AC_CONFIG_HEADER(config.h:config.in)
AM_MAINTAINER_MODE
+# Provide more thorough testing by -lmcheck.
+# Set it to 'true' for development snapshots, 'false' for releases or
+# pre-releases.
+development=true
+
AC_PROG_CC
AC_USE_SYSTEM_EXTENSIONS
-gl_EARLY
ACX_LARGEFILE
AM_PROG_CC_STDC
AC_CONFIG_AUX_DIR(..)
AC_CANONICAL_SYSTEM
+AC_ARG_PROGRAM
# Dependency checking.
ZW_CREATE_DEPDIR
AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
AC_PROG_MAKE_SET
+# Configure gnulib. We need to build gnulib under some other
+# directory not "gnulib", to avoid the problem of both GDB and
+# GDBserver wanting to build it in the same directory, when building
+# in the source dir.
+ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
+
dnl List of object files and targets accumulated by configure.
CONFIG_OBS=
CONFIG_UNINSTALL="$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([$with_auto_load_safe_path])
fi
;;
esac
+
+ # Note that "python -m threading" cannot be used to check for
+ # threading support due to a bug in Python 2.7.3
+ # (http://bugs.python.org/issue15567).
+ AC_MSG_CHECKING(whether python supports threads)
+ saved_CPPFLAGS="${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="${saved_CPPFLAGS}"
else
# Even if Python support is not compiled in, we need to have these files
# included.
AC_SUBST(PYTHON_CPPFLAGS)
AC_SUBST(PYTHON_LIBS)
+# Provide a --enable-libmcheck/--disable-libmcheck set of options
+# allowing a user to enable this option even when building releases,
+# or to disable it when building a snapshot.
+AC_ARG_ENABLE(libmcheck,
+ AS_HELP_STRING([--enable-libmcheck],
+ [Try building GDB with -lmcheck if available]),
+ [case "${enableval}" in
+ yes | y) ENABLE_LIBMCHECK="yes" ;;
+ no | n) ENABLE_LIBMCHECK="no" ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-libmcheck) ;;
+ esac])
+
+# Enable -lmcheck by default (it provides cheap-enough memory mangling),
+# but turn it off if Python is enabled with threads, since -lmcheck is
+# not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
+# and for releases.
+if test -z "${ENABLE_LIBMCHECK}" \
+ -a \( "${have_libpython}" = "no" \
+ -o "${python_has_threads}" = "no" \) \
+ && $development; then
+ ENABLE_LIBMCHECK=yes
+fi
+
+if test "$ENABLE_LIBMCHECK" = "yes" ; then
+ if test "${have_libpython}" != "no" -a "${python_has_threads}" = "yes" ; then
+ AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
+ fi
+ AC_CHECK_LIB(mcheck, main)
+fi
+
# ------------------------- #
# Checks for header files. #
# ------------------------- #
# 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 \
+ thread_db.h signal.h stddef.h \
stdlib.h string.h memory.h strings.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 \
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,
[Define if using Solaris thread debugging.])
CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
+ # On SPARC CPUs, we also need to build sparc-sol-thread.
+ case ${host_cpu} in
+ sparc*)
+ CONFIG_OBS="${CONFIG_OBS} sparc-sol-thread.o"
+ CONFIG_SRCS="${CONFIG_SRCS} sparc-sol-thread.c"
+ ;;
+ esac
AC_CHECK_LIB(dl, dlopen)
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
# Sun randomly tweaked the prototypes in <proc_service.h>
if test $gdb_cv_have_aix_thread_debug = yes; then
CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
- CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
+ LIBS="$LIBS -lpthdebug"
# Older versions of AIX do not provide the declaration for
# the getthrds function (it appears that it was introduced
*) 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
build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
-Wformat-nonliteral -Wno-pointer-sign \
-Wno-unused -Wunused-value -Wunused-function \
--Wno-switch -Wno-char-subscripts -Wmissing-prototypes"
+-Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
+-Wdeclaration-after-statement"
# Enable -Wno-format by default when using gcc on mingw since many
# GCC versions complain about %I64.
[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"
+ CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
AC_DEFINE(HAVE_ELF, 1,
[Define if ELF support should be included.])
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
[Define to be a string naming the default host character set.])
-AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile gnulib/Makefile data-directory/Makefile,
+AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
[
case x$CONFIG_HEADERS in
xconfig.h:config.in)