1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2020 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.
21 m4_include(../config/debuginfod.m4)
24 AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
30 AC_USE_SYSTEM_EXTENSIONS
39 # We require a C++11 compiler. Check if one is available, and if
40 # necessary, set CXX_DIALECT to some -std=xxx switch.
41 AX_CXX_COMPILE_STDCXX(11, , mandatory)
43 # Dependency checking.
45 ZW_PROG_COMPILER_DEPENDENCIES([CC])
47 dnl List of object files and targets accumulated by configure.
59 dnl Set up for gettext.
60 ZW_GNU_GETTEXT_SISTER_DIR
62 localedir='${datadir}/locale'
65 if test x"$USE_NLS" = xyes; then
66 CONFIG_ALL="$CONFIG_ALL all-po"
67 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
68 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
69 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
73 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
76 # We never need to detect it in this sub-configure.
77 # But preserve it for config.status --recheck.
79 [Parent configure detects if it is of sufficient version.])
80 AC_ARG_VAR(MAKEINFOFLAGS,
81 [Parameters for MAKEINFO.])
83 MAKEINFO_EXTRA_FLAGS=""
84 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
85 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
86 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
87 gdb_cv_have_makeinfo_click=yes
89 gdb_cv_have_makeinfo_click=no
91 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
92 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
94 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
96 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
97 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
100 # We can't pass paths as command line arguments.
101 # Mingw32 tries to be clever and will convert the paths for us.
102 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
103 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
104 # This breaks GDB's relocatable path conversions since paths passed in
105 # config.h would not get so translated, the path prefixes no longer match.
106 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
108 # GDB's datadir relocation
110 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
111 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
114 AC_ARG_WITH(relocated-sources,
115 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
116 [reloc_srcdir="${withval}"
117 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
118 [Relocated directory for source files. ])
121 AC_MSG_CHECKING([for default auto-load directory])
122 AC_ARG_WITH(auto-load-dir,
123 AS_HELP_STRING([--with-auto-load-dir=PATH],
124 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
125 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
126 escape_dir=`echo $with_auto_load_dir | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
127 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
128 [Directories from which to load auto-loaded scripts.])
129 AC_MSG_RESULT([$with_auto_load_dir])
131 AC_MSG_CHECKING([for default auto-load safe-path])
132 AC_ARG_WITH(auto-load-safe-path,
133 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
134 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
135 AS_HELP_STRING([--without-auto-load-safe-path],
136 [do not restrict auto-loaded files locations]),
137 [if test "$with_auto_load_safe_path" = "no"; then
138 with_auto_load_safe_path="/"
140 [with_auto_load_safe_path="$with_auto_load_dir"])
141 escape_dir=`echo $with_auto_load_safe_path | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
142 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
143 [Directories safe to hold auto-loaded files.])
144 AC_MSG_RESULT([$with_auto_load_safe_path])
146 AC_CONFIG_SUBDIRS(testsuite)
148 # Check whether to support alternative target configurations
149 AC_ARG_ENABLE(targets,
150 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
151 [case "${enableval}" in
152 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
154 no) enable_targets= ;;
155 *) enable_targets=$enableval ;;
158 # Check whether to enable 64-bit support on 32-bit hosts
159 AC_ARG_ENABLE(64-bit-bfd,
160 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
161 [case "${enableval}" in
164 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
165 esac],[want64=false])dnl
167 # Provide defaults for some variables set by the per-host and per-target
169 gdb_host_obs=posix-hdep.o
171 if test "${target}" = "${host}"; then
177 . $srcdir/configure.host
179 # Accumulate some settings from configure.tgt over all enabled targets
183 HAVE_NATIVE_GCORE_TARGET=
185 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
187 if test "$targ_alias" = "all"; then
190 # Canonicalize the secondary target names.
191 result=`$ac_config_sub $targ_alias 2>/dev/null`
192 if test -n "$result"; then
198 . ${srcdir}/configure.tgt
200 AS_IF([test -z "${gdb_target_obs}"],
201 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
203 # Target-specific object files
204 for i in ${gdb_target_obs}; do
205 case " $TARGET_OBS " in
208 TARGET_OBS="$TARGET_OBS ${i}"
213 # Check whether this target needs 64-bit CORE_ADDR
214 if test x${want64} = xfalse; then
215 . ${srcdir}/../bfd/config.bfd
218 # Check whether this target is native and supports gcore.
219 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
220 && $gdb_have_gcore; then
221 HAVE_NATIVE_GCORE_TARGET=1
226 if test x${all_targets} = xtrue; then
228 # We want all 64-bit targets if we either:
229 # - run on a 64-bit host or
230 # - already require 64-bit support for some other target or
231 # - the --enable-64-bit-bfd option was supplied
232 # Otherwise we only support all 32-bit targets.
234 # NOTE: This test must be in sync with the corresponding
237 if test x${want64} = xfalse; then
238 AC_CHECK_SIZEOF(long)
239 if test "x${ac_cv_sizeof_long}" = "x8"; then
243 if test x${want64} = xtrue; then
244 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
246 TARGET_OBS='$(ALL_TARGET_OBS)'
251 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
253 # For other settings, only the main target counts.
256 targ=$target; . ${srcdir}/configure.tgt
258 # Fetch the default architecture and default target vector from BFD.
259 targ=$target; . $srcdir/../bfd/config.bfd
261 # We only want the first architecture, so strip off the others if
262 # there is more than one.
263 targ_archs=`echo $targ_archs | sed 's/ .*//'`
265 if test "x$targ_archs" != x; then
266 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
267 [Define to BFD's default architecture. ])
269 if test "x$targ_defvec" != x; then
270 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
271 [Define to BFD's default target vector. ])
276 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
281 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
284 if test x"$enable_gdbmi" = xyes; then
285 if test -d "$srcdir/mi"; then
286 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
287 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
288 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
289 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
295 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
300 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
301 esac],enable_tui=auto)
305 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
310 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
312 [if test -d "$srcdir/gdbtk"; then
317 # We unconditionally disable gdbtk tests on selected platforms.
320 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
324 # Handle optional debuginfod support
327 # Libunwind support for ia64.
328 AC_ARG_WITH(libunwind-ia64,
329 AS_HELP_STRING([--with-libunwind-ia64],
330 [use libunwind frame unwinding for ia64 targets]),,
331 [with_libunwind_ia64=auto])
333 # Backward compatibility option.
