1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2013 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)
26 # Set the 'development' global.
27 . $srcdir/development.sh
30 AC_USE_SYSTEM_EXTENSIONS
38 # Dependency checking.
40 ZW_PROG_COMPILER_DEPENDENCIES([CC])
42 # Check for the 'make' the user wants to use.
43 AC_CHECK_PROGS(MAKE, make)
45 case "`$MAKE --version 2>&1 | sed 1q`" in
50 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
53 # Configure gnulib. We need to build gnulib under some other
54 # directory not "gnulib", to avoid the problem of both GDB and
55 # GDBserver wanting to build it in the same directory, when building
57 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
59 dnl List of object files and targets accumulated by configure.
71 dnl Set up for gettext.
72 ZW_GNU_GETTEXT_SISTER_DIR
74 localedir='${datadir}/locale'
77 if test x"$USE_NLS" = xyes; then
78 CONFIG_ALL="$CONFIG_ALL all-po"
79 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
80 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
81 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
84 GNULIB=build-gnulib/import
86 # For Makefile dependencies.
88 if test x"$STDINT_H" != x; then
89 GNULIB_STDINT_H=$GNULIB/$STDINT_H
91 AC_SUBST(GNULIB_STDINT_H)
94 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
97 # We never need to detect it in this sub-configure.
98 # But preserve it for config.status --recheck.
100 [Parent configure detects if it is of sufficient version.])
101 AC_ARG_VAR(MAKEINFOFLAGS,
102 [Parameters for MAKEINFO.])
104 MAKEINFO_EXTRA_FLAGS=""
105 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
106 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
107 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
108 gdb_cv_have_makeinfo_click=yes
110 gdb_cv_have_makeinfo_click=no
112 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
113 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
115 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
117 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
118 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
121 # We can't pass paths as command line arguments.
122 # Mingw32 tries to be clever and will convert the paths for us.
123 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
124 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
125 # This breaks GDB's relocatable path conversions since paths passed in
126 # config.h would not get so translated, the path prefixes no longer match.
127 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
129 # GDB's datadir relocation
131 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
132 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
135 AC_ARG_WITH(relocated-sources,
136 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
137 [reloc_srcdir="${withval}"
138 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
139 [Relocated directory for source files. ])
142 AC_MSG_CHECKING([for default auto-load directory])
143 AC_ARG_WITH(auto-load-dir,
144 AS_HELP_STRING([--with-auto-load-dir=PATH],
145 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
146 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
147 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
148 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
149 [Directories from which to load auto-loaded scripts.])
150 AC_MSG_RESULT([$with_auto_load_dir])
152 AC_MSG_CHECKING([for default auto-load safe-path])
153 AC_ARG_WITH(auto-load-safe-path,
154 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
155 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
156 AS_HELP_STRING([--without-auto-load-safe-path],
157 [do not restrict auto-loaded files locations]),
158 [if test "$with_auto_load_safe_path" = "no"; then
159 with_auto_load_safe_path="/"
161 [with_auto_load_safe_path="$with_auto_load_dir"])
162 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
163 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
164 [Directories safe to hold auto-loaded files.])
165 AC_MSG_RESULT([$with_auto_load_safe_path])
167 AC_CONFIG_SUBDIRS(testsuite)
169 # Check whether to support alternative target configurations
170 AC_ARG_ENABLE(targets,
171 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
172 [case "${enableval}" in
173 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
175 no) enable_targets= ;;
176 *) enable_targets=$enableval ;;
179 # Check whether to enable 64-bit support on 32-bit hosts
180 AC_ARG_ENABLE(64-bit-bfd,
181 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
182 [case "${enableval}" in
185 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
186 esac],[want64=false])dnl
188 # Provide defaults for some variables set by the per-host and per-target
190 gdb_host_obs=posix-hdep.o
192 if test "${target}" = "${host}"; then
198 . $srcdir/configure.host
200 # Accumulate some settings from configure.tgt over all enabled targets
204 HAVE_NATIVE_GCORE_TARGET=
206 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
208 if test "$targ_alias" = "all"; then
211 # Canonicalize the secondary target names.
212 result=`$ac_config_sub $targ_alias 2>/dev/null`
213 if test -n "$result"; then
219 . ${srcdir}/configure.tgt
221 AS_IF([test -z "${gdb_target_obs}"],
222 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
224 # Target-specific object files
225 for i in ${gdb_target_obs}; do
226 case " $TARGET_OBS " in
229 TARGET_OBS="$TARGET_OBS ${i}"
234 # Check whether this target needs 64-bit CORE_ADDR
235 if test x${want64} = xfalse; then
236 . ${srcdir}/../bfd/config.bfd
239 # Check whether this target is native and supports gcore.
240 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
241 && $gdb_have_gcore; then
242 HAVE_NATIVE_GCORE_TARGET=1
247 if test x${all_targets} = xtrue; then
249 # We want all 64-bit targets if we either:
250 # - run on a 64-bit host or
251 # - already require 64-bit support for some other target or
252 # - the --enable-64-bit-bfd option was supplied
253 # Otherwise we only support all 32-bit targets.
255 # NOTE: This test must be in sync with the corresponding
258 if test x${want64} = xfalse; then
259 AC_CHECK_SIZEOF(long)
260 if test "x${ac_cv_sizeof_long}" = "x8"; then
264 if test x${want64} = xtrue; then
265 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
267 TARGET_OBS='$(ALL_TARGET_OBS)'
272 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
274 # For other settings, only the main target counts.
278 targ=$target; . ${srcdir}/configure.tgt
280 # Fetch the default architecture and default target vector from BFD.
281 targ=$target; . $srcdir/../bfd/config.bfd
283 # We only want the first architecture, so strip off the others if
284 # there is more than one.
285 targ_archs=`echo $targ_archs | sed 's/ .*//'`
287 if test "x$targ_archs" != x; then
288 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
289 [Define to BFD's default architecture. ])
291 if test "x$targ_defvec" != x; then
292 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
293 [Define to BFD's default target vector. ])
296 # The CLI cannot be disabled yet, but may be in the future.
299 AC_ARG_ENABLE(gdbcli,
300 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
305 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
307 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
310 if test x"$enable_gdbcli" = xyes; then
311 if test -d $srcdir/cli; then
312 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
313 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
314 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
315 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
321 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
326 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
329 if test x"$enable_gdbmi" = xyes; then
330 if test -d $srcdir/mi; then
331 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
332 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
333 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
334 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
340 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
345 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
346 esac],enable_tui=auto)
350 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
355 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
357 [if test -d $srcdir/gdbtk; then
362 # We unconditionally disable gdbtk tests on selected platforms.
365 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
369 # Libunwind support for ia64.
371 AC_ARG_WITH(libunwind-ia64,
372 AS_HELP_STRING([--with-libunwind-ia64],
373 [use libunwind frame unwinding for ia64 targets]),,
374 [with_libunwind_ia64=auto])
376 # Backward compatibility option.
