1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2019 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.
22 AC_CONFIG_HEADER(config.h:config.in)
25 # Set the 'development' global.
26 . $srcdir/../bfd/development.sh
31 AC_USE_SYSTEM_EXTENSIONS
40 # We require a C++11 compiler. Check if one is available, and if
41 # necessary, set CXX_DIALECT to some -std=xxx switch.
42 AX_CXX_COMPILE_STDCXX(11, , mandatory)
44 # Dependency checking.
46 ZW_PROG_COMPILER_DEPENDENCIES([CC])
48 gnulib_extra_configure_args=
49 # If large-file support is disabled, make sure gnulib does the same.
50 if test "$enable_largefile" = no; then
51 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
54 # Configure gnulib. We need to build gnulib under some other
55 # directory not "gnulib", to avoid the problem of both GDB and
56 # GDBserver wanting to build it in the same directory, when building
58 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
59 ["$gnulib_extra_configure_args"])
61 dnl List of object files and targets accumulated by configure.
73 dnl Set up for gettext.
74 ZW_GNU_GETTEXT_SISTER_DIR
76 localedir='${datadir}/locale'
79 if test x"$USE_NLS" = xyes; then
80 CONFIG_ALL="$CONFIG_ALL all-po"
81 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
82 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
83 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
86 GNULIB=build-gnulib/import
88 # For Makefile dependencies.
90 if test x"$STDINT_H" != x; then
91 GNULIB_STDINT_H=$GNULIB/$STDINT_H
93 AC_SUBST(GNULIB_STDINT_H)
96 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
99 # We never need to detect it in this sub-configure.
100 # But preserve it for config.status --recheck.
102 [Parent configure detects if it is of sufficient version.])
103 AC_ARG_VAR(MAKEINFOFLAGS,
104 [Parameters for MAKEINFO.])
106 MAKEINFO_EXTRA_FLAGS=""
107 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
108 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
109 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
110 gdb_cv_have_makeinfo_click=yes
112 gdb_cv_have_makeinfo_click=no
114 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
115 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
117 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
119 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
120 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
123 # We can't pass paths as command line arguments.
124 # Mingw32 tries to be clever and will convert the paths for us.
125 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
126 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
127 # This breaks GDB's relocatable path conversions since paths passed in
128 # config.h would not get so translated, the path prefixes no longer match.
129 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
131 # GDB's datadir relocation
133 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
134 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
137 AC_ARG_WITH(relocated-sources,
138 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
139 [reloc_srcdir="${withval}"
140 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
141 [Relocated directory for source files. ])
144 AC_MSG_CHECKING([for default auto-load directory])
145 AC_ARG_WITH(auto-load-dir,
146 AS_HELP_STRING([--with-auto-load-dir=PATH],
147 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
148 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
149 escape_dir=`echo $with_auto_load_dir | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
150 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
151 [Directories from which to load auto-loaded scripts.])
152 AC_MSG_RESULT([$with_auto_load_dir])
154 AC_MSG_CHECKING([for default auto-load safe-path])
155 AC_ARG_WITH(auto-load-safe-path,
156 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
157 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
158 AS_HELP_STRING([--without-auto-load-safe-path],
159 [do not restrict auto-loaded files locations]),
160 [if test "$with_auto_load_safe_path" = "no"; then
161 with_auto_load_safe_path="/"
163 [with_auto_load_safe_path="$with_auto_load_dir"])
164 escape_dir=`echo $with_auto_load_safe_path | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
165 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
166 [Directories safe to hold auto-loaded files.])
167 AC_MSG_RESULT([$with_auto_load_safe_path])
169 AC_CONFIG_SUBDIRS(testsuite)
171 # Check whether to support alternative target configurations
172 AC_ARG_ENABLE(targets,
173 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
174 [case "${enableval}" in
175 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
177 no) enable_targets= ;;
178 *) enable_targets=$enableval ;;
181 # Check whether to enable 64-bit support on 32-bit hosts
182 AC_ARG_ENABLE(64-bit-bfd,
183 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
184 [case "${enableval}" in
187 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
188 esac],[want64=false])dnl
190 # Provide defaults for some variables set by the per-host and per-target
192 gdb_host_obs=posix-hdep.o
194 if test "${target}" = "${host}"; then
200 . $srcdir/configure.host
202 # Add in the common host objects.
203 . $srcdir/common/common.host
204 gdb_host_obs="$gdb_host_obs $common_host_obs"
206 # Accumulate some settings from configure.tgt over all enabled targets
210 HAVE_NATIVE_GCORE_TARGET=
212 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
214 if test "$targ_alias" = "all"; then
217 # Canonicalize the secondary target names.
218 result=`$ac_config_sub $targ_alias 2>/dev/null`
219 if test -n "$result"; then
225 . ${srcdir}/configure.tgt
227 AS_IF([test -z "${gdb_target_obs}"],
228 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
230 # Target-specific object files
231 for i in ${gdb_target_obs}; do
232 case " $TARGET_OBS " in
235 TARGET_OBS="$TARGET_OBS ${i}"
240 # Check whether this target needs 64-bit CORE_ADDR
241 if test x${want64} = xfalse; then
242 . ${srcdir}/../bfd/config.bfd
245 # Check whether this target is native and supports gcore.
246 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
247 && $gdb_have_gcore; then
248 HAVE_NATIVE_GCORE_TARGET=1
253 if test x${all_targets} = xtrue; then
255 # We want all 64-bit targets if we either:
256 # - run on a 64-bit host or
257 # - already require 64-bit support for some other target or
258 # - the --enable-64-bit-bfd option was supplied
259 # Otherwise we only support all 32-bit targets.
261 # NOTE: This test must be in sync with the corresponding
264 if test x${want64} = xfalse; then
265 AC_CHECK_SIZEOF(long)
266 if test "x${ac_cv_sizeof_long}" = "x8"; then
270 if test x${want64} = xtrue; then
271 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
273 TARGET_OBS='$(ALL_TARGET_OBS)'
278 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
280 # For other settings, only the main target counts.
284 targ=$target; . ${srcdir}/configure.tgt
286 # Fetch the default architecture and default target vector from BFD.
287 targ=$target; . $srcdir/../bfd/config.bfd
289 # We only want the first architecture, so strip off the others if
290 # there is more than one.
291 targ_archs=`echo $targ_archs | sed 's/ .*//'`
293 if test "x$targ_archs" != x; then
294 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
295 [Define to BFD's default architecture. ])
297 if test "x$targ_defvec" != x; then
298 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
299 [Define to BFD's default target vector. ])
304 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
309 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
312 if test x"$enable_gdbmi" = xyes; then
313 if test -d $srcdir/mi; then
314 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
315 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
316 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
317 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
323 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
328 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
329 esac],enable_tui=auto)
333 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
338 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
340 [if test -d $srcdir/gdbtk; then
345 # We unconditionally disable gdbtk tests on selected platforms.
348 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
352 # Libunwind support for ia64.
354 AC_ARG_WITH(libunwind-ia64,
355 AS_HELP_STRING([--with-libunwind-ia64],
356 [use libunwind frame unwinding for ia64 targets]),,
357 [with_libunwind_ia64=auto])
359 # Backward compatibility option.
