1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2016 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.
23 AC_CONFIG_HEADER(config.h:config.in)
26 # Set the 'development' global.
27 . $srcdir/../bfd/development.sh
32 AC_USE_SYSTEM_EXTENSIONS
41 # We require a C++11 compiler. Check if one is available, and if
42 # necessary, set CXX_DIALECT to some -std=xxx switch.
43 AX_CXX_COMPILE_STDCXX(11, , mandatory)
45 # Dependency checking.
47 ZW_PROG_COMPILER_DEPENDENCIES([CC])
49 # Check for the 'make' the user wants to use.
50 AC_CHECK_PROGS(MAKE, make)
52 case "`$MAKE --version 2>&1 | sed 1q`" in
57 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
60 gnulib_extra_configure_args=
61 # If large-file support is disabled, make sure gnulib does the same.
62 if test "$enable_largefile" = no; then
63 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
66 # Configure gnulib. We need to build gnulib under some other
67 # directory not "gnulib", to avoid the problem of both GDB and
68 # GDBserver wanting to build it in the same directory, when building
70 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
71 ["$gnulib_extra_configure_args"])
73 dnl List of object files and targets accumulated by configure.
85 dnl Set up for gettext.
86 ZW_GNU_GETTEXT_SISTER_DIR
88 localedir='${datadir}/locale'
91 if test x"$USE_NLS" = xyes; then
92 CONFIG_ALL="$CONFIG_ALL all-po"
93 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
94 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
95 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
98 GNULIB=build-gnulib/import
100 # For Makefile dependencies.
102 if test x"$STDINT_H" != x; then
103 GNULIB_STDINT_H=$GNULIB/$STDINT_H
105 AC_SUBST(GNULIB_STDINT_H)
108 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
111 # We never need to detect it in this sub-configure.
112 # But preserve it for config.status --recheck.
114 [Parent configure detects if it is of sufficient version.])
115 AC_ARG_VAR(MAKEINFOFLAGS,
116 [Parameters for MAKEINFO.])
118 MAKEINFO_EXTRA_FLAGS=""
119 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
120 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
121 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
122 gdb_cv_have_makeinfo_click=yes
124 gdb_cv_have_makeinfo_click=no
126 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
127 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
129 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
131 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
132 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
135 # We can't pass paths as command line arguments.
136 # Mingw32 tries to be clever and will convert the paths for us.
137 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
138 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
139 # This breaks GDB's relocatable path conversions since paths passed in
140 # config.h would not get so translated, the path prefixes no longer match.
141 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
143 # GDB's datadir relocation
145 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
146 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
149 AC_ARG_WITH(relocated-sources,
150 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
151 [reloc_srcdir="${withval}"
152 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
153 [Relocated directory for source files. ])
156 AC_MSG_CHECKING([for default auto-load directory])
157 AC_ARG_WITH(auto-load-dir,
158 AS_HELP_STRING([--with-auto-load-dir=PATH],
159 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
160 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
161 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
162 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
163 [Directories from which to load auto-loaded scripts.])
164 AC_MSG_RESULT([$with_auto_load_dir])
166 AC_MSG_CHECKING([for default auto-load safe-path])
167 AC_ARG_WITH(auto-load-safe-path,
168 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
169 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
170 AS_HELP_STRING([--without-auto-load-safe-path],
171 [do not restrict auto-loaded files locations]),
172 [if test "$with_auto_load_safe_path" = "no"; then
173 with_auto_load_safe_path="/"
175 [with_auto_load_safe_path="$with_auto_load_dir"])
176 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
177 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
178 [Directories safe to hold auto-loaded files.])
179 AC_MSG_RESULT([$with_auto_load_safe_path])
181 AC_CONFIG_SUBDIRS(testsuite)
183 # Check whether to support alternative target configurations
184 AC_ARG_ENABLE(targets,
185 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
186 [case "${enableval}" in
187 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
189 no) enable_targets= ;;
190 *) enable_targets=$enableval ;;
193 # Check whether to enable 64-bit support on 32-bit hosts
194 AC_ARG_ENABLE(64-bit-bfd,
195 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
196 [case "${enableval}" in
199 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
200 esac],[want64=false])dnl
202 # Provide defaults for some variables set by the per-host and per-target
204 gdb_host_obs=posix-hdep.o
206 if test "${target}" = "${host}"; then
212 . $srcdir/configure.host
214 # Add in the common host objects.
215 . $srcdir/common/common.host
216 gdb_host_obs="$gdb_host_obs $common_host_obs"
218 # Accumulate some settings from configure.tgt over all enabled targets
222 HAVE_NATIVE_GCORE_TARGET=
224 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
226 if test "$targ_alias" = "all"; then
229 # Canonicalize the secondary target names.
230 result=`$ac_config_sub $targ_alias 2>/dev/null`
231 if test -n "$result"; then
237 . ${srcdir}/configure.tgt
239 AS_IF([test -z "${gdb_target_obs}"],
240 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
242 # Target-specific object files
243 for i in ${gdb_target_obs}; do
244 case " $TARGET_OBS " in
247 TARGET_OBS="$TARGET_OBS ${i}"
252 # Check whether this target needs 64-bit CORE_ADDR
253 if test x${want64} = xfalse; then
254 . ${srcdir}/../bfd/config.bfd
257 # Check whether this target is native and supports gcore.
258 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
259 && $gdb_have_gcore; then
260 HAVE_NATIVE_GCORE_TARGET=1
265 if test x${all_targets} = xtrue; then
267 # We want all 64-bit targets if we either:
268 # - run on a 64-bit host or
269 # - already require 64-bit support for some other target or
270 # - the --enable-64-bit-bfd option was supplied
271 # Otherwise we only support all 32-bit targets.
273 # NOTE: This test must be in sync with the corresponding
276 if test x${want64} = xfalse; then
277 AC_CHECK_SIZEOF(long)
278 if test "x${ac_cv_sizeof_long}" = "x8"; then
282 if test x${want64} = xtrue; then
283 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
285 TARGET_OBS='$(ALL_TARGET_OBS)'
290 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
292 # For other settings, only the main target counts.
296 targ=$target; . ${srcdir}/configure.tgt
298 # Fetch the default architecture and default target vector from BFD.
299 targ=$target; . $srcdir/../bfd/config.bfd
301 # We only want the first architecture, so strip off the others if
302 # there is more than one.
303 targ_archs=`echo $targ_archs | sed 's/ .*//'`
305 if test "x$targ_archs" != x; then
306 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
307 [Define to BFD's default architecture. ])
309 if test "x$targ_defvec" != x; then
310 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
311 [Define to BFD's default target vector. ])
314 # The CLI cannot be disabled yet, but may be in the future.
317 AC_ARG_ENABLE(gdbcli,
318 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
323 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
325 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
328 if test x"$enable_gdbcli" = xyes; then
329 if test -d $srcdir/cli; then
330 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
331 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
332 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
333 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
339 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
344 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
347 if test x"$enable_gdbmi" = xyes; then
348 if test -d $srcdir/mi; then
349 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
350 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
351 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
352 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
358 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
363 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
364 esac],enable_tui=auto)
368 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
373 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
375 [if test -d $srcdir/gdbtk; then
380 # We unconditionally disable gdbtk tests on selected platforms.
383 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
387 # Libunwind support for ia64.
389 AC_ARG_WITH(libunwind-ia64,
390 AS_HELP_STRING([--with-libunwind-ia64],
391 [use libunwind frame unwinding for ia64 targets]),,
392 [with_libunwind_ia64=auto])
394 # Backward compatibility option.
395 if test "${with_libunwind+set}" = set; then
396 if test x"$with_libunwind_ia64" != xauto; then
398 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
400 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
401 with_libunwind_ia64="$with_libunwind"
404 case "$with_libunwind_ia64" in
408 AC_CHECK_HEADERS(libunwind-ia64.h)
409 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
413 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
417 if test x"$with_libunwind_ia64" = xyes; then
418 AC_CHECK_HEADERS(libunwind-ia64.h)
419 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
420 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
422 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
423 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
424 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
428 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
431 if test "$opt_curses" = "yes"; then
436 AC_ARG_ENABLE(profiling,
437 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
442 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
444 [enable_profiling=no])
446 AC_CHECK_FUNCS(monstartup _mcleanup)
447 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
452 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
453 if test $ac_cv_var__etext = yes; then
454 AC_DEFINE(HAVE__ETEXT, 1,
455 [Define to 1 if your system has the _etext variable. ])
457 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
462 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
463 if test $ac_cv_var_etext = yes; then
464 AC_DEFINE(HAVE_ETEXT, 1,
465 [Define to 1 if your system has the etext variable. ])
467 if test "$enable_profiling" = yes ; then
468 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
469 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
473 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
475 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
476 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
477 ac_cv_cc_supports_pg=no)])
479 if test $ac_cv_cc_supports_pg = no; then
480 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
486 ACX_PKGVERSION([GDB])
487 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
488 AC_DEFINE_UNQUOTED([PKGVERSION], ["$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 # We need to link with -lw to get `wctype' on Solaris before Solaris
523 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
524 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
525 # is known to have this problem). Therefore we avoid libw if we can.
526 AC_CHECK_FUNC(wctype, [],
527 [AC_CHECK_LIB(w, wctype)])
529 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
530 AC_SEARCH_LIBS(gethostbyname, nsl)
532 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
533 AC_SEARCH_LIBS(socketpair, socket)
535 # Link in zlib if we can. This allows us to read compressed debug sections.
538 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
539 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
540 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
541 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
542 [Define to 1 if your system has the kinfo_getvmmap function. ])])
546 # GDB may fork/exec the iconv program to get the list of supported character
547 # sets. Allow the user to specify where to find it.
548 # There are several factors affecting the choice of option name:
549 # - There is already --with-libiconv-prefix but we can't use it, it specifies
550 # the build-time location of libiconv files.
551 # - The program we need to find is iconv, which comes with glibc. The user
552 # doesn't necessarily have libiconv installed. Therefore naming this
553 # --with-libiconv-foo feels wrong.
554 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
555 # defined to work on directories not files (though it really doesn't know
557 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
558 # with --with-libiconv-prefix.
559 # Putting these together is why the option name is --with-iconv-bin.
561 AC_ARG_WITH(iconv-bin,
562 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
563 [iconv_bin="${withval}"
564 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
565 [Path of directory of iconv program.])
566 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
569 # For the TUI, we need enhanced curses functionality.
570 if test x"$enable_tui" != xno; then
575 if test x"$prefer_curses" = xyes; then
576 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
577 # curses library because the latter might not provide all the
578 # functionality we need. However, this leads to problems on systems
579 # where the linker searches /usr/local/lib, but the compiler doesn't
580 # search /usr/local/include, if ncurses is installed in /usr/local. A
581 # default installation of ncurses on alpha*-dec-osf* will lead to such
583 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
585 if test "$ac_cv_search_waddstr" != no; then
590 # Check whether we should enable the TUI, but only do so if we really
592 if test x"$enable_tui" != xno; then
593 if test -d $srcdir/tui; then
594 if test "$curses_found" != no; then
595 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
596 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
597 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
598 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
600 if test x"$enable_tui" = xyes; then
601 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
603 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
609 # Since GDB uses Readline, we need termcap functionality. In many
610 # cases this will be provided by the curses library, but some systems
611 # have a seperate termcap library, or no curses library at all.
615 if test -d $srcdir/libtermcap; then
616 LIBS="../libtermcap/libtermcap.a $LIBS"
617 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
620 ac_cv_search_tgetent="none required"
624 # These are the libraries checked by Readline.
625 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
627 if test "$ac_cv_search_tgetent" = no; then
628 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
631 AC_ARG_WITH([system-readline],
632 [AS_HELP_STRING([--with-system-readline],
633 [use installed readline library])])
635 if test "$with_system_readline" = yes; then
639 READLINE_TEXI_INCFLAG=
641 READLINE='$(READLINE_DIR)/libreadline.a'
642 READLINE_DEPS='$(READLINE)'
643 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
644 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
647 AC_SUBST(READLINE_DEPS)
648 AC_SUBST(READLINE_CFLAGS)
649 AC_SUBST(READLINE_TEXI_INCFLAG)
651 # Generate jit-reader.h
653 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
656 AC_CHECK_SIZEOF(unsigned long long)
657 AC_CHECK_SIZEOF(unsigned long)
658 AC_CHECK_SIZEOF(unsigned __int128)
660 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
661 TARGET_PTR="unsigned long"
662 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
663 TARGET_PTR="unsigned long long"
664 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
665 TARGET_PTR="unsigned __int128"
667 TARGET_PTR="unsigned long"
671 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
673 AC_SEARCH_LIBS(dlopen, dl)
675 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
676 [directory to load the JIT readers from],
680 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
681 [], [with_expat=auto])
682 AC_MSG_CHECKING([whether to use expat])
683 AC_MSG_RESULT([$with_expat])
685 if test "${with_expat}" = no; then
686 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
689 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
690 [XML_Parser p = XML_ParserCreate (0);])
691 if test "$HAVE_LIBEXPAT" != yes; then
692 if test "$with_expat" = yes; then
693 AC_MSG_ERROR([expat is missing or unusable])
695 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
699 LIBS="$LIBS $LIBEXPAT"
700 AC_CHECK_FUNCS(XML_StopParser)
705 # --------------------- #
706 # Check for libpython. #
707 # --------------------- #
709 dnl Utility to simplify finding libpython.
711 dnl $2 = the shell variable to assign the result to
712 dnl If libpython is found we store $version here.
713 dnl $3 = additional flags to add to CPPFLAGS
714 dnl $4 = additional flags to add to LIBS
716 AC_DEFUN([AC_TRY_LIBPYTHON],
719 define([have_libpython_var],$2)
722 AC_MSG_CHECKING([for ${version}])
723 save_CPPFLAGS=$CPPFLAGS
725 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
726 LIBS="$LIBS $new_LIBS"
727 found_usable_python=no
728 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
729 [[Py_Initialize ();]]),
730 [have_libpython_var=${version}
731 found_usable_python=yes
732 PYTHON_CPPFLAGS=$new_CPPFLAGS
733 PYTHON_LIBS=$new_LIBS])
734 CPPFLAGS=$save_CPPFLAGS
736 AC_MSG_RESULT([${found_usable_python}])
739 dnl There are several different values for --with-python:
741 dnl no - Don't include python support.
742 dnl yes - Include python support, error if it's missing.
743 dnl If we find python in $PATH, use it to fetch configure options,
744 dnl otherwise assume the compiler can find it with no help from us.
745 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
746 dnl auto - Same as "yes", but if python is missing from the system,
747 dnl fall back to "no".
748 dnl /path/to/python/exec-prefix -
749 dnl Use the python located in this directory.
750 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
751 dnl the compilation parameters. Otherwise use
752 dnl -I/path/to/python/exec-prefix/include,
753 dnl -L/path/to/python/exec-prefix/lib.
754 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
755 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
756 dnl but is deprecated.
757 dnl /path/to/python/executable -
758 dnl Run python-config.py with this version of python to fetch the
759 dnl compilation parameters.
760 dnl NOTE: This needn't be the real python executable.
761 dnl In a cross-compilation scenario (build != host), this could be
762 dnl a shell script that provides what python-config.py provides for
763 dnl --ldflags, --includes, --exec-prefix.
764 dnl python-executable -
765 dnl Find python-executable in $PATH, and then handle the same as
766 dnl /path/to/python/executable.
768 dnl If a python program is specified, it is used to run python-config.py and
769 dnl is passed --ldflags, --includes, --exec-prefix.
772 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
773 [], [with_python=auto])
774 AC_MSG_CHECKING([whether to use python])
775 AC_MSG_RESULT([$with_python])
777 if test "${with_python}" = no; then
778 AC_MSG_WARN([python support disabled; some features may be unavailable.])
781 case "${with_python}" in
782 [[\\/]]* | ?:[[\\/]]*)
783 if test -d ${with_python}; then
784 # Assume the python binary is ${with_python}/bin/python.
785 python_prog="${with_python}/bin/python"
787 # If python does not exit ${with_python}/bin, then try in
788 # ${with_python}. On Windows/MinGW, this is where the Python
790 if test ! -x "${python_prog}"; then
791 python_prog="${with_python}/python"
794 if test ! -x "${python_prog}"; then
795 # Fall back to gdb 7.0/7.1 behaviour.
797 python_prefix=${with_python}
799 elif test -x "${with_python}"; then
800 # While we can't run python compiled for $host (unless host == build),
801 # the user could write a script that provides the needed information,
802 # so we support that.
803 python_prog=${with_python}
806 AC_ERROR(invalid value for --with-python)
810 # Disallow --with-python=foo/bar.
811 AC_ERROR(invalid value for --with-python)
814 # The user has either specified auto, yes, or the name of the python
815 # program assumed to be in $PATH.
817 case "${with_python}" in
819 if test ${build} = ${host}; then
820 AC_PATH_PROG(python_prog_path, python, missing)
821 if test "${python_prog_path}" = missing; then
824 python_prog=${python_prog_path}
827 # Not much we can do except assume the cross-compiler will find the
833 # While we can't run python compiled for $host (unless host == build),
834 # the user could write a script that provides the needed information,
835 # so we support that.
836 python_prog="${with_python}"
837 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
838 if test "${python_prog_path}" = missing; then
839 AC_ERROR(unable to find python program ${python_prog})
845 if test "${python_prog}" != missing; then
846 # We have a python program to use, but it may be too old.
847 # Don't flag an error for --with-python=auto (the default).
848 have_python_config=yes
849 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
850 if test $? != 0; then
851 have_python_config=failed
852 if test "${with_python}" != auto; then
853 AC_ERROR(failure running python-config --includes)
856 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
857 if test $? != 0; then
858 have_python_config=failed
859 if test "${with_python}" != auto; then
860 AC_ERROR(failure running python-config --ldflags)
863 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
864 if test $? != 0; then
865 have_python_config=failed
866 if test "${with_python}" != auto; then
867 AC_ERROR(failure running python-config --exec-prefix)
871 # We do not have a python executable we can use to determine where
872 # to find the Python headers and libs. We cannot guess the include
873 # path from the python_prefix either, because that include path
874 # depends on the Python version. So, there is nothing much we can
875 # do except assume that the compiler will be able to find those files.
878 have_python_config=no
881 # If we have python-config, only try the configuration it provides.
882 # Otherwise fallback on the old way of trying different versions of
886 if test "${have_python_config}" = yes; then
887 # Determine the Python version by extracting "-lpython<version>"
888 # part of the python_libs. <version> is usually X.Y with X and Y
889 # being decimal numbers, but can also be XY (seen on Windows).
891 # The extraction is performed using sed with a regular expression.
892 # Initially, the regexp used was using the '?' quantifier to make
893 # the dot in the version number optional. Unfortunately, this
894 # does not work with non-GNU versions of sed because, because of
895 # what looks like a limitation (the '?' quantifier does not work
896 # with back-references). We work around this limitation by using
897 # the '*' quantifier instead. It means that, in theory, we might
898 # match unexpected version strings such as "-lpython2..7", but
899 # this seems unlikely in practice. And even if that happens,
900 # an error will be triggered later on, when checking that version
902 python_version=`echo " ${python_libs} " \
903 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
904 case "${python_version}" in
906 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
907 ${python_includes}, ${python_libs})
910 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
913 elif test "${have_python_config}" != failed; then
914 if test "${have_libpython}" = no; then
915 AC_TRY_LIBPYTHON(python2.7, have_libpython,
916 ${python_includes}, "${python_libs} -lpython2.7")
918 if test "${have_libpython}" = no; then
919 AC_TRY_LIBPYTHON(python2.6, have_libpython,
920 ${python_includes}, "${python_libs} -lpython2.6")
922 if test ${have_libpython} = no; then
923 AC_TRY_LIBPYTHON(python2.5, have_libpython,
924 ${python_includes}, "${python_libs} -lpython2.5")
926 if test ${have_libpython} = no; then
927 AC_TRY_LIBPYTHON(python2.4, have_libpython,
928 ${python_includes}, "${python_libs} -lpython2.4")
931 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
932 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
933 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
934 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
935 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
936 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
937 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
938 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
941 if test "${have_libpython}" = no; then
942 case "${with_python}" in
944 AC_MSG_ERROR([python is missing or unusable])
947 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
950 AC_MSG_ERROR([no usable python found at ${with_python}])
954 if test -n "${python_prefix}"; then
955 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
956 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
957 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
962 if test "${have_libpython}" != no; then
963 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
964 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
965 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
966 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
967 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
968 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
970 # Flags needed to compile Python code (taken from python-config --cflags).
971 # We cannot call python-config directly because it will output whatever was
972 # used when compiling the Python interpreter itself, including flags which
973 # would make the python-related objects be compiled differently from the
974 # rest of GDB (e.g., -O2 and -fPIC).
975 if test "${GCC}" = yes; then
976 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
979 if test "x${tentative_python_cflags}" != x; then
980 AC_MSG_CHECKING(compiler flags for python code)
981 for flag in ${tentative_python_cflags}; do
982 # Check that the compiler accepts it
983 saved_CFLAGS="$CFLAGS"
984 CFLAGS="$CFLAGS $flag"
985 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${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="$CPPFLAGS -DMS_WIN64"
1007 # Note that "python -m threading" cannot be used to check for
1008 # threading support due to a bug in Python 2.7.3
1009 # (http://bugs.python.org/issue15567).
1010 AC_MSG_CHECKING(whether python supports threads)
1011 saved_CPPFLAGS="${CPPFLAGS}"
1012 CPPFLAGS="${PYTHON_CPPFLAGS}"
1013 # Note that the test is reversed so that python_has_threads=yes on
1014 # unexpected failures.
1015 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1020 ]]), [python_has_threads=no], [python_has_threads=yes])
1021 AC_MSG_RESULT(${python_has_threads})
1022 CPPFLAGS="${saved_CPPFLAGS}"
1024 # Even if Python support is not compiled in, we need to have this file
1025 # included so that the "python" command, et.al., still exists.
1026 CONFIG_OBS="$CONFIG_OBS python.o"
1027 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1030 # Work around Python http://bugs.python.org/issue10112. See also
1031 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
1032 # no effect. Note that the only test after this that uses Python is
1033 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
1034 # run without -export-dynamic too.
1035 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
1037 AC_SUBST(PYTHON_CFLAGS)
1038 AC_SUBST(PYTHON_CPPFLAGS)
1039 AC_SUBST(PYTHON_LIBS)
1040 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1042 # -------------------- #
1043 # Check for libguile. #
1044 # -------------------- #
1046 dnl Utility to simplify finding libguile.
1047 dnl $1 = pkg-config-program
1048 dnl $2 = space-separate list of guile versions to try
1049 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1050 dnl $4 = the shell variable to assign the result to
1051 dnl If libguile is found we store "yes" here.
1053 AC_DEFUN([AC_TRY_LIBGUILE],
1056 guile_version_list=$2
1058 define([have_libguile_var],$4)
1059 found_usable_guile=checking
1060 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1061 for guile_version in ${guile_version_list}; do
1062 ${pkg_config} --exists ${guile_version} 2>/dev/null
1063 if test $? != 0; then
1066 dnl pkg-config says the package exists, so if we get an error now,
1068 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1069 if test $? != 0; then
1070 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1072 new_LIBS=`${pkg_config} --libs ${guile_version}`
1073 if test $? != 0; then
1074 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1076 dnl If we get this far, great.
1077 found_usable_guile=${guile_version}
1080 if test "${found_usable_guile}" = "checking"; then
1081 if test "${flag_errors}" = "yes"; then
1082 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1084 found_usable_guile=no
1087 dnl One final sanity check.
1088 dnl The user could have said --with-guile=python-2.7.
1089 if test "${found_usable_guile}" != no; then
1090 save_CPPFLAGS=$CPPFLAGS
1092 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1093 LIBS="$LIBS $new_LIBS"
1094 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1095 [[scm_init_guile ();]]),
1096 [have_libguile_var=yes
1097 GUILE_CPPFLAGS=$new_CPPFLAGS
1098 GUILE_LIBS=$new_LIBS],
1099 [found_usable_guile=no])
1100 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1101 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1102 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1103 [Define if Guile supports manual finalization.])
1105 CPPFLAGS=$save_CPPFLAGS
1107 if test "${found_usable_guile}" = no; then
1108 if test "${flag_errors}" = yes; then
1109 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1113 AC_MSG_RESULT([${found_usable_guile}])
1116 dnl There are several different values for --with-guile:
1118 dnl no - Don't include guile support.
1119 dnl yes - Include guile support, error if it's missing.
1120 dnl The pkg-config program must be in $PATH.
1121 dnl auto - Same as "yes", but if guile is missing from the system,
1122 dnl fall back to "no".
1123 dnl guile-version [guile-version-choice-2 ...] -
1124 dnl A space-separated list of guile package versions to try.
1125 dnl These are passed to pkg-config as-is.
1126 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1127 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1128 dnl /path/to/pkg-config -
1129 dnl Use this pkg-config program.
1130 dnl NOTE: This needn't be the "real" pkg-config program.
1131 dnl It could be a shell script. It is invoked as:
1132 dnl pkg-config --exists $version
1133 dnl pkg-config --cflags $version
1134 dnl pkg-config --libs $version
1135 dnl pkg-config --variable guild $version
1136 dnl The script will be called with $version having each value in
1137 dnl $try_guile_versions until --exists indicates success.
1140 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1141 [], [with_guile=auto])
1142 AC_MSG_CHECKING([whether to use guile])
1143 AC_MSG_RESULT([$with_guile])
1145 dnl We check guile with pkg-config.
1146 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1148 try_guile_versions="guile-2.2 guile-2.0"
1150 case "${with_guile}" in
1152 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1155 if test "${pkg_config_prog_path}" = "missing"; then
1156 AC_MSG_WARN([pkg-config not found, guile support disabled])
1158 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1162 if test "${pkg_config_prog_path}" = "missing"; then
1163 AC_MSG_ERROR([pkg-config not found])
1165 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1167 [[\\/]]* | ?:[[\\/]]*)
1168 if test -x "${with_guile}"; then
1169 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1171 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1175 # Disallow --with=guile="" and --with-guile=foo/bar.
1176 AC_MSG_ERROR([invalid value for --with-guile])
1179 # A space separate list of guile versions to try, in order.
1180 if test "${pkg_config_prog_path}" = "missing"; then
1181 AC_MSG_ERROR([pkg-config not found])
1183 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1187 if test "${have_libguile}" != no; then
1188 dnl Get the name of the 'guild' program.
1189 case "${with_guile}" in
1190 [[\\/]]* | ?:[[\\/]]*)
1191 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1194 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1198 dnl Make sure guild can handle this host.
1199 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1200 dnl If not, disable guile support.
1201 if test "$ac_cv_guild_ok" = no; then
1203 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1207 if test "${have_libguile}" != no; then
1208 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1209 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1210 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1211 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1212 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1213 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1215 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1217 save_CPPFLAGS="$CPPFLAGS"
1219 CPPFLAGS="$GUILE_CPPFLAGS"
1220 AC_CHECK_FUNCS([scm_new_smob])
1222 CPPFLAGS="$save_CPPFLAGS"
1224 # Even if Guile support is not compiled in, we need to have these files
1226 CONFIG_OBS="$CONFIG_OBS guile.o"
1227 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1229 AC_SUBST(GUILE_CPPFLAGS)
1230 AC_SUBST(GUILE_LIBS)
1231 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1233 # --------------------- #
1234 # Check for libmcheck. #
1235 # --------------------- #
1237 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1238 # but turn it off if Python is enabled with threads, since -lmcheck is
1239 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1241 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1242 && $development; then
1243 libmcheck_default=yes
1245 libmcheck_default=no
1247 GDB_AC_LIBMCHECK(${libmcheck_default})
1249 if test "$ENABLE_LIBMCHECK" = "yes" \
1250 -a "${have_libpython}" != "no" \
1251 -a "${python_has_threads}" = "yes" ; then
1252 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1255 AC_ARG_WITH(intel_pt,
1256 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1257 [], [with_intel_pt=auto])
1258 AC_MSG_CHECKING([whether to use intel pt])
1259 AC_MSG_RESULT([$with_intel_pt])
1261 if test "${with_intel_pt}" = no; then
1262 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1265 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1266 #include <linux/perf_event.h>
1267 #ifndef PERF_ATTR_SIZE_VER5
1270 ]]), [perf_event=yes], [perf_event=no])
1271 if test "$perf_event" != yes; then
1272 if test "$with_intel_pt" = yes; then
1273 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1275 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1279 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1280 if test "$HAVE_LIBIPT" != yes; then
1281 if test "$with_intel_pt" = yes; then
1282 AC_MSG_ERROR([libipt is missing or unusable])
1284 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1289 # ------------------------- #
1290 # Checks for header files. #
1291 # ------------------------- #
1294 # elf_hp.h is for HP/UX 64-bit shared library support.
1295 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1298 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1299 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1300 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1301 termios.h termio.h \
1304 AC_CHECK_HEADERS(sys/proc.h, [], [],
1305 [#if HAVE_SYS_PARAM_H
1306 # include <sys/param.h>
1309 AC_CHECK_HEADERS(sys/user.h, [], [],
1310 [#if HAVE_SYS_PARAM_H
1311 # include <sys/param.h>
1315 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1316 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1317 # think that we don't have <curses.h> if we're using GCC.
1320 if test "$GCC" = yes; then
1321 AC_DEFINE(_MSE_INT_H, 1,
1322 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1323 Solaris 2.[789] when using GCC. ])
1326 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1327 AC_CHECK_HEADERS(term.h, [], [],
1329 # include <curses.h>
1333 # ------------------------- #
1334 # Checks for declarations. #
1335 # ------------------------- #
1339 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1342 # ----------------------- #
1343 # Checks for structures. #
1344 # ----------------------- #
1346 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1348 # ------------------ #
1349 # Checks for types. #
1350 # ------------------ #
1352 AC_CHECK_TYPES(socklen_t, [], [],
1353 [#include <sys/types.h>
1354 #include <sys/socket.h>
1357 # ------------------------------------- #
1358 # Checks for compiler characteristics. #
1359 # ------------------------------------- #
1365 # ------------------------------ #
1366 # Checks for library functions. #
1367 # ------------------------------ #
1371 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1372 pipe poll pread pread64 pwrite resize_term \
1373 sbrk setpgid setpgrp setsid \
1374 sigaction sigprocmask sigsetmask socketpair \
1375 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1376 setrlimit getrlimit posix_madvise waitpid \
1377 ptrace64 sigaltstack mkdtemp setns])
1381 # Check the return and argument types of ptrace.
1384 dnl AC_FUNC_SETPGRP does not work when cross compiling
1385 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1386 if test "$cross_compiling" = no; then
1389 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1393 if (setpgrp(1,1) == -1)
1397 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1398 if test $ac_cv_func_setpgrp_void = yes; then
1399 AC_DEFINE(SETPGRP_VOID, 1)
1403 # Assume we'll default to using the included libiberty regex.
1404 gdb_use_included_regex=yes
1406 # However, if the system regex is GNU regex, then default to *not*
1407 # using the included regex.
1410 [gdb_cv_have_gnu_regex],
1412 [#include <gnu-versions.h>],
1413 [#define REGEX_INTERFACE_VERSION 1
1414 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1415 # error "Version mismatch"
1417 gdb_cv_have_gnu_regex=yes,
1418 gdb_cv_have_gnu_regex=no)])
1419 if test $gdb_cv_have_gnu_regex = yes; then
1420 gdb_use_included_regex=no
1423 AC_ARG_WITH(included-regex,
1424 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1425 gdb_with_regex=$withval,
1426 gdb_with_regex=$gdb_use_included_regex)
1427 if test "$gdb_with_regex" = yes; then
1428 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1429 [Define to 1 if the regex included in libiberty should be used.])
1432 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1433 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1434 [#include <sys/param.h>
1435 #include <sys/proc.h>
1438 # See if <sys/lwp.h> defines `struct lwp`.
1439 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1440 [AC_TRY_COMPILE([#include <sys/param.h>
1441 #include <sys/lwp.h>], [struct lwp l;],
1442 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1443 if test $gdb_cv_struct_lwp = yes; then
1444 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1445 [Define to 1 if your system has struct lwp.])
1448 # See if <machine/reg.h> degines `struct reg'.
1449 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1450 [AC_TRY_COMPILE([#include <sys/types.h>
1451 #include <machine/reg.h>], [struct reg r;],
1452 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1453 if test $gdb_cv_struct_reg = yes; then
1454 AC_DEFINE(HAVE_STRUCT_REG, 1,
1455 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1458 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1459 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1460 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1461 [#include <sys/types.h>
1462 #include <machine/reg.h>])
1464 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1465 # Older amd64 Linux's don't have the fs_base and gs_base members of
1466 # `struct user_regs_struct'.
1467 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1468 [], [], [#include <sys/user.h>])
1470 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1471 AC_MSG_CHECKING(for PTRACE_GETREGS)
1472 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1473 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1475 [gdb_cv_have_ptrace_getregs=yes],
1476 [gdb_cv_have_ptrace_getregs=no])])
1477 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1478 if test $gdb_cv_have_ptrace_getregs = yes; then
1479 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1480 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1483 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1484 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1485 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1486 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1487 [PTRACE_GETFPXREGS;],
1488 [gdb_cv_have_ptrace_getfpxregs=yes],
1489 [gdb_cv_have_ptrace_getfpxregs=no])])
1490 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1491 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1492 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1493 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1496 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1497 AC_MSG_CHECKING(for PT_GETDBREGS)
1498 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1499 [AC_TRY_COMPILE([#include <sys/types.h>
1500 #include <sys/ptrace.h>],
1502 [gdb_cv_have_pt_getdbregs=yes],
1503 [gdb_cv_have_pt_getdbregs=no])])
1504 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1505 if test $gdb_cv_have_pt_getdbregs = yes; then
1506 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1507 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1510 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1511 AC_MSG_CHECKING(for PT_GETXMMREGS)
1512 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1513 [AC_TRY_COMPILE([#include <sys/types.h>
1514 #include <sys/ptrace.h>],
1516 [gdb_cv_have_pt_getxmmregs=yes],
1517 [gdb_cv_have_pt_getxmmregs=no])])
1518 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1519 if test $gdb_cv_have_pt_getxmmregs = yes; then
1520 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1521 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1524 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1525 # Older FreeBSD versions don't have the pl_tdname member of
1526 # `struct ptrace_lwpinfo'.
1527 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1528 [#include <sys/ptrace.h>])
1530 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1531 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1533 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1534 [#include <sys/ptrace.h>])
1536 # Detect which type of /proc is in use, such as for Solaris.
1538 if test "${target}" = "${host}"; then
1540 *-*-sysv4.2* | *-*-sysv5* )
1541 AC_DEFINE(NEW_PROC_API, 1,
1542 [Define if you want to use new multi-fd /proc interface.])
1544 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1545 AC_DEFINE(NEW_PROC_API, 1,
1546 [Define if you want to use new multi-fd /proc interface.])
1551 if test "$ac_cv_header_sys_procfs_h" = yes; then
1552 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1553 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1554 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1555 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1556 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1557 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1558 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1559 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1560 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1561 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1562 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1565 dnl Check for broken prfpregset_t type
1567 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1568 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1569 dnl instead of the struct itself). We detect this here, and work
1570 dnl around it in gdb_proc_service.h.
1572 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1573 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1574 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1575 [AC_TRY_RUN([#include <sys/procfs.h>
1578 if (sizeof (prfpregset_t) == sizeof (void *))
1582 gdb_cv_prfpregset_t_broken=no,
1583 gdb_cv_prfpregset_t_broken=yes,
1584 gdb_cv_prfpregset_t_broken=yes)])
1585 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1586 if test $gdb_cv_prfpregset_t_broken = yes; then
1587 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1588 [Define if the prfpregset_t type is broken.])
1593 # Check if the compiler supports the `long long' type.
1595 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1596 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1597 [[extern long long foo;]],
1598 [[switch (foo & 2) { case 0: return 1; }]])],
1599 gdb_cv_c_long_long=yes,
1600 gdb_cv_c_long_long=no)])
1601 if test $gdb_cv_c_long_long != yes; then
1602 # libdecnumber requires long long.
1603 AC_MSG_ERROR([Compiler must support long long for GDB.])
1606 # Check if the compiler and runtime support printing long longs.
1608 AC_CACHE_CHECK([for long long support in printf],
1609 gdb_cv_printf_has_long_long,
1610 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1613 l = (l << 16) + 0x0123;
1614 l = (l << 16) + 0x4567;
1615 l = (l << 16) + 0x89ab;
1616 l = (l << 16) + 0xcdef;
1617 sprintf (buf, "0x%016llx", l);
1618 return (strcmp ("0x0123456789abcdef", buf));]])],
1619 gdb_cv_printf_has_long_long=yes,
1620 gdb_cv_printf_has_long_long=no,
1621 gdb_cv_printf_has_long_long=no)])
1622 if test $gdb_cv_printf_has_long_long = yes; then
1623 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1624 [Define to 1 if the "%ll" format works to print long longs.])
1627 # Check if the compiler and runtime support printing decfloats.
1629 AC_CACHE_CHECK([for decfloat support in printf],
1630 gdb_cv_printf_has_decfloat,
1631 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1633 _Decimal32 d32 = 1.2345df;
1634 _Decimal64 d64 = 1.2345dd;
1635 _Decimal128 d128 = 1.2345dl;
1636 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1637 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1638 gdb_cv_printf_has_decfloat=yes,
1639 gdb_cv_printf_has_decfloat=no,
1640 gdb_cv_printf_has_decfloat=no)])
1641 if test $gdb_cv_printf_has_decfloat = yes; then
1642 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1643 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1646 # Check if the compiler supports the `long double' type. We can't use
1647 # AC_C_LONG_DOUBLE because that one does additional checks on the
1648 # constants defined in <float.h> that fail on some systems,
1649 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1651 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1652 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1653 gdb_cv_c_long_double=yes,
1654 gdb_cv_c_long_double=no)])
1655 if test $gdb_cv_c_long_double = yes; then
1656 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1657 [Define to 1 if the compiler supports long double.])
1660 # Check if the compiler and runtime support printing long doubles.
1662 AC_CACHE_CHECK([for long double support in printf],
1663 gdb_cv_printf_has_long_double,
1664 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1666 long double f = 3.141592653;
1667 sprintf (buf, "%Lg", f);
1668 return (strncmp ("3.14159", buf, 7));]])],
1669 gdb_cv_printf_has_long_double=yes,
1670 gdb_cv_printf_has_long_double=no,
1671 gdb_cv_printf_has_long_double=no)])
1672 if test $gdb_cv_printf_has_long_double = yes; then
1673 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1674 [Define to 1 if the "%Lg" format works to print long doubles.])
1677 # Check if the compiler and runtime support scanning long doubles.
1679 AC_CACHE_CHECK([for long double support in scanf],
1680 gdb_cv_scanf_has_long_double,
1681 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1682 [[#include <stdio.h>]],
1683 [[char *buf = "3.141592653";
1685 sscanf (buf, "%Lg", &f);
1686 return !(f > 3.14159 && f < 3.14160);]])],
1687 gdb_cv_scanf_has_long_double=yes,
1688 gdb_cv_scanf_has_long_double=no,
1689 gdb_cv_scanf_has_long_double=no)])
1690 if test $gdb_cv_scanf_has_long_double = yes; then
1691 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1692 [Define to 1 if the "%Lg" format works to scan long doubles.])
1697 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1698 SAVE_LDFLAGS=$LDFLAGS
1701 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1702 *) gdb_cv_bigtoc=-bbigtoc ;;
1705 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1706 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1707 LDFLAGS="${SAVE_LDFLAGS}"
1709 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1713 AC_MSG_CHECKING(for the dynamic export flag)
1715 if test "${gdb_native}" = yes; then
1716 # The dynamically loaded libthread_db needs access to symbols in the gdb
1717 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1718 # may not be supported there.
1719 old_LDFLAGS="$LDFLAGS"
1720 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1721 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1722 LDFLAGS="$LDFLAGS $RDYNAMIC"
1723 if test "${have_libpython}" = no; then
1724 AC_TRY_LINK([], [], [dynamic_list=true])
1726 # Workaround http://bugs.python.org/issue4434 where static
1727 # libpythonX.Y.a would get its symbols required for
1728 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1729 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1731 # Note the workaround for Python
1732 # http://bugs.python.org/issue10112 earlier has removed
1733 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1734 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1736 old_CFLAGS="$CFLAGS"
1737 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1739 LIBS="$LIBS $PYTHON_LIBS"
1740 old_CPPFLAGS="$CPPFLAGS"
1741 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1744 [#include "Python.h"],
1747 err = PyRun_SimpleString ("import itertools\n");
1749 return err == 0 ? 0 : 1;]),
1750 [dynamic_list=true], [], [true])
1752 CFLAGS="$old_CFLAGS"
1753 CPPFLAGS="$old_CPPFLAGS"
1755 LDFLAGS="$old_LDFLAGS"
1757 if $dynamic_list; then
1758 found="-Wl,--dynamic-list"
1759 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1762 RDYNAMIC="-rdynamic"
1765 AC_MSG_RESULT($found)
1767 dnl For certain native configurations, we need to check whether thread
1768 dnl support can be built in or not.
1770 dnl Note that we only want this if we are both native (host == target),
1771 dnl and not doing a canadian cross build (build == host).
1773 if test ${build} = ${host} -a ${host} = ${target} ; then
1776 # See if thread_db library is around for Solaris thread debugging.
1777 # Note that we must explicitly test for version 1 of the library
1778 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1780 AC_MSG_CHECKING(for Solaris thread debugging library)
1781 if test -f /usr/lib/libthread_db.so.1 ; then
1783 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1784 [Define if using Solaris thread debugging.])
1785 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1786 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1787 AC_CHECK_LIB(dl, dlopen)
1788 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1789 # Sun randomly tweaked the prototypes in <proc_service.h>
1791 AC_MSG_CHECKING(if <proc_service.h> is old)
1792 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1794 #include <proc_service.h>
1796 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1797 ],, gdb_cv_proc_service_is_old=no,
1798 gdb_cv_proc_service_is_old=yes)
1800 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1801 if test $gdb_cv_proc_service_is_old = yes; then
1802 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1803 [Define if <proc_service.h> on solaris uses int instead of
1804 size_t, and assorted other type changes.])
1811 AC_MSG_CHECKING(for AiX thread debugging library)
1812 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1813 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1814 [#ifndef PTHDB_VERSION_3
1817 gdb_cv_have_aix_thread_debug=yes,
1818 gdb_cv_have_aix_thread_debug=no)])
1819 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1820 if test $gdb_cv_have_aix_thread_debug = yes; then
1821 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1822 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1823 LIBS="$LIBS -lpthdebug"
1825 # Older versions of AIX do not provide the declaration for
1826 # the getthrds function (it appears that it was introduced
1828 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1832 AC_SUBST(CONFIG_LDFLAGS)
1835 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1836 dnl other error codes.
1837 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1838 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1839 gdb_cv_thread_db_h_has_td_notalloc,
1841 [#include <thread_db.h>],
1842 [int i = TD_NOTALLOC;],
1843 gdb_cv_thread_db_h_has_td_notalloc=yes,
1844 gdb_cv_thread_db_h_has_td_notalloc=no
1847 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1848 gdb_cv_thread_db_h_has_td_version,
1850 [#include <thread_db.h>],
1851 [int i = TD_VERSION;],
1852 gdb_cv_thread_db_h_has_td_version=yes,
1853 gdb_cv_thread_db_h_has_td_version=no
1856 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1857 gdb_cv_thread_db_h_has_td_notls,
1859 [#include <thread_db.h>],
1860 [int i = TD_NOTLS;],
1861 gdb_cv_thread_db_h_has_td_notls=yes,
1862 gdb_cv_thread_db_h_has_td_notls=no
1866 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1867 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1868 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1870 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1871 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1872 [Define if <thread_db.h> has the TD_VERSION error code.])
1874 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1875 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1876 [Define if <thread_db.h> has the TD_NOTLS error code.])
1879 dnl Check if we can disable the virtual address space randomization.
1880 dnl The functionality of setarch -R.
1881 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1882 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1883 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1884 # define ADDR_NO_RANDOMIZE 0x0040000
1886 /* Test the flag could be set and stays set. */
1887 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1888 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1890 AC_RUN_IFELSE([PERSONALITY_TEST],
1891 [have_personality=true],
1892 [have_personality=false],
1893 [AC_LINK_IFELSE([PERSONALITY_TEST],
1894 [have_personality=true],
1895 [have_personality=false])])
1896 if $have_personality
1898 AC_DEFINE([HAVE_PERSONALITY], 1,
1899 [Define if you support the personality syscall.])
1902 dnl Set the host's .gdbinit filename.
1911 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1913 dnl Handle optional features that can be enabled.
1915 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1916 # except that the argument to --with-sysroot is optional.
1917 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1918 if test "x$with_sysroot" = xyes; then
1919 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1921 AC_ARG_WITH(sysroot,
1922 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1923 [search for usr/lib et al within DIR]),
1924 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1925 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1926 [search for usr/lib et al within DIR])
1927 AC_SUBST(TARGET_SYSTEM_ROOT)
1928 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1930 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1931 [automatically load a system-wide gdbinit file],
1936 # In the Cygwin environment, we need some additional flags.
1937 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1938 [AC_EGREP_CPP(^lose$, [
1939 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1941 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1944 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1945 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1947 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1948 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1949 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1951 AC_SUBST(SER_HARDWIRE)
1953 # libreadline needs libuser32.a in a cygwin environment
1955 if test x$gdb_cv_os_cygwin = xyes; then
1956 WIN32LIBS="-luser32"
1958 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1963 # The ser-tcp.c module requires sockets.
1966 AC_DEFINE(USE_WIN32API, 1,
1967 [Define if we should use the Windows API, instead of the
1968 POSIX API. On Windows, we use the Windows API when
1969 building for MinGW, but the POSIX API when building
1971 WIN32LIBS="$WIN32LIBS -lws2_32"
1976 # Add ELF support to GDB, but only if BFD includes ELF support.
1977 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1978 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1979 if test $gdb_cv_var_elf = yes; then
1980 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1981 AC_DEFINE(HAVE_ELF, 1,
1982 [Define if ELF support should be included.])
1983 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1984 if test "$plugins" = "yes"; then
1985 AC_SEARCH_LIBS(dlopen, dl)
1989 # Add macho support to GDB, but only if BFD includes it.
1990 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1991 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1992 if test $gdb_cv_var_macho = yes; then
1993 CONFIG_OBS="$CONFIG_OBS machoread.o"
1996 # Add any host-specific objects to GDB.
1997 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1999 # If building on ELF, look for lzma support for embedded compressed debug info.
2000 if test $gdb_cv_var_elf = yes; then
2002 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
2003 [], [with_lzma=auto])
2004 AC_MSG_CHECKING([whether to use lzma])
2005 AC_MSG_RESULT([$with_lzma])
2007 if test "${with_lzma}" != no; then
2008 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
2009 [lzma_index_iter iter;
2010 lzma_index_iter_init (&iter, 0);
2011 lzma_mf_is_supported (LZMA_MF_HC3);])
2012 if test "$HAVE_LIBLZMA" != yes; then
2013 if test "$with_lzma" = yes; then
2014 AC_MSG_ERROR([missing liblzma for --with-lzma])
2020 LIBGUI="../libgui/src/libgui.a"
2021 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2023 AC_SUBST(GUI_CFLAGS_X)
2027 AC_SUBST(WIN32LDAPP)
2030 *-*-cygwin* | *-*-mingw* )
2039 if test "${enable_gdbtk}" = "yes"; then
2041 # Gdbtk must have an absolute path to srcdir in order to run
2042 # properly when not installed.
2050 # If $no_tk is nonempty, then we can't do Tk, and there is no
2051 # point to doing Tcl.
2054 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2057 # Check for in-tree tcl
2064 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2068 # Find Tcl private headers
2069 if test x"${intree}" = xno; then
2070 CY_AC_TCL_PRIVATE_HEADERS
2071 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2072 TCL_LIBRARY="${TCL_LIB_SPEC}"
2075 # If building tcl in the same src tree, private headers
2076 # are not needed, but we need to be sure to use the right
2078 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2079 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2080 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2082 AC_SUBST(TCL_INCLUDE)
2083 AC_SUBST(TCL_LIBRARY)
2088 # Check for in-tree Tk
2090 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2094 # Find Tk private headers
2095 if test x"${intree}" = xno; then
2096 CY_AC_TK_PRIVATE_HEADERS
2097 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2098 TK_LIBRARY=${TK_LIB_SPEC}
2101 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2102 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2103 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2105 AC_SUBST(TK_INCLUDE)
2106 AC_SUBST(TK_LIBRARY)
2108 AC_SUBST(TK_XINCLUDES)
2110 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2112 # Include some libraries that Tcl and Tk want.
2113 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2114 # Yes, the ordering seems wrong here. But it isn't.
2115 # TK_LIBS is the list of libraries that need to be linked
2116 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2117 # were in LIBS then any link tests after this point would
2118 # try to include things like `$(LIBGUI)', which wouldn't work.
2119 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2121 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2122 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2123 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2124 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2125 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2126 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2127 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2129 if test x$gdb_cv_os_cygwin = xyes; then
2130 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2131 WIN32LDAPP="-Wl,--subsystem,console"
2132 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2135 AC_CONFIG_SUBDIRS(gdbtk)
2143 AC_SUBST(GDBTK_CFLAGS)
2144 AC_SUBST(GDBTK_SRC_DIR)
2148 # Unlike the sim directory, whether a simulator is linked is controlled by
2149 # presence of a gdb_sim definition in the target configure.tgt entry.
2150 # This code just checks for a few cases where we'd like to ignore those
2151 # definitions, even when they're present in the '.mt' file. These cases
2152 # are when --disable-sim is specified, or if the simulator directory is
2153 # not part of the source tree.
2156 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2157 [echo "enable_sim = $enable_sim";
2158 echo "enableval = ${enableval}";
2159 case "${enableval}" in
2160 yes) ignore_sim=false ;;
2161 no) ignore_sim=true ;;
2162 *) ignore_sim=false ;;
2166 if test ! -d "${srcdir}/../sim"; then
2172 if test "${ignore_sim}" = "false"; then
2173 if test x"${gdb_sim}" != x ; then
2175 SIM_OBS="remote-sim.o"
2176 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2178 # Some tdep code should only be compiled in when the ppc sim is
2179 # built. PR sim/13418.
2182 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2190 AC_SUBST(ENABLE_CFLAGS)
2191 AC_SUBST(PROFILE_CFLAGS)
2193 AC_SUBST(CONFIG_OBS)
2194 AC_SUBST(CONFIG_DEPS)
2195 AC_SUBST(CONFIG_SRCS)
2196 AC_SUBST(CONFIG_ALL)
2197 AC_SUBST(CONFIG_CLEAN)
2198 AC_SUBST(CONFIG_INSTALL)
2199 AC_SUBST(CONFIG_UNINSTALL)
2201 # List of host floatformats.
2202 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2203 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2204 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2206 # target_subdir is used by the testsuite to find the target libraries.
2208 if test "${host}" != "${target}"; then
2209 target_subdir="${target_alias}/"
2211 AC_SUBST(target_subdir)
2214 if test "${gdb_native}" = "yes"; then
2215 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2216 if test ! -f ${host_makefile_frag}; then
2217 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2219 frags="$frags $host_makefile_frag"
2221 host_makefile_frag=/dev/null
2224 AC_SUBST_FILE(host_makefile_frag)
2228 if test "${gdb_native}" = "yes"; then
2229 # We pick this up from the host configuration file (.mh) because we
2230 # do not have a native configuration Makefile fragment.
2231 nativefile=`sed -n '
2232 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2233 ' ${host_makefile_frag}`
2237 if test x"${gdb_osabi}" != x ; then
2238 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2239 [Define to the default OS ABI for this configuration.])
2242 # Enable multi-ice-gdb-server.
2243 AC_ARG_ENABLE(multi-ice,
2244 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2248 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2250 if test "x$enable_multi_ice" = xyes; then
2251 AC_CONFIG_SUBDIRS(multi-ice)
2254 AC_ARG_ENABLE(gdbserver,
2255 AS_HELP_STRING([--enable-gdbserver],
2256 [automatically build gdbserver (yes/no/auto, default is auto)]),
2257 [case "${enableval}" in
2259 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2260 esac],[enable_gdbserver=auto])
2262 # We only build gdbserver automatically in a native configuration, and
2263 # only if the user did not explicitly disable its build.
2264 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2265 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2266 if test "x$build_gdbserver" = xyes; then
2268 AC_CONFIG_SUBDIRS(gdbserver)
2269 gdbserver_build_enabled=yes
2275 # If the user explicitly request the gdbserver to be built, verify that
2276 # we were in fact able to enable it.
2277 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2278 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2281 # Check for babeltrace and babeltrace-ctf
2282 AC_ARG_WITH(babeltrace,
2283 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2284 [], [with_babeltrace=auto])
2285 AC_MSG_CHECKING([whether to use babeltrace])
2286 AC_MSG_RESULT([$with_babeltrace])
2288 if test "x$with_babeltrace" = "xno"; then
2289 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2291 # Append -Werror to CFLAGS so that configure can catch the warning
2292 # "assignment from incompatible pointer type", which is related to
2293 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2294 # in GDB, while babeltrace 1.0.3 is broken.
2295 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2296 # safe to save and restore CFLAGS here.
2297 saved_CFLAGS=$CFLAGS
2298 CFLAGS="$CFLAGS -Werror"
2299 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2300 [#include <babeltrace/babeltrace.h>
2301 #include <babeltrace/ctf/events.h>
2302 #include <babeltrace/ctf/iterator.h>],
2303 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2304 struct bt_ctf_event *event = NULL;
2305 const struct bt_definition *scope;
2307 pos->type = BT_SEEK_BEGIN;
2308 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2309 scope = bt_ctf_get_top_level_scope (event,
2310 BT_STREAM_EVENT_HEADER);
2311 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2313 CFLAGS=$saved_CFLAGS
2315 if test "$HAVE_LIBBABELTRACE" != yes; then
2316 if test "$with_babeltrace" = yes; then
2317 AC_MSG_ERROR([babeltrace is missing or unusable])
2319 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2324 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2325 # to an empty version.
2331 if test "${nativefile}" != ""; then
2332 case "${nativefile}" in
2333 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2334 * ) GDB_NM_FILE="${nativefile}"
2336 files="${files} ${GDB_NM_FILE}"
2337 links="${links} nm.h"
2338 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2340 AC_SUBST(GDB_NM_FILE)
2342 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2343 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2344 if test "x$USE_MAINTAINER_MODE" = xyes; then
2345 if test "${XSLTPROC}" = missing; then
2346 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2351 AC_LINK_FILES($files, $links)
2353 dnl Check for exe extension set on certain hosts (e.g. Win32)
2356 dnl Detect the character set used by this host.
2357 dnl At the moment, we just assume it's UTF-8.
2358 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2359 [Define to be a string naming the default host character set.])
2361 if $development; then
2362 AC_DEFINE(GDB_SELF_TEST, 1,
2363 [Define if self-testing features should be enabled])
2366 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2367 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2368 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2369 AC_CONFIG_FILES([Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile],
2371 case x$CONFIG_HEADERS in
2372 xconfig.h:config.in)