377 if test "${with_libunwind+set}" = set; then
378 if test x"$with_libunwind_ia64" != xauto; then
380 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
382 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
383 with_libunwind_ia64="$with_libunwind"
386 case "$with_libunwind_ia64" in
390 AC_CHECK_HEADERS(libunwind-ia64.h)
391 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
395 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
399 if test x"$with_libunwind_ia64" = xyes; then
400 AC_CHECK_HEADERS(libunwind-ia64.h)
401 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
402 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
404 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
405 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
406 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
410 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
413 if test "$opt_curses" = "yes"; then
418 AC_ARG_ENABLE(profiling,
419 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
424 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
426 [enable_profiling=no])
428 AC_CHECK_FUNCS(monstartup _mcleanup)
429 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
434 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
435 if test $ac_cv_var__etext = yes; then
436 AC_DEFINE(HAVE__ETEXT, 1,
437 [Define to 1 if your system has the _etext variable. ])
439 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
444 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
445 if test $ac_cv_var_etext = yes; then
446 AC_DEFINE(HAVE_ETEXT, 1,
447 [Define to 1 if your system has the etext variable. ])
449 if test "$enable_profiling" = yes ; then
450 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
451 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
455 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
457 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
458 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
459 ac_cv_cc_supports_pg=no)])
461 if test $ac_cv_cc_supports_pg = no; then
462 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
468 ACX_PKGVERSION([GDB])
469 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
470 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
471 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
473 # --------------------- #
474 # Checks for programs. #
475 # --------------------- #
483 AC_CHECK_TOOL(AR, ar)
484 AC_CHECK_TOOL(DLLTOOL, dlltool)
485 AC_CHECK_TOOL(WINDRES, windres)
489 # Needed for GNU Hurd hosts.
490 AC_CHECK_TOOL(MIG, mig)
491 if test x"$MIG" = x; then
492 AC_MSG_ERROR([MIG not found but required for $host hosts])
497 # ---------------------- #
498 # Checks for libraries. #
499 # ---------------------- #
501 # We might need to link with -lm; most simulators need it.
502 AC_CHECK_LIB(m, main)
504 # We need to link with -lw to get `wctype' on Solaris before Solaris
505 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
506 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
507 # is known to have this problem). Therefore we avoid libw if we can.
508 AC_CHECK_FUNC(wctype, [],
509 [AC_CHECK_LIB(w, wctype)])
511 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
512 AC_SEARCH_LIBS(gethostbyname, nsl)
514 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
515 AC_SEARCH_LIBS(socketpair, socket)
517 # Link in zlib if we can. This allows us to read compressed debug sections.
520 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
521 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
525 # GDB may fork/exec the iconv program to get the list of supported character
526 # sets. Allow the user to specify where to find it.
527 # There are several factors affecting the choice of option name:
528 # - There is already --with-libiconv-prefix but we can't use it, it specifies
529 # the build-time location of libiconv files.
530 # - The program we need to find is iconv, which comes with glibc. The user
531 # doesn't necessarily have libiconv installed. Therefore naming this
532 # --with-libiconv-foo feels wrong.
533 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
534 # defined to work on directories not files (though it really doesn't know
536 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
537 # with --with-libiconv-prefix.
538 # Putting these together is why the option name is --with-iconv-bin.
540 AC_ARG_WITH(iconv-bin,
541 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
542 [iconv_bin="${withval}"
543 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
544 [Path of directory of iconv program.])
545 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
548 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
549 # There is a very specific comment in /usr/include/curses.h explaining that
550 # termcap routines built into libcurses must not be used.
552 # The symptoms we observed so far is GDB unexpectedly changing
553 # the terminal settings when tgetent is called - this is particularly
554 # visible as the output is missing carriage returns, and so rapidly
555 # becomes very hard to read.
557 # The readline configure script has already decided that libtermcap
558 # was enough for its purposes, and so decided to build readline using
559 # libtermcap. Since the TUI mode requires curses, building GDB with
560 # TUI enabled results in both libraries to be used at the same time,
561 # which is not allowed. This basically means that GDB with TUI is
562 # broken on alpha-osf.
566 if test x"$enable_tui" = xyes; then
567 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
569 if test x"$enable_tui" = xauto; then
575 # For the TUI, we need enhanced curses functionality.
576 if test x"$enable_tui" != xno; then
581 if test x"$prefer_curses" = xyes; then
582 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
583 # curses library because the latter might not provide all the
584 # functionality we need. However, this leads to problems on systems
585 # where the linker searches /usr/local/lib, but the compiler doesn't
586 # search /usr/local/include, if ncurses is installed in /usr/local. A
587 # default installation of ncurses on alpha*-dec-osf* will lead to such
589 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
591 if test "$ac_cv_search_waddstr" != no; then
596 # Check whether we should enable the TUI, but only do so if we really
598 if test x"$enable_tui" != xno; then
599 if test -d $srcdir/tui; then
600 if test "$curses_found" != no; then
601 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
602 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
603 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
604 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
606 if test x"$enable_tui" = xyes; then
607 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
609 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
615 # Since GDB uses Readline, we need termcap functionality. In many
616 # cases this will be provided by the curses library, but some systems
617 # have a seperate termcap library, or no curses library at all.
621 if test -d $srcdir/libtermcap; then
622 LIBS="../libtermcap/libtermcap.a $LIBS"
623 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
626 ac_cv_search_tgetent="none required"
629 ac_cv_search_tgetent="none required"
630 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
634 # These are the libraries checked by Readline.
635 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
637 if test "$ac_cv_search_tgetent" = no; then
638 AC_MSG_ERROR([no termcap library found])
641 AC_ARG_WITH([system-readline],
642 [AS_HELP_STRING([--with-system-readline],
643 [use installed readline library])])
645 if test "$with_system_readline" = yes; then
649 READLINE_TEXI_INCFLAG=
651 READLINE='$(READLINE_DIR)/libreadline.a'
652 READLINE_DEPS='$(READLINE)'
653 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
654 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
657 AC_SUBST(READLINE_DEPS)
658 AC_SUBST(READLINE_CFLAGS)
659 AC_SUBST(READLINE_TEXI_INCFLAG)
661 # Generate jit-reader.h
663 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
666 AC_CHECK_SIZEOF(unsigned long long)
667 AC_CHECK_SIZEOF(unsigned long)
668 AC_CHECK_SIZEOF(unsigned __int128)
670 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
671 TARGET_PTR="unsigned long"
672 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
673 TARGET_PTR="unsigned long long"
674 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
675 TARGET_PTR="unsigned __int128"
677 TARGET_PTR="unsigned long"
681 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
683 AC_SEARCH_LIBS(dlopen, dl)
685 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
686 [directory to load the JIT readers from],
690 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
691 [], [with_expat=auto])
692 AC_MSG_CHECKING([whether to use expat])
693 AC_MSG_RESULT([$with_expat])
695 if test "${with_expat}" = no; then
696 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
699 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
700 [XML_Parser p = XML_ParserCreate (0);])
701 if test "$HAVE_LIBEXPAT" != yes; then
702 if test "$with_expat" = yes; then
703 AC_MSG_ERROR([expat is missing or unusable])
705 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
709 LIBS="$LIBS $LIBEXPAT"
710 AC_CHECK_FUNCS(XML_StopParser)
715 # --------------------- #
716 # Check for libpython. #
717 # --------------------- #
719 dnl Utility to simplify finding libpython.
