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.
21 m4_include(../config/debuginfod.m4)
24 AC_CONFIG_SRCDIR([main.c])
25 AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
31 AC_USE_SYSTEM_EXTENSIONS
37 # Set build, build_cpu, build_vendor and build_os.
40 # Set host, host_cpu, host_vendor, and host_os.
43 # Set target, target_cpu, target_vendor, and target_os.
48 # We require a C++11 compiler. Check if one is available, and if
49 # necessary, set CXX_DIALECT to some -std=xxx switch.
50 AX_CXX_COMPILE_STDCXX(11, , mandatory)
52 # Dependency checking.
54 ZW_PROG_COMPILER_DEPENDENCIES([CC])
56 dnl List of object files and targets accumulated by configure.
68 dnl Set up for gettext.
69 ZW_GNU_GETTEXT_SISTER_DIR
71 localedir='${datadir}/locale'
74 if test x"$USE_NLS" = xyes; then
75 CONFIG_ALL="$CONFIG_ALL all-po"
76 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
77 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
78 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
82 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
85 # We never need to detect it in this sub-configure.
86 # But preserve it for config.status --recheck.
88 [Parent configure detects if it is of sufficient version.])
89 AC_ARG_VAR(MAKEINFOFLAGS,
90 [Parameters for MAKEINFO.])
92 MAKEINFO_EXTRA_FLAGS=""
93 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
94 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
95 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
96 gdb_cv_have_makeinfo_click=yes
98 gdb_cv_have_makeinfo_click=no
100 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
101 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
103 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
105 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
106 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
109 # We can't pass paths as command line arguments.
110 # Mingw32 tries to be clever and will convert the paths for us.
111 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
112 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
113 # This breaks GDB's relocatable path conversions since paths passed in
114 # config.h would not get so translated, the path prefixes no longer match.
115 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
117 # GDB's datadir relocation
119 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
120 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
123 AC_ARG_WITH(relocated-sources,
124 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
125 [reloc_srcdir="${withval}"
126 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
127 [Relocated directory for source files. ])
130 AC_MSG_CHECKING([for default auto-load directory])
131 AC_ARG_WITH(auto-load-dir,
132 AS_HELP_STRING([--with-auto-load-dir=PATH],
133 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
134 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
135 escape_dir=`echo $with_auto_load_dir | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
136 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
137 [Directories from which to load auto-loaded scripts.])
138 AC_MSG_RESULT([$with_auto_load_dir])
140 AC_MSG_CHECKING([for default auto-load safe-path])
141 AC_ARG_WITH(auto-load-safe-path,
142 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
143 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
144 AS_HELP_STRING([--without-auto-load-safe-path],
145 [do not restrict auto-loaded files locations]),
146 [if test "$with_auto_load_safe_path" = "no"; then
147 with_auto_load_safe_path="/"
149 [with_auto_load_safe_path="$with_auto_load_dir"])
150 escape_dir=`echo $with_auto_load_safe_path | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
151 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
152 [Directories safe to hold auto-loaded files.])
153 AC_MSG_RESULT([$with_auto_load_safe_path])
155 AC_CONFIG_SUBDIRS(testsuite)
157 # Check whether to support alternative target configurations
158 AC_ARG_ENABLE(targets,
159 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
160 [case "${enableval}" in
161 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
163 no) enable_targets= ;;
164 *) enable_targets=$enableval ;;
167 # Check whether to enable 64-bit support on 32-bit hosts
168 AC_ARG_ENABLE(64-bit-bfd,
169 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
170 [case "${enableval}" in
173 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
174 esac],[want64=false])dnl
176 # Provide defaults for some variables set by the per-host and per-target
178 gdb_host_obs=posix-hdep.o
180 if test "${target}" = "${host}"; then
186 . $srcdir/configure.host
188 # Accumulate some settings from configure.tgt over all enabled targets
192 HAVE_NATIVE_GCORE_TARGET=
194 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
196 if test "$targ_alias" = "all"; then
199 # Canonicalize the secondary target names.
200 result=`$ac_config_sub $targ_alias 2>/dev/null`
201 if test -n "$result"; then
207 . ${srcdir}/configure.tgt
209 AS_IF([test -z "${gdb_target_obs}"],
210 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
212 # Target-specific object files
213 for i in ${gdb_target_obs}; do
214 case " $TARGET_OBS " in
217 TARGET_OBS="$TARGET_OBS ${i}"
222 # Check whether this target needs 64-bit CORE_ADDR
223 if test x${want64} = xfalse; then
224 . ${srcdir}/../bfd/config.bfd
227 # Check whether this target is native and supports gcore.
228 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
229 && $gdb_have_gcore; then
230 HAVE_NATIVE_GCORE_TARGET=1
235 if test x${all_targets} = xtrue; then
237 # We want all 64-bit targets if we either:
238 # - run on a 64-bit host or
239 # - already require 64-bit support for some other target or
240 # - the --enable-64-bit-bfd option was supplied
241 # Otherwise we only support all 32-bit targets.
243 # NOTE: This test must be in sync with the corresponding
246 if test x${want64} = xfalse; then
247 AC_CHECK_SIZEOF(long)
248 if test "x${ac_cv_sizeof_long}" = "x8"; then
252 if test x${want64} = xtrue; then
253 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
255 TARGET_OBS='$(ALL_TARGET_OBS)'
260 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
262 # For other settings, only the main target counts.
265 targ=$target; . ${srcdir}/configure.tgt
267 # Fetch the default architecture and default target vector from BFD.
268 targ=$target; . $srcdir/../bfd/config.bfd
270 # We only want the first architecture, so strip off the others if
271 # there is more than one.
272 targ_archs=`echo $targ_archs | sed 's/ .*//'`
274 if test "x$targ_archs" != x; then
275 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
276 [Define to BFD's default architecture. ])
278 if test "x$targ_defvec" != x; then
279 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
280 [Define to BFD's default target vector. ])
285 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
290 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
293 if test x"$enable_gdbmi" = xyes; then
294 if test -d "$srcdir/mi"; then
295 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
296 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
297 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
298 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
304 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
309 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
310 esac],enable_tui=auto)
314 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
319 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
321 [if test -d "$srcdir/gdbtk"; then
326 # We unconditionally disable gdbtk tests on selected platforms.
329 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
333 # Handle optional debuginfod support
336 # Libunwind support for ia64.
337 AC_ARG_WITH(libunwind-ia64,
338 AS_HELP_STRING([--with-libunwind-ia64],
339 [use libunwind frame unwinding for ia64 targets]),,
340 [with_libunwind_ia64=auto])
342 # Backward compatibility option.
