dnl Autoconf configure script for GDB, the GNU debugger.
dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-dnl 2005, 2006
+dnl 2005, 2006, 2007, 2008
dnl Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
-dnl the Free Software Foundation; either version 2 of the License, or
+dnl the Free Software Foundation; either version 3 of the License, or
dnl (at your option) any later version.
-dnl
+dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
-dnl
+dnl
dnl You should have received a copy of the GNU General Public License
-dnl along with this program; if not, write to the Free Software
-dnl Foundation, Inc., 51 Franklin Street, Fifth Floor,
-dnl Boston, MA 02110-1301, USA.
+dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
dnl Process this file with autoconf to produce a configure script.
AC_GNU_SOURCE
AC_AIX
AC_ISC_POSIX
+gl_EARLY
AM_PROG_CC_STDC
-AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
+AC_CONFIG_AUX_DIR(..)
AC_CANONICAL_SYSTEM
+# Dependency checking.
+ZW_CREATE_DEPDIR
+ZW_PROG_COMPILER_DEPENDENCIES([CC])
+
+# Check for the 'make' the user wants to use.
+AC_CHECK_PROGS(MAKE, make)
+MAKE_IS_GNU=
+case "`$MAKE --version 2>&1 | sed 1q`" in
+ *GNU*)
+ MAKE_IS_GNU=yes
+ ;;
+esac
+AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
+AC_PROG_MAKE_SET
+
dnl List of object files and targets accumulated by configure.
CONFIG_OBS=
CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
fi
+gl_INIT
+
+# For Makefile dependencies.
+GNULIB_STDINT_H=
+if test x"$STDINT_H" != x; then
+ GNULIB_STDINT_H=gnulib/$STDINT_H
+fi
+AC_SUBST(GNULIB_STDINT_H)
+
PACKAGE=gdb
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
AC_SUBST(PACKAGE)
+# GDB does not use automake, but gnulib does. This line lets us
+# generate its Makefile.in.
+AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
+
debugdir=${libdir}/debug
AC_ARG_WITH(separate-debug-dir,
[Global directory for separate debug files. ])
#AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
+if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
+ else
+ test_prefix=$prefix
+ fi
+else
+ test_prefix=$exec_prefix
+fi
+case ${debugdir} in
+"${test_prefix}"|"${test_prefix}/"*|\
+'${exec_prefix}'|'${exec_prefix}/'*)
+ AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.])
+ ;;
+esac
+
AC_CONFIG_SUBDIRS(doc testsuite)
+# Check whether to support alternative target configurations
+AC_ARG_ENABLE(targets,
+[ --enable-targets alternative target configurations],
+[case "${enableval}" in
+ yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
+ ;;
+ no) enable_targets= ;;
+ *) enable_targets=$enableval ;;
+esac])
+
+# Check whether to enable 64-bit support on 32-bit hosts
+AC_ARG_ENABLE(64-bit-bfd,
+[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
+[case "${enableval}" in
+ yes) want64=true ;;
+ no) want64=false ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
+esac],[want64=false])dnl
+
# Provide defaults for some variables set by the per-host and per-target
# configuration.
gdb_host_obs=posix-hdep.o
+if test "${target}" = "${host}"; then
+ gdb_native=yes
+else
+ gdb_native=no
+fi
+
. $srcdir/configure.host
-. $srcdir/configure.tgt
+# Accumulate some settings from configure.tgt over all enabled targets
+
+TARGET_OBS=
+all_targets=
+
+for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
+do
+ if test "$targ_alias" = "all"; then
+ all_targets=true
+ else
+ # Canonicalize the secondary target names.
+ result=`$ac_config_sub $targ_alias 2>/dev/null`
+ if test -n "$result"; then
+ targ=$result
+ else
+ targ=$targ_alias
+ fi
+
+ . ${srcdir}/configure.tgt
+
+ # Target-specific object files
+ for i in ${gdb_target_obs}; do
+ case " $TARGET_OBS " in
+ *" ${i} "*) ;;
+ *)
+ TARGET_OBS="$TARGET_OBS ${i}"
+ ;;
+ esac
+ done
+
+ # Check whether this target needs 64-bit CORE_ADDR
+ if test x${want64} = xfalse; then
+ . ${srcdir}/../bfd/config.bfd
+ fi
+ fi
+done
+
+if test x${all_targets} = xtrue; then
+
+ # We want all 64-bit targets if we either:
+ # - run on a 64-bit host or
+ # - already require 64-bit support for some other target or
+ # - the --enable-64-bit-bfd option was supplied
+ # Otherwise we only support all 32-bit targets.
