enable MULTIPLE_COPROCS; bind -p/-P can print out bindings for individual command names; changes to Makefile to remove MFLAGS; simplify build tools by assuming C90 compilation environment for better cross-compiling support

lib/sh/Makefile.in

@@ -2,7 +2,7 @@
 # Makefile for the Bash library
 #
 #
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 #   This program is free software: you can redistribute it and/or modify
 #   it under the terms of the GNU General Public License as published by
@@ -140,10 +140,10 @@ mostlyclean: clean
 # Dependencies
 
 ${BUILD_DIR}/version.h: ${BUILD_DIR}/config.h ${BUILD_DIR}/Makefile Makefile
-	-( cd ${BUILD_DIR} && ${MAKE} ${MFLAGS} version.h )
+	-( cd ${BUILD_DIR} && ${MAKE} ${BASH_MAKEFLAGS} version.h )
 
 ${BUILD_DIR}/pathnames.h: ${BUILD_DIR}/config.h ${BUILD_DIR}/Makefile Makefile
-	-( cd ${BUILD_DIR} && ${MAKE} ${MFLAGS} pathnames.h )
+	-( cd ${BUILD_DIR} && ${MAKE} ${BASH_MAKEFLAGS} pathnames.h )
 
 # rules for losing makes, like SunOS
 anonfile.o: anonfile.c

lib/sh/casemod.c

@@ -67,7 +67,7 @@
 
 #define CASE_USEWORDS	0x1000		/* modify behavior to act on words in passed string */
 
-extern char *substring (char *, int, int);
+extern char *substring (char *, size_t, size_t);
 
 #ifndef UCHAR_MAX
 #  define UCHAR_MAX	TYPE_MAXIMUM(unsigned char)