360 if test "${with_libunwind+set}" = set; then
361 if test x"$with_libunwind_ia64" != xauto; then
363 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
365 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
366 with_libunwind_ia64="$with_libunwind"
369 case "$with_libunwind_ia64" in
373 AC_CHECK_HEADERS(libunwind-ia64.h)
374 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
378 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
382 if test x"$with_libunwind_ia64" = xyes; then
383 AC_CHECK_HEADERS(libunwind-ia64.h)
384 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
385 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
387 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
388 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
389 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
393 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
396 if test "$opt_curses" = "yes"; then
401 AC_ARG_ENABLE(profiling,
402 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
407 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
409 [enable_profiling=no])
411 AC_CHECK_FUNCS(monstartup _mcleanup)
412 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
417 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
418 if test $ac_cv_var__etext = yes; then
419 AC_DEFINE(HAVE__ETEXT, 1,
420 [Define to 1 if your system has the _etext variable. ])
422 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
427 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
428 if test $ac_cv_var_etext = yes; then
429 AC_DEFINE(HAVE_ETEXT, 1,
430 [Define to 1 if your system has the etext variable. ])
432 if test "$enable_profiling" = yes ; then
433 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
434 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
438 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
440 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
441 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
442 ac_cv_cc_supports_pg=no)])
444 if test $ac_cv_cc_supports_pg = no; then
445 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
452 AC_ARG_ENABLE([codesign],
453 AS_HELP_STRING([--enable-codesign=CERT],
454 [sign gdb with 'codesign -s CERT']),
455 [CODESIGN_CERT=$enableval])
456 AC_SUBST([CODESIGN_CERT])
458 ACX_PKGVERSION([GDB])
459 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
460 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
461 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
463 # --------------------- #
464 # Checks for programs. #
465 # --------------------- #
473 AC_CHECK_TOOL(AR, ar)
474 AC_CHECK_TOOL(DLLTOOL, dlltool)
475 AC_CHECK_TOOL(WINDRES, windres)
479 # Needed for GNU Hurd hosts.
480 AC_CHECK_TOOL(MIG, mig)
481 if test x"$MIG" = x; then
482 AC_MSG_ERROR([MIG not found but required for $host hosts])
487 # ---------------------- #
488 # Checks for libraries. #
489 # ---------------------- #
491 # We might need to link with -lm; most simulators need it.
492 AC_CHECK_LIB(m, main)
494 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
495 AC_SEARCH_LIBS(gethostbyname, nsl)
497 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
498 AC_SEARCH_LIBS(socketpair, socket)
500 # Link in zlib if we can. This allows us to read compressed debug sections.
503 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
504 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
505 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
506 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
507 [Define to 1 if your system has the kinfo_getvmmap function. ])])
509 # fbsd-nat.c can also use kinfo_getfile.
510 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd,
511 [AC_DEFINE(HAVE_KINFO_GETFILE, 1,
512 [Define to 1 if your system has the kinfo_getfile function. ])])
516 # GDB may fork/exec the iconv program to get the list of supported character
517 # sets. Allow the user to specify where to find it.
518 # There are several factors affecting the choice of option name:
519 # - There is already --with-libiconv-prefix but we can't use it, it specifies
520 # the build-time location of libiconv files.
521 # - The program we need to find is iconv, which comes with glibc. The user
522 # doesn't necessarily have libiconv installed. Therefore naming this
523 # --with-libiconv-foo feels wrong.
524 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
525 # defined to work on directories not files (though it really doesn't know
527 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
528 # with --with-libiconv-prefix.
529 # Putting these together is why the option name is --with-iconv-bin.
531 AC_ARG_WITH(iconv-bin,
532 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
533 [iconv_bin="${withval}"
534 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
535 [Path of directory of iconv program.])
536 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
539 # For the TUI, we need enhanced curses functionality.
540 if test x"$enable_tui" != xno; then
545 if test x"$prefer_curses" = xyes; then
546 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
547 # curses library because the latter might not provide all the
548 # functionality we need. However, this leads to problems on systems
549 # where the linker searches /usr/local/lib, but the compiler doesn't
550 # search /usr/local/include, if ncurses is installed in /usr/local. A
551 # default installation of ncurses on alpha*-dec-osf* will lead to such
553 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
555 if test "$ac_cv_search_waddstr" != no; then
560 # Check whether we should enable the TUI, but only do so if we really
562 if test x"$enable_tui" != xno; then
563 if test -d $srcdir/tui; then
564 if test "$curses_found" != no; then
565 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
566 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
567 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
568 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
570 if test x"$enable_tui" = xyes; then
571 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
573 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
579 # Since GDB uses Readline, we need termcap functionality. In many
580 # cases this will be provided by the curses library, but some systems
581 # have a separate termcap library, or no curses library at all.
585 if test -d $srcdir/libtermcap; then
586 LIBS="../libtermcap/libtermcap.a $LIBS"
587 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
590 ac_cv_search_tgetent="none required"
594 # These are the libraries checked by Readline.
595 AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
597 if test "$ac_cv_search_tgetent" = no; then
598 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
601 AC_ARG_WITH([system-readline],
602 [AS_HELP_STRING([--with-system-readline],
603 [use installed readline library])])
605 if test "$with_system_readline" = yes; then
609 READLINE_TEXI_INCFLAG=
611 READLINE='$(READLINE_DIR)/libreadline.a'
612 READLINE_DEPS='$(READLINE)'
613 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
614 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
617 AC_SUBST(READLINE_DEPS)
618 AC_SUBST(READLINE_CFLAGS)
619 AC_SUBST(READLINE_TEXI_INCFLAG)
621 # Generate jit-reader.h
623 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
626 AC_CHECK_SIZEOF(unsigned long long)
627 AC_CHECK_SIZEOF(unsigned long)
628 AC_CHECK_SIZEOF(unsigned __int128)
630 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
631 TARGET_PTR="unsigned long"
632 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
633 TARGET_PTR="unsigned long long"
634 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
635 TARGET_PTR="unsigned __int128"
637 TARGET_PTR="unsigned long"
641 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
643 AC_SEARCH_LIBS(dlopen, dl)
645 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
646 [directory to load the JIT readers from],
650 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
651 [], [with_expat=auto])
652 AC_MSG_CHECKING([whether to use expat])
653 AC_MSG_RESULT([$with_expat])
655 if test "${with_expat}" = no; then
656 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
659 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
660 [XML_Parser p = XML_ParserCreate (0);])
661 if test "$HAVE_LIBEXPAT" != yes; then
662 if test "$with_expat" = yes; then
663 AC_MSG_ERROR([expat is missing or unusable])
665 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
669 LIBS="$LIBS $LIBEXPAT"
670 AC_CHECK_FUNCS(XML_StopParser)
676 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
677 [], [with_mpfr=auto])
678 AC_MSG_CHECKING([whether to use MPFR])
679 AC_MSG_RESULT([$with_mpfr])
681 if test "${with_mpfr}" = no; then
682 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
685 AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
686 [mpfr_exp_t exp; mpfr_t x;
687 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
688 if test "$HAVE_LIBMPFR" != yes; then
689 if test "$with_mpfr" = yes; then
690 AC_MSG_ERROR([MPFR is missing or unusable])
692 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
697 # --------------------- #
698 # Check for libpython. #
699 # --------------------- #
701 dnl Utility to simplify finding libpython.