+ #
+ # NOTE: This test must be in sync with the corresponding
+ # tests in BFD!
+
+ if test x${want64} = xfalse; then
+ AC_CHECK_SIZEOF(long)
+ if test "x${ac_cv_sizeof_long}" = "x8"; then
+ want64=true
+ fi
+ fi
+ if test x${want64} = xtrue; then
+ TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
+ else
+ TARGET_OBS='$(ALL_TARGET_OBS)'
+ fi
+fi
+
+AC_SUBST(TARGET_OBS)
+
+# For other settings, only the main target counts.
+gdb_sim=
+gdb_osabi=
+build_gdbserver=
+targ=$target; . ${srcdir}/configure.tgt
# Fetch the default architecture and default target vector from BFD.
targ=$target; . $srcdir/../bfd/config.bfd
[Define to BFD's default target vector. ])
fi
-AC_ARG_PROGRAM
-
# The CLI cannot be disabled yet, but may be in the future.
# Enable CLI.
AC_ARG_ENABLE(tui,
[ --enable-tui enable full-screen terminal user interface (TUI)],
[case $enableval in
- yes | no)
+ yes | no | auto)
;;
*)
AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
- esac],enable_tui=yes)
+ esac],enable_tui=auto)
# Enable gdbtk.
AC_ARG_ENABLE(gdbtk,
*)
AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
esac],
- [if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
+ [if test -d $srcdir/gdbtk; then
enable_gdbtk=yes
else
enable_gdbtk=no
AC_DEFINE(HAVE__ETEXT, 1,
[Define to 1 if your system has the _etext variable. ])
fi
+AC_CACHE_CHECK([for etext], ac_cv_var_etext,
+[AC_TRY_LINK(
+[#include <stdlib.h>
+extern char etext;
+],
+[free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
+if test $ac_cv_var_etext = yes; then
+ AC_DEFINE(HAVE_ETEXT, 1,
+ [Define to 1 if your system has the etext variable. ])
+fi
if test "$enable_profiling" = yes ; then
if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
CFLAGS="$OLD_CFLAGS"
fi
+ACX_PKGVERSION([GDB])
+ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
+AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
+AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
+
# --------------------- #
# Checks for programs. #
# --------------------- #
# Some systems (e.g. Solaris) have `socketpair' in libsocket.
AC_SEARCH_LIBS(socketpair, socket)
+# Link in zlib if we can. This allows us to read compressed debug sections.
+AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
+
# For the TUI, we need enhanced curses functionality.
#
# FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
# a situation.
AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
+# On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
+AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
+
# Since GDB uses Readline, we need termcap functionality. In many
# cases this will be provided by the curses library, but some systems
# have a seperate termcap library, or no curses library at all.
AC_MSG_ERROR([no termcap library found])
fi
-AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
- [XML_Parser p = XML_ParserCreate (0);])
-if test "$HAVE_LIBEXPAT" != yes; then
- AC_MSG_WARN([expat is missing or unusable; some features may be disabled.])
+AC_ARG_WITH([system-readline],
+ [AS_HELP_STRING([--with-system-readline],
+ [use installed readline library])])
+
+if test "$with_system_readline" = yes; then
+ READLINE=-lreadline
+ READLINE_DEPS=
+ READLINE_CFLAGS=
+else
+ READLINE='$(READLINE_DIR)/libreadline.a'
+ READLINE_DEPS='$(READLINE)'
+ READLINE_CFLAGS='-I$(READLINE_SRC)/..'
fi
+AC_SUBST(READLINE)
+AC_SUBST(READLINE_DEPS)
+AC_SUBST(READLINE_CFLAGS)
+
+AC_ARG_WITH(expat,
+ AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
+ [], [with_expat=auto])
+AC_MSG_CHECKING([whether to use expat])
+AC_MSG_RESULT([$with_expat])
+
+if test "${with_expat}" = no; then
+ AC_MSG_WARN([expat support disabled; some features may be unavailable.])
