1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2022 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_MACRO_DIRS([../config])
23 AC_CONFIG_SRCDIR([main.c])
24 AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
30 AC_USE_SYSTEM_EXTENSIONS
36 # Set build, build_cpu, build_vendor and build_os.
39 # Set host, host_cpu, host_vendor, and host_os.
42 # Set target, target_cpu, target_vendor, and target_os.
45 ACX_NONCANONICAL_TARGET
49 # We require a C++11 compiler. Check if one is available, and if
50 # necessary, set CXX_DIALECT to some -std=xxx switch.
51 AX_CXX_COMPILE_STDCXX(11, , mandatory)
53 # Dependency checking.
55 ZW_PROG_COMPILER_DEPENDENCIES([CC])
57 dnl List of object files and targets accumulated by configure.
69 dnl Set up for gettext.
70 ZW_GNU_GETTEXT_SISTER_DIR
72 localedir='${datadir}/locale'
75 if test x"$USE_NLS" = xyes; then
76 CONFIG_ALL="$CONFIG_ALL all-po"
77 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
78 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
79 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
83 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
86 # We never need to detect it in this sub-configure.
87 # But preserve it for config.status --recheck.
89 [Parent configure detects if it is of sufficient version.])
90 AC_ARG_VAR(MAKEINFOFLAGS,
91 [Parameters for MAKEINFO.])
93 MAKEINFO_EXTRA_FLAGS=""
94 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
95 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
96 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
97 gdb_cv_have_makeinfo_click=yes
99 gdb_cv_have_makeinfo_click=no
101 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
102 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
104 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
106 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
107 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
110 # We can't pass paths as command line arguments.
111 # Mingw32 tries to be clever and will convert the paths for us.
112 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
113 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
114 # This breaks GDB's relocatable path conversions since paths passed in
115 # config.h would not get so translated, the path prefixes no longer match.
116 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
118 # GDB's datadir relocation
120 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
121 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
124 AC_ARG_WITH(relocated-sources,
125 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
126 [reloc_srcdir="${withval}"
127 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
128 [Relocated directory for source files. ])
131 AC_MSG_CHECKING([for default auto-load directory])
132 AC_ARG_WITH(auto-load-dir,
133 AS_HELP_STRING([--with-auto-load-dir=PATH],
134 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
135 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
136 escape_dir=`echo $with_auto_load_dir | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
137 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
138 [Directories from which to load auto-loaded scripts.])
139 AC_MSG_RESULT([$with_auto_load_dir])
141 AC_MSG_CHECKING([for default auto-load safe-path])
142 AC_ARG_WITH(auto-load-safe-path,
143 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
144 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
145 AS_HELP_STRING([--without-auto-load-safe-path],
146 [do not restrict auto-loaded files locations]),
147 [if test "$with_auto_load_safe_path" = "no"; then
148 with_auto_load_safe_path="/"
150 [with_auto_load_safe_path="$with_auto_load_dir"])
151 escape_dir=`echo $with_auto_load_safe_path | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
152 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
153 [Directories safe to hold auto-loaded files.])
154 AC_MSG_RESULT([$with_auto_load_safe_path])
156 AC_CONFIG_SUBDIRS(testsuite)
158 # Check whether to support alternative target configurations
159 AC_ARG_ENABLE(targets,
160 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
161 [case "${enableval}" in
162 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
164 no) enable_targets= ;;
165 *) enable_targets=$enableval ;;
170 # Provide defaults for some variables set by the per-host and per-target
172 gdb_host_obs=posix-hdep.o
174 if test "${target}" = "${host}"; then
180 . $srcdir/configure.host
182 # Accumulate some settings from configure.tgt over all enabled targets
186 HAVE_NATIVE_GCORE_TARGET=
188 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
190 if test "$targ_alias" = "all"; then
193 # Canonicalize the secondary target names.
194 result=`$ac_config_sub $targ_alias 2>/dev/null`
195 if test -n "$result"; then
201 . ${srcdir}/configure.tgt
203 AS_IF([test -z "${gdb_target_obs}"],
204 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
206 # Target-specific object files
207 for i in ${gdb_target_obs}; do
208 case " $TARGET_OBS " in
211 TARGET_OBS="$TARGET_OBS ${i}"
216 # Check whether this target needs 64-bit CORE_ADDR
217 if test x${enable_64_bit_bfd} = xno; then
218 . ${srcdir}/../bfd/config.bfd
221 # Check whether this target is native and supports gcore.
222 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
223 && $gdb_have_gcore; then
224 HAVE_NATIVE_GCORE_TARGET=1
229 if test x${all_targets} = xtrue; then
230 if test x${enable_64_bit_bfd} = xyes; then
231 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
233 TARGET_OBS='$(ALL_TARGET_OBS)'
238 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
240 # For other settings, only the main target counts.
243 targ=$target; . ${srcdir}/configure.tgt
245 # Fetch the default architecture and default target vector from BFD.
246 targ=$target; . $srcdir/../bfd/config.bfd
248 # We only want the first architecture, so strip off the others if
249 # there is more than one.
250 targ_archs=`echo $targ_archs | sed 's/ .*//'`
252 if test "x$targ_archs" != x; then
253 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
254 [Define to BFD's default architecture. ])
256 if test "x$targ_defvec" != x; then
257 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
258 [Define to BFD's default target vector. ])
263 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
268 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
271 if test x"$enable_gdbmi" = xyes; then
272 if test -d "$srcdir/mi"; then
273 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
274 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
275 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
276 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
282 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
287 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
288 esac],enable_tui=auto)
292 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
297 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
299 [if test -d "$srcdir/gdbtk"; then
304 # We unconditionally disable gdbtk tests on selected platforms.
307 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
311 # Handle optional debuginfod support
314 # Libunwind support for ia64.
315 AC_ARG_WITH(libunwind-ia64,
316 AS_HELP_STRING([--with-libunwind-ia64],
317 [use libunwind frame unwinding for ia64 targets]),,
318 [with_libunwind_ia64=auto])
320 # Backward compatibility option.
321 if test "${with_libunwind+set}" = set; then
322 if test x"$with_libunwind_ia64" != xauto; then
324 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
326 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
327 with_libunwind_ia64="$with_libunwind"
330 case "$with_libunwind_ia64" in
334 AC_CHECK_HEADERS(libunwind-ia64.h)
335 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
339 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
343 if test x"$with_libunwind_ia64" = xyes; then
344 AC_CHECK_HEADERS(libunwind-ia64.h)
345 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
346 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
348 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
349 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
350 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
354 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
357 if test "$opt_curses" = "yes"; then
362 AC_ARG_ENABLE(profiling,
363 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
368 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
370 [enable_profiling=no])
372 AC_CHECK_FUNCS(monstartup _mcleanup)
379 extern char _etext;],
382 [ac_cv_var__etext=yes],
383 [ac_cv_var__etext=no]
386 if test "$ac_cv_var__etext" = yes; then
387 AC_DEFINE(HAVE__ETEXT, 1,
388 [Define to 1 if your system has the _etext variable. ])
399 [ac_cv_var_etext=yes],
403 if test "$ac_cv_var_etext" = yes; then
404 AC_DEFINE(HAVE_ETEXT, 1,
405 [Define to 1 if your system has the etext variable. ])
407 if test "$enable_profiling" = yes ; then
408 if test "$ac_cv_func_monstartup" = no || test "$ac_cv_func__mcleanup" = no; then
409 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
413 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
416 [whether $CC supports -pg],
417 [ac_cv_cc_supports_pg],
419 [AC_LANG_PROGRAM([], [int x;])],
420 [ac_cv_cc_supports_pg=yes],
421 [ac_cv_cc_supports_pg=no]
425 if test "$ac_cv_cc_supports_pg" = no; then
426 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
433 AC_ARG_ENABLE([codesign],
434 AS_HELP_STRING([--enable-codesign=CERT],
435 [sign gdb with 'codesign -s CERT']),
436 [CODESIGN_CERT=$enableval])
437 AC_SUBST([CODESIGN_CERT])
439 ACX_PKGVERSION([GDB])
440 ACX_BUGURL([https://www.gnu.org/software/gdb/bugs/])
441 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
442 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
444 # --------------------- #
445 # Checks for programs. #
446 # --------------------- #
454 AC_CHECK_TOOL(AR, ar)
455 AC_CHECK_TOOL(DLLTOOL, dlltool)
456 AC_CHECK_TOOL(WINDRES, windres)
460 # Needed for GNU Hurd hosts.
461 AC_CHECK_TOOL(MIG, mig)
462 if test x"$MIG" = x; then
463 AC_MSG_ERROR([MIG not found but required for $host hosts])
468 # ---------------------- #
469 # Checks for libraries. #
470 # ---------------------- #
472 # We might need to link with -lm; most simulators need it.
473 AC_CHECK_LIB(m, main)
475 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
476 AC_SEARCH_LIBS(gethostbyname, nsl)
478 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
479 AC_SEARCH_LIBS(socketpair, socket)
481 # Link in zlib if we can. This allows us to read compressed debug sections.
486 # GDB may fork/exec the iconv program to get the list of supported character
487 # sets. Allow the user to specify where to find it.
488 # There are several factors affecting the choice of option name:
489 # - There is already --with-libiconv-prefix but we can't use it, it specifies
490 # the build-time location of libiconv files.
491 # - The program we need to find is iconv, which comes with glibc. The user
492 # doesn't necessarily have libiconv installed. Therefore naming this
493 # --with-libiconv-foo feels wrong.
494 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
495 # defined to work on directories not files (though it really doesn't know
497 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
498 # with --with-libiconv-prefix.
499 # Putting these together is why the option name is --with-iconv-bin.
501 AC_ARG_WITH(iconv-bin,
502 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
503 [iconv_bin="${withval}"
504 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
505 [Path of directory of iconv program.])
506 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
509 # For the TUI, we need enhanced curses functionality.
510 if test x"$enable_tui" != xno; then
515 if test x"$prefer_curses" = xyes; then
516 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
517 # curses library because the latter might not provide all the
518 # functionality we need. However, this leads to problems on systems
519 # where the linker searches /usr/local/lib, but the compiler doesn't
520 # search /usr/local/include, if ncurses is installed in /usr/local. A
521 # default installation of ncurses on alpha*-dec-osf* will lead to such
523 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
525 if test "$ac_cv_search_waddstr" != no; then
530 # Check whether we should enable the TUI, but only do so if we really
532 if test x"$enable_tui" != xno; then
533 if test -d "$srcdir/tui"; then
534 if test "$curses_found" != no; then
535 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
536 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
537 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
538 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
540 if test x"$enable_tui" = xyes; then
541 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
543 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
549 # Since GDB uses Readline, we need termcap functionality. In many
550 # cases this will be provided by the curses library, but some systems
551 # have a separate termcap library, or no curses library at all.
555 if test -d "$srcdir/libtermcap"; then
556 LIBS="../libtermcap/libtermcap.a $LIBS"
557 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
560 ac_cv_search_tgetent="none required"
564 # These are the libraries checked by Readline.
565 AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
567 if test "$ac_cv_search_tgetent" = no; then
568 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
571 AC_ARG_WITH([system-readline],
572 [AS_HELP_STRING([--with-system-readline],
573 [use installed readline library])])
575 if test "$with_system_readline" = yes; then
576 AC_CHECK_HEADERS(readline/readline.h, [readline_h=yes], [readline_h=no])
577 if test "$readline_h" = "no"; then
578 AC_MSG_ERROR([readline development packages are probably missing])
581 [whether system readline is new enough],
582 [gdb_cv_readline_ok],
586 #include <readline/readline.h>],
587 [#if RL_VERSION_MAJOR < 7
588 # error "readline version 7 required"
591 [gdb_cv_readline_ok=yes],
592 [gdb_cv_readline_ok=no]
595 if test "$gdb_cv_readline_ok" != yes; then
596 AC_MSG_ERROR([system readline is not new enough])
602 READLINE_TEXI_INCFLAG=
604 READLINE='$(READLINE_DIR)/libreadline.a'
605 READLINE_DEPS='$(READLINE)'
606 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
607 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
610 AC_SUBST(READLINE_DEPS)
611 AC_SUBST(READLINE_CFLAGS)
612 AC_SUBST(READLINE_TEXI_INCFLAG)
614 # Generate jit-reader.h
616 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
619 AC_CHECK_SIZEOF(unsigned long long)
620 AC_CHECK_SIZEOF(unsigned long)
621 AC_CHECK_SIZEOF(unsigned __int128)
623 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
624 TARGET_PTR="unsigned long"
625 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
626 TARGET_PTR="unsigned long long"
627 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
628 TARGET_PTR="unsigned __int128"
630 TARGET_PTR="unsigned long"
634 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
636 AC_SEARCH_LIBS(dlopen, dl)
638 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
639 [directory to load the JIT readers from],
643 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
644 [], [with_expat=auto])
645 AC_MSG_CHECKING([whether to use expat])
646 AC_MSG_RESULT([$with_expat])
648 if test "${with_expat}" = no; then
649 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
652 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
653 [XML_Parser p = XML_ParserCreate (0);])
654 if test "$HAVE_LIBEXPAT" != yes; then
655 if test "$with_expat" = yes; then
656 AC_MSG_ERROR([expat is missing or unusable])
658 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
662 LIBS="$LIBS $LIBEXPAT"
663 AC_CHECK_FUNCS(XML_StopParser)
668 # Verify that we have a usable GMP library.
669 AC_LIB_HAVE_LINKFLAGS([gmp], [], [#include <gmp.h>],
672 if test "$HAVE_LIBGMP" != yes; then
673 AC_MSG_ERROR([GMP is missing or unusable])
677 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
678 [], [with_mpfr=auto])
679 AC_MSG_CHECKING([whether to use MPFR])
680 AC_MSG_RESULT([$with_mpfr])
682 if test "${with_mpfr}" = no; then
683 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
686 AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
687 [mpfr_exp_t exp; mpfr_t x;
688 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
689 if test "$HAVE_LIBMPFR" != yes; then
690 if test "$with_mpfr" = yes; then
691 AC_MSG_ERROR([MPFR is missing or unusable])
693 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
698 # --------------------- #
699 # Check for libpython. #
700 # --------------------- #
702 dnl Utility to simplify finding libpython.
