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
34 # Dependency checking.
36 ZW_PROG_COMPILER_DEPENDENCIES([CC])
38 # Check for the 'make' the user wants to use.
39 AC_CHECK_PROGS(MAKE, make)
41 case "`$MAKE --version 2>&1 | sed 1q`" in
46 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
49 # Configure gnulib. We need to build gnulib under some other
50 # directory not "gnulib", to avoid the problem of both GDB and
51 # GDBserver wanting to build it in the same directory, when building
53 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
55 dnl List of object files and targets accumulated by configure.
67 dnl Set up for gettext.
68 ZW_GNU_GETTEXT_SISTER_DIR
70 localedir='${datadir}/locale'
73 if test x"$USE_NLS" = xyes; then
74 CONFIG_ALL="$CONFIG_ALL all-po"
75 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
76 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
77 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
80 GNULIB=build-gnulib/import
82 # For Makefile dependencies.
84 if test x"$STDINT_H" != x; then
85 GNULIB_STDINT_H=$GNULIB/$STDINT_H
87 AC_SUBST(GNULIB_STDINT_H)
90 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
93 # We never need to detect it in this sub-configure.
94 # But preserve it for config.status --recheck.
96 [Parent configure detects if it is of sufficient version.])
97 AC_ARG_VAR(MAKEINFOFLAGS,
98 [Parameters for MAKEINFO.])
100 MAKEINFO_EXTRA_FLAGS=""
101 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
102 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
103 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
104 gdb_cv_have_makeinfo_click=yes
106 gdb_cv_have_makeinfo_click=no
108 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
109 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
111 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
113 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
114 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
117 # We can't pass paths as command line arguments.
118 # Mingw32 tries to be clever and will convert the paths for us.
119 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
120 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
121 # This breaks GDB's relocatable path conversions since paths passed in
122 # config.h would not get so translated, the path prefixes no longer match.
123 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
125 # GDB's datadir relocation
127 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
128 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
131 AC_ARG_WITH(relocated-sources,
132 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
133 [reloc_srcdir="${withval}"
134 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
135 [Relocated directory for source files. ])
138 AC_MSG_CHECKING([for default auto-load safe-path])
139 AC_ARG_WITH(auto-load-safe-path,
140 AS_HELP_STRING([--with-auto-load-safe-path=PATH], [directories safe to hold auto-loaded files])
141 AS_HELP_STRING([--without-auto-load-safe-path], [do not restrict auto-loaded files locations]),
142 [if test "$with_auto_load_safe_path" = "no"; then
143 with_auto_load_safe_path=""
145 [with_auto_load_safe_path="$prefix"])
146 AC_DEFINE_DIR(DEFAULT_AUTO_LOAD_SAFE_PATH, with_auto_load_safe_path,
147 [Directories safe to hold auto-loaded files.])
148 AC_MSG_RESULT([$with_auto_load_safe_path])
150 AC_CONFIG_SUBDIRS(testsuite)
152 # Check whether to support alternative target configurations
153 AC_ARG_ENABLE(targets,
154 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
155 [case "${enableval}" in
156 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
158 no) enable_targets= ;;
159 *) enable_targets=$enableval ;;
162 # Check whether to enable 64-bit support on 32-bit hosts
163 AC_ARG_ENABLE(64-bit-bfd,
164 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
165 [case "${enableval}" in
168 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
169 esac],[want64=false])dnl
171 # Provide defaults for some variables set by the per-host and per-target
173 gdb_host_obs=posix-hdep.o
175 if test "${target}" = "${host}"; then
181 . $srcdir/configure.host
183 # Accumulate some settings from configure.tgt over all enabled targets
188 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
190 if test "$targ_alias" = "all"; then
193 # Canonicalize the secondary target names.
194 result=`$ac_config_sub $targ_alias 2>/dev/null`
195 if test -n "$result"; then
201 . ${srcdir}/configure.tgt
203 AS_IF([test -z "${gdb_target_obs}"],
204 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
206 # Target-specific object files
207 for i in ${gdb_target_obs}; do
208 case " $TARGET_OBS " in
211 TARGET_OBS="$TARGET_OBS ${i}"
216 # Check whether this target needs 64-bit CORE_ADDR
217 if test x${want64} = xfalse; then
218 . ${srcdir}/../bfd/config.bfd
223 if test x${all_targets} = xtrue; then
225 # We want all 64-bit targets if we either:
226 # - run on a 64-bit host or
227 # - already require 64-bit support for some other target or
228 # - the --enable-64-bit-bfd option was supplied
229 # Otherwise we only support all 32-bit targets.
231 # NOTE: This test must be in sync with the corresponding
234 if test x${want64} = xfalse; then
235 AC_CHECK_SIZEOF(long)
236 if test "x${ac_cv_sizeof_long}" = "x8"; then
240 if test x${want64} = xtrue; then
241 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
243 TARGET_OBS='$(ALL_TARGET_OBS)'
249 # For other settings, only the main target counts.
253 targ=$target; . ${srcdir}/configure.tgt
255 # Fetch the default architecture and default target vector from BFD.
256 targ=$target; . $srcdir/../bfd/config.bfd
258 # We only want the first architecture, so strip off the others if
259 # there is more than one.
260 targ_archs=`echo $targ_archs | sed 's/ .*//'`
262 if test "x$targ_archs" != x; then
263 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
264 [Define to BFD's default architecture. ])
266 if test "x$targ_defvec" != x; then
267 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
268 [Define to BFD's default target vector. ])
271 # The CLI cannot be disabled yet, but may be in the future.
274 AC_ARG_ENABLE(gdbcli,
275 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
280 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
282 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
285 if test x"$enable_gdbcli" = xyes; then
286 if test -d $srcdir/cli; then
287 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
288 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
289 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
290 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
296 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
301 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
304 if test x"$enable_gdbmi" = xyes; then
305 if test -d $srcdir/mi; then
306 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
307 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
308 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
309 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
315 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
320 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
321 esac],enable_tui=auto)
325 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
330 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
332 [if test -d $srcdir/gdbtk; then
337 # We unconditionally disable gdbtk tests on selected platforms.
340 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
344 # Libunwind support for ia64.
346 AC_ARG_WITH(libunwind-ia64,
347 AS_HELP_STRING([--with-libunwind-ia64],
348 [use libunwind frame unwinding for ia64 targets]),,
349 [with_libunwind_ia64=auto])
351 # Backward compatibility option.
