1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2015 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 . $srcdir/../bfd/development.sh
32 AC_USE_SYSTEM_EXTENSIONS
41 # See if we are building with C++, and substitute COMPILER.
44 # Dependency checking.
46 ZW_PROG_COMPILER_DEPENDENCIES([CC])
48 # Check for the 'make' the user wants to use.
49 AC_CHECK_PROGS(MAKE, make)
51 case "`$MAKE --version 2>&1 | sed 1q`" in
56 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
59 gnulib_extra_configure_args=
60 # If large-file support is disabled, make sure gnulib does the same.
61 if test "$enable_largefile" = no; then
62 gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
65 # Configure gnulib. We need to build gnulib under some other
66 # directory not "gnulib", to avoid the problem of both GDB and
67 # GDBserver wanting to build it in the same directory, when building
69 ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
70 ["$gnulib_extra_configure_args"])
72 dnl List of object files and targets accumulated by configure.
84 dnl Set up for gettext.
85 ZW_GNU_GETTEXT_SISTER_DIR
87 localedir='${datadir}/locale'
90 if test x"$USE_NLS" = xyes; then
91 CONFIG_ALL="$CONFIG_ALL all-po"
92 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
93 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
94 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
97 GNULIB=build-gnulib/import
99 # For Makefile dependencies.
101 if test x"$STDINT_H" != x; then
102 GNULIB_STDINT_H=$GNULIB/$STDINT_H
104 AC_SUBST(GNULIB_STDINT_H)
107 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
110 # We never need to detect it in this sub-configure.
111 # But preserve it for config.status --recheck.
113 [Parent configure detects if it is of sufficient version.])
114 AC_ARG_VAR(MAKEINFOFLAGS,
115 [Parameters for MAKEINFO.])
117 MAKEINFO_EXTRA_FLAGS=""
118 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
119 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
120 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
121 gdb_cv_have_makeinfo_click=yes
123 gdb_cv_have_makeinfo_click=no
125 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
126 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
128 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
130 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
131 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
134 # We can't pass paths as command line arguments.
135 # Mingw32 tries to be clever and will convert the paths for us.
136 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
137 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
138 # This breaks GDB's relocatable path conversions since paths passed in
139 # config.h would not get so translated, the path prefixes no longer match.
140 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
142 # GDB's datadir relocation
144 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
145 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
148 AC_ARG_WITH(relocated-sources,
149 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
150 [reloc_srcdir="${withval}"
151 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
152 [Relocated directory for source files. ])
155 AC_MSG_CHECKING([for default auto-load directory])
156 AC_ARG_WITH(auto-load-dir,
157 AS_HELP_STRING([--with-auto-load-dir=PATH],
158 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
159 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
160 escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
161 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
162 [Directories from which to load auto-loaded scripts.])
163 AC_MSG_RESULT([$with_auto_load_dir])
165 AC_MSG_CHECKING([for default auto-load safe-path])
166 AC_ARG_WITH(auto-load-safe-path,
167 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
168 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
169 AS_HELP_STRING([--without-auto-load-safe-path],
170 [do not restrict auto-loaded files locations]),
171 [if test "$with_auto_load_safe_path" = "no"; then
172 with_auto_load_safe_path="/"
174 [with_auto_load_safe_path="$with_auto_load_dir"])
175 escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
176 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
177 [Directories safe to hold auto-loaded files.])
178 AC_MSG_RESULT([$with_auto_load_safe_path])
180 AC_CONFIG_SUBDIRS(testsuite)
182 # Check whether to support alternative target configurations
183 AC_ARG_ENABLE(targets,
184 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
185 [case "${enableval}" in
186 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
188 no) enable_targets= ;;
189 *) enable_targets=$enableval ;;
192 # Check whether to enable 64-bit support on 32-bit hosts
193 AC_ARG_ENABLE(64-bit-bfd,
194 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
195 [case "${enableval}" in
198 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
199 esac],[want64=false])dnl
201 # Provide defaults for some variables set by the per-host and per-target
203 gdb_host_obs=posix-hdep.o
205 if test "${target}" = "${host}"; then
211 . $srcdir/configure.host
213 # Add in the common host objects.
214 . $srcdir/common/common.host
215 gdb_host_obs="$gdb_host_obs $common_host_obs"
217 # Accumulate some settings from configure.tgt over all enabled targets
221 HAVE_NATIVE_GCORE_TARGET=
223 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
225 if test "$targ_alias" = "all"; then
228 # Canonicalize the secondary target names.
229 result=`$ac_config_sub $targ_alias 2>/dev/null`
230 if test -n "$result"; then
236 . ${srcdir}/configure.tgt
238 AS_IF([test -z "${gdb_target_obs}"],
239 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
241 # Target-specific object files
242 for i in ${gdb_target_obs}; do
243 case " $TARGET_OBS " in
246 TARGET_OBS="$TARGET_OBS ${i}"
251 # Check whether this target needs 64-bit CORE_ADDR
252 if test x${want64} = xfalse; then
253 . ${srcdir}/../bfd/config.bfd
256 # Check whether this target is native and supports gcore.
257 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
258 && $gdb_have_gcore; then
259 HAVE_NATIVE_GCORE_TARGET=1
264 if test x${all_targets} = xtrue; then
266 # We want all 64-bit targets if we either:
267 # - run on a 64-bit host or
268 # - already require 64-bit support for some other target or
269 # - the --enable-64-bit-bfd option was supplied
270 # Otherwise we only support all 32-bit targets.
272 # NOTE: This test must be in sync with the corresponding
275 if test x${want64} = xfalse; then
276 AC_CHECK_SIZEOF(long)
277 if test "x${ac_cv_sizeof_long}" = "x8"; then
281 if test x${want64} = xtrue; then
282 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
284 TARGET_OBS='$(ALL_TARGET_OBS)'
289 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
291 # For other settings, only the main target counts.
295 targ=$target; . ${srcdir}/configure.tgt
297 # Fetch the default architecture and default target vector from BFD.
298 targ=$target; . $srcdir/../bfd/config.bfd
300 # We only want the first architecture, so strip off the others if
301 # there is more than one.
302 targ_archs=`echo $targ_archs | sed 's/ .*//'`
304 if test "x$targ_archs" != x; then
305 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
306 [Define to BFD's default architecture. ])
308 if test "x$targ_defvec" != x; then
309 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
310 [Define to BFD's default target vector. ])
313 # The CLI cannot be disabled yet, but may be in the future.
316 AC_ARG_ENABLE(gdbcli,
317 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
322 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
324 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
327 if test x"$enable_gdbcli" = xyes; then
328 if test -d $srcdir/cli; then
329 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
330 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
331 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
332 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
338 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
343 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
346 if test x"$enable_gdbmi" = xyes; then
347 if test -d $srcdir/mi; then
348 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
349 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
350 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
351 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
357 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
362 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
363 esac],enable_tui=auto)
367 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
372 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
374 [if test -d $srcdir/gdbtk; then
379 # We unconditionally disable gdbtk tests on selected platforms.
382 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
386 # Libunwind support for ia64.
388 AC_ARG_WITH(libunwind-ia64,
389 AS_HELP_STRING([--with-libunwind-ia64],
390 [use libunwind frame unwinding for ia64 targets]),,
391 [with_libunwind_ia64=auto])
393 # Backward compatibility option.
394 if test "${with_libunwind+set}" = set; then
395 if test x"$with_libunwind_ia64" != xauto; then
397 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
399 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
400 with_libunwind_ia64="$with_libunwind"
403 case "$with_libunwind_ia64" in
407 AC_CHECK_HEADERS(libunwind-ia64.h)
408 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
412 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
416 if test x"$with_libunwind_ia64" = xyes; then
417 AC_CHECK_HEADERS(libunwind-ia64.h)
418 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
419 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
421 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
422 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
423 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
427 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
430 if test "$opt_curses" = "yes"; then
435 AC_ARG_ENABLE(profiling,
436 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
441 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
443 [enable_profiling=no])
445 AC_CHECK_FUNCS(monstartup _mcleanup)
446 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
451 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
452 if test $ac_cv_var__etext = yes; then
453 AC_DEFINE(HAVE__ETEXT, 1,
454 [Define to 1 if your system has the _etext variable. ])
456 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
461 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
462 if test $ac_cv_var_etext = yes; then
463 AC_DEFINE(HAVE_ETEXT, 1,
464 [Define to 1 if your system has the etext variable. ])
466 if test "$enable_profiling" = yes ; then
467 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
468 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
472 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
474 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
475 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
476 ac_cv_cc_supports_pg=no)])
478 if test $ac_cv_cc_supports_pg = no; then
479 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
485 ACX_PKGVERSION([GDB])
486 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
487 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
488 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
490 # --------------------- #
491 # Checks for programs. #
492 # --------------------- #
500 AC_CHECK_TOOL(AR, ar)
501 AC_CHECK_TOOL(DLLTOOL, dlltool)
502 AC_CHECK_TOOL(WINDRES, windres)
506 # Needed for GNU Hurd hosts.
507 AC_CHECK_TOOL(MIG, mig)
508 if test x"$MIG" = x; then
509 AC_MSG_ERROR([MIG not found but required for $host hosts])
514 # ---------------------- #
515 # Checks for libraries. #
516 # ---------------------- #
518 # We might need to link with -lm; most simulators need it.
519 AC_CHECK_LIB(m, main)
521 # We need to link with -lw to get `wctype' on Solaris before Solaris
522 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
523 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
524 # is known to have this problem). Therefore we avoid libw if we can.
525 AC_CHECK_FUNC(wctype, [],
526 [AC_CHECK_LIB(w, wctype)])
528 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
529 AC_SEARCH_LIBS(gethostbyname, nsl)
531 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
532 AC_SEARCH_LIBS(socketpair, socket)
534 # Link in zlib if we can. This allows us to read compressed debug sections.
537 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
538 AC_SEARCH_LIBS(kinfo_getvmmap, util,
539 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
540 [Define to 1 if your system has the kinfo_getvmmap function. ])])
544 # GDB may fork/exec the iconv program to get the list of supported character
545 # sets. Allow the user to specify where to find it.
546 # There are several factors affecting the choice of option name:
547 # - There is already --with-libiconv-prefix but we can't use it, it specifies
548 # the build-time location of libiconv files.
549 # - The program we need to find is iconv, which comes with glibc. The user
550 # doesn't necessarily have libiconv installed. Therefore naming this
551 # --with-libiconv-foo feels wrong.
552 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
553 # defined to work on directories not files (though it really doesn't know
555 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
556 # with --with-libiconv-prefix.
557 # Putting these together is why the option name is --with-iconv-bin.
559 AC_ARG_WITH(iconv-bin,
560 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
561 [iconv_bin="${withval}"
562 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
563 [Path of directory of iconv program.])
564 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
567 # For the TUI, we need enhanced curses functionality.
568 if test x"$enable_tui" != xno; then
573 if test x"$prefer_curses" = xyes; then
574 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
575 # curses library because the latter might not provide all the
576 # functionality we need. However, this leads to problems on systems
577 # where the linker searches /usr/local/lib, but the compiler doesn't
578 # search /usr/local/include, if ncurses is installed in /usr/local. A
579 # default installation of ncurses on alpha*-dec-osf* will lead to such
581 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
583 if test "$ac_cv_search_waddstr" != no; then
588 # Check whether we should enable the TUI, but only do so if we really
590 if test x"$enable_tui" != xno; then
591 if test -d $srcdir/tui; then
592 if test "$curses_found" != no; then
593 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
594 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
595 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
596 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
598 if test x"$enable_tui" = xyes; then
599 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
601 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
607 # Since GDB uses Readline, we need termcap functionality. In many
608 # cases this will be provided by the curses library, but some systems
609 # have a seperate termcap library, or no curses library at all.
613 if test -d $srcdir/libtermcap; then
614 LIBS="../libtermcap/libtermcap.a $LIBS"
615 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
618 ac_cv_search_tgetent="none required"
622 # These are the libraries checked by Readline.
623 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
625 if test "$ac_cv_search_tgetent" = no; then
626 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
629 AC_ARG_WITH([system-readline],
630 [AS_HELP_STRING([--with-system-readline],
631 [use installed readline library])])
633 if test "$with_system_readline" = yes; then
637 READLINE_TEXI_INCFLAG=
639 READLINE='$(READLINE_DIR)/libreadline.a'
640 READLINE_DEPS='$(READLINE)'
641 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
642 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
645 AC_SUBST(READLINE_DEPS)
646 AC_SUBST(READLINE_CFLAGS)
647 AC_SUBST(READLINE_TEXI_INCFLAG)
649 # Generate jit-reader.h
651 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
654 AC_CHECK_SIZEOF(unsigned long long)
655 AC_CHECK_SIZEOF(unsigned long)
656 AC_CHECK_SIZEOF(unsigned __int128)
658 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
659 TARGET_PTR="unsigned long"
660 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
661 TARGET_PTR="unsigned long long"
662 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
663 TARGET_PTR="unsigned __int128"
665 TARGET_PTR="unsigned long"
669 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
671 AC_SEARCH_LIBS(dlopen, dl)
673 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
674 [directory to load the JIT readers from],
678 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
679 [], [with_expat=auto])
680 AC_MSG_CHECKING([whether to use expat])
681 AC_MSG_RESULT([$with_expat])
683 if test "${with_expat}" = no; then
684 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
687 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
688 [XML_Parser p = XML_ParserCreate (0);])
689 if test "$HAVE_LIBEXPAT" != yes; then
690 if test "$with_expat" = yes; then
691 AC_MSG_ERROR([expat is missing or unusable])
693 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
697 LIBS="$LIBS $LIBEXPAT"
698 AC_CHECK_FUNCS(XML_StopParser)
703 # --------------------- #
704 # Check for libpython. #
705 # --------------------- #
707 dnl Utility to simplify finding libpython.
709 dnl $2 = the shell variable to assign the result to
710 dnl If libpython is found we store $version here.
711 dnl $3 = additional flags to add to CPPFLAGS
712 dnl $4 = additional flags to add to LIBS
714 AC_DEFUN([AC_TRY_LIBPYTHON],
717 define([have_libpython_var],$2)
720 AC_MSG_CHECKING([for ${version}])
721 save_CPPFLAGS=$CPPFLAGS
723 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
724 LIBS="$LIBS $new_LIBS"
725 found_usable_python=no
726 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]],
727 [[Py_Initialize ();]]),
728 [have_libpython_var=${version}
729 found_usable_python=yes
730 PYTHON_CPPFLAGS=$new_CPPFLAGS
731 PYTHON_LIBS=$new_LIBS])
732 CPPFLAGS=$save_CPPFLAGS
734 AC_MSG_RESULT([${found_usable_python}])
737 dnl There are several different values for --with-python:
739 dnl no - Don't include python support.
740 dnl yes - Include python support, error if it's missing.
741 dnl If we find python in $PATH, use it to fetch configure options,
742 dnl otherwise assume the compiler can find it with no help from us.
743 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
744 dnl auto - Same as "yes", but if python is missing from the system,
745 dnl fall back to "no".
746 dnl /path/to/python/exec-prefix -
747 dnl Use the python located in this directory.
748 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
749 dnl the compilation parameters. Otherwise use
750 dnl -I/path/to/python/exec-prefix/include,
751 dnl -L/path/to/python/exec-prefix/lib.
