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 # Configure gnulib. We need to build gnulib under some other
51 # directory not "gnulib", to avoid the problem of both GDB and
52 # GDBserver wanting to build it in the same directory, when building
54 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
56 dnl List of object files and targets accumulated by configure.
68 dnl Set up for gettext.
69 ZW_GNU_GETTEXT_SISTER_DIR
71 localedir='${datadir}/locale'
74 if test x"$USE_NLS" = xyes; then
75 CONFIG_ALL="$CONFIG_ALL all-po"
76 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
77 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
78 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
81 GNULIB=build-gnulib/import
83 # For Makefile dependencies.
85 if test x"$STDINT_H" != x; then
86 GNULIB_STDINT_H=$GNULIB/$STDINT_H
88 AC_SUBST(GNULIB_STDINT_H)
91 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
94 # We never need to detect it in this sub-configure.
95 # But preserve it for config.status --recheck.
97 [Parent configure detects if it is of sufficient version.])
98 AC_ARG_VAR(MAKEINFOFLAGS,
99 [Parameters for MAKEINFO.])
101 MAKEINFO_EXTRA_FLAGS=""
102 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
103 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
104 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
105 gdb_cv_have_makeinfo_click=yes
107 gdb_cv_have_makeinfo_click=no
109 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
110 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
112 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
114 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
115 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
118 # We can't pass paths as command line arguments.
119 # Mingw32 tries to be clever and will convert the paths for us.
120 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
121 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
122 # This breaks GDB's relocatable path conversions since paths passed in
123 # config.h would not get so translated, the path prefixes no longer match.
124 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
126 # GDB's datadir relocation
128 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
129 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
132 AC_ARG_WITH(relocated-sources,
133 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
134 [reloc_srcdir="${withval}"
135 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
136 [Relocated directory for source files. ])
139 AC_MSG_CHECKING([for default auto-load safe-path])
140 AC_ARG_WITH(auto-load-safe-path,
141 AS_HELP_STRING([--with-auto-load-safe-path=PATH], [directories safe to hold auto-loaded files])
142 AS_HELP_STRING([--without-auto-load-safe-path], [do not restrict auto-loaded files locations]),
143 [if test "$with_auto_load_safe_path" = "no"; then
144 with_auto_load_safe_path="/"
146 [with_auto_load_safe_path="$prefix"])
147 AC_DEFINE_DIR(DEFAULT_AUTO_LOAD_SAFE_PATH, with_auto_load_safe_path,
148 [Directories safe to hold auto-loaded files.])
149 AC_MSG_RESULT([$with_auto_load_safe_path])
151 AC_CONFIG_SUBDIRS(testsuite)
153 # Check whether to support alternative target configurations
154 AC_ARG_ENABLE(targets,
155 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
156 [case "${enableval}" in
157 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
159 no) enable_targets= ;;
160 *) enable_targets=$enableval ;;
163 # Check whether to enable 64-bit support on 32-bit hosts
164 AC_ARG_ENABLE(64-bit-bfd,
165 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
166 [case "${enableval}" in
169 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
170 esac],[want64=false])dnl
172 # Provide defaults for some variables set by the per-host and per-target
174 gdb_host_obs=posix-hdep.o
176 if test "${target}" = "${host}"; then
182 . $srcdir/configure.host
184 # Accumulate some settings from configure.tgt over all enabled targets
189 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
191 if test "$targ_alias" = "all"; then
194 # Canonicalize the secondary target names.
195 result=`$ac_config_sub $targ_alias 2>/dev/null`
196 if test -n "$result"; then
202 . ${srcdir}/configure.tgt
204 AS_IF([test -z "${gdb_target_obs}"],
205 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
207 # Target-specific object files
208 for i in ${gdb_target_obs}; do
209 case " $TARGET_OBS " in
212 TARGET_OBS="$TARGET_OBS ${i}"
217 # Check whether this target needs 64-bit CORE_ADDR
218 if test x${want64} = xfalse; then
219 . ${srcdir}/../bfd/config.bfd
224 if test x${all_targets} = xtrue; then
226 # We want all 64-bit targets if we either:
227 # - run on a 64-bit host or
228 # - already require 64-bit support for some other target or
229 # - the --enable-64-bit-bfd option was supplied
230 # Otherwise we only support all 32-bit targets.
232 # NOTE: This test must be in sync with the corresponding
235 if test x${want64} = xfalse; then
236 AC_CHECK_SIZEOF(long)
237 if test "x${ac_cv_sizeof_long}" = "x8"; then
241 if test x${want64} = xtrue; then
242 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
244 TARGET_OBS='$(ALL_TARGET_OBS)'
250 # For other settings, only the main target counts.
254 targ=$target; . ${srcdir}/configure.tgt
256 # Fetch the default architecture and default target vector from BFD.
257 targ=$target; . $srcdir/../bfd/config.bfd
259 # We only want the first architecture, so strip off the others if
260 # there is more than one.
261 targ_archs=`echo $targ_archs | sed 's/ .*//'`
263 if test "x$targ_archs" != x; then
264 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
265 [Define to BFD's default architecture. ])
267 if test "x$targ_defvec" != x; then
268 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
269 [Define to BFD's default target vector. ])
272 # The CLI cannot be disabled yet, but may be in the future.
275 AC_ARG_ENABLE(gdbcli,
276 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
281 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
283 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
286 if test x"$enable_gdbcli" = xyes; then
287 if test -d $srcdir/cli; then
288 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
289 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
290 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
291 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
297 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
302 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
305 if test x"$enable_gdbmi" = xyes; then
306 if test -d $srcdir/mi; then
307 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
308 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
309 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
310 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
316 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
321 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
322 esac],enable_tui=auto)
326 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
331 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
333 [if test -d $srcdir/gdbtk; then
338 # We unconditionally disable gdbtk tests on selected platforms.
341 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
345 # Libunwind support for ia64.
347 AC_ARG_WITH(libunwind-ia64,
348 AS_HELP_STRING([--with-libunwind-ia64],
349 [use libunwind frame unwinding for ia64 targets]),,
350 [with_libunwind_ia64=auto])
352 # Backward compatibility option.