352 if test "${with_libunwind+set}" = set; then
353 if test x"$with_libunwind_ia64" != xauto; then
355 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
357 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
358 with_libunwind_ia64="$with_libunwind"
361 case "$with_libunwind_ia64" in
365 AC_CHECK_HEADERS(libunwind-ia64.h)
366 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
370 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
374 if test x"$with_libunwind_ia64" = xyes; then
375 AC_CHECK_HEADERS(libunwind-ia64.h)
376 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
377 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
379 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
380 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
381 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
385 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
388 if test "$opt_curses" = "yes"; then
393 AC_ARG_ENABLE(profiling,
394 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
399 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
401 [enable_profiling=no])
403 AC_CHECK_FUNCS(monstartup _mcleanup)
404 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
409 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
410 if test $ac_cv_var__etext = yes; then
411 AC_DEFINE(HAVE__ETEXT, 1,
412 [Define to 1 if your system has the _etext variable. ])
414 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
419 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
420 if test $ac_cv_var_etext = yes; then
421 AC_DEFINE(HAVE_ETEXT, 1,
422 [Define to 1 if your system has the etext variable. ])
424 if test "$enable_profiling" = yes ; then
425 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
426 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
430 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
432 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
433 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
434 ac_cv_cc_supports_pg=no)])
436 if test $ac_cv_cc_supports_pg = no; then
437 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
443 ACX_PKGVERSION([GDB])
444 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
445 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
446 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
448 # --------------------- #
449 # Checks for programs. #
450 # --------------------- #
458 AC_CHECK_TOOL(AR, ar)
459 AC_CHECK_TOOL(DLLTOOL, dlltool)
460 AC_CHECK_TOOL(WINDRES, windres)
462 # Needed for GNU/Hurd.
463 AC_CHECK_TOOL(MIG, mig)
465 # ---------------------- #
466 # Checks for libraries. #
467 # ---------------------- #
469 # We might need to link with -lm; most simulators need it.
470 AC_CHECK_LIB(m, main)
472 # We need to link with -lw to get `wctype' on Solaris before Solaris
473 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
474 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
475 # is known to have this problem). Therefore we avoid libw if we can.
476 AC_CHECK_FUNC(wctype, [],
477 [AC_CHECK_LIB(w, wctype)])
479 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
480 AC_SEARCH_LIBS(gethostbyname, nsl)
482 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
483 AC_SEARCH_LIBS(socketpair, socket)
485 # Link in zlib if we can. This allows us to read compressed debug sections.
488 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
489 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
493 # GDB may fork/exec the iconv program to get the list of supported character
494 # sets. Allow the user to specify where to find it.
495 # There are several factors affecting the choice of option name:
496 # - There is already --with-libiconv-prefix but we can't use it, it specifies
497 # the build-time location of libiconv files.
498 # - The program we need to find is iconv, which comes with glibc. The user
499 # doesn't necessarily have libiconv installed. Therefore naming this
500 # --with-libiconv-foo feels wrong.
501 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
502 # defined to work on directories not files (though it really doesn't know
504 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
505 # with --with-libiconv-prefix.
506 # Putting these together is why the option name is --with-iconv-bin.
508 AC_ARG_WITH(iconv-bin,
509 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
510 [iconv_bin="${withval}"
511 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
512 [Path of directory of iconv program.])
513 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
516 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
517 # There is a very specific comment in /usr/include/curses.h explaining that
518 # termcap routines built into libcurses must not be used.
520 # The symptoms we observed so far is GDB unexpectedly changing
521 # the terminal settings when tgetent is called - this is particularly
522 # visible as the output is missing carriage returns, and so rapidly
523 # becomes very hard to read.
525 # The readline configure script has already decided that libtermcap
526 # was enough for its purposes, and so decided to build readline using
527 # libtermcap. Since the TUI mode requires curses, building GDB with
528 # TUI enabled results in both libraries to be used at the same time,
529 # which is not allowed. This basically means that GDB with TUI is
530 # broken on alpha-osf.
534 if test x"$enable_tui" = xyes; then
535 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
537 if test x"$enable_tui" = xauto; then
543 # For the TUI, we need enhanced curses functionality.
544 if test x"$enable_tui" != xno; then
549 if test x"$prefer_curses" = xyes; then
550 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
551 # curses library because the latter might not provide all the
552 # functionality we need. However, this leads to problems on systems
553 # where the linker searches /usr/local/lib, but the compiler doesn't
554 # search /usr/local/include, if ncurses is installed in /usr/local. A
555 # default installation of ncurses on alpha*-dec-osf* will lead to such
557 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
559 if test "$ac_cv_search_waddstr" != no; then
564 # Check whether we should enable the TUI, but only do so if we really
566 if test x"$enable_tui" != xno; then
567 if test -d $srcdir/tui; then
568 if test "$curses_found" != no; then
569 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
570 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
571 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
572 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
574 if test x"$enable_tui" = xyes; then
575 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
577 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
583 # Since GDB uses Readline, we need termcap functionality. In many
584 # cases this will be provided by the curses library, but some systems
585 # have a seperate termcap library, or no curses library at all.
589 if test -d $srcdir/libtermcap; then
590 LIBS="../libtermcap/libtermcap.a $LIBS"
591 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
594 ac_cv_search_tgetent="none required"
597 ac_cv_search_tgetent="none required"
598 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
602 # These are the libraries checked by Readline.
603 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
605 if test "$ac_cv_search_tgetent" = no; then
606 AC_MSG_ERROR([no termcap library found])
609 AC_ARG_WITH([system-readline],
610 [AS_HELP_STRING([--with-system-readline],
611 [use installed readline library])])
613 if test "$with_system_readline" = yes; then
617 READLINE_TEXI_INCFLAG=
619 READLINE='$(READLINE_DIR)/libreadline.a'
620 READLINE_DEPS='$(READLINE)'
621 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
622 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
625 AC_SUBST(READLINE_DEPS)
626 AC_SUBST(READLINE_CFLAGS)
627 AC_SUBST(READLINE_TEXI_INCFLAG)
629 # Generate jit-reader.h
631 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
634 AC_CHECK_SIZEOF(unsigned long long)
635 AC_CHECK_SIZEOF(unsigned long)
636 AC_CHECK_SIZEOF(unsigned __int128)
638 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
639 TARGET_PTR="unsigned long"
640 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
641 TARGET_PTR="unsigned long long"
642 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
643 TARGET_PTR="unsigned __int128"
645 TARGET_PTR="unsigned long"
649 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
651 AC_SEARCH_LIBS(dlopen, dl)
653 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
654 [directory to load the JIT readers from],
658 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
659 [], [with_expat=auto])
660 AC_MSG_CHECKING([whether to use expat])
661 AC_MSG_RESULT([$with_expat])
663 if test "${with_expat}" = no; then
664 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
667 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
668 [XML_Parser p = XML_ParserCreate (0);])
669 if test "$HAVE_LIBEXPAT" != yes; then
670 if test "$with_expat" = yes; then
671 AC_MSG_ERROR([expat is missing or unusable])
673 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
677 LIBS="$LIBS $LIBEXPAT"
678 AC_CHECK_FUNCS(XML_StopParser)
683 dnl Utility to simplify finding libpython.
685 dnl $2 = the shell variable to assign the result to
686 dnl If libpython is found we store $version here.