334 if test "${with_libunwind+set}" = set; then
335 if test x"$with_libunwind_ia64" != xauto; then
337 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
339 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
340 with_libunwind_ia64="$with_libunwind"
343 case "$with_libunwind_ia64" in
347 AC_CHECK_HEADERS(libunwind-ia64.h)
348 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
352 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
356 if test x"$with_libunwind_ia64" = xyes; then
357 AC_CHECK_HEADERS(libunwind-ia64.h)
358 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
359 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
361 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
362 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
363 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
367 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
370 if test "$opt_curses" = "yes"; then
375 AC_ARG_ENABLE(profiling,
376 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
381 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
383 [enable_profiling=no])
385 AC_CHECK_FUNCS(monstartup _mcleanup)
386 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
391 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
392 if test "$ac_cv_var__etext" = yes; then
393 AC_DEFINE(HAVE__ETEXT, 1,
394 [Define to 1 if your system has the _etext variable. ])
396 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
401 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
402 if test "$ac_cv_var_etext" = yes; then
403 AC_DEFINE(HAVE_ETEXT, 1,
404 [Define to 1 if your system has the etext variable. ])
406 if test "$enable_profiling" = yes ; then
407 if test "$ac_cv_func_monstartup" = no || test "$ac_cv_func__mcleanup" = no; then
408 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
412 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
414 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
415 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
416 ac_cv_cc_supports_pg=no)])
418 if test "$ac_cv_cc_supports_pg" = no; then
419 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
426 AC_ARG_ENABLE([codesign],
427 AS_HELP_STRING([--enable-codesign=CERT],
428 [sign gdb with 'codesign -s CERT']),
429 [CODESIGN_CERT=$enableval])
430 AC_SUBST([CODESIGN_CERT])
432 ACX_PKGVERSION([GDB])
433 ACX_BUGURL([https://www.gnu.org/software/gdb/bugs/])
434 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
435 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
437 # --------------------- #
438 # Checks for programs. #
439 # --------------------- #
447 AC_CHECK_TOOL(AR, ar)
448 AC_CHECK_TOOL(DLLTOOL, dlltool)
449 AC_CHECK_TOOL(WINDRES, windres)
453 # Needed for GNU Hurd hosts.
454 AC_CHECK_TOOL(MIG, mig)
455 if test x"$MIG" = x; then
456 AC_MSG_ERROR([MIG not found but required for $host hosts])
461 # ---------------------- #
462 # Checks for libraries. #
463 # ---------------------- #
465 # We might need to link with -lm; most simulators need it.
466 AC_CHECK_LIB(m, main)
468 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
469 AC_SEARCH_LIBS(gethostbyname, nsl)
471 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
472 AC_SEARCH_LIBS(socketpair, socket)
474 # Link in zlib if we can. This allows us to read compressed debug sections.
477 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
478 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
479 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
480 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
481 [Define to 1 if your system has the kinfo_getvmmap function. ])])
485 # GDB may fork/exec the iconv program to get the list of supported character
486 # sets. Allow the user to specify where to find it.
487 # There are several factors affecting the choice of option name:
488 # - There is already --with-libiconv-prefix but we can't use it, it specifies
489 # the build-time location of libiconv files.
490 # - The program we need to find is iconv, which comes with glibc. The user
491 # doesn't necessarily have libiconv installed. Therefore naming this
492 # --with-libiconv-foo feels wrong.
493 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
494 # defined to work on directories not files (though it really doesn't know
496 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
497 # with --with-libiconv-prefix.
498 # Putting these together is why the option name is --with-iconv-bin.
500 AC_ARG_WITH(iconv-bin,
501 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
502 [iconv_bin="${withval}"
503 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
504 [Path of directory of iconv program.])
505 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
508 # For the TUI, we need enhanced curses functionality.
509 if test x"$enable_tui" != xno; then
514 if test x"$prefer_curses" = xyes; then
515 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
516 # curses library because the latter might not provide all the
517 # functionality we need. However, this leads to problems on systems
518 # where the linker searches /usr/local/lib, but the compiler doesn't
519 # search /usr/local/include, if ncurses is installed in /usr/local. A
520 # default installation of ncurses on alpha*-dec-osf* will lead to such
522 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
524 if test "$ac_cv_search_waddstr" != no; then
529 # Check whether we should enable the TUI, but only do so if we really
531 if test x"$enable_tui" != xno; then
532 if test -d "$srcdir/tui"; then
533 if test "$curses_found" != no; then
534 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
535 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
536 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
537 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
539 if test x"$enable_tui" = xyes; then
540 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
542 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
548 # Since GDB uses Readline, we need termcap functionality. In many
549 # cases this will be provided by the curses library, but some systems
550 # have a separate termcap library, or no curses library at all.
554 if test -d "$srcdir/libtermcap"; then
555 LIBS="../libtermcap/libtermcap.a $LIBS"
556 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
559 ac_cv_search_tgetent="none required"
563 # These are the libraries checked by Readline.
564 AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
566 if test "$ac_cv_search_tgetent" = no; then
567 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
570 AC_ARG_WITH([system-readline],
571 [AS_HELP_STRING([--with-system-readline],
572 [use installed readline library])])
574 if test "$with_system_readline" = yes; then
575 AC_CACHE_CHECK([whether system readline is new enough],
576 [gdb_cv_readline_ok],
579 #include <readline/readline.h>],
580 [#if RL_VERSION_MAJOR < 7
581 # error "readline version 7 required"
583 gdb_cv_readline_ok=yes,
584 gdb_cv_readline_ok=no)])
585 if test "$gdb_cv_readline_ok" != yes; then
586 AC_MSG_ERROR([system readline is not new enough])
592 READLINE_TEXI_INCFLAG=
594 READLINE='$(READLINE_DIR)/libreadline.a'
595 READLINE_DEPS='$(READLINE)'
596 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
597 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
600 AC_SUBST(READLINE_DEPS)
601 AC_SUBST(READLINE_CFLAGS)
602 AC_SUBST(READLINE_TEXI_INCFLAG)
604 # Generate jit-reader.h
606 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
609 AC_CHECK_SIZEOF(unsigned long long)
610 AC_CHECK_SIZEOF(unsigned long)
611 AC_CHECK_SIZEOF(unsigned __int128)
613 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
614 TARGET_PTR="unsigned long"
615 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
616 TARGET_PTR="unsigned long long"
617 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
618 TARGET_PTR="unsigned __int128"
620 TARGET_PTR="unsigned long"
624 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
626 AC_SEARCH_LIBS(dlopen, dl)
628 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
629 [directory to load the JIT readers from],
633 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
634 [], [with_expat=auto])
635 AC_MSG_CHECKING([whether to use expat])
636 AC_MSG_RESULT([$with_expat])
638 if test "${with_expat}" = no; then
639 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
642 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
643 [XML_Parser p = XML_ParserCreate (0);])
644 if test "$HAVE_LIBEXPAT" != yes; then
645 if test "$with_expat" = yes; then
646 AC_MSG_ERROR([expat is missing or unusable])
648 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
652 LIBS="$LIBS $LIBEXPAT"
653 AC_CHECK_FUNCS(XML_StopParser)
659 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
660 [], [with_mpfr=auto])
661 AC_MSG_CHECKING([whether to use MPFR])
662 AC_MSG_RESULT([$with_mpfr])
664 if test "${with_mpfr}" = no; then
665 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
668 AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
669 [mpfr_exp_t exp; mpfr_t x;
670 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
671 if test "$HAVE_LIBMPFR" != yes; then
672 if test "$with_mpfr" = yes; then
673 AC_MSG_ERROR([MPFR is missing or unusable])
675 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
680 # --------------------- #
681 # Check for libpython. #
682 # --------------------- #
684 dnl Utility to simplify finding libpython.