343 if test "${with_libunwind+set}" = set; then
344 if test x"$with_libunwind_ia64" != xauto; then
346 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
348 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
349 with_libunwind_ia64="$with_libunwind"
352 case "$with_libunwind_ia64" in
356 AC_CHECK_HEADERS(libunwind-ia64.h)
357 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
361 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
365 if test x"$with_libunwind_ia64" = xyes; then
366 AC_CHECK_HEADERS(libunwind-ia64.h)
367 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
368 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
370 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
371 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
372 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
376 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
379 if test "$opt_curses" = "yes"; then
384 AC_ARG_ENABLE(profiling,
385 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
390 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
392 [enable_profiling=no])
394 AC_CHECK_FUNCS(monstartup _mcleanup)
401 extern char _etext;],
404 [ac_cv_var__etext=yes],
405 [ac_cv_var__etext=no]
408 if test "$ac_cv_var__etext" = yes; then
409 AC_DEFINE(HAVE__ETEXT, 1,
410 [Define to 1 if your system has the _etext variable. ])
421 [ac_cv_var_etext=yes],
425 if test "$ac_cv_var_etext" = yes; then
426 AC_DEFINE(HAVE_ETEXT, 1,
427 [Define to 1 if your system has the etext variable. ])
429 if test "$enable_profiling" = yes ; then
430 if test "$ac_cv_func_monstartup" = no || test "$ac_cv_func__mcleanup" = no; then
431 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
435 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
438 [whether $CC supports -pg],
439 [ac_cv_cc_supports_pg],
441 [AC_LANG_PROGRAM([], [int x;])],
442 [ac_cv_cc_supports_pg=yes],
443 [ac_cv_cc_supports_pg=no]
447 if test "$ac_cv_cc_supports_pg" = no; then
448 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
455 AC_ARG_ENABLE([codesign],
456 AS_HELP_STRING([--enable-codesign=CERT],
457 [sign gdb with 'codesign -s CERT']),
458 [CODESIGN_CERT=$enableval])
459 AC_SUBST([CODESIGN_CERT])
461 ACX_PKGVERSION([GDB])
462 ACX_BUGURL([https://www.gnu.org/software/gdb/bugs/])
463 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
464 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
466 # --------------------- #
467 # Checks for programs. #
468 # --------------------- #
476 AC_CHECK_TOOL(AR, ar)
477 AC_CHECK_TOOL(DLLTOOL, dlltool)
478 AC_CHECK_TOOL(WINDRES, windres)
482 # Needed for GNU Hurd hosts.
483 AC_CHECK_TOOL(MIG, mig)
484 if test x"$MIG" = x; then
485 AC_MSG_ERROR([MIG not found but required for $host hosts])
490 # ---------------------- #
491 # Checks for libraries. #
492 # ---------------------- #
494 # We might need to link with -lm; most simulators need it.
495 AC_CHECK_LIB(m, main)
497 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
498 AC_SEARCH_LIBS(gethostbyname, nsl)
500 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
501 AC_SEARCH_LIBS(socketpair, socket)
503 # Link in zlib if we can. This allows us to read compressed debug sections.
508 # GDB may fork/exec the iconv program to get the list of supported character
509 # sets. Allow the user to specify where to find it.
510 # There are several factors affecting the choice of option name:
511 # - There is already --with-libiconv-prefix but we can't use it, it specifies
512 # the build-time location of libiconv files.
513 # - The program we need to find is iconv, which comes with glibc. The user
514 # doesn't necessarily have libiconv installed. Therefore naming this
515 # --with-libiconv-foo feels wrong.
516 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
517 # defined to work on directories not files (though it really doesn't know
519 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
520 # with --with-libiconv-prefix.
521 # Putting these together is why the option name is --with-iconv-bin.
523 AC_ARG_WITH(iconv-bin,
524 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
525 [iconv_bin="${withval}"
526 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
527 [Path of directory of iconv program.])
528 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
531 # For the TUI, we need enhanced curses functionality.
532 if test x"$enable_tui" != xno; then
537 if test x"$prefer_curses" = xyes; then
538 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
539 # curses library because the latter might not provide all the
540 # functionality we need. However, this leads to problems on systems
541 # where the linker searches /usr/local/lib, but the compiler doesn't
542 # search /usr/local/include, if ncurses is installed in /usr/local. A
543 # default installation of ncurses on alpha*-dec-osf* will lead to such
545 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
547 if test "$ac_cv_search_waddstr" != no; then
552 # Check whether we should enable the TUI, but only do so if we really
554 if test x"$enable_tui" != xno; then
555 if test -d "$srcdir/tui"; then
556 if test "$curses_found" != no; then
557 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
558 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
559 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
560 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
562 if test x"$enable_tui" = xyes; then
563 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
565 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
571 # Since GDB uses Readline, we need termcap functionality. In many
572 # cases this will be provided by the curses library, but some systems
573 # have a separate termcap library, or no curses library at all.
577 if test -d "$srcdir/libtermcap"; then
578 LIBS="../libtermcap/libtermcap.a $LIBS"
579 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
582 ac_cv_search_tgetent="none required"
586 # These are the libraries checked by Readline.
587 AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
589 if test "$ac_cv_search_tgetent" = no; then
590 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
593 AC_ARG_WITH([system-readline],
594 [AS_HELP_STRING([--with-system-readline],
595 [use installed readline library])])
597 if test "$with_system_readline" = yes; then
599 [whether system readline is new enough],
600 [gdb_cv_readline_ok],
604 #include <readline/readline.h>],
605 [#if RL_VERSION_MAJOR < 7
606 # error "readline version 7 required"
609 [gdb_cv_readline_ok=yes],
610 [gdb_cv_readline_ok=no]
613 if test "$gdb_cv_readline_ok" != yes; then
614 AC_MSG_ERROR([system readline is not new enough])
620 READLINE_TEXI_INCFLAG=
622 READLINE='$(READLINE_DIR)/libreadline.a'
623 READLINE_DEPS='$(READLINE)'
624 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
625 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
628 AC_SUBST(READLINE_DEPS)
629 AC_SUBST(READLINE_CFLAGS)
630 AC_SUBST(READLINE_TEXI_INCFLAG)
632 # Generate jit-reader.h
634 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
637 AC_CHECK_SIZEOF(unsigned long long)
638 AC_CHECK_SIZEOF(unsigned long)
639 AC_CHECK_SIZEOF(unsigned __int128)
641 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
642 TARGET_PTR="unsigned long"
643 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
644 TARGET_PTR="unsigned long long"
645 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
646 TARGET_PTR="unsigned __int128"
648 TARGET_PTR="unsigned long"
652 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
654 AC_SEARCH_LIBS(dlopen, dl)
656 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
657 [directory to load the JIT readers from],
661 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
662 [], [with_expat=auto])
663 AC_MSG_CHECKING([whether to use expat])
664 AC_MSG_RESULT([$with_expat])
666 if test "${with_expat}" = no; then
667 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
670 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
671 [XML_Parser p = XML_ParserCreate (0);])
672 if test "$HAVE_LIBEXPAT" != yes; then
673 if test "$with_expat" = yes; then
674 AC_MSG_ERROR([expat is missing or unusable])
676 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
680 LIBS="$LIBS $LIBEXPAT"
681 AC_CHECK_FUNCS(XML_StopParser)
686 # Verify that we have a usable GMP library.