721 dnl $2 = the shell variable to assign the result to
722 dnl If libpython is found we store $version here.
723 dnl $3 = additional flags to add to CPPFLAGS
724 dnl $4 = additional flags to add to LIBS
726 AC_DEFUN([AC_TRY_LIBPYTHON],
729 define([have_libpython_var],$2)
732 AC_MSG_CHECKING([for ${version}])
733 save_CPPFLAGS=$CPPFLAGS
735 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
736 LIBS="$LIBS $new_LIBS"
737 found_usable_python=no
738 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
739 [[Py_Initialize ();]]),
740 [have_libpython_var=${version}
741 found_usable_python=yes
742 PYTHON_CPPFLAGS=$new_CPPFLAGS
743 PYTHON_LIBS=$new_LIBS])
744 CPPFLAGS=$save_CPPFLAGS
746 AC_MSG_RESULT([${found_usable_python}])
749 dnl There are several different values for --with-python:
751 dnl no - Don't include python support.
752 dnl yes - Include python support, error if it's missing.
753 dnl If we find python in $PATH, use it to fetch configure options,
754 dnl otherwise assume the compiler can find it with no help from us.
755 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
756 dnl auto - Same as "yes", but if python is missing from the system,
757 dnl fall back to "no".
758 dnl /path/to/python/exec-prefix -
759 dnl Use the python located in this directory.
760 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
761 dnl the compilation parameters. Otherwise use
762 dnl -I/path/to/python/exec-prefix/include,
763 dnl -L/path/to/python/exec-prefix/lib.
764 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
765 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
766 dnl but is deprecated.
767 dnl /path/to/python/executable -
768 dnl Run python-config.py with this version of python to fetch the
769 dnl compilation parameters.
770 dnl NOTE: This needn't be the real python executable.
771 dnl In a cross-compilation scenario (build != host), this could be
772 dnl a shell script that provides what python-config.py provides for
773 dnl --ldflags, --includes, --exec-prefix.
774 dnl python-executable -
775 dnl Find python-executable in $PATH, and then handle the same as
776 dnl /path/to/python/executable.
778 dnl If a python program is specified, it is used to run python-config.py and
779 dnl is passed --ldflags, --includes, --exec-prefix.
782 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
783 [], [with_python=auto])
784 AC_MSG_CHECKING([whether to use python])
785 AC_MSG_RESULT([$with_python])
787 if test "${with_python}" = no; then
788 AC_MSG_WARN([python support disabled; some features may be unavailable.])
791 case "${with_python}" in
792 [[\\/]]* | ?:[[\\/]]*)
793 if test -d ${with_python}; then
794 # Assume the python binary is ${with_python}/bin/python.
795 python_prog="${with_python}/bin/python"
797 # If python does not exit ${with_python}/bin, then try in
798 # ${with_python}. On Windows/MinGW, this is where the Python
800 if test ! -x "${python_prog}"; then
801 python_prog="${with_python}/python"
804 if test ! -x "${python_prog}"; then
805 # Fall back to gdb 7.0/7.1 behaviour.
807 python_prefix=${with_python}
809 elif test -x "${with_python}"; then
810 # While we can't run python compiled for $host (unless host == build),
811 # the user could write a script that provides the needed information,
812 # so we support that.
813 python_prog=${with_python}
816 AC_ERROR(invalid value for --with-python)
820 # Disallow --with-python=foo/bar.
821 AC_ERROR(invalid value for --with-python)
824 # The user has either specified auto, yes, or the name of the python
825 # program assumed to be in $PATH.
827 case "${with_python}" in
829 if test ${build} = ${host}; then
830 AC_PATH_PROG(python_prog_path, python, missing)
831 if test "${python_prog_path}" = missing; then
834 python_prog=${python_prog_path}
837 # Not much we can do except assume the cross-compiler will find the
843 # While we can't run python compiled for $host (unless host == build),
844 # the user could write a script that provides the needed information,
845 # so we support that.
846 python_prog="${with_python}"
847 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
848 if test "${python_prog_path}" = missing; then
849 AC_ERROR(unable to find python program ${python_prog})
855 if test "${python_prog}" != missing; then
856 # We have a python program to use, but it may be too old.
857 # Don't flag an error for --with-python=auto (the default).
858 have_python_config=yes
859 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
860 if test $? != 0; then
861 have_python_config=failed
862 if test "${with_python}" != auto; then
863 AC_ERROR(failure running python-config --includes)
866 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
867 if test $? != 0; then
868 have_python_config=failed
869 if test "${with_python}" != auto; then
870 AC_ERROR(failure running python-config --ldflags)
873 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
874 if test $? != 0; then
875 have_python_config=failed
876 if test "${with_python}" != auto; then
877 AC_ERROR(failure running python-config --exec-prefix)
881 # We do not have a python executable we can use to determine where
882 # to find the Python headers and libs. We cannot guess the include
883 # path from the python_prefix either, because that include path
884 # depends on the Python version. So, there is nothing much we can
885 # do except assume that the compiler will be able to find those files.
888 have_python_config=no
891 # If we have python-config, only try the configuration it provides.
892 # Otherwise fallback on the old way of trying different versions of
896 if test "${have_python_config}" = yes; then
897 # Determine the Python version by extracting "-lpython<version>"
898 # part of the python_libs. <version> is usually X.Y with X and Y
899 # being decimal numbers, but can also be XY (seen on Windows).
901 # The extraction is performed using sed with a regular expression.
902 # Initially, the regexp used was using the '?' quantifier to make
903 # the dot in the version number optional. Unfortunately, this
904 # does not work with non-GNU versions of sed because, because of
905 # what looks like a limitation (the '?' quantifier does not work
906 # with back-references). We work around this limitation by using
907 # the '*' quantifier instead. It means that, in theory, we might
908 # match unexpected version strings such as "-lpython2..7", but
909 # this seems unlikely in practice. And even if that happens,
910 # an error will be triggered later on, when checking that version
912 python_version=`echo " ${python_libs} " \
913 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
914 case "${python_version}" in
916 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
917 ${python_includes}, ${python_libs})
920 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
923 elif test "${have_python_config}" != failed; then
924 if test "${have_libpython}" = no; then
925 AC_TRY_LIBPYTHON(python2.7, have_libpython,
926 ${python_includes}, "${python_libs} -lpython2.7")
928 if test "${have_libpython}" = no; then
929 AC_TRY_LIBPYTHON(python2.6, have_libpython,
930 ${python_includes}, "${python_libs} -lpython2.6")
932 if test ${have_libpython} = no; then
933 AC_TRY_LIBPYTHON(python2.5, have_libpython,
934 ${python_includes}, "${python_libs} -lpython2.5")
936 if test ${have_libpython} = no; then
937 AC_TRY_LIBPYTHON(python2.4, have_libpython,
938 ${python_includes}, "${python_libs} -lpython2.4")
941 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
942 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
943 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
944 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
945 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
946 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
947 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
948 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
951 if test "${have_libpython}" = no; then
952 case "${with_python}" in
954 AC_MSG_ERROR([python is missing or unusable])
957 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
960 AC_MSG_ERROR([no usable python found at ${with_python}])
964 if test -n "${python_prefix}"; then
965 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
966 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
967 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
972 if test "${have_libpython}" != no; then
973 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
974 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
975 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
976 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
977 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
978 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
980 # Flags needed to compile Python code (taken from python-config --cflags).