703 dnl $2 = the shell variable to assign the result to
704 dnl If libpython is found we store $version here.
705 dnl $3 = additional flags to add to CPPFLAGS
706 dnl $4 = additional flags to add to LIBS
708 AC_DEFUN([AC_TRY_LIBPYTHON],
711 define([have_libpython_var],$2)
714 AC_MSG_CHECKING([for ${version}])
715 save_CPPFLAGS=$CPPFLAGS
717 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
718 LIBS="$new_LIBS $LIBS"
719 found_usable_python=no
720 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
721 [[Py_Initialize ();]])],
722 [have_libpython_var=${version}
723 found_usable_python=yes
724 PYTHON_CPPFLAGS=$new_CPPFLAGS
725 PYTHON_LIBS=$new_LIBS])
726 CPPFLAGS=$save_CPPFLAGS
728 AC_MSG_RESULT([${found_usable_python}])
731 dnl There are several different values for --with-python:
733 dnl no - Don't include python support.
734 dnl yes - Include python support, error if it's missing.
735 dnl If we find python in $PATH, use it to fetch configure options,
736 dnl otherwise assume the compiler can find it with no help from us.
737 dnl Python 2.7 and 2.6 are tried in turn.
738 dnl auto - Same as "yes", but if python is missing from the system,
739 dnl fall back to "no".
740 dnl /path/to/python/exec-prefix -
741 dnl Use the python located in this directory.
742 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
743 dnl the compilation parameters. Otherwise use
744 dnl -I/path/to/python/exec-prefix/include,
745 dnl -L/path/to/python/exec-prefix/lib.
746 dnl Python 2.7 and 2.6 are tried in turn.
747 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
748 dnl but is deprecated.
749 dnl /path/to/python/executable -
750 dnl Run python-config.py with this version of python to fetch the
751 dnl compilation parameters.
752 dnl NOTE: This needn't be the real python executable.
753 dnl In a cross-compilation scenario (build != host), this could be
754 dnl a shell script that provides what python-config.py provides for
755 dnl --ldflags, --includes, --exec-prefix.
756 dnl python-executable -
757 dnl Find python-executable in $PATH, and then handle the same as
758 dnl /path/to/python/executable.
760 dnl If a python program is specified, it is used to run python-config.py and
761 dnl is passed --ldflags, --includes, --exec-prefix.
764 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
765 [], [with_python=auto])
766 AC_MSG_CHECKING([whether to use python])
767 AC_MSG_RESULT([$with_python])
769 if test "${with_python}" = no; then
770 AC_MSG_WARN([python support disabled; some features may be unavailable.])
773 case "${with_python}" in
774 [[\\/]]* | ?:[[\\/]]*)
775 if test -d ${with_python}; then
776 # Assume the python binary is ${with_python}/bin/python.
777 python_prog="${with_python}/bin/python"
779 # If python does not exit ${with_python}/bin, then try in
780 # ${with_python}. On Windows/MinGW, this is where the Python
782 if test ! -x "${python_prog}"; then
783 python_prog="${with_python}/python"
786 if test ! -x "${python_prog}"; then
787 # Fall back to gdb 7.0/7.1 behaviour.
789 python_prefix=${with_python}
791 elif test -x "${with_python}"; then
792 # While we can't run python compiled for $host (unless host == build),
793 # the user could write a script that provides the needed information,
794 # so we support that.
795 python_prog=${with_python}
798 AC_ERROR(invalid value for --with-python)
802 # Disallow --with-python=foo/bar.
803 AC_ERROR(invalid value for --with-python)
806 # The user has either specified auto, yes, or the name of the python
807 # program assumed to be in $PATH.
809 case "${with_python}" in
811 if test ${build} = ${host}; then
812 AC_PATH_PROG(python_prog_path, python, missing)
813 if test "${python_prog_path}" = missing; then
816 python_prog=${python_prog_path}
819 # Not much we can do except assume the cross-compiler will find the
825 # While we can't run python compiled for $host (unless host == build),
826 # the user could write a script that provides the needed information,
827 # so we support that.
828 python_prog="${with_python}"
829 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
830 if test "${python_prog_path}" = missing; then
831 AC_ERROR(unable to find python program ${python_prog})
837 if test "${python_prog}" != missing; then
838 # We have a python program to use, but it may be too old.
839 # Don't flag an error for --with-python=auto (the default).
840 have_python_config=yes
841 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
842 if test $? != 0; then
843 have_python_config=failed
844 if test "${with_python}" != auto; then
845 AC_ERROR(failure running python-config --includes)
848 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
849 if test $? != 0; then
850 have_python_config=failed
851 if test "${with_python}" != auto; then
852 AC_ERROR(failure running python-config --ldflags)
855 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
856 if test $? != 0; then
857 have_python_config=failed
858 if test "${with_python}" != auto; then
859 AC_ERROR(failure running python-config --exec-prefix)
863 # We do not have a python executable we can use to determine where
864 # to find the Python headers and libs. We cannot guess the include
865 # path from the python_prefix either, because that include path
866 # depends on the Python version. So, there is nothing much we can
867 # do except assume that the compiler will be able to find those files.
870 have_python_config=no
873 # If we have python-config, only try the configuration it provides.
874 # Otherwise fallback on the old way of trying different versions of
878 if test "${have_python_config}" = yes; then
879 # Determine the Python version by extracting "-lpython<version>"
880 # part of the python_libs. <version> is usually X.Y with X and Y
881 # being decimal numbers, but can also be XY (seen on Windows).
883 # The extraction is performed using sed with a regular expression.
884 # Initially, the regexp used was using the '?' quantifier to make
885 # the dot in the version number optional. Unfortunately, this
886 # does not work with non-GNU versions of sed because, because of
887 # what looks like a limitation (the '?' quantifier does not work
888 # with back-references). We work around this limitation by using
889 # the '*' quantifier instead. It means that, in theory, we might
890 # match unexpected version strings such as "-lpython2..7", but
891 # this seems unlikely in practice. And even if that happens,
892 # an error will be triggered later on, when checking that version
894 python_version=`echo " ${python_libs} " \
895 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
896 case "${python_version}" in
898 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
899 ${python_includes}, ${python_libs})
902 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
905 elif test "${have_python_config}" != failed; then
906 if test "${have_libpython}" = no; then
907 AC_TRY_LIBPYTHON(python2.7, have_libpython,
908 ${python_includes}, "-lpython2.7 ${python_libs}")
910 if test "${have_libpython}" = no; then
911 AC_TRY_LIBPYTHON(python2.6, have_libpython,
912 ${python_includes}, "-lpython2.6 ${python_libs}")
915 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
916 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
917 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
918 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
921 if test "${have_libpython}" = no; then
922 case "${with_python}" in
924 AC_MSG_ERROR([python is missing or unusable])
927 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
930 AC_MSG_ERROR([no usable python found at ${with_python}])
934 if test -n "${python_prefix}"; then
935 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
936 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
937 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
942 if test "${have_libpython}" != no; then
943 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
944 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
945 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
946 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
947 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
948 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
950 # Flags needed to compile Python code (taken from python-config --cflags).
951 # We cannot call python-config directly because it will output whatever was
952 # used when compiling the Python interpreter itself, including flags which
953 # would make the python-related objects be compiled differently from the
954 # rest of GDB (e.g., -O2 and -fPIC).
955 if test "${GCC}" = yes; then
956 tentative_python_cflags="-fno-strict-aliasing -fwrapv"
957 # Python headers recommend -DNDEBUG, but it's unclear if that just
958 # refers to building Python itself. In release mode, though, it
959 # doesn't hurt for the Python code in gdb to follow.
960 $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
963 if test "x${tentative_python_cflags}" != x; then
964 AC_MSG_CHECKING(compiler flags for python code)
965 for flag in ${tentative_python_cflags}; do
966 # Check that the compiler accepts it
967 saved_CFLAGS="$CFLAGS"
968 CFLAGS="$CFLAGS $flag"
969 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
970 CFLAGS="$saved_CFLAGS"
972 AC_MSG_RESULT(${PYTHON_CFLAGS})
975 # On x64 Windows, Python's include headers, and pyconfig.h in
976 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
977 # version of Windows. Unfortunately, MS_WIN64 is only defined if
978 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
979 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
980 # The issue was reported to the Python community, but still isn't
981 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
985 if test "${GCC}" = yes; then
986 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
991 # Note that "python -m threading" cannot be used to check for
992 # threading support due to a bug in Python 2.7.3
993 # (http://bugs.python.org/issue15567).
994 AC_MSG_CHECKING(whether python supports threads)
995 saved_CPPFLAGS="${CPPFLAGS}"
996 CPPFLAGS="${PYTHON_CPPFLAGS}"
997 # Note that the test is reversed so that python_has_threads=yes on
998 # unexpected failures.
999 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1004 ]])], [python_has_threads=no], [python_has_threads=yes])
1005 AC_MSG_RESULT(${python_has_threads})
1006 CPPFLAGS="${saved_CPPFLAGS}"
1008 # Even if Python support is not compiled in, we need to have this file
1009 # included so that the "python" command, et.al., still exists.
1010 CONFIG_OBS="$CONFIG_OBS python/python.o"
1011 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1014 # Work around Python http://bugs.python.org/issue10112. See also
1015 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1016 # no effect. Note that the only test after this that uses Python is
1017 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1018 # run without -export-dynamic too.
1019 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1021 AC_SUBST(PYTHON_CFLAGS)
1022 AC_SUBST(PYTHON_CPPFLAGS)
1023 AC_SUBST(PYTHON_LIBS)
1024 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1026 # -------------------- #
1027 # Check for libguile. #
1028 # -------------------- #
1030 dnl Utility to simplify finding libguile.
1031 dnl $1 = pkg-config-program
1032 dnl $2 = space-separate list of guile versions to try
1033 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1034 dnl $4 = the shell variable to assign the result to
1035 dnl If libguile is found we store "yes" here.
1037 AC_DEFUN([AC_TRY_LIBGUILE],
1040 guile_version_list=$2
1042 define([have_libguile_var],$4)
1043 found_usable_guile=checking
1044 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1045 for guile_version in ${guile_version_list}; do
1046 ${pkg_config} --exists ${guile_version} 2>/dev/null
1047 if test $? != 0; then
1050 dnl pkg-config says the package exists, so if we get an error now,
1052 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1053 if test $? != 0; then
1054 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1056 new_LIBS=`${pkg_config} --libs ${guile_version}`
1057 if test $? != 0; then
1058 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1060 dnl If we get this far, great.
1061 found_usable_guile=${guile_version}
1064 if test "${found_usable_guile}" = "checking"; then
1065 if test "${flag_errors}" = "yes"; then
1066 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1068 found_usable_guile=no
1071 dnl One final sanity check.
1072 dnl The user could have said --with-guile=python-2.7.
1073 if test "${found_usable_guile}" != no; then
1074 save_CPPFLAGS=$CPPFLAGS
1076 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1077 LIBS="$LIBS $new_LIBS"
1078 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1079 [[scm_init_guile ();]])],
1080 [have_libguile_var=yes
1081 GUILE_CPPFLAGS=$new_CPPFLAGS
1082 GUILE_LIBS=$new_LIBS],
1083 [found_usable_guile=no])
1084 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1085 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1086 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1087 [Define if Guile supports manual finalization.])
1089 CPPFLAGS=$save_CPPFLAGS
1091 if test "${found_usable_guile}" = no; then
1092 if test "${flag_errors}" = yes; then
1093 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1097 AC_MSG_RESULT([${found_usable_guile}])
1100 dnl There are several different values for --with-guile:
1102 dnl no - Don't include guile support.
1103 dnl yes - Include guile support, error if it's missing.
1104 dnl The pkg-config program must be in $PATH.
1105 dnl auto - Same as "yes", but if guile is missing from the system,
1106 dnl fall back to "no".
1107 dnl guile-version [guile-version-choice-2 ...] -
1108 dnl A space-separated list of guile package versions to try.
1109 dnl These are passed to pkg-config as-is.
1110 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1111 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1112 dnl /path/to/pkg-config -
1113 dnl Use this pkg-config program.
1114 dnl NOTE: This needn't be the "real" pkg-config program.
1115 dnl It could be a shell script. It is invoked as:
1116 dnl pkg-config --exists $version
1117 dnl pkg-config --cflags $version
1118 dnl pkg-config --libs $version
1119 dnl pkg-config --variable guild $version
1120 dnl The script will be called with $version having each value in
1121 dnl $try_guile_versions until --exists indicates success.
1124 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1125 [], [with_guile=auto])
1126 AC_MSG_CHECKING([whether to use guile])
1127 AC_MSG_RESULT([$with_guile])
1129 dnl We check guile with pkg-config.
1130 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1132 try_guile_versions="guile-2.0"
1134 case "${with_guile}" in
1136 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1139 if test "${pkg_config_prog_path}" = "missing"; then
1140 AC_MSG_WARN([pkg-config not found, guile support disabled])
1142 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1146 if test "${pkg_config_prog_path}" = "missing"; then
1147 AC_MSG_ERROR([pkg-config not found])
1149 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1151 [[\\/]]* | ?:[[\\/]]*)
1152 if test -x "${with_guile}"; then
1153 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1155 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1159 # Disallow --with=guile="" and --with-guile=foo/bar.
1160 AC_MSG_ERROR([invalid value for --with-guile])
1163 # A space separate list of guile versions to try, in order.
1164 if test "${pkg_config_prog_path}" = "missing"; then
1165 AC_MSG_ERROR([pkg-config not found])
1167 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1171 if test "${have_libguile}" != no; then
1172 dnl Get the name of the 'guild' program.
1173 case "${with_guile}" in
1174 [[\\/]]* | ?:[[\\/]]*)
1175 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1178 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1182 dnl Make sure guild can handle this host.
1183 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1184 dnl If not, disable guile support.
1185 if test "$ac_cv_guild_ok" = no; then
1187 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1191 if test "${have_libguile}" != no; then
1192 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1193 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1194 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1195 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1196 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1197 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1199 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1201 save_CPPFLAGS="$CPPFLAGS"
1203 CPPFLAGS="$GUILE_CPPFLAGS"
1204 AC_CHECK_FUNCS([scm_new_smob])
1206 CPPFLAGS="$save_CPPFLAGS"
1208 # Even if Guile support is not compiled in, we need to have these files
1210 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1211 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1213 AC_SUBST(GUILE_CPPFLAGS)
1214 AC_SUBST(GUILE_LIBS)
1215 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1217 # ---------------------------- #
1218 # Check for source highlight. #
1219 # ---------------------------- #
1224 AC_ARG_ENABLE(source-highlight,
1225 AS_HELP_STRING([--enable-source-highlight],
1226 [enable source-highlight for source listings]),
1227 [case "${enableval}" in
1228 yes) enable_source_highlight=yes ;;
1229 no) enable_source_highlight=no ;;
1230 *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
1232 [enable_source_highlight=auto])
1234 if test "${enable_source_highlight}" != "no"; then
1235 AC_MSG_CHECKING([for the source-highlight library])
1236 if test "${pkg_config_prog_path}" = "missing"; then
1237 AC_MSG_RESULT([no - pkg-config not found])
1238 if test "${enable_source_highlight}" = "yes"; then
1239 AC_MSG_ERROR([pkg-config was not found in your system])
1242 if ${pkg_config_prog_path} --exists source-highlight; then
1243 SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
1244 SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
1245 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1246 [Define to 1 if the source-highlight library is available])
1247 AC_MSG_RESULT([yes])
1250 if test "${enable_source_highlight}" = "yes"; then
1251 AC_MSG_ERROR([source-highlight was not found in your system])
1256 AC_SUBST(SRCHIGH_LIBS)
1257 AC_SUBST(SRCHIGH_CFLAGS)
1259 # --------------------- #
1260 # Check for libmcheck. #
1261 # --------------------- #
1263 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1264 # but turn it off if Python is enabled with threads, since -lmcheck is
1265 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1267 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1268 && $development; then
1269 libmcheck_default=yes
1271 libmcheck_default=no
1273 GDB_AC_LIBMCHECK(${libmcheck_default})
1275 if test "$ENABLE_LIBMCHECK" = "yes" \
1276 -a "${have_libpython}" != "no" \
1277 -a "${python_has_threads}" = "yes" ; then
1278 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1281 AC_ARG_WITH(intel_pt,
1282 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1283 [], [with_intel_pt=auto])
1284 AC_MSG_CHECKING([whether to use intel pt])
1285 AC_MSG_RESULT([$with_intel_pt])
1287 if test "${with_intel_pt}" = no; then
1288 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1291 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1292 #include <linux/perf_event.h>
1293 #ifndef PERF_ATTR_SIZE_VER5
1296 ]])], [perf_event=yes], [perf_event=no])
1297 if test "$perf_event" != yes; then
1298 if test "$with_intel_pt" = yes; then
1299 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1301 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1305 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1306 if test "$HAVE_LIBIPT" != yes; then
1307 if test "$with_intel_pt" = yes; then
1308 AC_MSG_ERROR([libipt is missing or unusable])
1310 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1314 LIBS="$LIBS $LIBIPT"
1315 AC_CHECK_FUNCS(pt_insn_event)
1316 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1317 [#include <intel-pt.h>])
1322 # ------------------------- #
1323 # Checks for header files. #
1324 # ------------------------- #
1327 # elf_hp.h is for HP/UX 64-bit shared library support.
1328 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1329 thread_db.h linux/elf.h \
1330 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1331 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1332 sys/reg.h sys/debugreg.h sys/select.h \
1333 termios.h elf_hp.h \
1335 AC_CHECK_HEADERS(sys/user.h, [], [],
1336 [#if HAVE_SYS_PARAM_H
1337 # include <sys/param.h>
1341 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1342 AC_CHECK_HEADERS(term.h, [], [],
1344 # include <curses.h>
1348 # ------------------------- #
1349 # Checks for declarations. #
1350 # ------------------------- #
1354 AC_CHECK_DECLS([snprintf])
1357 # ----------------------- #
1358 # Checks for structures. #
1359 # ----------------------- #
1361 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1363 # ------------------ #
1364 # Checks for types. #
1365 # ------------------ #
1367 AC_CHECK_TYPES(socklen_t, [], [],
1368 [#include <sys/types.h>
1369 #include <sys/socket.h>
1372 # ------------------------------------- #
1373 # Checks for compiler characteristics. #
1374 # ------------------------------------- #
1380 # ------------------------------ #
1381 # Checks for library functions. #
1382 # ------------------------------ #
1386 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1387 pipe poll pread pread64 pwrite resize_term \
1388 sbrk getpgid setpgid setpgrp setsid \
1389 sigaction sigprocmask sigsetmask socketpair \
1390 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1391 setrlimit getrlimit posix_madvise waitpid \
1392 ptrace64 sigaltstack setns use_default_colors])
1396 # Check the return and argument types of ptrace.
1399 dnl AC_FUNC_SETPGRP does not work when cross compiling
1400 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1401 if test "$cross_compiling" = no; then
1404 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1408 if (setpgrp(1,1) == -1)
1412 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1413 if test $ac_cv_func_setpgrp_void = yes; then
1414 AC_DEFINE(SETPGRP_VOID, 1)
1418 # Assume we'll default to using the included libiberty regex.
1419 gdb_use_included_regex=yes
1421 # However, if the system regex is GNU regex, then default to *not*
1422 # using the included regex.
1425 [gdb_cv_have_gnu_regex],
1427 [#include <gnu-versions.h>],
1428 [#define REGEX_INTERFACE_VERSION 1
1429 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1430 # error "Version mismatch"
1432 gdb_cv_have_gnu_regex=yes,
1433 gdb_cv_have_gnu_regex=no)])
1434 if test $gdb_cv_have_gnu_regex = yes; then
1435 gdb_use_included_regex=no
1438 AC_ARG_WITH(included-regex,
1439 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1440 gdb_with_regex=$withval,
1441 gdb_with_regex=$gdb_use_included_regex)
1442 if test "$gdb_with_regex" = yes; then
1443 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1444 [Define to 1 if the regex included in libiberty should be used.])
1447 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1448 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1449 [#include <sys/param.h>
1450 #include <sys/proc.h>
1453 # See if <sys/lwp.h> defines `struct lwp`.
1454 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1455 [AC_TRY_COMPILE([#include <sys/param.h>
1457 #include <sys/lwp.h>], [struct lwp l;],
1458 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1459 if test $gdb_cv_struct_lwp = yes; then
1460 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1461 [Define to 1 if your system has struct lwp.])
1464 # See if <machine/reg.h> degines `struct reg'.
1465 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1466 [AC_TRY_COMPILE([#include <sys/types.h>
1467 #include <machine/reg.h>], [struct reg r;],
1468 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1469 if test $gdb_cv_struct_reg = yes; then
1470 AC_DEFINE(HAVE_STRUCT_REG, 1,
1471 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1474 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1475 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1476 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1477 [#include <sys/types.h>
1478 #include <machine/reg.h>])
1480 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1481 # Older amd64 Linux's don't have the fs_base and gs_base members of
1482 # `struct user_regs_struct'.
1483 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1484 [], [], [#include <sys/types.h>
1485 #include <sys/user.h>])
1487 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1488 AC_MSG_CHECKING(for PTRACE_GETREGS)
1489 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1490 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1492 [gdb_cv_have_ptrace_getregs=yes],
1493 [gdb_cv_have_ptrace_getregs=no])])
1494 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1495 if test $gdb_cv_have_ptrace_getregs = yes; then
1496 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1497 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1500 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1501 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1502 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1503 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1504 [PTRACE_GETFPXREGS;],
1505 [gdb_cv_have_ptrace_getfpxregs=yes],
1506 [gdb_cv_have_ptrace_getfpxregs=no])])
1507 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1508 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1509 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1510 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1513 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1514 AC_MSG_CHECKING(for PT_GETDBREGS)
1515 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1516 [AC_TRY_COMPILE([#include <sys/types.h>
1517 #include <sys/ptrace.h>],
1519 [gdb_cv_have_pt_getdbregs=yes],
1520 [gdb_cv_have_pt_getdbregs=no])])
1521 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1522 if test $gdb_cv_have_pt_getdbregs = yes; then
1523 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1524 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1527 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1528 AC_MSG_CHECKING(for PT_GETXMMREGS)
1529 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1530 [AC_TRY_COMPILE([#include <sys/types.h>
1531 #include <sys/ptrace.h>],
1533 [gdb_cv_have_pt_getxmmregs=yes],
1534 [gdb_cv_have_pt_getxmmregs=no])])
1535 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1536 if test $gdb_cv_have_pt_getxmmregs = yes; then
1537 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1538 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1541 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1542 # Older FreeBSD versions don't have the pl_tdname member of
1543 # `struct ptrace_lwpinfo'.
1544 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1545 [#include <sys/ptrace.h>])
1547 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1548 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1550 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1551 [#include <sys/ptrace.h>])
1553 if test "$ac_cv_header_sys_procfs_h" = yes; then
1554 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1555 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1556 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1557 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1558 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1559 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1560 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1561 BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
1564 # Check if the compiler supports the `long long' type.
1566 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1567 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1568 [[extern long long foo;]],
1569 [[switch (foo & 2) { case 0: return 1; }]])],
1570 gdb_cv_c_long_long=yes,
1571 gdb_cv_c_long_long=no)])
1572 if test $gdb_cv_c_long_long != yes; then
1573 # libdecnumber requires long long.
1574 AC_MSG_ERROR([Compiler must support long long for GDB.])
1577 # Check if the compiler and runtime support printing long longs.
1579 AC_CACHE_CHECK([for long long support in printf],
1580 gdb_cv_printf_has_long_long,
1581 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1584 l = (l << 16) + 0x0123;
1585 l = (l << 16) + 0x4567;
1586 l = (l << 16) + 0x89ab;
1587 l = (l << 16) + 0xcdef;
1588 sprintf (buf, "0x%016llx", l);
1589 return (strcmp ("0x0123456789abcdef", buf));]])],
1590 gdb_cv_printf_has_long_long=yes,
1591 gdb_cv_printf_has_long_long=no,
1592 gdb_cv_printf_has_long_long=no)])
1593 if test $gdb_cv_printf_has_long_long = yes; then
1594 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1595 [Define to 1 if the "%ll" format works to print long longs.])
1598 # Check if the compiler and runtime support printing decfloats.
1600 AC_CACHE_CHECK([for decfloat support in printf],
1601 gdb_cv_printf_has_decfloat,
1602 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1604 _Decimal32 d32 = 1.2345df;
1605 _Decimal64 d64 = 1.2345dd;
1606 _Decimal128 d128 = 1.2345dl;
1607 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1608 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1609 gdb_cv_printf_has_decfloat=yes,
1610 gdb_cv_printf_has_decfloat=no,
1611 gdb_cv_printf_has_decfloat=no)])
1612 if test $gdb_cv_printf_has_decfloat = yes; then
1613 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1614 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1617 # Check if the compiler supports the `long double' type. We can't use
1618 # AC_C_LONG_DOUBLE because that one does additional checks on the
1619 # constants defined in <float.h> that fail on some systems,
1620 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1622 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1623 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1624 gdb_cv_c_long_double=yes,
1625 gdb_cv_c_long_double=no)])
1626 if test $gdb_cv_c_long_double = yes; then
1627 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1628 [Define to 1 if the compiler supports long double.])
1631 # Check if the compiler and runtime support printing long doubles.
1633 AC_CACHE_CHECK([for long double support in printf],
1634 gdb_cv_printf_has_long_double,
1635 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1637 long double f = 3.141592653;
1638 sprintf (buf, "%Lg", f);
1639 return (strncmp ("3.14159", buf, 7));]])],
1640 gdb_cv_printf_has_long_double=yes,
1641 gdb_cv_printf_has_long_double=no,
1642 gdb_cv_printf_has_long_double=no)])
1643 if test $gdb_cv_printf_has_long_double = yes; then
1644 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1645 [Define to 1 if the "%Lg" format works to print long doubles.])
1648 # Check if the compiler and runtime support scanning long doubles.
1650 AC_CACHE_CHECK([for long double support in scanf],
1651 gdb_cv_scanf_has_long_double,
1652 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1653 [[#include <stdio.h>]],
1654 [[char *buf = "3.141592653";
1656 sscanf (buf, "%Lg", &f);
1657 return !(f > 3.14159 && f < 3.14160);]])],
1658 gdb_cv_scanf_has_long_double=yes,
1659 gdb_cv_scanf_has_long_double=no,
1660 gdb_cv_scanf_has_long_double=no)])
1661 if test $gdb_cv_scanf_has_long_double = yes; then
1662 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1663 [Define to 1 if the "%Lg" format works to scan long doubles.])
1668 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1669 SAVE_LDFLAGS=$LDFLAGS
1672 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1673 *) gdb_cv_bigtoc=-bbigtoc ;;
1676 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1677 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1678 LDFLAGS="${SAVE_LDFLAGS}"
1680 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1684 AC_MSG_CHECKING(for the dynamic export flag)
1686 if test "${gdb_native}" = yes; then
1687 # The dynamically loaded libthread_db needs access to symbols in the gdb
1688 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1689 # may not be supported there.
1690 old_LDFLAGS="$LDFLAGS"
1691 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1692 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1693 LDFLAGS="$LDFLAGS $RDYNAMIC"
1694 if test "${have_libpython}" = no; then
1695 AC_TRY_LINK([], [], [dynamic_list=true])
1697 # Workaround http://bugs.python.org/issue4434 where static
1698 # libpythonX.Y.a would get its symbols required for
1699 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1700 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1702 # Note the workaround for Python
1703 # http://bugs.python.org/issue10112 earlier has removed
1704 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1705 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1707 old_CFLAGS="$CFLAGS"
1708 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1710 LIBS="$LIBS $PYTHON_LIBS"
1711 old_CPPFLAGS="$CPPFLAGS"
1712 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1715 [#include "Python.h"],
1718 err = PyRun_SimpleString ("import itertools\n");
1720 return err == 0 ? 0 : 1;])],
1721 [dynamic_list=true], [], [true])
1723 CFLAGS="$old_CFLAGS"
1724 CPPFLAGS="$old_CPPFLAGS"
1726 LDFLAGS="$old_LDFLAGS"
1728 if $dynamic_list; then
1729 found="-Wl,--dynamic-list"
1730 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1733 RDYNAMIC="-rdynamic"
1736 AC_MSG_RESULT($found)
1738 dnl For certain native configurations, we need to check whether thread
1739 dnl support can be built in or not.
1741 dnl Note that we only want this if we are both native (host == target),
1742 dnl and not doing a canadian cross build (build == host).
1744 if test ${build} = ${host} -a ${host} = ${target} ; then
1747 AC_MSG_CHECKING(for AiX thread debugging library)
1748 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1749 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1750 [#ifndef PTHDB_VERSION_3
1753 gdb_cv_have_aix_thread_debug=yes,
1754 gdb_cv_have_aix_thread_debug=no)])
1755 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1756 if test $gdb_cv_have_aix_thread_debug = yes; then
1757 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1758 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1759 LIBS="$LIBS -lpthdebug"
1761 # Older versions of AIX do not provide the declaration for
1762 # the getthrds function (it appears that it was introduced
1764 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1768 AC_SUBST(CONFIG_LDFLAGS)
1771 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1772 dnl other error codes.
1773 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1774 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1775 gdb_cv_thread_db_h_has_td_notalloc,
1777 [#include <thread_db.h>],
1778 [int i = TD_NOTALLOC;],
1779 gdb_cv_thread_db_h_has_td_notalloc=yes,
1780 gdb_cv_thread_db_h_has_td_notalloc=no
1783 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1784 gdb_cv_thread_db_h_has_td_version,
1786 [#include <thread_db.h>],
1787 [int i = TD_VERSION;],
1788 gdb_cv_thread_db_h_has_td_version=yes,
1789 gdb_cv_thread_db_h_has_td_version=no
1792 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1793 gdb_cv_thread_db_h_has_td_notls,
1795 [#include <thread_db.h>],
1796 [int i = TD_NOTLS;],
1797 gdb_cv_thread_db_h_has_td_notls=yes,
1798 gdb_cv_thread_db_h_has_td_notls=no
1802 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1803 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1804 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1806 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1807 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1808 [Define if <thread_db.h> has the TD_VERSION error code.])
1810 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1811 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1812 [Define if <thread_db.h> has the TD_NOTLS error code.])
1815 dnl Check if we can disable the virtual address space randomization.
1816 dnl The functionality of setarch -R.
1817 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1818 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1819 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1820 # define ADDR_NO_RANDOMIZE 0x0040000
1822 /* Test the flag could be set and stays set. */
1823 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1824 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1826 AC_RUN_IFELSE([PERSONALITY_TEST],
1827 [have_personality=true],
1828 [have_personality=false],
1829 [AC_LINK_IFELSE([PERSONALITY_TEST],
1830 [have_personality=true],
1831 [have_personality=false])])
1832 if $have_personality
1834 AC_DEFINE([HAVE_PERSONALITY], 1,
1835 [Define if you support the personality syscall.])
1838 dnl Set the host's .gdbinit filename.
1847 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1849 dnl Handle optional features that can be enabled.
1851 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1852 # except that the argument to --with-sysroot is optional.
1853 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1854 if test "x$with_sysroot" = xyes; then
1855 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1857 AC_ARG_WITH(sysroot,
1858 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1859 [search for usr/lib et al within DIR]),
1860 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1861 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1862 [search for usr/lib et al within DIR])
1863 AC_SUBST(TARGET_SYSTEM_ROOT)
1864 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1866 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1867 [automatically load a system-wide gdbinit file],
1873 # In the Cygwin environment, we need some additional flags.
1874 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1875 [AC_EGREP_CPP(^lose$, [
1876 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1878 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1881 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1882 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1884 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1885 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1886 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1887 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1889 AC_SUBST(SER_HARDWIRE)
1891 # libreadline needs libuser32.a in a cygwin environment
1893 if test x$gdb_cv_os_cygwin = xyes; then
1894 WIN32LIBS="-luser32"
1896 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1901 # The ser-tcp.c module requires sockets.
1904 AC_DEFINE(USE_WIN32API, 1,
1905 [Define if we should use the Windows API, instead of the
1906 POSIX API. On Windows, we use the Windows API when
1907 building for MinGW, but the POSIX API when building
1909 WIN32LIBS="$WIN32LIBS -lws2_32"
1914 # Add ELF support to GDB, but only if BFD includes ELF support.
1915 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1916 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1917 if test $gdb_cv_var_elf = yes; then
1918 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1919 AC_DEFINE(HAVE_ELF, 1,
1920 [Define if ELF support should be included.])
1921 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1922 if test "$plugins" = "yes"; then
1923 AC_SEARCH_LIBS(dlopen, dl)
1927 # Add macho support to GDB, but only if BFD includes it.
1928 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1929 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1930 if test $gdb_cv_var_macho = yes; then
1931 CONFIG_OBS="$CONFIG_OBS machoread.o"
1934 # Add any host-specific objects to GDB.
1935 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1937 # If building on ELF, look for lzma support for embedded compressed debug info.
1938 if test $gdb_cv_var_elf = yes; then
1940 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1941 [], [with_lzma=auto])
1942 AC_MSG_CHECKING([whether to use lzma])
1943 AC_MSG_RESULT([$with_lzma])
1945 if test "${with_lzma}" != no; then
1946 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1947 [lzma_index_iter iter;
1948 lzma_index_iter_init (&iter, 0);
1949 lzma_mf_is_supported (LZMA_MF_HC3);])
1950 if test "$HAVE_LIBLZMA" != yes; then
1951 if test "$with_lzma" = yes; then
1952 AC_MSG_ERROR([missing liblzma for --with-lzma])
1958 LIBGUI="../libgui/src/libgui.a"
1959 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1961 AC_SUBST(GUI_CFLAGS_X)
1965 AC_SUBST(WIN32LDAPP)
1968 *-*-cygwin* | *-*-mingw* )
1977 if test "${enable_gdbtk}" = "yes"; then
1979 # Gdbtk must have an absolute path to srcdir in order to run
1980 # properly when not installed.
1988 # If $no_tk is nonempty, then we can't do Tk, and there is no
1989 # point to doing Tcl.
1992 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1995 # Check for in-tree tcl
2002 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2006 # Find Tcl private headers
2007 if test x"${intree}" = xno; then
2008 CY_AC_TCL_PRIVATE_HEADERS
2009 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2010 TCL_LIBRARY="${TCL_LIB_SPEC}"
2013 # If building tcl in the same src tree, private headers
2014 # are not needed, but we need to be sure to use the right
2016 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2017 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2018 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2020 AC_SUBST(TCL_INCLUDE)
2021 AC_SUBST(TCL_LIBRARY)
2026 # Check for in-tree Tk
2028 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2032 # Find Tk private headers
2033 if test x"${intree}" = xno; then
2034 CY_AC_TK_PRIVATE_HEADERS
2035 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2036 TK_LIBRARY=${TK_LIB_SPEC}
2039 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2040 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2041 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2043 AC_SUBST(TK_INCLUDE)
2044 AC_SUBST(TK_LIBRARY)
2046 AC_SUBST(TK_XINCLUDES)
2048 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2050 # Include some libraries that Tcl and Tk want.
2051 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2052 # Yes, the ordering seems wrong here. But it isn't.
2053 # TK_LIBS is the list of libraries that need to be linked
2054 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2055 # were in LIBS then any link tests after this point would
2056 # try to include things like `$(LIBGUI)', which wouldn't work.
2057 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2059 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2060 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2061 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2062 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2063 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2064 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2065 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2067 if test x$gdb_cv_os_cygwin = xyes; then
2068 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2069 WIN32LDAPP="-Wl,--subsystem,console"
2070 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2073 AC_CONFIG_SUBDIRS(gdbtk)
2081 AC_SUBST(GDBTK_CFLAGS)
2082 AC_SUBST(GDBTK_SRC_DIR)
2086 # Unlike the sim directory, whether a simulator is linked is controlled by
2087 # presence of a gdb_sim definition in the target configure.tgt entry.
2088 # This code just checks for a few cases where we'd like to ignore those
2089 # definitions, even when they're present in the '.mt' file. These cases
2090 # are when --disable-sim is specified, or if the simulator directory is
2091 # not part of the source tree.
2094 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2095 [echo "enable_sim = $enable_sim";
2096 echo "enableval = ${enableval}";
2097 case "${enableval}" in
2098 yes) ignore_sim=false ;;
2099 no) ignore_sim=true ;;
2100 *) ignore_sim=false ;;
2104 if test ! -d "${srcdir}/../sim"; then
2110 if test "${ignore_sim}" = "false"; then
2111 if test x"${gdb_sim}" != x ; then
2113 SIM_OBS="remote-sim.o"
2114 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2116 # Some tdep code should only be compiled in when the ppc sim is
2117 # built. PR sim/13418.
2120 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2128 AC_SUBST(ENABLE_CFLAGS)
2129 AC_SUBST(PROFILE_CFLAGS)
2131 AC_SUBST(CONFIG_OBS)
2132 AC_SUBST(CONFIG_DEPS)
2133 AC_SUBST(CONFIG_SRCS)
2134 AC_SUBST(CONFIG_ALL)
2135 AC_SUBST(CONFIG_CLEAN)
2136 AC_SUBST(CONFIG_INSTALL)
2137 AC_SUBST(CONFIG_UNINSTALL)
2139 # List of host floatformats.
2140 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2141 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2142 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2144 # target_subdir is used by the testsuite to find the target libraries.
2146 if test "${host}" != "${target}"; then
2147 target_subdir="${target_alias}/"
2149 AC_SUBST(target_subdir)
2151 # Import nat definitions.
2152 nat_makefile_frag=/dev/null
2153 if test "${gdb_native}" = "yes"; then
2154 . ${srcdir}/configure.nat
2155 nativefile=$NAT_FILE
2159 AC_SUBST(NATDEPFILES)
2164 AC_SUBST(NAT_GENERATED_FILES)
2165 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2166 AC_SUBST_FILE(nat_makefile_frag)
2168 if test x"${gdb_osabi}" != x ; then
2169 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2170 [Define to the default OS ABI for this configuration.])
2173 AC_ARG_ENABLE(gdbserver,
2174 AS_HELP_STRING([--enable-gdbserver],
2175 [automatically build gdbserver (yes/no/auto, default is auto)]),
2176 [case "${enableval}" in
2178 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2179 esac],[enable_gdbserver=auto])
2181 # We only build gdbserver automatically in a native configuration, and
2182 # only if the user did not explicitly disable its build.
2183 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2184 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2185 if test "x$build_gdbserver" = xyes; then
2187 AC_CONFIG_SUBDIRS(gdbserver)
2188 gdbserver_build_enabled=yes
2194 # If the user explicitly request the gdbserver to be built, verify that
2195 # we were in fact able to enable it.
2196 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2197 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2200 # Check for babeltrace and babeltrace-ctf
2201 AC_ARG_WITH(babeltrace,
2202 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2203 [], [with_babeltrace=auto])
2204 AC_MSG_CHECKING([whether to use babeltrace])
2205 AC_MSG_RESULT([$with_babeltrace])
2207 if test "x$with_babeltrace" = "xno"; then
2208 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2210 # Append -Werror to CFLAGS so that configure can catch the warning
2211 # "assignment from incompatible pointer type", which is related to
2212 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2213 # in GDB, while babeltrace 1.0.3 is broken.
2214 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2215 # safe to save and restore CFLAGS here.
2216 saved_CFLAGS=$CFLAGS
2217 CFLAGS="$CFLAGS -Werror"
2218 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2219 [#include <babeltrace/babeltrace.h>
2220 #include <babeltrace/ctf/events.h>
2221 #include <babeltrace/ctf/iterator.h>],
2222 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2223 struct bt_ctf_event *event = NULL;
2224 const struct bt_definition *scope;
2226 pos->type = BT_SEEK_BEGIN;
2227 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2228 scope = bt_ctf_get_top_level_scope (event,
2229 BT_STREAM_EVENT_HEADER);
2230 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2232 CFLAGS=$saved_CFLAGS
2234 if test "$HAVE_LIBBABELTRACE" != yes; then
2235 if test "$with_babeltrace" = yes; then
2236 AC_MSG_ERROR([babeltrace is missing or unusable])
2238 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2243 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2250 if test "${nativefile}" != ""; then
2251 case "${nativefile}" in
2252 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2253 * ) GDB_NM_FILE="${nativefile}"
2255 files="${files} ${GDB_NM_FILE}"
2256 links="${links} nm.h"
2257 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2259 AC_SUBST(GDB_NM_FILE)
2261 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2262 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2263 if test "x$USE_MAINTAINER_MODE" = xyes; then
2264 if test "${XSLTPROC}" = missing; then
2265 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2270 AC_LINK_FILES($files, $links)
2272 dnl Check for exe extension set on certain hosts (e.g. Win32)
2275 dnl Detect the character set used by this host.
2276 dnl At the moment, we just assume it's UTF-8.
2277 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2278 [Define to be a string naming the default host character set.])
2281 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS) common/selftest.o selftest-arch.o"
2282 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS) common/selftest.c selftest-arch.c"
2285 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2286 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2287 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2288 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile],
2290 case x$CONFIG_HEADERS in
2291 xconfig.h:config.in)