1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2021 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 # Enable shared libraries.
157 AC_ARG_ENABLE(shared,
158 AS_HELP_STRING([--enable-shared], [build shared libraries [default=yes]]),,
161 # If we have shared libraries, try to set RPATH_ENVVAR reasonably,
162 # such that we can find the shared libraries in the build tree.
163 if test $enable_shared = no; then
164 # The variable `RPATH_ENVVAR' itself is not likely to be used on any
166 RPATH_ENVVAR=RPATH_ENVVAR
168 # The variable `LD_LIBRARY_PATH' is used on most platforms.
169 RPATH_ENVVAR=LD_LIBRARY_PATH
170 # The following exceptions are taken from Libtool 1.4.3.
173 if test $host_cpu != ia64; then
177 RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
180 AC_SUBST(RPATH_ENVVAR)
182 # Check whether to support alternative target configurations
183 AC_ARG_ENABLE(targets,
184 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
185 [case "${enableval}" in
186 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
188 no) enable_targets= ;;
189 *) enable_targets=$enableval ;;
192 # Check whether to enable 64-bit support on 32-bit hosts
193 AC_ARG_ENABLE(64-bit-bfd,
194 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
195 [case "${enableval}" in
198 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
199 esac],[want64=false])dnl
201 # Provide defaults for some variables set by the per-host and per-target
203 gdb_host_obs=posix-hdep.o
205 if test "${target}" = "${host}"; then
211 . $srcdir/configure.host
213 # Accumulate some settings from configure.tgt over all enabled targets
217 HAVE_NATIVE_GCORE_TARGET=
219 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
221 if test "$targ_alias" = "all"; then
224 # Canonicalize the secondary target names.
225 result=`$ac_config_sub $targ_alias 2>/dev/null`
226 if test -n "$result"; then
232 . ${srcdir}/configure.tgt
234 AS_IF([test -z "${gdb_target_obs}"],
235 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
237 # Target-specific object files
238 for i in ${gdb_target_obs}; do
239 case " $TARGET_OBS " in
242 TARGET_OBS="$TARGET_OBS ${i}"
247 # Check whether this target needs 64-bit CORE_ADDR
248 if test x${want64} = xfalse; then
249 . ${srcdir}/../bfd/config.bfd
252 # Check whether this target is native and supports gcore.
253 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
254 && $gdb_have_gcore; then
255 HAVE_NATIVE_GCORE_TARGET=1
260 if test x${all_targets} = xtrue; then
262 # We want all 64-bit targets if we either:
263 # - run on a 64-bit host or
264 # - already require 64-bit support for some other target or
265 # - the --enable-64-bit-bfd option was supplied
266 # Otherwise we only support all 32-bit targets.
268 # NOTE: This test must be in sync with the corresponding
271 if test x${want64} = xfalse; then
272 AC_CHECK_SIZEOF(long)
273 if test "x${ac_cv_sizeof_long}" = "x8"; then
277 if test x${want64} = xtrue; then
278 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
280 TARGET_OBS='$(ALL_TARGET_OBS)'
285 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
287 # For other settings, only the main target counts.
290 targ=$target; . ${srcdir}/configure.tgt
292 # Fetch the default architecture and default target vector from BFD.
293 targ=$target; . $srcdir/../bfd/config.bfd
295 # We only want the first architecture, so strip off the others if
296 # there is more than one.
297 targ_archs=`echo $targ_archs | sed 's/ .*//'`
299 if test "x$targ_archs" != x; then
300 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
301 [Define to BFD's default architecture. ])
303 if test "x$targ_defvec" != x; then
304 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
305 [Define to BFD's default target vector. ])
310 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
315 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
318 if test x"$enable_gdbmi" = xyes; then
319 if test -d "$srcdir/mi"; then
320 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
321 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
322 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
323 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
329 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
334 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
335 esac],enable_tui=auto)
339 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
344 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
346 [if test -d "$srcdir/gdbtk"; then
351 # We unconditionally disable gdbtk tests on selected platforms.
354 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
358 # Handle optional debuginfod support
361 # Libunwind support for ia64.
362 AC_ARG_WITH(libunwind-ia64,
363 AS_HELP_STRING([--with-libunwind-ia64],
364 [use libunwind frame unwinding for ia64 targets]),,
365 [with_libunwind_ia64=auto])
367 # Backward compatibility option.
368 if test "${with_libunwind+set}" = set; then
369 if test x"$with_libunwind_ia64" != xauto; then
371 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
373 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
374 with_libunwind_ia64="$with_libunwind"
377 case "$with_libunwind_ia64" in
381 AC_CHECK_HEADERS(libunwind-ia64.h)
382 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
386 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
390 if test x"$with_libunwind_ia64" = xyes; then
391 AC_CHECK_HEADERS(libunwind-ia64.h)
392 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
393 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
395 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
396 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
397 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
401 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
404 if test "$opt_curses" = "yes"; then
409 AC_ARG_ENABLE(profiling,
410 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
415 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
417 [enable_profiling=no])
419 AC_CHECK_FUNCS(monstartup _mcleanup)
426 extern char _etext;],
429 [ac_cv_var__etext=yes],
430 [ac_cv_var__etext=no]
433 if test "$ac_cv_var__etext" = yes; then
434 AC_DEFINE(HAVE__ETEXT, 1,
435 [Define to 1 if your system has the _etext variable. ])
446 [ac_cv_var_etext=yes],
450 if test "$ac_cv_var_etext" = yes; then
451 AC_DEFINE(HAVE_ETEXT, 1,
452 [Define to 1 if your system has the etext variable. ])
454 if test "$enable_profiling" = yes ; then
455 if test "$ac_cv_func_monstartup" = no || test "$ac_cv_func__mcleanup" = no; then
456 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
460 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
463 [whether $CC supports -pg],
464 [ac_cv_cc_supports_pg],
466 [AC_LANG_PROGRAM([], [int x;])],
467 [ac_cv_cc_supports_pg=yes],
468 [ac_cv_cc_supports_pg=no]
472 if test "$ac_cv_cc_supports_pg" = no; then
473 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
480 AC_ARG_ENABLE([codesign],
481 AS_HELP_STRING([--enable-codesign=CERT],
482 [sign gdb with 'codesign -s CERT']),
483 [CODESIGN_CERT=$enableval])
484 AC_SUBST([CODESIGN_CERT])
486 ACX_PKGVERSION([GDB])
487 ACX_BUGURL([https://www.gnu.org/software/gdb/bugs/])
488 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
489 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
491 # --------------------- #
492 # Checks for programs. #
493 # --------------------- #
501 AC_CHECK_TOOL(AR, ar)
502 AC_CHECK_TOOL(DLLTOOL, dlltool)
503 AC_CHECK_TOOL(WINDRES, windres)
507 # Needed for GNU Hurd hosts.