353 if test "${with_libunwind+set}" = set; then
354 if test x"$with_libunwind_ia64" != xauto; then
356 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
358 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
359 with_libunwind_ia64="$with_libunwind"
362 case "$with_libunwind_ia64" in
366 AC_CHECK_HEADERS(libunwind-ia64.h)
367 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
371 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
375 if test x"$with_libunwind_ia64" = xyes; then
376 AC_CHECK_HEADERS(libunwind-ia64.h)
377 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
378 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
380 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
381 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
382 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
386 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
389 if test "$opt_curses" = "yes"; then
394 AC_ARG_ENABLE(profiling,
395 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
400 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
402 [enable_profiling=no])
404 AC_CHECK_FUNCS(monstartup _mcleanup)
405 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
410 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
411 if test $ac_cv_var__etext = yes; then
412 AC_DEFINE(HAVE__ETEXT, 1,
413 [Define to 1 if your system has the _etext variable. ])
415 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
420 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
421 if test $ac_cv_var_etext = yes; then
422 AC_DEFINE(HAVE_ETEXT, 1,
423 [Define to 1 if your system has the etext variable. ])
425 if test "$enable_profiling" = yes ; then
426 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
427 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
431 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
433 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
434 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
435 ac_cv_cc_supports_pg=no)])
437 if test $ac_cv_cc_supports_pg = no; then
438 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
444 ACX_PKGVERSION([GDB])
445 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
446 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
447 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
449 # --------------------- #
450 # Checks for programs. #
451 # --------------------- #
459 AC_CHECK_TOOL(AR, ar)
460 AC_CHECK_TOOL(DLLTOOL, dlltool)
461 AC_CHECK_TOOL(WINDRES, windres)
463 # Needed for GNU/Hurd.
464 AC_CHECK_TOOL(MIG, mig)
466 # ---------------------- #
467 # Checks for libraries. #
468 # ---------------------- #
470 # We might need to link with -lm; most simulators need it.
471 AC_CHECK_LIB(m, main)
473 # We need to link with -lw to get `wctype' on Solaris before Solaris
474 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
475 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
476 # is known to have this problem). Therefore we avoid libw if we can.
477 AC_CHECK_FUNC(wctype, [],
478 [AC_CHECK_LIB(w, wctype)])
480 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
481 AC_SEARCH_LIBS(gethostbyname, nsl)
483 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
484 AC_SEARCH_LIBS(socketpair, socket)
486 # Link in zlib if we can. This allows us to read compressed debug sections.
489 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
490 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
494 # GDB may fork/exec the iconv program to get the list of supported character
495 # sets. Allow the user to specify where to find it.
496 # There are several factors affecting the choice of option name:
497 # - There is already --with-libiconv-prefix but we can't use it, it specifies
498 # the build-time location of libiconv files.
499 # - The program we need to find is iconv, which comes with glibc. The user
500 # doesn't necessarily have libiconv installed. Therefore naming this
501 # --with-libiconv-foo feels wrong.
502 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
503 # defined to work on directories not files (though it really doesn't know
505 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
506 # with --with-libiconv-prefix.
507 # Putting these together is why the option name is --with-iconv-bin.
509 AC_ARG_WITH(iconv-bin,
510 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
511 [iconv_bin="${withval}"
512 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
513 [Path of directory of iconv program.])
514 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
517 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
518 # There is a very specific comment in /usr/include/curses.h explaining that
519 # termcap routines built into libcurses must not be used.
521 # The symptoms we observed so far is GDB unexpectedly changing
522 # the terminal settings when tgetent is called - this is particularly
523 # visible as the output is missing carriage returns, and so rapidly
524 # becomes very hard to read.
526 # The readline configure script has already decided that libtermcap
527 # was enough for its purposes, and so decided to build readline using
528 # libtermcap. Since the TUI mode requires curses, building GDB with
529 # TUI enabled results in both libraries to be used at the same time,
530 # which is not allowed. This basically means that GDB with TUI is
531 # broken on alpha-osf.
535 if test x"$enable_tui" = xyes; then
536 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
538 if test x"$enable_tui" = xauto; then
544 # For the TUI, we need enhanced curses functionality.
545 if test x"$enable_tui" != xno; then
550 if test x"$prefer_curses" = xyes; then
551 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
552 # curses library because the latter might not provide all the
553 # functionality we need. However, this leads to problems on systems
554 # where the linker searches /usr/local/lib, but the compiler doesn't
555 # search /usr/local/include, if ncurses is installed in /usr/local. A
556 # default installation of ncurses on alpha*-dec-osf* will lead to such
558 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
560 if test "$ac_cv_search_waddstr" != no; then
565 # Check whether we should enable the TUI, but only do so if we really
567 if test x"$enable_tui" != xno; then
568 if test -d $srcdir/tui; then
569 if test "$curses_found" != no; then
570 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
571 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
572 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
573 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
575 if test x"$enable_tui" = xyes; then
576 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
578 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
584 # Since GDB uses Readline, we need termcap functionality. In many
585 # cases this will be provided by the curses library, but some systems
586 # have a seperate termcap library, or no curses library at all.
590 if test -d $srcdir/libtermcap; then
591 LIBS="../libtermcap/libtermcap.a $LIBS"
592 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
595 ac_cv_search_tgetent="none required"
598 ac_cv_search_tgetent="none required"
599 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
603 # These are the libraries checked by Readline.
604 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
606 if test "$ac_cv_search_tgetent" = no; then
607 AC_MSG_ERROR([no termcap library found])
610 AC_ARG_WITH([system-readline],
611 [AS_HELP_STRING([--with-system-readline],
612 [use installed readline library])])
614 if test "$with_system_readline" = yes; then
618 READLINE_TEXI_INCFLAG=
620 READLINE='$(READLINE_DIR)/libreadline.a'
621 READLINE_DEPS='$(READLINE)'
622 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
623 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
626 AC_SUBST(READLINE_DEPS)
627 AC_SUBST(READLINE_CFLAGS)
628 AC_SUBST(READLINE_TEXI_INCFLAG)
630 # Generate jit-reader.h
632 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
635 AC_CHECK_SIZEOF(unsigned long long)
636 AC_CHECK_SIZEOF(unsigned long)
637 AC_CHECK_SIZEOF(unsigned __int128)
639 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
640 TARGET_PTR="unsigned long"
641 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
642 TARGET_PTR="unsigned long long"
643 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
644 TARGET_PTR="unsigned __int128"
646 TARGET_PTR="unsigned long"
650 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
652 AC_SEARCH_LIBS(dlopen, dl)
654 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
655 [directory to load the JIT readers from],
659 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
660 [], [with_expat=auto])
661 AC_MSG_CHECKING([whether to use expat])
662 AC_MSG_RESULT([$with_expat])
664 if test "${with_expat}" = no; then
665 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
668 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
669 [XML_Parser p = XML_ParserCreate (0);])
670 if test "$HAVE_LIBEXPAT" != yes; then
671 if test "$with_expat" = yes; then
672 AC_MSG_ERROR([expat is missing or unusable])
674 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
678 LIBS="$LIBS $LIBEXPAT"
679 AC_CHECK_FUNCS(XML_StopParser)
684 dnl Utility to simplify finding libpython.
686 dnl $2 = the shell variable to assign the result to
687 dnl If libpython is found we store $version here.