685 dnl $1 = the shell variable to assign the result to
686 dnl If libpython is found we store $version here.
687 dnl $2 = additional flags to add to CPPFLAGS
688 dnl $3 = additional flags to add to LIBS
690 AC_DEFUN([AC_TRY_LIBPYTHON],
692 define([have_libpython_var],$1)
695 AC_MSG_CHECKING([for python])
696 save_CPPFLAGS=$CPPFLAGS
698 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
699 LIBS="$new_LIBS $LIBS"
700 found_usable_python=no
701 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
702 [[Py_Initialize ();]])],
703 [have_libpython_var=yes
704 found_usable_python=yes
705 PYTHON_CPPFLAGS=$new_CPPFLAGS
706 PYTHON_LIBS=$new_LIBS])
707 CPPFLAGS=$save_CPPFLAGS
709 AC_MSG_RESULT([${found_usable_python}])
712 dnl There are several different values for --with-python:
714 dnl no - Don't include python support.
715 dnl yes - Include python support, error if it's missing.
716 dnl If we find python in $PATH, use it to fetch configure options,
717 dnl otherwise assume the compiler can find it with no help from us.
718 dnl Python 2.7 and 2.6 are tried in turn.
719 dnl auto - Same as "yes", but if python is missing from the system,
720 dnl fall back to "no".
721 dnl /path/to/python/exec-prefix -
722 dnl Use the python located in this directory.
723 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
724 dnl the compilation parameters. Otherwise use
725 dnl -I/path/to/python/exec-prefix/include,
726 dnl -L/path/to/python/exec-prefix/lib.
727 dnl Python 2.7 and 2.6 are tried in turn.
728 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
729 dnl but is deprecated.
730 dnl /path/to/python/executable -
731 dnl Run python-config.py with this version of python to fetch the
732 dnl compilation parameters.
733 dnl NOTE: This needn't be the real python executable.
734 dnl In a cross-compilation scenario (build != host), this could be
735 dnl a shell script that provides what python-config.py provides for
736 dnl --ldflags, --includes, --exec-prefix.
737 dnl python-executable -
738 dnl Find python-executable in $PATH, and then handle the same as
739 dnl /path/to/python/executable.
741 dnl If a python program is specified, it is used to run python-config.py and
742 dnl is passed --ldflags, --includes, --exec-prefix.
745 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
746 [], [with_python=auto])
747 AC_MSG_CHECKING([whether to use python])
748 AC_MSG_RESULT([$with_python])
750 if test "${with_python}" = no; then
751 AC_MSG_WARN([python support disabled; some features may be unavailable.])
754 case "${with_python}" in
755 [[\\/]]* | ?:[[\\/]]*)
756 if test -d "${with_python}"; then
757 # Assume the python binary is ${with_python}/bin/python.
758 python_prog="${with_python}/bin/python"
760 # If python does not exit ${with_python}/bin, then try in
761 # ${with_python}. On Windows/MinGW, this is where the Python
763 if test ! -x "${python_prog}"; then
764 python_prog="${with_python}/python"
767 if test ! -x "${python_prog}"; then
768 # Fall back to gdb 7.0/7.1 behaviour.
770 python_prefix=${with_python}
772 elif test -x "${with_python}"; then
773 # While we can't run python compiled for $host (unless host == build),
774 # the user could write a script that provides the needed information,
775 # so we support that.
776 python_prog=${with_python}
779 AC_ERROR(invalid value for --with-python)
783 # Disallow --with-python=foo/bar.
784 AC_ERROR(invalid value for --with-python)
787 # The user has either specified auto, yes, or the name of the python
788 # program assumed to be in $PATH.
790 case "${with_python}" in
792 if test "${build}" = "${host}"; then
793 AC_PATH_PROG(python_prog_path, python, missing)
794 if test "${python_prog_path}" = missing; then
797 python_prog=${python_prog_path}
800 # Not much we can do except assume the cross-compiler will find the
806 # While we can't run python compiled for $host (unless host == build),
807 # the user could write a script that provides the needed information,
808 # so we support that.
809 python_prog="${with_python}"
810 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
811 if test "${python_prog_path}" = missing; then
812 AC_ERROR(unable to find python program ${python_prog})
818 if test "${python_prog}" != missing; then
819 # We have a python program to use, but it may be too old.
820 # Don't flag an error for --with-python=auto (the default).
821 have_python_config=yes
822 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
823 if test $? != 0; then
824 have_python_config=failed
825 if test "${with_python}" != auto; then
826 AC_ERROR(failure running python-config --includes)
829 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
830 if test $? != 0; then
831 have_python_config=failed
832 if test "${with_python}" != auto; then
833 AC_ERROR(failure running python-config --ldflags)
836 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
837 if test $? != 0; then
838 have_python_config=failed
839 if test "${with_python}" != auto; then
840 AC_ERROR(failure running python-config --exec-prefix)
844 # We do not have a python executable we can use to determine where
845 # to find the Python headers and libs. We cannot guess the include
846 # path from the python_prefix either, because that include path
847 # depends on the Python version. So, there is nothing much we can
848 # do except assume that the compiler will be able to find those files.
851 have_python_config=no
854 # If we have python-config, only try the configuration it provides.
855 # Otherwise fallback on the old way of trying different versions of
859 if test "${have_python_config}" = yes; then
860 AC_TRY_LIBPYTHON(have_libpython,
861 ${python_includes}, ${python_libs})
862 elif test "${have_python_config}" != failed; then
863 if test "${have_libpython}" = no; then
864 AC_TRY_LIBPYTHON(have_libpython,
865 ${python_includes}, "-lpython2.7 ${python_libs}")
867 if test "${have_libpython}" = no; then
868 AC_TRY_LIBPYTHON(have_libpython,
869 ${python_includes}, "-lpython2.6 ${python_libs}")
873 if test "${have_libpython}" = no; then
874 case "${with_python}" in
876 AC_MSG_ERROR([python is missing or unusable])
879 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
882 AC_MSG_ERROR([no usable python found at ${with_python}])
886 if test -n "${python_prefix}"; then
887 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
888 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
889 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
894 dnl Use --with-python-libdir to control where GDB looks for the Python
897 dnl If this is not given then the default will be based on the value
898 dnl passed to --with-python, which is in the python_prefix variable.
