Remove the notion of "sys*"

- This idea originates from very early in the project and was, at the
  time, a very easy way to categorise things.
- Now, it doesn't really make much sense - it is fairly arbitary, often
  occuring when there is a change in kernel, but not from builder-hex0
  to fiwix, and sysb is in reality completely unnecessary.
- In short, the sys* stuff is a bit of a mess that makes the project
  more difficult to understand.
- This puts everything down into one folder and has a manifest file that
  is used to generate the build scripts on the fly rather than using
  coded scripts.
- This is created in the "seed" stage.

stage0-posix -- (calls) --> seed -- (generates) --> main steps

Alongside this change there are a variety of other smaller fixups to the
general structure of the live-bootstrap rootfs.

- Creating a rootfs has become much simpler and is defined as code in
  go.sh. The new structure, for an about-to-be booted system, is

/
-- /steps (direct copy of steps/)
-- /distfiles (direct copy of distfiles/)
-- all files from seed/*
-- all files from seed/stage0-posix/*

- There is no longer such a thing as /usr/include/musl, this didn't
  really make any sense, as musl is the final libc used. Rather, to
  separate musl and mes, we have /usr/include/mes, which is much easier
  to work with.
- This also makes mes easier to blow away later.
- A few things that weren't properly in packages have been changed;
  checksum-transcriber, simple-patch, kexec-fiwix have all been given
  fully qualified package names.
- Highly breaking change, scripts now exist in their package directory
  but NOT WITH THE packagename.sh. Rather, they use pass1.sh, pass2.sh,
  etc. This avoids manual definition of passes.
  - Ditto with patches; default directory is patches, but then any patch
    series specific to a pass are named patches-passX.

steps/bash-2.05b/patches/dev-tty.patch

@@ -0,0 +1,19 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+We do not have /dev at this stage of the bootstrap, including /dev/tty. For
+some reason, bash has a fixation on /dev/tty, even though we are not
+interactive. Removing this check entirely fixes this issue.
+
+diff --color -ru shell.c
+--- shell.c	2002-07-02 01:27:11.000000000 +1000
++++ shell.c	2021-01-16 11:23:36.407287955 +1100
+@@ -342,8 +342,6 @@
+ #  endif
+ #endif
+ 
+-  check_dev_tty ();
+-
+ #ifdef __CYGWIN__
+   _cygwin32_check_tmp ();

steps/bash-2.05b/patches/extern.patch

@@ -0,0 +1,18 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+tinycc's extern support is bad. i.e. these externs don't propagate through.
+
+--- builtins/common.c	2021-01-15 21:32:56.938683418 +1100
++++ builtins/common.c	2021-01-15 21:34:09.102153806 +1100
+@@ -46,6 +46,9 @@
+ #include "../flags.h"
+ #include "../jobs.h"
+ #include "../builtins.h"
++int num_shell_builtins;
++struct builtin *shell_builtins;
++struct builtin *current_builtin;
+ #include "../input.h"
+ #include "../execute_cmd.h"
+ #include "../trap.h"

steps/bash-2.05b/patches/locale.patch

@@ -0,0 +1,17 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+mes libc + setting locale = not worky.
+
+--- locale.c	2021-01-15 09:38:55.729307629 +1100
++++ locale.c	2021-01-15 11:19:01.929391346 +1100
+@@ -190,7 +190,7 @@
+ set_lang (var, value)
+      char *var, *value;
+ {
+-  return ((lc_all == 0 || *lc_all == 0) ? setlocale (LC_ALL, value?value:"") != NULL : 0);
++  return 0;
+ }
+ 
+ /* Get the value of one of the locale variables (LC_MESSAGES, LC_CTYPE) */

steps/bash-2.05b/patches/mes-libc.patch

@@ -0,0 +1,19 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+mes libc does not have locale support...
+
+diff --git lib/sh/snprintf.c lib/sh/snprintf.c
+index 7669576..747aeba 100644
+--- lib/sh/snprintf.c
++++ lib/sh/snprintf.c
+@@ -376,7 +376,7 @@ static void xfree __P((void *));
+ 	    if ((p)->flags & PF_STAR_P) \
+ 	      (p)->precision = GETARG (int)
+ 
+-#if defined (HAVE_LOCALE_H)
++#if 0
+ #  define GETLOCALEDATA(d, t, g) \
+       do \
+ 	{ \

steps/bash-2.05b/patches/missing-defines.patch

@@ -0,0 +1,29 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+We don't actually want any of these things, which should really be hidden
+behind the ifdefs given here to disable them when they are not being
+used (as we do).
+
+--- execute_cmd.c	2021-01-15 09:38:55.730307635 +1100
++++ execute_cmd.c	2021-01-15 09:43:41.046896754 +1100
+@@ -286,12 +286,18 @@
+     {
+       if (currently_executing_command->type == cm_simple)
+ 	return currently_executing_command->value.Simple->line;
++#ifdef COND_COMMAND
+       else if (currently_executing_command->type == cm_cond)
+ 	return currently_executing_command->value.Cond->line;
++#endif
++#ifdef DPAREN_ARITHMETIC
+       else if (currently_executing_command->type == cm_arith)
+ 	return currently_executing_command->value.Arith->line;
++#endif
++#ifdef ARITH_FOR_COMMAND
+       else if (currently_executing_command->type == cm_arith_for)
+ 	return currently_executing_command->value.ArithFor->line;
++#endif
+       else
+ 	return line_number;
+     }

steps/bash-2.05b/patches/size.patch

@@ -0,0 +1,24 @@
+SPDX-FileCopyrightText: © 2023 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+We don't yet have the size command.
+
+--- Makefile.in	2023-03-11 15:41:13.297307977 +1100
++++ Makefile.in	2023-03-11 15:43:51.677298993 +1100
+@@ -471,7 +471,6 @@
+ 	$(RM) $@
+ 	$(PURIFY) $(CC) $(BUILTINS_LDFLAGS) $(LIBRARY_LDFLAGS) $(LDFLAGS) -o $(Program) $(OBJECTS) $(LIBS)
+ 	ls -l $(Program)
+-	size $(Program)
+ 
+ .build:	$(SOURCES) config.h Makefile version.h $(VERSPROG)
+ 	@echo
+@@ -493,7 +492,6 @@
+ strip:	$(Program) .made
+ 	strip $(Program)
+ 	ls -l $(Program)
+-	size $(Program)
+ 
+ lint:
+ 	${MAKE} ${MFLAGS} CFLAGS='${GCC_LINT_FLAGS}' .made

steps/bash-2.05b/patches/tinycc.patch

@@ -0,0 +1,30 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+int name, namelen; is wrong for mes libc, it is char* name, so we modify tinycc
+to reflect this.
+
+diff --git lib/sh/oslib.c lib/sh/oslib.c
+index 90d7be9..37fdf2a 100644
+--- lib/sh/oslib.c
++++ lib/sh/oslib.c
+@@ -192,8 +192,7 @@ bzero (s, n)
+ #    include <sys/utsname.h>
+ int
+ gethostname (name, namelen)
+-     char *name;
+-     int namelen;
++     char *name; int namelen;
+ {
+   int i;
+   struct utsname ut;
+@@ -209,7 +208,7 @@ gethostname (name, namelen)
+ #  else /* !HAVE_UNAME */
+ int
+ gethostname (name, namelen)
+-     int name, namelen;
++     char* name; int namelen;
+ {
+   strncpy (name, "unknown", namelen);
+   name[namelen] = '\0';