1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2017 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 . $srcdir/../bfd/development.sh
32 AC_USE_SYSTEM_EXTENSIONS
41 # We require a C++11 compiler. Check if one is available, and if
42 # necessary, set CXX_DIALECT to some -std=xxx switch.
43 AX_CXX_COMPILE_STDCXX(11, , mandatory)
45 # Dependency checking.
47 ZW_PROG_COMPILER_DEPENDENCIES([CC])
49 gnulib_extra_configure_args=
50 # If large-file support is disabled, make sure gnulib does the same.
51 if test "$enable_largefile" = no; then
52 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
55 # Configure gnulib. We need to build gnulib under some other
56 # directory not "gnulib", to avoid the problem of both GDB and
57 # GDBserver wanting to build it in the same directory, when building
59 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
60 ["$gnulib_extra_configure_args"])
62 dnl List of object files and targets accumulated by configure.
74 dnl Set up for gettext.
75 ZW_GNU_GETTEXT_SISTER_DIR
77 localedir='${datadir}/locale'
80 if test x"$USE_NLS" = xyes; then
81 CONFIG_ALL="$CONFIG_ALL all-po"
82 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
83 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
84 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
87 GNULIB=build-gnulib/import
89 # For Makefile dependencies.
91 if test x"$STDINT_H" != x; then
92 GNULIB_STDINT_H=$GNULIB/$STDINT_H
94 AC_SUBST(GNULIB_STDINT_H)
97 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
100 # We never need to detect it in this sub-configure.
101 # But preserve it for config.status --recheck.
103 [Parent configure detects if it is of sufficient version.])
104 AC_ARG_VAR(MAKEINFOFLAGS,
105 [Parameters for MAKEINFO.])
107 MAKEINFO_EXTRA_FLAGS=""
108 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
109 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
110 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
111 gdb_cv_have_makeinfo_click=yes
113 gdb_cv_have_makeinfo_click=no
115 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
116 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
118 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
120 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
121 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
124 # We can't pass paths as command line arguments.
125 # Mingw32 tries to be clever and will convert the paths for us.
126 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
127 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
128 # This breaks GDB's relocatable path conversions since paths passed in
129 # config.h would not get so translated, the path prefixes no longer match.
130 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
132 # GDB's datadir relocation
134 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
135 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
138 AC_ARG_WITH(relocated-sources,
139 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
140 [reloc_srcdir="${withval}"
141 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
142 [Relocated directory for source files. ])
145 AC_MSG_CHECKING([for default auto-load directory])
146 AC_ARG_WITH(auto-load-dir,
147 AS_HELP_STRING([--with-auto-load-dir=PATH],
148 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
149 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
150 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
151 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
152 [Directories from which to load auto-loaded scripts.])
153 AC_MSG_RESULT([$with_auto_load_dir])
155 AC_MSG_CHECKING([for default auto-load safe-path])
156 AC_ARG_WITH(auto-load-safe-path,
157 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
158 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
159 AS_HELP_STRING([--without-auto-load-safe-path],
160 [do not restrict auto-loaded files locations]),
161 [if test "$with_auto_load_safe_path" = "no"; then
162 with_auto_load_safe_path="/"
164 [with_auto_load_safe_path="$with_auto_load_dir"])
165 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
166 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
167 [Directories safe to hold auto-loaded files.])
168 AC_MSG_RESULT([$with_auto_load_safe_path])
170 AC_CONFIG_SUBDIRS(testsuite)
172 # Check whether to support alternative target configurations
173 AC_ARG_ENABLE(targets,
174 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
175 [case "${enableval}" in
176 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
178 no) enable_targets= ;;
179 *) enable_targets=$enableval ;;
182 # Check whether to enable 64-bit support on 32-bit hosts
183 AC_ARG_ENABLE(64-bit-bfd,
184 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
185 [case "${enableval}" in
188 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
189 esac],[want64=false])dnl
191 # Provide defaults for some variables set by the per-host and per-target
193 gdb_host_obs=posix-hdep.o
195 if test "${target}" = "${host}"; then
201 . $srcdir/configure.host
203 # Add in the common host objects.
204 . $srcdir/common/common.host
205 gdb_host_obs="$gdb_host_obs $common_host_obs"
207 # Accumulate some settings from configure.tgt over all enabled targets
211 HAVE_NATIVE_GCORE_TARGET=
213 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
215 if test "$targ_alias" = "all"; then
218 # Canonicalize the secondary target names.
219 result=`$ac_config_sub $targ_alias 2>/dev/null`
220 if test -n "$result"; then
226 . ${srcdir}/configure.tgt
228 AS_IF([test -z "${gdb_target_obs}"],
229 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
231 # Target-specific object files
232 for i in ${gdb_target_obs}; do
233 case " $TARGET_OBS " in
236 TARGET_OBS="$TARGET_OBS ${i}"
241 # Check whether this target needs 64-bit CORE_ADDR
242 if test x${want64} = xfalse; then
243 . ${srcdir}/../bfd/config.bfd
246 # Check whether this target is native and supports gcore.
247 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
248 && $gdb_have_gcore; then
249 HAVE_NATIVE_GCORE_TARGET=1
254 if test x${all_targets} = xtrue; then
256 # We want all 64-bit targets if we either:
257 # - run on a 64-bit host or
258 # - already require 64-bit support for some other target or
259 # - the --enable-64-bit-bfd option was supplied
260 # Otherwise we only support all 32-bit targets.
262 # NOTE: This test must be in sync with the corresponding
265 if test x${want64} = xfalse; then
266 AC_CHECK_SIZEOF(long)
267 if test "x${ac_cv_sizeof_long}" = "x8"; then
271 if test x${want64} = xtrue; then
272 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
274 TARGET_OBS='$(ALL_TARGET_OBS)'
279 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
281 # For other settings, only the main target counts.
285 targ=$target; . ${srcdir}/configure.tgt
287 # Fetch the default architecture and default target vector from BFD.
288 targ=$target; . $srcdir/../bfd/config.bfd
290 # We only want the first architecture, so strip off the others if
291 # there is more than one.
292 targ_archs=`echo $targ_archs | sed 's/ .*//'`
294 if test "x$targ_archs" != x; then
295 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
296 [Define to BFD's default architecture. ])
298 if test "x$targ_defvec" != x; then
299 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
300 [Define to BFD's default target vector. ])
303 # The CLI cannot be disabled yet, but may be in the future.
306 AC_ARG_ENABLE(gdbcli,
307 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
312 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
314 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
317 if test x"$enable_gdbcli" = xyes; then
318 if test -d $srcdir/cli; then
319 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
320 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
321 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
322 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
328 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
333 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
336 if test x"$enable_gdbmi" = xyes; then
337 if test -d $srcdir/mi; then
338 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
339 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
340 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
341 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
347 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
352 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
353 esac],enable_tui=auto)
357 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
362 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
364 [if test -d $srcdir/gdbtk; then
369 # We unconditionally disable gdbtk tests on selected platforms.
372 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
376 # Libunwind support for ia64.
378 AC_ARG_WITH(libunwind-ia64,
379 AS_HELP_STRING([--with-libunwind-ia64],
380 [use libunwind frame unwinding for ia64 targets]),,
381 [with_libunwind_ia64=auto])
383 # Backward compatibility option.
384 if test "${with_libunwind+set}" = set; then
385 if test x"$with_libunwind_ia64" != xauto; then
387 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
389 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
390 with_libunwind_ia64="$with_libunwind"
393 case "$with_libunwind_ia64" in
397 AC_CHECK_HEADERS(libunwind-ia64.h)
398 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
402 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
406 if test x"$with_libunwind_ia64" = xyes; then
407 AC_CHECK_HEADERS(libunwind-ia64.h)
408 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
409 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
411 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
412 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
413 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
417 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
420 if test "$opt_curses" = "yes"; then
425 AC_ARG_ENABLE(profiling,
426 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
431 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
433 [enable_profiling=no])
435 AC_CHECK_FUNCS(monstartup _mcleanup)
436 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
441 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
442 if test $ac_cv_var__etext = yes; then
443 AC_DEFINE(HAVE__ETEXT, 1,
444 [Define to 1 if your system has the _etext variable. ])
446 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
451 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
452 if test $ac_cv_var_etext = yes; then
453 AC_DEFINE(HAVE_ETEXT, 1,
454 [Define to 1 if your system has the etext variable. ])
456 if test "$enable_profiling" = yes ; then
457 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
458 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
462 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
464 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
465 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
466 ac_cv_cc_supports_pg=no)])
468 if test $ac_cv_cc_supports_pg = no; then
469 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
475 ACX_PKGVERSION([GDB])
476 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
477 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
478 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
480 # --------------------- #
481 # Checks for programs. #
482 # --------------------- #
490 AC_CHECK_TOOL(AR, ar)
491 AC_CHECK_TOOL(DLLTOOL, dlltool)
492 AC_CHECK_TOOL(WINDRES, windres)
496 # Needed for GNU Hurd hosts.
497 AC_CHECK_TOOL(MIG, mig)
498 if test x"$MIG" = x; then
499 AC_MSG_ERROR([MIG not found but required for $host hosts])
504 # ---------------------- #
505 # Checks for libraries. #
506 # ---------------------- #
508 # We might need to link with -lm; most simulators need it.
509 AC_CHECK_LIB(m, main)
511 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
512 AC_SEARCH_LIBS(gethostbyname, nsl)
514 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
515 AC_SEARCH_LIBS(socketpair, socket)
517 # Link in zlib if we can. This allows us to read compressed debug sections.
520 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
521 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
522 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
523 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
524 [Define to 1 if your system has the kinfo_getvmmap function. ])])
528 # GDB may fork/exec the iconv program to get the list of supported character
529 # sets. Allow the user to specify where to find it.
530 # There are several factors affecting the choice of option name:
531 # - There is already --with-libiconv-prefix but we can't use it, it specifies
532 # the build-time location of libiconv files.
533 # - The program we need to find is iconv, which comes with glibc. The user
534 # doesn't necessarily have libiconv installed. Therefore naming this
535 # --with-libiconv-foo feels wrong.
536 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
537 # defined to work on directories not files (though it really doesn't know
539 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
540 # with --with-libiconv-prefix.
541 # Putting these together is why the option name is --with-iconv-bin.
543 AC_ARG_WITH(iconv-bin,
544 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
545 [iconv_bin="${withval}"
546 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
547 [Path of directory of iconv program.])
548 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
551 # For the TUI, we need enhanced curses functionality.
552 if test x"$enable_tui" != xno; then
557 if test x"$prefer_curses" = xyes; then
558 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
559 # curses library because the latter might not provide all the
560 # functionality we need. However, this leads to problems on systems
561 # where the linker searches /usr/local/lib, but the compiler doesn't
562 # search /usr/local/include, if ncurses is installed in /usr/local. A
563 # default installation of ncurses on alpha*-dec-osf* will lead to such
565 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
567 if test "$ac_cv_search_waddstr" != no; then
572 # Check whether we should enable the TUI, but only do so if we really
574 if test x"$enable_tui" != xno; then
575 if test -d $srcdir/tui; then
576 if test "$curses_found" != no; then
577 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
578 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
579 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
580 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
582 if test x"$enable_tui" = xyes; then
583 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
585 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
591 # Since GDB uses Readline, we need termcap functionality. In many
592 # cases this will be provided by the curses library, but some systems
593 # have a separate termcap library, or no curses library at all.
597 if test -d $srcdir/libtermcap; then
598 LIBS="../libtermcap/libtermcap.a $LIBS"
599 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
602 ac_cv_search_tgetent="none required"
606 # These are the libraries checked by Readline.
607 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncursesw ncurses])
609 if test "$ac_cv_search_tgetent" = no; then
610 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
613 AC_ARG_WITH([system-readline],
614 [AS_HELP_STRING([--with-system-readline],
615 [use installed readline library])])
617 if test "$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 $LIBEXPAT"
682 AC_CHECK_FUNCS(XML_StopParser)
688 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
689 [], [with_mpfr=auto])
690 AC_MSG_CHECKING([whether to use MPFR])
691 AC_MSG_RESULT([$with_mpfr])
693 if test "${with_mpfr}" = no; then
694 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
697 AC_LIB_HAVE_LINKFLAGS([mpfr], [], [#include <mpfr.h>],
698 [mpfr_exp_t exp; mpfr_t x;
699 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
700 if test "$HAVE_LIBMPFR" != yes; then
701 if test "$with_mpfr" = yes; then
702 AC_MSG_ERROR([MPFR is missing or unusable])
704 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
709 # --------------------- #
710 # Check for libpython. #
711 # --------------------- #
713 dnl Utility to simplify finding libpython.
715 dnl $2 = the shell variable to assign the result to
716 dnl If libpython is found we store $version here.
717 dnl $3 = additional flags to add to CPPFLAGS
718 dnl $4 = additional flags to add to LIBS
720 AC_DEFUN([AC_TRY_LIBPYTHON],
723 define([have_libpython_var],$2)
726 AC_MSG_CHECKING([for ${version}])
727 save_CPPFLAGS=$CPPFLAGS
729 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
730 LIBS="$LIBS $new_LIBS"
731 found_usable_python=no
732 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
733 [[Py_Initialize ();]]),
734 [have_libpython_var=${version}
735 found_usable_python=yes
736 PYTHON_CPPFLAGS=$new_CPPFLAGS
737 PYTHON_LIBS=$new_LIBS])
738 CPPFLAGS=$save_CPPFLAGS
740 AC_MSG_RESULT([${found_usable_python}])
743 dnl There are several different values for --with-python:
745 dnl no - Don't include python support.
746 dnl yes - Include python support, error if it's missing.
747 dnl If we find python in $PATH, use it to fetch configure options,
748 dnl otherwise assume the compiler can find it with no help from us.
749 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
750 dnl auto - Same as "yes", but if python is missing from the system,
751 dnl fall back to "no".
752 dnl /path/to/python/exec-prefix -
753 dnl Use the python located in this directory.
754 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
755 dnl the compilation parameters. Otherwise use
756 dnl -I/path/to/python/exec-prefix/include,
757 dnl -L/path/to/python/exec-prefix/lib.
758 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
759 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
760 dnl but is deprecated.
761 dnl /path/to/python/executable -
762 dnl Run python-config.py with this version of python to fetch the
763 dnl compilation parameters.
764 dnl NOTE: This needn't be the real python executable.
765 dnl In a cross-compilation scenario (build != host), this could be
766 dnl a shell script that provides what python-config.py provides for
767 dnl --ldflags, --includes, --exec-prefix.
768 dnl python-executable -
769 dnl Find python-executable in $PATH, and then handle the same as
770 dnl /path/to/python/executable.
772 dnl If a python program is specified, it is used to run python-config.py and
773 dnl is passed --ldflags, --includes, --exec-prefix.
776 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
777 [], [with_python=auto])
778 AC_MSG_CHECKING([whether to use python])
779 AC_MSG_RESULT([$with_python])
781 if test "${with_python}" = no; then
782 AC_MSG_WARN([python support disabled; some features may be unavailable.])
785 case "${with_python}" in
786 [[\\/]]* | ?:[[\\/]]*)
787 if test -d ${with_python}; then
788 # Assume the python binary is ${with_python}/bin/python.
789 python_prog="${with_python}/bin/python"
791 # If python does not exit ${with_python}/bin, then try in
792 # ${with_python}. On Windows/MinGW, this is where the Python
794 if test ! -x "${python_prog}"; then
795 python_prog="${with_python}/python"
798 if test ! -x "${python_prog}"; then
799 # Fall back to gdb 7.0/7.1 behaviour.
801 python_prefix=${with_python}
803 elif test -x "${with_python}"; then
804 # While we can't run python compiled for $host (unless host == build),
805 # the user could write a script that provides the needed information,
806 # so we support that.
807 python_prog=${with_python}
810 AC_ERROR(invalid value for --with-python)
814 # Disallow --with-python=foo/bar.
815 AC_ERROR(invalid value for --with-python)
818 # The user has either specified auto, yes, or the name of the python
819 # program assumed to be in $PATH.
821 case "${with_python}" in
823 if test ${build} = ${host}; then
824 AC_PATH_PROG(python_prog_path, python, missing)
825 if test "${python_prog_path}" = missing; then
828 python_prog=${python_prog_path}
831 # Not much we can do except assume the cross-compiler will find the
837 # While we can't run python compiled for $host (unless host == build),
838 # the user could write a script that provides the needed information,
839 # so we support that.
840 python_prog="${with_python}"
841 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
842 if test "${python_prog_path}" = missing; then
843 AC_ERROR(unable to find python program ${python_prog})
849 if test "${python_prog}" != missing; then
850 # We have a python program to use, but it may be too old.
851 # Don't flag an error for --with-python=auto (the default).
852 have_python_config=yes
853 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
854 if test $? != 0; then
855 have_python_config=failed
856 if test "${with_python}" != auto; then
857 AC_ERROR(failure running python-config --includes)
860 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
861 if test $? != 0; then
862 have_python_config=failed
863 if test "${with_python}" != auto; then
864 AC_ERROR(failure running python-config --ldflags)
867 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
868 if test $? != 0; then
869 have_python_config=failed
870 if test "${with_python}" != auto; then
871 AC_ERROR(failure running python-config --exec-prefix)
875 # We do not have a python executable we can use to determine where
876 # to find the Python headers and libs. We cannot guess the include
877 # path from the python_prefix either, because that include path
878 # depends on the Python version. So, there is nothing much we can
879 # do except assume that the compiler will be able to find those files.
882 have_python_config=no
885 # If we have python-config, only try the configuration it provides.
886 # Otherwise fallback on the old way of trying different versions of
890 if test "${have_python_config}" = yes; then
891 # Determine the Python version by extracting "-lpython<version>"
892 # part of the python_libs. <version> is usually X.Y with X and Y
893 # being decimal numbers, but can also be XY (seen on Windows).
895 # The extraction is performed using sed with a regular expression.
896 # Initially, the regexp used was using the '?' quantifier to make
897 # the dot in the version number optional. Unfortunately, this
898 # does not work with non-GNU versions of sed because, because of
899 # what looks like a limitation (the '?' quantifier does not work
900 # with back-references). We work around this limitation by using
901 # the '*' quantifier instead. It means that, in theory, we might
902 # match unexpected version strings such as "-lpython2..7", but
903 # this seems unlikely in practice. And even if that happens,
904 # an error will be triggered later on, when checking that version
906 python_version=`echo " ${python_libs} " \
907 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
908 case "${python_version}" in
910 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
911 ${python_includes}, ${python_libs})
914 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
917 elif test "${have_python_config}" != failed; then
918 if test "${have_libpython}" = no; then
919 AC_TRY_LIBPYTHON(python2.7, have_libpython,
920 ${python_includes}, "${python_libs} -lpython2.7")
922 if test "${have_libpython}" = no; then
923 AC_TRY_LIBPYTHON(python2.6, have_libpython,
924 ${python_includes}, "${python_libs} -lpython2.6")
926 if test ${have_libpython} = no; then
927 AC_TRY_LIBPYTHON(python2.5, have_libpython,
928 ${python_includes}, "${python_libs} -lpython2.5")
930 if test ${have_libpython} = no; then
931 AC_TRY_LIBPYTHON(python2.4, have_libpython,
932 ${python_includes}, "${python_libs} -lpython2.4")
935 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
936 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
937 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
938 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
939 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
940 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
941 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
942 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
945 if test "${have_libpython}" = no; then
946 case "${with_python}" in
948 AC_MSG_ERROR([python is missing or unusable])
951 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
954 AC_MSG_ERROR([no usable python found at ${with_python}])
958 if test -n "${python_prefix}"; then
959 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
960 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
961 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
966 if test "${have_libpython}" != no; then
967 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
968 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
969 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
970 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
971 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
972 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
974 # Flags needed to compile Python code (taken from python-config --cflags).
975 # We cannot call python-config directly because it will output whatever was
976 # used when compiling the Python interpreter itself, including flags which
977 # would make the python-related objects be compiled differently from the
978 # rest of GDB (e.g., -O2 and -fPIC).
979 if test "${GCC}" = yes; then
980 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
983 if test "x${tentative_python_cflags}" != x; then
984 AC_MSG_CHECKING(compiler flags for python code)
985 for flag in ${tentative_python_cflags}; do
986 # Check that the compiler accepts it
987 saved_CFLAGS="$CFLAGS"
988 CFLAGS="$CFLAGS $flag"
989 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
990 CFLAGS="$saved_CFLAGS"
992 AC_MSG_RESULT(${PYTHON_CFLAGS})
995 # On x64 Windows, Python's include headers, and pyconfig.h in
996 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
997 # version of Windows. Unfortunately, MS_WIN64 is only defined if
998 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
999 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
1000 # The issue was reported to the Python community, but still isn't
1001 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1005 if test "${GCC}" = yes; then
1006 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1011 # Note that "python -m threading" cannot be used to check for
1012 # threading support due to a bug in Python 2.7.3
1013 # (http://bugs.python.org/issue15567).
1014 AC_MSG_CHECKING(whether python supports threads)
1015 saved_CPPFLAGS="${CPPFLAGS}"
1016 CPPFLAGS="${PYTHON_CPPFLAGS}"
1017 # Note that the test is reversed so that python_has_threads=yes on
1018 # unexpected failures.
1019 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1024 ]]), [python_has_threads=no], [python_has_threads=yes])
1025 AC_MSG_RESULT(${python_has_threads})
1026 CPPFLAGS="${saved_CPPFLAGS}"
1028 # Even if Python support is not compiled in, we need to have this file
1029 # included so that the "python" command, et.al., still exists.
1030 CONFIG_OBS="$CONFIG_OBS python/python.o"
1031 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1034 # Work around Python http://bugs.python.org/issue10112. See also
1035 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1036 # no effect. Note that the only test after this that uses Python is
1037 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1038 # run without -export-dynamic too.
1039 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1041 AC_SUBST(PYTHON_CFLAGS)
1042 AC_SUBST(PYTHON_CPPFLAGS)
1043 AC_SUBST(PYTHON_LIBS)
1044 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1046 # -------------------- #
1047 # Check for libguile. #
1048 # -------------------- #
1050 dnl Utility to simplify finding libguile.
1051 dnl $1 = pkg-config-program
1052 dnl $2 = space-separate list of guile versions to try
1053 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1054 dnl $4 = the shell variable to assign the result to
1055 dnl If libguile is found we store "yes" here.
1057 AC_DEFUN([AC_TRY_LIBGUILE],
1060 guile_version_list=$2
1062 define([have_libguile_var],$4)
1063 found_usable_guile=checking
1064 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1065 for guile_version in ${guile_version_list}; do
1066 ${pkg_config} --exists ${guile_version} 2>/dev/null
1067 if test $? != 0; then
1070 dnl pkg-config says the package exists, so if we get an error now,
1072 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1073 if test $? != 0; then
1074 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1076 new_LIBS=`${pkg_config} --libs ${guile_version}`
1077 if test $? != 0; then
1078 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1080 dnl If we get this far, great.
1081 found_usable_guile=${guile_version}
1084 if test "${found_usable_guile}" = "checking"; then
1085 if test "${flag_errors}" = "yes"; then
1086 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1088 found_usable_guile=no
1091 dnl One final sanity check.
1092 dnl The user could have said --with-guile=python-2.7.
1093 if test "${found_usable_guile}" != no; then
1094 save_CPPFLAGS=$CPPFLAGS
1096 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1097 LIBS="$LIBS $new_LIBS"
1098 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1099 [[scm_init_guile ();]]),
1100 [have_libguile_var=yes
1101 GUILE_CPPFLAGS=$new_CPPFLAGS
1102 GUILE_LIBS=$new_LIBS],
1103 [found_usable_guile=no])
1104 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1105 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1106 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1107 [Define if Guile supports manual finalization.])
1109 CPPFLAGS=$save_CPPFLAGS
1111 if test "${found_usable_guile}" = no; then
1112 if test "${flag_errors}" = yes; then
1113 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1117 AC_MSG_RESULT([${found_usable_guile}])
1120 dnl There are several different values for --with-guile:
1122 dnl no - Don't include guile support.
1123 dnl yes - Include guile support, error if it's missing.
1124 dnl The pkg-config program must be in $PATH.
1125 dnl auto - Same as "yes", but if guile is missing from the system,
1126 dnl fall back to "no".
1127 dnl guile-version [guile-version-choice-2 ...] -
1128 dnl A space-separated list of guile package versions to try.
1129 dnl These are passed to pkg-config as-is.
1130 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1131 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1132 dnl /path/to/pkg-config -
1133 dnl Use this pkg-config program.
1134 dnl NOTE: This needn't be the "real" pkg-config program.
1135 dnl It could be a shell script. It is invoked as:
1136 dnl pkg-config --exists $version
1137 dnl pkg-config --cflags $version
1138 dnl pkg-config --libs $version
1139 dnl pkg-config --variable guild $version
1140 dnl The script will be called with $version having each value in
1141 dnl $try_guile_versions until --exists indicates success.
1144 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1145 [], [with_guile=auto])
1146 AC_MSG_CHECKING([whether to use guile])
1147 AC_MSG_RESULT([$with_guile])
1149 dnl We check guile with pkg-config.
1150 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1152 try_guile_versions="guile-2.0"
1154 case "${with_guile}" in
1156 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1159 if test "${pkg_config_prog_path}" = "missing"; then
1160 AC_MSG_WARN([pkg-config not found, guile support disabled])
1162 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1166 if test "${pkg_config_prog_path}" = "missing"; then
1167 AC_MSG_ERROR([pkg-config not found])
1169 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1171 [[\\/]]* | ?:[[\\/]]*)
1172 if test -x "${with_guile}"; then
1173 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1175 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1179 # Disallow --with=guile="" and --with-guile=foo/bar.
1180 AC_MSG_ERROR([invalid value for --with-guile])
1183 # A space separate list of guile versions to try, in order.
1184 if test "${pkg_config_prog_path}" = "missing"; then
1185 AC_MSG_ERROR([pkg-config not found])
1187 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1191 if test "${have_libguile}" != no; then
1192 dnl Get the name of the 'guild' program.
1193 case "${with_guile}" in
1194 [[\\/]]* | ?:[[\\/]]*)
1195 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1198 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1202 dnl Make sure guild can handle this host.
1203 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1204 dnl If not, disable guile support.
1205 if test "$ac_cv_guild_ok" = no; then
1207 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1211 if test "${have_libguile}" != no; then
1212 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1213 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1214 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1215 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1216 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1217 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1219 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1221 save_CPPFLAGS="$CPPFLAGS"
1223 CPPFLAGS="$GUILE_CPPFLAGS"
1224 AC_CHECK_FUNCS([scm_new_smob])
1226 CPPFLAGS="$save_CPPFLAGS"
1228 # Even if Guile support is not compiled in, we need to have these files
1230 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1231 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1233 AC_SUBST(GUILE_CPPFLAGS)
1234 AC_SUBST(GUILE_LIBS)
1235 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1237 # --------------------- #
1238 # Check for libmcheck. #
1239 # --------------------- #
1241 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1242 # but turn it off if Python is enabled with threads, since -lmcheck is
1243 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1245 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1246 && $development; then
1247 libmcheck_default=yes
1249 libmcheck_default=no
1251 GDB_AC_LIBMCHECK(${libmcheck_default})
1253 if test "$ENABLE_LIBMCHECK" = "yes" \
1254 -a "${have_libpython}" != "no" \
1255 -a "${python_has_threads}" = "yes" ; then
1256 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1259 AC_ARG_WITH(intel_pt,
1260 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1261 [], [with_intel_pt=auto])
1262 AC_MSG_CHECKING([whether to use intel pt])
1263 AC_MSG_RESULT([$with_intel_pt])
1265 if test "${with_intel_pt}" = no; then
1266 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1269 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1270 #include <linux/perf_event.h>
1271 #ifndef PERF_ATTR_SIZE_VER5
1274 ]]), [perf_event=yes], [perf_event=no])
1275 if test "$perf_event" != yes; then
1276 if test "$with_intel_pt" = yes; then
1277 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1279 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1283 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1284 if test "$HAVE_LIBIPT" != yes; then
1285 if test "$with_intel_pt" = yes; then
1286 AC_MSG_ERROR([libipt is missing or unusable])
1288 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1292 LIBS="$LIBS $LIBIPT"
1293 AC_CHECK_FUNCS(pt_insn_event)
1294 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1295 [#include <intel-pt.h>])
1300 # ------------------------- #
1301 # Checks for header files. #
1302 # ------------------------- #
1305 # elf_hp.h is for HP/UX 64-bit shared library support.
1306 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1308 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1309 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1310 sys/reg.h sys/debugreg.h sys/select.h \
1311 termios.h elf_hp.h \
1313 AC_CHECK_HEADERS(sys/user.h, [], [],
1314 [#if HAVE_SYS_PARAM_H
1315 # include <sys/param.h>
1319 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1320 AC_CHECK_HEADERS(term.h, [], [],
1322 # include <curses.h>
1326 # ------------------------- #
1327 # Checks for declarations. #
1328 # ------------------------- #
1332 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1335 # ----------------------- #
1336 # Checks for structures. #
1337 # ----------------------- #
1339 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1341 # ------------------ #
1342 # Checks for types. #
1343 # ------------------ #
1345 AC_CHECK_TYPES(socklen_t, [], [],
1346 [#include <sys/types.h>
1347 #include <sys/socket.h>
1350 # ------------------------------------- #
1351 # Checks for compiler characteristics. #
1352 # ------------------------------------- #
1358 # ------------------------------ #
1359 # Checks for library functions. #
1360 # ------------------------------ #
1364 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1365 pipe poll pread pread64 pwrite resize_term \
1366 sbrk setpgid setpgrp setsid \
1367 sigaction sigprocmask sigsetmask socketpair \
1368 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1369 setrlimit getrlimit posix_madvise waitpid \
1370 ptrace64 sigaltstack mkdtemp setns])
1374 # Check the return and argument types of ptrace.
1377 dnl AC_FUNC_SETPGRP does not work when cross compiling
1378 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1379 if test "$cross_compiling" = no; then
1382 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1386 if (setpgrp(1,1) == -1)
1390 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1391 if test $ac_cv_func_setpgrp_void = yes; then
1392 AC_DEFINE(SETPGRP_VOID, 1)
1396 # Assume we'll default to using the included libiberty regex.
1397 gdb_use_included_regex=yes
1399 # However, if the system regex is GNU regex, then default to *not*
1400 # using the included regex.
1403 [gdb_cv_have_gnu_regex],
1405 [#include <gnu-versions.h>],
1406 [#define REGEX_INTERFACE_VERSION 1
1407 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1408 # error "Version mismatch"
1410 gdb_cv_have_gnu_regex=yes,
1411 gdb_cv_have_gnu_regex=no)])
1412 if test $gdb_cv_have_gnu_regex = yes; then
1413 gdb_use_included_regex=no
1416 AC_ARG_WITH(included-regex,
1417 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1418 gdb_with_regex=$withval,
1419 gdb_with_regex=$gdb_use_included_regex)
1420 if test "$gdb_with_regex" = yes; then
1421 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1422 [Define to 1 if the regex included in libiberty should be used.])
1425 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1426 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1427 [#include <sys/param.h>
1428 #include <sys/proc.h>
1431 # See if <sys/lwp.h> defines `struct lwp`.
1432 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1433 [AC_TRY_COMPILE([#include <sys/param.h>
1435 #include <sys/lwp.h>], [struct lwp l;],
1436 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1437 if test $gdb_cv_struct_lwp = yes; then
1438 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1439 [Define to 1 if your system has struct lwp.])
1442 # See if <machine/reg.h> degines `struct reg'.
1443 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1444 [AC_TRY_COMPILE([#include <sys/types.h>
1445 #include <machine/reg.h>], [struct reg r;],
1446 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1447 if test $gdb_cv_struct_reg = yes; then
1448 AC_DEFINE(HAVE_STRUCT_REG, 1,
1449 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1452 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1453 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1454 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1455 [#include <sys/types.h>
1456 #include <machine/reg.h>])
1458 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1459 # Older amd64 Linux's don't have the fs_base and gs_base members of
1460 # `struct user_regs_struct'.
1461 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1462 [], [], [#include <sys/user.h>])
1464 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1465 AC_MSG_CHECKING(for PTRACE_GETREGS)
1466 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1467 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1469 [gdb_cv_have_ptrace_getregs=yes],
1470 [gdb_cv_have_ptrace_getregs=no])])
1471 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1472 if test $gdb_cv_have_ptrace_getregs = yes; then
1473 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1474 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1477 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1478 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1479 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1480 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1481 [PTRACE_GETFPXREGS;],
1482 [gdb_cv_have_ptrace_getfpxregs=yes],
1483 [gdb_cv_have_ptrace_getfpxregs=no])])
1484 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1485 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1486 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1487 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1490 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1491 AC_MSG_CHECKING(for PT_GETDBREGS)
1492 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1493 [AC_TRY_COMPILE([#include <sys/types.h>
1494 #include <sys/ptrace.h>],
1496 [gdb_cv_have_pt_getdbregs=yes],
1497 [gdb_cv_have_pt_getdbregs=no])])
1498 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1499 if test $gdb_cv_have_pt_getdbregs = yes; then
1500 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1501 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1504 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1505 AC_MSG_CHECKING(for PT_GETXMMREGS)
1506 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1507 [AC_TRY_COMPILE([#include <sys/types.h>
1508 #include <sys/ptrace.h>],
1510 [gdb_cv_have_pt_getxmmregs=yes],
1511 [gdb_cv_have_pt_getxmmregs=no])])
1512 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1513 if test $gdb_cv_have_pt_getxmmregs = yes; then
1514 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1515 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1518 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1519 # Older FreeBSD versions don't have the pl_tdname member of
1520 # `struct ptrace_lwpinfo'.
1521 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1522 [#include <sys/ptrace.h>])
1524 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1525 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1527 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1528 [#include <sys/ptrace.h>])
1530 if test "$ac_cv_header_sys_procfs_h" = yes; then
1531 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1532 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1533 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1534 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1535 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1536 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1537 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1539 dnl Check for broken prfpregset_t type
1541 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1542 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1543 dnl instead of the struct itself). We detect this here, and work
1544 dnl around it in gdb_proc_service.h.
1546 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1547 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1548 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1549 [AC_TRY_RUN([#include <sys/procfs.h>
1552 if (sizeof (prfpregset_t) == sizeof (void *))
1556 gdb_cv_prfpregset_t_broken=no,
1557 gdb_cv_prfpregset_t_broken=yes,
1558 gdb_cv_prfpregset_t_broken=yes)])
1559 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1560 if test $gdb_cv_prfpregset_t_broken = yes; then
1561 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1562 [Define if the prfpregset_t type is broken.])
1567 # Check if the compiler supports the `long long' type.
1569 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1570 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1571 [[extern long long foo;]],
1572 [[switch (foo & 2) { case 0: return 1; }]])],
1573 gdb_cv_c_long_long=yes,
1574 gdb_cv_c_long_long=no)])
1575 if test $gdb_cv_c_long_long != yes; then
1576 # libdecnumber requires long long.
1577 AC_MSG_ERROR([Compiler must support long long for GDB.])
1580 # Check if the compiler and runtime support printing long longs.
1582 AC_CACHE_CHECK([for long long support in printf],
1583 gdb_cv_printf_has_long_long,
1584 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1587 l = (l << 16) + 0x0123;
1588 l = (l << 16) + 0x4567;
1589 l = (l << 16) + 0x89ab;
1590 l = (l << 16) + 0xcdef;
1591 sprintf (buf, "0x%016llx", l);
1592 return (strcmp ("0x0123456789abcdef", buf));]])],
1593 gdb_cv_printf_has_long_long=yes,
1594 gdb_cv_printf_has_long_long=no,
1595 gdb_cv_printf_has_long_long=no)])
1596 if test $gdb_cv_printf_has_long_long = yes; then
1597 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1598 [Define to 1 if the "%ll" format works to print long longs.])
1601 # Check if the compiler and runtime support printing decfloats.
1603 AC_CACHE_CHECK([for decfloat support in printf],
1604 gdb_cv_printf_has_decfloat,
1605 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1607 _Decimal32 d32 = 1.2345df;
1608 _Decimal64 d64 = 1.2345dd;
1609 _Decimal128 d128 = 1.2345dl;
1610 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1611 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1612 gdb_cv_printf_has_decfloat=yes,
1613 gdb_cv_printf_has_decfloat=no,
1614 gdb_cv_printf_has_decfloat=no)])
1615 if test $gdb_cv_printf_has_decfloat = yes; then
1616 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1617 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1620 # Check if the compiler supports the `long double' type. We can't use
1621 # AC_C_LONG_DOUBLE because that one does additional checks on the
1622 # constants defined in <float.h> that fail on some systems,
1623 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1625 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1626 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1627 gdb_cv_c_long_double=yes,
1628 gdb_cv_c_long_double=no)])
1629 if test $gdb_cv_c_long_double = yes; then
1630 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1631 [Define to 1 if the compiler supports long double.])
1634 # Check if the compiler and runtime support printing long doubles.
1636 AC_CACHE_CHECK([for long double support in printf],
1637 gdb_cv_printf_has_long_double,
1638 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1640 long double f = 3.141592653;
1641 sprintf (buf, "%Lg", f);
1642 return (strncmp ("3.14159", buf, 7));]])],
1643 gdb_cv_printf_has_long_double=yes,
1644 gdb_cv_printf_has_long_double=no,
1645 gdb_cv_printf_has_long_double=no)])
1646 if test $gdb_cv_printf_has_long_double = yes; then
1647 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1648 [Define to 1 if the "%Lg" format works to print long doubles.])
1651 # Check if the compiler and runtime support scanning long doubles.
1653 AC_CACHE_CHECK([for long double support in scanf],
1654 gdb_cv_scanf_has_long_double,
1655 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1656 [[#include <stdio.h>]],
1657 [[char *buf = "3.141592653";
1659 sscanf (buf, "%Lg", &f);
1660 return !(f > 3.14159 && f < 3.14160);]])],
1661 gdb_cv_scanf_has_long_double=yes,
1662 gdb_cv_scanf_has_long_double=no,
1663 gdb_cv_scanf_has_long_double=no)])
1664 if test $gdb_cv_scanf_has_long_double = yes; then
1665 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1666 [Define to 1 if the "%Lg" format works to scan long doubles.])
1671 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1672 SAVE_LDFLAGS=$LDFLAGS
1675 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1676 *) gdb_cv_bigtoc=-bbigtoc ;;
1679 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1680 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1681 LDFLAGS="${SAVE_LDFLAGS}"
1683 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1687 AC_MSG_CHECKING(for the dynamic export flag)
1689 if test "${gdb_native}" = yes; then
1690 # The dynamically loaded libthread_db needs access to symbols in the gdb
1691 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1692 # may not be supported there.
1693 old_LDFLAGS="$LDFLAGS"
1694 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1695 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1696 LDFLAGS="$LDFLAGS $RDYNAMIC"
1697 if test "${have_libpython}" = no; then
1698 AC_TRY_LINK([], [], [dynamic_list=true])
1700 # Workaround http://bugs.python.org/issue4434 where static
1701 # libpythonX.Y.a would get its symbols required for
1702 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1703 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1705 # Note the workaround for Python
1706 # http://bugs.python.org/issue10112 earlier has removed
1707 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1708 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1710 old_CFLAGS="$CFLAGS"
1711 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1713 LIBS="$LIBS $PYTHON_LIBS"
1714 old_CPPFLAGS="$CPPFLAGS"
1715 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1718 [#include "Python.h"],
1721 err = PyRun_SimpleString ("import itertools\n");
1723 return err == 0 ? 0 : 1;]),
1724 [dynamic_list=true], [], [true])
1726 CFLAGS="$old_CFLAGS"
1727 CPPFLAGS="$old_CPPFLAGS"
1729 LDFLAGS="$old_LDFLAGS"
1731 if $dynamic_list; then
1732 found="-Wl,--dynamic-list"
1733 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1736 RDYNAMIC="-rdynamic"
1739 AC_MSG_RESULT($found)
1741 dnl For certain native configurations, we need to check whether thread
1742 dnl support can be built in or not.
1744 dnl Note that we only want this if we are both native (host == target),
1745 dnl and not doing a canadian cross build (build == host).
1747 if test ${build} = ${host} -a ${host} = ${target} ; then
1750 AC_MSG_CHECKING(for AiX thread debugging library)
1751 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1752 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1753 [#ifndef PTHDB_VERSION_3
1756 gdb_cv_have_aix_thread_debug=yes,
1757 gdb_cv_have_aix_thread_debug=no)])
1758 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1759 if test $gdb_cv_have_aix_thread_debug = yes; then
1760 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1761 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1762 LIBS="$LIBS -lpthdebug"
1764 # Older versions of AIX do not provide the declaration for
1765 # the getthrds function (it appears that it was introduced
1767 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1771 AC_SUBST(CONFIG_LDFLAGS)
1774 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1775 dnl other error codes.
1776 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1777 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1778 gdb_cv_thread_db_h_has_td_notalloc,
1780 [#include <thread_db.h>],
1781 [int i = TD_NOTALLOC;],
1782 gdb_cv_thread_db_h_has_td_notalloc=yes,
1783 gdb_cv_thread_db_h_has_td_notalloc=no
1786 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1787 gdb_cv_thread_db_h_has_td_version,
1789 [#include <thread_db.h>],
1790 [int i = TD_VERSION;],
1791 gdb_cv_thread_db_h_has_td_version=yes,
1792 gdb_cv_thread_db_h_has_td_version=no
1795 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1796 gdb_cv_thread_db_h_has_td_notls,
1798 [#include <thread_db.h>],
1799 [int i = TD_NOTLS;],
1800 gdb_cv_thread_db_h_has_td_notls=yes,
1801 gdb_cv_thread_db_h_has_td_notls=no
1805 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1806 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1807 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1809 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1810 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1811 [Define if <thread_db.h> has the TD_VERSION error code.])
1813 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1814 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1815 [Define if <thread_db.h> has the TD_NOTLS error code.])
1818 dnl Check if we can disable the virtual address space randomization.
1819 dnl The functionality of setarch -R.
1820 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1821 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1822 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1823 # define ADDR_NO_RANDOMIZE 0x0040000
1825 /* Test the flag could be set and stays set. */
1826 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1827 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1829 AC_RUN_IFELSE([PERSONALITY_TEST],
1830 [have_personality=true],
1831 [have_personality=false],
1832 [AC_LINK_IFELSE([PERSONALITY_TEST],
1833 [have_personality=true],
1834 [have_personality=false])])
1835 if $have_personality
1837 AC_DEFINE([HAVE_PERSONALITY], 1,
1838 [Define if you support the personality syscall.])
1841 dnl Set the host's .gdbinit filename.
1850 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1852 dnl Handle optional features that can be enabled.
1854 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1855 # except that the argument to --with-sysroot is optional.
1856 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1857 if test "x$with_sysroot" = xyes; then
1858 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1860 AC_ARG_WITH(sysroot,
1861 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1862 [search for usr/lib et al within DIR]),
1863 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1864 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1865 [search for usr/lib et al within DIR])
1866 AC_SUBST(TARGET_SYSTEM_ROOT)
1867 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1869 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1870 [automatically load a system-wide gdbinit file],
1875 # In the Cygwin environment, we need some additional flags.
1876 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1877 [AC_EGREP_CPP(^lose$, [
1878 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1880 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1883 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1884 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1886 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1887 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1888 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1890 AC_SUBST(SER_HARDWIRE)
1892 # libreadline needs libuser32.a in a cygwin environment
1894 if test x$gdb_cv_os_cygwin = xyes; then
1895 WIN32LIBS="-luser32"
1897 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1902 # The ser-tcp.c module requires sockets.
1905 AC_DEFINE(USE_WIN32API, 1,
1906 [Define if we should use the Windows API, instead of the
1907 POSIX API. On Windows, we use the Windows API when
1908 building for MinGW, but the POSIX API when building
1910 WIN32LIBS="$WIN32LIBS -lws2_32"
1915 # Add ELF support to GDB, but only if BFD includes ELF support.
1916 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1917 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1918 if test $gdb_cv_var_elf = yes; then
1919 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1920 AC_DEFINE(HAVE_ELF, 1,
1921 [Define if ELF support should be included.])
1922 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1923 if test "$plugins" = "yes"; then
1924 AC_SEARCH_LIBS(dlopen, dl)
1928 # Add macho support to GDB, but only if BFD includes it.
1929 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1930 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1931 if test $gdb_cv_var_macho = yes; then
1932 CONFIG_OBS="$CONFIG_OBS machoread.o"
1935 # Add any host-specific objects to GDB.
1936 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1938 # If building on ELF, look for lzma support for embedded compressed debug info.
1939 if test $gdb_cv_var_elf = yes; then
1941 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1942 [], [with_lzma=auto])
1943 AC_MSG_CHECKING([whether to use lzma])
1944 AC_MSG_RESULT([$with_lzma])
1946 if test "${with_lzma}" != no; then
1947 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1948 [lzma_index_iter iter;
1949 lzma_index_iter_init (&iter, 0);
1950 lzma_mf_is_supported (LZMA_MF_HC3);])
1951 if test "$HAVE_LIBLZMA" != yes; then
1952 if test "$with_lzma" = yes; then
1953 AC_MSG_ERROR([missing liblzma for --with-lzma])
1959 LIBGUI="../libgui/src/libgui.a"
1960 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1962 AC_SUBST(GUI_CFLAGS_X)
1966 AC_SUBST(WIN32LDAPP)
1969 *-*-cygwin* | *-*-mingw* )
1978 if test "${enable_gdbtk}" = "yes"; then
1980 # Gdbtk must have an absolute path to srcdir in order to run
1981 # properly when not installed.
1989 # If $no_tk is nonempty, then we can't do Tk, and there is no
1990 # point to doing Tcl.
1993 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1996 # Check for in-tree tcl
2003 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2007 # Find Tcl private headers
2008 if test x"${intree}" = xno; then
2009 CY_AC_TCL_PRIVATE_HEADERS
2010 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2011 TCL_LIBRARY="${TCL_LIB_SPEC}"
2014 # If building tcl in the same src tree, private headers
2015 # are not needed, but we need to be sure to use the right
2017 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2018 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2019 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2021 AC_SUBST(TCL_INCLUDE)
2022 AC_SUBST(TCL_LIBRARY)
2027 # Check for in-tree Tk
2029 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2033 # Find Tk private headers
2034 if test x"${intree}" = xno; then
2035 CY_AC_TK_PRIVATE_HEADERS
2036 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2037 TK_LIBRARY=${TK_LIB_SPEC}
2040 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2041 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2042 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2044 AC_SUBST(TK_INCLUDE)
2045 AC_SUBST(TK_LIBRARY)
2047 AC_SUBST(TK_XINCLUDES)
2049 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2051 # Include some libraries that Tcl and Tk want.
2052 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2053 # Yes, the ordering seems wrong here. But it isn't.
2054 # TK_LIBS is the list of libraries that need to be linked
2055 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2056 # were in LIBS then any link tests after this point would
2057 # try to include things like `$(LIBGUI)', which wouldn't work.
2058 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2060 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2061 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2062 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2063 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2064 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2065 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2066 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2068 if test x$gdb_cv_os_cygwin = xyes; then
2069 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2070 WIN32LDAPP="-Wl,--subsystem,console"
2071 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2074 AC_CONFIG_SUBDIRS(gdbtk)
2082 AC_SUBST(GDBTK_CFLAGS)
2083 AC_SUBST(GDBTK_SRC_DIR)
2087 # Unlike the sim directory, whether a simulator is linked is controlled by
2088 # presence of a gdb_sim definition in the target configure.tgt entry.
2089 # This code just checks for a few cases where we'd like to ignore those
2090 # definitions, even when they're present in the '.mt' file. These cases
2091 # are when --disable-sim is specified, or if the simulator directory is
2092 # not part of the source tree.
2095 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2096 [echo "enable_sim = $enable_sim";
2097 echo "enableval = ${enableval}";
2098 case "${enableval}" in
2099 yes) ignore_sim=false ;;
2100 no) ignore_sim=true ;;
2101 *) ignore_sim=false ;;
2105 if test ! -d "${srcdir}/../sim"; then
2111 if test "${ignore_sim}" = "false"; then
2112 if test x"${gdb_sim}" != x ; then
2114 SIM_OBS="remote-sim.o"
2115 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2117 # Some tdep code should only be compiled in when the ppc sim is
2118 # built. PR sim/13418.
2121 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2129 AC_SUBST(ENABLE_CFLAGS)
2130 AC_SUBST(PROFILE_CFLAGS)
2132 AC_SUBST(CONFIG_OBS)
2133 AC_SUBST(CONFIG_DEPS)
2134 AC_SUBST(CONFIG_SRCS)
2135 AC_SUBST(CONFIG_ALL)
2136 AC_SUBST(CONFIG_CLEAN)
2137 AC_SUBST(CONFIG_INSTALL)
2138 AC_SUBST(CONFIG_UNINSTALL)
2140 # List of host floatformats.
2141 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2142 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2143 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2145 # target_subdir is used by the testsuite to find the target libraries.
2147 if test "${host}" != "${target}"; then
2148 target_subdir="${target_alias}/"
2150 AC_SUBST(target_subdir)
2152 # Import nat definitions.
2153 nat_makefile_frag=/dev/null
2154 if test "${gdb_native}" = "yes"; then
2155 . ${srcdir}/configure.nat
2156 nativefile=$NAT_FILE
2160 AC_SUBST(NATDEPFILES)
2165 AC_SUBST(NAT_GENERATED_FILES)
2166 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2167 AC_SUBST_FILE(nat_makefile_frag)
2169 if test x"${gdb_osabi}" != x ; then
2170 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2171 [Define to the default OS ABI for this configuration.])
2174 # Enable multi-ice-gdb-server.
2175 AC_ARG_ENABLE(multi-ice,
2176 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2180 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2182 if test "x$enable_multi_ice" = xyes; then
2183 AC_CONFIG_SUBDIRS(multi-ice)
2186 AC_ARG_ENABLE(gdbserver,
2187 AS_HELP_STRING([--enable-gdbserver],
2188 [automatically build gdbserver (yes/no/auto, default is auto)]),
2189 [case "${enableval}" in
2191 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2192 esac],[enable_gdbserver=auto])
2194 # We only build gdbserver automatically in a native configuration, and
2195 # only if the user did not explicitly disable its build.
2196 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2197 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2198 if test "x$build_gdbserver" = xyes; then
2200 AC_CONFIG_SUBDIRS(gdbserver)
2201 gdbserver_build_enabled=yes
2207 # If the user explicitly request the gdbserver to be built, verify that
2208 # we were in fact able to enable it.
2209 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2210 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2213 # Check for babeltrace and babeltrace-ctf
2214 AC_ARG_WITH(babeltrace,
2215 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2216 [], [with_babeltrace=auto])
2217 AC_MSG_CHECKING([whether to use babeltrace])
2218 AC_MSG_RESULT([$with_babeltrace])
2220 if test "x$with_babeltrace" = "xno"; then
2221 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2223 # Append -Werror to CFLAGS so that configure can catch the warning
2224 # "assignment from incompatible pointer type", which is related to
2225 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2226 # in GDB, while babeltrace 1.0.3 is broken.
2227 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2228 # safe to save and restore CFLAGS here.
2229 saved_CFLAGS=$CFLAGS
2230 CFLAGS="$CFLAGS -Werror"
2231 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2232 [#include <babeltrace/babeltrace.h>
2233 #include <babeltrace/ctf/events.h>
2234 #include <babeltrace/ctf/iterator.h>],
2235 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2236 struct bt_ctf_event *event = NULL;
2237 const struct bt_definition *scope;
2239 pos->type = BT_SEEK_BEGIN;
2240 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2241 scope = bt_ctf_get_top_level_scope (event,
2242 BT_STREAM_EVENT_HEADER);
2243 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2245 CFLAGS=$saved_CFLAGS
2247 if test "$HAVE_LIBBABELTRACE" != yes; then
2248 if test "$with_babeltrace" = yes; then
2249 AC_MSG_ERROR([babeltrace is missing or unusable])
2251 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2256 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2263 if test "${nativefile}" != ""; then
2264 case "${nativefile}" in
2265 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2266 * ) GDB_NM_FILE="${nativefile}"
2268 files="${files} ${GDB_NM_FILE}"
2269 links="${links} nm.h"
2270 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2272 AC_SUBST(GDB_NM_FILE)
2274 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2275 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2276 if test "x$USE_MAINTAINER_MODE" = xyes; then
2277 if test "${XSLTPROC}" = missing; then
2278 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2283 AC_LINK_FILES($files, $links)
2285 dnl Check for exe extension set on certain hosts (e.g. Win32)
2288 dnl Detect the character set used by this host.
2289 dnl At the moment, we just assume it's UTF-8.
2290 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2291 [Define to be a string naming the default host character set.])
2293 if $development; then
2294 AC_DEFINE(GDB_SELF_TEST, 1,
2295 [Define if self-testing features should be enabled])
2296 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS)"
2297 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS)"
2300 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2301 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2302 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2303 AC_CONFIG_FILES([Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile],
2305 case x$CONFIG_HEADERS in
2306 xconfig.h:config.in)