diff -ruw /dev/null gcc-git-devel-modula2/libgm2/libm2log/Break.c
--- /dev/null	2022-08-24 16:22:16.888000070 +0100
+++ gcc-git-devel-modula2/libgm2/libm2log/Break.c	2022-12-06 02:56:51.432775922 +0000
@@ -0,0 +1,134 @@
+/* Break.c implements an interrupt handler for SIGINT.
+
+Copyright (C) 2004-2022 Free Software Foundation, Inc.
+Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
+
+This file is part of GNU Modula-2.
+
+GNU Modula-2 is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GNU Modula-2 is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#if defined(HAVE_STDIO_H)
+#include <stdio.h>
+#endif
+
+#if defined(HAVE_STDARG_H)
+#include <stdarg.h>
+#endif
+
+#if defined(HAVE_STDLIB_H)
+#include <stdlib.h>
+#endif
+
+#if defined(HAVE_MALLOC_H)
+#include <malloc.h>
+#endif
+
+typedef void (*PROC) (void);
+
+#if defined(HAVE_SIGNAL_H)
+#include <signal.h>
+
+struct plist
+{
+  PROC proc;
+  struct plist *next;
+};
+
+static struct plist *head = NULL;
+
+/* localHandler - dismisses the parameter, p, and invokes the GNU
+   Modula-2 handler.  */
+
+static void
+localHandler (int p)
+{
+  if (head != NULL)
+    head->proc ();
+}
+
+/* EnableBreak - enable the current break handler.  */
+
+void
+Break_EnableBreak (void)
+{
+  signal (SIGINT, localHandler);
+}
+
+/* DisableBreak - disable the current break handler (and all
+   installed handlers).  */
+
+void
+Break_DisableBreak (void)
+{
+  signal (SIGINT, SIG_IGN);
+}
+
+/* InstallBreak - installs a procedure, p, to be invoked when a
+   ctrl-c is caught.  Any number of these procedures may be stacked.
+   Only the top procedure is run when ctrl-c is caught.  */
+
+void
+Break_InstallBreak (PROC p)
+{
+  struct plist *q = (struct plist *)malloc (sizeof (struct plist));
+
+  if (q == NULL)
+    {
+      perror ("out of memory error in module Break");
+      exit (1);
+    }
+  q->next = head;
+  head = q;
+  head->proc = p;
+}
+
+/* UnInstallBreak - pops the break handler stack.  */
+
+void
+Break_UnInstallBreak (void)
+{
+  struct plist *q = head;
+
+  if (head != NULL)
+    {
+      head = head->next;
+      free (q);
+    }
+}
+#else
+void
+Break_EnableBreak (void)
+{
+}
+void
+Break_DisableBreak (void)
+{
+}
+void
+Break_InstallBreak (PROC *p)
+{
+}
+void
+Break_UnInstallBreak (void)
+{
+}
+#endif
diff -ruw /dev/null gcc-git-devel-modula2/libgm2/libm2log/Makefile.am
--- /dev/null	2022-08-24 16:22:16.888000070 +0100
+++ gcc-git-devel-modula2/libgm2/libm2log/Makefile.am	2022-12-06 02:56:51.432775922 +0000
@@ -0,0 +1,166 @@
+# Makefile for libm2log.
+#   Copyright 2013-2022  Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+SUFFIXES = .c .mod .def .o .obj .lo .a .la
+
+ACLOCAL_AMFLAGS = -I . -I .. -I ../config
+
+VPATH = . @srcdir@ @srcdir@/../../gcc/m2/gm2-libs-pim
+
+# Multilib support.
+MAKEOVERRIDES=
+
+version := $(shell $(CC) -dumpversion)
+
+# Directory in which the compiler finds libraries etc.
+libsubdir = $(libdir)/gcc/$(target_alias)/$(version)
+# Used to install the shared libgcc.
+slibdir = @slibdir@
+
+toolexeclibdir=@toolexeclibdir@
+toolexecdir=@toolexecdir@
+GM2_FOR_TARGET=@GM2_FOR_TARGET@
+
+MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
+MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
+
+MULTIOSSUBDIR := $(shell if test x$(MULTIOSDIR) != x.; then echo /$(MULTIOSDIR); fi)
+inst_libdir = $(libsubdir)$(MULTISUBDIR)
+inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
+
+
+# Work around what appears to be a GNU make bug handling MAKEFLAGS
+# values defined in terms of make variables, as is the case for CC and
+# friends when we are called from the top level Makefile.
+AM_MAKEFLAGS = \
+        "GCC_DIR=$(GCC_DIR)" \
+        "GM2_SRC=$(GM2_SRC)" \
+	"AR_FLAGS=$(AR_FLAGS)" \
+	"CC_FOR_BUILD=$(CC_FOR_BUILD)" \
+	"CC_FOR_TARGET=$(CC_FOR_TARGET)" \
+	"GM2_FOR_TARGET=$(GM2_FOR_TARGET)" \
+	"CFLAGS=$(CFLAGS)" \
+	"CXXFLAGS=$(CXXFLAGS)" \
+	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
+	"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
+	"INSTALL=$(INSTALL)" \
+	"INSTALL_DATA=$(INSTALL_DATA)" \
+	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
+	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
+	"LDFLAGS=$(LDFLAGS)" \
+	"LIBCFLAGS=$(LIBCFLAGS)" \
+	"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
+	"MAKE=$(MAKE)" \
+	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
+        "MULTISUBDIR=$(MULTISUBDIR)" \
+        "MULTIOSDIR=$(MULTIOSDIR)" \
+        "MULTIBUILDTOP=$(MULTIBUILDTOP)" \
+        "MULTIFLAGS=$(MULTIFLAGS)" \
+	"PICFLAG=$(PICFLAG)" \
+	"PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \
+	"SHELL=$(SHELL)" \
+	"RUNTESTFLAGS=$(RUNTESTFLAGS)" \
+	"exec_prefix=$(exec_prefix)" \
+	"infodir=$(infodir)" \
+	"libdir=$(libdir)" \
+	"includedir=$(includedir)" \
+	"prefix=$(prefix)" \
+	"tooldir=$(tooldir)" \
+	"gxx_include_dir=$(gxx_include_dir)" \
+	"AR=$(AR)" \
+	"AS=$(AS)" \
+	"LD=$(LD)" \
+	"RANLIB=$(RANLIB)" \
+	"NM=$(NM)" \
+	"NM_FOR_BUILD=$(NM_FOR_BUILD)" \
+	"NM_FOR_TARGET=$(NM_FOR_TARGET)" \
+	"DESTDIR=$(DESTDIR)" \
+	"WERROR=$(WERROR)" \
+        "TARGET_LIB_PATH_libgm2=$(TARGET_LIB_PATH_libgm2)"
+
+# Subdir rules rely on $(FLAGS_TO_PASS)
+FLAGS_TO_PASS = $(AM_MAKEFLAGS)
+
+
+if BUILD_LOGLIB
+M2DEFS = BitBlockOps.def  BitByteOps.def \
+         BitWordOps.def  BlockOps.def \
+         Break.def  CardinalIO.def \
+         Conversions.def  DebugPMD.def \
+         DebugTrace.def  Delay.def \
+         Display.def  ErrorCode.def \
+         FileSystem.def  FloatingUtilities.def \
+         InOut.def  Keyboard.def \
+         LongIO.def  NumberConversion.def \
+         Random.def  RealConversions.def \
+         RealInOut.def  Strings.def \
+         Termbase.def  Terminal.def \
+         TimeDate.def
+
+M2MODS = BitBlockOps.mod  BitByteOps.mod \
+         BitWordOps.mod  BlockOps.mod \
+         CardinalIO.mod  Conversions.mod \
+         DebugPMD.mod  DebugTrace.mod \
+         Delay.mod  Display.mod \
+         ErrorCode.mod  FileSystem.mod \
+         FloatingUtilities.mod  InOut.mod \
+         Keyboard.mod  LongIO.mod \
+         NumberConversion.mod  Random.mod \
+         RealConversions.mod  RealInOut.mod \
+         Strings.mod  Termbase.mod \
+         Terminal.mod  TimeDate.mod
+
+
+libm2logdir = libm2log
+toolexeclib_LTLIBRARIES = libm2log.la
+libm2log_la_SOURCES = $(M2MODS) Break.c
+
+libm2log_la_DEPENDENCIES = ../libm2pim/SYSTEM.def $(addsuffix .lo, $(basename $(libm2log_la_SOURCES)))
+libm2log_la_CFLAGS = -I. -DBUILD_GM2_LIBS -I@srcdir@/../
+libm2log_la_M2FLAGS = -I../libm2pim -I$(GM2_SRC)/gm2-libs-pim -I$(GM2_SRC)/gm2-libs -I$(GM2_SRC)/gm2-libs-iso
+libm2log_la_LINK = $(LINK) -version-info $(libtool_VERSION)
+BUILT_SOURCES = ../libm2pim/SYSTEM.def
+
+M2LIBDIR = /m2/m2log/
+
+../libm2pim/SYSTEM.def: ../libm2pim/Makefile
+	cd ../libm2pim ; $(MAKE) $(AM_MAKEFLAGS) SYSTEM.def
+
+.mod.lo:
+	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(GM2_FOR_TARGET) -c $(CFLAGS_FOR_TARGET) $(LIBCFLAGS) $(libm2log_la_M2FLAGS) $< -o $@
+
+install-data-local: force
+	mkdir -p $(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)
+	$(INSTALL_DATA) .libs/libm2log.la $(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)
+	chmod 644 $(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)libm2log.la
+	$(INSTALL_DATA) .libs/libm2log.a $(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)
+	chmod 644 $(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)libm2log.a
+	$(RANLIB) $(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)libm2log.a
+	for i in $(M2DEFS) $(M2MODS) ; do \
+           if [ -f $$i ] ; then \
+              $(INSTALL_DATA) $$i '$(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)'; \
+           elif [ -f @srcdir@/../../gcc/m2/gm2-libs-pim/$$i ] ; then \
+              $(INSTALL_DATA) @srcdir@/../../gcc/m2/gm2-libs-pim/$$i '$(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)'; \
+           else \
+              echo "cannot find $$i" ; exit 1 ; \
+           fi ; \
+           chmod 644 $(DESTDIR)$(inst_libdir)/$(MULTIDIR)$(M2LIBDIR)$$i ; \
+	done
+
+force:
+
+endif