687 AC_LIB_HAVE_LINKFLAGS([gmp], [], [#include <gmp.h>],
690 if test "$HAVE_LIBGMP" != yes; then
691 AC_MSG_ERROR([GMP is missing or unusable])
695 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
696 [], [with_mpfr=auto])
697 AC_MSG_CHECKING([whether to use MPFR])
698 AC_MSG_RESULT([$with_mpfr])
700 if test "${with_mpfr}" = no; then
701 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
704 AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
705 [mpfr_exp_t exp; mpfr_t x;
706 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
707 if test "$HAVE_LIBMPFR" != yes; then
708 if test "$with_mpfr" = yes; then
709 AC_MSG_ERROR([MPFR is missing or unusable])
711 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
716 # --------------------- #
717 # Check for libpython. #
718 # --------------------- #
720 dnl Utility to simplify finding libpython.
721 dnl $1 = the shell variable to assign the result to
722 dnl If libpython is found we store $version here.
723 dnl $2 = additional flags to add to CPPFLAGS
724 dnl $3 = additional flags to add to LIBS
726 AC_DEFUN([AC_TRY_LIBPYTHON],
728 define([have_libpython_var],$1)
731 AC_MSG_CHECKING([for python])
732 save_CPPFLAGS=$CPPFLAGS
734 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
735 LIBS="$new_LIBS $LIBS"
736 found_usable_python=no
737 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
738 [[Py_Initialize ();]])],
739 [have_libpython_var=yes
740 found_usable_python=yes
741 PYTHON_CPPFLAGS=$new_CPPFLAGS
742 PYTHON_LIBS=$new_LIBS])
743 CPPFLAGS=$save_CPPFLAGS
745 AC_MSG_RESULT([${found_usable_python}])
748 dnl There are several different values for --with-python:
750 dnl no - Don't include python support.
751 dnl yes - Include python support, error if it's missing.
752 dnl If we find python in $PATH, use it to fetch configure options,
753 dnl otherwise assume the compiler can find it with no help from us.
754 dnl Python 2.7 and 2.6 are tried in turn.
755 dnl auto - Same as "yes", but if python is missing from the system,
756 dnl fall back to "no".
757 dnl /path/to/python/exec-prefix -
758 dnl Use the python located in this directory.
759 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
760 dnl the compilation parameters. Otherwise use
761 dnl -I/path/to/python/exec-prefix/include,
762 dnl -L/path/to/python/exec-prefix/lib.
763 dnl Python 2.7 and 2.6 are tried in turn.
764 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
765 dnl but is deprecated.
766 dnl /path/to/python/executable -
767 dnl Run python-config.py with this version of python to fetch the
768 dnl compilation parameters.
769 dnl NOTE: This needn't be the real python executable.
770 dnl In a cross-compilation scenario (build != host), this could be
771 dnl a shell script that provides what python-config.py provides for
772 dnl --ldflags, --includes, --exec-prefix.
773 dnl python-executable -
774 dnl Find python-executable in $PATH, and then handle the same as
775 dnl /path/to/python/executable.
777 dnl If a python program is specified, it is used to run python-config.py and
778 dnl is passed --ldflags, --includes, --exec-prefix.
781 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
782 [], [with_python=auto])
783 AC_MSG_CHECKING([whether to use python])
784 AC_MSG_RESULT([$with_python])
786 if test "${with_python}" = no; then
787 AC_MSG_WARN([python support disabled; some features may be unavailable.])
790 case "${with_python}" in
791 [[\\/]]* | ?:[[\\/]]*)
792 if test -d "${with_python}"; then
793 # Assume the python binary is ${with_python}/bin/python.
794 python_prog="${with_python}/bin/python"
796 # If python does not exit ${with_python}/bin, then try in
797 # ${with_python}. On Windows/MinGW, this is where the Python
799 if test ! -x "${python_prog}"; then
800 python_prog="${with_python}/python"
803 if test ! -x "${python_prog}"; then
804 # Fall back to gdb 7.0/7.1 behaviour.
806 python_prefix=${with_python}
808 elif test -x "${with_python}"; then
809 # While we can't run python compiled for $host (unless host == build),
810 # the user could write a script that provides the needed information,
811 # so we support that.
812 python_prog=${with_python}
815 AC_MSG_ERROR(invalid value for --with-python)
819 # Disallow --with-python=foo/bar.
820 AC_MSG_ERROR(invalid value for --with-python)
823 # The user has either specified auto, yes, or the name of the python
824 # program assumed to be in $PATH.
826 case "${with_python}" in
828 if test "${build}" = "${host}"; then
829 AC_PATH_PROG(python_prog_path, python, missing)
830 if test "${python_prog_path}" = missing; then
833 python_prog=${python_prog_path}
836 # Not much we can do except assume the cross-compiler will find the
842 # While we can't run python compiled for $host (unless host == build),
843 # the user could write a script that provides the needed information,
844 # so we support that.
845 python_prog="${with_python}"
846 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
847 if test "${python_prog_path}" = missing; then
848 AC_MSG_ERROR(unable to find python program ${python_prog})
854 if test "${python_prog}" != missing; then
855 # We have a python program to use, but it may be too old.
856 # Don't flag an error for --with-python=auto (the default).
857 have_python_config=yes
858 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
859 if test $? != 0; then
860 have_python_config=failed
861 if test "${with_python}" != auto; then
862 AC_MSG_ERROR(failure running python-config --includes)
865 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
866 if test $? != 0; then
867 have_python_config=failed
868 if test "${with_python}" != auto; then
869 AC_MSG_ERROR(failure running python-config --ldflags)
872 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
873 if test $? != 0; then
874 have_python_config=failed
875 if test "${with_python}" != auto; then
876 AC_MSG_ERROR(failure running python-config --exec-prefix)
880 # We do not have a python executable we can use to determine where
881 # to find the Python headers and libs. We cannot guess the include
882 # path from the python_prefix either, because that include path
883 # depends on the Python version. So, there is nothing much we can
884 # do except assume that the compiler will be able to find those files.
887 have_python_config=no
890 # If we have python-config, only try the configuration it provides.
891 # Otherwise fallback on the old way of trying different versions of
895 if test "${have_python_config}" = yes; then
896 AC_TRY_LIBPYTHON(have_libpython,
897 ${python_includes}, ${python_libs})
898 elif test "${have_python_config}" != failed; then
899 if test "${have_libpython}" = no; then
900 AC_TRY_LIBPYTHON(have_libpython,
901 ${python_includes}, "-lpython2.7 ${python_libs}")
903 if test "${have_libpython}" = no; then
904 AC_TRY_LIBPYTHON(have_libpython,
905 ${python_includes}, "-lpython2.6 ${python_libs}")
909 if test "${have_libpython}" = no; then
910 case "${with_python}" in
912 AC_MSG_ERROR([python is missing or unusable])
915 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
918 AC_MSG_ERROR([no usable python found at ${with_python}])
922 if test -n "${python_prefix}"; then
923 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
924 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
925 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
930 dnl Use --with-python-libdir to control where GDB looks for the Python
933 dnl If this is not given then the default will be based on the value
934 dnl passed to --with-python, which is in the python_prefix variable.
935 dnl If the --with-python option wasn't given then the default value in
936 dnl python_prefix is based on running the 'gdb/python/python-config
937 dnl --exec-prefix' script.
938 AC_ARG_WITH(python-libdir,
939 AS_HELP_STRING([--with-python-libdir@<:@=DIR@:>@], [search for python's libraries in DIR]),
941 # If no python libdir is specified then select one based on
942 # python's prefix path.
943 if test -n "${python_prefix}"; then
944 with_python_libdir=${python_prefix}/lib
948 if test "${have_libpython}" != no; then
949 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
950 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
951 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
952 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
953 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
954 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
956 if test -n "${with_python_libdir}"; then
957 AC_DEFINE_UNQUOTED(WITH_PYTHON_LIBDIR, "${with_python_libdir}",
958 [Directory containing Python's standard libraries from --with-python-libdir.])
959 GDB_AC_DEFINE_RELOCATABLE(PYTHON_LIBDIR, [python lib], ${with_python_libdir})
962 # Flags needed to compile Python code (taken from python-config --cflags).
963 # We cannot call python-config directly because it will output whatever was
964 # used when compiling the Python interpreter itself, including flags which
965 # would make the python-related objects be compiled differently from the
966 # rest of GDB (e.g., -O2 and -fPIC).
967 if test "${GCC}" = yes; then
968 tentative_python_cflags="-fno-strict-aliasing -fwrapv"
969 # Python headers recommend -DNDEBUG, but it's unclear if that just
970 # refers to building Python itself. In release mode, though, it
971 # doesn't hurt for the Python code in gdb to follow.
972 $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
975 if test "x${tentative_python_cflags}" != x; then
976 AC_MSG_CHECKING(compiler flags for python code)
977 for flag in ${tentative_python_cflags}; do
978 # Check that the compiler accepts it
979 saved_CFLAGS="$CFLAGS"
980 CFLAGS="$CFLAGS $flag"
982 [AC_LANG_PROGRAM([], [])],
983 [PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag"],
986 CFLAGS="$saved_CFLAGS"
988 AC_MSG_RESULT(${PYTHON_CFLAGS})
991 # On x64 Windows, Python's include headers, and pyconfig.h in
992 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
993 # version of Windows. Unfortunately, MS_WIN64 is only defined if
994 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
995 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
996 # The issue was reported to the Python community, but still isn't
997 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
1001 if test "${GCC}" = yes; then
1002 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1007 # Even if Python support is not compiled in, we need to have this file
1008 # included so that the "python" command, et.al., still exists.
1009 CONFIG_OBS="$CONFIG_OBS python/python.o"
1010 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1013 # Work around Python http://bugs.python.org/issue10112. See also
1014 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1015 # no effect. Note that the only test after this that uses Python is
1016 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1017 # run without -export-dynamic too.
1018 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1020 AC_SUBST(PYTHON_CFLAGS)
1021 AC_SUBST(PYTHON_CPPFLAGS)
1022 AC_SUBST(PYTHON_LIBS)
1023 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1025 # -------------------- #
1026 # Check for libguile. #
1027 # -------------------- #
1029 dnl Utility to simplify finding libguile.
1030 dnl $1 = pkg-config-program
1031 dnl $2 = space-separate list of guile versions to try
1032 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1033 dnl $4 = the shell variable to assign the result to
1034 dnl If libguile is found we store "yes" here.
1036 AC_DEFUN([AC_TRY_LIBGUILE],
1039 guile_version_list=$2
1041 define([have_libguile_var],$4)
1042 found_usable_guile=checking
1043 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1044 for guile_version in ${guile_version_list}; do
1045 ${pkg_config} --exists ${guile_version} 2>/dev/null
1046 if test $? != 0; then
1049 dnl pkg-config says the package exists, so if we get an error now,
1051 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1052 if test $? != 0; then
1053 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1055 new_LIBS=`${pkg_config} --libs ${guile_version}`
1056 if test $? != 0; then
1057 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1059 dnl If we get this far, great.
1060 found_usable_guile=${guile_version}
1063 if test "${found_usable_guile}" = "checking"; then
1064 if test "${flag_errors}" = "yes"; then
1065 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1067 found_usable_guile=no
1070 dnl One final sanity check.
1071 dnl The user could have said --with-guile=python-2.7.
1072 if test "${found_usable_guile}" != no; then
1073 save_CPPFLAGS=$CPPFLAGS
1075 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1076 LIBS="$LIBS $new_LIBS"
1077 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1078 [[scm_init_guile ();]])],
1079 [have_libguile_var=yes
1080 GUILE_CPPFLAGS=$new_CPPFLAGS
1081 GUILE_LIBS=$new_LIBS],
1082 [found_usable_guile=no])
1083 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1084 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1085 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1086 [Define if Guile supports manual finalization.])
1088 CPPFLAGS=$save_CPPFLAGS
1090 if test "${found_usable_guile}" = no; then
1091 if test "${flag_errors}" = yes; then
1092 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1096 AC_MSG_RESULT([${found_usable_guile}])
1099 dnl There are several different values for --with-guile:
1101 dnl no - Don't include guile support.
1102 dnl yes - Include guile support, error if it's missing.
1103 dnl The pkg-config program must be in $PATH.
1104 dnl auto - Same as "yes", but if guile is missing from the system,
1105 dnl fall back to "no".
1106 dnl guile-version [guile-version-choice-2 ...] -
1107 dnl A space-separated list of guile package versions to try.
1108 dnl These are passed to pkg-config as-is.
1109 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1110 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1111 dnl /path/to/pkg-config -
1112 dnl Use this pkg-config program.
1113 dnl NOTE: This needn't be the "real" pkg-config program.
1114 dnl It could be a shell script. It is invoked as:
1115 dnl pkg-config --exists $version
1116 dnl pkg-config --cflags $version
1117 dnl pkg-config --libs $version
1118 dnl pkg-config --variable guild $version
1119 dnl The script will be called with $version having each value in
1120 dnl $try_guile_versions until --exists indicates success.
1123 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1124 [], [with_guile=auto])
1125 AC_MSG_CHECKING([whether to use guile])
1126 AC_MSG_RESULT([$with_guile])
1128 dnl We check guile with pkg-config.
1129 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1131 try_guile_versions="guile-3.0 guile-2.2 guile-2.0"
1133 case "${with_guile}" in
1135 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1138 if test "${pkg_config_prog_path}" = "missing"; then
1139 AC_MSG_WARN([pkg-config not found, guile support disabled])
1141 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1145 if test "${pkg_config_prog_path}" = "missing"; then
1146 AC_MSG_ERROR([pkg-config not found])
1148 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1150 [[\\/]]* | ?:[[\\/]]*)
1151 if test -x "${with_guile}"; then
1152 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1154 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1158 # Disallow --with=guile="" and --with-guile=foo/bar.