703 dnl $1 = the shell variable to assign the result to
704 dnl If libpython is found we store $version here.
705 dnl $2 = additional flags to add to CPPFLAGS
706 dnl $3 = additional flags to add to LIBS
708 AC_DEFUN([AC_TRY_LIBPYTHON],
710 define([have_libpython_var],$1)
713 AC_MSG_CHECKING([for python])
714 save_CPPFLAGS=$CPPFLAGS
716 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
717 LIBS="$new_LIBS $LIBS"
718 found_usable_python=no
719 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
721 #if PY_MAJOR_VERSION != 3
722 # error "We only support Python 3"
726 [have_libpython_var=yes
727 found_usable_python=yes
728 PYTHON_CPPFLAGS=$new_CPPFLAGS
729 PYTHON_LIBS=$new_LIBS])
730 CPPFLAGS=$save_CPPFLAGS
732 AC_MSG_RESULT([${found_usable_python}])
735 dnl There are several different values for --with-python:
737 dnl no - Don't include python support.
738 dnl yes - Include python support, error if it's missing.
739 dnl If we find python in $PATH, use it to fetch configure options,
740 dnl otherwise assume the compiler can find it with no help from us.
741 dnl auto - Same as "yes", but if python is missing from the system,
742 dnl fall back to "no".
743 dnl /path/to/python/exec-prefix -
744 dnl Use the python located in this directory.
745 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
746 dnl the compilation parameters. Otherwise use
747 dnl -I/path/to/python/exec-prefix/include,
748 dnl -L/path/to/python/exec-prefix/lib.
749 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
750 dnl but is deprecated.
751 dnl /path/to/python/executable -
752 dnl Run python-config.py with this version of python to fetch the
753 dnl compilation parameters.
754 dnl NOTE: This needn't be the real python executable.
755 dnl In a cross-compilation scenario (build != host), this could be
756 dnl a shell script that provides what python-config.py provides for
757 dnl --ldflags, --includes, --exec-prefix.
758 dnl python-executable -
759 dnl Find python-executable in $PATH, and then handle the same as
760 dnl /path/to/python/executable.
762 dnl If a python program is specified, it is used to run python-config.py and
763 dnl is passed --ldflags, --includes, --exec-prefix.
766 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
767 [], [with_python=auto])
768 AC_MSG_CHECKING([whether to use python])
769 AC_MSG_RESULT([$with_python])
771 if test "${with_python}" = no; then
772 AC_MSG_WARN([python support disabled; some features may be unavailable.])
775 case "${with_python}" in
776 [[\\/]]* | ?:[[\\/]]*)
777 if test -d "${with_python}"; then
778 # Assume the python binary is ${with_python}/bin/python.
779 python_prog="${with_python}/bin/python"
781 # If python does not exit ${with_python}/bin, then try in
782 # ${with_python}. On Windows/MinGW, this is where the Python
784 if test ! -x "${python_prog}"; then
785 python_prog="${with_python}/python"
788 if test ! -x "${python_prog}"; then
789 # Fall back to gdb 7.0/7.1 behaviour.
791 python_prefix=${with_python}
793 elif test -x "${with_python}"; then
794 # While we can't run python compiled for $host (unless host == build),
795 # the user could write a script that provides the needed information,
796 # so we support that.
797 python_prog=${with_python}
800 AC_MSG_ERROR(invalid value for --with-python)
804 # Disallow --with-python=foo/bar.
805 AC_MSG_ERROR(invalid value for --with-python)
808 # The user has either specified auto, yes, or the name of the python
809 # program assumed to be in $PATH.
811 case "${with_python}" in
813 if test "${build}" = "${host}"; then
814 AC_PATH_PROG(python_prog_path, python, missing)
815 if test "${python_prog_path}" = missing; then
818 python_prog=${python_prog_path}
821 # Not much we can do except assume the cross-compiler will find the
827 # While we can't run python compiled for $host (unless host == build),
828 # the user could write a script that provides the needed information,
829 # so we support that.
830 python_prog="${with_python}"
831 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
832 if test "${python_prog_path}" = missing; then
833 AC_MSG_ERROR(unable to find python program ${python_prog})
839 if test "${python_prog}" != missing; then
840 # We have a python program to use, but it may be too old.
841 # Don't flag an error for --with-python=auto (the default).
842 have_python_config=yes
843 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
844 if test $? != 0; then
845 have_python_config=failed
846 if test "${with_python}" != auto; then
847 AC_MSG_ERROR(failure running python-config --includes)
850 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
851 if test $? != 0; then
852 have_python_config=failed
853 if test "${with_python}" != auto; then
854 AC_MSG_ERROR(failure running python-config --ldflags)
857 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
858 if test $? != 0; then
859 have_python_config=failed
860 if test "${with_python}" != auto; then
861 AC_MSG_ERROR(failure running python-config --exec-prefix)
865 # We do not have a python executable we can use to determine where
866 # to find the Python headers and libs. We cannot guess the include
867 # path from the python_prefix either, because that include path
868 # depends on the Python version. So, there is nothing much we can
869 # do except assume that the compiler will be able to find those files.
872 have_python_config=no
875 # If we have python-config, only try the configuration it provides.
876 # Otherwise fallback on the old way of trying different versions of
880 if test "${have_python_config}" = yes; then
881 AC_TRY_LIBPYTHON(have_libpython,
882 ${python_includes}, ${python_libs})
885 if test "${have_libpython}" = no; then
886 case "${with_python}" in
888 AC_MSG_ERROR([python is missing or unusable])
891 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
894 AC_MSG_ERROR([no usable python found at ${with_python}])
898 if test -n "${python_prefix}"; then
899 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
900 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
901 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
906 dnl Use --with-python-libdir to control where GDB looks for the Python
909 dnl If this is not given then the default will be based on the value
910 dnl passed to --with-python, which is in the python_prefix variable.
911 dnl If the --with-python option wasn't given then the default value in
912 dnl python_prefix is based on running the 'gdb/python/python-config
913 dnl --exec-prefix' script.
914 AC_ARG_WITH(python-libdir,
915 AS_HELP_STRING([--with-python-libdir@<:@=DIR@:>@], [search for python's libraries in DIR]),
917 # If no python libdir is specified then select one based on
918 # python's prefix path.
919 if test -n "${python_prefix}"; then
920 with_python_libdir=${python_prefix}/lib
924 if test "${have_libpython}" != no; then
925 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
926 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
927 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
928 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
929 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
930 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
932 if test -n "${with_python_libdir}"; then
933 AC_DEFINE_UNQUOTED(WITH_PYTHON_LIBDIR, "${with_python_libdir}",
934 [Directory containing Python's standard libraries from --with-python-libdir.])
935 GDB_AC_DEFINE_RELOCATABLE(PYTHON_LIBDIR, [python lib], ${with_python_libdir})
938 # Flags needed to compile Python code (taken from python-config --cflags).
939 # We cannot call python-config directly because it will output whatever was
940 # used when compiling the Python interpreter itself, including flags which
941 # would make the python-related objects be compiled differently from the
942 # rest of GDB (e.g., -O2 and -fPIC).
943 if test "${GCC}" = yes; then
944 tentative_python_cflags="-fno-strict-aliasing -fwrapv"
945 # Python headers recommend -DNDEBUG, but it's unclear if that just
946 # refers to building Python itself. In release mode, though, it
947 # doesn't hurt for the Python code in gdb to follow.
948 $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
951 if test "x${tentative_python_cflags}" != x; then
952 AC_MSG_CHECKING(compiler flags for python code)
953 for flag in ${tentative_python_cflags}; do
954 # Check that the compiler accepts it
955 saved_CFLAGS="$CFLAGS"
956 CFLAGS="$CFLAGS $flag"
958 [AC_LANG_PROGRAM([], [])],
959 [PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag"],
962 CFLAGS="$saved_CFLAGS"
964 AC_MSG_RESULT(${PYTHON_CFLAGS})
967 # On x64 Windows, Python's include headers, and pyconfig.h in
968 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
969 # version of Windows. Unfortunately, MS_WIN64 is only defined if
970 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
971 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
972 # The issue was reported to the Python community, but still isn't
973 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
977 if test "${GCC}" = yes; then
978 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
983 # Even if Python support is not compiled in, we need to have this file
984 # included so that the "python" command, et.al., still exists.
985 CONFIG_OBS="$CONFIG_OBS python/python.o"
986 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
989 # Work around Python http://bugs.python.org/issue10112. See also
990 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
991 # no effect. Note that the only test after this that uses Python is
992 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
993 # run without -export-dynamic too.
994 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
996 AC_SUBST(PYTHON_CFLAGS)
997 AC_SUBST(PYTHON_CPPFLAGS)
998 AC_SUBST(PYTHON_LIBS)
999 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1001 # -------------------- #
1002 # Check for libguile. #
1003 # -------------------- #
1005 dnl Utility to simplify finding libguile.
1006 dnl $1 = pkg-config-program
1007 dnl $2 = space-separate list of guile versions to try
1008 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1009 dnl $4 = the shell variable to assign the result to
1010 dnl If libguile is found we store "yes" here.
1012 AC_DEFUN([AC_TRY_LIBGUILE],
1015 guile_version_list=$2
1017 define([have_libguile_var],$4)
1018 found_usable_guile=checking
1019 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1020 for guile_version in ${guile_version_list}; do
1021 ${pkg_config} --exists ${guile_version} 2>/dev/null
1022 if test $? != 0; then
1025 dnl pkg-config says the package exists, so if we get an error now,
1027 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1028 if test $? != 0; then
1029 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1031 new_LIBS=`${pkg_config} --libs ${guile_version}`
1032 if test $? != 0; then
1033 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1035 dnl If we get this far, great.
1036 found_usable_guile=${guile_version}
1039 if test "${found_usable_guile}" = "checking"; then
1040 if test "${flag_errors}" = "yes"; then
1041 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1043 found_usable_guile=no
1046 dnl One final sanity check.
1047 dnl The user could have said --with-guile=python-2.7.
1048 if test "${found_usable_guile}" != no; then
1049 save_CPPFLAGS=$CPPFLAGS
1051 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1052 LIBS="$LIBS $new_LIBS"
1053 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1054 [[scm_init_guile ();]])],
1055 [have_libguile_var=yes
1056 GUILE_CPPFLAGS=$new_CPPFLAGS
1057 GUILE_LIBS=$new_LIBS],
1058 [found_usable_guile=no])
1059 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1060 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1061 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1062 [Define if Guile supports manual finalization.])
1064 CPPFLAGS=$save_CPPFLAGS
1066 if test "${found_usable_guile}" = no; then
1067 if test "${flag_errors}" = yes; then
1068 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1072 AC_MSG_RESULT([${found_usable_guile}])
1075 dnl There are several different values for --with-guile:
1077 dnl no - Don't include guile support.
1078 dnl yes - Include guile support, error if it's missing.
1079 dnl The pkg-config program must be in $PATH.
1080 dnl auto - Same as "yes", but if guile is missing from the system,
1081 dnl fall back to "no".
1082 dnl guile-version [guile-version-choice-2 ...] -
1083 dnl A space-separated list of guile package versions to try.
1084 dnl These are passed to pkg-config as-is.
1085 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1086 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1087 dnl /path/to/pkg-config -
1088 dnl Use this pkg-config program.
1089 dnl NOTE: This needn't be the "real" pkg-config program.
1090 dnl It could be a shell script. It is invoked as:
1091 dnl pkg-config --exists $version
1092 dnl pkg-config --cflags $version
1093 dnl pkg-config --libs $version
1094 dnl pkg-config --variable guild $version
1095 dnl The script will be called with $version having each value in
1096 dnl $try_guile_versions until --exists indicates success.
1099 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1100 [], [with_guile=auto])
1101 AC_MSG_CHECKING([whether to use guile])
1102 AC_MSG_RESULT([$with_guile])
1104 dnl We check guile with pkg-config.
1105 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1107 try_guile_versions="guile-3.0 guile-2.2 guile-2.0"
1109 case "${with_guile}" in
1111 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1114 if test "${pkg_config_prog_path}" = "missing"; then
1115 AC_MSG_WARN([pkg-config not found, guile support disabled])
1117 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1121 if test "${pkg_config_prog_path}" = "missing"; then
1122 AC_MSG_ERROR([pkg-config not found])
1124 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1126 [[\\/]]* | ?:[[\\/]]*)
1127 if test -x "${with_guile}"; then
1128 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1130 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1134 # Disallow --with=guile="" and --with-guile=foo/bar.
1135 AC_MSG_ERROR([invalid value for --with-guile])
1138 # A space separate list of guile versions to try, in order.
1139 if test "${pkg_config_prog_path}" = "missing"; then
1140 AC_MSG_ERROR([pkg-config not found])
1142 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1146 if test "${have_libguile}" != no; then
1147 dnl Get the name of the 'guild' program.
1148 case "${with_guile}" in
1149 [[\\/]]* | ?:[[\\/]]*)
1150 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1153 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1157 dnl Make sure guild can handle this host.
1158 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1159 dnl If not, disable guile support.