508 AC_CHECK_TOOL(MIG, mig)
509 if test x"$MIG" = x; then
510 AC_MSG_ERROR([MIG not found but required for $host hosts])
515 # ---------------------- #
516 # Checks for libraries. #
517 # ---------------------- #
519 # We might need to link with -lm; most simulators need it.
520 AC_CHECK_LIB(m, main)
522 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
523 AC_SEARCH_LIBS(gethostbyname, nsl)
525 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
526 AC_SEARCH_LIBS(socketpair, socket)
528 # Link in zlib if we can. This allows us to read compressed debug sections.
533 # GDB may fork/exec the iconv program to get the list of supported character
534 # sets. Allow the user to specify where to find it.
535 # There are several factors affecting the choice of option name:
536 # - There is already --with-libiconv-prefix but we can't use it, it specifies
537 # the build-time location of libiconv files.
538 # - The program we need to find is iconv, which comes with glibc. The user
539 # doesn't necessarily have libiconv installed. Therefore naming this
540 # --with-libiconv-foo feels wrong.
541 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
542 # defined to work on directories not files (though it really doesn't know
544 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
545 # with --with-libiconv-prefix.
546 # Putting these together is why the option name is --with-iconv-bin.
548 AC_ARG_WITH(iconv-bin,
549 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
550 [iconv_bin="${withval}"
551 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
552 [Path of directory of iconv program.])
553 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
556 # For the TUI, we need enhanced curses functionality.
557 if test x"$enable_tui" != xno; then
562 if test x"$prefer_curses" = xyes; then
563 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
564 # curses library because the latter might not provide all the
565 # functionality we need. However, this leads to problems on systems
566 # where the linker searches /usr/local/lib, but the compiler doesn't
567 # search /usr/local/include, if ncurses is installed in /usr/local. A
568 # default installation of ncurses on alpha*-dec-osf* will lead to such
570 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
572 if test "$ac_cv_search_waddstr" != no; then
577 # Check whether we should enable the TUI, but only do so if we really
579 if test x"$enable_tui" != xno; then
580 if test -d "$srcdir/tui"; then
581 if test "$curses_found" != no; then
582 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
583 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
584 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
585 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
587 if test x"$enable_tui" = xyes; then
588 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
590 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
596 # Since GDB uses Readline, we need termcap functionality. In many
597 # cases this will be provided by the curses library, but some systems
598 # have a separate termcap library, or no curses library at all.
602 if test -d "$srcdir/libtermcap"; then
603 LIBS="../libtermcap/libtermcap.a $LIBS"
604 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
607 ac_cv_search_tgetent="none required"
611 # These are the libraries checked by Readline.
612 AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
614 if test "$ac_cv_search_tgetent" = no; then
615 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
618 AC_ARG_WITH([system-readline],
619 [AS_HELP_STRING([--with-system-readline],
620 [use installed readline library])])
622 if test "$with_system_readline" = yes; then
624 [whether system readline is new enough],
625 [gdb_cv_readline_ok],
629 #include <readline/readline.h>],
630 [#if RL_VERSION_MAJOR < 7
631 # error "readline version 7 required"
634 [gdb_cv_readline_ok=yes],
635 [gdb_cv_readline_ok=no]
638 if test "$gdb_cv_readline_ok" != yes; then
639 AC_MSG_ERROR([system readline is not new enough])
645 READLINE_TEXI_INCFLAG=
647 READLINE='$(READLINE_DIR)/libreadline.a'
648 READLINE_DEPS='$(READLINE)'
649 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
650 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
653 AC_SUBST(READLINE_DEPS)
654 AC_SUBST(READLINE_CFLAGS)
655 AC_SUBST(READLINE_TEXI_INCFLAG)
657 # Generate jit-reader.h
659 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
662 AC_CHECK_SIZEOF(unsigned long long)
663 AC_CHECK_SIZEOF(unsigned long)
664 AC_CHECK_SIZEOF(unsigned __int128)
666 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
667 TARGET_PTR="unsigned long"
668 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
669 TARGET_PTR="unsigned long long"
670 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
671 TARGET_PTR="unsigned __int128"
673 TARGET_PTR="unsigned long"
677 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
679 AC_SEARCH_LIBS(dlopen, dl)
681 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
682 [directory to load the JIT readers from],
686 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
687 [], [with_expat=auto])
688 AC_MSG_CHECKING([whether to use expat])
689 AC_MSG_RESULT([$with_expat])
691 if test "${with_expat}" = no; then
692 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
695 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
696 [XML_Parser p = XML_ParserCreate (0);])
697 if test "$HAVE_LIBEXPAT" != yes; then
698 if test "$with_expat" = yes; then
699 AC_MSG_ERROR([expat is missing or unusable])
701 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
705 LIBS="$LIBS $LIBEXPAT"
706 AC_CHECK_FUNCS(XML_StopParser)
711 # Verify that we have a usable GMP library.
712 AC_LIB_HAVE_LINKFLAGS([gmp], [], [#include <gmp.h>],
715 if test "$HAVE_LIBGMP" != yes; then
716 AC_MSG_ERROR([GMP is missing or unusable])
720 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
721 [], [with_mpfr=auto])
722 AC_MSG_CHECKING([whether to use MPFR])
723 AC_MSG_RESULT([$with_mpfr])
725 if test "${with_mpfr}" = no; then
726 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
729 AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
730 [mpfr_exp_t exp; mpfr_t x;
731 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
732 if test "$HAVE_LIBMPFR" != yes; then
733 if test "$with_mpfr" = yes; then
734 AC_MSG_ERROR([MPFR is missing or unusable])
736 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
741 # --------------------- #
742 # Check for libpython. #
743 # --------------------- #
745 dnl Utility to simplify finding libpython.
746 dnl $1 = the shell variable to assign the result to
747 dnl If libpython is found we store $version here.
748 dnl $2 = additional flags to add to CPPFLAGS
749 dnl $3 = additional flags to add to LIBS
751 AC_DEFUN([AC_TRY_LIBPYTHON],
753 define([have_libpython_var],$1)
756 AC_MSG_CHECKING([for python])
757 save_CPPFLAGS=$CPPFLAGS
759 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
760 LIBS="$new_LIBS $LIBS"
761 found_usable_python=no
762 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
763 [[Py_Initialize ();]])],
764 [have_libpython_var=yes
765 found_usable_python=yes
766 PYTHON_CPPFLAGS=$new_CPPFLAGS
767 PYTHON_LIBS=$new_LIBS])
768 CPPFLAGS=$save_CPPFLAGS
770 AC_MSG_RESULT([${found_usable_python}])
773 dnl There are several different values for --with-python:
775 dnl no - Don't include python support.
776 dnl yes - Include python support, error if it's missing.
777 dnl If we find python in $PATH, use it to fetch configure options,
778 dnl otherwise assume the compiler can find it with no help from us.
779 dnl Python 2.7 and 2.6 are tried in turn.
780 dnl auto - Same as "yes", but if python is missing from the system,
781 dnl fall back to "no".
782 dnl /path/to/python/exec-prefix -
783 dnl Use the python located in this directory.
784 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
785 dnl the compilation parameters. Otherwise use
786 dnl -I/path/to/python/exec-prefix/include,
787 dnl -L/path/to/python/exec-prefix/lib.
788 dnl Python 2.7 and 2.6 are tried in turn.
789 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
790 dnl but is deprecated.
791 dnl /path/to/python/executable -
792 dnl Run python-config.py with this version of python to fetch the
793 dnl compilation parameters.
794 dnl NOTE: This needn't be the real python executable.
795 dnl In a cross-compilation scenario (build != host), this could be
796 dnl a shell script that provides what python-config.py provides for
797 dnl --ldflags, --includes, --exec-prefix.
798 dnl python-executable -
799 dnl Find python-executable in $PATH, and then handle the same as
800 dnl /path/to/python/executable.
802 dnl If a python program is specified, it is used to run python-config.py and
803 dnl is passed --ldflags, --includes, --exec-prefix.
806 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
807 [], [with_python=auto])
808 AC_MSG_CHECKING([whether to use python])
809 AC_MSG_RESULT([$with_python])
811 if test "${with_python}" = no; then
812 AC_MSG_WARN([python support disabled; some features may be unavailable.])
815 case "${with_python}" in
816 [[\\/]]* | ?:[[\\/]]*)
817 if test -d "${with_python}"; then
818 # Assume the python binary is ${with_python}/bin/python.
819 python_prog="${with_python}/bin/python"
821 # If python does not exit ${with_python}/bin, then try in
822 # ${with_python}. On Windows/MinGW, this is where the Python
824 if test ! -x "${python_prog}"; then
825 python_prog="${with_python}/python"
828 if test ! -x "${python_prog}"; then
829 # Fall back to gdb 7.0/7.1 behaviour.
831 python_prefix=${with_python}
833 elif test -x "${with_python}"; then
834 # While we can't run python compiled for $host (unless host == build),
835 # the user could write a script that provides the needed information,
836 # so we support that.
837 python_prog=${with_python}
840 AC_MSG_ERROR(invalid value for --with-python)
844 # Disallow --with-python=foo/bar.
845 AC_MSG_ERROR(invalid value for --with-python)
848 # The user has either specified auto, yes, or the name of the python
849 # program assumed to be in $PATH.
851 case "${with_python}" in
853 if test "${build}" = "${host}"; then
854 AC_PATH_PROG(python_prog_path, python, missing)
855 if test "${python_prog_path}" = missing; then
858 python_prog=${python_prog_path}
861 # Not much we can do except assume the cross-compiler will find the
867 # While we can't run python compiled for $host (unless host == build),
868 # the user could write a script that provides the needed information,
869 # so we support that.
870 python_prog="${with_python}"
871 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
872 if test "${python_prog_path}" = missing; then
873 AC_MSG_ERROR(unable to find python program ${python_prog})
879 if test "${python_prog}" != missing; then
880 # We have a python program to use, but it may be too old.
881 # Don't flag an error for --with-python=auto (the default).
882 have_python_config=yes
883 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
884 if test $? != 0; then
885 have_python_config=failed
886 if test "${with_python}" != auto; then
887 AC_MSG_ERROR(failure running python-config --includes)
890 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
891 if test $? != 0; then
892 have_python_config=failed
893 if test "${with_python}" != auto; then
894 AC_MSG_ERROR(failure running python-config --ldflags)
897 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
898 if test $? != 0; then
899 have_python_config=failed
900 if test "${with_python}" != auto; then
901 AC_MSG_ERROR(failure running python-config --exec-prefix)
905 # We do not have a python executable we can use to determine where
906 # to find the Python headers and libs. We cannot guess the include
907 # path from the python_prefix either, because that include path
908 # depends on the Python version. So, there is nothing much we can
909 # do except assume that the compiler will be able to find those files.
912 have_python_config=no
915 # If we have python-config, only try the configuration it provides.
916 # Otherwise fallback on the old way of trying different versions of
920 if test "${have_python_config}" = yes; then
921 AC_TRY_LIBPYTHON(have_libpython,
922 ${python_includes}, ${python_libs})
923 elif test "${have_python_config}" != failed; then
924 if test "${have_libpython}" = no; then
925 AC_TRY_LIBPYTHON(have_libpython,
926 ${python_includes}, "-lpython2.7 ${python_libs}")
928 if test "${have_libpython}" = no; then
929 AC_TRY_LIBPYTHON(have_libpython,
930 ${python_includes}, "-lpython2.6 ${python_libs}")
934 if test "${have_libpython}" = no; then
935 case "${with_python}" in
937 AC_MSG_ERROR([python is missing or unusable])
940 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
943 AC_MSG_ERROR([no usable python found at ${with_python}])
947 if test -n "${python_prefix}"; then
948 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
949 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
950 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
955 dnl Use --with-python-libdir to control where GDB looks for the Python
958 dnl If this is not given then the default will be based on the value
959 dnl passed to --with-python, which is in the python_prefix variable.
960 dnl If the --with-python option wasn't given then the default value in
961 dnl python_prefix is based on running the 'gdb/python/python-config
962 dnl --exec-prefix' script.
963 AC_ARG_WITH(python-libdir,
964 AS_HELP_STRING([--with-python-libdir@<:@=DIR@:>@], [search for python's libraries in DIR]),
966 # If no python libdir is specified then select one based on
967 # python's prefix path.
968 if test -n "${python_prefix}"; then
969 with_python_libdir=${python_prefix}/lib
973 if test "${have_libpython}" != no; then
974 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
975 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
976 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
977 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
978 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
979 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
981 if test -n "${with_python_libdir}"; then
982 AC_DEFINE_UNQUOTED(WITH_PYTHON_LIBDIR, "${with_python_libdir}",
983 [Directory containing Python's standard libraries from --with-python-libdir.])
984 GDB_AC_DEFINE_RELOCATABLE(PYTHON_LIBDIR, [python lib], ${with_python_libdir})
987 # Flags needed to compile Python code (taken from python-config --cflags).
988 # We cannot call python-config directly because it will output whatever was
989 # used when compiling the Python interpreter itself, including flags which
990 # would make the python-related objects be compiled differently from the
991 # rest of GDB (e.g., -O2 and -fPIC).
992 if test "${GCC}" = yes; then
993 tentative_python_cflags="-fno-strict-aliasing -fwrapv"
994 # Python headers recommend -DNDEBUG, but it's unclear if that just
995 # refers to building Python itself. In release mode, though, it
996 # doesn't hurt for the Python code in gdb to follow.