687 dnl $3 = additional flags to add to CPPFLAGS
688 dnl $4 = additional flags to add to LIBS
690 AC_DEFUN([AC_TRY_LIBPYTHON],
693 define([have_libpython_var],$2)
696 AC_MSG_CHECKING([for ${version}])
697 save_CPPFLAGS=$CPPFLAGS
699 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
700 LIBS="$LIBS $new_LIBS"
701 found_usable_python=no
702 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
703 [[Py_Initialize ();]]),
704 [have_libpython_var=${version}
705 found_usable_python=yes
706 PYTHON_CPPFLAGS=$new_CPPFLAGS
707 PYTHON_LIBS=$new_LIBS])
708 CPPFLAGS=$save_CPPFLAGS
710 AC_MSG_RESULT([${found_usable_python}])
713 dnl There are several different values for --with-python:
715 dnl no - Don't include python support.
716 dnl yes - Include python support, error if it's missing.
717 dnl If we find python in $PATH, use it to fetch configure options,
718 dnl otherwise assume the compiler can find it with no help from us.
719 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
720 dnl auto - Same as "yes", but if python is missing from the system,
721 dnl fall back to "no".
722 dnl /path/to/python/exec-prefix -
723 dnl Use the python located in this directory.
724 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
725 dnl the compilation parameters. Otherwise use
726 dnl -I/path/to/python/exec-prefix/include,
727 dnl -L/path/to/python/exec-prefix/lib.
728 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
729 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
730 dnl but is deprecated.
731 dnl /path/to/python/executable -
732 dnl Run python-config.py with this version of python to fetch the
733 dnl compilation parameters.
734 dnl NOTE: This needn't be the real python executable.
735 dnl In a cross-compilation scenario (build != host), this could be
736 dnl a shell script that provides what python-config.py provides for
737 dnl --ldflags, --includes, --exec-prefix.
738 dnl python-executable -
739 dnl Find python-executable in $PATH, and then handle the same as
740 dnl /path/to/python/executable.
742 dnl If a python program is specified, it is used to run python-config.py and
743 dnl is passed --ldflags, --includes, --exec-prefix.
746 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
747 [], [with_python=auto])
748 AC_MSG_CHECKING([whether to use python])
749 AC_MSG_RESULT([$with_python])
751 if test "${with_python}" = no; then
752 AC_MSG_WARN([python support disabled; some features may be unavailable.])
755 case "${with_python}" in
756 [[\\/]]* | ?:[[\\/]]*)
757 if test -d ${with_python}; then
758 # Assume the python binary is ${with_python}/bin/python.
759 python_prog="${with_python}/bin/python"
761 # If python does not exit ${with_python}/bin, then try in
762 # ${with_python}. On Windows/MinGW, this is where the Python
764 if test ! -x "${python_prog}"; then
765 python_prog="${with_python}/python"
768 if test ! -x "${python_prog}"; then
769 # Fall back to gdb 7.0/7.1 behaviour.
771 python_prefix=${with_python}
773 elif test -x "${with_python}"; then
774 # While we can't run python compiled for $host (unless host == build),
775 # the user could write a script that provides the needed information,
776 # so we support that.
777 python_prog=${with_python}
780 AC_ERROR(invalid value for --with-python)
784 # Disallow --with-python=foo/bar.
785 AC_ERROR(invalid value for --with-python)
788 # The user has either specified auto, yes, or the name of the python
789 # program assumed to be in $PATH.
791 case "${with_python}" in
793 if test ${build} = ${host}; then
794 AC_PATH_PROG(python_prog_path, python, missing)
795 if test "${python_prog_path}" = missing; then
798 python_prog=${python_prog_path}
801 # Not much we can do except assume the cross-compiler will find the
807 # While we can't run python compiled for $host (unless host == build),
808 # the user could write a script that provides the needed information,
809 # so we support that.
810 python_prog="${with_python}"
811 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
812 if test "${python_prog_path}" = missing; then
813 AC_ERROR(unable to find python program ${python_prog})
819 if test "${python_prog}" != missing; then
820 # We have a python program to use, but it may be too old.
821 # Don't flag an error for --with-python=auto (the default).
822 have_python_config=yes
823 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
824 if test $? != 0; then
825 have_python_config=failed
826 if test "${with_python}" != auto; then
827 AC_ERROR(failure running python-config --includes)
830 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
831 if test $? != 0; then
832 have_python_config=failed
833 if test "${with_python}" != auto; then
834 AC_ERROR(failure running python-config --ldflags)
837 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
838 if test $? != 0; then
839 have_python_config=failed
840 if test "${with_python}" != auto; then
841 AC_ERROR(failure running python-config --exec-prefix)
845 # We do not have a python executable we can use to determine where
846 # to find the Python headers and libs. We cannot guess the include
847 # path from the python_prefix either, because that include path
848 # depends on the Python version. So, there is nothing much we can
849 # do except assume that the compiler will be able to find those files.
852 have_python_config=no
855 # If we have python-config, only try the configuration it provides.
856 # Otherwise fallback on the old way of trying different versions of
860 if test "${have_python_config}" = yes; then
861 # Determine the Python version by extracting "-lpython<version>"
862 # part of the python_libs. <version> is usually X.Y with X and Y
863 # being decimal numbers, but can also be XY (seen on Windows).
865 # The extraction is performed using sed with a regular expression.
866 # Initially, the regexp used was using the '?' quantifier to make
867 # the dot in the version number optional. Unfortunately, this
868 # does not work with non-GNU versions of sed because, because of
869 # what looks like a limitation (the '?' quantifier does not work
870 # with back-references). We work around this limitation by using
871 # the '*' quantifier instead. It means that, in theory, we might
872 # match unexpected version strings such as "-lpython2..7", but
873 # this seems unlikely in practice. And even if that happens,
874 # an error will be triggered later on, when checking that version
876 python_version=`echo " ${python_libs} " \
877 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
878 case "${python_version}" in
880 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
881 ${python_includes}, ${python_libs})
884 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
887 elif test "${have_python_config}" != failed; then
888 if test "${have_libpython}" = no; then
889 AC_TRY_LIBPYTHON(python2.7, have_libpython,
890 ${python_includes}, "${python_libs} -lpython2.7")
892 if test "${have_libpython}" = no; then
893 AC_TRY_LIBPYTHON(python2.6, have_libpython,
894 ${python_includes}, "${python_libs} -lpython2.6")
896 if test ${have_libpython} = no; then
897 AC_TRY_LIBPYTHON(python2.5, have_libpython,
898 ${python_includes}, "${python_libs} -lpython2.5")
900 if test ${have_libpython} = no; then
901 AC_TRY_LIBPYTHON(python2.4, have_libpython,
902 ${python_includes}, "${python_libs} -lpython2.4")
905 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
906 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
907 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
908 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
909 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
910 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
911 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
912 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
915 if test "${have_libpython}" = no; then
916 case "${with_python}" in
918 AC_MSG_ERROR([python is missing or unusable])
921 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
924 AC_MSG_ERROR([no usable python found at ${with_python}])
928 if test -n "${python_prefix}"; then
929 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
930 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
931 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
936 if test "${have_libpython}" != no; then
937 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
938 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
939 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
940 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
941 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
942 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
944 # Flags needed to compile Python code (taken from python-config --cflags).