688 dnl $3 = additional flags to add to CPPFLAGS
689 dnl $4 = additional flags to add to LIBS
691 AC_DEFUN([AC_TRY_LIBPYTHON],
694 define([have_libpython_var],$2)
697 AC_MSG_CHECKING([for ${version}])
698 save_CPPFLAGS=$CPPFLAGS
700 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
701 LIBS="$LIBS $new_LIBS"
702 found_usable_python=no
703 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
704 [[Py_Initialize ();]]),
705 [have_libpython_var=${version}
706 found_usable_python=yes
707 PYTHON_CPPFLAGS=$new_CPPFLAGS
708 PYTHON_LIBS=$new_LIBS])
709 CPPFLAGS=$save_CPPFLAGS
711 AC_MSG_RESULT([${found_usable_python}])
714 dnl There are several different values for --with-python:
716 dnl no - Don't include python support.
717 dnl yes - Include python support, error if it's missing.
718 dnl If we find python in $PATH, use it to fetch configure options,
719 dnl otherwise assume the compiler can find it with no help from us.
720 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
721 dnl auto - Same as "yes", but if python is missing from the system,
722 dnl fall back to "no".
723 dnl /path/to/python/exec-prefix -
724 dnl Use the python located in this directory.
725 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
726 dnl the compilation parameters. Otherwise use
727 dnl -I/path/to/python/exec-prefix/include,
728 dnl -L/path/to/python/exec-prefix/lib.
729 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
730 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
731 dnl but is deprecated.
732 dnl /path/to/python/executable -
733 dnl Run python-config.py with this version of python to fetch the
734 dnl compilation parameters.
735 dnl NOTE: This needn't be the real python executable.
736 dnl In a cross-compilation scenario (build != host), this could be
737 dnl a shell script that provides what python-config.py provides for
738 dnl --ldflags, --includes, --exec-prefix.
739 dnl python-executable -
740 dnl Find python-executable in $PATH, and then handle the same as
741 dnl /path/to/python/executable.
743 dnl If a python program is specified, it is used to run python-config.py and
744 dnl is passed --ldflags, --includes, --exec-prefix.
747 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
748 [], [with_python=auto])
749 AC_MSG_CHECKING([whether to use python])
750 AC_MSG_RESULT([$with_python])
752 if test "${with_python}" = no; then
753 AC_MSG_WARN([python support disabled; some features may be unavailable.])
756 case "${with_python}" in
757 [[\\/]]* | ?:[[\\/]]*)
758 if test -d ${with_python}; then
759 # Assume the python binary is ${with_python}/bin/python.
760 python_prog="${with_python}/bin/python"
762 # If python does not exit ${with_python}/bin, then try in
763 # ${with_python}. On Windows/MinGW, this is where the Python
765 if test ! -x "${python_prog}"; then
766 python_prog="${with_python}/python"
769 if test ! -x "${python_prog}"; then
770 # Fall back to gdb 7.0/7.1 behaviour.
772 python_prefix=${with_python}
774 elif test -x "${with_python}"; then
775 # While we can't run python compiled for $host (unless host == build),
776 # the user could write a script that provides the needed information,
777 # so we support that.
778 python_prog=${with_python}
781 AC_ERROR(invalid value for --with-python)
785 # Disallow --with-python=foo/bar.
786 AC_ERROR(invalid value for --with-python)
789 # The user has either specified auto, yes, or the name of the python
790 # program assumed to be in $PATH.
792 case "${with_python}" in
794 if test ${build} = ${host}; then
795 AC_PATH_PROG(python_prog_path, python, missing)
796 if test "${python_prog_path}" = missing; then
799 python_prog=${python_prog_path}
802 # Not much we can do except assume the cross-compiler will find the
808 # While we can't run python compiled for $host (unless host == build),
809 # the user could write a script that provides the needed information,
810 # so we support that.
811 python_prog="${with_python}"
812 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
813 if test "${python_prog_path}" = missing; then
814 AC_ERROR(unable to find python program ${python_prog})
820 if test "${python_prog}" != missing; then
821 # We have a python program to use, but it may be too old.
822 # Don't flag an error for --with-python=auto (the default).
823 have_python_config=yes
824 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
825 if test $? != 0; then
826 have_python_config=failed
827 if test "${with_python}" != auto; then
828 AC_ERROR(failure running python-config --includes)
831 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
832 if test $? != 0; then
833 have_python_config=failed
834 if test "${with_python}" != auto; then
835 AC_ERROR(failure running python-config --ldflags)
838 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
839 if test $? != 0; then
840 have_python_config=failed
841 if test "${with_python}" != auto; then
842 AC_ERROR(failure running python-config --exec-prefix)
846 # We do not have a python executable we can use to determine where
847 # to find the Python headers and libs. We cannot guess the include
848 # path from the python_prefix either, because that include path
849 # depends on the Python version. So, there is nothing much we can
850 # do except assume that the compiler will be able to find those files.
853 have_python_config=no
856 # If we have python-config, only try the configuration it provides.
857 # Otherwise fallback on the old way of trying different versions of
861 if test "${have_python_config}" = yes; then
862 # Determine the Python version by extracting "-lpython<version>"
863 # part of the python_libs. <version> is usually X.Y with X and Y
864 # being decimal numbers, but can also be XY (seen on Windows).
866 # The extraction is performed using sed with a regular expression.
867 # Initially, the regexp used was using the '?' quantifier to make
868 # the dot in the version number optional. Unfortunately, this
869 # does not work with non-GNU versions of sed because, because of
870 # what looks like a limitation (the '?' quantifier does not work
871 # with back-references). We work around this limitation by using
872 # the '*' quantifier instead. It means that, in theory, we might
873 # match unexpected version strings such as "-lpython2..7", but
874 # this seems unlikely in practice. And even if that happens,
875 # an error will be triggered later on, when checking that version
877 python_version=`echo " ${python_libs} " \
878 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
879 case "${python_version}" in
881 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
882 ${python_includes}, ${python_libs})
885 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
888 elif test "${have_python_config}" != failed; then
889 if test "${have_libpython}" = no; then
890 AC_TRY_LIBPYTHON(python2.7, have_libpython,
891 ${python_includes}, "${python_libs} -lpython2.7")
893 if test "${have_libpython}" = no; then
894 AC_TRY_LIBPYTHON(python2.6, have_libpython,
895 ${python_includes}, "${python_libs} -lpython2.6")
897 if test ${have_libpython} = no; then
898 AC_TRY_LIBPYTHON(python2.5, have_libpython,
899 ${python_includes}, "${python_libs} -lpython2.5")
901 if test ${have_libpython} = no; then
902 AC_TRY_LIBPYTHON(python2.4, have_libpython,
903 ${python_includes}, "${python_libs} -lpython2.4")
906 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
907 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
908 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
909 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
910 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
911 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
912 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
913 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
916 if test "${have_libpython}" = no; then
917 case "${with_python}" in
919 AC_MSG_ERROR([python is missing or unusable])
922 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
925 AC_MSG_ERROR([no usable python found at ${with_python}])
929 if test -n "${python_prefix}"; then
930 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
931 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
932 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
937 if test "${have_libpython}" != no; then
938 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
939 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
940 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
941 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
942 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
943 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
945 # Flags needed to compile Python code (taken from python-config --cflags).
946 # We cannot call python-config directly because it will output whatever was
947 # used when compiling the Python interpreter itself, including flags which
948 # would make the python-related objects be compiled differently from the
949 # rest of GDB (e.g., -O2 and -fPIC).
950 if test "${GCC}" = yes; then
951 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
954 if test "x${tentative_python_cflags}" != x; then
955 AC_MSG_CHECKING(compiler flags for python code)
956 for flag in ${tentative_python_cflags}; do
957 # Check that the compiler accepts it
958 saved_CFLAGS="$CFLAGS"
959 CFLAGS="$CFLAGS $flag"
960 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
961 CFLAGS="$saved_CFLAGS"
963 AC_MSG_RESULT(${PYTHON_CFLAGS})
966 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
968 # #define siginfo __siginfo
970 # The problem is that including Python causes some XOPEN macros to be
971 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
972 # to false. So, we work around this issue by defining siginfo ourself
973 # though the command-line.
975 irix*) if test "${GCC}" = yes; then
976 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
981 # Even if Python support is not compiled in, we need to have these files
983 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
984 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
985 python/py-prettyprint.c python/py-auto-load.c"
987 AC_SUBST(PYTHON_CFLAGS)
988 AC_SUBST(PYTHON_CPPFLAGS)
989 AC_SUBST(PYTHON_LIBS)
991 # ------------------------- #
992 # Checks for header files. #
993 # ------------------------- #
998 # elf_hp.h is for HP/UX 64-bit shared library support.
999 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
1000 # unconditionally, so what's the point in checking these?
1001 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1002 thread_db.h gnu/libc-version.h signal.h stddef.h \
1003 stdlib.h string.h memory.h strings.h sys/fault.h \
1004 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1005 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1006 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1007 sys/types.h sys/wait.h wait.h termios.h termio.h \
1008 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
1009 dlfcn.h sys/socket.h sys/un.h])
1010 AC_CHECK_HEADERS(link.h, [], [],
1011 [#if HAVE_SYS_TYPES_H
1012 # include <sys/types.h>
1018 AC_CHECK_HEADERS(sys/proc.h, [], [],
1019 [#if HAVE_SYS_PARAM_H
1020 # include <sys/param.h>
1023 AC_CHECK_HEADERS(sys/user.h, [], [],
1024 [#if HAVE_SYS_PARAM_H
1025 # include <sys/param.h>
1029 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1030 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1031 # think that we don't have <curses.h> if we're using GCC.
1034 if test "$GCC" = yes; then
1035 AC_DEFINE(_MSE_INT_H, 1,
1036 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1037 Solaris 2.[789] when using GCC. ])
1040 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1041 AC_CHECK_HEADERS(term.h, [], [],
1043 # include <curses.h>
1047 # ------------------------- #
1048 # Checks for declarations. #
1049 # ------------------------- #
1051 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1052 snprintf, vsnprintf])
1055 # ----------------------- #
1056 # Checks for structures. #
1057 # ----------------------- #
1059 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1061 # ------------------ #
1062 # Checks for types. #
1063 # ------------------ #
1066 AC_CHECK_TYPES(socklen_t, [], [],
1067 [#include <sys/types.h>
1068 #include <sys/socket.h>
1071 # ------------------------------------- #
1072 # Checks for compiler characteristics. #
1073 # ------------------------------------- #
1079 # ------------------------------ #
1080 # Checks for library functions. #
1081 # ------------------------------ #
1086 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1087 pipe poll pread pread64 pwrite readlink resize_term \
1088 sbrk setpgid setpgrp setsid \
1089 sigaction sigprocmask sigsetmask socketpair syscall \
1090 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1091 setrlimit getrlimit posix_madvise waitpid lstat])
1094 # Check the return and argument types of ptrace. No canned test for
1095 # this, so roll our own.
1096 gdb_ptrace_headers='
1097 #if HAVE_SYS_TYPES_H
1098 # include <sys/types.h>
1100 #if HAVE_SYS_PTRACE_H
1101 # include <sys/ptrace.h>
1104 # include <unistd.h>
1107 # There is no point in checking if we don't have a prototype.
1108 AC_CHECK_DECLS(ptrace, [], [
1109 : ${gdb_cv_func_ptrace_ret='int'}
1110 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1111 ], $gdb_ptrace_headers)
1112 # Check return type. Varargs (used on GNU/Linux) conflict with the
1113 # empty argument list, so check for that explicitly.
1114 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1115 AC_TRY_COMPILE($gdb_ptrace_headers,
1116 [extern long ptrace (enum __ptrace_request, ...);],
1117 gdb_cv_func_ptrace_ret='long',
1118 AC_TRY_COMPILE($gdb_ptrace_headers,
1119 [extern int ptrace ();],
1120 gdb_cv_func_ptrace_ret='int',
1121 gdb_cv_func_ptrace_ret='long')))
1122 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1123 [Define as the return type of ptrace.])
1124 # Check argument types.
1125 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1126 AC_TRY_COMPILE($gdb_ptrace_headers,
1127 [extern long ptrace (enum __ptrace_request, ...);],
1128 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1129 for gdb_arg1 in 'int' 'long'; do
1130 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1131 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1132 for gdb_arg4 in 'int' 'long'; do
1133 AC_TRY_COMPILE($gdb_ptrace_headers, [
1134 extern $gdb_cv_func_ptrace_ret
1135 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1136 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1138 for gdb_arg5 in 'int *' 'int' 'long'; do
1139 AC_TRY_COMPILE($gdb_ptrace_headers, [
1140 extern $gdb_cv_func_ptrace_ret
1141 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1143 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1150 # Provide a safe default value.
1151 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1153 ac_save_IFS=$IFS; IFS=','
1154 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1157 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1158 [Define to the type of arg 3 for ptrace.])
1159 if test -n "$[5]"; then
1160 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1161 [Define to the type of arg 5 for ptrace.])
1164 dnl AC_FUNC_SETPGRP does not work when cross compiling
1165 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1166 if test "$cross_compiling" = no; then
1169 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1173 if (setpgrp(1,1) == -1)
1177 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1178 if test $ac_cv_func_setpgrp_void = yes; then
1179 AC_DEFINE(SETPGRP_VOID, 1)
1183 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1184 # since sigsetjmp might only be defined as a macro.
1185 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1188 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1189 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1190 if test $gdb_cv_func_sigsetjmp = yes; then
1191 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1194 # Assume we'll default to using the included libiberty regex.
1195 gdb_use_included_regex=yes
1197 # However, if the system regex is GNU regex, then default to *not*
1198 # using the included regex.
1201 [gdb_cv_have_gnu_regex],
1203 [#include <gnu-versions.h>],
1204 [#define REGEX_INTERFACE_VERSION 1
1205 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1206 # error "Version mismatch"
1208 gdb_cv_have_gnu_regex=yes,
1209 gdb_cv_have_gnu_regex=no)])
1210 if test $gdb_cv_have_gnu_regex = yes; then
1211 gdb_use_included_regex=no
1214 AC_ARG_WITH(included-regex,
1215 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1216 gdb_with_regex=$withval,
1217 gdb_with_regex=$gdb_use_included_regex)
1218 if test "$gdb_with_regex" = yes; then
1219 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1220 [Define to 1 if the regex included in libiberty should be used.])
1223 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1224 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1225 [#include <sys/param.h>
1226 #include <sys/proc.h>
1229 # See if <sys/lwp.h> defines `struct lwp`.
1230 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1231 [AC_TRY_COMPILE([#include <sys/param.h>
1232 #include <sys/lwp.h>], [struct lwp l;],
1233 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1234 if test $gdb_cv_struct_lwp = yes; then
1235 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1236 [Define to 1 if your system has struct lwp.])
1239 # See if <machine/reg.h> degines `struct reg'.
1240 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1241 [AC_TRY_COMPILE([#include <sys/types.h>
1242 #include <machine/reg.h>], [struct reg r;],
1243 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1244 if test $gdb_cv_struct_reg = yes; then
1245 AC_DEFINE(HAVE_STRUCT_REG, 1,
1246 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1249 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1250 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1251 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1252 [#include <machine/reg.h>])
1254 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1255 AC_MSG_CHECKING(for PTRACE_GETREGS)
1256 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1257 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1259 [gdb_cv_have_ptrace_getregs=yes],
1260 [gdb_cv_have_ptrace_getregs=no])])
1261 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1262 if test $gdb_cv_have_ptrace_getregs = yes; then
1263 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1264 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1267 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1268 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1269 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1270 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1271 [PTRACE_GETFPXREGS;],
1272 [gdb_cv_have_ptrace_getfpxregs=yes],
1273 [gdb_cv_have_ptrace_getfpxregs=no])])
1274 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1275 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1276 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1277 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1280 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1281 AC_MSG_CHECKING(for PT_GETDBREGS)
1282 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1283 [AC_TRY_COMPILE([#include <sys/types.h>
1284 #include <sys/ptrace.h>],
1286 [gdb_cv_have_pt_getdbregs=yes],
1287 [gdb_cv_have_pt_getdbregs=no])])
1288 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1289 if test $gdb_cv_have_pt_getdbregs = yes; then
1290 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1291 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1294 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1295 AC_MSG_CHECKING(for PT_GETXMMREGS)
1296 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1297 [AC_TRY_COMPILE([#include <sys/types.h>
1298 #include <sys/ptrace.h>],
1300 [gdb_cv_have_pt_getxmmregs=yes],
1301 [gdb_cv_have_pt_getxmmregs=no])])
1302 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1303 if test $gdb_cv_have_pt_getxmmregs = yes; then
1304 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1305 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1308 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1310 if test "${target}" = "${host}"; then
1312 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1313 AC_DEFINE(NEW_PROC_API, 1,
1314 [Define if you want to use new multi-fd /proc interface
1315 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1317 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1318 AC_DEFINE(NEW_PROC_API, 1,
1319 [Define if you want to use new multi-fd /proc interface
1320 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1323 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1324 AC_DEFINE([_KMEMUSER], 1,
1325 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1326 around a <sys/proc.h> problem on IRIX 5.])
1331 if test "$ac_cv_header_sys_procfs_h" = yes; then
1332 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1333 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1334 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1335 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1336 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1337 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1338 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1339 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1340 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1341 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1342 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1343 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1344 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1345 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1348 dnl Check for broken prfpregset_t type
1350 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1351 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1352 dnl instead of the struct itself). We detect this here, and work
1353 dnl around it in gdb_proc_service.h.
1355 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1356 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1357 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1358 [AC_TRY_RUN([#include <sys/procfs.h>
1361 if (sizeof (prfpregset_t) == sizeof (void *))
1365 gdb_cv_prfpregset_t_broken=no,
1366 gdb_cv_prfpregset_t_broken=yes,
1367 gdb_cv_prfpregset_t_broken=yes)])
1368 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1369 if test $gdb_cv_prfpregset_t_broken = yes; then
1370 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1371 [Define if the prfpregset_t type is broken.])
1375 dnl Check for PIOCSET ioctl entry
1377 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1378 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1379 [AC_TRY_COMPILE([#include <unistd.h>
1380 #include <sys/types.h>
1381 #include <sys/procfs.h>
1384 dummy = ioctl(0, PIOCSET, &dummy);
1386 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1387 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1388 if test $gdb_cv_have_procfs_piocset = yes; then
1389 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1390 [Define if ioctl argument PIOCSET is available.])
1394 dnl For native ports (host == target), check to see what kind of
1395 dnl legacy link.h support is needed. (See solib-legacy.c.)
1396 if test ${host} = ${target} ; then
1397 dnl Check for struct link_map with l_ members which are indicative
1398 dnl of SVR4-like shared libraries
1400 AC_MSG_CHECKING(for member l_addr in struct link_map)
1401 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1402 [AC_TRY_COMPILE([#include <link.h>],
1403 [struct link_map lm; (void) lm.l_addr;],
1404 gdb_cv_have_struct_link_map_with_l_members=yes,
1405 gdb_cv_have_struct_link_map_with_l_members=no)])
1406 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1407 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1408 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1409 [Define if <link.h> exists and defines struct link_map which has
1410 members with an ``l_'' prefix. (For Solaris, SVR4, and
1411 SVR4-like systems.)])
1414 dnl Check for struct link_map with lm_ members which are indicative
1415 dnl of SunOS-like shared libraries
1417 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1418 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1419 [AC_TRY_COMPILE([#include <sys/types.h>
1421 [struct link_map lm; (void) lm.lm_addr;],
1422 gdb_cv_have_struct_link_map_with_lm_members=yes,
1423 gdb_cv_have_struct_link_map_with_lm_members=no)])
1424 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1425 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1426 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1427 [Define if <link.h> exists and defines struct link_map which has
1428 members with an ``lm_'' prefix. (For SunOS.)])
1431 dnl Check for struct so_map with som_ members which are found on
1432 dnl some *BSD systems.
1434 AC_MSG_CHECKING(for member som_addr in struct so_map)
1435 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1436 [AC_TRY_COMPILE([#include <sys/types.h>
1441 [struct so_map lm; (void) lm.som_addr;],
1442 gdb_cv_have_struct_so_map_with_som_members=yes,
1443 gdb_cv_have_struct_so_map_with_som_members=no)])
1444 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1445 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1446 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1447 [Define if <link.h> exists and defines a struct so_map which has
1448 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1451 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1452 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1454 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1455 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1456 [AC_TRY_COMPILE([#define _SYSCALL32
1457 #include <sys/link.h>], [struct link_map32 l;],
1458 gdb_cv_have_struct_link_map32=yes,
1459 gdb_cv_have_struct_link_map32=no)])
1460 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1461 if test $gdb_cv_have_struct_link_map32 = yes; then
1462 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1463 [Define if <sys/link.h> has struct link_map32])
1464 AC_DEFINE(_SYSCALL32, 1,
1465 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1469 # Check if the compiler supports the `long long' type.
1471 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1472 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1473 [[extern long long foo;]],
1474 [[switch (foo & 2) { case 0: return 1; }]])],
1475 gdb_cv_c_long_long=yes,
1476 gdb_cv_c_long_long=no)])
1477 if test $gdb_cv_c_long_long = yes; then
1478 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1479 [Define to 1 if the compiler supports long long.])
1482 # Check if the compiler and runtime support printing long longs.
1484 AC_CACHE_CHECK([for long long support in printf],
1485 gdb_cv_printf_has_long_long,
1486 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1489 l = (l << 16) + 0x0123;
1490 l = (l << 16) + 0x4567;
1491 l = (l << 16) + 0x89ab;
1492 l = (l << 16) + 0xcdef;
1493 sprintf (buf, "0x%016llx", l);
1494 return (strcmp ("0x0123456789abcdef", buf));]])],
1495 gdb_cv_printf_has_long_long=yes,
1496 gdb_cv_printf_has_long_long=no,
1497 gdb_cv_printf_has_long_long=no)])
1498 if test $gdb_cv_printf_has_long_long = yes; then
1499 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1500 [Define to 1 if the "%ll" format works to print long longs.])
1503 # Check if the compiler and runtime support printing decfloats.
1505 AC_CACHE_CHECK([for decfloat support in printf],
1506 gdb_cv_printf_has_decfloat,
1507 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1509 _Decimal32 d32 = 1.2345df;
1510 _Decimal64 d64 = 1.2345dd;
1511 _Decimal128 d128 = 1.2345dl;
1512 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1513 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1514 gdb_cv_printf_has_decfloat=yes,
1515 gdb_cv_printf_has_decfloat=no,
1516 gdb_cv_printf_has_decfloat=no)])
1517 if test $gdb_cv_printf_has_decfloat = yes; then
1518 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1519 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1522 # Check if the compiler supports the `long double' type. We can't use
1523 # AC_C_LONG_DOUBLE because that one does additional checks on the
1524 # constants defined in <float.h> that fail on some systems,
1525 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1527 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1528 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1529 gdb_cv_c_long_double=yes,
1530 gdb_cv_c_long_double=no)])
1531 if test $gdb_cv_c_long_double = yes; then
1532 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1533 [Define to 1 if the compiler supports long double.])
1536 # Check if the compiler and runtime support printing long doubles.
1538 AC_CACHE_CHECK([for long double support in printf],
1539 gdb_cv_printf_has_long_double,
1540 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1542 long double f = 3.141592653;
1543 sprintf (buf, "%Lg", f);
1544 return (strncmp ("3.14159", buf, 7));]])],
1545 gdb_cv_printf_has_long_double=yes,
1546 gdb_cv_printf_has_long_double=no,
1547 gdb_cv_printf_has_long_double=no)])
1548 if test $gdb_cv_printf_has_long_double = yes; then
1549 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1550 [Define to 1 if the "%Lg" format works to print long doubles.])
1553 # Check if the compiler and runtime support scanning long doubles.
1555 AC_CACHE_CHECK([for long double support in scanf],
1556 gdb_cv_scanf_has_long_double,
1557 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1558 [[#include <stdio.h>]],
1559 [[char *buf = "3.141592653";
1561 sscanf (buf, "%Lg", &f);
1562 return !(f > 3.14159 && f < 3.14160);]])],
1563 gdb_cv_scanf_has_long_double=yes,
1564 gdb_cv_scanf_has_long_double=no,
1565 gdb_cv_scanf_has_long_double=no)])
1566 if test $gdb_cv_scanf_has_long_double = yes; then
1567 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1568 [Define to 1 if the "%Lg" format works to scan long doubles.])
1573 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1574 SAVE_LDFLAGS=$LDFLAGS
1577 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1578 *) gdb_cv_bigtoc=-bbigtoc ;;
1581 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1582 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1583 LDFLAGS="${SAVE_LDFLAGS}"
1585 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1589 AC_MSG_CHECKING(for the dynamic export flag)
1591 if test "${gdb_native}" = yes; then
1592 # The dynamically loaded libthread_db needs access to symbols in the gdb
1593 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1594 # may not be supported there.
1595 old_LDFLAGS="$LDFLAGS"
1596 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1597 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1598 LDFLAGS="$LDFLAGS $RDYNAMIC"
1599 if test "${have_libpython}" = no; then
1600 AC_TRY_LINK([], [], [dynamic_list=true])
1602 # Workaround http://bugs.python.org/issue4434 where static
1603 # libpythonX.Y.a would get its symbols required for
1604 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1605 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1606 old_CFLAGS="$CFLAGS"
1607 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1610 [#include "]${have_libpython}[/Python.h"],
1613 err = PyRun_SimpleString ("import itertools\n");
1615 return err == 0 ? 0 : 1;]),
1616 [dynamic_list=true], [], [true])
1617 CFLAGS="$old_CFLAGS"
1619 LDFLAGS="$old_LDFLAGS"
1621 if $dynamic_list; then
1622 found="-Wl,--dynamic-list"
1623 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1626 RDYNAMIC="-rdynamic"
1629 AC_MSG_RESULT($found)
1631 dnl For certain native configurations, we need to check whether thread
1632 dnl support can be built in or not.
1634 dnl Note that we only want this if we are both native (host == target),
1635 dnl and not doing a canadian cross build (build == host).
1637 if test ${build} = ${host} -a ${host} = ${target} ; then
1640 # See if thread_db library is around for Solaris thread debugging.
1641 # Note that we must explicitly test for version 1 of the library
1642 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1644 AC_MSG_CHECKING(for Solaris thread debugging library)
1645 if test -f /usr/lib/libthread_db.so.1 ; then
1647 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1648 [Define if using Solaris thread debugging.])
1649 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1650 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1651 AC_CHECK_LIB(dl, dlopen)
1652 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1653 # Sun randomly tweaked the prototypes in <proc_service.h>
1655 AC_MSG_CHECKING(if <proc_service.h> is old)
1656 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1658 #include <proc_service.h>
1660 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1661 ],, gdb_cv_proc_service_is_old=no,
1662 gdb_cv_proc_service_is_old=yes)
1664 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1665 if test $gdb_cv_proc_service_is_old = yes; then
1666 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1667 [Define if <proc_service.h> on solaris uses int instead of
1668 size_t, and assorted other type changes.])
1675 AC_MSG_CHECKING(for AiX thread debugging library)
1676 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1677 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1678 [#ifndef PTHDB_VERSION_3
1681 gdb_cv_have_aix_thread_debug=yes,
1682 gdb_cv_have_aix_thread_debug=no)])
1683 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1684 if test $gdb_cv_have_aix_thread_debug = yes; then
1685 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1686 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1687 LIBS="$LIBS -lpthdebug"
1689 # Older versions of AIX do not provide the declaration for
1690 # the getthrds function (it appears that it was introduced
1692 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1696 AC_SUBST(CONFIG_LDFLAGS)
1699 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1700 dnl other error codes.
1701 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1702 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1703 gdb_cv_thread_db_h_has_td_notalloc,
1705 [#include <thread_db.h>],
1706 [int i = TD_NOTALLOC;],
1707 gdb_cv_thread_db_h_has_td_notalloc=yes,
1708 gdb_cv_thread_db_h_has_td_notalloc=no
1711 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1712 gdb_cv_thread_db_h_has_td_version,
1714 [#include <thread_db.h>],
1715 [int i = TD_VERSION;],
1716 gdb_cv_thread_db_h_has_td_version=yes,
1717 gdb_cv_thread_db_h_has_td_version=no
1720 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1721 gdb_cv_thread_db_h_has_td_notls,
1723 [#include <thread_db.h>],
1724 [int i = TD_NOTLS;],
1725 gdb_cv_thread_db_h_has_td_notls=yes,
1726 gdb_cv_thread_db_h_has_td_notls=no
1730 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1731 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1732 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1734 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1735 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1736 [Define if <thread_db.h> has the TD_VERSION error code.])
1738 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1739 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1740 [Define if <thread_db.h> has the TD_NOTLS error code.])
1743 dnl See if we have a sys/syscall header file that has __NR_tkill.
1744 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1745 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1746 gdb_cv_sys_syscall_h_has_tkill,
1748 [#include <sys/syscall.h>],
1749 [int i = __NR_tkill;],
1750 gdb_cv_sys_syscall_h_has_tkill=yes,
1751 gdb_cv_sys_syscall_h_has_tkill=no
1755 dnl See if we can issue tkill syscall.
1756 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1757 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1760 dnl Check if we can disable the virtual address space randomization.
1761 dnl The functionality of setarch -R.
1762 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1763 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1764 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1765 # define ADDR_NO_RANDOMIZE 0x0040000
1767 /* Test the flag could be set and stays set. */
1768 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1769 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1771 AC_RUN_IFELSE([PERSONALITY_TEST],
1772 [have_personality=true],
1773 [have_personality=false],
1774 [AC_LINK_IFELSE([PERSONALITY_TEST],
1775 [have_personality=true],
1776 [have_personality=false])])
1777 if $have_personality
1779 AC_DEFINE([HAVE_PERSONALITY], 1,
1780 [Define if you support the personality syscall.])
1783 dnl Handle optional features that can be enabled.
1785 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1786 # except that the argument to --with-sysroot is optional.
1787 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1788 if test "x$with_sysroot" = xyes; then
1789 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1791 AC_ARG_WITH(sysroot,
1792 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1793 [search for usr/lib et al within DIR]),
1794 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1795 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1796 [search for usr/lib et al within DIR])
1797 AC_SUBST(TARGET_SYSTEM_ROOT)
1798 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1800 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1801 [automatically load a system-wide gdbinit file],
1804 AC_ARG_ENABLE(werror,
1805 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1806 [case "${enableval}" in
1807 yes | y) ERROR_ON_WARNING="yes" ;;
1808 no | n) ERROR_ON_WARNING="no" ;;
1809 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1812 # Enable -Werror by default when using gcc
1813 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1814 ERROR_ON_WARNING=yes
1818 if test "${ERROR_ON_WARNING}" = yes ; then
1819 WERROR_CFLAGS="-Werror"
1822 # The entries after -Wno-pointer-sign are disabled warnings which may
1823 # be enabled in the future, which can not currently be used to build
1825 # NOTE: If you change this list, remember to update
1826 # gdb/doc/gdbint.texinfo.
1827 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1828 -Wformat-nonliteral -Wno-pointer-sign \
1829 -Wno-unused -Wunused-value -Wunused-function \
1830 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes"
1832 # Enable -Wno-format by default when using gcc on mingw since many
1833 # GCC versions complain about %I64.
1835 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1838 AC_ARG_ENABLE(build-warnings,
1839 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1840 [case "${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 compiler warning flags = $build_warnings" 6>&1
1852 AC_ARG_ENABLE(gdb-build-warnings,
1853 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1854 [case "${enableval}" in
1856 no) build_warnings="-w";;
1857 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1858 build_warnings="${build_warnings} ${t}";;
1859 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1860 build_warnings="${t} ${build_warnings}";;
1861 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1863 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1864 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1867 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1869 AC_MSG_CHECKING(compiler warning flags)
1870 # Separate out the -Werror flag as some files just cannot be
1871 # compiled with it enabled.
1872 for w in ${build_warnings}; do
1874 -Werr*) WERROR_CFLAGS=-Werror ;;
1875 *) # Check that GCC accepts it
1876 saved_CFLAGS="$CFLAGS"
1878 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1879 CFLAGS="$saved_CFLAGS"
1882 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1884 AC_SUBST(WARN_CFLAGS)
1885 AC_SUBST(WERROR_CFLAGS)
1887 # In the Cygwin environment, we need some additional flags.
1888 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1889 [AC_EGREP_CPP(lose, [
1890 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1892 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1895 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1896 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1898 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1899 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1900 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1902 AC_SUBST(SER_HARDWIRE)
1904 # libreadline needs libuser32.a in a cygwin environment
1906 if test x$gdb_cv_os_cygwin = xyes; then
1907 WIN32LIBS="-luser32"
1909 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1914 # The ser-tcp.c module requires sockets.
1917 AC_DEFINE(USE_WIN32API, 1,
1918 [Define if we should use the Windows API, instead of the
1919 POSIX API. On Windows, we use the Windows API when
1920 building for MinGW, but the POSIX API when building
1922 WIN32LIBS="$WIN32LIBS -lws2_32"
1927 # Add ELF support to GDB, but only if BFD includes ELF support.
1929 OLD_LDFLAGS=$LDFLAGS
1931 # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
1932 # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
1933 # always want our bfd.
1934 CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
1935 LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
1936 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1937 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1938 if test "$plugins" = "yes"; then
1941 LIBS="-lbfd -liberty $intl $LIBS"
1942 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1944 [#include <stdlib.h>
1946 #include "elf-bfd.h"
1948 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1949 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1950 if test $gdb_cv_var_elf = yes; then
1951 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
1952 AC_DEFINE(HAVE_ELF, 1,
1953 [Define if ELF support should be included.])
1954 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1955 if test "$plugins" = "yes"; then
1956 OLD_LIBS="-ldl $OLD_LIBS"
1960 LDFLAGS=$OLD_LDFLAGS
1963 # Add any host-specific objects to GDB.
1964 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1966 LIBGUI="../libgui/src/libgui.a"
1967 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1969 AC_SUBST(GUI_CFLAGS_X)
1973 AC_SUBST(WIN32LDAPP)
1976 *-*-cygwin* | *-*-mingw* )
1985 if test "${enable_gdbtk}" = "yes"; then
1987 # Gdbtk must have an absolute path to srcdir in order to run
1988 # properly when not installed.
1996 # If $no_tk is nonempty, then we can't do Tk, and there is no
1997 # point to doing Tcl.
2000 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2003 # Check for in-tree tcl
2010 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2014 # Find Tcl private headers
2015 if test x"${intree}" = xno; then
2016 CY_AC_TCL_PRIVATE_HEADERS
2017 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2018 TCL_LIBRARY="${TCL_LIB_SPEC}"
2021 # If building tcl in the same src tree, private headers
2022 # are not needed, but we need to be sure to use the right
2024 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2025 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2026 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2028 AC_SUBST(TCL_INCLUDE)
2029 AC_SUBST(TCL_LIBRARY)
2034 # Check for in-tree Tk
2036 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2040 # Find Tk private headers
2041 if test x"${intree}" = xno; then
2042 CY_AC_TK_PRIVATE_HEADERS
2043 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2044 TK_LIBRARY=${TK_LIB_SPEC}
2047 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2048 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2049 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2051 AC_SUBST(TK_INCLUDE)
2052 AC_SUBST(TK_LIBRARY)
2054 AC_SUBST(TK_XINCLUDES)
2056 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2058 # Include some libraries that Tcl and Tk want.
2059 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2060 # Yes, the ordering seems wrong here. But it isn't.
2061 # TK_LIBS is the list of libraries that need to be linked
2062 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2063 # were in LIBS then any link tests after this point would
2064 # try to include things like `$(LIBGUI)', which wouldn't work.
2065 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2067 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2068 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2069 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2070 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2071 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2072 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2073 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2075 if test x$gdb_cv_os_cygwin = xyes; then
2076 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2077 WIN32LDAPP="-Wl,--subsystem,console"
2078 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2081 AC_CONFIG_SUBDIRS(gdbtk)
2089 AC_SUBST(GDBTK_CFLAGS)
2090 AC_SUBST(GDBTK_SRC_DIR)
2094 # Unlike the sim directory, whether a simulator is linked is controlled by
2095 # presence of a gdb_sim definition in the target configure.tgt entry.
2096 # This code just checks for a few cases where we'd like to ignore those
2097 # definitions, even when they're present in the '.mt' file. These cases
2098 # are when --disable-sim is specified, or if the simulator directory is
2099 # not part of the source tree.
2102 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2103 [echo "enable_sim = $enable_sim";
2104 echo "enableval = ${enableval}";
2105 case "${enableval}" in
2106 yes) ignore_sim=false ;;
2107 no) ignore_sim=true ;;
2108 *) ignore_sim=false ;;
2112 if test ! -d "${srcdir}/../sim"; then
2118 if test "${ignore_sim}" = "false"; then
2119 if test x"${gdb_sim}" != x ; then
2121 SIM_OBS="remote-sim.o"
2122 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2128 AC_SUBST(ENABLE_CFLAGS)
2129 AC_SUBST(PROFILE_CFLAGS)
2131 AC_SUBST(CONFIG_OBS)
2132 AC_SUBST(CONFIG_DEPS)
2133 AC_SUBST(CONFIG_SRCS)
2134 AC_SUBST(CONFIG_ALL)
2135 AC_SUBST(CONFIG_CLEAN)
2136 AC_SUBST(CONFIG_INSTALL)
2137 AC_SUBST(CONFIG_UNINSTALL)
2139 # List of host floatformats.
2140 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2141 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2142 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2144 # target_subdir is used by the testsuite to find the target libraries.
2146 if test "${host}" != "${target}"; then
2147 target_subdir="${target_alias}/"
2149 AC_SUBST(target_subdir)
2152 if test "${gdb_native}" = "yes"; then
2153 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2154 if test ! -f ${host_makefile_frag}; then
2155 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2157 frags="$frags $host_makefile_frag"
2159 host_makefile_frag=/dev/null
2162 AC_SUBST_FILE(host_makefile_frag)
2166 if test "${gdb_native}" = "yes"; then
2167 # We pick this up from the host configuration file (.mh) because we
2168 # do not have a native configuration Makefile fragment.
2169 nativefile=`sed -n '
2170 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2171 ' ${host_makefile_frag}`
2175 if test x"${gdb_osabi}" != x ; then
2176 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2177 [Define to the default OS ABI for this configuration.])
2180 # Enable multi-ice-gdb-server.
2181 AC_ARG_ENABLE(multi-ice,
2182 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2186 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2188 if test "x$enable_multi_ice" = xyes; then
2189 AC_CONFIG_SUBDIRS(multi-ice)
2192 AC_ARG_ENABLE(gdbserver,
2193 AS_HELP_STRING([--enable-gdbserver],
2194 [automatically build gdbserver (yes/no/auto, default is auto)]),
2195 [case "${enableval}" in
2197 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2198 esac],[enable_gdbserver=auto])
2200 # We only build gdbserver automatically in a native configuration, and
2201 # only if the user did not explicitly disable its build.
2202 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2203 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2204 if test "x$build_gdbserver" = xyes; then
2206 AC_CONFIG_SUBDIRS(gdbserver)
2207 gdbserver_build_enabled=yes
2213 # If the user explicitly request the gdbserver to be built, verify that
2214 # we were in fact able to enable it.
2215 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2216 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2219 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2220 # to an empty version.
2226 if test "${nativefile}" != ""; then
2227 case "${nativefile}" in
2228 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2229 * ) GDB_NM_FILE="${nativefile}"
2231 files="${files} ${GDB_NM_FILE}"
2232 links="${links} nm.h"
2233 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2235 AC_SUBST(GDB_NM_FILE)
2237 AC_LINK_FILES($files, $links)
2239 dnl Check for exe extension set on certain hosts (e.g. Win32)
2242 dnl Detect the character set used by this host.
2243 dnl At the moment, we just assume it's UTF-8.
2244 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2245 [Define to be a string naming the default host character set.])
2247 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2249 case x$CONFIG_HEADERS in
2250 xconfig.h:config.in)