1160 if test "$ac_cv_guild_ok" = no; then
1162 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1166 if test "${have_libguile}" != no; then
1167 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1168 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1169 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1170 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1171 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1172 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1174 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1176 save_CPPFLAGS="$CPPFLAGS"
1178 CPPFLAGS="$GUILE_CPPFLAGS"
1179 AC_CHECK_FUNCS([scm_new_smob])
1181 CPPFLAGS="$save_CPPFLAGS"
1183 # Even if Guile support is not compiled in, we need to have these files
1185 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1186 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1188 AC_SUBST(GUILE_CPPFLAGS)
1189 AC_SUBST(GUILE_LIBS)
1190 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1192 # ---------------------------- #
1193 # Check for source highlight. #
1194 # ---------------------------- #
1199 AC_ARG_ENABLE(source-highlight,
1200 AS_HELP_STRING([--enable-source-highlight],
1201 [enable source-highlight for source listings]),
1202 [case "${enableval}" in
1203 yes) enable_source_highlight=yes ;;
1204 no) enable_source_highlight=no ;;
1205 *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
1207 [enable_source_highlight=auto])
1209 if test "${enable_source_highlight}" != "no"; then
1210 AC_MSG_CHECKING([for the source-highlight library])
1211 if test "${pkg_config_prog_path}" = "missing"; then
1212 AC_MSG_RESULT([no - pkg-config not found])
1213 if test "${enable_source_highlight}" = "yes"; then
1214 AC_MSG_ERROR([pkg-config was not found in your system])
1217 if ${pkg_config_prog_path} --exists source-highlight; then
1220 AC_MSG_ERROR([source highlight is incompatible with -static-libstdc++; dnl
1221 either use --disable-source-highlight or dnl
1222 --without-static-standard-libraries])
1226 srchigh_pkg_cflags=`${pkg_config_prog_path} --cflags source-highlight`
1227 srchigh_pkg_libs=`${pkg_config_prog_path} --libs source-highlight`
1229 # Now that we have found a source-highlight library, check if we can use
1230 # it. In particular, we're trying to detect the situation that the
1231 # library is using the new libstdc++ library abi ( see
1232 # https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html )
1233 # while the compiler being used to compile gdb is using the old abi.
1234 # Such a situation will result in an undefined reference to
1235 # srchilite::SourceHighlight::SourceHighlight(std::string const&).
1236 # This situation can occur for instance when using a source highlight
1237 # library compiled with g++ 7.5.0 while building gdb with g++ 4.8.5.
1239 save_CXXFLAGS="$CXXFLAGS"
1241 CXXFLAGS="$CXXFLAGS $srchigh_pkg_cflags"
1242 LIBS="$LIBS $srchigh_pkg_libs"
1245 [#include <srchilite/sourcehighlight.h>],
1246 [std::string outlang = "esc.outlang";
1247 new srchilite::SourceHighlight (outlang);]
1249 [have_usable_source_highlight=yes],
1250 [have_usable_source_highlight=no]
1252 CXXFLAGS="$save_CXXFLAGS"
1256 if test "${have_usable_source_highlight}" = "yes"; then
1257 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1258 [Define to 1 if the source-highlight library is available])
1259 AC_MSG_RESULT([yes])
1260 SRCHIGH_CFLAGS="$srchigh_pkg_cflags"
1261 SRCHIGH_LIBS="$srchigh_pkg_libs"
1264 if test "${enable_source_highlight}" = "yes"; then
1265 AC_MSG_ERROR([source-highlight in your system could not be used])
1270 if test "${enable_source_highlight}" = "yes"; then
1271 AC_MSG_ERROR([source-highlight was not found in your system])
1276 AC_SUBST(SRCHIGH_LIBS)
1277 AC_SUBST(SRCHIGH_CFLAGS)
1279 # ------------------------- #
1280 # Checks for header files. #
1281 # ------------------------- #
1284 # elf_hp.h is for HP/UX 64-bit shared library support.
1285 AC_CHECK_HEADERS([nlist.h machine/reg.h \
1287 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1288 sys/procctl.h sys/resource.h sys/ptrace.h ptrace.h \
1289 sys/reg.h sys/debugreg.h \
1290 termios.h elf_hp.h])
1291 AC_CHECK_HEADERS(sys/user.h, [], [],
1292 [#if HAVE_SYS_PARAM_H
1293 # include <sys/param.h>
1297 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1298 AC_CHECK_HEADERS(term.h, [], [],
1300 # include <curses.h>
1304 AC_CHECK_HEADERS([sys/socket.h])
1305 AC_CHECK_HEADERS([ws2tcpip.h])
1306 AC_CHECK_HEADERS([execinfo.h])
1308 # ------------------------- #
1309 # Checks for declarations. #
1310 # ------------------------- #
1314 AC_CHECK_DECLS([snprintf])
1317 # ------------------ #
1318 # Checks for types. #
1319 # ------------------ #
1321 AC_CHECK_TYPES(socklen_t, [], [],
1322 [#include <sys/types.h>
1323 #if HAVE_SYS_SOCKET_H
1324 # include <sys/socket.h>
1325 #elif HAVE_WS2TCPIP_H
1326 # include <ws2tcpip.h>
1330 # ------------------------------------- #
1331 # Checks for compiler characteristics. #
1332 # ------------------------------------- #
1338 # ------------------------------ #
1339 # Checks for library functions. #
1340 # ------------------------------ #
1342 AC_CHECK_FUNCS([getuid getgid \
1343 pipe pread pread64 pwrite resize_term \
1345 sigaction sigsetmask socketpair \
1346 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1347 setrlimit getrlimit posix_madvise waitpid \
1348 use_default_colors])
1352 # Check the return and argument types of ptrace.
1355 dnl AC_FUNC_SETPGRP does not work when cross compiling
1356 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1357 if test "$cross_compiling" = no; then
1361 [whether setpgrp takes no argument],
1362 [ac_cv_func_setpgrp_void],
1365 [#include <unistd.h>],
1366 [if (setpgrp(1,1) == -1)
1371 [ac_cv_func_setpgrp_void=no],
1372 [ac_cv_func_setpgrp_void=yes]
1375 if test "$ac_cv_func_setpgrp_void" = yes; then
1376 AC_DEFINE(SETPGRP_VOID, 1)
1380 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1381 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1382 [#include <sys/param.h>
1383 #include <sys/proc.h>
1386 # See if <sys/lwp.h> defines `struct lwp`.
1389 [gdb_cv_struct_lwp],
1392 [#include <sys/param.h>
1394 #include <sys/lwp.h>],
1397 [gdb_cv_struct_lwp=yes],
1398 [gdb_cv_struct_lwp=no]
1401 if test "$gdb_cv_struct_lwp" = yes; then
1402 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1403 [Define to 1 if your system has struct lwp.])
1406 # See if <machine/reg.h> degines `struct reg'.
1408 [for struct reg in machine/reg.h],
1409 [gdb_cv_struct_reg],
1412 [#include <sys/types.h>
1413 #include <machine/reg.h>],
1416 [gdb_cv_struct_reg=yes],
1417 [gdb_cv_struct_reg=no]
1420 if test "$gdb_cv_struct_reg" = yes; then
1421 AC_DEFINE(HAVE_STRUCT_REG, 1,
1422 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1425 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1426 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1427 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1428 [#include <sys/types.h>
1429 #include <machine/reg.h>])
1431 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1432 AC_MSG_CHECKING(for PTRACE_GETREGS)
1434 [gdb_cv_have_ptrace_getregs],
1436 [AC_LANG_PROGRAM([#include <sys/ptrace.h>], [PTRACE_GETREGS;])],
1437 [gdb_cv_have_ptrace_getregs=yes],
1438 [gdb_cv_have_ptrace_getregs=no]
1441 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1442 if test "$gdb_cv_have_ptrace_getregs" = yes; then
1443 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1444 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1447 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1448 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1450 [gdb_cv_have_ptrace_getfpxregs],
1452 [AC_LANG_PROGRAM([#include <sys/ptrace.h>], [PTRACE_GETFPXREGS;])],
1453 [gdb_cv_have_ptrace_getfpxregs=yes],
1454 [gdb_cv_have_ptrace_getfpxregs=no]
1457 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1458 if test "$gdb_cv_have_ptrace_getfpxregs" = yes; then
1459 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1460 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1463 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1464 AC_MSG_CHECKING(for PT_GETDBREGS)
1466 [gdb_cv_have_pt_getdbregs],
1469 [#include <sys/types.h>
1470 #include <sys/ptrace.h>],
1473 [gdb_cv_have_pt_getdbregs=yes],
1474 [gdb_cv_have_pt_getdbregs=no]
1477 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1478 if test "$gdb_cv_have_pt_getdbregs" = yes; then
1479 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1480 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1483 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1484 # Older FreeBSD versions don't have the pl_tdname member of
1485 # `struct ptrace_lwpinfo'.