899 dnl If the --with-python option wasn't given then the default value in
900 dnl python_prefix is based on running the 'gdb/python/python-config
901 dnl --exec-prefix' script.
902 AC_ARG_WITH(python-libdir,
903 AS_HELP_STRING([--with-python-libdir@<:@=DIR@:>@], [search for python's libraries in DIR]),
905 # If no python libdir is specified then select one based on
906 # python's prefix path.
907 if test -n "${python_prefix}"; then
908 with_python_libdir=${python_prefix}/lib
912 if test "${have_libpython}" != no; then
913 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
914 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
915 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
916 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
917 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
918 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
920 if test -n "${with_python_libdir}"; then
921 AC_DEFINE_UNQUOTED(WITH_PYTHON_LIBDIR, "${with_python_libdir}",
922 [Directory containing Python's standard libraries from --with-python-libdir.])
923 GDB_AC_DEFINE_RELOCATABLE(PYTHON_LIBDIR, [python lib], ${with_python_libdir})
926 # Flags needed to compile Python code (taken from python-config --cflags).
927 # We cannot call python-config directly because it will output whatever was
928 # used when compiling the Python interpreter itself, including flags which
929 # would make the python-related objects be compiled differently from the
930 # rest of GDB (e.g., -O2 and -fPIC).
931 if test "${GCC}" = yes; then
932 tentative_python_cflags="-fno-strict-aliasing -fwrapv"
933 # Python headers recommend -DNDEBUG, but it's unclear if that just
934 # refers to building Python itself. In release mode, though, it
935 # doesn't hurt for the Python code in gdb to follow.
936 $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
939 if test "x${tentative_python_cflags}" != x; then
940 AC_MSG_CHECKING(compiler flags for python code)
941 for flag in ${tentative_python_cflags}; do
942 # Check that the compiler accepts it
943 saved_CFLAGS="$CFLAGS"
944 CFLAGS="$CFLAGS $flag"
945 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
946 CFLAGS="$saved_CFLAGS"
948 AC_MSG_RESULT(${PYTHON_CFLAGS})
951 # On x64 Windows, Python's include headers, and pyconfig.h in
952 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
953 # version of Windows. Unfortunately, MS_WIN64 is only defined if
954 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
955 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
956 # The issue was reported to the Python community, but still isn't
957 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
961 if test "${GCC}" = yes; then
962 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
967 # Even if Python support is not compiled in, we need to have this file
968 # included so that the "python" command, et.al., still exists.
969 CONFIG_OBS="$CONFIG_OBS python/python.o"
970 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
973 # Work around Python http://bugs.python.org/issue10112. See also
974 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
975 # no effect. Note that the only test after this that uses Python is
976 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
977 # run without -export-dynamic too.
978 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
980 AC_SUBST(PYTHON_CFLAGS)
981 AC_SUBST(PYTHON_CPPFLAGS)
982 AC_SUBST(PYTHON_LIBS)
983 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
985 # -------------------- #
986 # Check for libguile. #
987 # -------------------- #
989 dnl Utility to simplify finding libguile.
990 dnl $1 = pkg-config-program
991 dnl $2 = space-separate list of guile versions to try
992 dnl $3 = yes|no, indicating whether to flag errors or ignore them
993 dnl $4 = the shell variable to assign the result to
994 dnl If libguile is found we store "yes" here.
996 AC_DEFUN([AC_TRY_LIBGUILE],
999 guile_version_list=$2
1001 define([have_libguile_var],$4)
1002 found_usable_guile=checking
1003 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1004 for guile_version in ${guile_version_list}; do
1005 ${pkg_config} --exists ${guile_version} 2>/dev/null
1006 if test $? != 0; then
1009 dnl pkg-config says the package exists, so if we get an error now,
1011 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1012 if test $? != 0; then
1013 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1015 new_LIBS=`${pkg_config} --libs ${guile_version}`
1016 if test $? != 0; then
1017 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1019 dnl If we get this far, great.
1020 found_usable_guile=${guile_version}
1023 if test "${found_usable_guile}" = "checking"; then
1024 if test "${flag_errors}" = "yes"; then
1025 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1027 found_usable_guile=no
1030 dnl One final sanity check.
1031 dnl The user could have said --with-guile=python-2.7.
1032 if test "${found_usable_guile}" != no; then
1033 save_CPPFLAGS=$CPPFLAGS
1035 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1036 LIBS="$LIBS $new_LIBS"
1037 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1038 [[scm_init_guile ();]])],
1039 [have_libguile_var=yes
1040 GUILE_CPPFLAGS=$new_CPPFLAGS
1041 GUILE_LIBS=$new_LIBS],
1042 [found_usable_guile=no])
1043 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1044 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1045 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1046 [Define if Guile supports manual finalization.])
1048 CPPFLAGS=$save_CPPFLAGS
1050 if test "${found_usable_guile}" = no; then
1051 if test "${flag_errors}" = yes; then
1052 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1056 AC_MSG_RESULT([${found_usable_guile}])
1059 dnl There are several different values for --with-guile:
1061 dnl no - Don't include guile support.
1062 dnl yes - Include guile support, error if it's missing.
1063 dnl The pkg-config program must be in $PATH.
1064 dnl auto - Same as "yes", but if guile is missing from the system,
1065 dnl fall back to "no".
1066 dnl guile-version [guile-version-choice-2 ...] -
1067 dnl A space-separated list of guile package versions to try.
1068 dnl These are passed to pkg-config as-is.
1069 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1070 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1071 dnl /path/to/pkg-config -
1072 dnl Use this pkg-config program.
1073 dnl NOTE: This needn't be the "real" pkg-config program.
1074 dnl It could be a shell script. It is invoked as:
1075 dnl pkg-config --exists $version
1076 dnl pkg-config --cflags $version
1077 dnl pkg-config --libs $version
1078 dnl pkg-config --variable guild $version
1079 dnl The script will be called with $version having each value in
1080 dnl $try_guile_versions until --exists indicates success.
1083 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1084 [], [with_guile=auto])
1085 AC_MSG_CHECKING([whether to use guile])
1086 AC_MSG_RESULT([$with_guile])
1088 dnl We check guile with pkg-config.
1089 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1091 try_guile_versions="guile-3.0 guile-2.2 guile-2.0"
1093 case "${with_guile}" in
1095 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1098 if test "${pkg_config_prog_path}" = "missing"; then
1099 AC_MSG_WARN([pkg-config not found, guile support disabled])
1101 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1105 if test "${pkg_config_prog_path}" = "missing"; then
1106 AC_MSG_ERROR([pkg-config not found])
1108 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1110 [[\\/]]* | ?:[[\\/]]*)
1111 if test -x "${with_guile}"; then
1112 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1114 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1118 # Disallow --with=guile="" and --with-guile=foo/bar.
1119 AC_MSG_ERROR([invalid value for --with-guile])
1122 # A space separate list of guile versions to try, in order.