997 $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
1000 if test "x${tentative_python_cflags}" != x; then
1001 AC_MSG_CHECKING(compiler flags for python code)
1002 for flag in ${tentative_python_cflags}; do
1003 # Check that the compiler accepts it
1004 saved_CFLAGS="$CFLAGS"
1005 CFLAGS="$CFLAGS $flag"
1007 [AC_LANG_PROGRAM([], [])],
1008 [PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag"],
1011 CFLAGS="$saved_CFLAGS"
1013 AC_MSG_RESULT(${PYTHON_CFLAGS})
1016 # On x64 Windows, Python's include headers, and pyconfig.h in
1017 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
1018 # version of Windows. Unfortunately, MS_WIN64 is only defined if
1019 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
1020 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
1021 # The issue was reported to the Python community, but still isn't
1022 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1026 if test "${GCC}" = yes; then
1027 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1032 # Even if Python support is not compiled in, we need to have this file
1033 # included so that the "python" command, et.al., still exists.
1034 CONFIG_OBS="$CONFIG_OBS python/python.o"
1035 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1038 # Work around Python http://bugs.python.org/issue10112. See also
1039 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1040 # no effect. Note that the only test after this that uses Python is
1041 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1042 # run without -export-dynamic too.
1043 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1045 AC_SUBST(PYTHON_CFLAGS)
1046 AC_SUBST(PYTHON_CPPFLAGS)
1047 AC_SUBST(PYTHON_LIBS)
1048 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1050 # -------------------- #
1051 # Check for libguile. #
1052 # -------------------- #
1054 dnl Utility to simplify finding libguile.
1055 dnl $1 = pkg-config-program
1056 dnl $2 = space-separate list of guile versions to try
1057 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1058 dnl $4 = the shell variable to assign the result to
1059 dnl If libguile is found we store "yes" here.
1061 AC_DEFUN([AC_TRY_LIBGUILE],
1064 guile_version_list=$2
1066 define([have_libguile_var],$4)
1067 found_usable_guile=checking
1068 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1069 for guile_version in ${guile_version_list}; do
1070 ${pkg_config} --exists ${guile_version} 2>/dev/null
1071 if test $? != 0; then
1074 dnl pkg-config says the package exists, so if we get an error now,
1076 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1077 if test $? != 0; then
1078 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1080 new_LIBS=`${pkg_config} --libs ${guile_version}`
1081 if test $? != 0; then
1082 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1084 dnl If we get this far, great.
1085 found_usable_guile=${guile_version}
1088 if test "${found_usable_guile}" = "checking"; then
1089 if test "${flag_errors}" = "yes"; then
1090 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1092 found_usable_guile=no
1095 dnl One final sanity check.
1096 dnl The user could have said --with-guile=python-2.7.
1097 if test "${found_usable_guile}" != no; then
1098 save_CPPFLAGS=$CPPFLAGS
1100 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1101 LIBS="$LIBS $new_LIBS"
1102 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1103 [[scm_init_guile ();]])],
1104 [have_libguile_var=yes
1105 GUILE_CPPFLAGS=$new_CPPFLAGS
1106 GUILE_LIBS=$new_LIBS],
1107 [found_usable_guile=no])
1108 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1109 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1110 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1111 [Define if Guile supports manual finalization.])
1113 CPPFLAGS=$save_CPPFLAGS
1115 if test "${found_usable_guile}" = no; then
1116 if test "${flag_errors}" = yes; then
1117 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1121 AC_MSG_RESULT([${found_usable_guile}])
1124 dnl There are several different values for --with-guile:
1126 dnl no - Don't include guile support.
1127 dnl yes - Include guile support, error if it's missing.
1128 dnl The pkg-config program must be in $PATH.
1129 dnl auto - Same as "yes", but if guile is missing from the system,
1130 dnl fall back to "no".
1131 dnl guile-version [guile-version-choice-2 ...] -
1132 dnl A space-separated list of guile package versions to try.
1133 dnl These are passed to pkg-config as-is.
1134 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1135 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1136 dnl /path/to/pkg-config -
1137 dnl Use this pkg-config program.
1138 dnl NOTE: This needn't be the "real" pkg-config program.
1139 dnl It could be a shell script. It is invoked as:
1140 dnl pkg-config --exists $version
1141 dnl pkg-config --cflags $version
1142 dnl pkg-config --libs $version
1143 dnl pkg-config --variable guild $version
1144 dnl The script will be called with $version having each value in
1145 dnl $try_guile_versions until --exists indicates success.
1148 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1149 [], [with_guile=auto])
1150 AC_MSG_CHECKING([whether to use guile])
1151 AC_MSG_RESULT([$with_guile])
1153 dnl We check guile with pkg-config.
1154 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1156 try_guile_versions="guile-3.0 guile-2.2 guile-2.0"
1158 case "${with_guile}" in
1160 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1163 if test "${pkg_config_prog_path}" = "missing"; then
1164 AC_MSG_WARN([pkg-config not found, guile support disabled])
1166 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1170 if test "${pkg_config_prog_path}" = "missing"; then
1171 AC_MSG_ERROR([pkg-config not found])
1173 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1175 [[\\/]]* | ?:[[\\/]]*)
1176 if test -x "${with_guile}"; then
1177 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1179 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1183 # Disallow --with=guile="" and --with-guile=foo/bar.
1184 AC_MSG_ERROR([invalid value for --with-guile])
1187 # A space separate list of guile versions to try, in order.
1188 if test "${pkg_config_prog_path}" = "missing"; then
1189 AC_MSG_ERROR([pkg-config not found])
1191 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1195 if test "${have_libguile}" != no; then
1196 dnl Get the name of the 'guild' program.
1197 case "${with_guile}" in
1198 [[\\/]]* | ?:[[\\/]]*)
1199 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1202 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1206 dnl Make sure guild can handle this host.
1207 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1208 dnl If not, disable guile support.
