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 "${have_libguile}" != no)
1217 # ---------------------------- #
1218 # Check for source highlight. #
1219 # ---------------------------- #
1223 AC_MSG_CHECKING([for the source-highlight library])
1224 if test "${pkg_config_prog_path}" = "missing"; then
1225 AC_MSG_RESULT([no - pkg-config not found])
1227 if ${pkg_config_prog_path} --exists source-highlight; then
1228 SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
1229 SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
1230 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1231 [Define to 1 if the source-highlight library is available])
1232 AC_MSG_RESULT([yes])
1237 AC_SUBST(SRCHIGH_LIBS)
1238 AC_SUBST(SRCHIGH_CFLAGS)
1240 # --------------------- #
1241 # Check for libmcheck. #
1242 # --------------------- #
1244 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1245 # but turn it off if Python is enabled with threads, since -lmcheck is
1246 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1248 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1249 && $development; then
1250 libmcheck_default=yes
1252 libmcheck_default=no
1254 GDB_AC_LIBMCHECK(${libmcheck_default})
1256 if test "$ENABLE_LIBMCHECK" = "yes" \
1257 -a "${have_libpython}" != "no" \
1258 -a "${python_has_threads}" = "yes" ; then
1259 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1262 AC_ARG_WITH(intel_pt,
1263 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1264 [], [with_intel_pt=auto])
1265 AC_MSG_CHECKING([whether to use intel pt])
1266 AC_MSG_RESULT([$with_intel_pt])
1268 if test "${with_intel_pt}" = no; then
1269 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1272 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1273 #include <linux/perf_event.h>
1274 #ifndef PERF_ATTR_SIZE_VER5
1277 ]])], [perf_event=yes], [perf_event=no])
1278 if test "$perf_event" != yes; then
1279 if test "$with_intel_pt" = yes; then
1280 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1282 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1286 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1287 if test "$HAVE_LIBIPT" != yes; then
1288 if test "$with_intel_pt" = yes; then
1289 AC_MSG_ERROR([libipt is missing or unusable])
1291 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1295 LIBS="$LIBS $LIBIPT"
1296 AC_CHECK_FUNCS(pt_insn_event)
1297 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1298 [#include <intel-pt.h>])
1303 # ------------------------- #
1304 # Checks for header files. #
1305 # ------------------------- #
1308 # elf_hp.h is for HP/UX 64-bit shared library support.
1309 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1310 thread_db.h linux/elf.h \
1311 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1312 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1313 sys/reg.h sys/debugreg.h sys/select.h \
1314 termios.h elf_hp.h \
1316 AC_CHECK_HEADERS(sys/user.h, [], [],
1317 [#if HAVE_SYS_PARAM_H
1318 # include <sys/param.h>
1322 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1323 AC_CHECK_HEADERS(term.h, [], [],
1325 # include <curses.h>
1329 # ------------------------- #
1330 # Checks for declarations. #
1331 # ------------------------- #
1335 AC_CHECK_DECLS([snprintf])
1338 # ----------------------- #
1339 # Checks for structures. #
1340 # ----------------------- #
1342 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1344 # ------------------ #
1345 # Checks for types. #
1346 # ------------------ #
1348 AC_CHECK_TYPES(socklen_t, [], [],
1349 [#include <sys/types.h>
1350 #include <sys/socket.h>
1353 # ------------------------------------- #
1354 # Checks for compiler characteristics. #
1355 # ------------------------------------- #
1361 # ------------------------------ #
1362 # Checks for library functions. #
1363 # ------------------------------ #
1367 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1368 pipe poll pread pread64 pwrite resize_term \
1369 sbrk getpgid setpgid setpgrp setsid \
1370 sigaction sigprocmask sigsetmask socketpair \
1371 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1372 setrlimit getrlimit posix_madvise waitpid \
1373 ptrace64 sigaltstack setns use_default_colors])
1377 # Check the return and argument types of ptrace.
1380 dnl AC_FUNC_SETPGRP does not work when cross compiling
1381 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1382 if test "$cross_compiling" = no; then
1385 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1389 if (setpgrp(1,1) == -1)
1393 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1394 if test $ac_cv_func_setpgrp_void = yes; then
1395 AC_DEFINE(SETPGRP_VOID, 1)
1399 # Assume we'll default to using the included libiberty regex.
1400 gdb_use_included_regex=yes
1402 # However, if the system regex is GNU regex, then default to *not*
1403 # using the included regex.
1406 [gdb_cv_have_gnu_regex],
1408 [#include <gnu-versions.h>],
1409 [#define REGEX_INTERFACE_VERSION 1
1410 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1411 # error "Version mismatch"
1413 gdb_cv_have_gnu_regex=yes,
1414 gdb_cv_have_gnu_regex=no)])
1415 if test $gdb_cv_have_gnu_regex = yes; then
1416 gdb_use_included_regex=no
1419 AC_ARG_WITH(included-regex,
1420 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1421 gdb_with_regex=$withval,
1422 gdb_with_regex=$gdb_use_included_regex)
1423 if test "$gdb_with_regex" = yes; then
1424 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1425 [Define to 1 if the regex included in libiberty should be used.])
1428 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1429 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1430 [#include <sys/param.h>
1431 #include <sys/proc.h>
1434 # See if <sys/lwp.h> defines `struct lwp`.
1435 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1436 [AC_TRY_COMPILE([#include <sys/param.h>
1438 #include <sys/lwp.h>], [struct lwp l;],
1439 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1440 if test $gdb_cv_struct_lwp = yes; then
1441 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1442 [Define to 1 if your system has struct lwp.])
1445 # See if <machine/reg.h> degines `struct reg'.
1446 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1447 [AC_TRY_COMPILE([#include <sys/types.h>
1448 #include <machine/reg.h>], [struct reg r;],
1449 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1450 if test $gdb_cv_struct_reg = yes; then
1451 AC_DEFINE(HAVE_STRUCT_REG, 1,
1452 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1455 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1456 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1457 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1458 [#include <sys/types.h>
1459 #include <machine/reg.h>])
1461 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1462 # Older amd64 Linux's don't have the fs_base and gs_base members of
1463 # `struct user_regs_struct'.
1464 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1465 [], [], [#include <sys/types.h>
1466 #include <sys/user.h>])
1468 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1469 AC_MSG_CHECKING(for PTRACE_GETREGS)
1470 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1471 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1473 [gdb_cv_have_ptrace_getregs=yes],
1474 [gdb_cv_have_ptrace_getregs=no])])
1475 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1476 if test $gdb_cv_have_ptrace_getregs = yes; then
1477 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1478 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1481 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1482 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1483 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1484 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1485 [PTRACE_GETFPXREGS;],
1486 [gdb_cv_have_ptrace_getfpxregs=yes],
1487 [gdb_cv_have_ptrace_getfpxregs=no])])
1488 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1489 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1490 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1491 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1494 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1495 AC_MSG_CHECKING(for PT_GETDBREGS)
1496 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1497 [AC_TRY_COMPILE([#include <sys/types.h>
1498 #include <sys/ptrace.h>],
1500 [gdb_cv_have_pt_getdbregs=yes],
1501 [gdb_cv_have_pt_getdbregs=no])])
1502 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1503 if test $gdb_cv_have_pt_getdbregs = yes; then
1504 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1505 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1508 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1509 AC_MSG_CHECKING(for PT_GETXMMREGS)
1510 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1511 [AC_TRY_COMPILE([#include <sys/types.h>
1512 #include <sys/ptrace.h>],
1514 [gdb_cv_have_pt_getxmmregs=yes],
1515 [gdb_cv_have_pt_getxmmregs=no])])
1516 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1517 if test $gdb_cv_have_pt_getxmmregs = yes; then
1518 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1519 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1522 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1523 # Older FreeBSD versions don't have the pl_tdname member of
1524 # `struct ptrace_lwpinfo'.
1525 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1526 [#include <sys/ptrace.h>])
1528 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1529 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1531 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1532 [#include <sys/ptrace.h>])
1534 if test "$ac_cv_header_sys_procfs_h" = yes; then
1535 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1536 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1537 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1538 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1539 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1540 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1541 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1542 BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
1545 # Check if the compiler supports the `long long' type.
1547 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1548 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1549 [[extern long long foo;]],
1550 [[switch (foo & 2) { case 0: return 1; }]])],
1551 gdb_cv_c_long_long=yes,
1552 gdb_cv_c_long_long=no)])
1553 if test $gdb_cv_c_long_long != yes; then
1554 # libdecnumber requires long long.
1555 AC_MSG_ERROR([Compiler must support long long for GDB.])
1558 # Check if the compiler and runtime support printing long longs.
1560 AC_CACHE_CHECK([for long long support in printf],
1561 gdb_cv_printf_has_long_long,
1562 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1565 l = (l << 16) + 0x0123;
1566 l = (l << 16) + 0x4567;
1567 l = (l << 16) + 0x89ab;
1568 l = (l << 16) + 0xcdef;
1569 sprintf (buf, "0x%016llx", l);
1570 return (strcmp ("0x0123456789abcdef", buf));]])],
1571 gdb_cv_printf_has_long_long=yes,
1572 gdb_cv_printf_has_long_long=no,
1573 gdb_cv_printf_has_long_long=no)])
1574 if test $gdb_cv_printf_has_long_long = yes; then
1575 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1576 [Define to 1 if the "%ll" format works to print long longs.])
1579 # Check if the compiler and runtime support printing decfloats.
1581 AC_CACHE_CHECK([for decfloat support in printf],
1582 gdb_cv_printf_has_decfloat,
1583 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1585 _Decimal32 d32 = 1.2345df;
1586 _Decimal64 d64 = 1.2345dd;
1587 _Decimal128 d128 = 1.2345dl;
1588 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1589 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1590 gdb_cv_printf_has_decfloat=yes,
1591 gdb_cv_printf_has_decfloat=no,
1592 gdb_cv_printf_has_decfloat=no)])
1593 if test $gdb_cv_printf_has_decfloat = yes; then
1594 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1595 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1598 # Check if the compiler supports the `long double' type. We can't use
1599 # AC_C_LONG_DOUBLE because that one does additional checks on the
1600 # constants defined in <float.h> that fail on some systems,
1601 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1603 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1604 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1605 gdb_cv_c_long_double=yes,
1606 gdb_cv_c_long_double=no)])
1607 if test $gdb_cv_c_long_double = yes; then
1608 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1609 [Define to 1 if the compiler supports long double.])
1612 # Check if the compiler and runtime support printing long doubles.
1614 AC_CACHE_CHECK([for long double support in printf],
1615 gdb_cv_printf_has_long_double,
1616 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1618 long double f = 3.141592653;
1619 sprintf (buf, "%Lg", f);
1620 return (strncmp ("3.14159", buf, 7));]])],
1621 gdb_cv_printf_has_long_double=yes,
1622 gdb_cv_printf_has_long_double=no,
1623 gdb_cv_printf_has_long_double=no)])
1624 if test $gdb_cv_printf_has_long_double = yes; then
1625 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1626 [Define to 1 if the "%Lg" format works to print long doubles.])
1629 # Check if the compiler and runtime support scanning long doubles.
1631 AC_CACHE_CHECK([for long double support in scanf],
1632 gdb_cv_scanf_has_long_double,
1633 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1634 [[#include <stdio.h>]],
1635 [[char *buf = "3.141592653";
1637 sscanf (buf, "%Lg", &f);
1638 return !(f > 3.14159 && f < 3.14160);]])],
1639 gdb_cv_scanf_has_long_double=yes,
1640 gdb_cv_scanf_has_long_double=no,
1641 gdb_cv_scanf_has_long_double=no)])
1642 if test $gdb_cv_scanf_has_long_double = yes; then
1643 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1644 [Define to 1 if the "%Lg" format works to scan long doubles.])
1649 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1650 SAVE_LDFLAGS=$LDFLAGS
1653 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1654 *) gdb_cv_bigtoc=-bbigtoc ;;
1657 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1658 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1659 LDFLAGS="${SAVE_LDFLAGS}"
1661 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1665 AC_MSG_CHECKING(for the dynamic export flag)
1667 if test "${gdb_native}" = yes; then
1668 # The dynamically loaded libthread_db needs access to symbols in the gdb
1669 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1670 # may not be supported there.
1671 old_LDFLAGS="$LDFLAGS"
1672 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1673 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1674 LDFLAGS="$LDFLAGS $RDYNAMIC"
1675 if test "${have_libpython}" = no; then
1676 AC_TRY_LINK([], [], [dynamic_list=true])
1678 # Workaround http://bugs.python.org/issue4434 where static
1679 # libpythonX.Y.a would get its symbols required for
1680 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1681 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1683 # Note the workaround for Python
1684 # http://bugs.python.org/issue10112 earlier has removed
1685 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1686 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1688 old_CFLAGS="$CFLAGS"
1689 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1691 LIBS="$LIBS $PYTHON_LIBS"
1692 old_CPPFLAGS="$CPPFLAGS"
1693 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1696 [#include "Python.h"],
1699 err = PyRun_SimpleString ("import itertools\n");
1701 return err == 0 ? 0 : 1;])],
1702 [dynamic_list=true], [], [true])
1704 CFLAGS="$old_CFLAGS"
1705 CPPFLAGS="$old_CPPFLAGS"
1707 LDFLAGS="$old_LDFLAGS"
1709 if $dynamic_list; then
1710 found="-Wl,--dynamic-list"
1711 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1714 RDYNAMIC="-rdynamic"
1717 AC_MSG_RESULT($found)
1719 dnl For certain native configurations, we need to check whether thread
1720 dnl support can be built in or not.
1722 dnl Note that we only want this if we are both native (host == target),
1723 dnl and not doing a canadian cross build (build == host).
1725 if test ${build} = ${host} -a ${host} = ${target} ; then
1728 AC_MSG_CHECKING(for AiX thread debugging library)
1729 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1730 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1731 [#ifndef PTHDB_VERSION_3
1734 gdb_cv_have_aix_thread_debug=yes,
1735 gdb_cv_have_aix_thread_debug=no)])
1736 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1737 if test $gdb_cv_have_aix_thread_debug = yes; then
1738 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1739 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1740 LIBS="$LIBS -lpthdebug"
1742 # Older versions of AIX do not provide the declaration for
1743 # the getthrds function (it appears that it was introduced
1745 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1749 AC_SUBST(CONFIG_LDFLAGS)
1752 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1753 dnl other error codes.
1754 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1755 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1756 gdb_cv_thread_db_h_has_td_notalloc,
1758 [#include <thread_db.h>],
1759 [int i = TD_NOTALLOC;],
1760 gdb_cv_thread_db_h_has_td_notalloc=yes,
1761 gdb_cv_thread_db_h_has_td_notalloc=no
1764 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1765 gdb_cv_thread_db_h_has_td_version,
1767 [#include <thread_db.h>],
1768 [int i = TD_VERSION;],
1769 gdb_cv_thread_db_h_has_td_version=yes,
1770 gdb_cv_thread_db_h_has_td_version=no
1773 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1774 gdb_cv_thread_db_h_has_td_notls,
1776 [#include <thread_db.h>],
1777 [int i = TD_NOTLS;],
1778 gdb_cv_thread_db_h_has_td_notls=yes,
1779 gdb_cv_thread_db_h_has_td_notls=no
1783 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1784 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1785 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1787 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1788 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1789 [Define if <thread_db.h> has the TD_VERSION error code.])
1791 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1792 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1793 [Define if <thread_db.h> has the TD_NOTLS error code.])
1796 dnl Check if we can disable the virtual address space randomization.
1797 dnl The functionality of setarch -R.
1798 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1799 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1800 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1801 # define ADDR_NO_RANDOMIZE 0x0040000
1803 /* Test the flag could be set and stays set. */
1804 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1805 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1807 AC_RUN_IFELSE([PERSONALITY_TEST],
1808 [have_personality=true],
1809 [have_personality=false],
1810 [AC_LINK_IFELSE([PERSONALITY_TEST],
1811 [have_personality=true],
1812 [have_personality=false])])
1813 if $have_personality
1815 AC_DEFINE([HAVE_PERSONALITY], 1,
1816 [Define if you support the personality syscall.])
1819 dnl Set the host's .gdbinit filename.
1828 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1830 dnl Handle optional features that can be enabled.
1832 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1833 # except that the argument to --with-sysroot is optional.
1834 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1835 if test "x$with_sysroot" = xyes; then
1836 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1838 AC_ARG_WITH(sysroot,
1839 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1840 [search for usr/lib et al within DIR]),
1841 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1842 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1843 [search for usr/lib et al within DIR])
1844 AC_SUBST(TARGET_SYSTEM_ROOT)
1845 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1847 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1848 [automatically load a system-wide gdbinit file],
1854 # In the Cygwin environment, we need some additional flags.
1855 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1856 [AC_EGREP_CPP(^lose$, [
1857 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1859 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1862 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1863 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1865 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1866 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1867 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1868 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1870 AC_SUBST(SER_HARDWIRE)
1872 # libreadline needs libuser32.a in a cygwin environment
1874 if test x$gdb_cv_os_cygwin = xyes; then
1875 WIN32LIBS="-luser32"
1877 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1882 # The ser-tcp.c module requires sockets.
1885 AC_DEFINE(USE_WIN32API, 1,
1886 [Define if we should use the Windows API, instead of the
1887 POSIX API. On Windows, we use the Windows API when
1888 building for MinGW, but the POSIX API when building
1890 WIN32LIBS="$WIN32LIBS -lws2_32"
1895 # Add ELF support to GDB, but only if BFD includes ELF support.
1896 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1897 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1898 if test $gdb_cv_var_elf = yes; then
1899 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1900 AC_DEFINE(HAVE_ELF, 1,
1901 [Define if ELF support should be included.])
1902 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1903 if test "$plugins" = "yes"; then
1904 AC_SEARCH_LIBS(dlopen, dl)
1908 # Add macho support to GDB, but only if BFD includes it.
1909 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1910 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1911 if test $gdb_cv_var_macho = yes; then
1912 CONFIG_OBS="$CONFIG_OBS machoread.o"
1915 # Add any host-specific objects to GDB.
1916 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1918 # If building on ELF, look for lzma support for embedded compressed debug info.
1919 if test $gdb_cv_var_elf = yes; then
1921 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1922 [], [with_lzma=auto])
1923 AC_MSG_CHECKING([whether to use lzma])
1924 AC_MSG_RESULT([$with_lzma])
1926 if test "${with_lzma}" != no; then
1927 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1928 [lzma_index_iter iter;
1929 lzma_index_iter_init (&iter, 0);
1930 lzma_mf_is_supported (LZMA_MF_HC3);])
1931 if test "$HAVE_LIBLZMA" != yes; then
1932 if test "$with_lzma" = yes; then
1933 AC_MSG_ERROR([missing liblzma for --with-lzma])
1939 LIBGUI="../libgui/src/libgui.a"
1940 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1942 AC_SUBST(GUI_CFLAGS_X)
1946 AC_SUBST(WIN32LDAPP)
1949 *-*-cygwin* | *-*-mingw* )
1958 if test "${enable_gdbtk}" = "yes"; then
1960 # Gdbtk must have an absolute path to srcdir in order to run
1961 # properly when not installed.