1123 if test "${pkg_config_prog_path}" = "missing"; then
1124 AC_MSG_ERROR([pkg-config not found])
1126 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1130 if test "${have_libguile}" != no; then
1131 dnl Get the name of the 'guild' program.
1132 case "${with_guile}" in
1133 [[\\/]]* | ?:[[\\/]]*)
1134 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1137 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1141 dnl Make sure guild can handle this host.
1142 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1143 dnl If not, disable guile support.
1144 if test "$ac_cv_guild_ok" = no; then
1146 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1150 if test "${have_libguile}" != no; then
1151 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1152 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1153 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1154 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1155 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1156 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1158 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1160 save_CPPFLAGS="$CPPFLAGS"
1162 CPPFLAGS="$GUILE_CPPFLAGS"
1163 AC_CHECK_FUNCS([scm_new_smob])
1165 CPPFLAGS="$save_CPPFLAGS"
1167 # Even if Guile support is not compiled in, we need to have these files
1169 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1170 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1172 AC_SUBST(GUILE_CPPFLAGS)
1173 AC_SUBST(GUILE_LIBS)
1174 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1176 # ---------------------------- #
1177 # Check for source highlight. #
1178 # ---------------------------- #
1183 AC_ARG_ENABLE(source-highlight,
1184 AS_HELP_STRING([--enable-source-highlight],
1185 [enable source-highlight for source listings]),
1186 [case "${enableval}" in
1187 yes) enable_source_highlight=yes ;;
1188 no) enable_source_highlight=no ;;
1189 *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
1191 [enable_source_highlight=auto])
1193 if test "${enable_source_highlight}" != "no"; then
1194 AC_MSG_CHECKING([for the source-highlight library])
1195 if test "${pkg_config_prog_path}" = "missing"; then
1196 AC_MSG_RESULT([no - pkg-config not found])
1197 if test "${enable_source_highlight}" = "yes"; then
1198 AC_MSG_ERROR([pkg-config was not found in your system])
1203 AC_MSG_ERROR([source highlight is incompatible with -static-libstdc++; dnl
1204 either use --disable-source-highlight or dnl
1205 --without-static-standard-libraries])
1209 if ${pkg_config_prog_path} --exists source-highlight; then
1210 SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
1211 SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
1212 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1213 [Define to 1 if the source-highlight library is available])
1214 AC_MSG_RESULT([yes])
1217 if test "${enable_source_highlight}" = "yes"; then
1218 AC_MSG_ERROR([source-highlight was not found in your system])
1223 AC_SUBST(SRCHIGH_LIBS)
1224 AC_SUBST(SRCHIGH_CFLAGS)
1226 # ------------------------- #
1227 # Checks for header files. #
1228 # ------------------------- #
1231 # elf_hp.h is for HP/UX 64-bit shared library support.
1232 AC_CHECK_HEADERS([nlist.h machine/reg.h \
1234 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1235 sys/resource.h sys/ptrace.h ptrace.h \
1236 sys/reg.h sys/debugreg.h \
1237 termios.h elf_hp.h])
1238 AC_CHECK_HEADERS(sys/user.h, [], [],
1239 [#if HAVE_SYS_PARAM_H
1240 # include <sys/param.h>
1244 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1245 AC_CHECK_HEADERS(term.h, [], [],
1247 # include <curses.h>
1251 AC_CHECK_HEADERS([sys/socket.h])
1252 AC_CHECK_HEADERS([ws2tcpip.h])
1254 # ------------------------- #
1255 # Checks for declarations. #
1256 # ------------------------- #
1260 AC_CHECK_DECLS([snprintf])
1263 # ------------------ #
1264 # Checks for types. #
1265 # ------------------ #
1267 AC_CHECK_TYPES(socklen_t, [], [],
1268 [#include <sys/types.h>
1269 #if HAVE_SYS_SOCKET_H
1270 # include <sys/socket.h>
1271 #elif HAVE_WS2TCPIP_H
1272 # include <ws2tcpip.h>
1276 # ------------------------------------- #
1277 # Checks for compiler characteristics. #
1278 # ------------------------------------- #
1284 # ------------------------------ #
1285 # Checks for library functions. #
1286 # ------------------------------ #
1288 AC_CHECK_FUNCS([getuid getgid \
1289 pipe pread pread64 pwrite resize_term \
1291 sigaction sigsetmask socketpair \
1292 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1293 setrlimit getrlimit posix_madvise waitpid \
1294 use_default_colors])
1298 # Check the return and argument types of ptrace.
1301 dnl AC_FUNC_SETPGRP does not work when cross compiling
1302 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1303 if test "$cross_compiling" = no; then
1306 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1310 if (setpgrp(1,1) == -1)
1314 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1315 if test "$ac_cv_func_setpgrp_void" = yes; then
1316 AC_DEFINE(SETPGRP_VOID, 1)
1320 # Assume we'll default to using the included libiberty regex.
1321 gdb_use_included_regex=yes
1323 # However, if the system regex is GNU regex, then default to *not*
1324 # using the included regex.
1327 [gdb_cv_have_gnu_regex],
1329 [#include <gnu-versions.h>],
1330 [#define REGEX_INTERFACE_VERSION 1
1331 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1332 # error "Version mismatch"
1334 gdb_cv_have_gnu_regex=yes,
1335 gdb_cv_have_gnu_regex=no)])
1336 if test "$gdb_cv_have_gnu_regex" = yes; then
1337 gdb_use_included_regex=no
1340 AC_ARG_WITH(included-regex,
1341 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1342 gdb_with_regex=$withval,
1343 gdb_with_regex=$gdb_use_included_regex)
1344 if test "$gdb_with_regex" = yes; then
1345 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1346 [Define to 1 if the regex included in libiberty should be used.])
1349 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1350 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1351 [#include <sys/param.h>
1352 #include <sys/proc.h>
1355 # See if <sys/lwp.h> defines `struct lwp`.
1356 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1357 [AC_TRY_COMPILE([#include <sys/param.h>
1359 #include <sys/lwp.h>], [struct lwp l;],
1360 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1361 if test "$gdb_cv_struct_lwp" = yes; then
1362 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1363 [Define to 1 if your system has struct lwp.])
1366 # See if <machine/reg.h> degines `struct reg'.
