with_separate_debug_dir
with_gdb_datadir
with_relocated_sources
+with_auto_load_dir
with_auto_load_safe_path
enable_targets
enable_64_bit_bfd
enable_rpath
with_libexpat_prefix
with_python
+enable_libmcheck
with_included_regex
with_sysroot
with_system_gdbinit
--enable-gdbtk enable gdbtk graphical user interface (GUI)
--enable-profiling enable profiling of GDB
--disable-rpath do not hardcode runtime library paths
+ --enable-libmcheck Try building GDB with -lmcheck if available
--enable-werror treat compile warnings as errors
--enable-build-warnings enable build-time compiler warnings if gcc is used
--enable-gdb-build-warnings
[DATADIR/gdb]
--with-relocated-sources=PATH
automatically relocate this path for source files
+ --with-auto-load-dir=PATH
+ directories from which to load auto-loaded scripts
+ [$debugdir:$datadir/auto-load]
--with-auto-load-safe-path=PATH
directories safe to hold auto-loaded files
+ [--with-auto-load-dir]
--without-auto-load-safe-path
do not restrict auto-loaded files locations
--with-libunwind-ia64 use libunwind frame unwinding for ia64 targets
+# Provide more thorough testing by -lmcheck.
+# Set it to 'true' for development snapshots, 'false' for releases or
+# pre-releases.
+development=true
+
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for default auto-load directory" >&5
+$as_echo_n "checking for default auto-load directory... " >&6; }
+
+# Check whether --with-auto-load-dir was given.
+if test "${with_auto_load_dir+set}" = set; then :
+ withval=$with_auto_load_dir;
+else
+ with_auto_load_dir='$debugdir:$datadir/auto-load'
+fi
+
+escape_dir=`echo $with_auto_load_dir | sed 's/[$]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
+
+ test "x$prefix" = xNONE && prefix="$ac_default_prefix"
+ test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+ ac_define_dir=`eval echo $escape_dir`
+ ac_define_dir=`eval echo $ac_define_dir`
+
+cat >>confdefs.h <<_ACEOF
+#define AUTO_LOAD_DIR "$ac_define_dir"
+_ACEOF
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_auto_load_dir" >&5
+$as_echo "$with_auto_load_dir" >&6; }
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for default auto-load safe-path" >&5
$as_echo_n "checking for default auto-load safe-path... " >&6; }
# Check whether --with-auto-load-safe-path was given.
if test "${with_auto_load_safe_path+set}" = set; then :
withval=$with_auto_load_safe_path; if test "$with_auto_load_safe_path" = "no"; then
- with_auto_load_safe_path=""
- fi
+ with_auto_load_safe_path="/"
+ fi
else
- with_auto_load_safe_path="$prefix"
+ with_auto_load_safe_path="$with_auto_load_dir"
fi
+escape_dir=`echo $with_auto_load_safe_path | sed 's/[$]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
test "x$prefix" = xNONE && prefix="$ac_default_prefix"
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
- ac_define_dir=`eval echo $with_auto_load_safe_path`
+ ac_define_dir=`eval echo $escape_dir`
ac_define_dir=`eval echo $ac_define_dir`
cat >>confdefs.h <<_ACEOF
-#define DEFAULT_AUTO_LOAD_SAFE_PATH "$ac_define_dir"
+#define AUTO_LOAD_SAFE_PATH "$ac_define_dir"
_ACEOF
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).
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether python supports threads" >&5
+$as_echo_n "checking whether python supports threads... " >&6; }
+ saved_CPPFLAGS="${CPPFLAGS}"
+ CPPFLAGS="${PYTHON_CPPFLAGS}"
+ # Note that the test is reversed so that python_has_threads=yes on
+ # unexpected failures.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#include <Python.h>
+#ifdef WITH_THREAD
+# error
+#endif
+
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+ python_has_threads=no
+else
+ python_has_threads=yes
+fi
+rm -f conftest.err conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${python_has_threads}" >&5
+$as_echo "${python_has_threads}" >&6; }
+ CPPFLAGS="${saved_CPPFLAGS}"
else
# Even if Python support is not compiled in, we need to have these files
# included.
+# 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.
+# Check whether --enable-libmcheck was given.
+if test "${enable_libmcheck+set}" = set; then :
+ enableval=$enable_libmcheck; case "${enableval}" in
+ yes | y) ENABLE_LIBMCHECK="yes" ;;
+ no | n) ENABLE_LIBMCHECK="no" ;;
+ *) as_fn_error "bad value ${enableval} for --enable-libmcheck" "$LINENO" 5 ;;
+ esac
+fi
+
+
+# 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
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --enable-libmcheck may lead to spurious crashes if threads are used in python" >&5
+$as_echo "$as_me: WARNING: --enable-libmcheck may lead to spurious crashes if threads are used in python" >&2;}
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lmcheck" >&5
+$as_echo_n "checking for main in -lmcheck... " >&6; }
+if test "${ac_cv_lib_mcheck_main+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lmcheck $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+
+int
+main ()
+{
+return main ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_mcheck_main=yes
+else
+ ac_cv_lib_mcheck_main=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mcheck_main" >&5
+$as_echo "$ac_cv_lib_mcheck_main" >&6; }
+if test "x$ac_cv_lib_mcheck_main" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBMCHECK 1
+_ACEOF
+
+ LIBS="-lmcheck $LIBS"
+
+fi
+
+fi
+
# ------------------------- #
# Checks for header files. #
# ------------------------- #
# FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
# unconditionally, so what's the point in checking these?
for ac_header in nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
- thread_db.h gnu/libc-version.h signal.h stddef.h \
+ thread_db.h signal.h stddef.h \
stdlib.h string.h memory.h strings.h sys/fault.h \
sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
fi
+# See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
+# Older amd64 Linux's don't have the fs_base and gs_base members of
+# `struct user_regs_struct'.
+ac_fn_c_check_member "$LINENO" "struct user_regs_struct" "fs_base" "ac_cv_member_struct_user_regs_struct_fs_base" "#include <sys/user.h>
+"
+if test "x$ac_cv_member_struct_user_regs_struct_fs_base" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_USER_REGS_STRUCT_FS_BASE 1
+_ACEOF
+
+
+fi
+ac_fn_c_check_member "$LINENO" "struct user_regs_struct" "gs_base" "ac_cv_member_struct_user_regs_struct_gs_base" "#include <sys/user.h>
+"
+if test "x$ac_cv_member_struct_user_regs_struct_gs_base" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_USER_REGS_STRUCT_GS_BASE 1
+_ACEOF
+
+
+fi
+
+
# See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PTRACE_GETREGS" >&5
$as_echo_n "checking for PTRACE_GETREGS... " >&6; }
CONFIG_OBS="${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
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
$as_echo_n "checking for dlopen in -ldl... " >&6; }
if test "${ac_cv_lib_dl_dlopen+set}" = set; then :
fi
-# 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.
elif test "`uname -s`" = "Darwin"; then
# If Tcl was built as a framework, attempt to use the libraries
# from the framework at the given location so that linking works
- # against Tcl.framework installed in an arbitary location.
+ # against Tcl.framework installed in an arbitrary location.
case ${TCL_DEFS} in
*TCL_FRAMEWORK*)
if test -f "${TCL_BIN_DIR}/${TCL_LIB_FILE}"; then
elif test "`uname -s`" = "Darwin"; then
# If Tk was built as a framework, attempt to use the libraries
# from the framework at the given location so that linking works
- # against Tk.framework installed in an arbitary location.
+ # against Tk.framework installed in an arbitrary location.
case ${TK_DEFS} in
*TK_FRAMEWORK*)
if test -f "${TK_BIN_DIR}/${TK_LIB_FILE}"; then
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