1209 if test "$ac_cv_guild_ok" = no; then
1211 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1215 if test "${have_libguile}" != no; then
1216 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1217 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1218 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1219 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1220 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1221 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1223 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1225 save_CPPFLAGS="$CPPFLAGS"
1227 CPPFLAGS="$GUILE_CPPFLAGS"
1228 AC_CHECK_FUNCS([scm_new_smob])
1230 CPPFLAGS="$save_CPPFLAGS"
1232 # Even if Guile support is not compiled in, we need to have these files
1234 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1235 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1237 AC_SUBST(GUILE_CPPFLAGS)
1238 AC_SUBST(GUILE_LIBS)
1239 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1241 # ---------------------------- #
1242 # Check for source highlight. #
1243 # ---------------------------- #
1248 AC_ARG_ENABLE(source-highlight,
1249 AS_HELP_STRING([--enable-source-highlight],
1250 [enable source-highlight for source listings]),
1251 [case "${enableval}" in
1252 yes) enable_source_highlight=yes ;;
1253 no) enable_source_highlight=no ;;
1254 *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
1256 [enable_source_highlight=auto])
1258 if test "${enable_source_highlight}" != "no"; then
1259 AC_MSG_CHECKING([for the source-highlight library])
1260 if test "${pkg_config_prog_path}" = "missing"; then
1261 AC_MSG_RESULT([no - pkg-config not found])
1262 if test "${enable_source_highlight}" = "yes"; then
1263 AC_MSG_ERROR([pkg-config was not found in your system])
1266 if ${pkg_config_prog_path} --exists source-highlight; then
1269 AC_MSG_ERROR([source highlight is incompatible with -static-libstdc++; dnl
1270 either use --disable-source-highlight or dnl
1271 --without-static-standard-libraries])
1275 SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
1276 SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
1277 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1278 [Define to 1 if the source-highlight library is available])
1279 AC_MSG_RESULT([yes])
1282 if test "${enable_source_highlight}" = "yes"; then
1283 AC_MSG_ERROR([source-highlight was not found in your system])
1288 AC_SUBST(SRCHIGH_LIBS)
1289 AC_SUBST(SRCHIGH_CFLAGS)
1291 # ------------------------- #
1292 # Checks for header files. #
1293 # ------------------------- #
1296 # elf_hp.h is for HP/UX 64-bit shared library support.
1297 AC_CHECK_HEADERS([nlist.h machine/reg.h \
1299 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1300 sys/procctl.h sys/resource.h sys/ptrace.h ptrace.h \
1301 sys/reg.h sys/debugreg.h \
1302 termios.h elf_hp.h])
1303 AC_CHECK_HEADERS(sys/user.h, [], [],
1304 [#if HAVE_SYS_PARAM_H
1305 # include <sys/param.h>
1309 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1310 AC_CHECK_HEADERS(term.h, [], [],
1312 # include <curses.h>
1316 AC_CHECK_HEADERS([sys/socket.h])
1317 AC_CHECK_HEADERS([ws2tcpip.h])
1319 # ------------------------- #
1320 # Checks for declarations. #
1321 # ------------------------- #
1325 AC_CHECK_DECLS([snprintf])
1328 # ------------------ #
1329 # Checks for types. #
1330 # ------------------ #
1332 AC_CHECK_TYPES(socklen_t, [], [],
1333 [#include <sys/types.h>
1334 #if HAVE_SYS_SOCKET_H
1335 # include <sys/socket.h>
1336 #elif HAVE_WS2TCPIP_H
1337 # include <ws2tcpip.h>
1341 # ------------------------------------- #
1342 # Checks for compiler characteristics. #
1343 # ------------------------------------- #
1349 # ------------------------------ #
1350 # Checks for library functions. #
1351 # ------------------------------ #
1353 AC_CHECK_FUNCS([getuid getgid \
1354 pipe pread pread64 pwrite resize_term \
1356 sigaction sigsetmask socketpair \
1357 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1358 setrlimit getrlimit posix_madvise waitpid \
1359 use_default_colors])
1363 # Check the return and argument types of ptrace.
1366 dnl AC_FUNC_SETPGRP does not work when cross compiling
1367 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1368 if test "$cross_compiling" = no; then
1372 [whether setpgrp takes no argument],
1373 [ac_cv_func_setpgrp_void],
1376 [#include <unistd.h>],
1377 [if (setpgrp(1,1) == -1)
1382 [ac_cv_func_setpgrp_void=no],
1383 [ac_cv_func_setpgrp_void=yes]
1386 if test "$ac_cv_func_setpgrp_void" = yes; then
1387 AC_DEFINE(SETPGRP_VOID, 1)
1391 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1392 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1393 [#include <sys/param.h>
1394 #include <sys/proc.h>
1397 # See if <sys/lwp.h> defines `struct lwp`.
1400 [gdb_cv_struct_lwp],
1403 [#include <sys/param.h>
1405 #include <sys/lwp.h>],
1408 [gdb_cv_struct_lwp=yes],
1409 [gdb_cv_struct_lwp=no]
1412 if test "$gdb_cv_struct_lwp" = yes; then
1413 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1414 [Define to 1 if your system has struct lwp.])
1417 # See if <machine/reg.h> degines `struct reg'.
1419 [for struct reg in machine/reg.h],
1420 [gdb_cv_struct_reg],
1423 [#include <sys/types.h>
1424 #include <machine/reg.h>],
1427 [gdb_cv_struct_reg=yes],
1428 [gdb_cv_struct_reg=no]
1431 if test "$gdb_cv_struct_reg" = yes; then
1432 AC_DEFINE(HAVE_STRUCT_REG, 1,
1433 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1436 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1437 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1438 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1439 [#include <sys/types.h>
1440 #include <machine/reg.h>])
1442 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1443 AC_MSG_CHECKING(for PTRACE_GETREGS)
1445 [gdb_cv_have_ptrace_getregs],
1447 [AC_LANG_PROGRAM([#include <sys/ptrace.h>], [PTRACE_GETREGS;])],
1448 [gdb_cv_have_ptrace_getregs=yes],
1449 [gdb_cv_have_ptrace_getregs=no]
1452 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1453 if test "$gdb_cv_have_ptrace_getregs" = yes; then
1454 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1455 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1458 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1459 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1461 [gdb_cv_have_ptrace_getfpxregs],
1463 [AC_LANG_PROGRAM([#include <sys/ptrace.h>], [PTRACE_GETFPXREGS;])],
1464 [gdb_cv_have_ptrace_getfpxregs=yes],
1465 [gdb_cv_have_ptrace_getfpxregs=no]
1468 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1469 if test "$gdb_cv_have_ptrace_getfpxregs" = yes; then
1470 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1471 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1474 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1475 AC_MSG_CHECKING(for PT_GETDBREGS)
1477 [gdb_cv_have_pt_getdbregs],
1480 [#include <sys/types.h>
1481 #include <sys/ptrace.h>],
1484 [gdb_cv_have_pt_getdbregs=yes],
1485 [gdb_cv_have_pt_getdbregs=no]
1488 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1489 if test "$gdb_cv_have_pt_getdbregs" = yes; then
1490 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1491 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1494 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1495 AC_MSG_CHECKING(for PT_GETXMMREGS)
1497 [gdb_cv_have_pt_getxmmregs],
1500 [#include <sys/types.h>
1501 #include <sys/ptrace.h>],
1504 [gdb_cv_have_pt_getxmmregs=yes],
1505 [gdb_cv_have_pt_getxmmregs=no]
1508 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1509 if test "$gdb_cv_have_pt_getxmmregs" = yes; then
1510 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1511 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1514 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1515 # Older FreeBSD versions don't have the pl_tdname member of
1516 # `struct ptrace_lwpinfo'.
1517 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1518 [#include <sys/ptrace.h>])
1520 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1521 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1523 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1524 [#include <sys/ptrace.h>])
1526 # Check if the compiler supports the `long long' type.
1528 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1529 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1530 [[extern long long foo;]],
1531 [[switch (foo & 2) { case 0: return 1; }]])],
1532 gdb_cv_c_long_long=yes,
1533 gdb_cv_c_long_long=no)])
1534 if test "$gdb_cv_c_long_long" != yes; then
1535 # libdecnumber requires long long.
1536 AC_MSG_ERROR([Compiler must support long long for GDB.])
1539 # Check if the compiler and runtime support printing long longs.
1541 AC_CACHE_CHECK([for long long support in printf],
1542 gdb_cv_printf_has_long_long,
1543 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1546 l = (l << 16) + 0x0123;
1547 l = (l << 16) + 0x4567;
1548 l = (l << 16) + 0x89ab;
1549 l = (l << 16) + 0xcdef;
1550 sprintf (buf, "0x%016llx", l);
1551 return (strcmp ("0x0123456789abcdef", buf));]])],
1552 gdb_cv_printf_has_long_long=yes,
1553 gdb_cv_printf_has_long_long=no,
1554 gdb_cv_printf_has_long_long=no)])
1555 if test "$gdb_cv_printf_has_long_long" = yes; then
1556 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1557 [Define to 1 if the "%ll" format works to print long longs.])
1560 # Check if the compiler and runtime support printing decfloats.
1562 AC_CACHE_CHECK([for decfloat support in printf],
1563 gdb_cv_printf_has_decfloat,
1564 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1566 _Decimal32 d32 = 1.2345df;
1567 _Decimal64 d64 = 1.2345dd;
1568 _Decimal128 d128 = 1.2345dl;
1569 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1570 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1571 gdb_cv_printf_has_decfloat=yes,
1572 gdb_cv_printf_has_decfloat=no,
1573 gdb_cv_printf_has_decfloat=no)])
1574 if test "$gdb_cv_printf_has_decfloat" = yes; then
1575 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1576 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1579 # Check if the compiler supports the `long double' type. We can't use
1580 # AC_C_LONG_DOUBLE because that one does additional checks on the
1581 # constants defined in <float.h> that fail on some systems,
1582 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1584 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1585 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1586 gdb_cv_c_long_double=yes,
1587 gdb_cv_c_long_double=no)])
1588 if test "$gdb_cv_c_long_double" = yes; then
1589 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1590 [Define to 1 if the compiler supports long double.])
1593 # Check if the compiler and runtime support printing long doubles.
1595 AC_CACHE_CHECK([for long double support in printf],
1596 gdb_cv_printf_has_long_double,
1597 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1599 long double f = 3.141592653;
1600 sprintf (buf, "%Lg", f);
1601 return (strncmp ("3.14159", buf, 7));]])],
1602 gdb_cv_printf_has_long_double=yes,
1603 gdb_cv_printf_has_long_double=no,
1604 gdb_cv_printf_has_long_double=no)])
1605 if test "$gdb_cv_printf_has_long_double" = yes; then
1606 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1607 [Define to 1 if the "%Lg" format works to print long doubles.])
1610 # Check if the compiler and runtime support scanning long doubles.
1612 AC_CACHE_CHECK([for long double support in scanf],
1613 gdb_cv_scanf_has_long_double,
1614 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1615 [[#include <stdio.h>]],
1616 [[char *buf = "3.141592653";
1618 sscanf (buf, "%Lg", &f);
1619 return !(f > 3.14159 && f < 3.14160);]])],
1620 gdb_cv_scanf_has_long_double=yes,
1621 gdb_cv_scanf_has_long_double=no,
1622 gdb_cv_scanf_has_long_double=no)])
1623 if test "$gdb_cv_scanf_has_long_double" = yes; then
1624 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1625 [Define to 1 if the "%Lg" format works to scan long doubles.])
1631 [for -bbigtoc option], [gdb_cv_bigtoc],
1632 [SAVE_LDFLAGS=$LDFLAGS
1635 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1636 *) gdb_cv_bigtoc=-bbigtoc ;;
1639 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1641 [AC_LANG_PROGRAM([], [int i;])],
1645 LDFLAGS="${SAVE_LDFLAGS}"]
1647 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1651 AC_MSG_CHECKING(for the dynamic export flag)
1653 if test "${gdb_native}" = yes; then
1654 # The dynamically loaded libthread_db needs access to symbols in the gdb
1655 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1656 # may not be supported there.
1657 old_LDFLAGS="$LDFLAGS"
1658 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1659 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1660 LDFLAGS="$LDFLAGS $RDYNAMIC"
1661 if test "${have_libpython}" = no; then
1663 [AC_LANG_PROGRAM([], [])],
1664 [dynamic_list=true],
1668 # Workaround http://bugs.python.org/issue4434 where static
1669 # libpythonX.Y.a would get its symbols required for
1670 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1671 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1673 # Note the workaround for Python
1674 # http://bugs.python.org/issue10112 earlier has removed
1675 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1676 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1678 old_CFLAGS="$CFLAGS"
1679 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1681 LIBS="$LIBS $PYTHON_LIBS"
1682 old_CPPFLAGS="$CPPFLAGS"
1683 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1686 [#include "Python.h"],
1689 err = PyRun_SimpleString ("import ctypes\n");
1691 return err == 0 ? 0 : 1;])],
1692 [dynamic_list=true], [], [true])
1694 CFLAGS="$old_CFLAGS"
1695 CPPFLAGS="$old_CPPFLAGS"
1697 LDFLAGS="$old_LDFLAGS"
1699 if $dynamic_list; then
1700 found="-Wl,--dynamic-list"
1701 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1704 RDYNAMIC="-rdynamic"
1707 AC_MSG_RESULT($found)
1709 dnl For certain native configurations, we need to check whether thread
1710 dnl support can be built in or not.
1712 dnl Note that we only want this if we are both native (host == target),
1713 dnl and not doing a canadian cross build (build == host).
1715 if test "${build}" = "${host}" -a "${host}" = "${target}" ; then
1718 AC_MSG_CHECKING(for AiX thread debugging library)
1720 [gdb_cv_have_aix_thread_debug],
1723 [#include <sys/pthdebug.h>],
1724 [#ifndef PTHDB_VERSION_3
1728 [gdb_cv_have_aix_thread_debug=yes],
1729 [gdb_cv_have_aix_thread_debug=no]
1732 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1733 if test "$gdb_cv_have_aix_thread_debug" = yes; then
1734 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1735 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1736 LIBS="$LIBS -lpthdebug"
1738 # Older versions of AIX do not provide the declaration for
1739 # the getthrds function (it appears that it was introduced
1741 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1745 AC_SUBST(CONFIG_LDFLAGS)
1748 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1749 dnl other error codes.
1750 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1752 [whether <thread_db.h> has TD_NOTALLOC],
1753 [gdb_cv_thread_db_h_has_td_notalloc],
1756 [#include <thread_db.h>],
1757 [int i = TD_NOTALLOC;]
1759 [gdb_cv_thread_db_h_has_td_notalloc=yes],
1760 [gdb_cv_thread_db_h_has_td_notalloc=no]
1765 [whether <thread_db.h> has TD_VERSION],
1766 [gdb_cv_thread_db_h_has_td_version],
1769 [#include <thread_db.h>],
1770 [int i = TD_VERSION;]
1772 [gdb_cv_thread_db_h_has_td_version=yes],
1773 [gdb_cv_thread_db_h_has_td_version=no]
1778 [whether <thread_db.h> has TD_NOTLS],
1779 [gdb_cv_thread_db_h_has_td_notls],
1782 [#include <thread_db.h>],
1785 [gdb_cv_thread_db_h_has_td_notls=yes],
1786 [gdb_cv_thread_db_h_has_td_notls=no]
1790 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1791 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1792 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1794 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1795 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1796 [Define if <thread_db.h> has the TD_VERSION error code.])
1798 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1799 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1800 [Define if <thread_db.h> has the TD_NOTLS error code.])
1803 dnl Set the host's .gdbinit filename.
1812 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1814 dnl Set the host's .gdbearlyinit filename
1815 AC_DEFINE_UNQUOTED(GDBEARLYINIT,".gdbearlyinit",[The .gdbearlyinit filename.])
1817 dnl Handle optional features that can be enabled.
1819 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1820 # except that the argument to --with-sysroot is optional.
1821 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1822 if test "x$with_sysroot" = xyes; then
1823 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1825 AC_ARG_WITH(sysroot,
1826 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1827 [search for usr/lib et al within DIR]),
1828 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1829 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1830 [search for usr/lib et al within DIR])
1831 AC_SUBST(TARGET_SYSTEM_ROOT)
1832 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1834 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1835 [automatically load a system-wide gdbinit file],
1837 GDB_AC_WITH_DIR(SYSTEM_GDBINIT_DIR, system-gdbinit-dir,
1838 [automatically load system-wide gdbinit files from this directory],
1844 # In the Cygwin environment, we need some additional flags.
1845 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1846 [AC_EGREP_CPP(^lose$, [
1847 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1849 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1852 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1853 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1855 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1856 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1857 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1858 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1860 AC_SUBST(SER_HARDWIRE)
1862 # libreadline needs libuser32.a in a cygwin environment
1864 if test x"$gdb_cv_os_cygwin" = xyes; then
1865 WIN32LIBS="-luser32"
1867 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1872 # The ser-tcp.c module requires sockets.
1873 # Note that WIN32APILIBS is set by GDB_AC_COMMON.
1874 WIN32LIBS="$WIN32LIBS $WIN32APILIBS"
1876 # Add ELF support to GDB, but only if BFD includes ELF support.
1877 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1878 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1879 if test "$gdb_cv_var_elf" = yes; then
1880 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o \
1881 gcore-elf.o elf-none-tdep.o"
1882 AC_DEFINE(HAVE_ELF, 1,
1883 [Define if ELF support should be included.])
1884 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1885 if test "$plugins" = "yes"; then
1886 AC_SEARCH_LIBS(dlopen, dl)
1890 # Add macho support to GDB, but only if BFD includes it.
1891 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1892 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1893 if test "$gdb_cv_var_macho" = yes; then
1894 CONFIG_OBS="$CONFIG_OBS machoread.o"
1897 # Add any host-specific objects to GDB.
1898 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1900 # If building on ELF, look for lzma support for embedded compressed debug info.
1901 if test "$gdb_cv_var_elf" = yes; then
1903 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1904 [], [with_lzma=auto])
1905 AC_MSG_CHECKING([whether to use lzma])
1906 AC_MSG_RESULT([$with_lzma])
1908 if test "${with_lzma}" != no; then
1909 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1910 [lzma_index_iter iter;
1911 lzma_index_iter_init (&iter, 0);
1912 lzma_mf_is_supported (LZMA_MF_HC3);])
1913 if test "$HAVE_LIBLZMA" != yes; then
1914 if test "$with_lzma" = yes; then
1915 AC_MSG_ERROR([missing liblzma for --with-lzma])
1921 LIBGUI="../libgui/src/libgui.a"
1922 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1924 AC_SUBST(GUI_CFLAGS_X)
1928 AC_SUBST(WIN32LDAPP)
1931 *-*-cygwin* | *-*-mingw* )
1940 if test "${enable_gdbtk}" = "yes"; then
1942 # Gdbtk must have an absolute path to srcdir in order to run
1943 # properly when not installed.
1951 # If $no_tk is nonempty, then we can't do Tk, and there is no
1952 # point to doing Tcl.
1955 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1958 # Check for in-tree tcl
1965 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1969 # Find Tcl private headers
1970 if test x"${intree}" = xno; then
1971 CY_AC_TCL_PRIVATE_HEADERS
1972 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1973 TCL_LIBRARY="${TCL_LIB_SPEC}"
1976 # If building tcl in the same src tree, private headers
1977 # are not needed, but we need to be sure to use the right
1979 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1980 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1981 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1983 AC_SUBST(TCL_INCLUDE)
1984 AC_SUBST(TCL_LIBRARY)
1989 # Check for in-tree Tk
1991 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1995 # Find Tk private headers
1996 if test x"${intree}" = xno; then
1997 CY_AC_TK_PRIVATE_HEADERS
1998 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1999 TK_LIBRARY=${TK_LIB_SPEC}
2002 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2003 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2004 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2006 AC_SUBST(TK_INCLUDE)
2007 AC_SUBST(TK_LIBRARY)
2009 AC_SUBST(TK_XINCLUDES)
2011 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2013 # Include some libraries that Tcl and Tk want.
2014 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2015 # Yes, the ordering seems wrong here. But it isn't.
2016 # TK_LIBS is the list of libraries that need to be linked
2017 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2018 # were in LIBS then any link tests after this point would
2019 # try to include things like `$(LIBGUI)', which wouldn't work.
2020 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2022 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2023 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2024 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2025 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2026 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2027 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2028 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2030 if test x"$gdb_cv_os_cygwin" = xyes; then
2031 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2032 WIN32LDAPP="-Wl,--subsystem,console"
2033 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2036 AC_CONFIG_SUBDIRS(gdbtk)
2044 AC_SUBST(GDBTK_CFLAGS)
2045 AC_SUBST(GDBTK_SRC_DIR)
2049 # Unlike the sim directory, whether a simulator is linked is controlled by
2050 # presence of a gdb_sim definition in the target configure.tgt entry.
2051 # This code just checks for a few cases where we'd like to ignore those
2052 # definitions, even when they're present in the '.mt' file. These cases
2053 # are when --disable-sim is specified, or if the simulator directory is
2054 # not part of the source tree.
2057 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2058 [echo "enable_sim = $enable_sim";
2059 echo "enableval = ${enableval}";
2060 case "${enableval}" in
2061 yes) ignore_sim=false ;;
2062 no) ignore_sim=true ;;
2063 *) ignore_sim=false ;;
2067 if test ! -d "${srcdir}/../sim"; then
2073 if test "${ignore_sim}" = "false"; then
2074 if test x"${gdb_sim}" != x ; then
2076 SIM_OBS="remote-sim.o"
2077 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2079 # Some tdep code should only be compiled in when the ppc sim is
2080 # built. PR sim/13418.
2083 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2091 AC_SUBST(ENABLE_CFLAGS)
2092 AC_SUBST(PROFILE_CFLAGS)
2094 AC_SUBST(CONFIG_OBS)
2095 AC_SUBST(CONFIG_DEPS)
2096 AC_SUBST(CONFIG_SRCS)
2097 AC_SUBST(CONFIG_ALL)
2098 AC_SUBST(CONFIG_CLEAN)
2099 AC_SUBST(CONFIG_INSTALL)
2100 AC_SUBST(CONFIG_UNINSTALL)
2102 # List of host floatformats.
2103 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2104 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2105 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2107 # target_subdir is used by the testsuite to find the target libraries.
2109 if test "${host}" != "${target}"; then
2110 target_subdir="${target_alias}/"
2112 AC_SUBST(target_subdir)
2114 # Import nat definitions.
2115 nat_makefile_frag=/dev/null
2116 if test "${gdb_native}" = "yes"; then
2117 . ${srcdir}/configure.nat
2118 nativefile=$NAT_FILE
2122 AC_SUBST(NATDEPFILES)
2127 AC_SUBST(NAT_GENERATED_FILES)
2128 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2129 AC_SUBST_FILE(nat_makefile_frag)
2131 if test x"${gdb_osabi}" != x ; then
2132 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2133 [Define to the default OS ABI for this configuration.])
2136 # Check for babeltrace and babeltrace-ctf
2137 AC_ARG_WITH(babeltrace,
2138 AS_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2139 [], [with_babeltrace=auto])
2140 AC_MSG_CHECKING([whether to use babeltrace])
2141 AC_MSG_RESULT([$with_babeltrace])
2143 if test "x$with_babeltrace" = "xno"; then
2144 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2146 # Append -Werror to CFLAGS so that configure can catch the warning
2147 # "assignment from incompatible pointer type", which is related to
2148 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2149 # in GDB, while babeltrace 1.0.3 is broken.
2150 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2151 # safe to save and restore CFLAGS here.
2152 saved_CFLAGS=$CFLAGS
2153 CFLAGS="$CFLAGS -Werror"
2154 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2155 [#include <babeltrace/babeltrace.h>
2156 #include <babeltrace/ctf/events.h>
2157 #include <babeltrace/ctf/iterator.h>],
2158 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2159 struct bt_ctf_event *event = NULL;
2160 const struct bt_definition *scope;
2162 pos->type = BT_SEEK_BEGIN;
2163 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2164 scope = bt_ctf_get_top_level_scope (event,
2165 BT_STREAM_EVENT_HEADER);
2166 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2168 CFLAGS=$saved_CFLAGS
2170 if test "$HAVE_LIBBABELTRACE" != yes; then
2171 if test "$with_babeltrace" = yes; then
2172 AC_MSG_ERROR([babeltrace is missing or unusable])
2174 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2181 AS_HELP_STRING([--with-xxhash], [use libxxhash for hashing (faster) (auto/yes/no)]),
2182 [], [with_xxhash=auto])
2184 GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections])
2185 if test x${enable_static} = xno; then
2186 LIBCTF="-Wl,--rpath,../libctf/.libs ../libctf/.libs/libctf.so"
2187 CTF_DEPS="../libctf/.libs/libctf.so"
2189 LIBCTF="../libctf/.libs/libctf.a"
2192 if test "${enable_libctf}" = yes; then
2193 AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections])
2198 AC_SUBST(enable_libctf)
2202 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2205 if test "x$with_xxhash" != "xno"; then
2206 AC_LIB_HAVE_LINKFLAGS([xxhash], [],
2207 [#include <xxhash.h>],
2208 [XXH32("foo", 3, 0);
2210 if test "$HAVE_LIBXXHASH" != yes; then
2211 if test "$with_xxhash" = yes; then
2212 AC_MSG_ERROR([xxhash is missing or unusable])
2215 if test "x$with_xxhash" = "xauto"; then
2216 with_xxhash="$HAVE_LIBXXHASH"
2220 AC_MSG_CHECKING([whether to use xxhash])
2221 AC_MSG_RESULT([$with_xxhash])
2225 if test "${nativefile}" != ""; then
2226 case "${nativefile}" in
2227 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2228 * ) GDB_NM_FILE="${nativefile}"
2230 AC_CONFIG_LINKS([nm.h:$GDB_NM_FILE], [echo > stamp-nmh],
2231 [GDB_NM_FILE=$GDB_NM_FILE])
2232 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2235 AC_SUBST(GDB_NM_FILE)
2238 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2239 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2240 if test "x$USE_MAINTAINER_MODE" = xyes; then
2241 if test "${XSLTPROC}" = missing; then
2242 AC_MSG_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2247 dnl Check for exe extension set on certain hosts (e.g. Win32)
2250 dnl Detect the character set used by this host.
2251 dnl At the moment, we just assume it's UTF-8.
2252 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2253 [Define to be a string naming the default host character set.])
2256 CONFIG_OBS="$CONFIG_OBS \$(SELFTESTS_OBS)"
2257 CONFIG_SRCS="$CONFIG_SRCS \$(SELFTESTS_SRCS)"
2260 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2261 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2262 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2263 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile])
2264 # Transform the name of some programs for the testsuite/lib/pdtrace
2266 GDB_AC_TRANSFORM(strip, STRIP_TRANSFORM_NAME)
2267 GDB_AC_TRANSFORM(readelf, READELF_TRANSFORM_NAME)
2268 GDB_AC_TRANSFORM(as, GAS_TRANSFORM_NAME)
2269 GDB_AC_TRANSFORM(nm, NM_TRANSFORM_NAME)
2270 AC_CONFIG_FILES([testsuite/lib/pdtrace], [chmod +x testsuite/lib/pdtrace])
2271 AC_CONFIG_FILES([testsuite/Makefile])