981 # We cannot call python-config directly because it will output whatever was
982 # used when compiling the Python interpreter itself, including flags which
983 # would make the python-related objects be compiled differently from the
984 # rest of GDB (e.g., -O2 and -fPIC).
985 if test "${GCC}" = yes; then
986 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
989 if test "x${tentative_python_cflags}" != x; then
990 AC_MSG_CHECKING(compiler flags for python code)
991 for flag in ${tentative_python_cflags}; do
992 # Check that the compiler accepts it
993 saved_CFLAGS="$CFLAGS"
994 CFLAGS="$CFLAGS $flag"
995 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
996 CFLAGS="$saved_CFLAGS"
998 AC_MSG_RESULT(${PYTHON_CFLAGS})
1001 # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
1003 # #define siginfo __siginfo
1005 # The problem is that including Python causes some XOPEN macros to be
1006 # unilaterally defined, and that in turn causes _SGIAPI to evaluate
1007 # to false. So, we work around this issue by defining siginfo ourself
1008 # though the command-line.
1010 # On x64 Windows, Python's include headers, and pyconfig.h in
1011 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
1012 # version of Windows. Unfortunately, MS_WIN64 is only defined if
1013 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
1014 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
1015 # The issue was reported to the Python community, but still isn't
1016 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1019 irix*) if test "${GCC}" = yes; then
1020 CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
1024 if test "${GCC}" = yes; then
1025 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1030 # Note that "python -m threading" cannot be used to check for
1031 # threading support due to a bug in Python 2.7.3
1032 # (http://bugs.python.org/issue15567).
1033 AC_MSG_CHECKING(whether python supports threads)
1034 saved_CPPFLAGS="${CPPFLAGS}"
1035 CPPFLAGS="${PYTHON_CPPFLAGS}"
1036 # Note that the test is reversed so that python_has_threads=yes on
1037 # unexpected failures.
1038 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1043 ]]), [python_has_threads=no], [python_has_threads=yes])
1044 AC_MSG_RESULT(${python_has_threads})
1045 CPPFLAGS="${saved_CPPFLAGS}"
1047 # Even if Python support is not compiled in, we need to have these files
1049 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
1050 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
1051 python/py-prettyprint.c python/py-auto-load.c"
1053 AC_SUBST(PYTHON_CFLAGS)
1054 AC_SUBST(PYTHON_CPPFLAGS)
1055 AC_SUBST(PYTHON_LIBS)
1057 # --------------------- #
1058 # Check for libmcheck. #
1059 # --------------------- #
1061 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1062 # but turn it off if Python is enabled with threads, since -lmcheck is
1063 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1065 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1066 && $development; then
1067 libmcheck_default=yes
1069 libmcheck_default=no
1071 GDB_AC_LIBMCHECK(${libmcheck_default})
1073 if test "$ENABLE_LIBMCHECK" = "yes" \
1074 -a "${have_libpython}" != "no" \
1075 -a "${python_has_threads}" = "yes" ; then
1076 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1079 # ------------------------- #
1080 # Checks for header files. #
1081 # ------------------------- #
1084 # elf_hp.h is for HP/UX 64-bit shared library support.
1085 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1088 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1089 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1090 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1091 termios.h termio.h \
1094 AC_CHECK_HEADERS(sys/proc.h, [], [],
1095 [#if HAVE_SYS_PARAM_H
1096 # include <sys/param.h>
1099 AC_CHECK_HEADERS(sys/user.h, [], [],
1100 [#if HAVE_SYS_PARAM_H
1101 # include <sys/param.h>
1105 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1106 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1107 # think that we don't have <curses.h> if we're using GCC.
1110 if test "$GCC" = yes; then
1111 AC_DEFINE(_MSE_INT_H, 1,
1112 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1113 Solaris 2.[789] when using GCC. ])
1116 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1117 AC_CHECK_HEADERS(term.h, [], [],
1119 # include <curses.h>
1123 # ------------------------- #
1124 # Checks for declarations. #
1125 # ------------------------- #
1127 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1130 # ----------------------- #
1131 # Checks for structures. #
1132 # ----------------------- #
1134 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1136 # ------------------ #
1137 # Checks for types. #
1138 # ------------------ #
1141 AC_CHECK_TYPES(socklen_t, [], [],
1142 [#include <sys/types.h>
1143 #include <sys/socket.h>
1146 # ------------------------------------- #
1147 # Checks for compiler characteristics. #
1148 # ------------------------------------- #
1154 # ------------------------------ #
1155 # Checks for library functions. #
1156 # ------------------------------ #
1161 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
1162 pipe poll pread pread64 pwrite readlink resize_term \
1163 sbrk setpgid setpgrp setsid \
1164 sigaction sigprocmask sigsetmask socketpair \
1165 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1166 setrlimit getrlimit posix_madvise waitpid lstat \
1171 # Check the return and argument types of ptrace. No canned test for
1172 # this, so roll our own.
1173 gdb_ptrace_headers='
1174 #include <sys/types.h>
1175 #if HAVE_SYS_PTRACE_H
1176 # include <sys/ptrace.h>
1179 # include <unistd.h>
1182 # There is no point in checking if we don't have a prototype.
1183 AC_CHECK_DECLS(ptrace, [], [
1184 : ${gdb_cv_func_ptrace_ret='int'}
1185 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1186 ], $gdb_ptrace_headers)
1187 # Check return type. Varargs (used on GNU/Linux) conflict with the
1188 # empty argument list, so check for that explicitly.
1189 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1190 AC_TRY_COMPILE($gdb_ptrace_headers,
1191 [extern long ptrace (enum __ptrace_request, ...);],
1192 gdb_cv_func_ptrace_ret='long',
1193 AC_TRY_COMPILE($gdb_ptrace_headers,
1194 [extern int ptrace ();],
1195 gdb_cv_func_ptrace_ret='int',
1196 gdb_cv_func_ptrace_ret='long')))
1197 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1198 [Define as the return type of ptrace.])
1199 # Check argument types.
1200 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1201 AC_TRY_COMPILE($gdb_ptrace_headers,
1202 [extern long ptrace (enum __ptrace_request, ...);],
1203 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1204 for gdb_arg1 in 'int' 'long'; do
1205 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1206 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1207 for gdb_arg4 in 'int' 'long' 'void *'; do
1208 AC_TRY_COMPILE($gdb_ptrace_headers, [
1209 extern $gdb_cv_func_ptrace_ret
1210 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1211 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1213 for gdb_arg5 in 'int *' 'int' 'long'; do
1214 AC_TRY_COMPILE($gdb_ptrace_headers, [
1215 extern $gdb_cv_func_ptrace_ret
1216 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1218 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1225 # Provide a safe default value.
