remove --with(out)-signal-module, since the signal module is non-optional

Makefile.pre.in

@@ -254,9 +254,6 @@ MODULE_OBJS=	\
 		Modules/main.o \
 		Modules/gcmodule.o
 
-# Used of signalmodule.o is not available
-SIGNAL_OBJS=	@SIGNAL_OBJS@
-
 IO_H=		Modules/_io/_iomodule.h
 
 IO_OBJS=	\
@@ -448,7 +445,6 @@ LIBRARY_OBJS_OMIT_FROZEN=	\
 		$(OBJECT_OBJS) \
 		$(PYTHON_OBJS) \
 		$(MODULE_OBJS) \
-		$(SIGNAL_OBJS) \
 		$(MODOBJS)
 
 LIBRARY_OBJS=	\
@@ -598,7 +594,7 @@ $(LIBRARY): $(LIBRARY_OBJS)
 	$(AR) $(ARFLAGS) $@ $(PARSER_OBJS)
 	$(AR) $(ARFLAGS) $@ $(OBJECT_OBJS)
 	$(AR) $(ARFLAGS) $@ $(PYTHON_OBJS) Python/frozen.o
-	$(AR) $(ARFLAGS) $@ $(MODULE_OBJS) $(SIGNAL_OBJS)
+	$(AR) $(ARFLAGS) $@ $(MODULE_OBJS)
 	$(AR) $(ARFLAGS) $@ $(MODOBJS)
 	$(RANLIB) $@
 
@@ -718,7 +714,6 @@ Modules/getbuildinfo.o: $(PARSER_OBJS) \
 		$(OBJECT_OBJS) \
 		$(PYTHON_OBJS) \
 		$(MODULE_OBJS) \
-		$(SIGNAL_OBJS) \
 		$(MODOBJS) \
 		$(srcdir)/Modules/getbuildinfo.c
 	$(CC) -c $(PY_CORE_CFLAGS) \

Modules/Setup.config.in

@@ -6,8 +6,5 @@
 # Threading
 @USE_THREAD_MODULE@_thread _threadmodule.c
 
-# The signal module
-@USE_SIGNAL_MODULE@_signal signalmodule.c
-
 # The rest of the modules previously listed in this file are built
 # by the setup.py script in Python 2.1 and later.

Modules/Setup.dist

@@ -117,6 +117,7 @@ _operator _operator.c	        # operator.add() and similar goodies
 _collections _collectionsmodule.c # Container types
 itertools itertoolsmodule.c    # Functions creating iterators for efficient looping
 atexit atexitmodule.c      # Register functions to be run at interpreter-shutdown
+_signal signalmodule.c
 _stat _stat.c			# stat.h interface
 time timemodule.c	# -lm # time operations and variables
 

configure

@@ -645,8 +645,6 @@ DLINCLDIR
 THREADOBJ
 LDLAST
 USE_THREAD_MODULE
-SIGNAL_OBJS
-USE_SIGNAL_MODULE
 TCLTK_LIBS
 TCLTK_INCLUDES
 LIBFFI_INCLUDEDIR
@@ -828,7 +826,6 @@ enable_loadable_sqlite_extensions
 with_tcltk_includes
 with_tcltk_libs
 with_dbmliborder
-with_signal_module
 with_threads
 with_thread
 enable_ipv6
@@ -1532,7 +1529,6 @@ Optional Packages:
                           order to check db backends for dbm. Valid value is a
                           colon separated string with the backend names
                           `ndbm', `gdbm' and `bdb'.
-  --with-signal-module    disable/enable signal module
   --with(out)-threads[=DIRECTORY]
                           disable/enable thread support
   --with(out)-thread[=DIRECTORY]
@@ -9964,32 +9960,6 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_dbmliborder" >&5
 $as_echo "$with_dbmliborder" >&6; }
 
-# Determine if signalmodule should be used.
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-signal-module" >&5
-$as_echo_n "checking for --with-signal-module... " >&6; }
-
-# Check whether --with-signal-module was given.
-if test "${with_signal_module+set}" = set; then :
-  withval=$with_signal_module;
-fi
-
-
-if test -z "$with_signal_module"
-then with_signal_module="yes"
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_signal_module" >&5
-$as_echo "$with_signal_module" >&6; }
-
-if test "${with_signal_module}" = "yes"; then
-	USE_SIGNAL_MODULE=""
-	SIGNAL_OBJS=""
-else
-	USE_SIGNAL_MODULE="#"
-	SIGNAL_OBJS="Parser/intrcheck.o Python/sigcheck.o"
-fi
-
 # This is used to generate Setup.config
 
 USE_THREAD_MODULE=""

configure.ac

@@ -2814,26 +2814,6 @@ else
 fi])
 AC_MSG_RESULT($with_dbmliborder)
 
-# Determine if signalmodule should be used.
-AC_SUBST(USE_SIGNAL_MODULE)
-AC_SUBST(SIGNAL_OBJS)
-AC_MSG_CHECKING(for --with-signal-module)
-AC_ARG_WITH(signal-module,
-            AS_HELP_STRING([--with-signal-module], [disable/enable signal module]))
-
-if test -z "$with_signal_module"
-then with_signal_module="yes"
-fi
-AC_MSG_RESULT($with_signal_module)
-
-if test "${with_signal_module}" = "yes"; then
-	USE_SIGNAL_MODULE=""
-	SIGNAL_OBJS=""
-else
-	USE_SIGNAL_MODULE="#"
-	SIGNAL_OBJS="Parser/intrcheck.o Python/sigcheck.o"
-fi
-
 # This is used to generate Setup.config
 AC_SUBST(USE_THREAD_MODULE)
 USE_THREAD_MODULE=""