752 dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
753 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
754 dnl but is deprecated.
755 dnl /path/to/python/executable -
756 dnl Run python-config.py with this version of python to fetch the
757 dnl compilation parameters.
758 dnl NOTE: This needn't be the real python executable.
759 dnl In a cross-compilation scenario (build != host), this could be
760 dnl a shell script that provides what python-config.py provides for
761 dnl --ldflags, --includes, --exec-prefix.
762 dnl python-executable -
763 dnl Find python-executable in $PATH, and then handle the same as
764 dnl /path/to/python/executable.
766 dnl If a python program is specified, it is used to run python-config.py and
767 dnl is passed --ldflags, --includes, --exec-prefix.
770 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
771 [], [with_python=auto])
772 AC_MSG_CHECKING([whether to use python])
773 AC_MSG_RESULT([$with_python])
775 if test "${with_python}" = no; then
776 AC_MSG_WARN([python support disabled; some features may be unavailable.])
779 case "${with_python}" in
780 [[\\/]]* | ?:[[\\/]]*)
781 if test -d ${with_python}; then
782 # Assume the python binary is ${with_python}/bin/python.
783 python_prog="${with_python}/bin/python"
785 # If python does not exit ${with_python}/bin, then try in
786 # ${with_python}. On Windows/MinGW, this is where the Python
788 if test ! -x "${python_prog}"; then
789 python_prog="${with_python}/python"
792 if test ! -x "${python_prog}"; then
793 # Fall back to gdb 7.0/7.1 behaviour.
795 python_prefix=${with_python}
797 elif test -x "${with_python}"; then
798 # While we can't run python compiled for $host (unless host == build),
799 # the user could write a script that provides the needed information,
800 # so we support that.
801 python_prog=${with_python}
804 AC_ERROR(invalid value for --with-python)
808 # Disallow --with-python=foo/bar.
809 AC_ERROR(invalid value for --with-python)
812 # The user has either specified auto, yes, or the name of the python
813 # program assumed to be in $PATH.
815 case "${with_python}" in
817 if test ${build} = ${host}; then
818 AC_PATH_PROG(python_prog_path, python, missing)
819 if test "${python_prog_path}" = missing; then
822 python_prog=${python_prog_path}
825 # Not much we can do except assume the cross-compiler will find the
831 # While we can't run python compiled for $host (unless host == build),
832 # the user could write a script that provides the needed information,
833 # so we support that.
834 python_prog="${with_python}"
835 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
836 if test "${python_prog_path}" = missing; then
837 AC_ERROR(unable to find python program ${python_prog})
843 if test "${python_prog}" != missing; then
844 # We have a python program to use, but it may be too old.
845 # Don't flag an error for --with-python=auto (the default).
846 have_python_config=yes
847 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
848 if test $? != 0; then
849 have_python_config=failed
850 if test "${with_python}" != auto; then
851 AC_ERROR(failure running python-config --includes)
854 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
855 if test $? != 0; then
856 have_python_config=failed
857 if test "${with_python}" != auto; then
858 AC_ERROR(failure running python-config --ldflags)
861 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
862 if test $? != 0; then
863 have_python_config=failed
864 if test "${with_python}" != auto; then
865 AC_ERROR(failure running python-config --exec-prefix)
869 # We do not have a python executable we can use to determine where
870 # to find the Python headers and libs. We cannot guess the include
871 # path from the python_prefix either, because that include path
872 # depends on the Python version. So, there is nothing much we can
873 # do except assume that the compiler will be able to find those files.
876 have_python_config=no
879 # If we have python-config, only try the configuration it provides.
880 # Otherwise fallback on the old way of trying different versions of
884 if test "${have_python_config}" = yes; then
885 # Determine the Python version by extracting "-lpython<version>"
886 # part of the python_libs. <version> is usually X.Y with X and Y
887 # being decimal numbers, but can also be XY (seen on Windows).
889 # The extraction is performed using sed with a regular expression.
890 # Initially, the regexp used was using the '?' quantifier to make
891 # the dot in the version number optional. Unfortunately, this
892 # does not work with non-GNU versions of sed because, because of
893 # what looks like a limitation (the '?' quantifier does not work
894 # with back-references). We work around this limitation by using
895 # the '*' quantifier instead. It means that, in theory, we might
896 # match unexpected version strings such as "-lpython2..7", but
897 # this seems unlikely in practice. And even if that happens,
898 # an error will be triggered later on, when checking that version
900 python_version=`echo " ${python_libs} " \
901 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
902 case "${python_version}" in
904 AC_TRY_LIBPYTHON(${python_version}, have_libpython,
905 ${python_includes}, ${python_libs})
908 AC_MSG_ERROR([unable to determine python version from ${python_libs}])
911 elif test "${have_python_config}" != failed; then
912 if test "${have_libpython}" = no; then
913 AC_TRY_LIBPYTHON(python2.7, have_libpython,
914 ${python_includes}, "${python_libs} -lpython2.7")
916 if test "${have_libpython}" = no; then
917 AC_TRY_LIBPYTHON(python2.6, have_libpython,
918 ${python_includes}, "${python_libs} -lpython2.6")
920 if test ${have_libpython} = no; then
921 AC_TRY_LIBPYTHON(python2.5, have_libpython,
922 ${python_includes}, "${python_libs} -lpython2.5")
924 if test ${have_libpython} = no; then
925 AC_TRY_LIBPYTHON(python2.4, have_libpython,
926 ${python_includes}, "${python_libs} -lpython2.4")
929 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
930 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
931 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
932 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
933 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then
934 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
935 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then
936 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
939 if test "${have_libpython}" = no; then
940 case "${with_python}" in
942 AC_MSG_ERROR([python is missing or unusable])
945 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
948 AC_MSG_ERROR([no usable python found at ${with_python}])
952 if test -n "${python_prefix}"; then
953 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
954 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
955 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
960 if test "${have_libpython}" != no; then
961 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
962 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
963 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
964 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
965 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
966 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
968 # Flags needed to compile Python code (taken from python-config --cflags).
969 # We cannot call python-config directly because it will output whatever was
970 # used when compiling the Python interpreter itself, including flags which
971 # would make the python-related objects be compiled differently from the
972 # rest of GDB (e.g., -O2 and -fPIC).
973 if test "${GCC}" = yes; then
974 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
977 if test "x${tentative_python_cflags}" != x; then
978 AC_MSG_CHECKING(compiler flags for python code)
979 for flag in ${tentative_python_cflags}; do
980 # Check that the compiler accepts it
981 saved_CFLAGS="$CFLAGS"
982 CFLAGS="$CFLAGS $flag"
983 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
984 CFLAGS="$saved_CFLAGS"
986 AC_MSG_RESULT(${PYTHON_CFLAGS})
989 # On x64 Windows, Python's include headers, and pyconfig.h in
990 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
991 # version of Windows. Unfortunately, MS_WIN64 is only defined if
992 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
993 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
994 # The issue was reported to the Python community, but still isn't
995 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
999 if test "${GCC}" = yes; then
1000 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
1005 # Note that "python -m threading" cannot be used to check for
1006 # threading support due to a bug in Python 2.7.3
1007 # (http://bugs.python.org/issue15567).
1008 AC_MSG_CHECKING(whether python supports threads)
1009 saved_CPPFLAGS="${CPPFLAGS}"
1010 CPPFLAGS="${PYTHON_CPPFLAGS}"
1011 # Note that the test is reversed so that python_has_threads=yes on
1012 # unexpected failures.
1013 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
1018 ]]), [python_has_threads=no], [python_has_threads=yes])
1019 AC_MSG_RESULT(${python_has_threads})
1020 CPPFLAGS="${saved_CPPFLAGS}"
1022 # Even if Python support is not compiled in, we need to have this file
1023 # included so that the "python" command, et.al., still exists.
1024 CONFIG_OBS="$CONFIG_OBS python.o"
1025 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
1027 AC_SUBST(PYTHON_CFLAGS)
1028 AC_SUBST(PYTHON_CPPFLAGS)
1029 AC_SUBST(PYTHON_LIBS)
1030 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
1032 # -------------------- #
1033 # Check for libguile. #
1034 # -------------------- #
1036 dnl Utility to simplify finding libguile.
1037 dnl $1 = pkg-config-program
1038 dnl $2 = space-separate list of guile versions to try
1039 dnl $3 = yes|no, indicating whether to flag errors or ignore them
1040 dnl $4 = the shell variable to assign the result to
1041 dnl If libguile is found we store "yes" here.
1043 AC_DEFUN([AC_TRY_LIBGUILE],
1046 guile_version_list=$2
1048 define([have_libguile_var],$4)
1049 found_usable_guile=checking
1050 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1051 for guile_version in ${guile_version_list}; do
1052 ${pkg_config} --exists ${guile_version} 2>/dev/null
1053 if test $? != 0; then
1056 dnl pkg-config says the package exists, so if we get an error now,
1058 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1059 if test $? != 0; then
1060 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1062 new_LIBS=`${pkg_config} --libs ${guile_version}`
1063 if test $? != 0; then
1064 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1066 dnl If we get this far, great.
1067 found_usable_guile=${guile_version}
1070 if test "${found_usable_guile}" = "checking"; then
1071 if test "${flag_errors}" = "yes"; then
1072 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1074 found_usable_guile=no
1077 dnl One final sanity check.
1078 dnl The user could have said --with-guile=python-2.7.
1079 if test "${found_usable_guile}" != no; then
1080 save_CPPFLAGS=$CPPFLAGS
1082 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1083 LIBS="$LIBS $new_LIBS"
1084 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
1085 [[scm_init_guile ();]]),
1086 [have_libguile_var=yes
1087 GUILE_CPPFLAGS=$new_CPPFLAGS
1088 GUILE_LIBS=$new_LIBS],
1089 [found_usable_guile=no])
1090 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1091 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1092 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1093 [Define if Guile supports manual finalization.])
1095 CPPFLAGS=$save_CPPFLAGS
1097 if test "${found_usable_guile}" = no; then
1098 if test "${flag_errors}" = yes; then
1099 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1103 AC_MSG_RESULT([${found_usable_guile}])
1106 dnl There are several different values for --with-guile:
1108 dnl no - Don't include guile support.
1109 dnl yes - Include guile support, error if it's missing.
1110 dnl The pkg-config program must be in $PATH.
1111 dnl auto - Same as "yes", but if guile is missing from the system,
1112 dnl fall back to "no".
1113 dnl guile-version [guile-version-choice-2 ...] -
1114 dnl A space-separated list of guile package versions to try.
1115 dnl These are passed to pkg-config as-is.
1116 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1117 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1118 dnl /path/to/pkg-config -
1119 dnl Use this pkg-config program.
1120 dnl NOTE: This needn't be the "real" pkg-config program.
1121 dnl It could be a shell script. It is invoked as:
1122 dnl pkg-config --exists $version
1123 dnl pkg-config --cflags $version
1124 dnl pkg-config --libs $version
1125 dnl pkg-config --variable guild $version
1126 dnl The script will be called with $version having each value in
1127 dnl $try_guile_versions until --exists indicates success.
1130 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1131 [], [with_guile=auto])
1132 AC_MSG_CHECKING([whether to use guile])
1133 AC_MSG_RESULT([$with_guile])
1135 dnl We check guile with pkg-config.
1136 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1138 try_guile_versions="guile-2.2 guile-2.0"
1140 case "${with_guile}" in
1142 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1145 if test "${pkg_config_prog_path}" = "missing"; then
1146 AC_MSG_WARN([pkg-config not found, guile support disabled])
1148 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1152 if test "${pkg_config_prog_path}" = "missing"; then
1153 AC_MSG_ERROR([pkg-config not found])
1155 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1157 [[\\/]]* | ?:[[\\/]]*)
1158 if test -x "${with_guile}"; then
1159 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1161 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1165 # Disallow --with=guile="" and --with-guile=foo/bar.
1166 AC_MSG_ERROR([invalid value for --with-guile])
1169 # A space separate list of guile versions to try, in order.
1170 if test "${pkg_config_prog_path}" = "missing"; then
1171 AC_MSG_ERROR([pkg-config not found])
1173 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1177 if test "${have_libguile}" != no; then
1178 dnl Get the name of the 'guild' program.
1179 case "${with_guile}" in
1180 [[\\/]]* | ?:[[\\/]]*)
1181 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1184 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1188 dnl Make sure guild can handle this host.
1189 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1190 dnl If not, disable guile support.
1191 if test "$ac_cv_guild_ok" = no; then
1193 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1197 if test "${have_libguile}" != no; then
1198 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1199 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1200 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1201 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1202 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1203 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1205 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1207 save_CPPFLAGS="$CPPFLAGS"
1209 CPPFLAGS="$GUILE_CPPFLAGS"
1210 AC_CHECK_FUNCS([scm_new_smob])
1212 CPPFLAGS="$save_CPPFLAGS"
1214 # Even if Guile support is not compiled in, we need to have these files
1216 CONFIG_OBS="$CONFIG_OBS guile.o"
1217 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1219 AC_SUBST(GUILE_CPPFLAGS)
1220 AC_SUBST(GUILE_LIBS)
1221 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1223 # --------------------- #
1224 # Check for libmcheck. #
1225 # --------------------- #
1227 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
1228 # but turn it off if Python is enabled with threads, since -lmcheck is
1229 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
1231 if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
1232 && $development; then
1233 libmcheck_default=yes
1235 libmcheck_default=no
1237 GDB_AC_LIBMCHECK(${libmcheck_default})
1239 if test "$ENABLE_LIBMCHECK" = "yes" \
1240 -a "${have_libpython}" != "no" \
1241 -a "${python_has_threads}" = "yes" ; then
1242 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
1245 AC_ARG_WITH(intel_pt,
1246 AS_HELP_STRING([--with-intel-pt], [include Intel(R) Processor Trace support (auto/yes/no)]),
1247 [], [with_intel_pt=auto])
1248 AC_MSG_CHECKING([whether to use intel pt])
1249 AC_MSG_RESULT([$with_intel_pt])
1251 if test "${with_intel_pt}" = no; then
1252 AC_MSG_WARN([Intel(R) Processor Trace support disabled; some features may be unavailable.])
1255 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1256 if test "$HAVE_LIBIPT" != yes; then
1257 if test "$with_intel_pt" = yes; then
1258 AC_MSG_ERROR([libipt is missing or unusable])
1260 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1265 # ------------------------- #
1266 # Checks for header files. #
1267 # ------------------------- #
1270 # elf_hp.h is for HP/UX 64-bit shared library support.
1271 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1274 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1275 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1276 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
1277 termios.h termio.h \
1280 AC_CHECK_HEADERS(sys/proc.h, [], [],
1281 [#if HAVE_SYS_PARAM_H
1282 # include <sys/param.h>
1285 AC_CHECK_HEADERS(sys/user.h, [], [],
1286 [#if HAVE_SYS_PARAM_H
1287 # include <sys/param.h>
1291 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
1292 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
1293 # think that we don't have <curses.h> if we're using GCC.
1296 if test "$GCC" = yes; then
1297 AC_DEFINE(_MSE_INT_H, 1,
1298 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
1299 Solaris 2.[789] when using GCC. ])
1302 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
1303 AC_CHECK_HEADERS(term.h, [], [],
1305 # include <curses.h>
1309 # ------------------------- #
1310 # Checks for declarations. #
1311 # ------------------------- #
1315 AC_CHECK_DECLS([free, malloc, realloc, snprintf])
1318 # ----------------------- #
1319 # Checks for structures. #
1320 # ----------------------- #
1322 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1324 # ------------------ #
1325 # Checks for types. #
1326 # ------------------ #
1329 AC_CHECK_TYPES(socklen_t, [], [],
1330 [#include <sys/types.h>
1331 #include <sys/socket.h>
1334 # ------------------------------------- #
1335 # Checks for compiler characteristics. #
1336 # ------------------------------------- #
1342 # ------------------------------ #
1343 # Checks for library functions. #
1344 # ------------------------------ #
1348 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1349 pipe poll pread pread64 pwrite resize_term \
1350 sbrk setpgid setpgrp setsid \
1351 sigaction sigprocmask sigsetmask socketpair \
1352 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1353 setrlimit getrlimit posix_madvise waitpid \
1354 ptrace64 sigaltstack mkdtemp setns])
1358 # Check the return and argument types of ptrace. No canned test for
1359 # this, so roll our own.
1360 gdb_ptrace_headers='
1361 #include <sys/types.h>
1362 #if HAVE_SYS_PTRACE_H
1363 # include <sys/ptrace.h>
1366 # include <unistd.h>
1369 # There is no point in checking if we don't have a prototype.
1370 AC_CHECK_DECLS(ptrace, [], [
1371 : ${gdb_cv_func_ptrace_ret='int'}
1372 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1373 ], $gdb_ptrace_headers)
1374 # Check return type. Varargs (used on GNU/Linux) conflict with the
1375 # empty argument list, so check for that explicitly.
1376 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
1377 AC_TRY_COMPILE($gdb_ptrace_headers,
1378 [extern long ptrace (enum __ptrace_request, ...);],
1379 gdb_cv_func_ptrace_ret='long',
1380 AC_TRY_COMPILE($gdb_ptrace_headers,
1381 [extern int ptrace ();],
1382 gdb_cv_func_ptrace_ret='int',
1383 gdb_cv_func_ptrace_ret='long')))
1384 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1385 [Define as the return type of ptrace.])
1386 # Check argument types.
1387 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1388 AC_TRY_COMPILE($gdb_ptrace_headers,
1389 [extern long ptrace (enum __ptrace_request, ...);],
1390 [gdb_cv_func_ptrace_args='int,int,long,long'],[
1391 for gdb_arg1 in 'int' 'long'; do
1392 for gdb_arg2 in 'pid_t' 'int' 'long'; do
1393 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1394 for gdb_arg4 in 'int' 'long' 'void *'; do
1395 AC_TRY_COMPILE($gdb_ptrace_headers, [
1396 extern $gdb_cv_func_ptrace_ret
1397 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1398 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1400 for gdb_arg5 in 'int *' 'int' 'long'; do
1401 AC_TRY_COMPILE($gdb_ptrace_headers, [
1402 extern $gdb_cv_func_ptrace_ret
1403 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1405 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1412 # Provide a safe default value.
1413 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1415 ac_save_IFS=$IFS; IFS=','
1416 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1419 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1420 [Define to the type of arg 3 for ptrace.])
1421 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4],
1422 [Define to the type of arg 4 for ptrace.])
1423 if test -n "$[5]"; then
1424 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1425 [Define to the type of arg 5 for ptrace.])
1428 dnl AC_FUNC_SETPGRP does not work when cross compiling
1429 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1430 if test "$cross_compiling" = no; then
1433 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1437 if (setpgrp(1,1) == -1)
1441 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1442 if test $ac_cv_func_setpgrp_void = yes; then
1443 AC_DEFINE(SETPGRP_VOID, 1)
1447 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1448 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1449 [#include <sys/param.h>
1450 #include <sys/proc.h>
1453 # See if <sys/lwp.h> defines `struct lwp`.
1454 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1455 [AC_TRY_COMPILE([#include <sys/param.h>
1456 #include <sys/lwp.h>], [struct lwp l;],
1457 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1458 if test $gdb_cv_struct_lwp = yes; then
1459 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1460 [Define to 1 if your system has struct lwp.])
1463 # See if <machine/reg.h> degines `struct reg'.
1464 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1465 [AC_TRY_COMPILE([#include <sys/types.h>
1466 #include <machine/reg.h>], [struct reg r;],
1467 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1468 if test $gdb_cv_struct_reg = yes; then
1469 AC_DEFINE(HAVE_STRUCT_REG, 1,
1470 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1473 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1474 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1475 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1476 [#include <machine/reg.h>])
1478 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1479 # Older amd64 Linux's don't have the fs_base and gs_base members of
1480 # `struct user_regs_struct'.
1481 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1482 [], [], [#include <sys/user.h>])
1484 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1485 AC_MSG_CHECKING(for PTRACE_GETREGS)
1486 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1487 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1489 [gdb_cv_have_ptrace_getregs=yes],
1490 [gdb_cv_have_ptrace_getregs=no])])
1491 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1492 if test $gdb_cv_have_ptrace_getregs = yes; then
1493 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1494 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1497 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1498 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1499 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1500 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1501 [PTRACE_GETFPXREGS;],
1502 [gdb_cv_have_ptrace_getfpxregs=yes],
1503 [gdb_cv_have_ptrace_getfpxregs=no])])
1504 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1505 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1506 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1507 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1510 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1511 AC_MSG_CHECKING(for PT_GETDBREGS)
1512 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1513 [AC_TRY_COMPILE([#include <sys/types.h>
1514 #include <sys/ptrace.h>],
1516 [gdb_cv_have_pt_getdbregs=yes],
1517 [gdb_cv_have_pt_getdbregs=no])])
1518 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1519 if test $gdb_cv_have_pt_getdbregs = yes; then
1520 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1521 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1524 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1525 AC_MSG_CHECKING(for PT_GETXMMREGS)
1526 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1527 [AC_TRY_COMPILE([#include <sys/types.h>
1528 #include <sys/ptrace.h>],
1530 [gdb_cv_have_pt_getxmmregs=yes],
1531 [gdb_cv_have_pt_getxmmregs=no])])
1532 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1533 if test $gdb_cv_have_pt_getxmmregs = yes; then
1534 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1535 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1538 # Detect which type of /proc is in use, such as for Solaris.
1540 if test "${target}" = "${host}"; then
1542 *-*-sysv4.2* | *-*-sysv5* )
1543 AC_DEFINE(NEW_PROC_API, 1,
1544 [Define if you want to use new multi-fd /proc interface.])
1546 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1547 AC_DEFINE(NEW_PROC_API, 1,
1548 [Define if you want to use new multi-fd /proc interface.])
1551 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1552 AC_DEFINE([_KMEMUSER], 1,
1553 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1554 around a <sys/proc.h> problem on IRIX 5.])
1559 if test "$ac_cv_header_sys_procfs_h" = yes; then
1560 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1561 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1562 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1563 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1564 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1565 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1566 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1567 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1568 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1569 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1570 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1573 dnl Check for broken prfpregset_t type
1575 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1576 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1577 dnl instead of the struct itself). We detect this here, and work
1578 dnl around it in gdb_proc_service.h.
1580 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1581 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1582 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1583 [AC_TRY_RUN([#include <sys/procfs.h>
1586 if (sizeof (prfpregset_t) == sizeof (void *))
1590 gdb_cv_prfpregset_t_broken=no,
1591 gdb_cv_prfpregset_t_broken=yes,
1592 gdb_cv_prfpregset_t_broken=yes)])
1593 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1594 if test $gdb_cv_prfpregset_t_broken = yes; then
1595 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1596 [Define if the prfpregset_t type is broken.])
1601 # Check if the compiler supports the `long long' type.
1603 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1604 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1605 [[extern long long foo;]],
1606 [[switch (foo & 2) { case 0: return 1; }]])],
1607 gdb_cv_c_long_long=yes,
1608 gdb_cv_c_long_long=no)])
1609 if test $gdb_cv_c_long_long != yes; then
1610 # libdecnumber requires long long.
1611 AC_MSG_ERROR([Compiler must support long long for GDB.])
1614 # Check if the compiler and runtime support printing long longs.
1616 AC_CACHE_CHECK([for long long support in printf],
1617 gdb_cv_printf_has_long_long,
1618 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1621 l = (l << 16) + 0x0123;
1622 l = (l << 16) + 0x4567;
1623 l = (l << 16) + 0x89ab;
1624 l = (l << 16) + 0xcdef;
1625 sprintf (buf, "0x%016llx", l);
1626 return (strcmp ("0x0123456789abcdef", buf));]])],
1627 gdb_cv_printf_has_long_long=yes,
1628 gdb_cv_printf_has_long_long=no,
1629 gdb_cv_printf_has_long_long=no)])
1630 if test $gdb_cv_printf_has_long_long = yes; then
1631 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1632 [Define to 1 if the "%ll" format works to print long longs.])
1635 # Check if the compiler and runtime support printing decfloats.
1637 AC_CACHE_CHECK([for decfloat support in printf],
1638 gdb_cv_printf_has_decfloat,
1639 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1641 _Decimal32 d32 = 1.2345df;
1642 _Decimal64 d64 = 1.2345dd;
1643 _Decimal128 d128 = 1.2345dl;
1644 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1645 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1646 gdb_cv_printf_has_decfloat=yes,
1647 gdb_cv_printf_has_decfloat=no,
1648 gdb_cv_printf_has_decfloat=no)])
1649 if test $gdb_cv_printf_has_decfloat = yes; then
1650 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1651 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1654 # Check if the compiler supports the `long double' type. We can't use
1655 # AC_C_LONG_DOUBLE because that one does additional checks on the
1656 # constants defined in <float.h> that fail on some systems,
1657 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1659 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1660 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1661 gdb_cv_c_long_double=yes,
1662 gdb_cv_c_long_double=no)])
1663 if test $gdb_cv_c_long_double = yes; then
1664 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1665 [Define to 1 if the compiler supports long double.])
1668 # Check if the compiler and runtime support printing long doubles.
1670 AC_CACHE_CHECK([for long double support in printf],
1671 gdb_cv_printf_has_long_double,
1672 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1674 long double f = 3.141592653;
1675 sprintf (buf, "%Lg", f);
1676 return (strncmp ("3.14159", buf, 7));]])],
1677 gdb_cv_printf_has_long_double=yes,
1678 gdb_cv_printf_has_long_double=no,
1679 gdb_cv_printf_has_long_double=no)])
1680 if test $gdb_cv_printf_has_long_double = yes; then
1681 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1682 [Define to 1 if the "%Lg" format works to print long doubles.])
1685 # Check if the compiler and runtime support scanning long doubles.
1687 AC_CACHE_CHECK([for long double support in scanf],
1688 gdb_cv_scanf_has_long_double,
1689 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1690 [[#include <stdio.h>]],
1691 [[char *buf = "3.141592653";
1693 sscanf (buf, "%Lg", &f);
1694 return !(f > 3.14159 && f < 3.14160);]])],
1695 gdb_cv_scanf_has_long_double=yes,
1696 gdb_cv_scanf_has_long_double=no,
1697 gdb_cv_scanf_has_long_double=no)])
1698 if test $gdb_cv_scanf_has_long_double = yes; then
1699 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1700 [Define to 1 if the "%Lg" format works to scan long doubles.])
1705 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1706 SAVE_LDFLAGS=$LDFLAGS
1709 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1710 *) gdb_cv_bigtoc=-bbigtoc ;;
1713 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1714 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1715 LDFLAGS="${SAVE_LDFLAGS}"
1717 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1721 AC_MSG_CHECKING(for the dynamic export flag)
1723 if test "${gdb_native}" = yes; then
1724 # The dynamically loaded libthread_db needs access to symbols in the gdb
1725 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1726 # may not be supported there.
1727 old_LDFLAGS="$LDFLAGS"
1728 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1729 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1730 LDFLAGS="$LDFLAGS $RDYNAMIC"
1731 if test "${have_libpython}" = no; then
1732 AC_TRY_LINK([], [], [dynamic_list=true])
1734 # Workaround http://bugs.python.org/issue4434 where static
1735 # libpythonX.Y.a would get its symbols required for
1736 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1737 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1738 old_CFLAGS="$CFLAGS"
1739 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1741 LIBS="$LIBS $PYTHON_LIBS"
1744 [#include "]${have_libpython}[/Python.h"],
1747 err = PyRun_SimpleString ("import itertools\n");
1749 return err == 0 ? 0 : 1;]),
1750 [dynamic_list=true], [], [true])
1752 CFLAGS="$old_CFLAGS"
1754 LDFLAGS="$old_LDFLAGS"
1756 if $dynamic_list; then
1757 found="-Wl,--dynamic-list"
1758 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1761 RDYNAMIC="-rdynamic"
1764 AC_MSG_RESULT($found)
1766 dnl For certain native configurations, we need to check whether thread
1767 dnl support can be built in or not.
1769 dnl Note that we only want this if we are both native (host == target),
1770 dnl and not doing a canadian cross build (build == host).
1772 if test ${build} = ${host} -a ${host} = ${target} ; then
1775 # See if thread_db library is around for Solaris thread debugging.
1776 # Note that we must explicitly test for version 1 of the library
1777 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1779 AC_MSG_CHECKING(for Solaris thread debugging library)
1780 if test -f /usr/lib/libthread_db.so.1 ; then
1782 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1783 [Define if using Solaris thread debugging.])
1784 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1785 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1786 AC_CHECK_LIB(dl, dlopen)
1787 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1788 # Sun randomly tweaked the prototypes in <proc_service.h>
1790 AC_MSG_CHECKING(if <proc_service.h> is old)
1791 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1793 #include <proc_service.h>
1795 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1796 ],, gdb_cv_proc_service_is_old=no,
1797 gdb_cv_proc_service_is_old=yes)
1799 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1800 if test $gdb_cv_proc_service_is_old = yes; then
1801 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1802 [Define if <proc_service.h> on solaris uses int instead of
1803 size_t, and assorted other type changes.])
1810 AC_MSG_CHECKING(for AiX thread debugging library)
1811 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1812 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1813 [#ifndef PTHDB_VERSION_3
1816 gdb_cv_have_aix_thread_debug=yes,
1817 gdb_cv_have_aix_thread_debug=no)])
1818 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1819 if test $gdb_cv_have_aix_thread_debug = yes; then
1820 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1821 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1822 LIBS="$LIBS -lpthdebug"
1824 # Older versions of AIX do not provide the declaration for
1825 # the getthrds function (it appears that it was introduced
1827 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1831 AC_SUBST(CONFIG_LDFLAGS)
1834 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1835 dnl other error codes.
1836 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1837 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1838 gdb_cv_thread_db_h_has_td_notalloc,
1840 [#include <thread_db.h>],
1841 [int i = TD_NOTALLOC;],
1842 gdb_cv_thread_db_h_has_td_notalloc=yes,
1843 gdb_cv_thread_db_h_has_td_notalloc=no
1846 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1847 gdb_cv_thread_db_h_has_td_version,
1849 [#include <thread_db.h>],
1850 [int i = TD_VERSION;],
1851 gdb_cv_thread_db_h_has_td_version=yes,
1852 gdb_cv_thread_db_h_has_td_version=no
1855 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1856 gdb_cv_thread_db_h_has_td_notls,
1858 [#include <thread_db.h>],
1859 [int i = TD_NOTLS;],
1860 gdb_cv_thread_db_h_has_td_notls=yes,
1861 gdb_cv_thread_db_h_has_td_notls=no
1865 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1866 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1867 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1869 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1870 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1871 [Define if <thread_db.h> has the TD_VERSION error code.])
1873 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1874 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1875 [Define if <thread_db.h> has the TD_NOTLS error code.])
1878 dnl See if we have a sys/syscall header file that has __NR_tkill.
1879 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1880 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1881 gdb_cv_sys_syscall_h_has_tkill,
1883 [#include <sys/syscall.h>],
1884 [int i = __NR_tkill;],
1885 gdb_cv_sys_syscall_h_has_tkill=yes,
1886 gdb_cv_sys_syscall_h_has_tkill=no
1890 dnl See if we can issue tkill syscall.
1891 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then
1892 AC_CHECK_FUNC(syscall,
1893 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1897 dnl Check if we can disable the virtual address space randomization.
1898 dnl The functionality of setarch -R.
1899 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1900 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1901 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1902 # define ADDR_NO_RANDOMIZE 0x0040000
1904 /* Test the flag could be set and stays set. */
1905 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1906 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1908 AC_RUN_IFELSE([PERSONALITY_TEST],
1909 [have_personality=true],
1910 [have_personality=false],
1911 [AC_LINK_IFELSE([PERSONALITY_TEST],
1912 [have_personality=true],
1913 [have_personality=false])])
1914 if $have_personality
1916 AC_DEFINE([HAVE_PERSONALITY], 1,
1917 [Define if you support the personality syscall.])
1920 dnl Set the host's .gdbinit filename.
1929 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1931 dnl Handle optional features that can be enabled.
1933 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1934 # except that the argument to --with-sysroot is optional.
1935 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1936 if test "x$with_sysroot" = xyes; then
1937 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1939 AC_ARG_WITH(sysroot,
1940 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1941 [search for usr/lib et al within DIR]),
1942 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1943 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1944 [search for usr/lib et al within DIR])
1945 AC_SUBST(TARGET_SYSTEM_ROOT)
1946 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1948 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1949 [automatically load a system-wide gdbinit file],
1952 AC_ARG_ENABLE(werror,
1953 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1954 [case "${enableval}" in
1955 yes | y) ERROR_ON_WARNING="yes" ;;
1956 no | n) ERROR_ON_WARNING="no" ;;
1957 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1960 # Enable -Werror by default when using gcc in C mode. Leave it off
1961 # for C++ until we're warning clean. Turn it off for releases.
1962 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" \
1963 && test x"$enable_build_with_cxx" != x"yes" \
1964 && $development; then
1965 ERROR_ON_WARNING=yes
1969 if test "${ERROR_ON_WARNING}" = yes ; then
1970 WERROR_CFLAGS="-Werror"
1973 # These options work in either C or C++ modes.
1974 build_warnings="-Wall -Wpointer-arith \
1975 -Wno-unused -Wunused-value -Wunused-function \
1976 -Wno-switch -Wno-char-subscripts \
1979 # Now add in C and C++ specific options, depending on mode.
1980 if test "$enable_build_with_cxx" = "yes"; then
1981 build_warnings="$build_warnings -Wno-sign-compare -Wno-write-strings \
1984 build_warnings="$build_warnings -Wpointer-sign -Wmissing-prototypes \
1985 -Wdeclaration-after-statement -Wmissing-parameter-type \
1986 -Wold-style-declaration -Wold-style-definition"
1989 # Enable -Wno-format by default when using gcc on mingw since many
1990 # GCC versions complain about %I64.
1992 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1993 *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
1996 AC_ARG_ENABLE(build-warnings,
1997 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1998 [case "${enableval}" in
2000 no) build_warnings="-w";;
2001 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2002 build_warnings="${build_warnings} ${t}";;
2003 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2004 build_warnings="${t} ${build_warnings}";;
2005 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
2007 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
2008 echo "Setting compiler warning flags = $build_warnings" 6>&1
2010 AC_ARG_ENABLE(gdb-build-warnings,
2011 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
2012 [case "${enableval}" in
2014 no) build_warnings="-w";;
2015 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2016 build_warnings="${build_warnings} ${t}";;
2017 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
2018 build_warnings="${t} ${build_warnings}";;
2019 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
2021 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
2022 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
2025 # The set of warnings supported by a C++ compiler is not the same as
2026 # of the C compiler.
2027 if test "$enable_build_with_cxx" = "yes"; then
2032 if test "x${build_warnings}" != x -a "x$GCC" = xyes
2034 AC_MSG_CHECKING(compiler warning flags)
2035 # Separate out the -Werror flag as some files just cannot be
2036 # compiled with it enabled.
2037 for w in ${build_warnings}; do
2039 -Werr*) WERROR_CFLAGS=-Werror ;;
2041 # Check whether GCC accepts it.
2042 saved_CFLAGS="$CFLAGS"
2044 saved_CXXFLAGS="$CXXFLAGS"
2045 CXXFLAGS="$CXXFLAGS $w"
2046 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
2047 CFLAGS="$saved_CFLAGS"
2048 CXXFLAGS="$saved_CXXFLAGS"
2051 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
2053 AC_SUBST(WARN_CFLAGS)
2054 AC_SUBST(WERROR_CFLAGS)
2056 if test "$enable_build_with_cxx" = "yes"; then
2060 # In the Cygwin environment, we need some additional flags.
2061 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
2062 [AC_EGREP_CPP(^lose$, [
2063 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
2065 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
2068 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
2069 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
2071 *go32* ) SER_HARDWIRE=ser-go32.o ;;
2072 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
2073 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
2075 AC_SUBST(SER_HARDWIRE)
2077 # libreadline needs libuser32.a in a cygwin environment
2079 if test x$gdb_cv_os_cygwin = xyes; then
2080 WIN32LIBS="-luser32"
2082 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
2087 # The ser-tcp.c module requires sockets.
2090 AC_DEFINE(USE_WIN32API, 1,
2091 [Define if we should use the Windows API, instead of the
2092 POSIX API. On Windows, we use the Windows API when
2093 building for MinGW, but the POSIX API when building
2095 WIN32LIBS="$WIN32LIBS -lws2_32"
2100 # Add ELF support to GDB, but only if BFD includes ELF support.
2101 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
2102 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
2103 if test $gdb_cv_var_elf = yes; then
2104 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
2105 AC_DEFINE(HAVE_ELF, 1,
2106 [Define if ELF support should be included.])
2107 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
2108 if test "$plugins" = "yes"; then
2109 AC_SEARCH_LIBS(dlopen, dl)
2113 # Add macho support to GDB, but only if BFD includes it.
2114 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
2115 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
2116 if test $gdb_cv_var_macho = yes; then
2117 CONFIG_OBS="$CONFIG_OBS machoread.o"
2120 # Add any host-specific objects to GDB.
2121 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
2123 # If building on ELF, look for lzma support for embedded compressed debug info.
2124 if test $gdb_cv_var_elf = yes; then
2126 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
2127 [], [with_lzma=auto])
2128 AC_MSG_CHECKING([whether to use lzma])
2129 AC_MSG_RESULT([$with_lzma])
2131 if test "${with_lzma}" != no; then
2132 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
2133 [lzma_index_iter iter;
2134 lzma_index_iter_init (&iter, 0);
2135 lzma_mf_is_supported (LZMA_MF_HC3);])
2136 if test "$HAVE_LIBLZMA" != yes; then
2137 if test "$with_lzma" = yes; then
2138 AC_MSG_ERROR([missing liblzma for --with-lzma])
2144 LIBGUI="../libgui/src/libgui.a"
2145 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
2147 AC_SUBST(GUI_CFLAGS_X)
2151 AC_SUBST(WIN32LDAPP)
2154 *-*-cygwin* | *-*-mingw* )
2163 if test "${enable_gdbtk}" = "yes"; then
2165 # Gdbtk must have an absolute path to srcdir in order to run
2166 # properly when not installed.
2174 # If $no_tk is nonempty, then we can't do Tk, and there is no
2175 # point to doing Tcl.
2178 if test -z "${no_tcl}" -a -z "${no_tk}"; then
2181 # Check for in-tree tcl
2188 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
2192 # Find Tcl private headers
2193 if test x"${intree}" = xno; then
2194 CY_AC_TCL_PRIVATE_HEADERS
2195 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
2196 TCL_LIBRARY="${TCL_LIB_SPEC}"
2199 # If building tcl in the same src tree, private headers
2200 # are not needed, but we need to be sure to use the right
2202 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
2203 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
2204 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
2206 AC_SUBST(TCL_INCLUDE)
2207 AC_SUBST(TCL_LIBRARY)
2212 # Check for in-tree Tk
2214 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
2218 # Find Tk private headers
2219 if test x"${intree}" = xno; then
2220 CY_AC_TK_PRIVATE_HEADERS
2221 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
2222 TK_LIBRARY=${TK_LIB_SPEC}
2225 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
2226 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
2227 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
2229 AC_SUBST(TK_INCLUDE)
2230 AC_SUBST(TK_LIBRARY)
2232 AC_SUBST(TK_XINCLUDES)
2234 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
2236 # Include some libraries that Tcl and Tk want.
2237 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
2238 # Yes, the ordering seems wrong here. But it isn't.
2239 # TK_LIBS is the list of libraries that need to be linked
2240 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2241 # were in LIBS then any link tests after this point would
2242 # try to include things like `$(LIBGUI)', which wouldn't work.
2243 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2245 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2246 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2247 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2248 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2249 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2250 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2251 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2253 if test x$gdb_cv_os_cygwin = xyes; then
2254 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2255 WIN32LDAPP="-Wl,--subsystem,console"
2256 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2259 AC_CONFIG_SUBDIRS(gdbtk)
2267 AC_SUBST(GDBTK_CFLAGS)
2268 AC_SUBST(GDBTK_SRC_DIR)
2272 # Unlike the sim directory, whether a simulator is linked is controlled by
2273 # presence of a gdb_sim definition in the target configure.tgt entry.
2274 # This code just checks for a few cases where we'd like to ignore those
2275 # definitions, even when they're present in the '.mt' file. These cases
2276 # are when --disable-sim is specified, or if the simulator directory is
2277 # not part of the source tree.
2280 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2281 [echo "enable_sim = $enable_sim";
2282 echo "enableval = ${enableval}";
2283 case "${enableval}" in
2284 yes) ignore_sim=false ;;
2285 no) ignore_sim=true ;;
2286 *) ignore_sim=false ;;
2290 if test ! -d "${srcdir}/../sim"; then
2296 if test "${ignore_sim}" = "false"; then
2297 if test x"${gdb_sim}" != x ; then
2299 SIM_OBS="remote-sim.o"
2300 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2306 AC_SUBST(ENABLE_CFLAGS)
2307 AC_SUBST(PROFILE_CFLAGS)
2309 AC_SUBST(CONFIG_OBS)
2310 AC_SUBST(CONFIG_DEPS)
2311 AC_SUBST(CONFIG_SRCS)
2312 AC_SUBST(CONFIG_ALL)
2313 AC_SUBST(CONFIG_CLEAN)
2314 AC_SUBST(CONFIG_INSTALL)
2315 AC_SUBST(CONFIG_UNINSTALL)
2317 # List of host floatformats.
2318 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2319 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2320 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2322 # target_subdir is used by the testsuite to find the target libraries.
2324 if test "${host}" != "${target}"; then
2325 target_subdir="${target_alias}/"
2327 AC_SUBST(target_subdir)
2330 if test "${gdb_native}" = "yes"; then
2331 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2332 if test ! -f ${host_makefile_frag}; then
2333 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2335 frags="$frags $host_makefile_frag"
2337 host_makefile_frag=/dev/null
2340 AC_SUBST_FILE(host_makefile_frag)
2344 if test "${gdb_native}" = "yes"; then
2345 # We pick this up from the host configuration file (.mh) because we
2346 # do not have a native configuration Makefile fragment.
2347 nativefile=`sed -n '
2348 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
2349 ' ${host_makefile_frag}`
2353 if test x"${gdb_osabi}" != x ; then
2354 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2355 [Define to the default OS ABI for this configuration.])
2358 # Enable multi-ice-gdb-server.
2359 AC_ARG_ENABLE(multi-ice,
2360 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2364 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2366 if test "x$enable_multi_ice" = xyes; then
2367 AC_CONFIG_SUBDIRS(multi-ice)
2370 AC_ARG_ENABLE(gdbserver,
2371 AS_HELP_STRING([--enable-gdbserver],
2372 [automatically build gdbserver (yes/no/auto, default is auto)]),
2373 [case "${enableval}" in
2375 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2376 esac],[enable_gdbserver=auto])
2378 # We only build gdbserver automatically in a native configuration, and
2379 # only if the user did not explicitly disable its build.
2380 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2381 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2382 if test "x$build_gdbserver" = xyes; then
2384 AC_CONFIG_SUBDIRS(gdbserver)
2385 gdbserver_build_enabled=yes
2391 # If the user explicitly request the gdbserver to be built, verify that
2392 # we were in fact able to enable it.
2393 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2394 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2397 # Check for babeltrace and babeltrace-ctf
2398 AC_ARG_WITH(babeltrace,
2399 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2400 [], [with_babeltrace=auto])
2401 AC_MSG_CHECKING([whether to use babeltrace])
2402 AC_MSG_RESULT([$with_babeltrace])
2404 if test "x$with_babeltrace" = "xno"; then
2405 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2407 # Append -Werror to CFLAGS so that configure can catch the warning
2408 # "assignment from incompatible pointer type", which is related to
2409 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2410 # in GDB, while babeltrace 1.0.3 is broken.
2411 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2412 # safe to save and restore CFLAGS here.
2413 saved_CFLAGS=$CFLAGS
2414 CFLAGS="$CFLAGS -Werror"
2415 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2416 [#include <babeltrace/babeltrace.h>
2417 #include <babeltrace/ctf/events.h>
2418 #include <babeltrace/ctf/iterator.h>],
2419 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2420 struct bt_ctf_event *event = NULL;
2421 const struct bt_definition *scope;
2423 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2424 scope = bt_ctf_get_top_level_scope (event,
2425 BT_STREAM_EVENT_HEADER);
2426 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2428 CFLAGS=$saved_CFLAGS
2430 if test "$HAVE_LIBBABELTRACE" != yes; then
2431 if test "$with_babeltrace" = yes; then
2432 AC_MSG_ERROR([babeltrace is missing or unusable])
2434 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2439 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2440 # to an empty version.
2446 if test "${nativefile}" != ""; then
2447 case "${nativefile}" in
2448 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2449 * ) GDB_NM_FILE="${nativefile}"
2451 files="${files} ${GDB_NM_FILE}"
2452 links="${links} nm.h"
2453 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2455 AC_SUBST(GDB_NM_FILE)
2457 AC_LINK_FILES($files, $links)
2459 dnl Check for exe extension set on certain hosts (e.g. Win32)
2462 dnl Detect the character set used by this host.
2463 dnl At the moment, we just assume it's UTF-8.
2464 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2465 [Define to be a string naming the default host character set.])
2467 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2468 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2469 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2471 AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
2473 case x$CONFIG_HEADERS in
2474 xconfig.h:config.in)