1969 # If $no_tk is nonempty, then we can't do Tk, and there is no
1970 # point to doing Tcl.
1973 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1976 # Check for in-tree tcl
1983 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1987 # Find Tcl private headers
1988 if test x"${intree}" = xno; then
1989 CY_AC_TCL_PRIVATE_HEADERS
1990 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1991 TCL_LIBRARY="${TCL_LIB_SPEC}"
1994 # If building tcl in the same src tree, private headers
1995 # are not needed, but we need to be sure to use the right
1997 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1998 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1999 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2001 AC_SUBST(TCL_INCLUDE)
2002 AC_SUBST(TCL_LIBRARY)
2007 # Check for in-tree Tk
2009 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2013 # Find Tk private headers
2014 if test x"${intree}" = xno; then
2015 CY_AC_TK_PRIVATE_HEADERS
2016 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2017 TK_LIBRARY=${TK_LIB_SPEC}
2020 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2021 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2022 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2024 AC_SUBST(TK_INCLUDE)
2025 AC_SUBST(TK_LIBRARY)
2027 AC_SUBST(TK_XINCLUDES)
2029 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2031 # Include some libraries that Tcl and Tk want.
2032 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2033 # Yes, the ordering seems wrong here. But it isn't.
2034 # TK_LIBS is the list of libraries that need to be linked
2035 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2036 # were in LIBS then any link tests after this point would
2037 # try to include things like `$(LIBGUI)', which wouldn't work.
2038 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2040 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2041 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2042 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2043 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2044 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2045 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2046 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2048 if test x$gdb_cv_os_cygwin = xyes; then
2049 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2050 WIN32LDAPP="-Wl,--subsystem,console"
2051 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2054 AC_CONFIG_SUBDIRS(gdbtk)
2062 AC_SUBST(GDBTK_CFLAGS)
2063 AC_SUBST(GDBTK_SRC_DIR)
2067 # Unlike the sim directory, whether a simulator is linked is controlled by
2068 # presence of a gdb_sim definition in the target configure.tgt entry.
2069 # This code just checks for a few cases where we'd like to ignore those
2070 # definitions, even when they're present in the '.mt' file. These cases
2071 # are when --disable-sim is specified, or if the simulator directory is
2072 # not part of the source tree.
2075 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2076 [echo "enable_sim = $enable_sim";
2077 echo "enableval = ${enableval}";
2078 case "${enableval}" in
2079 yes) ignore_sim=false ;;
2080 no) ignore_sim=true ;;
2081 *) ignore_sim=false ;;
2085 if test ! -d "${srcdir}/../sim"; then
2091 if test "${ignore_sim}" = "false"; then
2092 if test x"${gdb_sim}" != x ; then
2094 SIM_OBS="remote-sim.o"
2095 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2097 # Some tdep code should only be compiled in when the ppc sim is
2098 # built. PR sim/13418.
2101 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2109 AC_SUBST(ENABLE_CFLAGS)
2110 AC_SUBST(PROFILE_CFLAGS)
2112 AC_SUBST(CONFIG_OBS)
2113 AC_SUBST(CONFIG_DEPS)
2114 AC_SUBST(CONFIG_SRCS)
2115 AC_SUBST(CONFIG_ALL)
2116 AC_SUBST(CONFIG_CLEAN)
2117 AC_SUBST(CONFIG_INSTALL)
2118 AC_SUBST(CONFIG_UNINSTALL)
2120 # List of host floatformats.
2121 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2122 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2123 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2125 # target_subdir is used by the testsuite to find the target libraries.