1367 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1368 [AC_TRY_COMPILE([#include <sys/types.h>
1369 #include <machine/reg.h>], [struct reg r;],
1370 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1371 if test "$gdb_cv_struct_reg" = yes; then
1372 AC_DEFINE(HAVE_STRUCT_REG, 1,
1373 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1376 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1377 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1378 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1379 [#include <sys/types.h>
1380 #include <machine/reg.h>])
1382 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1383 AC_MSG_CHECKING(for PTRACE_GETREGS)
1384 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1385 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1387 [gdb_cv_have_ptrace_getregs=yes],
1388 [gdb_cv_have_ptrace_getregs=no])])
1389 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1390 if test "$gdb_cv_have_ptrace_getregs" = yes; then
1391 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1392 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1395 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1396 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1397 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1398 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1399 [PTRACE_GETFPXREGS;],
1400 [gdb_cv_have_ptrace_getfpxregs=yes],
1401 [gdb_cv_have_ptrace_getfpxregs=no])])
1402 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1403 if test "$gdb_cv_have_ptrace_getfpxregs" = yes; then
1404 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1405 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1408 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1409 AC_MSG_CHECKING(for PT_GETDBREGS)
1410 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1411 [AC_TRY_COMPILE([#include <sys/types.h>
1412 #include <sys/ptrace.h>],
1414 [gdb_cv_have_pt_getdbregs=yes],
1415 [gdb_cv_have_pt_getdbregs=no])])
1416 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1417 if test "$gdb_cv_have_pt_getdbregs" = yes; then
1418 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1419 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1422 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1423 AC_MSG_CHECKING(for PT_GETXMMREGS)
1424 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1425 [AC_TRY_COMPILE([#include <sys/types.h>
1426 #include <sys/ptrace.h>],
1428 [gdb_cv_have_pt_getxmmregs=yes],
1429 [gdb_cv_have_pt_getxmmregs=no])])
1430 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1431 if test "$gdb_cv_have_pt_getxmmregs" = yes; then
1432 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1433 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1436 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1437 # Older FreeBSD versions don't have the pl_tdname member of
1438 # `struct ptrace_lwpinfo'.
1439 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1440 [#include <sys/ptrace.h>])
1442 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1443 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1445 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1446 [#include <sys/ptrace.h>])
1448 # Check if the compiler supports the `long long' type.
1450 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1451 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1452 [[extern long long foo;]],
1453 [[switch (foo & 2) { case 0: return 1; }]])],
1454 gdb_cv_c_long_long=yes,
1455 gdb_cv_c_long_long=no)])
1456 if test "$gdb_cv_c_long_long" != yes; then
1457 # libdecnumber requires long long.
1458 AC_MSG_ERROR([Compiler must support long long for GDB.])
1461 # Check if the compiler and runtime support printing long longs.
1463 AC_CACHE_CHECK([for long long support in printf],
1464 gdb_cv_printf_has_long_long,
1465 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1468 l = (l << 16) + 0x0123;
1469 l = (l << 16) + 0x4567;
1470 l = (l << 16) + 0x89ab;
1471 l = (l << 16) + 0xcdef;
1472 sprintf (buf, "0x%016llx", l);
1473 return (strcmp ("0x0123456789abcdef", buf));]])],
1474 gdb_cv_printf_has_long_long=yes,
1475 gdb_cv_printf_has_long_long=no,
1476 gdb_cv_printf_has_long_long=no)])
1477 if test "$gdb_cv_printf_has_long_long" = yes; then
1478 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1479 [Define to 1 if the "%ll" format works to print long longs.])
1482 # Check if the compiler and runtime support printing decfloats.
1484 AC_CACHE_CHECK([for decfloat support in printf],
1485 gdb_cv_printf_has_decfloat,
1486 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1488 _Decimal32 d32 = 1.2345df;
1489 _Decimal64 d64 = 1.2345dd;
1490 _Decimal128 d128 = 1.2345dl;
1491 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1492 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1493 gdb_cv_printf_has_decfloat=yes,
1494 gdb_cv_printf_has_decfloat=no,
1495 gdb_cv_printf_has_decfloat=no)])
1496 if test "$gdb_cv_printf_has_decfloat" = yes; then
1497 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1498 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1501 # Check if the compiler supports the `long double' type. We can't use
1502 # AC_C_LONG_DOUBLE because that one does additional checks on the
1503 # constants defined in <float.h> that fail on some systems,
1504 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1506 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1507 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1508 gdb_cv_c_long_double=yes,
1509 gdb_cv_c_long_double=no)])
1510 if test "$gdb_cv_c_long_double" = yes; then
1511 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1512 [Define to 1 if the compiler supports long double.])
1515 # Check if the compiler and runtime support printing long doubles.
1517 AC_CACHE_CHECK([for long double support in printf],
1518 gdb_cv_printf_has_long_double,
1519 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1521 long double f = 3.141592653;
1522 sprintf (buf, "%Lg", f);
1523 return (strncmp ("3.14159", buf, 7));]])],
1524 gdb_cv_printf_has_long_double=yes,
1525 gdb_cv_printf_has_long_double=no,
1526 gdb_cv_printf_has_long_double=no)])
1527 if test "$gdb_cv_printf_has_long_double" = yes; then
1528 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1529 [Define to 1 if the "%Lg" format works to print long doubles.])
1532 # Check if the compiler and runtime support scanning long doubles.
1534 AC_CACHE_CHECK([for long double support in scanf],
1535 gdb_cv_scanf_has_long_double,
1536 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1537 [[#include <stdio.h>]],
1538 [[char *buf = "3.141592653";
1540 sscanf (buf, "%Lg", &f);
1541 return !(f > 3.14159 && f < 3.14160);]])],
1542 gdb_cv_scanf_has_long_double=yes,
1543 gdb_cv_scanf_has_long_double=no,
1544 gdb_cv_scanf_has_long_double=no)])
1545 if test "$gdb_cv_scanf_has_long_double" = yes; then
1546 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1547 [Define to 1 if the "%Lg" format works to scan long doubles.])
1552 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1553 SAVE_LDFLAGS=$LDFLAGS
1556 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1557 *) gdb_cv_bigtoc=-bbigtoc ;;
1560 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1561 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1562 LDFLAGS="${SAVE_LDFLAGS}"
1564 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1568 AC_MSG_CHECKING(for the dynamic export flag)
1570 if test "${gdb_native}" = yes; then
1571 # The dynamically loaded libthread_db needs access to symbols in the gdb
1572 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1573 # may not be supported there.
1574 old_LDFLAGS="$LDFLAGS"
1575 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1576 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1577 LDFLAGS="$LDFLAGS $RDYNAMIC"
1578 if test "${have_libpython}" = no; then
1579 AC_TRY_LINK([], [], [dynamic_list=true])
1581 # Workaround http://bugs.python.org/issue4434 where static
1582 # libpythonX.Y.a would get its symbols required for
1583 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1584 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1586 # Note the workaround for Python
1587 # http://bugs.python.org/issue10112 earlier has removed
1588 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1589 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1591 old_CFLAGS="$CFLAGS"
1592 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1594 LIBS="$LIBS $PYTHON_LIBS"
1595 old_CPPFLAGS="$CPPFLAGS"
1596 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1599 [#include "Python.h"],
1602 err = PyRun_SimpleString ("import itertools\n");
1604 return err == 0 ? 0 : 1;])],
1605 [dynamic_list=true], [], [true])
1607 CFLAGS="$old_CFLAGS"
1608 CPPFLAGS="$old_CPPFLAGS"
1610 LDFLAGS="$old_LDFLAGS"
1612 if $dynamic_list; then
1613 found="-Wl,--dynamic-list"
1614 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1617 RDYNAMIC="-rdynamic"
1620 AC_MSG_RESULT($found)
1622 dnl For certain native configurations, we need to check whether thread
1623 dnl support can be built in or not.
1625 dnl Note that we only want this if we are both native (host == target),
1626 dnl and not doing a canadian cross build (build == host).
1628 if test "${build}" = "${host}" -a "${host}" = "${target}" ; then
1631 AC_MSG_CHECKING(for AiX thread debugging library)
1632 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1633 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1634 [#ifndef PTHDB_VERSION_3
1637 gdb_cv_have_aix_thread_debug=yes,
1638 gdb_cv_have_aix_thread_debug=no)])
1639 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1640 if test "$gdb_cv_have_aix_thread_debug" = yes; then
1641 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1642 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1643 LIBS="$LIBS -lpthdebug"
1645 # Older versions of AIX do not provide the declaration for
1646 # the getthrds function (it appears that it was introduced
1648 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1652 AC_SUBST(CONFIG_LDFLAGS)
1655 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1656 dnl other error codes.
1657 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1658 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1659 gdb_cv_thread_db_h_has_td_notalloc,
1661 [#include <thread_db.h>],
1662 [int i = TD_NOTALLOC;],
1663 gdb_cv_thread_db_h_has_td_notalloc=yes,
1664 gdb_cv_thread_db_h_has_td_notalloc=no
1667 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1668 gdb_cv_thread_db_h_has_td_version,
1670 [#include <thread_db.h>],
1671 [int i = TD_VERSION;],
1672 gdb_cv_thread_db_h_has_td_version=yes,
1673 gdb_cv_thread_db_h_has_td_version=no
1676 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1677 gdb_cv_thread_db_h_has_td_notls,
1679 [#include <thread_db.h>],
1680 [int i = TD_NOTLS;],
1681 gdb_cv_thread_db_h_has_td_notls=yes,
1682 gdb_cv_thread_db_h_has_td_notls=no
1686 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1687 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1688 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1690 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1691 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1692 [Define if <thread_db.h> has the TD_VERSION error code.])
1694 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1695 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1696 [Define if <thread_db.h> has the TD_NOTLS error code.])
1699 dnl Set the host's .gdbinit filename.
1708 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1710 dnl Handle optional features that can be enabled.
1712 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1713 # except that the argument to --with-sysroot is optional.
1714 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1715 if test "x$with_sysroot" = xyes; then
1716 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1718 AC_ARG_WITH(sysroot,
1719 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1720 [search for usr/lib et al within DIR]),
1721 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1722 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1723 [search for usr/lib et al within DIR])
1724 AC_SUBST(TARGET_SYSTEM_ROOT)
1725 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1727 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1728 [automatically load a system-wide gdbinit file],
1730 GDB_AC_WITH_DIR(SYSTEM_GDBINIT_DIR, system-gdbinit-dir,
1731 [automatically load system-wide gdbinit files from this directory],
1737 # In the Cygwin environment, we need some additional flags.
1738 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1739 [AC_EGREP_CPP(^lose$, [
1740 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1742 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1745 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1746 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1748 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1749 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1750 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1751 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1753 AC_SUBST(SER_HARDWIRE)
1755 # libreadline needs libuser32.a in a cygwin environment
1757 if test x"$gdb_cv_os_cygwin" = xyes; then
1758 WIN32LIBS="-luser32"
1760 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1765 # The ser-tcp.c module requires sockets.
1766 # Note that WIN32APILIBS is set by GDB_AC_COMMON.
1767 WIN32LIBS="$WIN32LIBS $WIN32APILIBS"
1769 # Add ELF support to GDB, but only if BFD includes ELF support.
1770 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1771 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1772 if test "$gdb_cv_var_elf" = yes; then
1773 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1774 AC_DEFINE(HAVE_ELF, 1,
1775 [Define if ELF support should be included.])
1776 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1777 if test "$plugins" = "yes"; then
1778 AC_SEARCH_LIBS(dlopen, dl)
1782 # Add macho support to GDB, but only if BFD includes it.
1783 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1784 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1785 if test "$gdb_cv_var_macho" = yes; then
1786 CONFIG_OBS="$CONFIG_OBS machoread.o"
1789 # Add any host-specific objects to GDB.
1790 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1792 # If building on ELF, look for lzma support for embedded compressed debug info.
1793 if test "$gdb_cv_var_elf" = yes; then
1795 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1796 [], [with_lzma=auto])
1797 AC_MSG_CHECKING([whether to use lzma])
1798 AC_MSG_RESULT([$with_lzma])
1800 if test "${with_lzma}" != no; then
1801 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1802 [lzma_index_iter iter;
1803 lzma_index_iter_init (&iter, 0);
1804 lzma_mf_is_supported (LZMA_MF_HC3);])
1805 if test "$HAVE_LIBLZMA" != yes; then
1806 if test "$with_lzma" = yes; then
1807 AC_MSG_ERROR([missing liblzma for --with-lzma])
1813 LIBGUI="../libgui/src/libgui.a"
1814 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1816 AC_SUBST(GUI_CFLAGS_X)
1820 AC_SUBST(WIN32LDAPP)
1823 *-*-cygwin* | *-*-mingw* )
1832 if test "${enable_gdbtk}" = "yes"; then
1834 # Gdbtk must have an absolute path to srcdir in order to run
1835 # properly when not installed.
1843 # If $no_tk is nonempty, then we can't do Tk, and there is no
1844 # point to doing Tcl.
1847 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1850 # Check for in-tree tcl
1857 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1861 # Find Tcl private headers
1862 if test x"${intree}" = xno; then
1863 CY_AC_TCL_PRIVATE_HEADERS
1864 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1865 TCL_LIBRARY="${TCL_LIB_SPEC}"
1868 # If building tcl in the same src tree, private headers
1869 # are not needed, but we need to be sure to use the right
1871 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1872 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1873 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1875 AC_SUBST(TCL_INCLUDE)
1876 AC_SUBST(TCL_LIBRARY)
1881 # Check for in-tree Tk
1883 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1887 # Find Tk private headers
1888 if test x"${intree}" = xno; then
1889 CY_AC_TK_PRIVATE_HEADERS
1890 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1891 TK_LIBRARY=${TK_LIB_SPEC}
1894 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1895 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1896 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1898 AC_SUBST(TK_INCLUDE)
1899 AC_SUBST(TK_LIBRARY)
1901 AC_SUBST(TK_XINCLUDES)
1903 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1905 # Include some libraries that Tcl and Tk want.
1906 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1907 # Yes, the ordering seems wrong here. But it isn't.
1908 # TK_LIBS is the list of libraries that need to be linked
1909 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1910 # were in LIBS then any link tests after this point would
1911 # try to include things like `$(LIBGUI)', which wouldn't work.
1912 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1914 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1915 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1916 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1917 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1918 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1919 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1920 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1922 if test x"$gdb_cv_os_cygwin" = xyes; then
1923 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1924 WIN32LDAPP="-Wl,--subsystem,console"
1925 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1928 AC_CONFIG_SUBDIRS(gdbtk)
1936 AC_SUBST(GDBTK_CFLAGS)
1937 AC_SUBST(GDBTK_SRC_DIR)
1941 # Unlike the sim directory, whether a simulator is linked is controlled by
1942 # presence of a gdb_sim definition in the target configure.tgt entry.
1943 # This code just checks for a few cases where we'd like to ignore those
1944 # definitions, even when they're present in the '.mt' file. These cases
1945 # are when --disable-sim is specified, or if the simulator directory is
1946 # not part of the source tree.
1949 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
1950 [echo "enable_sim = $enable_sim";
1951 echo "enableval = ${enableval}";
1952 case "${enableval}" in
1953 yes) ignore_sim=false ;;
1954 no) ignore_sim=true ;;
1955 *) ignore_sim=false ;;
1959 if test ! -d "${srcdir}/../sim"; then
1965 if test "${ignore_sim}" = "false"; then
1966 if test x"${gdb_sim}" != x ; then
1968 SIM_OBS="remote-sim.o"
1969 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1971 # Some tdep code should only be compiled in when the ppc sim is
1972 # built. PR sim/13418.
1975 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
1983 AC_SUBST(ENABLE_CFLAGS)
1984 AC_SUBST(PROFILE_CFLAGS)
1986 AC_SUBST(CONFIG_OBS)
1987 AC_SUBST(CONFIG_DEPS)
1988 AC_SUBST(CONFIG_SRCS)
1989 AC_SUBST(CONFIG_ALL)
1990 AC_SUBST(CONFIG_CLEAN)
1991 AC_SUBST(CONFIG_INSTALL)
1992 AC_SUBST(CONFIG_UNINSTALL)
1994 # List of host floatformats.
1995 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1996 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1997 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1999 # target_subdir is used by the testsuite to find the target libraries.
2001 if test "${host}" != "${target}"; then
2002 target_subdir="${target_alias}/"
2004 AC_SUBST(target_subdir)
2006 # Import nat definitions.
2007 nat_makefile_frag=/dev/null
2008 if test "${gdb_native}" = "yes"; then
2009 . ${srcdir}/configure.nat
2010 nativefile=$NAT_FILE
2014 AC_SUBST(NATDEPFILES)
2019 AC_SUBST(NAT_GENERATED_FILES)
2020 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2021 AC_SUBST_FILE(nat_makefile_frag)
2023 if test x"${gdb_osabi}" != x ; then
2024 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2025 [Define to the default OS ABI for this configuration.])
2028 # Check for babeltrace and babeltrace-ctf
2029 AC_ARG_WITH(babeltrace,
2030 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2031 [], [with_babeltrace=auto])
2032 AC_MSG_CHECKING([whether to use babeltrace])
2033 AC_MSG_RESULT([$with_babeltrace])
2035 if test "x$with_babeltrace" = "xno"; then
2036 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2038 # Append -Werror to CFLAGS so that configure can catch the warning
2039 # "assignment from incompatible pointer type", which is related to
2040 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2041 # in GDB, while babeltrace 1.0.3 is broken.
2042 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2043 # safe to save and restore CFLAGS here.
2044 saved_CFLAGS=$CFLAGS
2045 CFLAGS="$CFLAGS -Werror"
2046 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2047 [#include <babeltrace/babeltrace.h>
2048 #include <babeltrace/ctf/events.h>
2049 #include <babeltrace/ctf/iterator.h>],
2050 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2051 struct bt_ctf_event *event = NULL;
2052 const struct bt_definition *scope;
2054 pos->type = BT_SEEK_BEGIN;
2055 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2056 scope = bt_ctf_get_top_level_scope (event,
2057 BT_STREAM_EVENT_HEADER);
2058 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2060 CFLAGS=$saved_CFLAGS
2062 if test "$HAVE_LIBBABELTRACE" != yes; then
2063 if test "$with_babeltrace" = yes; then
2064 AC_MSG_ERROR([babeltrace is missing or unusable])
2066 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2073 AC_HELP_STRING([--with-xxhash], [use libxxhash for hashing (faster) (auto/yes/no)]),
2074 [], [with_xxhash=auto])
2076 GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections])
2077 if test x${enable_static} = xno; then
2078 LIBCTF="-Wl,--rpath,../libctf/.libs ../libctf/.libs/libctf.so"
2079 CTF_DEPS="../libctf/.libs/libctf.so"
2081 LIBCTF="../libctf/.libs/libctf.a"
2084 if test "${enable_libctf}" = yes; then
2085 AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections])
2090 AC_SUBST(ENABLE_LIBCTF)
2094 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2097 if test "x$with_xxhash" != "xno"; then
2098 AC_LIB_HAVE_LINKFLAGS([xxhash], [],
2099 [#include <xxhash.h>],
2100 [XXH32("foo", 3, 0);
2102 if test "$HAVE_LIBXXHASH" != yes; then
2103 if test "$with_xxhash" = yes; then
2104 AC_MSG_ERROR([xxhash is missing or unusable])
2107 if test "x$with_xxhash" = "xauto"; then
2108 with_xxhash="$HAVE_LIBXXHASH"
2112 AC_MSG_CHECKING([whether to use xxhash])
2113 AC_MSG_RESULT([$with_xxhash])
2117 if test "${nativefile}" != ""; then
2118 case "${nativefile}" in
2119 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2120 * ) GDB_NM_FILE="${nativefile}"
2122 AC_CONFIG_LINKS([nm.h:$GDB_NM_FILE], [echo > stamp-nmh],
2123 [GDB_NM_FILE=$GDB_NM_FILE])
2124 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2127 AC_SUBST(GDB_NM_FILE)
2130 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2131 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2132 if test "x$USE_MAINTAINER_MODE" = xyes; then
2133 if test "${XSLTPROC}" = missing; then
2134 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2139 dnl Check for exe extension set on certain hosts (e.g. Win32)
2142 dnl Detect the character set used by this host.
2143 dnl At the moment, we just assume it's UTF-8.
2144 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2145 [Define to be a string naming the default host character set.])
2148 CONFIG_OBS="$CONFIG_OBS \$(SELFTESTS_OBS)"
2149 CONFIG_SRCS="$CONFIG_SRCS \$(SELFTESTS_SRCS)"
2152 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2153 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2154 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2155 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile])