dnl Autoconf configure script for GDB, the GNU debugger.
-dnl Copyright (C) 1995-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 1995-2014 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
-dnl
+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 3 of the License, or
AC_CONFIG_HEADER(config.h:config.in)
AM_MAINTAINER_MODE
+# Set the 'development' global.
+. $srcdir/../bfd/development.sh
+
AC_PROG_CC
AC_USE_SYSTEM_EXTENSIONS
-gl_EARLY
ACX_LARGEFILE
AM_PROG_CC_STDC
+AM_PROG_INSTALL_STRIP
AC_CONFIG_AUX_DIR(..)
AC_CANONICAL_SYSTEM
+AC_ARG_PROGRAM
# Dependency checking.
ZW_CREATE_DEPDIR
AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
AC_PROG_MAKE_SET
+# Configure gnulib. We need to build gnulib under some other
+# directory not "gnulib", to avoid the problem of both GDB and
+# GDBserver wanting to build it in the same directory, when building
+# in the source dir.
+ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
+
dnl List of object files and targets accumulated by configure.
CONFIG_OBS=
if test x"$USE_NLS" = xyes; then
CONFIG_ALL="$CONFIG_ALL all-po"
- CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
+ CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
CONFIG_INSTALL="$CONFIG_INSTALL install-po"
CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
fi
-gl_INIT
+GNULIB=build-gnulib/import
# For Makefile dependencies.
GNULIB_STDINT_H=
if test x"$STDINT_H" != x; then
- GNULIB_STDINT_H=gnulib/$STDINT_H
+ GNULIB_STDINT_H=$GNULIB/$STDINT_H
fi
AC_SUBST(GNULIB_STDINT_H)
fi
AC_SUBST(MAKEINFO_EXTRA_FLAGS)
-# GDB does not use automake, but gnulib does. This line lets us
-# generate its Makefile.in.
-AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
-
GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
[look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
[${libdir}/debug])
[Relocated directory for source files. ])
])
+AC_MSG_CHECKING([for default auto-load directory])
+AC_ARG_WITH(auto-load-dir,
+AS_HELP_STRING([--with-auto-load-dir=PATH],
+ [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
+ [with_auto_load_dir='$debugdir:$datadir/auto-load'])
+escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
+AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
+ [Directories from which to load auto-loaded scripts.])
+AC_MSG_RESULT([$with_auto_load_dir])
+
AC_MSG_CHECKING([for default auto-load safe-path])
AC_ARG_WITH(auto-load-safe-path,
-AS_HELP_STRING([--with-auto-load-safe-path=PATH], [directories safe to hold auto-loaded files])
-AS_HELP_STRING([--without-auto-load-safe-path], [do not restrict auto-loaded files locations]),
-[if test "$with_auto_load_safe_path" = "no"; then
- with_auto_load_safe_path=""
- fi],
-[with_auto_load_safe_path="$prefix"])
-AC_DEFINE_DIR(DEFAULT_AUTO_LOAD_SAFE_PATH, with_auto_load_safe_path,
+AS_HELP_STRING([--with-auto-load-safe-path=PATH],
+ [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
+AS_HELP_STRING([--without-auto-load-safe-path],
+ [do not restrict auto-loaded files locations]),
+ [if test "$with_auto_load_safe_path" = "no"; then
+ with_auto_load_safe_path="/"
+ fi],
+[with_auto_load_safe_path="$with_auto_load_dir"])
+escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
+AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
[Directories safe to hold auto-loaded files.])
AC_MSG_RESULT([$with_auto_load_safe_path])
TARGET_OBS=
all_targets=
+HAVE_NATIVE_GCORE_TARGET=
for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
do
if test x${want64} = xfalse; then
. ${srcdir}/../bfd/config.bfd
fi
+
+ # Check whether this target is native and supports gcore.
+ if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
+ && $gdb_have_gcore; then
+ HAVE_NATIVE_GCORE_TARGET=1
+ fi
fi
done
fi
AC_SUBST(TARGET_OBS)
+AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
# For other settings, only the main target counts.
gdb_sim=
AC_CHECK_TOOL(DLLTOOL, dlltool)
AC_CHECK_TOOL(WINDRES, windres)
-# Needed for GNU/Hurd.
-AC_CHECK_TOOL(MIG, mig)
+case $host_os in
+ gnu*)
+ # Needed for GNU Hurd hosts.
+ AC_CHECK_TOOL(MIG, mig)
+ if test x"$MIG" = x; then
+ AC_MSG_ERROR([MIG not found but required for $host hosts])
+ fi
+ ;;
+esac
# ---------------------- #
# Checks for libraries. #
# On alpha-osf, it appears that libtermcap and libcurses are not compatible.
# There is a very specific comment in /usr/include/curses.h explaining that
# termcap routines built into libcurses must not be used.
-#
+#
# The symptoms we observed so far is GDB unexpectedly changing
# the terminal settings when tgetent is called - this is particularly
# visible as the output is missing carriage returns, and so rapidly
go32* | *djgpp*)
ac_cv_search_tgetent="none required"
;;
- *mingw32*)
+ *mingw32*)
ac_cv_search_tgetent="none required"
CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
;;
fi
fi
+# --------------------- #
+# Check for libpython. #
+# --------------------- #
+
dnl Utility to simplify finding libpython.
dnl $1 = pythonX.Y
dnl $2 = the shell variable to assign the result to
AC_MSG_RESULT(${PYTHON_CFLAGS})
fi
- # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
- # #if _SGIAPI
- # #define siginfo __siginfo
- # #endif
- # The problem is that including Python causes some XOPEN macros to be
- # unilaterally defined, and that in turn causes _SGIAPI to evaluate
- # to false. So, we work around this issue by defining siginfo ourself
- # though the command-line.
+ # On x64 Windows, Python's include headers, and pyconfig.h in
+ # particular, rely on MS_WIN64 macro to detect that it's a 64bit
+ # version of Windows. Unfortunately, MS_WIN64 is only defined if
+ # _MSC_VER, a Microsoft-specific macro, is defined. So, when
+ # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
+ # The issue was reported to the Python community, but still isn't
+ # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
+
case "$gdb_host" in
- irix*) if test "${GCC}" = yes; then
- CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
+ mingw64)
+ if test "${GCC}" = yes; then
+ CPPFLAGS="$CPPFLAGS -DMS_WIN64"
fi
;;
esac
+
+ # Note that "python -m threading" cannot be used to check for
+ # threading support due to a bug in Python 2.7.3
+ # (http://bugs.python.org/issue15567).
+ AC_MSG_CHECKING(whether python supports threads)
+ saved_CPPFLAGS="${CPPFLAGS}"
+ CPPFLAGS="${PYTHON_CPPFLAGS}"
+ # Note that the test is reversed so that python_has_threads=yes on
+ # unexpected failures.
+ AC_PREPROC_IFELSE(AC_LANG_SOURCE([[
+#include <Python.h>
+#ifdef WITH_THREAD
+# error
+#endif
+ ]]), [python_has_threads=no], [python_has_threads=yes])
+ AC_MSG_RESULT(${python_has_threads})
+ CPPFLAGS="${saved_CPPFLAGS}"
else
- # Even if Python support is not compiled in, we need to have these files
- # included.
- CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
- CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
- python/py-prettyprint.c python/py-auto-load.c"
+ # Even if Python support is not compiled in, we need to have this file
+ # included so that the "python" command, et.al., still exists.
+ CONFIG_OBS="$CONFIG_OBS python.o"
+ CONFIG_SRCS="$CONFIG_SRCS python/python.c"
fi
AC_SUBST(PYTHON_CFLAGS)
AC_SUBST(PYTHON_CPPFLAGS)
AC_SUBST(PYTHON_LIBS)
+AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
+
+# -------------------- #
+# Check for libguile. #
+# -------------------- #
+
+dnl Utility to simplify finding libguile.
+dnl $1 = pkg-config-program
+dnl $2 = space-separate list of guile versions to try
+dnl $3 = yes|no, indicating whether to flag errors or ignore them
+dnl $4 = the shell variable to assign the result to
+dnl If libguile is found we store "yes" here.
+
+AC_DEFUN([AC_TRY_LIBGUILE],
+[
+ pkg_config=$1
+ guile_version_list=$2
+ flag_errors=$3
+ define([have_libguile_var],$4)
+ found_usable_guile=checking
+ AC_MSG_CHECKING([for usable guile from ${pkg_config}])
+ for guile_version in ${guile_version_list}; do
+ ${pkg_config} --exists ${guile_version} 2>/dev/null
+ if test $? != 0; then
+ continue
+ fi
+ dnl pkg-config says the package exists, so if we get an error now,
+ dnl that's bad.
+ new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
+ if test $? != 0; then
+ AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
+ fi
+ new_LIBS=`${pkg_config} --libs ${guile_version}`
+ if test $? != 0; then
+ AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
+ fi
+ dnl If we get this far, great.
+ found_usable_guile=${guile_version}
+ break
+ done
+ if test "${found_usable_guile}" = "checking"; then
+ if test "${flag_errors}" = "yes"; then
+ AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
+ else
+ found_usable_guile=no
+ fi
+ fi
+ dnl One final sanity check.
+ dnl The user could have said --with-guile=python-2.7.
+ if test "${found_usable_guile}" != no; then
+ save_CPPFLAGS=$CPPFLAGS
+ save_LIBS=$LIBS
+ CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
+ LIBS="$LIBS $new_LIBS"
+ AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]],
+ [[scm_init_guile ();]]),
+ [have_libguile_var=yes
+ GUILE_CPPFLAGS=$new_CPPFLAGS
+ GUILE_LIBS=$new_LIBS],
+ [found_usable_guile=no])
+ CPPFLAGS=$save_CPPFLAGS
+ LIBS=$save_LIBS
+ if test "${found_usable_guile}" = no; then
+ if test "${flag_errors}" = yes; then
+ AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
+ fi
+ fi
+ fi
+ AC_MSG_RESULT([${found_usable_guile}])
+])
+
+dnl There are several different values for --with-guile:
+dnl
+dnl no - Don't include guile support.
+dnl yes - Include guile support, error if it's missing.
+dnl The pkg-config program must be in $PATH.
+dnl auto - Same as "yes", but if guile is missing from the system,
+dnl fall back to "no".
+dnl guile-version [guile-version-choice-2 ...] -
+dnl A space-separated list of guile package versions to try.
+dnl These are passed to pkg-config as-is.
+dnl E.g., guile-2.0 or guile-2.2-uninstalled
+dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
+dnl /path/to/pkg-config -
+dnl Use this pkg-config program.
+dnl NOTE: This needn't be the "real" pkg-config program.
+dnl It could be a shell script. It is invoked as:
+dnl pkg-config --exists $version
+dnl pkg-config --cflags $version
+dnl pkg-config --libs $version
+dnl pkg-config --variable guild $version
+dnl The script will be called with $version having each value in
+dnl $try_guile_versions until --exists indicates success.
+
+AC_ARG_WITH(guile,
+ AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
+ [], [with_guile=auto])
+AC_MSG_CHECKING([whether to use guile])
+AC_MSG_RESULT([$with_guile])
+
+dnl We check guile with pkg-config.
+AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
+
+try_guile_versions="guile-2.2 guile-2.0"
+have_libguile=no
+case "${with_guile}" in
+no)
+ AC_MSG_WARN([guile support disabled; some features will be unavailable.])
+ ;;
+auto)
+ if test "${pkg_config_prog_path}" = "missing"; then
+ AC_MSG_WARN([pkg-config not found, guile support disabled])
+ else
+ AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
+ fi
+ ;;
+yes)
+ if test "${pkg_config_prog_path}" = "missing"; then
+ AC_MSG_ERROR([pkg-config not found])
+ fi
+ AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
+ ;;
+[[\\/]]* | ?:[[\\/]]*)
+ if test -x "${with_guile}"; then
+ AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
+ else
+ AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
+ fi
+ ;;
+"" | */*)
+ # Disallow --with=guile="" and --with-guile=foo/bar.
+ AC_MSG_ERROR([invalid value for --with-guile])
+ ;;
+*)
+ # A space separate list of guile versions to try, in order.
+ if test "${pkg_config_prog_path}" = "missing"; then
+ AC_MSG_ERROR([pkg-config not found])
+ fi
+ AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
+ ;;
+esac
+
+if test "${have_libguile}" != no; then
+ dnl Get the name of the 'guild' program.
+ case "${with_guile}" in
+ [[\\/]]* | ?:[[\\/]]*)
+ GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
+ ;;
+ *)
+ GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
+ ;;
+ esac
+
+ dnl Make sure guild can handle this host.
+ GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
+ dnl If not, disable guile support.
+ if test "$ac_cv_guild_ok" = no; then
+ have_libguile=no
+ AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
+ fi
+fi
+
+if test "${have_libguile}" != no; then
+ AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
+ CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
+ CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
+ CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
+ CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
+ ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
+
+ dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
+ save_LIBS="$LIBS"
+ save_CPPFLAGS="$CPPFLAGS"
+ LIBS="$GUILE_LIBS"
+ CPPFLAGS="$GUILE_CPPFLAGS"
+ AC_CHECK_FUNCS([scm_new_smob])
+ LIBS="$save_LIBS"
+ CPPFLAGS="$save_CPPFLAGS"
+else
+ # Even if Guile support is not compiled in, we need to have these files
+ # included.
+ CONFIG_OBS="$CONFIG_OBS guile.o"
+ CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
+fi
+AC_SUBST(GUILE_CPPFLAGS)
+AC_SUBST(GUILE_LIBS)
+AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
+
+# --------------------- #
+# Check for libmcheck. #
+# --------------------- #
+
+# Enable -lmcheck by default (it provides cheap-enough memory mangling),
+# but turn it off if Python is enabled with threads, since -lmcheck is
+# not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
+# and for releases.
+if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
+ && $development; then
+ libmcheck_default=yes
+else
+ libmcheck_default=no
+fi
+GDB_AC_LIBMCHECK(${libmcheck_default})
+
+if test "$ENABLE_LIBMCHECK" = "yes" \
+ -a "${have_libpython}" != "no" \
+ -a "${python_has_threads}" = "yes" ; then
+ AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
+fi
# ------------------------- #
# Checks for header files. #
# ------------------------- #
-AC_HEADER_DIRENT
-AC_HEADER_STAT
AC_HEADER_STDC
# elf_hp.h is for HP/UX 64-bit shared library support.
-# FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
-# unconditionally, so what's the point in checking these?
AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
- thread_db.h gnu/libc-version.h signal.h stddef.h \
- stdlib.h string.h memory.h strings.h sys/fault.h \
+ thread_db.h \
+ sys/fault.h \
sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
- sys/types.h sys/wait.h wait.h termios.h termio.h \
- sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h \
- dlfcn.h sys/socket.h sys/un.h])
-AC_CHECK_HEADERS(link.h, [], [],
-[#if HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#if HAVE_NLIST_H
-# include <nlist.h>
-#endif
-])
+ termios.h termio.h \
+ sgtty.h elf_hp.h \
+ dlfcn.h])
AC_CHECK_HEADERS(sys/proc.h, [], [],
[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
# Checks for declarations. #
# ------------------------- #
-AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
- snprintf, vsnprintf])
+AC_CHECK_DECLS([free, malloc, realloc, snprintf])
AM_LC_MESSAGES
# ----------------------- #
AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
pipe poll pread pread64 pwrite readlink resize_term \
sbrk setpgid setpgrp setsid \
- sigaction sigprocmask sigsetmask socketpair syscall \
+ sigaction sigprocmask sigsetmask socketpair \
ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
- setrlimit getrlimit posix_madvise waitpid lstat])
+ setrlimit getrlimit posix_madvise waitpid lstat \
+ ptrace64 sigaltstack])
AM_LANGINFO_CODESET
+GDB_AC_COMMON
# Check the return and argument types of ptrace. No canned test for
# this, so roll our own.
gdb_ptrace_headers='
-#if HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
#if HAVE_SYS_PTRACE_H
# include <sys/ptrace.h>
#endif
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' 'void *'; do
- for gdb_arg4 in 'int' 'long'; do
+ for gdb_arg4 in 'int' 'long' 'void *'; do
AC_TRY_COMPILE($gdb_ptrace_headers, [
extern $gdb_cv_func_ptrace_ret
ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
shift
AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
[Define to the type of arg 3 for ptrace.])
+AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4],
+ [Define to the type of arg 4 for ptrace.])
if test -n "$[5]"; then
AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
[Define to the type of arg 5 for ptrace.])
fi
fi
-# Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
-# since sigsetjmp might only be defined as a macro.
-AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
-[AC_TRY_COMPILE([
-#include <setjmp.h>
-], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
-gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
-if test $gdb_cv_func_sigsetjmp = yes; then
- AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
-fi
-
# Assume we'll default to using the included libiberty regex.
gdb_use_included_regex=yes
AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
[#include <machine/reg.h>])
+# See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
+# Older amd64 Linux's don't have the fs_base and gs_base members of
+# `struct user_regs_struct'.
+AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
+ [], [], [#include <sys/user.h>])
+
# See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
AC_MSG_CHECKING(for PTRACE_GETREGS)
AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
[gdb_cv_have_ptrace_getregs=no])])
AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
if test $gdb_cv_have_ptrace_getregs = yes; then
- AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
+ AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
[Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
fi
[Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
fi
-# Detect which type of /proc is in use, such as for Unixware or Solaris.
+# Detect which type of /proc is in use, such as for Solaris.
if test "${target}" = "${host}"; then
case "${host}" in
- *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
+ *-*-sysv4.2* | *-*-sysv5* )
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 if you want to use new multi-fd /proc interface.])
;;
*-*-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 if you want to use new multi-fd /proc interface.])
;;
mips-sgi-irix5*)
# Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
fi
if test "$ac_cv_header_sys_procfs_h" = yes; then
- BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
- BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
- BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
[Define if the prfpregset_t type is broken.])
fi
fi
-
- dnl Check for PIOCSET ioctl entry
-
- AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
- AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
- [AC_TRY_COMPILE([#include <unistd.h>
-#include <sys/types.h>
-#include <sys/procfs.h>
-], [
- int dummy;;
- dummy = ioctl(0, PIOCSET, &dummy);
- ],
- gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
- AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
- if test $gdb_cv_have_procfs_piocset = yes; then
- AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
- [Define if ioctl argument PIOCSET is available.])
- fi
-fi
-
-dnl For native ports (host == target), check to see what kind of
-dnl legacy link.h support is needed. (See solib-legacy.c.)
-if test ${host} = ${target} ; then
- dnl Check for struct link_map with l_ members which are indicative
- dnl of SVR4-like shared libraries
-
- AC_MSG_CHECKING(for member l_addr in struct link_map)
- AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
- [AC_TRY_COMPILE([#include <link.h>],
- [struct link_map lm; (void) lm.l_addr;],
- gdb_cv_have_struct_link_map_with_l_members=yes,
- gdb_cv_have_struct_link_map_with_l_members=no)])
- AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
- if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
- AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
- [Define if <link.h> exists and defines struct link_map which has
- members with an ``l_'' prefix. (For Solaris, SVR4, and
- SVR4-like systems.)])
- fi
-
- dnl Check for struct link_map with lm_ members which are indicative
- dnl of SunOS-like shared libraries
-
- AC_MSG_CHECKING(for member lm_addr in struct link_map)
- AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
- [AC_TRY_COMPILE([#include <sys/types.h>
-#include <link.h>],
- [struct link_map lm; (void) lm.lm_addr;],
- gdb_cv_have_struct_link_map_with_lm_members=yes,
- gdb_cv_have_struct_link_map_with_lm_members=no)])
- AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
- if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
- AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
- [Define if <link.h> exists and defines struct link_map which has
- members with an ``lm_'' prefix. (For SunOS.)])
- fi
-
- dnl Check for struct so_map with som_ members which are found on
- dnl some *BSD systems.
-
- AC_MSG_CHECKING(for member som_addr in struct so_map)
- AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
- [AC_TRY_COMPILE([#include <sys/types.h>
-#ifdef HAVE_NLIST_H
-#include <nlist.h>
-#endif
-#include <link.h>],
- [struct so_map lm; (void) lm.som_addr;],
- gdb_cv_have_struct_so_map_with_som_members=yes,
- gdb_cv_have_struct_so_map_with_som_members=no)])
- AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
- if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
- AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
- [Define if <link.h> exists and defines a struct so_map which has
- members with an ``som_'' prefix. (Found on older *BSD systems.)])
- fi
-
- dnl Check for struct link_map32 type, which allows a 64-bit Solaris
- dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
-
- AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
- AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
- [AC_TRY_COMPILE([#define _SYSCALL32
-#include <sys/link.h>], [struct link_map32 l;],
- gdb_cv_have_struct_link_map32=yes,
- gdb_cv_have_struct_link_map32=no)])
- AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
- if test $gdb_cv_have_struct_link_map32 = yes; then
- AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
- [Define if <sys/link.h> has struct link_map32])
- AC_DEFINE(_SYSCALL32, 1,
- [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
- fi
fi
# Check if the compiler supports the `long long' type.
[[switch (foo & 2) { case 0: return 1; }]])],
gdb_cv_c_long_long=yes,
gdb_cv_c_long_long=no)])
-if test $gdb_cv_c_long_long = yes; then
- AC_DEFINE(CC_HAS_LONG_LONG, 1,
- [Define to 1 if the compiler supports long long.])