2127 if test "${host}" != "${target}"; then
2128 target_subdir="${target_alias}/"
2130 AC_SUBST(target_subdir)
2132 # Import nat definitions.
2133 nat_makefile_frag=/dev/null
2134 if test "${gdb_native}" = "yes"; then
2135 . ${srcdir}/configure.nat
2136 nativefile=$NAT_FILE
2140 AC_SUBST(NATDEPFILES)
2145 AC_SUBST(NAT_GENERATED_FILES)
2146 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2147 AC_SUBST_FILE(nat_makefile_frag)
2149 if test x"${gdb_osabi}" != x ; then
2150 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2151 [Define to the default OS ABI for this configuration.])
2154 AC_ARG_ENABLE(gdbserver,
2155 AS_HELP_STRING([--enable-gdbserver],
2156 [automatically build gdbserver (yes/no/auto, default is auto)]),
2157 [case "${enableval}" in
2159 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2160 esac],[enable_gdbserver=auto])
2162 # We only build gdbserver automatically in a native configuration, and
2163 # only if the user did not explicitly disable its build.
2164 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2165 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2166 if test "x$build_gdbserver" = xyes; then
2168 AC_CONFIG_SUBDIRS(gdbserver)
2169 gdbserver_build_enabled=yes
2175 # If the user explicitly request the gdbserver to be built, verify that
2176 # we were in fact able to enable it.
2177 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2178 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2181 # Check for babeltrace and babeltrace-ctf
2182 AC_ARG_WITH(babeltrace,
2183 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2184 [], [with_babeltrace=auto])
2185 AC_MSG_CHECKING([whether to use babeltrace])
2186 AC_MSG_RESULT([$with_babeltrace])
2188 if test "x$with_babeltrace" = "xno"; then
2189 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2191 # Append -Werror to CFLAGS so that configure can catch the warning
2192 # "assignment from incompatible pointer type", which is related to
2193 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2194 # in GDB, while babeltrace 1.0.3 is broken.
2195 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2196 # safe to save and restore CFLAGS here.
2197 saved_CFLAGS=$CFLAGS
2198 CFLAGS="$CFLAGS -Werror"
2199 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2200 [#include <babeltrace/babeltrace.h>
2201 #include <babeltrace/ctf/events.h>
2202 #include <babeltrace/ctf/iterator.h>],
2203 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2204 struct bt_ctf_event *event = NULL;
2205 const struct bt_definition *scope;
2207 pos->type = BT_SEEK_BEGIN;
2208 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2209 scope = bt_ctf_get_top_level_scope (event,
2210 BT_STREAM_EVENT_HEADER);
2211 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2213 CFLAGS=$saved_CFLAGS
2215 if test "$HAVE_LIBBABELTRACE" != yes; then
2216 if test "$with_babeltrace" = yes; then
2217 AC_MSG_ERROR([babeltrace is missing or unusable])
2219 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2224 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2231 if test "${nativefile}" != ""; then
2232 case "${nativefile}" in
2233 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2234 * ) GDB_NM_FILE="${nativefile}"
2236 files="${files} ${GDB_NM_FILE}"
2237 links="${links} nm.h"
2238 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2240 AC_SUBST(GDB_NM_FILE)
2242 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2243 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2244 if test "x$USE_MAINTAINER_MODE" = xyes; then
2245 if test "${XSLTPROC}" = missing; then
2246 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2251 AC_LINK_FILES($files, $links)
2253 dnl Check for exe extension set on certain hosts (e.g. Win32)
2256 dnl Detect the character set used by this host.
2257 dnl At the moment, we just assume it's UTF-8.
2258 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2259 [Define to be a string naming the default host character set.])
2262 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS) common/selftest.o selftest-arch.o"
2263 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS) common/selftest.c selftest-arch.c"
2266 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2267 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2268 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2269 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile],
2271 case x$CONFIG_HEADERS in
2272 xconfig.h:config.in)