1159 AC_MSG_ERROR([invalid value for --with-guile])
1162 # A space separate list of guile versions to try, in order.
1163 if test "${pkg_config_prog_path}" = "missing"; then
1164 AC_MSG_ERROR([pkg-config not found])
1166 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1170 if test "${have_libguile}" != no; then
1171 dnl Get the name of the 'guild' program.
1172 case "${with_guile}" in
1173 [[\\/]]* | ?:[[\\/]]*)
1174 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1177 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1181 dnl Make sure guild can handle this host.
1182 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1183 dnl If not, disable guile support.
1184 if test "$ac_cv_guild_ok" = no; then
1186 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1190 if test "${have_libguile}" != no; then
1191 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1192 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1193 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1194 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1195 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1196 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1198 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1200 save_CPPFLAGS="$CPPFLAGS"
1202 CPPFLAGS="$GUILE_CPPFLAGS"
1203 AC_CHECK_FUNCS([scm_new_smob])
1205 CPPFLAGS="$save_CPPFLAGS"
1207 # Even if Guile support is not compiled in, we need to have these files
1209 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1210 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1212 AC_SUBST(GUILE_CPPFLAGS)
1213 AC_SUBST(GUILE_LIBS)
1214 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1216 # ---------------------------- #
1217 # Check for source highlight. #
1218 # ---------------------------- #
1223 AC_ARG_ENABLE(source-highlight,
1224 AS_HELP_STRING([--enable-source-highlight],
1225 [enable source-highlight for source listings]),
1226 [case "${enableval}" in
1227 yes) enable_source_highlight=yes ;;
1228 no) enable_source_highlight=no ;;
1229 *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
1231 [enable_source_highlight=auto])
1233 if test "${enable_source_highlight}" != "no"; then
1234 AC_MSG_CHECKING([for the source-highlight library])
1235 if test "${pkg_config_prog_path}" = "missing"; then
1236 AC_MSG_RESULT([no - pkg-config not found])
1237 if test "${enable_source_highlight}" = "yes"; then
1238 AC_MSG_ERROR([pkg-config was not found in your system])
1241 if ${pkg_config_prog_path} --exists source-highlight; then
1244 AC_MSG_ERROR([source highlight is incompatible with -static-libstdc++; dnl
1245 either use --disable-source-highlight or dnl
1246 --without-static-standard-libraries])
1250 SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
1251 SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
1252 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1253 [Define to 1 if the source-highlight library is available])
1254 AC_MSG_RESULT([yes])
1257 if test "${enable_source_highlight}" = "yes"; then
1258 AC_MSG_ERROR([source-highlight was not found in your system])
1263 AC_SUBST(SRCHIGH_LIBS)
1264 AC_SUBST(SRCHIGH_CFLAGS)
1266 # ------------------------- #
1267 # Checks for header files. #
1268 # ------------------------- #
1271 # elf_hp.h is for HP/UX 64-bit shared library support.
1272 AC_CHECK_HEADERS([nlist.h machine/reg.h \
1274 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1275 sys/resource.h sys/ptrace.h ptrace.h \
1276 sys/reg.h sys/debugreg.h \
1277 termios.h elf_hp.h])
1278 AC_CHECK_HEADERS(sys/user.h, [], [],
1279 [#if HAVE_SYS_PARAM_H
1280 # include <sys/param.h>
1284 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1285 AC_CHECK_HEADERS(term.h, [], [],
1287 # include <curses.h>
1291 AC_CHECK_HEADERS([sys/socket.h])
1292 AC_CHECK_HEADERS([ws2tcpip.h])
1294 # ------------------------- #
1295 # Checks for declarations. #
1296 # ------------------------- #
1300 AC_CHECK_DECLS([snprintf])
1303 # ------------------ #
1304 # Checks for types. #
1305 # ------------------ #
1307 AC_CHECK_TYPES(socklen_t, [], [],
1308 [#include <sys/types.h>
1309 #if HAVE_SYS_SOCKET_H
1310 # include <sys/socket.h>
1311 #elif HAVE_WS2TCPIP_H
1312 # include <ws2tcpip.h>
1316 # ------------------------------------- #
1317 # Checks for compiler characteristics. #
1318 # ------------------------------------- #
1324 # ------------------------------ #
1325 # Checks for library functions. #
1326 # ------------------------------ #
1328 AC_CHECK_FUNCS([getuid getgid \
1329 pipe pread pread64 pwrite resize_term \
1331 sigaction sigsetmask socketpair \
1332 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1333 setrlimit getrlimit posix_madvise waitpid \
1334 use_default_colors])
1338 # Check the return and argument types of ptrace.
1341 dnl AC_FUNC_SETPGRP does not work when cross compiling
1342 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1343 if test "$cross_compiling" = no; then
1347 [whether setpgrp takes no argument],
1348 [ac_cv_func_setpgrp_void],
1351 [#include <unistd.h>],
1352 [if (setpgrp(1,1) == -1)
1357 [ac_cv_func_setpgrp_void=no],
1358 [ac_cv_func_setpgrp_void=yes]
1361 if test "$ac_cv_func_setpgrp_void" = yes; then
1362 AC_DEFINE(SETPGRP_VOID, 1)
1366 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1367 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1368 [#include <sys/param.h>
1369 #include <sys/proc.h>
1372 # See if <sys/lwp.h> defines `struct lwp`.
1375 [gdb_cv_struct_lwp],
1378 [#include <sys/param.h>
1380 #include <sys/lwp.h>],
1383 [gdb_cv_struct_lwp=yes],
1384 [gdb_cv_struct_lwp=no]
1387 if test "$gdb_cv_struct_lwp" = yes; then
1388 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1389 [Define to 1 if your system has struct lwp.])
1392 # See if <machine/reg.h> degines `struct reg'.
1394 [for struct reg in machine/reg.h],
1395 [gdb_cv_struct_reg],
1398 [#include <sys/types.h>
1399 #include <machine/reg.h>],
1402 [gdb_cv_struct_reg=yes],
1403 [gdb_cv_struct_reg=no]
1406 if test "$gdb_cv_struct_reg" = yes; then
1407 AC_DEFINE(HAVE_STRUCT_REG, 1,
1408 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1411 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1412 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1413 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1414 [#include <sys/types.h>
1415 #include <machine/reg.h>])
1417 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1418 AC_MSG_CHECKING(for PTRACE_GETREGS)
1420 [gdb_cv_have_ptrace_getregs],
1422 [AC_LANG_PROGRAM([#include <sys/ptrace.h>], [PTRACE_GETREGS;])],
1423 [gdb_cv_have_ptrace_getregs=yes],
1424 [gdb_cv_have_ptrace_getregs=no]
1427 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1428 if test "$gdb_cv_have_ptrace_getregs" = yes; then
1429 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1430 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1433 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1434 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1436 [gdb_cv_have_ptrace_getfpxregs],
1438 [AC_LANG_PROGRAM([#include <sys/ptrace.h>], [PTRACE_GETFPXREGS;])],
1439 [gdb_cv_have_ptrace_getfpxregs=yes],
1440 [gdb_cv_have_ptrace_getfpxregs=no]
1443 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1444 if test "$gdb_cv_have_ptrace_getfpxregs" = yes; then
1445 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1446 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1449 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1450 AC_MSG_CHECKING(for PT_GETDBREGS)
1452 [gdb_cv_have_pt_getdbregs],
1455 [#include <sys/types.h>
1456 #include <sys/ptrace.h>],
1459 [gdb_cv_have_pt_getdbregs=yes],
1460 [gdb_cv_have_pt_getdbregs=no]
1463 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1464 if test "$gdb_cv_have_pt_getdbregs" = yes; then
1465 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1466 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1469 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1470 AC_MSG_CHECKING(for PT_GETXMMREGS)
1472 [gdb_cv_have_pt_getxmmregs],
1475 [#include <sys/types.h>
1476 #include <sys/ptrace.h>],
1479 [gdb_cv_have_pt_getxmmregs=yes],
1480 [gdb_cv_have_pt_getxmmregs=no]
1483 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1484 if test "$gdb_cv_have_pt_getxmmregs" = yes; then
1485 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1486 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1489 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1490 # Older FreeBSD versions don't have the pl_tdname member of
1491 # `struct ptrace_lwpinfo'.
1492 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1493 [#include <sys/ptrace.h>])
1495 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1496 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1498 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1499 [#include <sys/ptrace.h>])
1501 # Check if the compiler supports the `long long' type.
1503 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1504 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1505 [[extern long long foo;]],
1506 [[switch (foo & 2) { case 0: return 1; }]])],
1507 gdb_cv_c_long_long=yes,
1508 gdb_cv_c_long_long=no)])
1509 if test "$gdb_cv_c_long_long" != yes; then
1510 # libdecnumber requires long long.
1511 AC_MSG_ERROR([Compiler must support long long for GDB.])
1514 # Check if the compiler and runtime support printing long longs.
1516 AC_CACHE_CHECK([for long long support in printf],
1517 gdb_cv_printf_has_long_long,
1518 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1521 l = (l << 16) + 0x0123;
1522 l = (l << 16) + 0x4567;
1523 l = (l << 16) + 0x89ab;
1524 l = (l << 16) + 0xcdef;
1525 sprintf (buf, "0x%016llx", l);
1526 return (strcmp ("0x0123456789abcdef", buf));]])],
1527 gdb_cv_printf_has_long_long=yes,
1528 gdb_cv_printf_has_long_long=no,
1529 gdb_cv_printf_has_long_long=no)])
1530 if test "$gdb_cv_printf_has_long_long" = yes; then
1531 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1532 [Define to 1 if the "%ll" format works to print long longs.])
1535 # Check if the compiler and runtime support printing decfloats.
1537 AC_CACHE_CHECK([for decfloat support in printf],
1538 gdb_cv_printf_has_decfloat,
1539 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1541 _Decimal32 d32 = 1.2345df;
1542 _Decimal64 d64 = 1.2345dd;
1543 _Decimal128 d128 = 1.2345dl;
1544 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1545 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1546 gdb_cv_printf_has_decfloat=yes,
1547 gdb_cv_printf_has_decfloat=no,
1548 gdb_cv_printf_has_decfloat=no)])
1549 if test "$gdb_cv_printf_has_decfloat" = yes; then
1550 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1551 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1554 # Check if the compiler supports the `long double' type. We can't use
1555 # AC_C_LONG_DOUBLE because that one does additional checks on the
1556 # constants defined in <float.h> that fail on some systems,
1557 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1559 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1560 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1561 gdb_cv_c_long_double=yes,
1562 gdb_cv_c_long_double=no)])
1563 if test "$gdb_cv_c_long_double" = yes; then
1564 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1565 [Define to 1 if the compiler supports long double.])
1568 # Check if the compiler and runtime support printing long doubles.
1570 AC_CACHE_CHECK([for long double support in printf],
1571 gdb_cv_printf_has_long_double,
1572 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1574 long double f = 3.141592653;
1575 sprintf (buf, "%Lg", f);
1576 return (strncmp ("3.14159", buf, 7));]])],
1577 gdb_cv_printf_has_long_double=yes,
1578 gdb_cv_printf_has_long_double=no,
1579 gdb_cv_printf_has_long_double=no)])
1580 if test "$gdb_cv_printf_has_long_double" = yes; then
1581 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1582 [Define to 1 if the "%Lg" format works to print long doubles.])
1585 # Check if the compiler and runtime support scanning long doubles.
1587 AC_CACHE_CHECK([for long double support in scanf],
1588 gdb_cv_scanf_has_long_double,
1589 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1590 [[#include <stdio.h>]],
1591 [[char *buf = "3.141592653";
1593 sscanf (buf, "%Lg", &f);
1594 return !(f > 3.14159 && f < 3.14160);]])],
1595 gdb_cv_scanf_has_long_double=yes,
1596 gdb_cv_scanf_has_long_double=no,
1597 gdb_cv_scanf_has_long_double=no)])
1598 if test "$gdb_cv_scanf_has_long_double" = yes; then
1599 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1600 [Define to 1 if the "%Lg" format works to scan long doubles.])
1606 [for -bbigtoc option], [gdb_cv_bigtoc],
1607 [SAVE_LDFLAGS=$LDFLAGS
1610 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1611 *) gdb_cv_bigtoc=-bbigtoc ;;
1614 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1616 [AC_LANG_PROGRAM([], [int i;])],
1620 LDFLAGS="${SAVE_LDFLAGS}"]
1622 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1626 AC_MSG_CHECKING(for the dynamic export flag)
1628 if test "${gdb_native}" = yes; then
1629 # The dynamically loaded libthread_db needs access to symbols in the gdb
1630 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1631 # may not be supported there.
1632 old_LDFLAGS="$LDFLAGS"
1633 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1634 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1635 LDFLAGS="$LDFLAGS $RDYNAMIC"
1636 if test "${have_libpython}" = no; then
1638 [AC_LANG_PROGRAM([], [])],
1639 [dynamic_list=true],
1643 # Workaround http://bugs.python.org/issue4434 where static
1644 # libpythonX.Y.a would get its symbols required for
1645 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1646 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1648 # Note the workaround for Python
1649 # http://bugs.python.org/issue10112 earlier has removed
1650 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1651 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1653 old_CFLAGS="$CFLAGS"
1654 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1656 LIBS="$LIBS $PYTHON_LIBS"
1657 old_CPPFLAGS="$CPPFLAGS"
1658 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1661 [#include "Python.h"],
1664 err = PyRun_SimpleString ("import ctypes\n");
1666 return err == 0 ? 0 : 1;])],
1667 [dynamic_list=true], [], [true])
1669 CFLAGS="$old_CFLAGS"
1670 CPPFLAGS="$old_CPPFLAGS"
1672 LDFLAGS="$old_LDFLAGS"
1674 if $dynamic_list; then
1675 found="-Wl,--dynamic-list"
1676 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1679 RDYNAMIC="-rdynamic"
1682 AC_MSG_RESULT($found)
1684 dnl For certain native configurations, we need to check whether thread
1685 dnl support can be built in or not.