+ HAVE_LIBEXPAT=no
+else
+ AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
+ [XML_Parser p = XML_ParserCreate (0);])
+ if test "$HAVE_LIBEXPAT" != yes; then
+ if test "$with_expat" = yes; then
+ AC_MSG_ERROR([expat is missing or unusable])
+ else
+ AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
+ fi
+ else
+ save_LIBS=$LIBS
+ LIBS="$LIBS $LIBEXPAT"
+ AC_CHECK_FUNCS(XML_StopParser)
+ LIBS=$save_LIBS
+ fi
+fi
+
+dnl Utility to simplify finding libpython.
+AC_DEFUN([AC_TRY_LIBPYTHON],
+[
+ version=$1
+ define([have_libpython_var],$2)
+ define([VERSION],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+ [HAVE_LIB]VERSION=no
+ AC_MSG_CHECKING([for ${version}])
+ save_LIBS=$LIBS
+ LIBS="$LIBS -l${version}"
+ AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]],
+ [[Py_Initialize ();]]),
+ [[HAVE_LIB]VERSION=yes
+ have_libpython_var=yes],
+ [LIBS=$save_LIBS])
+ AC_MSG_RESULT([$[HAVE_LIB]VERSION])
+])
+
+AC_ARG_WITH(python,
+ AS_HELP_STRING([--with-python], [include python support (auto/yes/no/<path>)]),
+ [], [with_python=auto])
+AC_MSG_CHECKING([whether to use python])
+AC_MSG_RESULT([$with_python])
+
+if test "${with_python}" = no; then
+ AC_MSG_WARN([python support disabled; some features may be unavailable.])
+ have_libpython=no
+else
+ case "${with_python}" in
+ yes | auto)
+ # Leave as empty, use defaults.
+ python_includes=
+ python_libs=
+ ;;
+ /*)
+ python_includes="-I${with_python}/include"
+ python_libs="-L${with_python}/lib"
+ ;;
+ *)
+ AC_ERROR(invalid value for --with-python)
+ ;;
+ esac
+
+ save_CPPFLAGS=$CPPFLAGS
+ CPPFLAGS="$CPPFLAGS ${python_includes}"
+ save_LIBS=$LIBS
+ LIBS="$LIBS ${python_libs}"
+ have_libpython=no
+ if test "${have_libpython}" = no; then
+ AC_TRY_LIBPYTHON(python2.6, have_libpython)
+ if test "${HAVE_LIBPYTHON2_6}" = yes; then
+ AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
+ fi
+ fi
+ if test ${have_libpython} = no; then
+ AC_TRY_LIBPYTHON(python2.5, have_libpython)
+ if test "${HAVE_LIBPYTHON2_5}" = yes; then
+ AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
+ fi
+ fi
+ if test ${have_libpython} = no; then
+ AC_TRY_LIBPYTHON(python2.4, have_libpython)
+ if test "${HAVE_LIBPYTHON2_4}" = yes; then
+ AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
+ fi
+ fi
+ if test ${have_libpython} = no; then
+ case "${with_python}" in
+ yes)
+ AC_MSG_ERROR([python is missing or unusable])
+ ;;
+ auto)
+ AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
+ ;;
+ *)
+ AC_MSG_ERROR([no usable python found at ${with_python}])
+ ;;
+ esac
+ CPPFLAGS=$save_CPPFLAGS
+ LIBS=$save_LIBS
+ fi
+fi
+
+if test "${have_libpython}" = yes; then
+ AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
+ CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
+ CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
+ CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
+ ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
+
+ # Flags needed to compile Python code (taken from python-config --cflags).
+ # We cannot call python-config directly because it will output whatever was
+ # used when compiling the Python interpreter itself, including flags which
+ # would make the python-related objects be compiled differently from the
+ # rest of GDB (e.g., -O2 and -fPIC).
+ if test "${GCC}" = yes; then
+ tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
+ fi
+
+ if test "x${tentative_python_cflags}" != x; then
+ AC_MSG_CHECKING(compiler flags for python code)
+ for flag in ${tentative_python_cflags}; do
+ # Check that the compiler accepts it
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $flag"
+ AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
+ CFLAGS="$saved_CFLAGS"
+ done
+ AC_MSG_RESULT(${PYTHON_CFLAGS})
+ fi
+else
+ # Even if Python support is not compiled in, we need to have this file
+ # included in order to recognize the GDB command "python".
+ CONFIG_OBS="$CONFIG_OBS python.o"
+ CONFIG_SRCS="$CONFIG_SRCS python/python.c"
+fi
+AC_SUBST(PYTHON_CFLAGS)
# ------------------------- #
# Checks for header files. #
AC_CHECK_HEADERS(machine/reg.h)
AC_CHECK_HEADERS(poll.h sys/poll.h)
AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
+AC_CHECK_HEADERS(signal.h)
AC_CHECK_HEADERS(stddef.h)
AC_CHECK_HEADERS(stdlib.h)
-AC_CHECK_HEADERS(stdint.h)
AC_CHECK_HEADERS(string.h memory.h strings.h)
AC_CHECK_HEADERS(sys/fault.h)
AC_CHECK_HEADERS(sys/file.h)
AC_CHECK_HEADERS(sys/filio.h)
AC_CHECK_HEADERS(sys/ioctl.h)
AC_CHECK_HEADERS(sys/param.h)
+AC_CHECK_HEADERS(sys/resource.h)
AC_CHECK_HEADERS(sys/proc.h, [], [],
[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])
+# Check for HP/UX 64-bit shared library support
+AC_CHECK_HEADERS(elf_hp.h)
+
# FIXME: kettenis/20030102: In most cases we include these
# unconditionally, so what's the point in checking these?
AC_CHECK_HEADERS(ctype.h time.h)
-# Create a header we can use portably to get the standard integer types.
-GCC_HEADER_STDINT(gdb_stdint.h)
-
# ------------------------- #
# Checks for declarations. #
# ------------------------- #
[#include <sys/types.h>
#include <sys/socket.h>
])
-AC_CHECK_TYPES(uintptr_t, [], [], [#include <stdint.h>])
# ------------------------------------- #
# Checks for compiler characteristics. #
AC_C_CONST
AC_C_INLINE
+AC_C_BIGENDIAN
# ------------------------------ #
# Checks for library functions. #
AC_FUNC_MMAP
AC_FUNC_VFORK
AC_CHECK_FUNCS(canonicalize_file_name realpath)
+AC_CHECK_FUNCS(getrusage)
AC_CHECK_FUNCS(getuid getgid)
AC_CHECK_FUNCS(poll)
AC_CHECK_FUNCS(pread64)
AC_CHECK_FUNCS(sbrk)
-AC_CHECK_FUNCS(setpgid setpgrp)
+AC_CHECK_FUNCS(setpgid setpgrp setsid)
AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
AC_CHECK_FUNCS(socketpair)
AC_CHECK_FUNCS(syscall)
: ${gdb_cv_func_ptrace_ret='int'}
: ${gdb_cv_func_ptrace_args='int,int,long,long'}
], $gdb_ptrace_headers)
-# Check return type.
+# Check return type. Varargs (used on GNU/Linux) conflict with the
+# empty argument list, so check for that explicitly.
AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
AC_TRY_COMPILE($gdb_ptrace_headers,
- [extern int ptrace ();],
- gdb_cv_func_ptrace_ret='int',
- gdb_cv_func_ptrace_ret='long'))
+ [extern long ptrace (enum __ptrace_request, ...);],
+ gdb_cv_func_ptrace_ret='long',
+ AC_TRY_COMPILE($gdb_ptrace_headers,
+ [extern int ptrace ();],
+ gdb_cv_func_ptrace_ret='int',
+ gdb_cv_func_ptrace_ret='long')))
AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
[Define as the return type of ptrace.])
# Check argument types.
AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
+ AC_TRY_COMPILE($gdb_ptrace_headers,
+ [extern long ptrace (enum __ptrace_request, ...);],
+ [gdb_cv_func_ptrace_args='int,int,long,long'],[
for gdb_arg1 in 'int' 'long'; do
for gdb_arg2 in 'pid_t' 'int' 'long'; do
- for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long'; do
+ for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
for gdb_arg4 in 'int' 'long'; do
AC_TRY_COMPILE($gdb_ptrace_headers, [
extern $gdb_cv_func_ptrace_ret
done
# Provide a safe default value.
: ${gdb_cv_func_ptrace_args='int,int,long,long'}
-])
+])])
ac_save_IFS=$IFS; IFS=','
set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
IFS=$ac_save_IFS
[Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
fi
-# If we are configured native on GNU/Linux, work around problems with
-# sys/procfs.h
-# Also detect which type of /proc is in use, such as for Unixware or Solaris.
+# Detect which type of /proc is in use, such as for Unixware or Solaris.
if test "${target}" = "${host}"; then
case "${host}" in
- i[[3456]]86-*-linux*)
- AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED, 2,
- [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
- AC_DEFINE(sys_quotactl, 1,
- [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
- ;;
*-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
AC_DEFINE(NEW_PROC_API, 1,
[Define if you want to use new multi-fd /proc interface
(replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
;;
- *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]])
+ *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
AC_DEFINE(NEW_PROC_API, 1,
[Define if you want to use new multi-fd /proc interface
(replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
[Define to 1 if the "%ll" format works to print long longs.])
fi
+# Check if the compiler and runtime support printing decfloats.
+
+AC_CACHE_CHECK([for decfloat support in printf],
+ gdb_cv_printf_has_decfloat,
+ [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
+[[char buf[64];
+ _Decimal32 d32 = 1.2345df;
+ _Decimal64 d64 = 1.2345dd;
+ _Decimal128 d128 = 1.2345dl;
+ sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
+ return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
+ gdb_cv_printf_has_decfloat=yes,
+ gdb_cv_printf_has_decfloat=no,
+ gdb_cv_printf_has_decfloat=no)])
+if test $gdb_cv_printf_has_decfloat = yes; then
+ AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
+ [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
+fi
+
# Check if the compiler supports the `long double' type. We can't use
# AC_C_LONG_DOUBLE because that one does additional checks on the
# constants defined in <float.h> that fail on some systems,
AC_SUBST(CONFIG_LDFLAGS)
fi
-dnl See if we have a thread_db header file that has TD_NOTALLOC.
+dnl See if we have a thread_db header file that has TD_NOTALLOC and
+dnl other error codes.
if test "x$ac_cv_header_thread_db_h" = "xyes"; then
AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
gdb_cv_thread_db_h_has_td_notalloc,
gdb_cv_thread_db_h_has_td_notalloc=no
)
)
+ AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
+ gdb_cv_thread_db_h_has_td_version,
+ AC_TRY_COMPILE(
+ [#include <thread_db.h>],
+ [int i = TD_VERSION;],
+ gdb_cv_thread_db_h_has_td_version=yes,
+ gdb_cv_thread_db_h_has_td_version=no
+ )
+ )
+ AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
+ gdb_cv_thread_db_h_has_td_notls,
+ AC_TRY_COMPILE(
+ [#include <thread_db.h>],
+ [int i = TD_NOTLS;],
+ gdb_cv_thread_db_h_has_td_notls=yes,
+ gdb_cv_thread_db_h_has_td_notls=no
+ )
+ )
fi
if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
[Define if <thread_db.h> has the TD_NOTALLOC error code.])
fi
+if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
+ AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
+ [Define if <thread_db.h> has the TD_VERSION error code.])
+fi
+if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
+ AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
+ [Define if <thread_db.h> has the TD_NOTLS error code.])
+fi
dnl See if we have a sys/syscall header file that has __NR_tkill.
if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
fi
+dnl Check if we can disable the virtual address space randomization.
+dnl The functionality of setarch -R.
+AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
+define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
+# if !HAVE_DECL_ADDR_NO_RANDOMIZE
+# define ADDR_NO_RANDOMIZE 0x0040000
+# endif
+ /* Test the flag could be set and stays set. */
+ personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
+ if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
+ return 1])])
+AC_RUN_IFELSE([PERSONALITY_TEST],
+ [have_personality=true],
+ [have_personality=false],
+ [AC_LINK_IFELSE([PERSONALITY_TEST],
+ [have_personality=true],
+ [have_personality=false])])
+if $have_personality
+then
+ AC_DEFINE([HAVE_PERSONALITY], 1,
+ [Define if you support the personality syscall.])
+fi
+
dnl Handle optional features that can be enabled.
AC_ARG_WITH(sysroot,
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
- if test "x$exec_prefix" = xNONE; then
- if test "x$prefix" = xNONE; then
- test_prefix=/usr/local
- else
- test_prefix=$prefix
- fi
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
else
- test_prefix=$exec_prefix
+ test_prefix=$prefix
+ fi
+ if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
+ test_exec_prefix=$test_prefix
+ else
+ test_exec_prefix=$exec_prefix
fi
case ${TARGET_SYSTEM_ROOT} in
"${test_prefix}"|"${test_prefix}/"*|\
+ "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
+ '${prefix}'|'${prefix}/'*|\
'${exec_prefix}'|'${exec_prefix}/'*)
t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
TARGET_SYSTEM_ROOT_DEFINE="$t"
WERROR_CFLAGS="-Werror"
fi
-# NOTE: Don't add -Wall or -Wunused, they both include
-# -Wunused-parameter which reports bogus warnings.
-# NOTE: If you add to this list, remember to update
+# The entries after -Wno-pointer-sign are disabled warnings which may
+# be enabled in the future, which can not currently be used to build
+# GDB.
+# NOTE: If you change this list, remember to update
# gdb/doc/gdbint.texinfo.
-build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
--Wformat -Wparentheses -Wpointer-arith -Wformat-nonliteral \
--Wunused-label -Wunused-function -Wno-pointer-sign"
-
-# GCC supports -Wuninitialized only with -O or -On, n != 0.
-if test x${CFLAGS+set} = xset; then
- case "${CFLAGS}" in
- *"-O0"* ) ;;
- *"-O"* )
- build_warnings="${build_warnings} -Wuninitialized"
- ;;
- esac
-else
- build_warnings="${build_warnings} -Wuninitialized"
-fi
+build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
+-Wformat-nonliteral -Wno-pointer-sign \
+-Wno-unused -Wno-switch -Wno-char-subscripts"
+
+# Enable -Wno-format by default when using gcc on mingw since many
+# GCC versions complain about %I64.
+case "${host}" in
+ *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
+esac
-# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
-# -Wunused-function -Wunused-variable -Wunused-value
-# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
-# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
-# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
-# -Woverloaded-virtual -Winline -Werror"
AC_ARG_ENABLE(build-warnings,
[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
[case "${enableval}" in
CFLAGS="$saved_CFLAGS"
esac
done
- AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
+ AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
fi
AC_SUBST(WARN_CFLAGS)
AC_SUBST(WERROR_CFLAGS)
esac
AC_SUBST(WIN32LIBS)
+# Add ELF support to GDB, but only if BFD includes ELF support.
+OLD_CFLAGS=$CFLAGS
+OLD_LDFLAGS=$LDFLAGS
+OLD_LIBS=$LIBS
+CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
+LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
+intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
+LIBS="-lbfd -liberty $intl $LIBS"
+AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
+[AC_TRY_LINK(
+[#include <stdlib.h>
+#include "bfd.h"
+#include "elf-bfd.h"
+],
+[bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
+gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
+if test $gdb_cv_var_elf = yes; then
+ CONFIG_OBS="$CONFIG_OBS elfread.o"
+ AC_DEFINE(HAVE_ELF, 1,
+ [Define if ELF support should be included.])
+fi
+CFLAGS=$OLD_CFLAGS
+LDFLAGS=$OLD_LDFLAGS
+LIBS=$OLD_LIBS
+
# Add any host-specific objects to GDB.
CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
AC_SUBST(WIN32LDAPP)
case "${host}" in
-*-*-cygwin*)
+*-*-cygwin* | *-*-mingw* )
configdir="win"
;;
*)
GDBTK_SRC_DIR=`pwd`
cd $here
- CY_AC_PATH_TCLCONFIG
+ SC_PATH_TCLCONFIG
if test -z "${no_tcl}"; then
- CY_AC_LOAD_TCLCONFIG
- CY_AC_PATH_TKCONFIG
-
- # now look for Tcl library stuff
-
- tcldir="../tcl/${configdir}/"
-
- TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
+ SC_LOAD_TCLCONFIG
+
+ # Check for in-tree tcl
+ here=`pwd`
+ cd ${srcdir}/..
+ topdir=`pwd`
+ cd ${here}
+
+ intree="no"
+ if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
+ intree="yes"
+ fi
+
+ # Find Tcl private headers
+ if test x"${intree}" = xno; then
+ CY_AC_TCL_PRIVATE_HEADERS
+ TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
+ TCL_LIBRARY="${TCL_LIB_SPEC}"
+ TCL_DEPS=""
+ else
+ # If building tcl in the same src tree, private headers
+ # are not needed, but we need to be sure to use the right
+ # headers library
+ TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
+ TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
+ TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
+ fi
+ AC_SUBST(TCL_INCLUDE)
+ AC_SUBST(TCL_LIBRARY)
+ AC_SUBST(TCL_DEPS)
# If $no_tk is nonempty, then we can't do Tk, and there is no
# point to doing Tcl.
if test -z "${no_tk}"; then
- CY_AC_LOAD_TKCONFIG
- CY_AC_PATH_TCLH
- CY_AC_PATH_TKH
- CY_AC_PATH_ITCLH
- CY_AC_PATH_ITKH
-
-
- # now look for Tk library stuff
-
- tkdir="../tk/${configdir}/"
+ SC_PATH_TKCONFIG
+ SC_LOAD_TKCONFIG
- TK_DEPS="${tkdir}${TK_LIB_FILE}"
-
- # now look for Itcl library stuff
-
- CY_AC_PATH_ITCLCONFIG
- if test -z "${no_itcl}"; then
- CY_AC_LOAD_ITCLCONFIG
-
- ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
- ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
+ # Check for in-tree Tk
+ intree="no"
+ if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
+ intree="yes"
fi
-
- # now look for Itk library stuff
- CY_AC_PATH_ITKCONFIG
- if test -z "${no_itcl}"; then
- CY_AC_LOAD_ITKCONFIG
-
- ITKLIB="${ITK_BUILD_LIB_SPEC}"
- ITK_DEPS="${ITK_LIB_FULL_PATH}"
+ # Find Tk private headers
+ if test x"${intree}" = xno; then
+ CY_AC_TK_PRIVATE_HEADERS
+ TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
+ TK_LIBRARY=${TK_LIB_SPEC}
+ TK_DEPS=""
+ else
+ TK_INCLUDE="-I${TK_SRC_DIR}/generic"
+ TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
+ TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
fi
+ AC_SUBST(TK_INCLUDE)
+ AC_SUBST(TK_LIBRARY)
+ AC_SUBST(TK_DEPS)
+ AC_SUBST(TK_XINCLUDES)
ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
# Include some libraries that Tcl and Tk want.
- TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
+ TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
# Yes, the ordering seems wrong here. But it isn't.
# TK_LIBS is the list of libraries that need to be linked
# after Tcl/Tk. Note that this isn't put into LIBS. If it
AC_SUBST(X_CFLAGS)
AC_SUBST(X_LDFLAGS)
AC_SUBST(X_LIBS)
-AC_SUBST(TCL_DEPS)
-AC_SUBST(TK_DEPS)
-AC_SUBST(ITCLLIB)
-AC_SUBST(ITCL_DEPS)
-AC_SUBST(ITKLIB)
-AC_SUBST(ITK_DEPS)
AC_SUBST(GDBTKLIBS)
AC_SUBST(GDBTK_CFLAGS)
AC_SUBST(GDBTK_SRC_DIR)
# Check whether we should enable the TUI, but only do so if we really
# can.
-if test x"$enable_tui" = xyes; then
+if test x"$enable_tui" != xno; then
if test -d $srcdir/tui; then
if test "$ac_cv_search_waddstr" != no; then
CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
- CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
CONFIG_ALL="${CONFIG_ALL} all-tui"
CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
else
- AC_MSG_WARN([no enhanced curses library found; disabling TUI])
+ if test x"$enable_tui" = xyes; then
+ AC_MSG_ERROR([no enhanced curses library found; disable TUI])
+ else
+ AC_MSG_WARN([no enhanced curses library found; disabling TUI])
+ fi
fi
fi
fi
# Unlike the sim directory, whether a simulator is linked is controlled by
-# presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
+# presence of a gdb_sim definition in the target configure.tgt entry.
# This code just checks for a few cases where we'd like to ignore those
# definitions, even when they're present in the '.mt' file. These cases
# are when --disable-sim is specified, or if the simulator directory is
ignore_sim=true
fi
-if test "${ignore_sim}" = "true"; then
- IGNORE_SIM="SIM="
- IGNORE_SIM_OBS="SIM_OBS="
-else
- IGNORE_SIM=""
- IGNORE_SIM_OBS=""
+SIM=
+SIM_OBS=
+if test "${ignore_sim}" = "false"; then
+ if test x"${gdb_sim}" != x ; then
+ SIM="${gdb_sim}"
+ SIM_OBS="remote-sim.o"
AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
+ fi
fi
-AC_SUBST(IGNORE_SIM)
-AC_SUBST(IGNORE_SIM_OBS)
+AC_SUBST(SIM)
+AC_SUBST(SIM_OBS)
AC_SUBST(ENABLE_CFLAGS)
AC_SUBST(PROFILE_CFLAGS)
AC_SUBST(target_subdir)
frags=
-if test "${target}" = "${host}"; then
+if test "${gdb_native}" = "yes"; then
host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
if test ! -f ${host_makefile_frag}; then
AC_MSG_ERROR("*** Gdb does not support native target ${host}")
host_makefile_frag=/dev/null
fi
-target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
-if test ! -f ${target_makefile_frag}; then
- AC_MSG_ERROR("*** Gdb does not support target ${target}")
-fi
-frags="$frags $target_makefile_frag"
-
AC_SUBST_FILE(host_makefile_frag)
-AC_SUBST_FILE(target_makefile_frag)
AC_SUBST(frags)
changequote(,)dnl
-hostfile=`sed -n '
-s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
-' ${host_makefile_frag}`
-
-targetfile=`sed -n '
-s/DEPRECATED_TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
-' ${target_makefile_frag}`
-
-if test "${target}" = "${host}"; then
+if test "${gdb_native}" = "yes"; then
# We pick this up from the host configuration file (.mh) because we
# do not have a native configuration Makefile fragment.
nativefile=`sed -n '
AC_CONFIG_SUBDIRS(multi-ice)
fi
-# We only build gdbserver automatically if host and target are the same.
-if test "x$target" = "x$host"; then
+# We only build gdbserver automatically in a native configuration.
+if test "$gdb_native" = "yes"; then
AC_MSG_CHECKING(whether gdbserver is supported on this host)
if test "x$build_gdbserver" = xyes; then
AC_MSG_RESULT(yes)
fi
fi
-# If hostfile (XM_FILE) and/or targetfile (DEPRECATED_TM_FILE) and/or
-# nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
+# If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
# to an empty version.
files=
links=
-rm -f xm.h
-xm_h=""
-if test "${hostfile}" != ""; then
- xm_h=xm.h
- case "${hostfile}" in
- xm-*.h ) GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}" ;;
- * ) GDB_XM_FILE="${hostfile}"
- esac
- files="${files} ${GDB_XM_FILE}"
- links="${links} xm.h"
- AC_DEFINE_UNQUOTED(GDB_XM_FILE, "${GDB_XM_FILE}", [hostfile])
-fi
-AC_SUBST(xm_h)
-
-rm -f tm.h
-tm_h=""
-if test "${targetfile}" != ""; then
- tm_h=tm.h
- case "${targetfile}" in
- tm-*.h ) GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}" ;;
- * ) GDB_TM_FILE="${targetfile}"
- esac
- files="${files} ${GDB_TM_FILE}"
- links="${links} tm.h"
- AC_DEFINE_UNQUOTED(GDB_TM_FILE, "${GDB_TM_FILE}", [targetfile])
-fi
-AC_SUBST(tm_h)
-
rm -f nm.h
nm_h=""
if test "${nativefile}" != ""; then
AM_ICONV
-AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
+AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
[
dnl Autoconf doesn't provide a mechanism for modifying definitions
dnl provided by makefile fragments.
dnl
changequote(,)dnl
-sed -e '/^DEPRECATED_TM_FILE[ ]*=/s,^DEPRECATED_TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
-/^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
-/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
+sed -e '/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
mv -f Makefile.tmp Makefile
changequote([,])dnl
],
[
gdb_host_cpu=$gdb_host_cpu
-gdb_target_cpu=$gdb_target_cpu
nativefile=$nativefile
])