAGS="$LDFLAGS $RDYNAMIC"
1585 if test "${have_libpython}" = no; then
1586 AC_TRY_LINK([], [], [dynamic_list=true])
1588 # Workaround http://bugs.python.org/issue4434 where static
1589 # libpythonX.Y.a would get its symbols required for
1590 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1591 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1592 old_CFLAGS="$CFLAGS"
1593 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1596 [#include "]${have_libpython}[/Python.h"],
1599 err = PyRun_SimpleString ("import itertools\n");
1601 return err == 0 ? 0 : 1;]),
1602 [dynamic_list=true], [], [true])
1603 CFLAGS="$old_CFLAGS"
1605 LDFLAGS="$old_LDFLAGS"
1607 if $dynamic_list; then
1608 found="-Wl,--dynamic-list"
1609 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1612 RDYNAMIC="-rdynamic"
1615 AC_MSG_RESULT($found)
1617 dnl For certain native configurations, we need to check whether thread
1618 dnl support can be built in or not.
1620 dnl Note that we only want this if we are both native (host == target),
1621 dnl and not doing a canadian cross build (build == host).
1623 if test ${build} = ${host} -a ${host} = ${target} ; then
1626 # See if thread_db library is around for Solaris thread debugging.
1627 # Note that we must explicitly test for version 1 of the library
1628 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1630 AC_MSG_CHECKING(for Solaris thread debugging library)
1631 if test -f /usr/lib/libthread_db.so.1 ; then
1633 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1634 [Define if using Solaris thread debugging.])
1635 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1636 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1637 AC_CHECK_LIB(dl, dlopen)
1638 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1639 # Sun randomly tweaked the prototypes in <proc_service.h>
1641 AC_MSG_CHECKING(if <proc_service.h> is old)
1642 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1644 #include <proc_service.h>
1646 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1647 ],, gdb_cv_proc_service_is_old=no,
1648 gdb_cv_proc_service_is_old=yes)
1650 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1651 if test $gdb_cv_proc_service_is_old = yes; then
1652 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1653 [Define if <proc_service.h> on solaris uses int instead of
1654 size_t, and assorted other type changes.])
1661 AC_MSG_CHECKING(for AiX thread debugging library)
1662 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1663 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1664 [#ifndef PTHDB_VERSION_3
1667 gdb_cv_have_aix_thread_debug=yes,
1668 gdb_cv_have_aix_thread_debug=no)])
1669 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1670 if test $gdb_cv_have_aix_thread_debug = yes; then
1671 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1672 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1673 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1675 # Older versions of AIX do not provide the declaration for
1676 # the getthrds function (it appears that it was introduced
1678 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1682 AC_SUBST(CONFIG_LDFLAGS)
1685 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1686 dnl other error codes.
1687 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1688 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1689 gdb_cv_thread_db_h_has_td_notalloc,
1691 [#include <thread_db.h>],
1692 [int i = TD_NOTALLOC;],
1693 gdb_cv_thread_db_h_has_td_notalloc=yes,
1694 gdb_cv_thread_db_h_has_td_notalloc=no
1697 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1698 gdb_cv_thread_db_h_has_td_version,
1700 [#include <thread_db.h>],
1701 [int i = TD_VERSION;],
1702 gdb_cv_thread_db_h_has_td_version=yes,
1703 gdb_cv_thread_db_h_has_td_version=no
1706 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1707 gdb_cv_thread_db_h_has_td_notls,
1709 [#include <thread_db.h>],
1710 [int i = TD_NOTLS;],
1711 gdb_cv_thread_db_h_has_td_notls=yes,
1712 gdb_cv_thread_db_h_has_td_notls=no
1716 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1717 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1718 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1720 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1721 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1722 [Define if <thread_db.h> has the TD_VERSION error code.])
1724 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1725 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1726 [Define if <thread_db.h> has the TD_NOTLS error code.])
1729 dnl See if we have a sys/syscall header file that has __NR_tkill.
1730 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1731 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1732 gdb_cv_sys_syscall_h_has_tkill,
1734 [#include <sys/syscall.h>],
1735 [int i = __NR_tkill;],
1736 gdb_cv_sys_syscall_h_has_tkill=yes,
1737 gdb_cv_sys_syscall_h_has_tkill=no
1741 dnl See if we can issue tkill syscall.
1742 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1743 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1746 dnl Check if we can disable the virtual address space randomization.
1747 dnl The functionality of setarch -R.
1748 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1749 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1750 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1751 # define ADDR_NO_RANDOMIZE 0x0040000
1753 /* Test the flag could be set and stays set. */
1754 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1755 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1757 AC_RUN_IFELSE([PERSONALITY_TEST],
1758 [have_personality=true],
1759 [have_personality=false],
1760 [AC_LINK_IFELSE([PERSONALITY_TEST],
1761 [have_personality=true],
1762 [have_personality=false])])
1763 if $have_personality
1765 AC_DEFINE([HAVE_PERSONALITY], 1,
1766 [Define if you support the personality syscall.])
1769 dnl Handle optional features that can be enabled.
1771 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1772 # except that the argument to --with-sysroot is optional.
1773 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1774 if test "x$with_sysroot" = xyes; then
1775 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1777 AC_ARG_WITH(sysroot,
1778 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1779 [search for usr/lib et al within DIR]),
1780 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1781 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1782 [search for usr/lib et al within DIR])
1783 AC_SUBST(TARGET_SYSTEM_ROOT)
1784 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1786 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1787 [automatically load a system-wide gdbinit file],
1790 AC_ARG_ENABLE(werror,
1791 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1792 [case "${enableval}" in
1793 yes | y) ERROR_ON_WARNING="yes" ;;
1794 no | n) ERROR_ON_WARNING="no" ;;
1795 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1798 # Enable -Werror by default when using gcc
1799 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1800 ERROR_ON_WARNING=yes
1804 if test "${ERROR_ON_WARNING}" = yes ; then
1805 WERROR_CFLAGS="-Werror"
1808 # The entries after -Wno-pointer-sign are disabled warnings which may
1809 # be enabled in the future, which can not currently be used to build
1811 # NOTE: If you change this list, remember to update
1812 # gdb/doc/gdbint.texinfo.
1813 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1814 -Wformat-nonliteral -Wno-pointer-sign \
1815 -Wno-unused -Wunused-value -Wunused-function \
1816 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes"
1818 # Enable -Wno-format by default when using gcc on mingw since many
1819 # GCC versions complain about %I64.
1821 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1824 AC_ARG_ENABLE(build-warnings,
1825 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1826 [case "${enableval}" in
1828 no) build_warnings="-w";;
1829 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1830 build_warnings="${build_warnings} ${t}";;
1831 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1832 build_warnings="${t} ${build_warnings}";;
1833 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1835 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1836 echo "Setting compiler warning flags = $build_warnings" 6>&1
1838 AC_ARG_ENABLE(gdb-build-warnings,
1839 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1840 [case "${enableval}" in
1842 no) build_warnings="-w";;
1843 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1844 build_warnings="${build_warnings} ${t}";;
1845 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1846 build_warnings="${t} ${build_warnings}";;
1847 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1849 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1850 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1853 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1855 AC_MSG_CHECKING(compiler warning flags)
1856 # Separate out the -Werror flag as some files just cannot be
1857 # compiled with it enabled.
1858 for w in ${build_warnings}; do
1860 -Werr*) WERROR_CFLAGS=-Werror ;;
1861 *) # Check that GCC accepts it
1862 saved_CFLAGS="$CFLAGS"
1864 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1865 CFLAGS="$saved_CFLAGS"
1868 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1870 AC_SUBST(WARN_CFLAGS)
1871 AC_SUBST(WERROR_CFLAGS)
1873 # In the Cygwin environment, we need some additional flags.
1874 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1875 [AC_EGREP_CPP(lose, [
1876 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1878 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1881 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1882 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1884 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1885 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1886 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1888 AC_SUBST(SER_HARDWIRE)
1890 # libreadline needs libuser32.a in a cygwin environment
1892 if test x$gdb_cv_os_cygwin = xyes; then
1893 WIN32LIBS="-luser32"
1895 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1900 # The ser-tcp.c module requires sockets.
1903 AC_DEFINE(USE_WIN32API, 1,
1904 [Define if we should use the Windows API, instead of the
1905 POSIX API. On Windows, we use the Windows API when
1906 building for MinGW, but the POSIX API when building
1908 WIN32LIBS="$WIN32LIBS -lws2_32"
1913 # Add ELF support to GDB, but only if BFD includes ELF support.
1915 OLD_LDFLAGS=$LDFLAGS
1917 # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
1918 # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
1919 # always want our bfd.
1920 CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
1921 LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
1922 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1923 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1924 if test "$plugins" = "yes"; then
1927 LIBS="-lbfd -liberty $intl $LIBS"
1928 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1930 [#include <stdlib.h>
1932 #include "elf-bfd.h"
1934 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1935 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1936 if test $gdb_cv_var_elf = yes; then
1937 CONFIG_OBS="$CONFIG_OBS elfread.o"
1938 AC_DEFINE(HAVE_ELF, 1,
1939 [Define if ELF support should be included.])
1940 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1941 if test "$plugins" = "yes"; then
1942 OLD_LIBS="-ldl $OLD_LIBS"
1946 LDFLAGS=$OLD_LDFLAGS
1949 # Add any host-specific objects to GDB.
1950 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1952 LIBGUI="../libgui/src/libgui.a"
1953 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1955 AC_SUBST(GUI_CFLAGS_X)
1959 AC_SUBST(WIN32LDAPP)
1962 *-*-cygwin* | *-*-mingw* )
1971 if test "${enable_gdbtk}" = "yes"; then
1973 # Gdbtk must have an absolute path to srcdir in order to run
1974 # properly when not installed.
1982 # If $no_tk is nonempty, then we can't do Tk, and there is no
1983 # point to doing Tcl.
1986 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1989 # Check for in-tree tcl
1996 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2000 # Find Tcl private headers
2001 if test x"${intree}" = xno; then
2002 CY_AC_TCL_PRIVATE_HEADERS
2003 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2004 TCL_LIBRARY="${TCL_LIB_SPEC}"
2007 # If building tcl in the same src tree, private headers
2008 # are not needed, but we need to be sure to use the right
2010 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2011 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2012 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2014 AC_SUBST(TCL_INCLUDE)
2015 AC_SUBST(TCL_LIBRARY)
2020 # Check for in-tree Tk
2022 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2026 # Find Tk private headers
2027 if test x"${intree}" = xno; then
2028 CY_AC_TK_PRIVATE_HEADERS
2029 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2030 TK_LIBRARY=${TK_LIB_SPEC}
2033 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2034 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2035 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2037 AC_SUBST(TK_INCLUDE)
2038 AC_SUBST(TK_LIBRARY)
2040 AC_SUBST(TK_XINCLUDES)
2042 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2044 # Include some libraries that Tcl and Tk want.
2045 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2046 # Yes, the ordering seems wrong here. But it isn't.
2047 # TK_LIBS is the list of libraries that need to be linked
2048 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2049 # were in LIBS then any link tests after this point would
2050 # try to include things like `$(LIBGUI)', which wouldn't work.
2051 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2053 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2054 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2055 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2056 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2057 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2058 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2059 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2061 if test x$gdb_cv_os_cygwin = xyes; then
2062 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2063 WIN32LDAPP="-Wl,--subsystem,console"
2064 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2067 AC_CONFIG_SUBDIRS(gdbtk)
2075 AC_SUBST(GDBTK_CFLAGS)
2076 AC_SUBST(GDBTK_SRC_DIR)
2080 # Unlike the sim directory, whether a simulator is linked is controlled by
2081 # presence of a gdb_sim definition in the target configure.tgt entry.
2082 # This code just checks for a few cases where we'd like to ignore those
2083 # definitions, even when they're present in the '.mt' file. These cases
2084 # are when --disable-sim is specified, or if the simulator directory is
2085 # not part of the source tree.
2088 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2089 [echo "enable_sim = $enable_sim";
2090 echo "enableval = ${enableval}";
2091 case "${enableval}" in
2092 yes) ignore_sim=false ;;
2093 no) ignore_sim=true ;;
2094 *) ignore_sim=false ;;
2098 if test ! -d "${srcdir}/../sim"; then
2104 if test "${ignore_sim}" = "false"; then
2105 if test x"${gdb_sim}" != x ; then
2107 SIM_OBS="remote-sim.o"
2108 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2114 AC_SUBST(ENABLE_CFLAGS)
2115 AC_SUBST(PROFILE_CFLAGS)
2117 AC_SUBST(CONFIG_OBS)
2118 AC_SUBST(CONFIG_DEPS)
2119 AC_SUBST(CONFIG_SRCS)
2120 AC_SUBST(CONFIG_ALL)
2121 AC_SUBST(CONFIG_CLEAN)
2122 AC_SUBST(CONFIG_INSTALL)
2123 AC_SUBST(CONFIG_UNINSTALL)
2125 # List of host floatformats.
2126 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2127 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2128 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2130 # target_subdir is used by the testsuite to find the target libraries.
2132 if test "${host}" != "${target}"; then
2133 target_subdir="${target_alias}/"
2135 AC_SUBST(target_subdir)
2138 if test "${gdb_native}" = "yes"; then
2139 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2140 if test ! -f ${host_makefile_frag}; then
2141 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2143 frags="$frags $host_makefile_frag"
2145 host_makefile_frag=/dev/null
2148 AC_SUBST_FILE(host_makefile_frag)
2152 if test "${gdb_native}" = "yes"; then
2153 # We pick this up from the host configuration file (.mh) because we
2154 # do not have a native configuration Makefile fragment.
2155 nativefile=`sed -n '
2156 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2157 ' ${host_makefile_frag}`
2161 if test x"${gdb_osabi}" != x ; then
2162 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2163 [Define to the default OS ABI for this configuration.])
2166 # Enable multi-ice-gdb-server.
2167 AC_ARG_ENABLE(multi-ice,
2168 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2172 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2174 if test "x$enable_multi_ice" = xyes; then
2175 AC_CONFIG_SUBDIRS(multi-ice)
2178 AC_ARG_ENABLE(gdbserver,
2179 AS_HELP_STRING([--enable-gdbserver],
2180 [automatically build gdbserver (yes/no/auto, default is auto)]),
2181 [case "${enableval}" in
2183 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2184 esac],[enable_gdbserver=auto])
2186 # We only build gdbserver automatically in a native configuration, and
2187 # only if the user did not explicitly disable its build.
2188 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2189 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2190 if test "x$build_gdbserver" = xyes; then
2192 AC_CONFIG_SUBDIRS(gdbserver)
2193 gdbserver_build_enabled=yes
2199 # If the user explicitly request the gdbserver to be built, verify that
2200 # we were in fact able to enable it.
2201 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2202 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2205 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2206 # to an empty version.
2212 if test "${nativefile}" != ""; then
2213 case "${nativefile}" in
2214 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2215 * ) GDB_NM_FILE="${nativefile}"
2217 files="${files} ${GDB_NM_FILE}"
2218 links="${links} nm.h"
2219 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2221 AC_SUBST(GDB_NM_FILE)
2223 AC_LINK_FILES($files, $links)
2225 dnl Check for exe extension set on certain hosts (e.g. Win32)
2228 dnl Detect the character set used by this host.
2229 dnl At the moment, we just assume it's UTF-8.
2230 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2231 [Define to be a string naming the default host character set.])
2233 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile gnulib/Makefile data-directory/Makefile,
2235 case x$CONFIG_HEADERS in
2236 xconfig.h:config.in)