* acinclude.m4 (GDB_AC_DEFINE_RELOCATABLE): New function.
(GDB_AC_WITH_DIR): Call it.
* configure.ac: Define WITH_PYTHON_PATH if we can find the
python installation directory.
* config.in: Regenerate.
* configure: Regenerate.
* defs.h (python_libdir): Declare.
* main.c (python_libdir): Define.
(captured_main): Initialize python_libdir.
* python/python.c (_initialize_python): #ifdef WITH_PYTHON_PATH,
call Py_SetProgramName to make sure python can find its libraries
and modules.
2010-05-26 Doug Evans <dje@google.com>
+ Allow python to find its files if moved from original location.
+ * acinclude.m4 (GDB_AC_DEFINE_RELOCATABLE): New function.
+ (GDB_AC_WITH_DIR): Call it.
+ * configure.ac: Define WITH_PYTHON_PATH if we can find the
+ python installation directory.
+ * config.in: Regenerate.
+ * configure: Regenerate.
+ * defs.h (python_libdir): Declare.
+ * main.c (python_libdir): Define.
+ (captured_main): Initialize python_libdir.
+ * python/python.c (_initialize_python): #ifdef WITH_PYTHON_PATH,
+ call Py_SetProgramName to make sure python can find its libraries
+ and modules.
+
* configure.ac: Try to use python's distutils to fetch compilation
parameters.
* configure: Regenerate.
fi
])
-dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT])
-dnl Add a new --with option that defines a directory.
-dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called
-dnl on this variable, as is AC_SUBST.
-dnl ARG-NAME is the base name of the argument (without "--with").
-dnl HELP is the help text to use.
-dnl If the user's choice is relative to the prefix, then the
+dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE])
+dnl For use in processing directory values for --with-foo.
+dnl If the path in SHELL_VARIABLE is relative to the prefix, then the
dnl result is relocatable, then this will define the C macro
dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
-dnl DEFAULT is the default value, which is used if the user
-dnl does not specify the argument.
-AC_DEFUN([GDB_AC_WITH_DIR], [
- AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [
- [$1]=$withval], [[$1]=[$4]])
- AC_DEFINE_DIR([$1], [$1], [$3])
- AC_SUBST([$1])
+AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [
if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
if test "x$prefix" = xNONE; then
test_prefix=/usr/local
test_prefix=$exec_prefix
fi
value=0
- case ${ac_define_dir} in
+ case [$3] in
"${test_prefix}"|"${test_prefix}/"*|\
'${exec_prefix}'|'${exec_prefix}/'*)
value=1
;;
esac
AC_DEFINE_UNQUOTED([$1]_RELOCATABLE, $value, [Define if the $2 directory should be relocated when GDB is moved.])
+])
+
+dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT])
+dnl Add a new --with option that defines a directory.
+dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called
+dnl on this variable, as is AC_SUBST.
+dnl ARG-NAME is the base name of the argument (without "--with").
+dnl HELP is the help text to use.
+dnl If the user's choice is relative to the prefix, then the
+dnl result is relocatable, then this will define the C macro
+dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
+dnl DEFAULT is the default value, which is used if the user
+dnl does not specify the argument.
+AC_DEFUN([GDB_AC_WITH_DIR], [
+ AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [
+ [$1]=$withval], [[$1]=[$4]])
+ AC_DEFINE_DIR([$1], [$1], [$3])
+ AC_SUBST([$1])
+ GDB_AC_DEFINE_RELOCATABLE([$1], [$2], ${ac_define_dir})
])
'ptrdiff_t'. */
#undef PTRDIFF_T_SUFFIX
+/* Define if the python directory should be relocated when GDB is moved. */
+#undef PYTHON_PATH_RELOCATABLE
+
/* Relocated directory for source files. */
#undef RELOC_SRCDIR
'wint_t'. */
#undef WINT_T_SUFFIX
+/* Define if --with-python provides a path, either directly or via
+ python-config.py --exec-prefix. */
+#undef WITH_PYTHON_PATH
+
/* Define if the simulator is being linked in. */
#undef WITH_SIM
--with-gnu-ld assume the C compiler uses GNU ld default=no
--with-libexpat-prefix[=DIR] search for libexpat in DIR/include and DIR/lib
--without-libexpat-prefix don't search for libexpat in includedir and libdir
- --with-python include python support (auto/yes/no/<path>)
+ --with-python[=PYTHON] include python support
+ (auto/yes/no/<python-program>)
--without-included-regex
don't use included regex; this is the default on
systems with version 2 of the GNU C library (use
+
if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
if test "x$prefix" = xNONE; then
test_prefix=/usr/local
+
# GDB's datadir relocation
+
if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
if test "x$prefix" = xNONE; then
test_prefix=/usr/local
+
# Check whether --with-relocated-sources was given.
if test "${with_relocated_sources+set}" = set; then :
withval=$with_relocated_sources; reloc_srcdir="${withval}"
+
# Check whether --with-python was given.
if test "${with_python+set}" = set; then :
withval=$with_python;
$as_echo "$as_me: WARNING: python support disabled; some features may be unavailable." >&2;}
have_libpython=no
else
- have_python_config=no
case "${with_python}" in
/*)
if test -d ${with_python}; then
# Assume the python binary is ${with_python}/bin/python.
- python_prefix=${with_python}
python_prog="${with_python}/bin/python"
+ python_prefix=
if test ! -x ${python_prog}; then
# Fall back to gdb 7.0/7.1 behaviour.
python_prog=missing
+ python_prefix=${with_python}
fi
elif test -x ${with_python}; then
# While we can't run python compiled for $host (unless host == build),
# the user could write a script that provides the needed information,
# so we support that.
- python_prefix=
python_prog=${with_python}
+ python_prefix=
else
as_fn_error "invalid value for --with-python" "$LINENO" 5
fi
if test $? != 0; then
as_fn_error "failure running python-config --ldflags" "$LINENO" 5
fi
+ python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
+ if test $? != 0; then
+ as_fn_error "failure running python-config --exec-prefix" "$LINENO" 5
+ fi
have_python_config=yes
else
# Fall back to gdb 7.0/7.1 behaviour.
python_includes="-I${python_prefix}/include"
python_libs="-L${python_prefix}/lib"
fi
+ have_python_config=no
fi
# Having "/pythonX.Y" in the include path is awkward.
# path of the, umm, include file. So strip away this part of the
# output of python-config --includes.
python_includes=`echo "${python_includes} " \
- | sed -e 's,/python[0-9]*[.][0-9]* , ,g'`
+ | sed -e 's,/python[0-9]*[.][0-9]* , ,g'`
# If we have python-config, only try the configuration it provides.
# Otherwise fallback on the old way of trying different versions of
have_libpython=no
if test "${have_python_config}" = yes; then
python_version=`echo " ${python_libs} " \
- | sed -e 's,^.* -l\(python[0-9]*[.][0-9]*\) .*$,\1,'`
- if test "${python_version}" != ""; then
+ | sed -e 's,^.* -l\(python[0-9]*[.][0-9]*\) .*$,\1,'`
+ case "${python_version}" in
+ python*)
version=${python_version}
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${found_usable_python}" >&5
$as_echo "${found_usable_python}" >&6; }
- else
+ ;;
+ *)
as_fn_error "unable to determine python version from ${python_libs}" "$LINENO" 5
- fi
+ ;;
+ esac
else
if test "${have_libpython}" = no; then
as_fn_error "no usable python found at ${with_python}" "$LINENO" 5
;;
esac
+ else
+ if test -n "${python_prefix}"; then
+
+cat >>confdefs.h <<_ACEOF
+#define WITH_PYTHON_PATH "${python_prefix}"
+_ACEOF
+
+
+ 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
+ value=0
+ case ${python_prefix} in
+ "${test_prefix}"|"${test_prefix}/"*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
+ value=1
+ ;;
+ esac
+
+cat >>confdefs.h <<_ACEOF
+#define PYTHON_PATH_RELOCATABLE $value
+_ACEOF
+
+
+ fi
fi
fi
+
if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
if test "x$prefix" = xNONE; then
test_prefix=/usr/local
+
# Check whether --enable-werror was given.
if test "${enable_werror+set}" = set; then :
enableval=$enable_werror; case "${enableval}" in
AC_MSG_RESULT([${found_usable_python}])
])
+dnl There are several different values for --with-python:
+dnl
+dnl no - Don't include python support.
+dnl yes - Include python support, error if it's missing.
+dnl If we find python in $PATH, use it to fetch configure options,
+dnl otherwise assume the compiler can find it with no help from us.
+dnl Python 2.6, 2.5, and then 2.4 are tried in turn.
+dnl auto - Same as "yes", but if python is missing from the system,
+dnl fall back to "no".
+dnl /path/to/python/exec-prefix -
+dnl Use the python located in this directory.
+dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
+dnl the compilation parameters. Otherwise use
+dnl -I/path/to/python/exec-prefix/include,
+dnl -L/path/to/python/exec-prefix/lib.
+dnl Python 2.6, 2.5, and then 2.4 are tried in turn.
+dnl NOTE: This case is historical. It is what was done for 7.0/7.1
+dnl but is deprecated.
+dnl /path/to/python/executable -
+dnl Run python-config.py with this version of python to fetch the
+dnl compilation parameters.
+dnl NOTE: This needn't be the real python executable.
+dnl In a cross-compilation scenario (build != host), this could be
+dnl a shell script that provides what python-config.py provides for
+dnl --ldflags, --includes, --exec-prefix.
+dnl python-executable -
+dnl Find python-executable in $PATH, and then handle the same as
+dnl /path/to/python/executable.
+dnl
+dnl If a python program is specified, it is used to run python-config.py and
+dnl is passed --ldflags, --includes, --exec-prefix.
+
AC_ARG_WITH(python,
- AS_HELP_STRING([--with-python], [include python support (auto/yes/no/<path>)]),
+ AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
[], [with_python=auto])
AC_MSG_CHECKING([whether to use python])
AC_MSG_RESULT([$with_python])
AC_MSG_WARN([python support disabled; some features may be unavailable.])
have_libpython=no
else
- have_python_config=no
case "${with_python}" in
/*)
if test -d ${with_python}; then
# Assume the python binary is ${with_python}/bin/python.
- python_prefix=${with_python}
python_prog="${with_python}/bin/python"
+ python_prefix=
if test ! -x ${python_prog}; then
# Fall back to gdb 7.0/7.1 behaviour.
python_prog=missing
+ python_prefix=${with_python}
fi
elif test -x ${with_python}; then
# While we can't run python compiled for $host (unless host == build),
# the user could write a script that provides the needed information,
# so we support that.
- python_prefix=
python_prog=${with_python}
+ python_prefix=
else
AC_ERROR(invalid value for --with-python)
fi
if test $? != 0; then
AC_ERROR(failure running python-config --ldflags)
fi
+ python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
+ if test $? != 0; then
+ AC_ERROR(failure running python-config --exec-prefix)
+ fi
have_python_config=yes
else
# Fall back to gdb 7.0/7.1 behaviour.
python_includes="-I${python_prefix}/include"
python_libs="-L${python_prefix}/lib"
fi
+ have_python_config=no
fi
# Having "/pythonX.Y" in the include path is awkward.
# path of the, umm, include file. So strip away this part of the
# output of python-config --includes.
python_includes=`echo "${python_includes} " \
- | sed -e 's,/python[[0-9]]*[[.]][[0-9]]* , ,g'`
+ | sed -e 's,/python[[0-9]]*[[.]][[0-9]]* , ,g'`
# If we have python-config, only try the configuration it provides.
# Otherwise fallback on the old way of trying different versions of
have_libpython=no
if test "${have_python_config}" = yes; then
python_version=`echo " ${python_libs} " \
- | sed -e 's,^.* -l\(python[[0-9]]*[[.]][[0-9]]*\) .*$,\1,'`
- if test "${python_version}" != ""; then
+ | sed -e 's,^.* -l\(python[[0-9]]*[[.]][[0-9]]*\) .*$,\1,'`
+ case "${python_version}" in
+ python*)
AC_TRY_LIBPYTHON(${python_version}, have_libpython,
${python_includes}, ${python_libs})
- else
+ ;;
+ *)
AC_MSG_ERROR([unable to determine python version from ${python_libs}])
- fi
+ ;;
+ esac
else
if test "${have_libpython}" = no; then
AC_TRY_LIBPYTHON(python2.6, have_libpython,
AC_MSG_ERROR([no usable python found at ${with_python}])
;;
esac
+ else
+ if test -n "${python_prefix}"; then
+ AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
+ [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
+ GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
+ fi
fi
fi
/* GDB datadir, used to store data files. */
extern char *gdb_datadir;
+/* If non-NULL, the possibly relocated path to python's "lib" directory
+ specified with --with-python. */
+extern char *python_libdir;
+
/* Search path for separate debug files. */
extern char *debug_file_directory;
/* GDB datadir, used to store data files. */
char *gdb_datadir = 0;
+/* If gdb was configured with --with-python=/path,
+ the possibly relocated path to python's lib directory. */
+char *python_libdir = 0;
+
struct ui_file *gdb_stdout;
struct ui_file *gdb_stderr;
struct ui_file *gdb_stdlog;
gdb_datadir = relocate_directory (argv[0], GDB_DATADIR,
GDB_DATADIR_RELOCATABLE);
+#ifdef WITH_PYTHON_PATH
+ /* For later use in helping Python find itself. */
+ python_libdir = relocate_directory (argv[0],
+ concat (WITH_PYTHON_PATH,
+ SLASH_STRING, "lib", NULL),
+ PYTHON_PATH_RELOCATABLE);
+#endif
+
#ifdef RELOC_SRCDIR
add_substitute_path_rule (RELOC_SRCDIR,
make_relative_prefix (argv[0], BINDIR,
&show_python_list);
#ifdef HAVE_PYTHON
+#ifdef WITH_PYTHON_PATH
+ /* Work around problem where python gets confused about where it is,
+ and then can't find its libraries, etc.
+ NOTE: Python assumes the following layout:
+ /foo/bin/python
+ /foo/lib/pythonX.Y/...
+ This must be done before calling Py_Initialize. */
+ Py_SetProgramName (concat (ldirname (python_libdir), SLASH_STRING, "bin",
+ SLASH_STRING, "python", NULL));
+#endif
+
Py_Initialize ();
PyEval_InitThreads ();