1226 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1228 ac_save_IFS=$IFS; IFS=','
1229 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1232 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1233 [Define to the type of arg 3 for ptrace.])
1234 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4],
1235 [Define to the type of arg 4 for ptrace.])
1236 if test -n "$[5]"; then
1237 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1238 [Define to the type of arg 5 for ptrace.])
1241 dnl AC_FUNC_SETPGRP does not work when cross compiling
1242 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1243 if test "$cross_compiling" = no; then
1246 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1250 if (setpgrp(1,1) == -1)
1254 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1255 if test $ac_cv_func_setpgrp_void = yes; then
1256 AC_DEFINE(SETPGRP_VOID, 1)
1260 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
1261 # since sigsetjmp might only be defined as a macro.
1262 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1265 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1266 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1267 if test $gdb_cv_func_sigsetjmp = yes; then
1268 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1271 # Assume we'll default to using the included libiberty regex.
1272 gdb_use_included_regex=yes
1274 # However, if the system regex is GNU regex, then default to *not*
1275 # using the included regex.
1278 [gdb_cv_have_gnu_regex],
1280 [#include <gnu-versions.h>],
1281 [#define REGEX_INTERFACE_VERSION 1
1282 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1283 # error "Version mismatch"
1285 gdb_cv_have_gnu_regex=yes,
1286 gdb_cv_have_gnu_regex=no)])
1287 if test $gdb_cv_have_gnu_regex = yes; then
1288 gdb_use_included_regex=no
1291 AC_ARG_WITH(included-regex,
1292 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1293 gdb_with_regex=$withval,
1294 gdb_with_regex=$gdb_use_included_regex)
1295 if test "$gdb_with_regex" = yes; then
1296 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1297 [Define to 1 if the regex included in libiberty should be used.])
1300 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1301 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1302 [#include <sys/param.h>
1303 #include <sys/proc.h>
1306 # See if <sys/lwp.h> defines `struct lwp`.
1307 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1308 [AC_TRY_COMPILE([#include <sys/param.h>
1309 #include <sys/lwp.h>], [struct lwp l;],
1310 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1311 if test $gdb_cv_struct_lwp = yes; then
1312 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1313 [Define to 1 if your system has struct lwp.])
1316 # See if <machine/reg.h> degines `struct reg'.
1317 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1318 [AC_TRY_COMPILE([#include <sys/types.h>
1319 #include <machine/reg.h>], [struct reg r;],
1320 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1321 if test $gdb_cv_struct_reg = yes; then
1322 AC_DEFINE(HAVE_STRUCT_REG, 1,
1323 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1326 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1327 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1328 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1329 [#include <machine/reg.h>])
1331 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1332 # Older amd64 Linux's don't have the fs_base and gs_base members of
1333 # `struct user_regs_struct'.
1334 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1335 [], [], [#include <sys/user.h>])
1337 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1338 AC_MSG_CHECKING(for PTRACE_GETREGS)
1339 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1340 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1342 [gdb_cv_have_ptrace_getregs=yes],
1343 [gdb_cv_have_ptrace_getregs=no])])
1344 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1345 if test $gdb_cv_have_ptrace_getregs = yes; then
1346 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1347 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1350 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1351 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1352 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1353 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1354 [PTRACE_GETFPXREGS;],
1355 [gdb_cv_have_ptrace_getfpxregs=yes],
1356 [gdb_cv_have_ptrace_getfpxregs=no])])
1357 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1358 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1359 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1360 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1363 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1364 AC_MSG_CHECKING(for PT_GETDBREGS)
1365 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1366 [AC_TRY_COMPILE([#include <sys/types.h>
1367 #include <sys/ptrace.h>],
1369 [gdb_cv_have_pt_getdbregs=yes],
1370 [gdb_cv_have_pt_getdbregs=no])])
1371 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1372 if test $gdb_cv_have_pt_getdbregs = yes; then
1373 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1374 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1377 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1378 AC_MSG_CHECKING(for PT_GETXMMREGS)
1379 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1380 [AC_TRY_COMPILE([#include <sys/types.h>
1381 #include <sys/ptrace.h>],
1383 [gdb_cv_have_pt_getxmmregs=yes],
1384 [gdb_cv_have_pt_getxmmregs=no])])
1385 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1386 if test $gdb_cv_have_pt_getxmmregs = yes; then
1387 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1388 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1391 # Detect which type of /proc is in use, such as for Solaris.
1393 if test "${target}" = "${host}"; then
1395 *-*-sysv4.2* | *-*-sysv5* )
1396 AC_DEFINE(NEW_PROC_API, 1,
1397 [Define if you want to use new multi-fd /proc interface.])
1399 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1400 AC_DEFINE(NEW_PROC_API, 1,
1401 [Define if you want to use new multi-fd /proc interface.])
1404 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1405 AC_DEFINE([_KMEMUSER], 1,
1406 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1407 around a <sys/proc.h> problem on IRIX 5.])
1412 if test "$ac_cv_header_sys_procfs_h" = yes; then
1413 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1414 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1415 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1416 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1417 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1418 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1419 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1420 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1421 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1422 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1423 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1426 dnl Check for broken prfpregset_t type
1428 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1429 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1430 dnl instead of the struct itself). We detect this here, and work
1431 dnl around it in gdb_proc_service.h.
1433 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1434 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1435 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1436 [AC_TRY_RUN([#include <sys/procfs.h>
1439 if (sizeof (prfpregset_t) == sizeof (void *))
1443 gdb_cv_prfpregset_t_broken=no,
1444 gdb_cv_prfpregset_t_broken=yes,
1445 gdb_cv_prfpregset_t_broken=yes)])
1446 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1447 if test $gdb_cv_prfpregset_t_broken = yes; then
1448 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1449 [Define if the prfpregset_t type is broken.])
1454 # Check if the compiler supports the `long long' type.
1456 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1457 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1458 [[extern long long foo;]],
1459 [[switch (foo & 2) { case 0: return 1; }]])],
1460 gdb_cv_c_long_long=yes,
1461 gdb_cv_c_long_long=no)])
1462 if test $gdb_cv_c_long_long != yes; then
1463 # libdecnumber requires long long.
1464 AC_MSG_ERROR([Compiler must support long long for GDB.])
1467 # Check if the compiler and runtime support printing long longs.
1469 AC_CACHE_CHECK([for long long support in printf],
1470 gdb_cv_printf_has_long_long,
1471 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1474 l = (l << 16) + 0x0123;
1475 l = (l << 16) + 0x4567;
1476 l = (l << 16) + 0x89ab;
1477 l = (l << 16) + 0xcdef;
1478 sprintf (buf, "0x%016llx", l);
1479 return (strcmp ("0x0123456789abcdef", buf));]])],
1480 gdb_cv_printf_has_long_long=yes,
1481 gdb_cv_printf_has_long_long=no,
1482 gdb_cv_printf_has_long_long=no)])
1483 if test $gdb_cv_printf_has_long_long = yes; then
1484 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1485 [Define to 1 if the "%ll" format works to print long longs.])
1488 # Check if the compiler and runtime support printing decfloats.
1490 AC_CACHE_CHECK([for decfloat support in printf],
1491 gdb_cv_printf_has_decfloat,
1492 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1494 _Decimal32 d32 = 1.2345df;
1495 _Decimal64 d64 = 1.2345dd;
1496 _Decimal128 d128 = 1.2345dl;
1497 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1498 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1499 gdb_cv_printf_has_decfloat=yes,
1500 gdb_cv_printf_has_decfloat=no,
1501 gdb_cv_printf_has_decfloat=no)])
1502 if test $gdb_cv_printf_has_decfloat = yes; then
1503 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1504 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1507 # Check if the compiler supports the `long double' type. We can't use
1508 # AC_C_LONG_DOUBLE because that one does additional checks on the
1509 # constants defined in <float.h> that fail on some systems,
1510 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1512 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1513 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1514 gdb_cv_c_long_double=yes,
1515 gdb_cv_c_long_double=no)])
1516 if test $gdb_cv_c_long_double = yes; then
1517 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1518 [Define to 1 if the compiler supports long double.])
1521 # Check if the compiler and runtime support printing long doubles.
1523 AC_CACHE_CHECK([for long double support in printf],
1524 gdb_cv_printf_has_long_double,
1525 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1527 long double f = 3.141592653;
1528 sprintf (buf, "%Lg", f);
1529 return (strncmp ("3.14159", buf, 7));]])],
1530 gdb_cv_printf_has_long_double=yes,
1531 gdb_cv_printf_has_long_double=no,
1532 gdb_cv_printf_has_long_double=no)])
1533 if test $gdb_cv_printf_has_long_double = yes; then
1534 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1535 [Define to 1 if the "%Lg" format works to print long doubles.])
1538 # Check if the compiler and runtime support scanning long doubles.
1540 AC_CACHE_CHECK([for long double support in scanf],
1541 gdb_cv_scanf_has_long_double,
1542 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1543 [[#include <stdio.h>]],
1544 [[char *buf = "3.141592653";
1546 sscanf (buf, "%Lg", &f);
1547 return !(f > 3.14159 && f < 3.14160);]])],
1548 gdb_cv_scanf_has_long_double=yes,
1549 gdb_cv_scanf_has_long_double=no,
1550 gdb_cv_scanf_has_long_double=no)])
1551 if test $gdb_cv_scanf_has_long_double = yes; then
1552 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1553 [Define to 1 if the "%Lg" format works to scan long doubles.])
1558 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1559 SAVE_LDFLAGS=$LDFLAGS
1562 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1563 *) gdb_cv_bigtoc=-bbigtoc ;;
1566 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1567 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1568 LDFLAGS="${SAVE_LDFLAGS}"
1570 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1574 AC_MSG_CHECKING(for the dynamic export flag)
1576 if test "${gdb_native}" = yes; then
1577 # The dynamically loaded libthread_db needs access to symbols in the gdb
1578 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1579 # may not be supported there.
1580 old_LDFLAGS="$LDFLAGS"
1581 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1582 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1583 LDFLAGS="$LDFLAGS $RDYNAMIC"
1584 if test "${have_libpython}" = no; then
1585 AC_TRY_LINK([], [], [dynamic_list=true])
1587 # Workaround http://bugs.python.org/issue4434 where static
1588 # libpythonX.Y.a would get its symbols required for
1589 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1590 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1591 old_CFLAGS="$CFLAGS"
1592 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1594 LIBS="$LIBS $PYTHON_LIBS"
1597 [#include "]${have_libpython}[/Python.h"],
1600 err = PyRun_SimpleString ("import itertools\n");
1602 return err == 0 ? 0 : 1;]),
1603 [dynamic_list=true], [], [true])
1605 CFLAGS="$old_CFLAGS"
1607 LDFLAGS="$old_LDFLAGS"
1609 if $dynamic_list; then
1610 found="-Wl,--dynamic-list"
1611 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1614 RDYNAMIC="-rdynamic"
1617 AC_MSG_RESULT($found)
1619 dnl For certain native configurations, we need to check whether thread
1620 dnl support can be built in or not.
1622 dnl Note that we only want this if we are both native (host == target),
1623 dnl and not doing a canadian cross build (build == host).
1625 if test ${build} = ${host} -a ${host} = ${target} ; then
1628 # See if thread_db library is around for Solaris thread debugging.
1629 # Note that we must explicitly test for version 1 of the library
1630 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1632 AC_MSG_CHECKING(for Solaris thread debugging library)
1633 if test -f /usr/lib/libthread_db.so.1 ; then
1635 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1636 [Define if using Solaris thread debugging.])
1637 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1638 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1639 AC_CHECK_LIB(dl, dlopen)
1640 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1641 # Sun randomly tweaked the prototypes in <proc_service.h>
1643 AC_MSG_CHECKING(if <proc_service.h> is old)
1644 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1646 #include <proc_service.h>
1648 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1649 ],, gdb_cv_proc_service_is_old=no,
1650 gdb_cv_proc_service_is_old=yes)
1652 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1653 if test $gdb_cv_proc_service_is_old = yes; then
1654 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1655 [Define if <proc_service.h> on solaris uses int instead of
1656 size_t, and assorted other type changes.])
1663 AC_MSG_CHECKING(for AiX thread debugging library)
1664 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1665 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1666 [#ifndef PTHDB_VERSION_3
1669 gdb_cv_have_aix_thread_debug=yes,
1670 gdb_cv_have_aix_thread_debug=no)])
1671 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1672 if test $gdb_cv_have_aix_thread_debug = yes; then
1673 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1674 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1675 LIBS="$LIBS -lpthdebug"
1677 # Older versions of AIX do not provide the declaration for
1678 # the getthrds function (it appears that it was introduced
1680 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1684 AC_SUBST(CONFIG_LDFLAGS)
1687 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1688 dnl other error codes.
1689 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1690 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1691 gdb_cv_thread_db_h_has_td_notalloc,
1693 [#include <thread_db.h>],
1694 [int i = TD_NOTALLOC;],
1695 gdb_cv_thread_db_h_has_td_notalloc=yes,
1696 gdb_cv_thread_db_h_has_td_notalloc=no
1699 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1700 gdb_cv_thread_db_h_has_td_version,
1702 [#include <thread_db.h>],
1703 [int i = TD_VERSION;],
1704 gdb_cv_thread_db_h_has_td_version=yes,
1705 gdb_cv_thread_db_h_has_td_version=no
1708 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1709 gdb_cv_thread_db_h_has_td_notls,
1711 [#include <thread_db.h>],
1712 [int i = TD_NOTLS;],
1713 gdb_cv_thread_db_h_has_td_notls=yes,
1714 gdb_cv_thread_db_h_has_td_notls=no
1718 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1719 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1720 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1722 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1723 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1724 [Define if <thread_db.h> has the TD_VERSION error code.])
1726 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1727 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1728 [Define if <thread_db.h> has the TD_NOTLS error code.])
1731 dnl See if we have a sys/syscall header file that has __NR_tkill.
1732 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1733 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1734 gdb_cv_sys_syscall_h_has_tkill,
1736 [#include <sys/syscall.h>],
1737 [int i = __NR_tkill;],
1738 gdb_cv_sys_syscall_h_has_tkill=yes,
1739 gdb_cv_sys_syscall_h_has_tkill=no
1743 dnl See if we can issue tkill syscall.
1744 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then
1745 AC_CHECK_FUNC(syscall,
1746 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1750 dnl Check if we can disable the virtual address space randomization.
1751 dnl The functionality of setarch -R.
1752 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1753 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1754 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1755 # define ADDR_NO_RANDOMIZE 0x0040000
1757 /* Test the flag could be set and stays set. */
1758 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1759 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1761 AC_RUN_IFELSE([PERSONALITY_TEST],
1762 [have_personality=true],
1763 [have_personality=false],
1764 [AC_LINK_IFELSE([PERSONALITY_TEST],
1765 [have_personality=true],
1766 [have_personality=false])])
1767 if $have_personality
1769 AC_DEFINE([HAVE_PERSONALITY], 1,
1770 [Define if you support the personality syscall.])
1773 dnl Set the host's .gdbinit filename.
1782 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1784 dnl Handle optional features that can be enabled.
1786 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1787 # except that the argument to --with-sysroot is optional.
1788 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1789 if test "x$with_sysroot" = xyes; then
1790 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1792 AC_ARG_WITH(sysroot,
1793 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1794 [search for usr/lib et al within DIR]),
1795 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1796 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1797 [search for usr/lib et al within DIR])
1798 AC_SUBST(TARGET_SYSTEM_ROOT)
1799 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1801 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1802 [automatically load a system-wide gdbinit file],
1805 AC_ARG_ENABLE(werror,
1806 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1807 [case "${enableval}" in
1808 yes | y) ERROR_ON_WARNING="yes" ;;
1809 no | n) ERROR_ON_WARNING="no" ;;
1810 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1813 # Enable -Werror by default when using gcc. Turn it off for releases.
1814 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
1815 ERROR_ON_WARNING=yes
1819 if test "${ERROR_ON_WARNING}" = yes ; then
1820 WERROR_CFLAGS="-Werror"
1823 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1825 -Wno-unused -Wunused-value -Wunused-function \
1826 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
1827 -Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
1828 -Wold-style-declaration -Wold-style-definition"
1830 # Enable -Wno-format by default when using gcc on mingw since many
1831 # GCC versions complain about %I64.
1833 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1834 *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
1837 AC_ARG_ENABLE(build-warnings,
1838 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1839 [case "${enableval}" in
1841 no) build_warnings="-w";;
1842 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1843 build_warnings="${build_warnings} ${t}";;
1844 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1845 build_warnings="${t} ${build_warnings}";;
1846 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1848 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1849 echo "Setting compiler warning flags = $build_warnings" 6>&1
1851 AC_ARG_ENABLE(gdb-build-warnings,
1852 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1853 [case "${enableval}" in
1855 no) build_warnings="-w";;
1856 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1857 build_warnings="${build_warnings} ${t}";;
1858 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1859 build_warnings="${t} ${build_warnings}";;
1860 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1862 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1863 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1866 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1868 AC_MSG_CHECKING(compiler warning flags)
1869 # Separate out the -Werror flag as some files just cannot be
1870 # compiled with it enabled.
1871 for w in ${build_warnings}; do
1873 -Werr*) WERROR_CFLAGS=-Werror ;;
1874 *) # Check that GCC accepts it
1875 saved_CFLAGS="$CFLAGS"
1877 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1878 CFLAGS="$saved_CFLAGS"
1881 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1883 AC_SUBST(WARN_CFLAGS)
1884 AC_SUBST(WERROR_CFLAGS)
1886 # In the Cygwin environment, we need some additional flags.
1887 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1888 [AC_EGREP_CPP(^lose$, [
1889 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1891 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1894 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1895 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1897 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1898 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1899 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1901 AC_SUBST(SER_HARDWIRE)
1903 # libreadline needs libuser32.a in a cygwin environment
1905 if test x$gdb_cv_os_cygwin = xyes; then
1906 WIN32LIBS="-luser32"
1908 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1913 # The ser-tcp.c module requires sockets.
1916 AC_DEFINE(USE_WIN32API, 1,
1917 [Define if we should use the Windows API, instead of the
1918 POSIX API. On Windows, we use the Windows API when
1919 building for MinGW, but the POSIX API when building
1921 WIN32LIBS="$WIN32LIBS -lws2_32"
1926 # Add ELF support to GDB, but only if BFD includes ELF support.
1927 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1928 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1929 if test $gdb_cv_var_elf = yes; then
1930 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
1931 AC_DEFINE(HAVE_ELF, 1,
1932 [Define if ELF support should be included.])
1933 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1934 if test "$plugins" = "yes"; then
1935 AC_SEARCH_LIBS(dlopen, dl)
1939 # Add macho support to GDB, but only if BFD includes it.
1940 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1941 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1942 if test $gdb_cv_var_macho = yes; then
1943 CONFIG_OBS="$CONFIG_OBS machoread.o"
1946 # Add SOM support to GDB, but only if BFD includes it.
1947 GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
1948 [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
1949 if test $gdb_cv_var_som = yes; then
1950 CONFIG_OBS="$CONFIG_OBS somread.o"
1953 # Add any host-specific objects to GDB.
1954 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1956 # If building on ELF, look for lzma support for embedded compressed debug info.
1957 if test $gdb_cv_var_elf = yes; then
1959 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1960 [], [with_lzma=auto])
1961 AC_MSG_CHECKING([whether to use lzma])
1962 AC_MSG_RESULT([$with_lzma])
1964 if test "${with_lzma}" != no; then
1965 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1966 [lzma_index_iter iter;
1967 lzma_index_iter_init (&iter, 0);
1968 lzma_mf_is_supported (LZMA_MF_HC3);])
1969 if test "$HAVE_LIBLZMA" != yes; then
1970 if test "$with_lzma" = yes; then
1971 AC_MSG_ERROR([missing liblzma for --with-lzma])
1977 LIBGUI="../libgui/src/libgui.a"
1978 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1980 AC_SUBST(GUI_CFLAGS_X)
1984 AC_SUBST(WIN32LDAPP)
1987 *-*-cygwin* | *-*-mingw* )
1996 if test "${enable_gdbtk}" = "yes"; then
1998 # Gdbtk must have an absolute path to srcdir in order to run
1999 # properly when not installed.
2007 # If $no_tk is nonempty, then we can't do Tk, and there is no
2008 # point to doing Tcl.
2011 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2014 # Check for in-tree tcl
2021 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2025 # Find Tcl private headers
2026 if test x"${intree}" = xno; then
2027 CY_AC_TCL_PRIVATE_HEADERS
2028 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2029 TCL_LIBRARY="${TCL_LIB_SPEC}"
2032 # If building tcl in the same src tree, private headers
2033 # are not needed, but we need to be sure to use the right
2035 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2036 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2037 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2039 AC_SUBST(TCL_INCLUDE)
2040 AC_SUBST(TCL_LIBRARY)
2045 # Check for in-tree Tk
2047 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2051 # Find Tk private headers
2052 if test x"${intree}" = xno; then
2053 CY_AC_TK_PRIVATE_HEADERS
2054 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2055 TK_LIBRARY=${TK_LIB_SPEC}
2058 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2059 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2060 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2062 AC_SUBST(TK_INCLUDE)
2063 AC_SUBST(TK_LIBRARY)
2065 AC_SUBST(TK_XINCLUDES)
2067 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2069 # Include some libraries that Tcl and Tk want.
2070 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2071 # Yes, the ordering seems wrong here. But it isn't.
2072 # TK_LIBS is the list of libraries that need to be linked
2073 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2074 # were in LIBS then any link tests after this point would
2075 # try to include things like `$(LIBGUI)', which wouldn't work.
2076 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2078 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2079 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2080 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2081 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2082 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2083 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2084 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2086 if test x$gdb_cv_os_cygwin = xyes; then
2087 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2088 WIN32LDAPP="-Wl,--subsystem,console"
2089 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2092 AC_CONFIG_SUBDIRS(gdbtk)
2100 AC_SUBST(GDBTK_CFLAGS)
2101 AC_SUBST(GDBTK_SRC_DIR)
2105 # Unlike the sim directory, whether a simulator is linked is controlled by
2106 # presence of a gdb_sim definition in the target configure.tgt entry.
2107 # This code just checks for a few cases where we'd like to ignore those
2108 # definitions, even when they're present in the '.mt' file. These cases
2109 # are when --disable-sim is specified, or if the simulator directory is
2110 # not part of the source tree.
2113 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2114 [echo "enable_sim = $enable_sim";
2115 echo "enableval = ${enableval}";
2116 case "${enableval}" in
2117 yes) ignore_sim=false ;;
2118 no) ignore_sim=true ;;
2119 *) ignore_sim=false ;;
2123 if test ! -d "${srcdir}/../sim"; then
2129 if test "${ignore_sim}" = "false"; then
2130 if test x"${gdb_sim}" != x ; then
2132 SIM_OBS="remote-sim.o"
2133 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2139 AC_SUBST(ENABLE_CFLAGS)
2140 AC_SUBST(PROFILE_CFLAGS)
2142 AC_SUBST(CONFIG_OBS)
2143 AC_SUBST(CONFIG_DEPS)
2144 AC_SUBST(CONFIG_SRCS)
2145 AC_SUBST(CONFIG_ALL)
2146 AC_SUBST(CONFIG_CLEAN)
2147 AC_SUBST(CONFIG_INSTALL)
2148 AC_SUBST(CONFIG_UNINSTALL)
2150 # List of host floatformats.
2151 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2152 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2153 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2155 # target_subdir is used by the testsuite to find the target libraries.
2157 if test "${host}" != "${target}"; then
2158 target_subdir="${target_alias}/"
2160 AC_SUBST(target_subdir)
2163 if test "${gdb_native}" = "yes"; then
2164 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2165 if test ! -f ${host_makefile_frag}; then
2166 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2168 frags="$frags $host_makefile_frag"
2170 host_makefile_frag=/dev/null
2173 AC_SUBST_FILE(host_makefile_frag)
2177 if test "${gdb_native}" = "yes"; then
2178 # We pick this up from the host configuration file (.mh) because we
2179 # do not have a native configuration Makefile fragment.
2180 nativefile=`sed -n '
2181 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2182 ' ${host_makefile_frag}`
2186 if test x"${gdb_osabi}" != x ; then
2187 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2188 [Define to the default OS ABI for this configuration.])
2191 # Enable multi-ice-gdb-server.
2192 AC_ARG_ENABLE(multi-ice,
2193 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2197 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2199 if test "x$enable_multi_ice" = xyes; then
2200 AC_CONFIG_SUBDIRS(multi-ice)
2203 AC_ARG_ENABLE(gdbserver,
2204 AS_HELP_STRING([--enable-gdbserver],
2205 [automatically build gdbserver (yes/no/auto, default is auto)]),
2206 [case "${enableval}" in
2208 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2209 esac],[enable_gdbserver=auto])
2211 # We only build gdbserver automatically in a native configuration, and
2212 # only if the user did not explicitly disable its build.
2213 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2214 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2215 if test "x$build_gdbserver" = xyes; then
2217 AC_CONFIG_SUBDIRS(gdbserver)
2218 gdbserver_build_enabled=yes
2224 # If the user explicitly request the gdbserver to be built, verify that
2225 # we were in fact able to enable it.
2226 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2227 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2230 # Check for babeltrace and babeltrace-ctf
2231 AC_ARG_WITH(babeltrace,
2232 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2233 [], [with_babeltrace=auto])
2234 AC_MSG_CHECKING([whether to use babeltrace])
2235 AC_MSG_RESULT([$with_babeltrace])
2237 if test "x$with_babeltrace" = "xno"; then
2238 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2240 # Append -Werror to CFLAGS so that configure can catch the warning
2241 # "assignment from incompatible pointer type", which is related to
2242 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2243 # in GDB, while babeltrace 1.0.3 is broken.
2244 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2245 # safe to save and restore CFLAGS here.
2246 saved_CFLAGS=$CFLAGS
2247 CFLAGS="$CFLAGS -Werror"
2248 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2249 [#include <babeltrace/babeltrace.h>
2250 #include <babeltrace/ctf/events.h>
2251 #include <babeltrace/ctf/iterator.h>],
2252 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2253 struct bt_ctf_event *event = NULL;
2254 const struct bt_definition *scope;
2256 scope = bt_ctf_get_top_level_scope (event,
2257 BT_STREAM_EVENT_HEADER);
2258 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2260 CFLAGS=$saved_CFLAGS
2262 if test "$HAVE_LIBBABELTRACE" != yes; then
2263 if test "$with_babeltrace" = yes; then
2264 AC_MSG_ERROR([babeltrace is missing or unusable])
2266 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2271 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2272 # to an empty version.
2278 if test "${nativefile}" != ""; then
2279 case "${nativefile}" in
2280 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2281 * ) GDB_NM_FILE="${nativefile}"
2283 files="${files} ${GDB_NM_FILE}"
2284 links="${links} nm.h"
2285 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2287 AC_SUBST(GDB_NM_FILE)
2289 AC_LINK_FILES($files, $links)
2291 dnl Check for exe extension set on certain hosts (e.g. Win32)
2294 dnl Detect the character set used by this host.
2295 dnl At the moment, we just assume it's UTF-8.
2296 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2297 [Define to be a string naming the default host character set.])
2299 # Undo the $ec_script escaping suitable for Makefile.
2300 transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'`
2301 GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"`
2302 if test "x$GDB_TRANSFORM_NAME" = x; then
2303 GDB_TRANSFORM_NAME=gdb
2305 AC_SUBST(GDB_TRANSFORM_NAME)
2306 GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"`
2307 if test "x$GCORE_TRANSFORM_NAME" = x; then
2308 GCORE_TRANSFORM_NAME=gcore
2310 AC_SUBST(GCORE_TRANSFORM_NAME)
2311 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2313 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2315 case x$CONFIG_HEADERS in
2316 xconfig.h:config.in)