+if test $gdb_cv_c_long_long != yes; then
+ # libdecnumber requires long long.
+ AC_MSG_ERROR([Compiler must support long long for GDB.])
fi
# Check if the compiler and runtime support printing long longs.
# Check if the compiler and runtime support scanning long doubles.
-AC_CACHE_CHECK([for long double support in scanf],
+AC_CACHE_CHECK([for long double support in scanf],
gdb_cv_scanf_has_long_double,
[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>]],
# Problem does not happen for the recommended libpythonX.Y.so linkage.
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $PYTHON_CFLAGS"
+ old_LIBS="$LIBS"
+ LIBS="$LIBS $PYTHON_LIBS"
AC_RUN_IFELSE(
AC_LANG_PROGRAM(
[#include "]${have_libpython}[/Python.h"],
Py_Finalize ();
return err == 0 ? 0 : 1;]),
[dynamic_list=true], [], [true])
+ LIBS="$old_LIBS"
CFLAGS="$old_CFLAGS"
fi
LDFLAGS="$old_LDFLAGS"
)
fi
dnl See if we can issue tkill syscall.
-if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
- AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
+if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then
+ AC_CHECK_FUNC(syscall,
+ 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.
[Define if you support the personality syscall.])
fi
+dnl Set the host's .gdbinit filename.
+case $host_os in
+ go32* | *djgpp*)
+ gdbinit=gdb.ini
+ ;;
+ *)
+ gdbinit=.gdbinit
+ ;;
+esac
+AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
+
dnl Handle optional features that can be enabled.
# Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
*) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
esac])
-# Enable -Werror by default when using gcc
-if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+# Enable -Werror by default when using gcc. Turn it off for releases.
+if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
ERROR_ON_WARNING=yes
fi
WERROR_CFLAGS="-Werror"
fi
-# The entries after -Wno-pointer-sign are disabled warnings which may
-# be enabled in the future, which can not currently be used to build
-# GDB.
-# NOTE: If you change this list, remember to update
-# gdb/doc/gdbint.texinfo.
build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
--Wformat-nonliteral -Wno-pointer-sign \
+-Wpointer-sign \
-Wno-unused -Wunused-value -Wunused-function \
--Wno-switch -Wno-char-subscripts -Wmissing-prototypes"
+-Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
+-Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
+-Wold-style-declaration -Wold-style-definition"
# Enable -Wno-format by default when using gcc on mingw since many
# GCC versions complain about %I64.
case "${host}" in
*-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
+ *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
esac
AC_ARG_ENABLE(build-warnings,
# In the Cygwin environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
-[AC_EGREP_CPP(lose, [
+[AC_EGREP_CPP(^lose$, [
#if defined (__CYGWIN__) || defined (__CYGWIN32__)
lose
#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
case ${host} in
*mingw32*)
AC_DEFINE(USE_WIN32API, 1,
- [Define if we should use the Windows API, instead of the
- POSIX API. On Windows, we use the Windows API when
- building for MinGW, but the POSIX API when building
+ [Define if we should use the Windows API, instead of the
+ POSIX API. On Windows, we use the Windows API when
+ building for MinGW, but the POSIX API when building
for Cygwin.])
WIN32LIBS="$WIN32LIBS -lws2_32"
;;
-esac
+esac
AC_SUBST(WIN32LIBS)
# Add ELF support to GDB, but only if BFD includes ELF support.
-OLD_CFLAGS=$CFLAGS
-OLD_LDFLAGS=$LDFLAGS
-OLD_LIBS=$LIBS
-# Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
-# points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
-# always want our bfd.
-CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
-LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
-intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
-# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
-if test "$plugins" = "yes"; then
- LIBS="-ldl $LIBS"
-fi
-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)])
+GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
+ [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
if test $gdb_cv_var_elf = yes; then
- CONFIG_OBS="$CONFIG_OBS elfread.o"
+ CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
AC_DEFINE(HAVE_ELF, 1,
[Define if ELF support should be included.])
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
if test "$plugins" = "yes"; then
- OLD_LIBS="-ldl $OLD_LIBS"
+ AC_SEARCH_LIBS(dlopen, dl)
fi
fi
-CFLAGS=$OLD_CFLAGS
-LDFLAGS=$OLD_LDFLAGS
-LIBS=$OLD_LIBS
+
+# Add macho support to GDB, but only if BFD includes it.
+GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
+ [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
+if test $gdb_cv_var_macho = yes; then
+ CONFIG_OBS="$CONFIG_OBS machoread.o"
+fi
+
+# Add SOM support to GDB, but only if BFD includes it.
+GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
+ [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
+if test $gdb_cv_var_som = yes; then
+ CONFIG_OBS="$CONFIG_OBS somread.o"
+fi
# Add any host-specific objects to GDB.
CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
+# If building on ELF, look for lzma support for embedded compressed debug info.
+if test $gdb_cv_var_elf = yes; then
+ AC_ARG_WITH(lzma,
+ AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
+ [], [with_lzma=auto])
+ AC_MSG_CHECKING([whether to use lzma])
+ AC_MSG_RESULT([$with_lzma])
+
+ if test "${with_lzma}" != no; then
+ AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
+ [lzma_index_iter iter;
+ lzma_index_iter_init (&iter, 0);
+ lzma_mf_is_supported (LZMA_MF_HC3);])
+ if test "$HAVE_LIBLZMA" != yes; then
+ if test "$with_lzma" = yes; then
+ AC_MSG_ERROR([missing liblzma for --with-lzma])
+ fi
+ fi
+ fi
+fi
+
LIBGUI="../libgui/src/libgui.a"
GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
AC_SUBST(LIBGUI)
# 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${TCL_SRC_DIR}/generic"
+ TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
fi
# Check for in-tree Tk
intree="no"
if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
- intree="yes"
+ intree="yes"
fi
# Find Tk private headers
AC_PATH_X
-# Unlike the sim directory, whether a simulator is linked is controlled by
-# presence of a gdb_sim definition in the target configure.tgt entry.
+# Unlike the sim directory, whether a simulator is linked is controlled by
+# presence of a gdb_sim definition in the target configure.tgt entry.
# This code just checks for a few cases where we'd like to ignore those
# definitions, even when they're present in the '.mt' file. These cases
# are when --disable-sim is specified, or if the simulator directory is
AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
fi
+# Check for babeltrace and babeltrace-ctf
+AC_ARG_WITH(babeltrace,
+ AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
+ [], [with_babeltrace=auto])
+AC_MSG_CHECKING([whether to use babeltrace])
+AC_MSG_RESULT([$with_babeltrace])
+
+if test "x$with_babeltrace" = "xno"; then
+ AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
+else
+ # Append -Werror to CFLAGS so that configure can catch the warning
+ # "assignment from incompatible pointer type", which is related to
+ # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
+ # in GDB, while babeltrace 1.0.3 is broken.
+ # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
+ # safe to save and restore CFLAGS here.
+ saved_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS -Werror"
+ AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
+ [#include <babeltrace/babeltrace.h>
+ #include <babeltrace/ctf/events.h>
+ #include <babeltrace/ctf/iterator.h>],
+ [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
+ struct bt_ctf_event *event = NULL;
+ const struct bt_definition *scope;
+
+ bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
+ scope = bt_ctf_get_top_level_scope (event,
+ BT_STREAM_EVENT_HEADER);
+ bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
+ ])
+ CFLAGS=$saved_CFLAGS
+
+ if test "$HAVE_LIBBABELTRACE" != yes; then
+ if test "$with_babeltrace" = yes; then
+ AC_MSG_ERROR([babeltrace is missing or unusable])
+ else
+ AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
+ fi
+ fi
+fi
+
# If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
# to an empty version.
AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
[Define to be a string naming the default host character set.])
-AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile gnulib/import/Makefile data-directory/Makefile,
+# Undo the $ec_script escaping suitable for Makefile.
+transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'`
+GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"`
+if test "x$GDB_TRANSFORM_NAME" = x; then
+ GDB_TRANSFORM_NAME=gdb
+fi
+AC_SUBST(GDB_TRANSFORM_NAME)
+GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"`
+if test "x$GCORE_TRANSFORM_NAME" = x; then
+ GCORE_TRANSFORM_NAME=gcore
+fi
+AC_SUBST(GCORE_TRANSFORM_NAME)
+AC_CONFIG_FILES([gcore], [chmod +x gcore])
+
+AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
[
case x$CONFIG_HEADERS in
xconfig.h:config.in)