From aeab512851bf6ed623d1c6c4305b6ce05e51a10c Mon Sep 17 00:00:00 2001 From: Paul Koning Date: Fri, 8 Jun 2018 13:26:36 -0400 Subject: [PATCH] Fix build issue with Python 3.7 Originally reported in https://bugzilla.redhat.com/show_bug.cgi?id=1577396 -- gdb build fails with Python 3.7 due to references to a Python internal function whose declaration changed in 3.7. gdb/ChangeLog 2018-06-08 Paul Koning PR gdb/23252 * python/python.c (do_start_initialization): Avoid call to internal Python API. (init__gdb_module): New function. --- gdb/ChangeLog | 8 ++++++++ gdb/python/python.c | 18 +++++++++++++++--- 2 files changed, 23 insertions(+), 3 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index dbee2a3..12157bb 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,11 @@ +2018-06-08 Paul Koning + + PR gdb/23252 + + * python/python.c (do_start_initialization): + Avoid call to internal Python API. + (init__gdb_module): New function. + 2018-06-08 Gary Benson * linux-thread-db.c (valprint.h): New include. diff --git a/gdb/python/python.c b/gdb/python/python.c index 1805c90..20fc674 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -1667,6 +1667,17 @@ finalize_python (void *ignore) restore_active_ext_lang (previous_active); } +#ifdef IS_PY3K +/* This is called via the PyImport_AppendInittab mechanism called + during initialization, to make the built-in _gdb module known to + Python. */ +PyMODINIT_FUNC +init__gdb_module (void) +{ + return PyModule_Create (&python_GdbModuleDef); +} +#endif + static bool do_start_initialization () { @@ -1707,6 +1718,9 @@ do_start_initialization () remain alive for the duration of the program's execution, so it is not freed after this call. */ Py_SetProgramName (progname_copy); + + /* Define _gdb as a built-in module. */ + PyImport_AppendInittab ("_gdb", init__gdb_module); #else Py_SetProgramName (progname.release ()); #endif @@ -1716,9 +1730,7 @@ do_start_initialization () PyEval_InitThreads (); #ifdef IS_PY3K - gdb_module = PyModule_Create (&python_GdbModuleDef); - /* Add _gdb module to the list of known built-in modules. */ - _PyImport_FixupBuiltin (gdb_module, "_gdb"); + gdb_module = PyImport_ImportModule ("_gdb"); #else gdb_module = Py_InitModule ("_gdb", python_GdbMethods); #endif -- 2.7.4