1486 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1487 [#include <sys/ptrace.h>])
1489 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1490 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1492 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1493 [#include <sys/ptrace.h>])
1495 # Check if the compiler supports the `long long' type.
1497 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1498 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1499 [[extern long long foo;]],
1500 [[switch (foo & 2) { case 0: return 1; }]])],
1501 gdb_cv_c_long_long=yes,
1502 gdb_cv_c_long_long=no)])
1503 if test "$gdb_cv_c_long_long" != yes; then
1504 # libdecnumber requires long long.
1505 AC_MSG_ERROR([Compiler must support long long for GDB.])
1508 # Check if the compiler and runtime support printing decfloats.
1510 AC_CACHE_CHECK([for decfloat support in printf],
1511 gdb_cv_printf_has_decfloat,
1512 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1514 _Decimal32 d32 = 1.2345df;
1515 _Decimal64 d64 = 1.2345dd;
1516 _Decimal128 d128 = 1.2345dl;
1517 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1518 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1519 gdb_cv_printf_has_decfloat=yes,
1520 gdb_cv_printf_has_decfloat=no,
1521 gdb_cv_printf_has_decfloat=no)])
1522 if test "$gdb_cv_printf_has_decfloat" = yes; then
1523 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1524 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1527 # Check if the compiler supports the `long double' type. We can't use
1528 # AC_C_LONG_DOUBLE because that one does additional checks on the
1529 # constants defined in <float.h> that fail on some systems,
1530 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1532 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1533 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1534 gdb_cv_c_long_double=yes,
1535 gdb_cv_c_long_double=no)])
1536 if test "$gdb_cv_c_long_double" = yes; then
1537 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1538 [Define to 1 if the compiler supports long double.])
1541 # Check if the compiler and runtime support printing long doubles.
1543 AC_CACHE_CHECK([for long double support in printf],
1544 gdb_cv_printf_has_long_double,
1545 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1547 long double f = 3.141592653;
1548 sprintf (buf, "%Lg", f);
1549 return (strncmp ("3.14159", buf, 7));]])],
1550 gdb_cv_printf_has_long_double=yes,
1551 gdb_cv_printf_has_long_double=no,
1552 gdb_cv_printf_has_long_double=no)])
1553 if test "$gdb_cv_printf_has_long_double" = yes; then
1554 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1555 [Define to 1 if the "%Lg" format works to print long doubles.])
1558 # Check if the compiler and runtime support scanning long doubles.
1560 AC_CACHE_CHECK([for long double support in scanf],
1561 gdb_cv_scanf_has_long_double,
1562 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1563 [[#include <stdio.h>]],
1564 [[char *buf = "3.141592653";
1566 sscanf (buf, "%Lg", &f);
1567 return !(f > 3.14159 && f < 3.14160);]])],
1568 gdb_cv_scanf_has_long_double=yes,
1569 gdb_cv_scanf_has_long_double=no,
1570 gdb_cv_scanf_has_long_double=no)])
1571 if test "$gdb_cv_scanf_has_long_double" = yes; then
1572 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1573 [Define to 1 if the "%Lg" format works to scan long doubles.])
1579 [for -bbigtoc option], [gdb_cv_bigtoc],
1580 [SAVE_LDFLAGS=$LDFLAGS
1583 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1584 *) gdb_cv_bigtoc=-bbigtoc ;;
1587 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1589 [AC_LANG_PROGRAM([], [int i;])],
1593 LDFLAGS="${SAVE_LDFLAGS}"]
1595 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1599 AC_MSG_CHECKING(for the dynamic export flag)
1601 if test "${gdb_native}" = yes; then
1602 # The dynamically loaded libthread_db needs access to symbols in the gdb
1603 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1604 # may not be supported there.
1605 old_LDFLAGS="$LDFLAGS"
1606 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1607 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1608 LDFLAGS="$LDFLAGS $RDYNAMIC"
1609 if test "${have_libpython}" = no; then
1611 [AC_LANG_PROGRAM([], [])],
1612 [dynamic_list=true],
1616 # Workaround http://bugs.python.org/issue4434 where static
1617 # libpythonX.Y.a would get its symbols required for
1618 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1619 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1621 # Note the workaround for Python
1622 # http://bugs.python.org/issue10112 earlier has removed
1623 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1624 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1626 old_CFLAGS="$CFLAGS"
1627 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1629 LIBS="$LIBS $PYTHON_LIBS"
1630 old_CPPFLAGS="$CPPFLAGS"
1631 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1634 [#include "Python.h"],
1637 err = PyRun_SimpleString ("import ctypes\n");
1639 return err == 0 ? 0 : 1;])],
1640 [dynamic_list=true], [], [true])
1642 CFLAGS="$old_CFLAGS"
1643 CPPFLAGS="$old_CPPFLAGS"
1645 LDFLAGS="$old_LDFLAGS"
1647 if $dynamic_list; then
1648 found="-Wl,--dynamic-list"
1649 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1652 RDYNAMIC="-rdynamic"
1655 AC_MSG_RESULT($found)
1658 [whether execinfo.h backtrace is available],
1659 gdb_cv_execinfo_backtrace,
1663 #include <execinfo.h>
1668 f = backtrace (b, 2);
1669 backtrace_symbols_fd (b, f, 2);
1671 [gdb_cv_execinfo_backtrace=yes],
1672 [gdb_cv_execinfo_backtrace=no])])
1673 if test "$gdb_cv_execinfo_backtrace" = yes; then
1674 AC_DEFINE(HAVE_EXECINFO_BACKTRACE, 1,
1675 [Define to 1 if execinfo.h backtrace functions are available.])
1678 dnl For certain native configurations, we need to check whether thread
1679 dnl support can be built in or not.
1681 dnl Note that we only want this if we are both native (host == target),
1682 dnl and not doing a canadian cross build (build == host).
1684 if test "${build}" = "${host}" -a "${host}" = "${target}" ; then
1687 AC_MSG_CHECKING(for AiX thread debugging library)
1689 [gdb_cv_have_aix_thread_debug],
1692 [#include <sys/pthdebug.h>],
1693 [#ifndef PTHDB_VERSION_3
1697 [gdb_cv_have_aix_thread_debug=yes],
1698 [gdb_cv_have_aix_thread_debug=no]
1701 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1702 if test "$gdb_cv_have_aix_thread_debug" = yes; then
1703 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1704 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1705 LIBS="$LIBS -lpthdebug"
1707 # Older versions of AIX do not provide the declaration for
1708 # the getthrds function (it appears that it was introduced
1710 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1714 AC_SUBST(CONFIG_LDFLAGS)
1717 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1718 dnl other error codes.
1719 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1721 [whether <thread_db.h> has TD_NOTALLOC],
1722 [gdb_cv_thread_db_h_has_td_notalloc],
1725 [#include <thread_db.h>],
1726 [int i = TD_NOTALLOC;]
1728 [gdb_cv_thread_db_h_has_td_notalloc=yes],
1729 [gdb_cv_thread_db_h_has_td_notalloc=no]
1734 [whether <thread_db.h> has TD_VERSION],
1735 [gdb_cv_thread_db_h_has_td_version],
1738 [#include <thread_db.h>],
1739 [int i = TD_VERSION;]
1741 [gdb_cv_thread_db_h_has_td_version=yes],
1742 [gdb_cv_thread_db_h_has_td_version=no]
1747 [whether <thread_db.h> has TD_NOTLS],
1748 [gdb_cv_thread_db_h_has_td_notls],
1751 [#include <thread_db.h>],
1754 [gdb_cv_thread_db_h_has_td_notls=yes],
1755 [gdb_cv_thread_db_h_has_td_notls=no]
1759 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1760 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1761 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1763 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1764 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1765 [Define if <thread_db.h> has the TD_VERSION error code.])
1767 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1768 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1769 [Define if <thread_db.h> has the TD_NOTLS error code.])
1772 dnl Set the host's .gdbinit filename.
1781 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1783 dnl Set the host's .gdbearlyinit filename
1784 AC_DEFINE_UNQUOTED(GDBEARLYINIT,".gdbearlyinit",[The .gdbearlyinit filename.])
1786 dnl Handle optional features that can be enabled.
1788 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1789 # except that the argument to --with-sysroot is optional.
1790 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1791 if test "x$with_sysroot" = xyes; then
1792 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1794 AC_ARG_WITH(sysroot,
1795 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1796 [search for usr/lib et al within DIR]),
1797 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1798 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1799 [search for usr/lib et al within DIR])
1800 AC_SUBST(TARGET_SYSTEM_ROOT)
1801 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1803 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1804 [automatically load a system-wide gdbinit file],
1806 GDB_AC_WITH_DIR(SYSTEM_GDBINIT_DIR, system-gdbinit-dir,
1807 [automatically load system-wide gdbinit files from this directory],
1810 AM_GDB_COMPILER_TYPE
1814 # In the Cygwin environment, we need some additional flags.
1815 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1816 [AC_EGREP_CPP(^lose$, [
1817 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1819 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1822 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1823 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1825 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1826 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1827 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1828 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1830 AC_SUBST(SER_HARDWIRE)
1832 # libreadline needs libuser32.a in a cygwin environment
1834 if test x"$gdb_cv_os_cygwin" = xyes; then
1835 WIN32LIBS="-luser32"
1837 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1842 # The ser-tcp.c module requires sockets.
1843 # Note that WIN32APILIBS is set by GDB_AC_COMMON.
1844 WIN32LIBS="$WIN32LIBS $WIN32APILIBS"
1846 # Add ELF support to GDB, but only if BFD includes ELF support.
1847 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1848 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1849 if test "$gdb_cv_var_elf" = yes; then
1850 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o \
1851 gcore-elf.o elf-none-tdep.o"
1852 AC_DEFINE(HAVE_ELF, 1,
1853 [Define if ELF support should be included.])
1854 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1855 if test "$plugins" = "yes"; then
1856 AC_SEARCH_LIBS(dlopen, dl)
1860 # Add macho support to GDB, but only if BFD includes it.
1861 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1862 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1863 if test "$gdb_cv_var_macho" = yes; then
1864 CONFIG_OBS="$CONFIG_OBS machoread.o"
1867 # Add any host-specific objects to GDB.
1868 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1870 # If building on ELF, look for lzma support for embedded compressed debug info.
1871 if test "$gdb_cv_var_elf" = yes; then
1873 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1874 [], [with_lzma=auto])
1875 AC_MSG_CHECKING([whether to use lzma])
1876 AC_MSG_RESULT([$with_lzma])
1878 if test "${with_lzma}" != no; then
1879 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1880 [lzma_index_iter iter;
1881 lzma_index_iter_init (&iter, 0);
1882 lzma_mf_is_supported (LZMA_MF_HC3);])
1883 if test "$HAVE_LIBLZMA" != yes; then
1884 if test "$with_lzma" = yes; then
1885 AC_MSG_ERROR([missing liblzma for --with-lzma])
1891 LIBGUI="../libgui/src/libgui.a"
1892 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1894 AC_SUBST(GUI_CFLAGS_X)
1898 AC_SUBST(WIN32LDAPP)
1901 *-*-cygwin* | *-*-mingw* )
1910 if test "${enable_gdbtk}" = "yes"; then
1912 # Gdbtk must have an absolute path to srcdir in order to run
1913 # properly when not installed.
1921 # If $no_tk is nonempty, then we can't do Tk, and there is no
1922 # point to doing Tcl.
1925 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1928 # Check for in-tree tcl
1935 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1939 # Find Tcl private headers
1940 if test x"${intree}" = xno; then
1941 CY_AC_TCL_PRIVATE_HEADERS
1942 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1943 TCL_LIBRARY="${TCL_LIB_SPEC}"
1946 # If building tcl in the same src tree, private headers
1947 # are not needed, but we need to be sure to use the right
1949 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1950 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1951 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1953 AC_SUBST(TCL_INCLUDE)
1954 AC_SUBST(TCL_LIBRARY)
1959 # Check for in-tree Tk
1961 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1965 # Find Tk private headers
1966 if test x"${intree}" = xno; then
1967 CY_AC_TK_PRIVATE_HEADERS
1968 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1969 TK_LIBRARY=${TK_LIB_SPEC}
1972 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1973 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1974 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1976 AC_SUBST(TK_INCLUDE)
1977 AC_SUBST(TK_LIBRARY)
1979 AC_SUBST(TK_XINCLUDES)
1981 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1983 # Include some libraries that Tcl and Tk want.
1984 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1985 # Yes, the ordering seems wrong here. But it isn't.
1986 # TK_LIBS is the list of libraries that need to be linked
1987 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1988 # were in LIBS then any link tests after this point would
1989 # try to include things like `$(LIBGUI)', which wouldn't work.
1990 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1992 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1993 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1994 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1995 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1996 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1997 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1998 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2000 if test x"$gdb_cv_os_cygwin" = xyes; then
2001 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2002 WIN32LDAPP="-Wl,--subsystem,console"
2003 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2006 AC_CONFIG_SUBDIRS(gdbtk)
2014 AC_SUBST(GDBTK_CFLAGS)
2015 AC_SUBST(GDBTK_SRC_DIR)
2019 # Unlike the sim directory, whether a simulator is linked is controlled by
2020 # presence of a gdb_sim definition in the target configure.tgt entry.
2021 # This code just checks for a few cases where we'd like to ignore those
2022 # definitions, even when they're present in the '.mt' file. These cases
2023 # are when --disable-sim is specified, or if the simulator directory is
2024 # not part of the source tree.
2027 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2028 [echo "enable_sim = $enable_sim";
2029 echo "enableval = ${enableval}";
2030 case "${enableval}" in
2031 yes) ignore_sim=false ;;
2032 no) ignore_sim=true ;;
2033 *) ignore_sim=false ;;
2037 if test ! -d "${srcdir}/../sim"; then
2043 if test "${ignore_sim}" = "false"; then
2044 if test x"${gdb_sim}" != x ; then
2046 SIM_OBS="remote-sim.o"
2048 # Some tdep code should only be compiled in when the ppc sim is
2049 # built. PR sim/13418.
2052 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2060 AC_SUBST(ENABLE_CFLAGS)
2061 AC_SUBST(PROFILE_CFLAGS)
2063 AC_SUBST(CONFIG_OBS)
2064 AC_SUBST(CONFIG_DEPS)
2065 AC_SUBST(CONFIG_SRCS)
2066 AC_SUBST(CONFIG_ALL)
2067 AC_SUBST(CONFIG_CLEAN)
2068 AC_SUBST(CONFIG_INSTALL)
2069 AC_SUBST(CONFIG_UNINSTALL)
2071 # List of host floatformats.
2072 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2073 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2074 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2076 # target_subdir is used by the testsuite to find the target libraries.
2078 if test "${host}" != "${target}"; then
2079 target_subdir="${target_alias}/"
2081 AC_SUBST(target_subdir)
2083 # Import nat definitions.
2084 nat_makefile_frag=/dev/null
2085 if test "${gdb_native}" = "yes"; then
2086 . ${srcdir}/configure.nat
2087 nativefile=$NAT_FILE
2091 AC_SUBST(NATDEPFILES)
2096 AC_SUBST(NAT_GENERATED_FILES)
2097 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2098 AC_SUBST_FILE(nat_makefile_frag)
2100 if test x"${gdb_osabi}" != x ; then
2101 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2102 [Define to the default OS ABI for this configuration.])
2105 # Setup possible use of libbacktrace.
2106 AC_ARG_ENABLE([libbacktrace],
2107 [AS_HELP_STRING([--enable-libbacktrace],
2108 [use libbacktrace to write a backtrace after a fatal signal.])],
2109 [case "${enableval}" in
2110 yes) enable_libbacktrace=yes ;;
2111 no) enable_libbacktrace=no ;;
2112 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libbacktrace option) ;;
2114 enable_libbacktrace=yes)
2116 if test "${enable_libbacktrace}" == "yes"; then
2117 LIBBACKTRACE_INC="-I$srcdir/../libbacktrace/ -I../libbacktrace/"
2118 LIBBACKTRACE_LIB=../libbacktrace/.libs/libbacktrace.a
2119 AC_DEFINE(HAVE_LIBBACKTRACE, 1, [Define if libbacktrace is being used.])
2125 AC_SUBST(LIBBACKTRACE_INC)
2126 AC_SUBST(LIBBACKTRACE_LIB)
2128 # Check for babeltrace and babeltrace-ctf
2129 AC_ARG_WITH(babeltrace,
2130 AS_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2131 [], [with_babeltrace=auto])
2132 AC_MSG_CHECKING([whether to use babeltrace])
2133 AC_MSG_RESULT([$with_babeltrace])
2135 if test "x$with_babeltrace" = "xno"; then
2136 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2138 # Append -Werror to CFLAGS so that configure can catch the warning
2139 # "assignment from incompatible pointer type", which is related to
2140 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2141 # in GDB, while babeltrace 1.0.3 is broken.
2142 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2143 # safe to save and restore CFLAGS here.
2144 saved_CFLAGS=$CFLAGS
2145 CFLAGS="$CFLAGS -Werror"
2146 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2147 [#include <babeltrace/babeltrace.h>
2148 #include <babeltrace/ctf/events.h>
2149 #include <babeltrace/ctf/iterator.h>],
2150 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2151 struct bt_ctf_event *event = NULL;
2152 const struct bt_definition *scope;
2154 pos->type = BT_SEEK_BEGIN;
2155 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2156 scope = bt_ctf_get_top_level_scope (event,
2157 BT_STREAM_EVENT_HEADER);
2158 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2160 CFLAGS=$saved_CFLAGS
2162 if test "$HAVE_LIBBABELTRACE" != yes; then
2163 if test "$with_babeltrace" = yes; then
2164 AC_MSG_ERROR([babeltrace is missing or unusable])
2166 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2173 AS_HELP_STRING([--with-xxhash], [use libxxhash for hashing (faster) (auto/yes/no)]),
2174 [], [with_xxhash=auto])
2176 GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections])
2177 if test x${enable_static} = xno; then
2178 LIBCTF="-Wl,--rpath,../libctf/.libs ../libctf/.libs/libctf.so"
2179 CTF_DEPS="../libctf/.libs/libctf.so"
2181 LIBCTF="../libctf/.libs/libctf.a"
2184 if test "${enable_libctf}" = yes; then
2185 AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections])
2193 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2196 if test "x$with_xxhash" != "xno"; then
2197 AC_LIB_HAVE_LINKFLAGS([xxhash], [],
2198 [#include <xxhash.h>],
2199 [XXH32("foo", 3, 0);
2201 if test "$HAVE_LIBXXHASH" != yes; then
2202 if test "$with_xxhash" = yes; then
2203 AC_MSG_ERROR([xxhash is missing or unusable])
2206 if test "x$with_xxhash" = "xauto"; then
2207 with_xxhash="$HAVE_LIBXXHASH"
2211 AC_MSG_CHECKING([whether to use xxhash])
2212 AC_MSG_RESULT([$with_xxhash])
2216 if test "${nativefile}" != ""; then
2217 case "${nativefile}" in
2218 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2219 * ) GDB_NM_FILE="${nativefile}"
2221 AC_CONFIG_LINKS([nm.h:$GDB_NM_FILE], [echo > stamp-nmh],
2222 [GDB_NM_FILE=$GDB_NM_FILE])
2223 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2226 AC_SUBST(GDB_NM_FILE)
2229 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2230 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2231 if test "x$USE_MAINTAINER_MODE" = xyes; then
2232 if test "${XSLTPROC}" = missing; then
2233 AC_MSG_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2238 dnl Check for exe extension set on certain hosts (e.g. Win32)
2241 dnl Detect the character set used by this host.
2242 dnl At the moment, we just assume it's UTF-8.
2243 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2244 [Define to be a string naming the default host character set.])
2247 CONFIG_OBS="$CONFIG_OBS \$(SELFTESTS_OBS)"
2248 CONFIG_SRCS="$CONFIG_SRCS \$(SELFTESTS_SRCS)"
2251 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2252 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2253 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2254 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile])