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],
142 [directories safe to hold auto-loaded files, use $ddir for --with-gdb-datadir path @<:@$ddir/auto-load@:>@])
143 AS_HELP_STRING([--without-auto-load-safe-path],
144 [do not restrict auto-loaded files locations]),
145 [if test "$with_auto_load_safe_path" = "no"; then
146 with_auto_load_safe_path="/"
148 [with_auto_load_safe_path='$ddir/auto-load'])
149 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]ddir\>/\\\\\\\\\\\\&/g'`
150 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
151 [Directories safe to hold auto-loaded files.])
152 AC_MSG_RESULT([$with_auto_load_safe_path])
154 AC_CONFIG_SUBDIRS(testsuite)
156 # Check whether to support alternative target configurations
157 AC_ARG_ENABLE(targets,
158 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
159 [case "${enableval}" in
160 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
162 no) enable_targets= ;;
163 *) enable_targets=$enableval ;;
166 # Check whether to enable 64-bit support on 32-bit hosts
167 AC_ARG_ENABLE(64-bit-bfd,
168 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
169 [case "${enableval}" in
172 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
173 esac],[want64=false])dnl
175 # Provide defaults for some variables set by the per-host and per-target
177 gdb_host_obs=posix-hdep.o
179 if test "${target}" = "${host}"; then
185 . $srcdir/configure.host
187 # Accumulate some settings from configure.tgt over all enabled targets
192 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
194 if test "$targ_alias" = "all"; then
197 # Canonicalize the secondary target names.
198 result=`$ac_config_sub $targ_alias 2>/dev/null`
199 if test -n "$result"; then
205 . ${srcdir}/configure.tgt
207 AS_IF([test -z "${gdb_target_obs}"],
208 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
210 # Target-specific object files
211 for i in ${gdb_target_obs}; do
212 case " $TARGET_OBS " in
215 TARGET_OBS="$TARGET_OBS ${i}"
220 # Check whether this target needs 64-bit CORE_ADDR
221 if test x${want64} = xfalse; then
222 . ${srcdir}/../bfd/config.bfd
227 if test x${all_targets} = xtrue; then
229 # We want all 64-bit targets if we either:
230 # - run on a 64-bit host or
231 # - already require 64-bit support for some other target or
232 # - the --enable-64-bit-bfd option was supplied
233 # Otherwise we only support all 32-bit targets.
235 # NOTE: This test must be in sync with the corresponding
238 if test x${want64} = xfalse; then
239 AC_CHECK_SIZEOF(long)
240 if test "x${ac_cv_sizeof_long}" = "x8"; then
244 if test x${want64} = xtrue; then
245 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
247 TARGET_OBS='$(ALL_TARGET_OBS)'
253 # For other settings, only the main target counts.
257 targ=$target; . ${srcdir}/configure.tgt
259 # Fetch the default architecture and default target vector from BFD.
260 targ=$target; . $srcdir/../bfd/config.bfd
262 # We only want the first architecture, so strip off the others if
263 # there is more than one.
264 targ_archs=`echo $targ_archs | sed 's/ .*//'`
266 if test "x$targ_archs" != x; then
267 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
268 [Define to BFD's default architecture. ])
270 if test "x$targ_defvec" != x; then
271 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
272 [Define to BFD's default target vector. ])
275 # The CLI cannot be disabled yet, but may be in the future.
278 AC_ARG_ENABLE(gdbcli,
279 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
284 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
286 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
289 if test x"$enable_gdbcli" = xyes; then
290 if test -d $srcdir/cli; then
291 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
292 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
293 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
294 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
300 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
305 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
308 if test x"$enable_gdbmi" = xyes; then
309 if test -d $srcdir/mi; then
310 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
311 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
312 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
313 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
319 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
324 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
325 esac],enable_tui=auto)
329 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
334 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
336 [if test -d $srcdir/gdbtk; then
341 # We unconditionally disable gdbtk tests on selected platforms.
344 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
348 # Libunwind support for ia64.
350 AC_ARG_WITH(libunwind-ia64,
351 AS_HELP_STRING([--with-libunwind-ia64],
352 [use libunwind frame unwinding for ia64 targets]),,
353 [with_libunwind_ia64=auto])
355 # Backward compatibility option.
356 if test "${with_libunwind+set}" = set; then
357 if test x"$with_libunwind_ia64" != xauto; then
359 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
361 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
362 with_libunwind_ia64="$with_libunwind"
365 case "$with_libunwind_ia64" in
369 AC_CHECK_HEADERS(libunwind-ia64.h)
370 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
374 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
378 if test x"$with_libunwind_ia64" = xyes; then
379 AC_CHECK_HEADERS(libunwind-ia64.h)
380 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
381 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
383 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
384 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
385 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
389 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
392 if test "$opt_curses" = "yes"; then
397 AC_ARG_ENABLE(profiling,
398 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
403 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
405 [enable_profiling=no])
407 AC_CHECK_FUNCS(monstartup _mcleanup)
408 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
413 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
414 if test $ac_cv_var__etext = yes; then
415 AC_DEFINE(HAVE__ETEXT, 1,
416 [Define to 1 if your system has the _etext variable. ])
418 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
423 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
424 if test $ac_cv_var_etext = yes; then
425 AC_DEFINE(HAVE_ETEXT, 1,
426 [Define to 1 if your system has the etext variable. ])
428 if test "$enable_profiling" = yes ; then
429 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
430 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
434 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
436 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
437 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
438 ac_cv_cc_supports_pg=no)])
440 if test $ac_cv_cc_supports_pg = no; then
441 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
447 ACX_PKGVERSION([GDB])
448 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
449 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
450 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
452 # --------------------- #
453 # Checks for programs. #
454 # --------------------- #
462 AC_CHECK_TOOL(AR, ar)
463 AC_CHECK_TOOL(DLLTOOL, dlltool)
464 AC_CHECK_TOOL(WINDRES, windres)
466 # Needed for GNU/Hurd.
467 AC_CHECK_TOOL(MIG, mig)
469 # ---------------------- #
470 # Checks for libraries. #
471 # ---------------------- #
473 # We might need to link with -lm; most simulators need it.
474 AC_CHECK_LIB(m, main)
476 # We need to link with -lw to get `wctype' on Solaris before Solaris
477 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
478 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
479 # is known to have this problem). Therefore we avoid libw if we can.
480 AC_CHECK_FUNC(wctype, [],
481 [AC_CHECK_LIB(w, wctype)])
483 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
484 AC_SEARCH_LIBS(gethostbyname, nsl)
486 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
487 AC_SEARCH_LIBS(socketpair, socket)
489 # Link in zlib if we can. This allows us to read compressed debug sections.
492 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
493 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
497 # GDB may fork/exec the iconv program to get the list of supported character
498 # sets. Allow the user to specify where to find it.
499 # There are several factors affecting the choice of option name:
500 # - There is already --with-libiconv-prefix but we can't use it, it specifies
501 # the build-time location of libiconv files.
502 # - The program we need to find is iconv, which comes with glibc. The user
503 # doesn't necessarily have libiconv installed. Therefore naming this
504 # --with-libiconv-foo feels wrong.
505 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
506 # defined to work on directories not files (though it really doesn't know
508 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
509 # with --with-libiconv-prefix.
510 # Putting these together is why the option name is --with-iconv-bin.
512 AC_ARG_WITH(iconv-bin,
513 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
514 [iconv_bin="${withval}"
515 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
516 [Path of directory of iconv program.])
517 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
520 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
521 # There is a very specific comment in /usr/include/curses.h explaining that
522 # termcap routines built into libcurses must not be used.
524 # The symptoms we observed so far is GDB unexpectedly changing
525 # the terminal settings when tgetent is called - this is particularly
526 # visible as the output is missing carriage returns, and so rapidly
527 # becomes very hard to read.
529 # The readline configure script has already decided that libtermcap
530 # was enough for its purposes, and so decided to build readline using
531 # libtermcap. Since the TUI mode requires curses, building GDB with
532 # TUI enabled results in both libraries to be used at the same time,
533 # which is not allowed. This basically means that GDB with TUI is
534 # broken on alpha-osf.
538 if test x"$enable_tui" = xyes; then
539 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
541 if test x"$enable_tui" = xauto; then
547 # For the TUI, we need enhanced curses functionality.
548 if test x"$enable_tui" != xno; then
553 if test x"$prefer_curses" = xyes; then
554 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
555 # curses library because the latter might not provide all the
556 # functionality we need. However, this leads to problems on systems
557 # where the linker searches /usr/local/lib, but the compiler doesn't
558 # search /usr/local/include, if ncurses is installed in /usr/local. A
559 # default installation of ncurses on alpha*-dec-osf* will lead to such
561 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
563 if test "$ac_cv_search_waddstr" != no; then
568 # Check whether we should enable the TUI, but only do so if we really
570 if test x"$enable_tui" != xno; then
571 if test -d $srcdir/tui; then
572 if test "$curses_found" != no; then
573 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
574 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
575 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
576 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
578 if test x"$enable_tui" = xyes; then
579 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
581 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
587 # Since GDB uses Readline, we need termcap functionality. In many
588 # cases this will be provided by the curses library, but some systems
589 # have a seperate termcap library, or no curses library at all.
593 if test -d $srcdir/libtermcap; then
594 LIBS="../libtermcap/libtermcap.a $LIBS"
595 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
598 ac_cv_search_tgetent="none required"
601 ac_cv_search_tgetent="none required"
602 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
606 # These are the libraries checked by Readline.
607 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
609 if test "$ac_cv_search_tgetent" = no; then
610 AC_MSG_ERROR([no termcap library found])
613 AC_ARG_WITH([system-readline],
614 [AS_HELP_STRING([--with-system-readline],
615 [use installed readline library])])
617 if test "$with_system_readline" = yes; then
621 READLINE_TEXI_INCFLAG=
623 READLINE='$(READLINE_DIR)/libreadline.a'
624 READLINE_DEPS='$(READLINE)'
625 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
626 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
629 AC_SUBST(READLINE_DEPS)
630 AC_SUBST(READLINE_CFLAGS)
631 AC_SUBST(READLINE_TEXI_INCFLAG)
633 # Generate jit-reader.h
635 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
638 AC_CHECK_SIZEOF(unsigned long long)
639 AC_CHECK_SIZEOF(unsigned long)
640 AC_CHECK_SIZEOF(unsigned __int128)
642 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
643 TARGET_PTR="unsigned long"
644 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
645 TARGET_PTR="unsigned long long"
646 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
647 TARGET_PTR="unsigned __int128"
649 TARGET_PTR="unsigned long"
653 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
655 AC_SEARCH_LIBS(dlopen, dl)
657 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
658 [directory to load the JIT readers from],
662 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
663 [], [with_expat=auto])
664 AC_MSG_CHECKING([whether to use expat])
665 AC_MSG_RESULT([$with_expat])
667 if test "${with_expat}" = no; then
668 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
671 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
672 [XML_Parser p = XML_ParserCreate (0);])
673 if test "$HAVE_LIBEXPAT" != yes; then
674 if test "$with_expat" = yes; then
675 AC_MSG_ERROR([expat is missing or unusable])
677 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
681 LIBS="$LIBS $LIBEXPAT"
682 AC_CHECK_FUNCS(XML_StopParser)
687 dnl Utility to simplify finding libpython.
689 dnl $2 = the shell variable to assign the result to
690 dnl If libpython is found we store $version here.
691 dnl $3 = additional flags to add to CPPFLAGS
692 dnl $4 = additional flags to add to LIBS
694 AC_DEFUN([AC_TRY_LIBPYTHON],
697 define([have_libpython_var],$2)
700 AC_MSG_CHECKING([for ${version}])
701 save_CPPFLAGS=$CPPFLAGS
703 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
704 LIBS="$LIBS $new_LIBS"
705 found_usable_python=no
706 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
707 [[Py_Initialize ();]]),
708 [have_libpython_var=${version}
709 found_usable_python=yes
710 PYTHON_CPPFLAGS=$new_CPPFLAGS
711 PYTHON_LIBS=$new_LIBS])
712 CPPFLAGS=$save_CPPFLAGS
714 AC_MSG_RESULT([${found_usable_python}])
717 dnl There are several different values for --with-python:
719 dnl no - Don't include python support.
720 dnl yes - Include python support, error if it's missing.
721 dnl If we find python in $PATH, use it to fetch configure options,
722 dnl otherwise assume the compiler can find it with no help from us.
723 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
724 dnl auto - Same as "yes", but if python is missing from the system,
725 dnl fall back to "no".
726 dnl /path/to/python/exec-prefix -
727 dnl Use the python located in this directory.
728 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
729 dnl the compilation parameters. Otherwise use
730 dnl -I/path/to/python/exec-prefix/include,
731 dnl -L/path/to/python/exec-prefix/lib.
732 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
733 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
734 dnl but is deprecated.
735 dnl /path/to/python/executable -
736 dnl Run python-config.py with this version of python to fetch the
737 dnl compilation parameters.
738 dnl NOTE: This needn't be the real python executable.
739 dnl In a cross-compilation scenario (build != host), this could be
740 dnl a shell script that provides what python-config.py provides for
741 dnl --ldflags, --includes, --exec-prefix.
742 dnl python-executable -
743 dnl Find python-executable in $PATH, and then handle the same as
744 dnl /path/to/python/executable.
746 dnl If a python program is specified, it is used to run python-config.py and
747 dnl is passed --ldflags, --includes, --exec-prefix.
750 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
751 [], [with_python=auto])
752 AC_MSG_CHECKING([whether to use python])
753 AC_MSG_RESULT([$with_python])
755 if test "${with_python}" = no; then
756 AC_MSG_WARN([python support disabled; some features may be unavailable.])
759 case "${with_python}" in
760 [[\\/]]* | ?:[[\\/]]*)
761 if test -d ${with_python}; then
762 # Assume the python binary is ${with_python}/bin/python.
763 python_prog="${with_python}/bin/python"
765 # If python does not exit ${with_python}/bin, then try in
766 # ${with_python}. On Windows/MinGW, this is where the Python
768 if test ! -x "${python_prog}"; then
769 python_prog="${with_python}/python"
772 if test ! -x "${python_prog}"; then
773 # Fall back to gdb 7.0/7.1 behaviour.
775 python_prefix=${with_python}
777 elif test -x "${with_python}"; then
778 # While we can't run python compiled for $host (unless host == build),
779 # the user could write a script that provides the needed information,
780 # so we support that.
781 python_prog=${with_python}
784 AC_ERROR(invalid value for --with-python)
788 # Disallow --with-python=foo/bar.
789 AC_ERROR(invalid value for --with-python)
792 # The user has either specified auto, yes, or the name of the python
793 # program assumed to be in $PATH.
795 case "${with_python}" in
797 if test ${build} = ${host}; then
798 AC_PATH_PROG(python_prog_path, python, missing)
799 if test "${python_prog_path}" = missing; then
802 python_prog=${python_prog_path}
805 # Not much we can do except assume the cross-compiler will find the
811 # While we can't run python compiled for $host (unless host == build),
812 # the user could write a script that provides the needed information,
813 # so we support that.
814 python_prog="${with_python}"
815 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
816 if test "${python_prog_path}" = missing; then
817 AC_ERROR(unable to find python program ${python_prog})
823 if test "${python_prog}" != missing; then
824 # We have a python program to use, but it may be too old.
825 # Don't flag an error for --with-python=auto (the default).
826 have_python_config=yes
827 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
828 if test $? != 0; then
829 have_python_config=failed
830 if test "${with_python}" != auto; then
831 AC_ERROR(failure running python-config --includes)
834 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
835 if test $? != 0; then
836 have_python_config=failed
837 if test "${with_python}" != auto; then
838 AC_ERROR(failure running python-config --ldflags)
841 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
842 if test $? != 0; then
843 have_python_config=failed
844 if test "${with_python}" != auto; then
845 AC_ERROR(failure running python-config --exec-prefix)
849 # We do not have a python executable we can use to determine where
850 # to find the Python headers and libs. We cannot guess the include
851 # path from the python_prefix either, because that include path
852 # depends on the Python version. So, there is nothing much we can
853 # do except assume that the compiler will be able to find those files.
856 have_python_config=no
859 # If we have python-config, only try the configuration it provides.
860 # Otherwise fallback on the old way of trying different versions of
864 if test "${have_python_config}" = yes; then
865 # Determine the Python version by extracting "-lpython<version>"
866 # part of the python_libs. <version> is usually X.Y with X and Y
867 # being decimal numbers, but can also be XY (seen on Windows).
869 # The extraction is performed using sed with a regular expression.
870 # Initially, the regexp used was using the '?' quantifier to make
871 # the dot in the version number optional. Unfortunately, this
872 # does not work with non-GNU versions of sed because, because of
873 # what looks like a limitation (the '?' quantifier does not work
874 # with back-references). We work around this limitation by using
875 # the '*' quantifier instead. It means that, in theory, we might
876 # match unexpected version strings such as "-lpython2..7", but
877 # this seems unlikely in practice. And even if that happens,
878 # an error will be triggered later on, when checking that version
880 python_version=`echo " ${python_libs} " \
881 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
882 case "${python_version}" in
884 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
885 ${python_includes}, ${python_libs})
888 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
891 elif test "${have_python_config}" != failed; then
892 if test "${have_libpython}" = no; then
893 AC_TRY_LIBPYTHON(python2.7, have_libpython,
894 ${python_includes}, "${python_libs} -lpython2.7")
896 if test "${have_libpython}" = no; then
897 AC_TRY_LIBPYTHON(python2.6, have_libpython,
898 ${python_includes}, "${python_libs} -lpython2.6")
900 if test ${have_libpython} = no; then
901 AC_TRY_LIBPYTHON(python2.5, have_libpython,
902 ${python_includes}, "${python_libs} -lpython2.5")
904 if test ${have_libpython} = no; then
905 AC_TRY_LIBPYTHON(python2.4, have_libpython,
906 ${python_includes}, "${python_libs} -lpython2.4")
909 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
910 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
911 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
912 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
913 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
914 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
915 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
916 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
919 if test "${have_libpython}" = no; then
920 case "${with_python}" in
922 AC_MSG_ERROR([python is missing or unusable])
925 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
928 AC_MSG_ERROR([no usable python found at ${with_python}])
932 if test -n "${python_prefix}"; then
933 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
934 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
935 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
940 if test "${have_libpython}" != no; then
941 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
942 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
943 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
944 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
945 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
946 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
948 # Flags needed to compile Python code (taken from python-config --cflags).
949 # We cannot call python-config directly because it will output whatever was
950 # used when compiling the Python interpreter itself, including flags which
951 # would make the python-related objects be compiled differently from the
952 # rest of GDB (e.g., -O2 and -fPIC).
953 if test "${GCC}" = yes; then
954 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
957 if test "x${tentative_python_cflags}" != x; then
958 AC_MSG_CHECKING(compiler flags for python code)
959 for flag in ${tentative_python_cflags}; do
960 # Check that the compiler accepts it
961 saved_CFLAGS="$CFLAGS"
962 CFLAGS="$CFLAGS $flag"
963 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
964 CFLAGS="$saved_CFLAGS"
966 AC_MSG_RESULT(${PYTHON_CFLAGS})
969 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
971 # #define siginfo __siginfo
973 # The problem is that including Python causes some XOPEN macros to be
974 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
975 # to false. So, we work around this issue by defining siginfo ourself
976 # though the command-line.
978 irix*) if test "${GCC}" = yes; then
979 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
984 # Even if Python support is not compiled in, we need to have these files
986 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
987 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
988 python/py-prettyprint.c python/py-auto-load.c"
990 AC_SUBST(PYTHON_CFLAGS)
991 AC_SUBST(PYTHON_CPPFLAGS)
992 AC_SUBST(PYTHON_LIBS)
994 # ------------------------- #
995 # Checks for header files. #
996 # ------------------------- #
1001 # elf_hp.h is for HP/UX 64-bit shared library support.
1002 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
1003 # unconditionally, so what's the point in checking these?
1004 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1005 thread_db.h gnu/libc-version.h signal.h stddef.h \
1006 stdlib.h string.h memory.h strings.h sys/fault.h \
1007 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1008 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1009 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1010 sys/types.h sys/wait.h wait.h termios.h termio.h \
1011 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
1012 dlfcn.h sys/socket.h sys/un.h])
1013 AC_CHECK_HEADERS(link.h, [], [],
1014 [#if HAVE_SYS_TYPES_H
1015 # include <sys/types.h>
1021 AC_CHECK_HEADERS(sys/proc.h, [], [],
1022 [#if HAVE_SYS_PARAM_H
1023 # include <sys/param.h>
1026 AC_CHECK_HEADERS(sys/user.h, [], [],
1027 [#if HAVE_SYS_PARAM_H
1028 # include <sys/param.h>
1032 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1033 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1034 # think that we don't have <curses.h> if we're using GCC.
1037 if test "$GCC" = yes; then
1038 AC_DEFINE(_MSE_INT_H, 1,
1039 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1040 Solaris 2.[789] when using GCC. ])
1043 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1044 AC_CHECK_HEADERS(term.h, [], [],
1046 # include <curses.h>
1050 # ------------------------- #
1051 # Checks for declarations. #
1052 # ------------------------- #
1054 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
1055 snprintf, vsnprintf])
1058 # ----------------------- #
1059 # Checks for structures. #
1060 # ----------------------- #
1062 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1064 # ------------------ #
1065 # Checks for types. #
1066 # ------------------ #
1069 AC_CHECK_TYPES(socklen_t, [], [],
1070 [#include <sys/types.h>
1071 #include <sys/socket.h>
1074 # ------------------------------------- #
1075 # Checks for compiler characteristics. #
1076 # ------------------------------------- #
1082 # ------------------------------ #
1083 # Checks for library functions. #
1084 # ------------------------------ #
1089 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1090 pipe poll pread pread64 pwrite readlink resize_term \
1091 sbrk setpgid setpgrp setsid \
1092 sigaction sigprocmask sigsetmask socketpair syscall \
1093 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1094 setrlimit getrlimit posix_madvise waitpid lstat])
1097 # Check the return and argument types of ptrace. No canned test for
1098 # this, so roll our own.
1099 gdb_ptrace_headers='
1100 #if HAVE_SYS_TYPES_H
1101 # include <sys/types.h>
1103 #if HAVE_SYS_PTRACE_H
1104 # include <sys/ptrace.h>
1107 # include <unistd.h>
1110 # There is no point in checking if we don't have a prototype.
1111 AC_CHECK_DECLS(ptrace, [], [
1112 : ${gdb_cv_func_ptrace_ret='int'}
1113 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1114 ], $gdb_ptrace_headers)
1115 # Check return type. Varargs (used on GNU/Linux) conflict with the
1116 # empty argument list, so check for that explicitly.
1117 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1118 AC_TRY_COMPILE($gdb_ptrace_headers,
1119 [extern long ptrace (enum __ptrace_request, ...);],
1120 gdb_cv_func_ptrace_ret='long',
1121 AC_TRY_COMPILE($gdb_ptrace_headers,
1122 [extern int ptrace ();],
1123 gdb_cv_func_ptrace_ret='int',
1124 gdb_cv_func_ptrace_ret='long')))
1125 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1126 [Define as the return type of ptrace.])
1127 # Check argument types.
1128 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1129 AC_TRY_COMPILE($gdb_ptrace_headers,
1130 [extern long ptrace (enum __ptrace_request, ...);],
1131 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1132 for gdb_arg1 in 'int' 'long'; do
1133 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1134 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1135 for gdb_arg4 in 'int' 'long'; do
1136 AC_TRY_COMPILE($gdb_ptrace_headers, [
1137 extern $gdb_cv_func_ptrace_ret
1138 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1139 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1141 for gdb_arg5 in 'int *' 'int' 'long'; do
1142 AC_TRY_COMPILE($gdb_ptrace_headers, [
1143 extern $gdb_cv_func_ptrace_ret
1144 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1146 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1153 # Provide a safe default value.
1154 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1156 ac_save_IFS=$IFS; IFS=','
1157 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1160 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1161 [Define to the type of arg 3 for ptrace.])
1162 if test -n "$[5]"; then
1163 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1164 [Define to the type of arg 5 for ptrace.])
1167 dnl AC_FUNC_SETPGRP does not work when cross compiling
1168 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1169 if test "$cross_compiling" = no; then
1172 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1176 if (setpgrp(1,1) == -1)
1180 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1181 if test $ac_cv_func_setpgrp_void = yes; then
1182 AC_DEFINE(SETPGRP_VOID, 1)
1186 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1187 # since sigsetjmp might only be defined as a macro.
1188 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1191 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1192 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1193 if test $gdb_cv_func_sigsetjmp = yes; then
1194 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1197 # Assume we'll default to using the included libiberty regex.
1198 gdb_use_included_regex=yes
1200 # However, if the system regex is GNU regex, then default to *not*
1201 # using the included regex.
1204 [gdb_cv_have_gnu_regex],
1206 [#include <gnu-versions.h>],
1207 [#define REGEX_INTERFACE_VERSION 1
1208 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1209 # error "Version mismatch"
1211 gdb_cv_have_gnu_regex=yes,
1212 gdb_cv_have_gnu_regex=no)])
1213 if test $gdb_cv_have_gnu_regex = yes; then
1214 gdb_use_included_regex=no
1217 AC_ARG_WITH(included-regex,
1218 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1219 gdb_with_regex=$withval,
1220 gdb_with_regex=$gdb_use_included_regex)
1221 if test "$gdb_with_regex" = yes; then
1222 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1223 [Define to 1 if the regex included in libiberty should be used.])
1226 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1227 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1228 [#include <sys/param.h>
1229 #include <sys/proc.h>
1232 # See if <sys/lwp.h> defines `struct lwp`.
1233 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1234 [AC_TRY_COMPILE([#include <sys/param.h>
1235 #include <sys/lwp.h>], [struct lwp l;],
1236 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1237 if test $gdb_cv_struct_lwp = yes; then
1238 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1239 [Define to 1 if your system has struct lwp.])
1242 # See if <machine/reg.h> degines `struct reg'.
1243 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1244 [AC_TRY_COMPILE([#include <sys/types.h>
1245 #include <machine/reg.h>], [struct reg r;],
1246 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1247 if test $gdb_cv_struct_reg = yes; then
1248 AC_DEFINE(HAVE_STRUCT_REG, 1,
1249 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1252 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1253 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1254 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1255 [#include <machine/reg.h>])
1257 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1258 AC_MSG_CHECKING(for PTRACE_GETREGS)
1259 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1260 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1262 [gdb_cv_have_ptrace_getregs=yes],
1263 [gdb_cv_have_ptrace_getregs=no])])
1264 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1265 if test $gdb_cv_have_ptrace_getregs = yes; then
1266 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1267 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1270 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1271 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1272 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1273 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1274 [PTRACE_GETFPXREGS;],
1275 [gdb_cv_have_ptrace_getfpxregs=yes],
1276 [gdb_cv_have_ptrace_getfpxregs=no])])
1277 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1278 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1279 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1280 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1283 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1284 AC_MSG_CHECKING(for PT_GETDBREGS)
1285 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1286 [AC_TRY_COMPILE([#include <sys/types.h>
1287 #include <sys/ptrace.h>],
1289 [gdb_cv_have_pt_getdbregs=yes],
1290 [gdb_cv_have_pt_getdbregs=no])])
1291 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1292 if test $gdb_cv_have_pt_getdbregs = yes; then
1293 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1294 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1297 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1298 AC_MSG_CHECKING(for PT_GETXMMREGS)
1299 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1300 [AC_TRY_COMPILE([#include <sys/types.h>
1301 #include <sys/ptrace.h>],
1303 [gdb_cv_have_pt_getxmmregs=yes],
1304 [gdb_cv_have_pt_getxmmregs=no])])
1305 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1306 if test $gdb_cv_have_pt_getxmmregs = yes; then
1307 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1308 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1311 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1313 if test "${target}" = "${host}"; then
1315 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1316 AC_DEFINE(NEW_PROC_API, 1,
1317 [Define if you want to use new multi-fd /proc interface
1318 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1320 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1321 AC_DEFINE(NEW_PROC_API, 1,
1322 [Define if you want to use new multi-fd /proc interface
1323 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1326 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1327 AC_DEFINE([_KMEMUSER], 1,
1328 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1329 around a <sys/proc.h> problem on IRIX 5.])
1334 if test "$ac_cv_header_sys_procfs_h" = yes; then
1335 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1336 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1337 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1338 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1339 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1340 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1341 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1342 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1343 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1344 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1345 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1346 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1347 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1348 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1351 dnl Check for broken prfpregset_t type
1353 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1354 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1355 dnl instead of the struct itself). We detect this here, and work
1356 dnl around it in gdb_proc_service.h.
1358 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1359 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1360 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1361 [AC_TRY_RUN([#include <sys/procfs.h>
1364 if (sizeof (prfpregset_t) == sizeof (void *))
1368 gdb_cv_prfpregset_t_broken=no,
1369 gdb_cv_prfpregset_t_broken=yes,
1370 gdb_cv_prfpregset_t_broken=yes)])
1371 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1372 if test $gdb_cv_prfpregset_t_broken = yes; then
1373 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1374 [Define if the prfpregset_t type is broken.])
1378 dnl Check for PIOCSET ioctl entry
1380 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1381 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1382 [AC_TRY_COMPILE([#include <unistd.h>
1383 #include <sys/types.h>
1384 #include <sys/procfs.h>
1387 dummy = ioctl(0, PIOCSET, &dummy);
1389 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1390 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1391 if test $gdb_cv_have_procfs_piocset = yes; then
1392 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1393 [Define if ioctl argument PIOCSET is available.])
1397 dnl For native ports (host == target), check to see what kind of
1398 dnl legacy link.h support is needed. (See solib-legacy.c.)
1399 if test ${host} = ${target} ; then
1400 dnl Check for struct link_map with l_ members which are indicative
1401 dnl of SVR4-like shared libraries
1403 AC_MSG_CHECKING(for member l_addr in struct link_map)
1404 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1405 [AC_TRY_COMPILE([#include <link.h>],
1406 [struct link_map lm; (void) lm.l_addr;],
1407 gdb_cv_have_struct_link_map_with_l_members=yes,
1408 gdb_cv_have_struct_link_map_with_l_members=no)])
1409 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1410 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1411 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1412 [Define if <link.h> exists and defines struct link_map which has
1413 members with an ``l_'' prefix. (For Solaris, SVR4, and
1414 SVR4-like systems.)])
1417 dnl Check for struct link_map with lm_ members which are indicative
1418 dnl of SunOS-like shared libraries
1420 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1421 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1422 [AC_TRY_COMPILE([#include <sys/types.h>
1424 [struct link_map lm; (void) lm.lm_addr;],
1425 gdb_cv_have_struct_link_map_with_lm_members=yes,
1426 gdb_cv_have_struct_link_map_with_lm_members=no)])
1427 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1428 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1429 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1430 [Define if <link.h> exists and defines struct link_map which has
1431 members with an ``lm_'' prefix. (For SunOS.)])
1434 dnl Check for struct so_map with som_ members which are found on
1435 dnl some *BSD systems.
1437 AC_MSG_CHECKING(for member som_addr in struct so_map)
1438 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1439 [AC_TRY_COMPILE([#include <sys/types.h>
1444 [struct so_map lm; (void) lm.som_addr;],
1445 gdb_cv_have_struct_so_map_with_som_members=yes,
1446 gdb_cv_have_struct_so_map_with_som_members=no)])
1447 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1448 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1449 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1450 [Define if <link.h> exists and defines a struct so_map which has
1451 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1454 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1455 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1457 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1458 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1459 [AC_TRY_COMPILE([#define _SYSCALL32
1460 #include <sys/link.h>], [struct link_map32 l;],
1461 gdb_cv_have_struct_link_map32=yes,
1462 gdb_cv_have_struct_link_map32=no)])
1463 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1464 if test $gdb_cv_have_struct_link_map32 = yes; then
1465 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1466 [Define if <sys/link.h> has struct link_map32])
1467 AC_DEFINE(_SYSCALL32, 1,
1468 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1472 # Check if the compiler supports the `long long' type.
1474 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1475 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1476 [[extern long long foo;]],
1477 [[switch (foo & 2) { case 0: return 1; }]])],
1478 gdb_cv_c_long_long=yes,
1479 gdb_cv_c_long_long=no)])
1480 if test $gdb_cv_c_long_long = yes; then
1481 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1482 [Define to 1 if the compiler supports long long.])
1485 # Check if the compiler and runtime support printing long longs.
1487 AC_CACHE_CHECK([for long long support in printf],
1488 gdb_cv_printf_has_long_long,
1489 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1492 l = (l << 16) + 0x0123;
1493 l = (l << 16) + 0x4567;
1494 l = (l << 16) + 0x89ab;
1495 l = (l << 16) + 0xcdef;
1496 sprintf (buf, "0x%016llx", l);
1497 return (strcmp ("0x0123456789abcdef", buf));]])],
1498 gdb_cv_printf_has_long_long=yes,
1499 gdb_cv_printf_has_long_long=no,
1500 gdb_cv_printf_has_long_long=no)])
1501 if test $gdb_cv_printf_has_long_long = yes; then
1502 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1503 [Define to 1 if the "%ll" format works to print long longs.])
1506 # Check if the compiler and runtime support printing decfloats.
1508 AC_CACHE_CHECK([for decfloat support in printf],
1509 gdb_cv_printf_has_decfloat,
1510 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1512 _Decimal32 d32 = 1.2345df;
1513 _Decimal64 d64 = 1.2345dd;
1514 _Decimal128 d128 = 1.2345dl;
1515 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1516 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1517 gdb_cv_printf_has_decfloat=yes,
1518 gdb_cv_printf_has_decfloat=no,
1519 gdb_cv_printf_has_decfloat=no)])
1520 if test $gdb_cv_printf_has_decfloat = yes; then
1521 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1522 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1525 # Check if the compiler supports the `long double' type. We can't use
1526 # AC_C_LONG_DOUBLE because that one does additional checks on the
1527 # constants defined in <float.h> that fail on some systems,
1528 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1530 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1531 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1532 gdb_cv_c_long_double=yes,
1533 gdb_cv_c_long_double=no)])
1534 if test $gdb_cv_c_long_double = yes; then
1535 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1536 [Define to 1 if the compiler supports long double.])
1539 # Check if the compiler and runtime support printing long doubles.
1541 AC_CACHE_CHECK([for long double support in printf],
1542 gdb_cv_printf_has_long_double,
1543 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1545 long double f = 3.141592653;
1546 sprintf (buf, "%Lg", f);
1547 return (strncmp ("3.14159", buf, 7));]])],
1548 gdb_cv_printf_has_long_double=yes,
1549 gdb_cv_printf_has_long_double=no,
1550 gdb_cv_printf_has_long_double=no)])
1551 if test $gdb_cv_printf_has_long_double = yes; then
1552 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1553 [Define to 1 if the "%Lg" format works to print long doubles.])
1556 # Check if the compiler and runtime support scanning long doubles.
1558 AC_CACHE_CHECK([for long double support in scanf],
1559 gdb_cv_scanf_has_long_double,
1560 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1561 [[#include <stdio.h>]],
1562 [[char *buf = "3.141592653";
1564 sscanf (buf, "%Lg", &f);
1565 return !(f > 3.14159 && f < 3.14160);]])],
1566 gdb_cv_scanf_has_long_double=yes,
1567 gdb_cv_scanf_has_long_double=no,
1568 gdb_cv_scanf_has_long_double=no)])
1569 if test $gdb_cv_scanf_has_long_double = yes; then
1570 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1571 [Define to 1 if the "%Lg" format works to scan long doubles.])
1576 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1577 SAVE_LDFLAGS=$LDFLAGS
1580 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1581 *) gdb_cv_bigtoc=-bbigtoc ;;
1584 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1585 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1586 LDFLAGS="${SAVE_LDFLAGS}"
1588 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1592 AC_MSG_CHECKING(for the dynamic export flag)
1594 if test "${gdb_native}" = yes; then
1595 # The dynamically loaded libthread_db needs access to symbols in the gdb
1596 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1597 # may not be supported there.
1598 old_LDFLAGS="$LDFLAGS"
1599 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1600 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1601 LDFLAGS="$LDFLAGS $RDYNAMIC"
1602 if test "${have_libpython}" = no; then
1603 AC_TRY_LINK([], [], [dynamic_list=true])
1605 # Workaround http://bugs.python.org/issue4434 where static
1606 # libpythonX.Y.a would get its symbols required for
1607 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1608 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1609 old_CFLAGS="$CFLAGS"
1610 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1613 [#include "]${have_libpython}[/Python.h"],
1616 err = PyRun_SimpleString ("import itertools\n");
1618 return err == 0 ? 0 : 1;]),
1619 [dynamic_list=true], [], [true])
1620 CFLAGS="$old_CFLAGS"
1622 LDFLAGS="$old_LDFLAGS"
1624 if $dynamic_list; then
1625 found="-Wl,--dynamic-list"
1626 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1629 RDYNAMIC="-rdynamic"
1632 AC_MSG_RESULT($found)
1634 dnl For certain native configurations, we need to check whether thread
1635 dnl support can be built in or not.
1637 dnl Note that we only want this if we are both native (host == target),
1638 dnl and not doing a canadian cross build (build == host).
1640 if test ${build} = ${host} -a ${host} = ${target} ; then
1643 # See if thread_db library is around for Solaris thread debugging.
1644 # Note that we must explicitly test for version 1 of the library
1645 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1647 AC_MSG_CHECKING(for Solaris thread debugging library)
1648 if test -f /usr/lib/libthread_db.so.1 ; then
1650 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1651 [Define if using Solaris thread debugging.])
1652 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1653 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1654 AC_CHECK_LIB(dl, dlopen)
1655 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1656 # Sun randomly tweaked the prototypes in <proc_service.h>
1658 AC_MSG_CHECKING(if <proc_service.h> is old)
1659 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1661 #include <proc_service.h>
1663 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1664 ],, gdb_cv_proc_service_is_old=no,
1665 gdb_cv_proc_service_is_old=yes)
1667 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1668 if test $gdb_cv_proc_service_is_old = yes; then
1669 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1670 [Define if <proc_service.h> on solaris uses int instead of
1671 size_t, and assorted other type changes.])
1678 AC_MSG_CHECKING(for AiX thread debugging library)
1679 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1680 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1681 [#ifndef PTHDB_VERSION_3
1684 gdb_cv_have_aix_thread_debug=yes,
1685 gdb_cv_have_aix_thread_debug=no)])
1686 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1687 if test $gdb_cv_have_aix_thread_debug = yes; then
1688 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1689 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1690 LIBS="$LIBS -lpthdebug"
1692 # Older versions of AIX do not provide the declaration for
1693 # the getthrds function (it appears that it was introduced
1695 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1699 AC_SUBST(CONFIG_LDFLAGS)
1702 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1703 dnl other error codes.
1704 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1705 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1706 gdb_cv_thread_db_h_has_td_notalloc,
1708 [#include <thread_db.h>],
1709 [int i = TD_NOTALLOC;],
1710 gdb_cv_thread_db_h_has_td_notalloc=yes,
1711 gdb_cv_thread_db_h_has_td_notalloc=no
1714 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1715 gdb_cv_thread_db_h_has_td_version,
1717 [#include <thread_db.h>],
1718 [int i = TD_VERSION;],
1719 gdb_cv_thread_db_h_has_td_version=yes,
1720 gdb_cv_thread_db_h_has_td_version=no
1723 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1724 gdb_cv_thread_db_h_has_td_notls,
1726 [#include <thread_db.h>],
1727 [int i = TD_NOTLS;],
1728 gdb_cv_thread_db_h_has_td_notls=yes,
1729 gdb_cv_thread_db_h_has_td_notls=no
1733 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1734 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1735 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1737 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1738 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1739 [Define if <thread_db.h> has the TD_VERSION error code.])
1741 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1742 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1743 [Define if <thread_db.h> has the TD_NOTLS error code.])
1746 dnl See if we have a sys/syscall header file that has __NR_tkill.
1747 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1748 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1749 gdb_cv_sys_syscall_h_has_tkill,
1751 [#include <sys/syscall.h>],
1752 [int i = __NR_tkill;],
1753 gdb_cv_sys_syscall_h_has_tkill=yes,
1754 gdb_cv_sys_syscall_h_has_tkill=no
1758 dnl See if we can issue tkill syscall.
1759 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1760 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1763 dnl Check if we can disable the virtual address space randomization.
1764 dnl The functionality of setarch -R.
1765 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1766 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1767 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1768 # define ADDR_NO_RANDOMIZE 0x0040000
1770 /* Test the flag could be set and stays set. */
1771 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1772 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1774 AC_RUN_IFELSE([PERSONALITY_TEST],
1775 [have_personality=true],
1776 [have_personality=false],
1777 [AC_LINK_IFELSE([PERSONALITY_TEST],
1778 [have_personality=true],
1779 [have_personality=false])])
1780 if $have_personality
1782 AC_DEFINE([HAVE_PERSONALITY], 1,
1783 [Define if you support the personality syscall.])
1786 dnl Handle optional features that can be enabled.
1788 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1789 # except that the argument to --with-sysroot is optional.
1790 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1791 if test "x$with_sysroot" = xyes; then
1792 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1794 AC_ARG_WITH(sysroot,
1795 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1796 [search for usr/lib et al within DIR]),
1797 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1798 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1799 [search for usr/lib et al within DIR])
1800 AC_SUBST(TARGET_SYSTEM_ROOT)
1801 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1803 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1804 [automatically load a system-wide gdbinit file],
1807 AC_ARG_ENABLE(werror,
1808 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1809 [case "${enableval}" in
1810 yes | y) ERROR_ON_WARNING="yes" ;;
1811 no | n) ERROR_ON_WARNING="no" ;;
1812 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1815 # Enable -Werror by default when using gcc
1816 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1817 ERROR_ON_WARNING=yes
1821 if test "${ERROR_ON_WARNING}" = yes ; then
1822 WERROR_CFLAGS="-Werror"
1825 # The entries after -Wno-pointer-sign are disabled warnings which may
1826 # be enabled in the future, which can not currently be used to build
1828 # NOTE: If you change this list, remember to update
1829 # gdb/doc/gdbint.texinfo.
1830 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1831 -Wformat-nonliteral -Wno-pointer-sign \
1832 -Wno-unused -Wunused-value -Wunused-function \
1833 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes"
1835 # Enable -Wno-format by default when using gcc on mingw since many
1836 # GCC versions complain about %I64.
1838 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1841 AC_ARG_ENABLE(build-warnings,
1842 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1843 [case "${enableval}" in
1845 no) build_warnings="-w";;
1846 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1847 build_warnings="${build_warnings} ${t}";;
1848 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1849 build_warnings="${t} ${build_warnings}";;
1850 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1852 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1853 echo "Setting compiler warning flags = $build_warnings" 6>&1
1855 AC_ARG_ENABLE(gdb-build-warnings,
1856 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1857 [case "${enableval}" in
1859 no) build_warnings="-w";;
1860 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1861 build_warnings="${build_warnings} ${t}";;
1862 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1863 build_warnings="${t} ${build_warnings}";;
1864 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1866 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1867 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1870 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1872 AC_MSG_CHECKING(compiler warning flags)
1873 # Separate out the -Werror flag as some files just cannot be
1874 # compiled with it enabled.
1875 for w in ${build_warnings}; do
1877 -Werr*) WERROR_CFLAGS=-Werror ;;
1878 *) # Check that GCC accepts it
1879 saved_CFLAGS="$CFLAGS"
1881 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1882 CFLAGS="$saved_CFLAGS"
1885 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1887 AC_SUBST(WARN_CFLAGS)
1888 AC_SUBST(WERROR_CFLAGS)
1890 # In the Cygwin environment, we need some additional flags.
1891 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1892 [AC_EGREP_CPP(lose, [
1893 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1895 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1898 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1899 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1901 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1902 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1903 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1905 AC_SUBST(SER_HARDWIRE)
1907 # libreadline needs libuser32.a in a cygwin environment
1909 if test x$gdb_cv_os_cygwin = xyes; then
1910 WIN32LIBS="-luser32"
1912 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1917 # The ser-tcp.c module requires sockets.
1920 AC_DEFINE(USE_WIN32API, 1,
1921 [Define if we should use the Windows API, instead of the
1922 POSIX API. On Windows, we use the Windows API when
1923 building for MinGW, but the POSIX API when building
1925 WIN32LIBS="$WIN32LIBS -lws2_32"
1930 # Add ELF support to GDB, but only if BFD includes ELF support.
1932 OLD_LDFLAGS=$LDFLAGS
1934 # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
1935 # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
1936 # always want our bfd.
1937 CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
1938 LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
1939 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1940 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1941 if test "$plugins" = "yes"; then
1944 LIBS="-lbfd -liberty $intl $LIBS"
1945 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1947 [#include <stdlib.h>
1949 #include "elf-bfd.h"
1951 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1952 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1953 if test $gdb_cv_var_elf = yes; then
1954 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
1955 AC_DEFINE(HAVE_ELF, 1,
1956 [Define if ELF support should be included.])
1957 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1958 if test "$plugins" = "yes"; then
1959 OLD_LIBS="-ldl $OLD_LIBS"
1963 LDFLAGS=$OLD_LDFLAGS
1966 # Add any host-specific objects to GDB.
1967 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1969 LIBGUI="../libgui/src/libgui.a"
1970 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1972 AC_SUBST(GUI_CFLAGS_X)
1976 AC_SUBST(WIN32LDAPP)
1979 *-*-cygwin* | *-*-mingw* )
1988 if test "${enable_gdbtk}" = "yes"; then
1990 # Gdbtk must have an absolute path to srcdir in order to run
1991 # properly when not installed.
1999 # If $no_tk is nonempty, then we can't do Tk, and there is no
2000 # point to doing Tcl.
2003 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2006 # Check for in-tree tcl
2013 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2017 # Find Tcl private headers
2018 if test x"${intree}" = xno; then
2019 CY_AC_TCL_PRIVATE_HEADERS
2020 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2021 TCL_LIBRARY="${TCL_LIB_SPEC}"
2024 # If building tcl in the same src tree, private headers
2025 # are not needed, but we need to be sure to use the right
2027 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2028 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2029 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2031 AC_SUBST(TCL_INCLUDE)
2032 AC_SUBST(TCL_LIBRARY)
2037 # Check for in-tree Tk
2039 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2043 # Find Tk private headers
2044 if test x"${intree}" = xno; then
2045 CY_AC_TK_PRIVATE_HEADERS
2046 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2047 TK_LIBRARY=${TK_LIB_SPEC}
2050 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2051 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2052 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2054 AC_SUBST(TK_INCLUDE)
2055 AC_SUBST(TK_LIBRARY)
2057 AC_SUBST(TK_XINCLUDES)
2059 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2061 # Include some libraries that Tcl and Tk want.
2062 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2063 # Yes, the ordering seems wrong here. But it isn't.
2064 # TK_LIBS is the list of libraries that need to be linked
2065 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2066 # were in LIBS then any link tests after this point would
2067 # try to include things like `$(LIBGUI)', which wouldn't work.
2068 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2070 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2071 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2072 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2073 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2074 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2075 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2076 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2078 if test x$gdb_cv_os_cygwin = xyes; then
2079 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2080 WIN32LDAPP="-Wl,--subsystem,console"
2081 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2084 AC_CONFIG_SUBDIRS(gdbtk)
2092 AC_SUBST(GDBTK_CFLAGS)
2093 AC_SUBST(GDBTK_SRC_DIR)
2097 # Unlike the sim directory, whether a simulator is linked is controlled by
2098 # presence of a gdb_sim definition in the target configure.tgt entry.
2099 # This code just checks for a few cases where we'd like to ignore those
2100 # definitions, even when they're present in the '.mt' file. These cases
2101 # are when --disable-sim is specified, or if the simulator directory is
2102 # not part of the source tree.
2105 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2106 [echo "enable_sim = $enable_sim";
2107 echo "enableval = ${enableval}";
2108 case "${enableval}" in
2109 yes) ignore_sim=false ;;
2110 no) ignore_sim=true ;;
2111 *) ignore_sim=false ;;
2115 if test ! -d "${srcdir}/../sim"; then
2121 if test "${ignore_sim}" = "false"; then
2122 if test x"${gdb_sim}" != x ; then
2124 SIM_OBS="remote-sim.o"
2125 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2131 AC_SUBST(ENABLE_CFLAGS)
2132 AC_SUBST(PROFILE_CFLAGS)
2134 AC_SUBST(CONFIG_OBS)
2135 AC_SUBST(CONFIG_DEPS)
2136 AC_SUBST(CONFIG_SRCS)
2137 AC_SUBST(CONFIG_ALL)
2138 AC_SUBST(CONFIG_CLEAN)
2139 AC_SUBST(CONFIG_INSTALL)
2140 AC_SUBST(CONFIG_UNINSTALL)
2142 # List of host floatformats.
2143 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2144 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2145 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2147 # target_subdir is used by the testsuite to find the target libraries.
2149 if test "${host}" != "${target}"; then
2150 target_subdir="${target_alias}/"
2152 AC_SUBST(target_subdir)
2155 if test "${gdb_native}" = "yes"; then
2156 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2157 if test ! -f ${host_makefile_frag}; then
2158 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2160 frags="$frags $host_makefile_frag"
2162 host_makefile_frag=/dev/null
2165 AC_SUBST_FILE(host_makefile_frag)
2169 if test "${gdb_native}" = "yes"; then
2170 # We pick this up from the host configuration file (.mh) because we
2171 # do not have a native configuration Makefile fragment.
2172 nativefile=`sed -n '
2173 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2174 ' ${host_makefile_frag}`
2178 if test x"${gdb_osabi}" != x ; then
2179 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2180 [Define to the default OS ABI for this configuration.])
2183 # Enable multi-ice-gdb-server.
2184 AC_ARG_ENABLE(multi-ice,
2185 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2189 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2191 if test "x$enable_multi_ice" = xyes; then
2192 AC_CONFIG_SUBDIRS(multi-ice)
2195 AC_ARG_ENABLE(gdbserver,
2196 AS_HELP_STRING([--enable-gdbserver],
2197 [automatically build gdbserver (yes/no/auto, default is auto)]),
2198 [case "${enableval}" in
2200 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2201 esac],[enable_gdbserver=auto])
2203 # We only build gdbserver automatically in a native configuration, and
2204 # only if the user did not explicitly disable its build.
2205 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2206 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2207 if test "x$build_gdbserver" = xyes; then
2209 AC_CONFIG_SUBDIRS(gdbserver)
2210 gdbserver_build_enabled=yes
2216 # If the user explicitly request the gdbserver to be built, verify that
2217 # we were in fact able to enable it.
2218 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2219 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2222 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2223 # to an empty version.
2229 if test "${nativefile}" != ""; then
2230 case "${nativefile}" in
2231 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2232 * ) GDB_NM_FILE="${nativefile}"
2234 files="${files} ${GDB_NM_FILE}"
2235 links="${links} nm.h"
2236 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2238 AC_SUBST(GDB_NM_FILE)
2240 AC_LINK_FILES($files, $links)
2242 dnl Check for exe extension set on certain hosts (e.g. Win32)
2245 dnl Detect the character set used by this host.
2246 dnl At the moment, we just assume it's UTF-8.
2247 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2248 [Define to be a string naming the default host character set.])
2250 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2252 case x$CONFIG_HEADERS in
2253 xconfig.h:config.in)