945 # We cannot call python-config directly because it will output whatever was
946 # used when compiling the Python interpreter itself, including flags which
947 # would make the python-related objects be compiled differently from the
948 # rest of GDB (e.g., -O2 and -fPIC).
949 if test "${GCC}" = yes; then
950 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
953 if test "x${tentative_python_cflags}" != x; then
954 AC_MSG_CHECKING(compiler flags for python code)
955 for flag in ${tentative_python_cflags}; do
956 # Check that the compiler accepts it
957 saved_CFLAGS="$CFLAGS"
958 CFLAGS="$CFLAGS $flag"
959 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
960 CFLAGS="$saved_CFLAGS"
962 AC_MSG_RESULT(${PYTHON_CFLAGS})
965 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
967 # #define siginfo __siginfo
969 # The problem is that including Python causes some XOPEN macros to be
970 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
971 # to false. So, we work around this issue by defining siginfo ourself
972 # though the command-line.
974 irix*) if test "${GCC}" = yes; then
975 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
980 # Even if Python support is not compiled in, we need to have these files
982 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
983 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
984 python/py-prettyprint.c python/py-auto-load.c"
986 AC_SUBST(PYTHON_CFLAGS)
987 AC_SUBST(PYTHON_CPPFLAGS)
988 AC_SUBST(PYTHON_LIBS)
990 # ------------------------- #
991 # Checks for header files. #
992 # ------------------------- #
997 # elf_hp.h is for HP/UX 64-bit shared library support.
998 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
999 # unconditionally, so what's the point in checking these?
1000 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1001 thread_db.h gnu/libc-version.h signal.h stddef.h \
1002 stdlib.h string.h memory.h strings.h sys/fault.h \
1003 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1004 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1005 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1006 sys/types.h sys/wait.h wait.h termios.h termio.h \
1007 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
1008 dlfcn.h sys/socket.h sys/un.h])
1009 AC_CHECK_HEADERS(link.h, [], [],
1010 [#if HAVE_SYS_TYPES_H
1011 # include <sys/types.h>
1017 AC_CHECK_HEADERS(sys/proc.h, [], [],
1018 [#if HAVE_SYS_PARAM_H
1019 # include <sys/param.h>
1022 AC_CHECK_HEADERS(sys/user.h, [], [],
1023 [#if HAVE_SYS_PARAM_H
1024 # include <sys/param.h>
1028 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1029 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1030 # think that we don't have <curses.h> if we're using GCC.
1033 if test "$GCC" = yes; then
1034 AC_DEFINE(_MSE_INT_H, 1,
1035 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1036 Solaris 2.[789] when using GCC. ])
1039 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1040 AC_CHECK_HEADERS(term.h, [], [],
1042 # include <curses.h>
1046 # ------------------------- #
1047 # Checks for declarations. #
1048 # ------------------------- #
1050 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1051 snprintf, vsnprintf])
1054 # ----------------------- #
1055 # Checks for structures. #
1056 # ----------------------- #
1058 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1060 # ------------------ #
1061 # Checks for types. #
1062 # ------------------ #
1065 AC_CHECK_TYPES(socklen_t, [], [],
1066 [#include <sys/types.h>
1067 #include <sys/socket.h>
1070 # ------------------------------------- #
1071 # Checks for compiler characteristics. #
1072 # ------------------------------------- #
1078 # ------------------------------ #
1079 # Checks for library functions. #
1080 # ------------------------------ #
1085 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1086 pipe poll pread pread64 pwrite readlink resize_term \
1087 sbrk setpgid setpgrp setsid \
1088 sigaction sigprocmask sigsetmask socketpair syscall \
1089 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1090 setrlimit getrlimit posix_madvise waitpid lstat])
1093 # Check the return and argument types of ptrace. No canned test for
1094 # this, so roll our own.
1095 gdb_ptrace_headers='
1096 #if HAVE_SYS_TYPES_H
1097 # include <sys/types.h>
1099 #if HAVE_SYS_PTRACE_H
1100 # include <sys/ptrace.h>
1103 # include <unistd.h>
1106 # There is no point in checking if we don't have a prototype.
1107 AC_CHECK_DECLS(ptrace, [], [
1108 : ${gdb_cv_func_ptrace_ret='int'}
1109 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1110 ], $gdb_ptrace_headers)
1111 # Check return type. Varargs (used on GNU/Linux) conflict with the
1112 # empty argument list, so check for that explicitly.
1113 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1114 AC_TRY_COMPILE($gdb_ptrace_headers,
1115 [extern long ptrace (enum __ptrace_request, ...);],
1116 gdb_cv_func_ptrace_ret='long',
1117 AC_TRY_COMPILE($gdb_ptrace_headers,
1118 [extern int ptrace ();],
1119 gdb_cv_func_ptrace_ret='int',
1120 gdb_cv_func_ptrace_ret='long')))
1121 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1122 [Define as the return type of ptrace.])
1123 # Check argument types.
1124 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1125 AC_TRY_COMPILE($gdb_ptrace_headers,
1126 [extern long ptrace (enum __ptrace_request, ...);],
1127 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1128 for gdb_arg1 in 'int' 'long'; do
1129 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1130 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1131 for gdb_arg4 in 'int' 'long'; do
1132 AC_TRY_COMPILE($gdb_ptrace_headers, [
1133 extern $gdb_cv_func_ptrace_ret
1134 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1135 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1137 for gdb_arg5 in 'int *' 'int' 'long'; do
1138 AC_TRY_COMPILE($gdb_ptrace_headers, [
1139 extern $gdb_cv_func_ptrace_ret
1140 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1142 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1149 # Provide a safe default value.
1150 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1152 ac_save_IFS=$IFS; IFS=','
1153 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1156 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1157 [Define to the type of arg 3 for ptrace.])
1158 if test -n "$[5]"; then
1159 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1160 [Define to the type of arg 5 for ptrace.])
1163 dnl AC_FUNC_SETPGRP does not work when cross compiling
1164 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1165 if test "$cross_compiling" = no; then
1168 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1172 if (setpgrp(1,1) == -1)
1176 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1177 if test $ac_cv_func_setpgrp_void = yes; then
1178 AC_DEFINE(SETPGRP_VOID, 1)
1182 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1183 # since sigsetjmp might only be defined as a macro.
1184 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1187 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1188 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1189 if test $gdb_cv_func_sigsetjmp = yes; then
1190 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1193 # Assume we'll default to using the included libiberty regex.
1194 gdb_use_included_regex=yes
1196 # However, if the system regex is GNU regex, then default to *not*
1197 # using the included regex.
1200 [gdb_cv_have_gnu_regex],
1202 [#include <gnu-versions.h>],
1203 [#define REGEX_INTERFACE_VERSION 1
1204 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1205 # error "Version mismatch"
1207 gdb_cv_have_gnu_regex=yes,
1208 gdb_cv_have_gnu_regex=no)])
1209 if test $gdb_cv_have_gnu_regex = yes; then
1210 gdb_use_included_regex=no
1213 AC_ARG_WITH(included-regex,
1214 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1215 gdb_with_regex=$withval,
1216 gdb_with_regex=$gdb_use_included_regex)
1217 if test "$gdb_with_regex" = yes; then
1218 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1219 [Define to 1 if the regex included in libiberty should be used.])
1222 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1223 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1224 [#include <sys/param.h>
1225 #include <sys/proc.h>
1228 # See if <sys/lwp.h> defines `struct lwp`.
1229 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1230 [AC_TRY_COMPILE([#include <sys/param.h>
1231 #include <sys/lwp.h>], [struct lwp l;],
1232 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1233 if test $gdb_cv_struct_lwp = yes; then
1234 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1235 [Define to 1 if your system has struct lwp.])
1238 # See if <machine/reg.h> degines `struct reg'.
1239 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1240 [AC_TRY_COMPILE([#include <sys/types.h>
1241 #include <machine/reg.h>], [struct reg r;],
1242 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1243 if test $gdb_cv_struct_reg = yes; then
1244 AC_DEFINE(HAVE_STRUCT_REG, 1,
1245 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1248 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1249 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1250 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1251 [#include <machine/reg.h>])
1253 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1254 AC_MSG_CHECKING(for PTRACE_GETREGS)
1255 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1256 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1258 [gdb_cv_have_ptrace_getregs=yes],
1259 [gdb_cv_have_ptrace_getregs=no])])
1260 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1261 if test $gdb_cv_have_ptrace_getregs = yes; then
1262 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1263 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1266 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1267 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1268 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1269 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1270 [PTRACE_GETFPXREGS;],
1271 [gdb_cv_have_ptrace_getfpxregs=yes],
1272 [gdb_cv_have_ptrace_getfpxregs=no])])
1273 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1274 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1275 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1276 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1279 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1280 AC_MSG_CHECKING(for PT_GETDBREGS)
1281 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1282 [AC_TRY_COMPILE([#include <sys/types.h>
1283 #include <sys/ptrace.h>],
1285 [gdb_cv_have_pt_getdbregs=yes],
1286 [gdb_cv_have_pt_getdbregs=no])])
1287 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1288 if test $gdb_cv_have_pt_getdbregs = yes; then
1289 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1290 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1293 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1294 AC_MSG_CHECKING(for PT_GETXMMREGS)
1295 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1296 [AC_TRY_COMPILE([#include <sys/types.h>
1297 #include <sys/ptrace.h>],
1299 [gdb_cv_have_pt_getxmmregs=yes],
1300 [gdb_cv_have_pt_getxmmregs=no])])
1301 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1302 if test $gdb_cv_have_pt_getxmmregs = yes; then
1303 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1304 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1307 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1309 if test "${target}" = "${host}"; then
1311 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1312 AC_DEFINE(NEW_PROC_API, 1,
1313 [Define if you want to use new multi-fd /proc interface
1314 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1316 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1317 AC_DEFINE(NEW_PROC_API, 1,
1318 [Define if you want to use new multi-fd /proc interface
1319 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1322 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1323 AC_DEFINE([_KMEMUSER], 1,
1324 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1325 around a <sys/proc.h> problem on IRIX 5.])
1330 if test "$ac_cv_header_sys_procfs_h" = yes; then
1331 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1332 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1333 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1334 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1335 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1336 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1337 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1338 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1339 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1340 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1341 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1342 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1343 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1344 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1347 dnl Check for broken prfpregset_t type
1349 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1350 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1351 dnl instead of the struct itself). We detect this here, and work
1352 dnl around it in gdb_proc_service.h.
1354 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1355 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1356 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1357 [AC_TRY_RUN([#include <sys/procfs.h>
1360 if (sizeof (prfpregset_t) == sizeof (void *))
1364 gdb_cv_prfpregset_t_broken=no,
1365 gdb_cv_prfpregset_t_broken=yes,
1366 gdb_cv_prfpregset_t_broken=yes)])
1367 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1368 if test $gdb_cv_prfpregset_t_broken = yes; then
1369 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1370 [Define if the prfpregset_t type is broken.])
1374 dnl Check for PIOCSET ioctl entry
1376 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1377 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1378 [AC_TRY_COMPILE([#include <unistd.h>
1379 #include <sys/types.h>
1380 #include <sys/procfs.h>
1383 dummy = ioctl(0, PIOCSET, &dummy);
1385 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1386 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1387 if test $gdb_cv_have_procfs_piocset = yes; then
1388 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1389 [Define if ioctl argument PIOCSET is available.])
1393 dnl For native ports (host == target), check to see what kind of
1394 dnl legacy link.h support is needed. (See solib-legacy.c.)
1395 if test ${host} = ${target} ; then
1396 dnl Check for struct link_map with l_ members which are indicative
1397 dnl of SVR4-like shared libraries
1399 AC_MSG_CHECKING(for member l_addr in struct link_map)
1400 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1401 [AC_TRY_COMPILE([#include <link.h>],
1402 [struct link_map lm; (void) lm.l_addr;],
1403 gdb_cv_have_struct_link_map_with_l_members=yes,
1404 gdb_cv_have_struct_link_map_with_l_members=no)])
1405 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1406 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1407 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1408 [Define if <link.h> exists and defines struct link_map which has
1409 members with an ``l_'' prefix. (For Solaris, SVR4, and
1410 SVR4-like systems.)])
1413 dnl Check for struct link_map with lm_ members which are indicative
1414 dnl of SunOS-like shared libraries
1416 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1417 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1418 [AC_TRY_COMPILE([#include <sys/types.h>
1420 [struct link_map lm; (void) lm.lm_addr;],
1421 gdb_cv_have_struct_link_map_with_lm_members=yes,
1422 gdb_cv_have_struct_link_map_with_lm_members=no)])
1423 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1424 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1425 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1426 [Define if <link.h> exists and defines struct link_map which has
1427 members with an ``lm_'' prefix. (For SunOS.)])
1430 dnl Check for struct so_map with som_ members which are found on
1431 dnl some *BSD systems.
1433 AC_MSG_CHECKING(for member som_addr in struct so_map)
1434 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1435 [AC_TRY_COMPILE([#include <sys/types.h>
1440 [struct so_map lm; (void) lm.som_addr;],
1441 gdb_cv_have_struct_so_map_with_som_members=yes,
1442 gdb_cv_have_struct_so_map_with_som_members=no)])
1443 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1444 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1445 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1446 [Define if <link.h> exists and defines a struct so_map which has
1447 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1450 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1451 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1453 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1454 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1455 [AC_TRY_COMPILE([#define _SYSCALL32
1456 #include <sys/link.h>], [struct link_map32 l;],
1457 gdb_cv_have_struct_link_map32=yes,
1458 gdb_cv_have_struct_link_map32=no)])
1459 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1460 if test $gdb_cv_have_struct_link_map32 = yes; then
1461 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1462 [Define if <sys/link.h> has struct link_map32])
1463 AC_DEFINE(_SYSCALL32, 1,
1464 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1468 # Check if the compiler supports the `long long' type.
1470 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1471 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1472 [[extern long long foo;]],
1473 [[switch (foo & 2) { case 0: return 1; }]])],
1474 gdb_cv_c_long_long=yes,
1475 gdb_cv_c_long_long=no)])
1476 if test $gdb_cv_c_long_long = yes; then
1477 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1478 [Define to 1 if the compiler supports long long.])
1481 # Check if the compiler and runtime support printing long longs.
1483 AC_CACHE_CHECK([for long long support in printf],
1484 gdb_cv_printf_has_long_long,
1485 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1488 l = (l << 16) + 0x0123;
1489 l = (l << 16) + 0x4567;
1490 l = (l << 16) + 0x89ab;
1491 l = (l << 16) + 0xcdef;
1492 sprintf (buf, "0x%016llx", l);
1493 return (strcmp ("0x0123456789abcdef", buf));]])],
1494 gdb_cv_printf_has_long_long=yes,
1495 gdb_cv_printf_has_long_long=no,
1496 gdb_cv_printf_has_long_long=no)])
1497 if test $gdb_cv_printf_has_long_long = yes; then
1498 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1499 [Define to 1 if the "%ll" format works to print long longs.])
1502 # Check if the compiler and runtime support printing decfloats.
1504 AC_CACHE_CHECK([for decfloat support in printf],
1505 gdb_cv_printf_has_decfloat,
1506 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1508 _Decimal32 d32 = 1.2345df;
1509 _Decimal64 d64 = 1.2345dd;
1510 _Decimal128 d128 = 1.2345dl;
1511 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1512 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1513 gdb_cv_printf_has_decfloat=yes,
1514 gdb_cv_printf_has_decfloat=no,
1515 gdb_cv_printf_has_decfloat=no)])
1516 if test $gdb_cv_printf_has_decfloat = yes; then
1517 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1518 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1521 # Check if the compiler supports the `long double' type. We can't use
1522 # AC_C_LONG_DOUBLE because that one does additional checks on the
1523 # constants defined in <float.h> that fail on some systems,
1524 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1526 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1527 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1528 gdb_cv_c_long_double=yes,
1529 gdb_cv_c_long_double=no)])
1530 if test $gdb_cv_c_long_double = yes; then
1531 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1532 [Define to 1 if the compiler supports long double.])
1535 # Check if the compiler and runtime support printing long doubles.
1537 AC_CACHE_CHECK([for long double support in printf],
1538 gdb_cv_printf_has_long_double,
1539 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1541 long double f = 3.141592653;
1542 sprintf (buf, "%Lg", f);
1543 return (strncmp ("3.14159", buf, 7));]])],
1544 gdb_cv_printf_has_long_double=yes,
1545 gdb_cv_printf_has_long_double=no,
1546 gdb_cv_printf_has_long_double=no)])
1547 if test $gdb_cv_printf_has_long_double = yes; then
1548 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1549 [Define to 1 if the "%Lg" format works to print long doubles.])
1552 # Check if the compiler and runtime support scanning long doubles.
1554 AC_CACHE_CHECK([for long double support in scanf],
1555 gdb_cv_scanf_has_long_double,
1556 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1557 [[#include <stdio.h>]],
1558 [[char *buf = "3.141592653";
1560 sscanf (buf, "%Lg", &f);
1561 return !(f > 3.14159 && f < 3.14160);]])],
1562 gdb_cv_scanf_has_long_double=yes,
1563 gdb_cv_scanf_has_long_double=no,
1564 gdb_cv_scanf_has_long_double=no)])
1565 if test $gdb_cv_scanf_has_long_double = yes; then
1566 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1567 [Define to 1 if the "%Lg" format works to scan long doubles.])
1572 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1573 SAVE_LDFLAGS=$LDFLAGS
1576 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1577 *) gdb_cv_bigtoc=-bbigtoc ;;
1580 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1581 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1582 LDFLAGS="${SAVE_LDFLAGS}"
1584 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1588 AC_MSG_CHECKING(for the dynamic export flag)
1590 if test "${gdb_native}" = yes; then
1591 # The dynamically loaded libthread_db needs access to symbols in the gdb
1592 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1593 # may not be supported there.
1594 old_LDFLAGS="$LDFLAGS"
1595 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1596 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1597 LDFLAGS="$LDFLAGS $RDYNAMIC"
1598 if test "${have_libpython}" = no; then
1599 AC_TRY_LINK([], [], [dynamic_list=true])
1601 # Workaround http://bugs.python.org/issue4434 where static
1602 # libpythonX.Y.a would get its symbols required for
1603 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1604 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1605 old_CFLAGS="$CFLAGS"
1606 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1609 [#include "]${have_libpython}[/Python.h"],
1612 err = PyRun_SimpleString ("import itertools\n");
1614 return err == 0 ? 0 : 1;]),
1615 [dynamic_list=true], [], [true])
1616 CFLAGS="$old_CFLAGS"
1618 LDFLAGS="$old_LDFLAGS"
1620 if $dynamic_list; then
1621 found="-Wl,--dynamic-list"
1622 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1625 RDYNAMIC="-rdynamic"
1628 AC_MSG_RESULT($found)
1630 dnl For certain native configurations, we need to check whether thread
1631 dnl support can be built in or not.
1633 dnl Note that we only want this if we are both native (host == target),
1634 dnl and not doing a canadian cross build (build == host).
1636 if test ${build} = ${host} -a ${host} = ${target} ; then
1639 # See if thread_db library is around for Solaris thread debugging.
1640 # Note that we must explicitly test for version 1 of the library
1641 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1643 AC_MSG_CHECKING(for Solaris thread debugging library)
1644 if test -f /usr/lib/libthread_db.so.1 ; then
1646 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1647 [Define if using Solaris thread debugging.])
1648 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1649 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1650 AC_CHECK_LIB(dl, dlopen)
1651 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1652 # Sun randomly tweaked the prototypes in <proc_service.h>
1654 AC_MSG_CHECKING(if <proc_service.h> is old)
1655 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1657 #include <proc_service.h>
1659 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1660 ],, gdb_cv_proc_service_is_old=no,
1661 gdb_cv_proc_service_is_old=yes)
1663 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1664 if test $gdb_cv_proc_service_is_old = yes; then
1665 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1666 [Define if <proc_service.h> on solaris uses int instead of
1667 size_t, and assorted other type changes.])
1674 AC_MSG_CHECKING(for AiX thread debugging library)
1675 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1676 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1677 [#ifndef PTHDB_VERSION_3
1680 gdb_cv_have_aix_thread_debug=yes,
1681 gdb_cv_have_aix_thread_debug=no)])
1682 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1683 if test $gdb_cv_have_aix_thread_debug = yes; then
1684 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1685 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1686 LIBS="$LIBS -lpthdebug"
1688 # Older versions of AIX do not provide the declaration for
1689 # the getthrds function (it appears that it was introduced
1691 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1695 AC_SUBST(CONFIG_LDFLAGS)
1698 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1699 dnl other error codes.
1700 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1701 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1702 gdb_cv_thread_db_h_has_td_notalloc,
1704 [#include <thread_db.h>],
1705 [int i = TD_NOTALLOC;],
1706 gdb_cv_thread_db_h_has_td_notalloc=yes,
1707 gdb_cv_thread_db_h_has_td_notalloc=no
1710 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1711 gdb_cv_thread_db_h_has_td_version,
1713 [#include <thread_db.h>],
1714 [int i = TD_VERSION;],
1715 gdb_cv_thread_db_h_has_td_version=yes,
1716 gdb_cv_thread_db_h_has_td_version=no
1719 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1720 gdb_cv_thread_db_h_has_td_notls,
1722 [#include <thread_db.h>],
1723 [int i = TD_NOTLS;],
1724 gdb_cv_thread_db_h_has_td_notls=yes,
1725 gdb_cv_thread_db_h_has_td_notls=no
1729 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1730 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1731 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1733 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1734 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1735 [Define if <thread_db.h> has the TD_VERSION error code.])
1737 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1738 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1739 [Define if <thread_db.h> has the TD_NOTLS error code.])
1742 dnl See if we have a sys/syscall header file that has __NR_tkill.
1743 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1744 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1745 gdb_cv_sys_syscall_h_has_tkill,
1747 [#include <sys/syscall.h>],
1748 [int i = __NR_tkill;],
1749 gdb_cv_sys_syscall_h_has_tkill=yes,
1750 gdb_cv_sys_syscall_h_has_tkill=no
1754 dnl See if we can issue tkill syscall.
1755 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1756 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1759 dnl Check if we can disable the virtual address space randomization.
1760 dnl The functionality of setarch -R.
1761 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1762 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1763 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1764 # define ADDR_NO_RANDOMIZE 0x0040000
1766 /* Test the flag could be set and stays set. */
1767 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1768 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1770 AC_RUN_IFELSE([PERSONALITY_TEST],
1771 [have_personality=true],
1772 [have_personality=false],
1773 [AC_LINK_IFELSE([PERSONALITY_TEST],
1774 [have_personality=true],
1775 [have_personality=false])])
1776 if $have_personality
1778 AC_DEFINE([HAVE_PERSONALITY], 1,
1779 [Define if you support the personality syscall.])
1782 dnl Handle optional features that can be enabled.
1784 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1785 # except that the argument to --with-sysroot is optional.
1786 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1787 if test "x$with_sysroot" = xyes; then
1788 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1790 AC_ARG_WITH(sysroot,
1791 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1792 [search for usr/lib et al within DIR]),
1793 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1794 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1795 [search for usr/lib et al within DIR])
1796 AC_SUBST(TARGET_SYSTEM_ROOT)
1797 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1799 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1800 [automatically load a system-wide gdbinit file],
1803 AC_ARG_ENABLE(werror,
1804 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1805 [case "${enableval}" in
1806 yes | y) ERROR_ON_WARNING="yes" ;;
1807 no | n) ERROR_ON_WARNING="no" ;;
1808 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1811 # Enable -Werror by default when using gcc
1812 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1813 ERROR_ON_WARNING=yes
1817 if test "${ERROR_ON_WARNING}" = yes ; then
1818 WERROR_CFLAGS="-Werror"
1821 # The entries after -Wno-pointer-sign are disabled warnings which may
1822 # be enabled in the future, which can not currently be used to build
1824 # NOTE: If you change this list, remember to update
1825 # gdb/doc/gdbint.texinfo.
1826 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1827 -Wformat-nonliteral -Wno-pointer-sign \
1828 -Wno-unused -Wunused-value -Wunused-function \
1829 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes"
1831 # Enable -Wno-format by default when using gcc on mingw since many
1832 # GCC versions complain about %I64.
1834 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1837 AC_ARG_ENABLE(build-warnings,
1838 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1839 [case "${enableval}" in
1841 no) build_warnings="-w";;
1842 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1843 build_warnings="${build_warnings} ${t}";;
1844 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1845 build_warnings="${t} ${build_warnings}";;
1846 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1848 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1849 echo "Setting compiler warning flags = $build_warnings" 6>&1
1851 AC_ARG_ENABLE(gdb-build-warnings,
1852 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1853 [case "${enableval}" in
1855 no) build_warnings="-w";;
1856 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1857 build_warnings="${build_warnings} ${t}";;
1858 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1859 build_warnings="${t} ${build_warnings}";;
1860 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1862 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1863 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1866 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1868 AC_MSG_CHECKING(compiler warning flags)
1869 # Separate out the -Werror flag as some files just cannot be
1870 # compiled with it enabled.
1871 for w in ${build_warnings}; do
1873 -Werr*) WERROR_CFLAGS=-Werror ;;
1874 *) # Check that GCC accepts it
1875 saved_CFLAGS="$CFLAGS"
1877 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1878 CFLAGS="$saved_CFLAGS"
1881 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1883 AC_SUBST(WARN_CFLAGS)
1884 AC_SUBST(WERROR_CFLAGS)
1886 # In the Cygwin environment, we need some additional flags.
1887 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1888 [AC_EGREP_CPP(lose, [
1889 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1891 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1894 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1895 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1897 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1898 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1899 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1901 AC_SUBST(SER_HARDWIRE)
1903 # libreadline needs libuser32.a in a cygwin environment
1905 if test x$gdb_cv_os_cygwin = xyes; then
1906 WIN32LIBS="-luser32"
1908 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1913 # The ser-tcp.c module requires sockets.
1916 AC_DEFINE(USE_WIN32API, 1,
1917 [Define if we should use the Windows API, instead of the
1918 POSIX API. On Windows, we use the Windows API when
1919 building for MinGW, but the POSIX API when building
1921 WIN32LIBS="$WIN32LIBS -lws2_32"
1926 # Add ELF support to GDB, but only if BFD includes ELF support.
1928 OLD_LDFLAGS=$LDFLAGS
1930 # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
1931 # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
1932 # always want our bfd.
1933 CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
1934 LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
1935 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1936 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1937 if test "$plugins" = "yes"; then
1940 LIBS="-lbfd -liberty $intl $LIBS"
1941 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1943 [#include <stdlib.h>
1945 #include "elf-bfd.h"
1947 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1948 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1949 if test $gdb_cv_var_elf = yes; then
1950 CONFIG_OBS="$CONFIG_OBS elfread.o"
1951 AC_DEFINE(HAVE_ELF, 1,
1952 [Define if ELF support should be included.])
1953 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1954 if test "$plugins" = "yes"; then
1955 OLD_LIBS="-ldl $OLD_LIBS"
1959 LDFLAGS=$OLD_LDFLAGS
1962 # Add any host-specific objects to GDB.
1963 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1965 LIBGUI="../libgui/src/libgui.a"
1966 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1968 AC_SUBST(GUI_CFLAGS_X)
1972 AC_SUBST(WIN32LDAPP)
1975 *-*-cygwin* | *-*-mingw* )
1984 if test "${enable_gdbtk}" = "yes"; then
1986 # Gdbtk must have an absolute path to srcdir in order to run
1987 # properly when not installed.
1995 # If $no_tk is nonempty, then we can't do Tk, and there is no
1996 # point to doing Tcl.
1999 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2002 # Check for in-tree tcl
2009 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2013 # Find Tcl private headers
2014 if test x"${intree}" = xno; then
2015 CY_AC_TCL_PRIVATE_HEADERS
2016 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2017 TCL_LIBRARY="${TCL_LIB_SPEC}"
2020 # If building tcl in the same src tree, private headers
2021 # are not needed, but we need to be sure to use the right
2023 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2024 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2025 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2027 AC_SUBST(TCL_INCLUDE)
2028 AC_SUBST(TCL_LIBRARY)
2033 # Check for in-tree Tk
2035 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2039 # Find Tk private headers
2040 if test x"${intree}" = xno; then
2041 CY_AC_TK_PRIVATE_HEADERS
2042 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2043 TK_LIBRARY=${TK_LIB_SPEC}
2046 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2047 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2048 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2050 AC_SUBST(TK_INCLUDE)
2051 AC_SUBST(TK_LIBRARY)
2053 AC_SUBST(TK_XINCLUDES)
2055 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2057 # Include some libraries that Tcl and Tk want.
2058 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2059 # Yes, the ordering seems wrong here. But it isn't.
2060 # TK_LIBS is the list of libraries that need to be linked
2061 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2062 # were in LIBS then any link tests after this point would
2063 # try to include things like `$(LIBGUI)', which wouldn't work.
2064 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2066 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2067 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2068 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2069 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2070 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2071 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2072 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2074 if test x$gdb_cv_os_cygwin = xyes; then
2075 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2076 WIN32LDAPP="-Wl,--subsystem,console"
2077 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2080 AC_CONFIG_SUBDIRS(gdbtk)
2088 AC_SUBST(GDBTK_CFLAGS)
2089 AC_SUBST(GDBTK_SRC_DIR)
2093 # Unlike the sim directory, whether a simulator is linked is controlled by
2094 # presence of a gdb_sim definition in the target configure.tgt entry.
2095 # This code just checks for a few cases where we'd like to ignore those
2096 # definitions, even when they're present in the '.mt' file. These cases
2097 # are when --disable-sim is specified, or if the simulator directory is
2098 # not part of the source tree.
2101 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2102 [echo "enable_sim = $enable_sim";
2103 echo "enableval = ${enableval}";
2104 case "${enableval}" in
2105 yes) ignore_sim=false ;;
2106 no) ignore_sim=true ;;
2107 *) ignore_sim=false ;;
2111 if test ! -d "${srcdir}/../sim"; then
2117 if test "${ignore_sim}" = "false"; then
2118 if test x"${gdb_sim}" != x ; then
2120 SIM_OBS="remote-sim.o"
2121 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2127 AC_SUBST(ENABLE_CFLAGS)
2128 AC_SUBST(PROFILE_CFLAGS)
2130 AC_SUBST(CONFIG_OBS)
2131 AC_SUBST(CONFIG_DEPS)
2132 AC_SUBST(CONFIG_SRCS)
2133 AC_SUBST(CONFIG_ALL)
2134 AC_SUBST(CONFIG_CLEAN)
2135 AC_SUBST(CONFIG_INSTALL)
2136 AC_SUBST(CONFIG_UNINSTALL)
2138 # List of host floatformats.
2139 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2140 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2141 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2143 # target_subdir is used by the testsuite to find the target libraries.
2145 if test "${host}" != "${target}"; then
2146 target_subdir="${target_alias}/"
2148 AC_SUBST(target_subdir)
2151 if test "${gdb_native}" = "yes"; then
2152 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2153 if test ! -f ${host_makefile_frag}; then
2154 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2156 frags="$frags $host_makefile_frag"
2158 host_makefile_frag=/dev/null
2161 AC_SUBST_FILE(host_makefile_frag)
2165 if test "${gdb_native}" = "yes"; then
2166 # We pick this up from the host configuration file (.mh) because we
2167 # do not have a native configuration Makefile fragment.
2168 nativefile=`sed -n '
2169 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2170 ' ${host_makefile_frag}`
2174 if test x"${gdb_osabi}" != x ; then
2175 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2176 [Define to the default OS ABI for this configuration.])
2179 # Enable multi-ice-gdb-server.
2180 AC_ARG_ENABLE(multi-ice,
2181 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2185 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2187 if test "x$enable_multi_ice" = xyes; then
2188 AC_CONFIG_SUBDIRS(multi-ice)
2191 AC_ARG_ENABLE(gdbserver,
2192 AS_HELP_STRING([--enable-gdbserver],
2193 [automatically build gdbserver (yes/no/auto, default is auto)]),
2194 [case "${enableval}" in
2196 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2197 esac],[enable_gdbserver=auto])
2199 # We only build gdbserver automatically in a native configuration, and
2200 # only if the user did not explicitly disable its build.
2201 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2202 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2203 if test "x$build_gdbserver" = xyes; then
2205 AC_CONFIG_SUBDIRS(gdbserver)
2206 gdbserver_build_enabled=yes
2212 # If the user explicitly request the gdbserver to be built, verify that
2213 # we were in fact able to enable it.
2214 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2215 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2218 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2219 # to an empty version.
2225 if test "${nativefile}" != ""; then
2226 case "${nativefile}" in
2227 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2228 * ) GDB_NM_FILE="${nativefile}"
2230 files="${files} ${GDB_NM_FILE}"
2231 links="${links} nm.h"
2232 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2234 AC_SUBST(GDB_NM_FILE)
2236 AC_LINK_FILES($files, $links)
2238 dnl Check for exe extension set on certain hosts (e.g. Win32)
2241 dnl Detect the character set used by this host.
2242 dnl At the moment, we just assume it's UTF-8.
2243 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2244 [Define to be a string naming the default host character set.])
2246 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2248 case x$CONFIG_HEADERS in
2249 xconfig.h:config.in)