1687 dnl Note that we only want this if we are both native (host == target),
1688 dnl and not doing a canadian cross build (build == host).
1690 if test "${build}" = "${host}" -a "${host}" = "${target}" ; then
1693 AC_MSG_CHECKING(for AiX thread debugging library)
1695 [gdb_cv_have_aix_thread_debug],
1698 [#include <sys/pthdebug.h>],
1699 [#ifndef PTHDB_VERSION_3
1703 [gdb_cv_have_aix_thread_debug=yes],
1704 [gdb_cv_have_aix_thread_debug=no]
1707 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1708 if test "$gdb_cv_have_aix_thread_debug" = yes; then
1709 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1710 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1711 LIBS="$LIBS -lpthdebug"
1713 # Older versions of AIX do not provide the declaration for
1714 # the getthrds function (it appears that it was introduced
1716 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1720 AC_SUBST(CONFIG_LDFLAGS)
1723 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1724 dnl other error codes.
1725 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1727 [whether <thread_db.h> has TD_NOTALLOC],
1728 [gdb_cv_thread_db_h_has_td_notalloc],
1731 [#include <thread_db.h>],
1732 [int i = TD_NOTALLOC;]
1734 [gdb_cv_thread_db_h_has_td_notalloc=yes],
1735 [gdb_cv_thread_db_h_has_td_notalloc=no]
1740 [whether <thread_db.h> has TD_VERSION],
1741 [gdb_cv_thread_db_h_has_td_version],
1744 [#include <thread_db.h>],
1745 [int i = TD_VERSION;]
1747 [gdb_cv_thread_db_h_has_td_version=yes],
1748 [gdb_cv_thread_db_h_has_td_version=no]
1753 [whether <thread_db.h> has TD_NOTLS],
1754 [gdb_cv_thread_db_h_has_td_notls],
1757 [#include <thread_db.h>],
1760 [gdb_cv_thread_db_h_has_td_notls=yes],
1761 [gdb_cv_thread_db_h_has_td_notls=no]
1765 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1766 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1767 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1769 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1770 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1771 [Define if <thread_db.h> has the TD_VERSION error code.])
1773 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1774 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1775 [Define if <thread_db.h> has the TD_NOTLS error code.])
1778 dnl Set the host's .gdbinit filename.
1787 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1789 dnl Set the host's .gdbearlyinit filename
1790 AC_DEFINE_UNQUOTED(GDBEARLYINIT,".gdbearlyinit",[The .gdbearlyinit filename.])
1792 dnl Handle optional features that can be enabled.
1794 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1795 # except that the argument to --with-sysroot is optional.
1796 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1797 if test "x$with_sysroot" = xyes; then
1798 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1800 AC_ARG_WITH(sysroot,
1801 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1802 [search for usr/lib et al within DIR]),
1803 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1804 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1805 [search for usr/lib et al within DIR])
1806 AC_SUBST(TARGET_SYSTEM_ROOT)
1807 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1809 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1810 [automatically load a system-wide gdbinit file],
1812 GDB_AC_WITH_DIR(SYSTEM_GDBINIT_DIR, system-gdbinit-dir,
1813 [automatically load system-wide gdbinit files from this directory],
1819 # In the Cygwin environment, we need some additional flags.
1820 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1821 [AC_EGREP_CPP(^lose$, [
1822 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1824 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1827 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1828 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1830 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1831 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1832 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1833 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1835 AC_SUBST(SER_HARDWIRE)
1837 # libreadline needs libuser32.a in a cygwin environment
1839 if test x"$gdb_cv_os_cygwin" = xyes; then
1840 WIN32LIBS="-luser32"
1842 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1847 # The ser-tcp.c module requires sockets.
1848 # Note that WIN32APILIBS is set by GDB_AC_COMMON.
1849 WIN32LIBS="$WIN32LIBS $WIN32APILIBS"
1851 # Add ELF support to GDB, but only if BFD includes ELF support.
1852 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1853 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1854 if test "$gdb_cv_var_elf" = yes; then
1855 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o \
1856 gcore-elf.o elf-none-tdep.o"
1857 AC_DEFINE(HAVE_ELF, 1,
1858 [Define if ELF support should be included.])
1859 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1860 if test "$plugins" = "yes"; then
1861 AC_SEARCH_LIBS(dlopen, dl)
1865 # Add macho support to GDB, but only if BFD includes it.
1866 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1867 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1868 if test "$gdb_cv_var_macho" = yes; then
1869 CONFIG_OBS="$CONFIG_OBS machoread.o"
1872 # Add any host-specific objects to GDB.
1873 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1875 # If building on ELF, look for lzma support for embedded compressed debug info.
1876 if test "$gdb_cv_var_elf" = yes; then
1878 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1879 [], [with_lzma=auto])
1880 AC_MSG_CHECKING([whether to use lzma])
1881 AC_MSG_RESULT([$with_lzma])
1883 if test "${with_lzma}" != no; then
1884 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1885 [lzma_index_iter iter;
1886 lzma_index_iter_init (&iter, 0);
1887 lzma_mf_is_supported (LZMA_MF_HC3);])
1888 if test "$HAVE_LIBLZMA" != yes; then
1889 if test "$with_lzma" = yes; then
1890 AC_MSG_ERROR([missing liblzma for --with-lzma])
1896 LIBGUI="../libgui/src/libgui.a"
1897 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1899 AC_SUBST(GUI_CFLAGS_X)
1903 AC_SUBST(WIN32LDAPP)
1906 *-*-cygwin* | *-*-mingw* )
1915 if test "${enable_gdbtk}" = "yes"; then
1917 # Gdbtk must have an absolute path to srcdir in order to run
1918 # properly when not installed.
1926 # If $no_tk is nonempty, then we can't do Tk, and there is no
1927 # point to doing Tcl.
1930 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1933 # Check for in-tree tcl
1940 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1944 # Find Tcl private headers
1945 if test x"${intree}" = xno; then
1946 CY_AC_TCL_PRIVATE_HEADERS
1947 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1948 TCL_LIBRARY="${TCL_LIB_SPEC}"
1951 # If building tcl in the same src tree, private headers
1952 # are not needed, but we need to be sure to use the right
1954 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1955 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1956 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1958 AC_SUBST(TCL_INCLUDE)
1959 AC_SUBST(TCL_LIBRARY)
1964 # Check for in-tree Tk
1966 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1970 # Find Tk private headers
1971 if test x"${intree}" = xno; then
1972 CY_AC_TK_PRIVATE_HEADERS
1973 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1974 TK_LIBRARY=${TK_LIB_SPEC}
1977 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1978 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1979 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1981 AC_SUBST(TK_INCLUDE)
1982 AC_SUBST(TK_LIBRARY)
1984 AC_SUBST(TK_XINCLUDES)
1986 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1988 # Include some libraries that Tcl and Tk want.
1989 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1990 # Yes, the ordering seems wrong here. But it isn't.
1991 # TK_LIBS is the list of libraries that need to be linked
1992 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1993 # were in LIBS then any link tests after this point would
1994 # try to include things like `$(LIBGUI)', which wouldn't work.
1995 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1997 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1998 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1999 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2000 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2001 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2002 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2003 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2005 if test x"$gdb_cv_os_cygwin" = xyes; then
2006 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2007 WIN32LDAPP="-Wl,--subsystem,console"
2008 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2011 AC_CONFIG_SUBDIRS(gdbtk)
2019 AC_SUBST(GDBTK_CFLAGS)
2020 AC_SUBST(GDBTK_SRC_DIR)
2024 # Unlike the sim directory, whether a simulator is linked is controlled by
2025 # presence of a gdb_sim definition in the target configure.tgt entry.
2026 # This code just checks for a few cases where we'd like to ignore those
2027 # definitions, even when they're present in the '.mt' file. These cases
2028 # are when --disable-sim is specified, or if the simulator directory is
2029 # not part of the source tree.
2032 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2033 [echo "enable_sim = $enable_sim";
2034 echo "enableval = ${enableval}";
2035 case "${enableval}" in
2036 yes) ignore_sim=false ;;
2037 no) ignore_sim=true ;;
2038 *) ignore_sim=false ;;
2042 if test ! -d "${srcdir}/../sim"; then
2048 if test "${ignore_sim}" = "false"; then
2049 if test x"${gdb_sim}" != x ; then
2051 SIM_OBS="remote-sim.o"
2052 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2054 # Some tdep code should only be compiled in when the ppc sim is
2055 # built. PR sim/13418.
2058 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2066 AC_SUBST(ENABLE_CFLAGS)
2067 AC_SUBST(PROFILE_CFLAGS)
2069 AC_SUBST(CONFIG_OBS)
2070 AC_SUBST(CONFIG_DEPS)
2071 AC_SUBST(CONFIG_SRCS)
2072 AC_SUBST(CONFIG_ALL)
2073 AC_SUBST(CONFIG_CLEAN)
2074 AC_SUBST(CONFIG_INSTALL)
2075 AC_SUBST(CONFIG_UNINSTALL)
2077 # List of host floatformats.
2078 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2079 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2080 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2082 # target_subdir is used by the testsuite to find the target libraries.
2084 if test "${host}" != "${target}"; then
2085 target_subdir="${target_alias}/"
2087 AC_SUBST(target_subdir)
2089 # Import nat definitions.
2090 nat_makefile_frag=/dev/null
2091 if test "${gdb_native}" = "yes"; then
2092 . ${srcdir}/configure.nat
2093 nativefile=$NAT_FILE
2097 AC_SUBST(NATDEPFILES)
2102 AC_SUBST(NAT_GENERATED_FILES)
2103 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2104 AC_SUBST_FILE(nat_makefile_frag)
2106 if test x"${gdb_osabi}" != x ; then
2107 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2108 [Define to the default OS ABI for this configuration.])
2111 # Check for babeltrace and babeltrace-ctf
2112 AC_ARG_WITH(babeltrace,
2113 AS_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2114 [], [with_babeltrace=auto])
2115 AC_MSG_CHECKING([whether to use babeltrace])
2116 AC_MSG_RESULT([$with_babeltrace])
2118 if test "x$with_babeltrace" = "xno"; then
2119 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2121 # Append -Werror to CFLAGS so that configure can catch the warning
2122 # "assignment from incompatible pointer type", which is related to
2123 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2124 # in GDB, while babeltrace 1.0.3 is broken.
2125 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2126 # safe to save and restore CFLAGS here.
2127 saved_CFLAGS=$CFLAGS
2128 CFLAGS="$CFLAGS -Werror"
2129 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2130 [#include <babeltrace/babeltrace.h>
2131 #include <babeltrace/ctf/events.h>
2132 #include <babeltrace/ctf/iterator.h>],
2133 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2134 struct bt_ctf_event *event = NULL;
2135 const struct bt_definition *scope;
2137 pos->type = BT_SEEK_BEGIN;
2138 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2139 scope = bt_ctf_get_top_level_scope (event,
2140 BT_STREAM_EVENT_HEADER);
2141 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2143 CFLAGS=$saved_CFLAGS
2145 if test "$HAVE_LIBBABELTRACE" != yes; then
2146 if test "$with_babeltrace" = yes; then
2147 AC_MSG_ERROR([babeltrace is missing or unusable])
2149 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2156 AS_HELP_STRING([--with-xxhash], [use libxxhash for hashing (faster) (auto/yes/no)]),
2157 [], [with_xxhash=auto])
2159 GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections])
2160 if test x${enable_static} = xno; then
2161 LIBCTF="-Wl,--rpath,../libctf/.libs ../libctf/.libs/libctf.so"
2162 CTF_DEPS="../libctf/.libs/libctf.so"
2164 LIBCTF="../libctf/.libs/libctf.a"
2167 if test "${enable_libctf}" = yes; then
2168 AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections])
2173 AC_SUBST(ENABLE_LIBCTF)
2177 # If nativefile (NAT_FILE) is not set in configure.nat, we link to an
2180 if test "x$with_xxhash" != "xno"; then
2181 AC_LIB_HAVE_LINKFLAGS([xxhash], [],
2182 [#include <xxhash.h>],
2183 [XXH32("foo", 3, 0);
2185 if test "$HAVE_LIBXXHASH" != yes; then
2186 if test "$with_xxhash" = yes; then
2187 AC_MSG_ERROR([xxhash is missing or unusable])
2190 if test "x$with_xxhash" = "xauto"; then
2191 with_xxhash="$HAVE_LIBXXHASH"
2195 AC_MSG_CHECKING([whether to use xxhash])
2196 AC_MSG_RESULT([$with_xxhash])
2200 if test "${nativefile}" != ""; then
2201 case "${nativefile}" in
2202 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2203 * ) GDB_NM_FILE="${nativefile}"
2205 AC_CONFIG_LINKS([nm.h:$GDB_NM_FILE], [echo > stamp-nmh],
2206 [GDB_NM_FILE=$GDB_NM_FILE])
2207 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2210 AC_SUBST(GDB_NM_FILE)
2213 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2214 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2215 if test "x$USE_MAINTAINER_MODE" = xyes; then
2216 if test "${XSLTPROC}" = missing; then
2217 AC_MSG_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2222 dnl Check for exe extension set on certain hosts (e.g. Win32)
2225 dnl Detect the character set used by this host.
2226 dnl At the moment, we just assume it's UTF-8.
2227 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2228 [Define to be a string naming the default host character set.])
2231 CONFIG_OBS="$CONFIG_OBS \$(SELFTESTS_OBS)"
2232 CONFIG_SRCS="$CONFIG_SRCS \$(SELFTESTS_SRCS)"
2235 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2236 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2237 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2238 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile])