/*
 *	vii - buffer and display outout
 *	Copyright (C) 1991-1995, 1999, 2001, 2003, 2005 Peter Miller
 *
 *	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
 *	the Free Software Foundation; either version 2 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; if not, write to the Free Software
 *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 * MANIFEST: instructions to cook(1), how to build project
 */

/*
 * Turn on updating to ensure mod-time
 * consistency on fast machines.
 */
set time-adjust;

/*
 * Create directories before running recipe bodies.
 */
set mkdir;

/*
 * Remove targets before running recipe bodies.
 */
set unlink;

/*
 * You may want to change some of these options.
 * ([debug] must be defined, even if empty, use comments.)
 *
 * Change ``main.h'' to add the DEBUG define.
 * All files reference this file, so this will cause recompilation
 * of all files, both in the change and in the baseline.
 */
debug = /* -g */ ;

/*
 * Make sure the [project], [change], [version] and [arch] variables are set.
 */
#ifndef project
echo "The [project] variable was not set from the command line." set silent;
echo "If you want to do a build which is not a development build" set silent;
echo "or an integration build, use the make command, not cook." set silent;
fail;
#endif
#ifndef change
echo "The [change] variable was not set from the command line." set silent;
echo "If you want to do a build which is not a development build" set silent;
echo "or an integration build, use the make command, not cook." set silent;
fail;
#endif
#ifndef version
echo "The [version] variable was not set from the command line." set silent;
echo "If you want to do a build which is not a development build" set silent;
echo "or an integration build, use the make command, not cook." set silent;
fail;
#endif
#ifndef arch
echo "The [arch] variable was not set from the command line." set silent;
echo "If you want to do a build which is not a development build" set silent;
echo "or an integration build, use the make command, not cook." set silent;
fail;
#endif
#ifndef search_path
echo "The [search_path] variable was not set from the command line." set silent;
echo "If you want to do a build which is not a development build" set silent;
echo "or an integration build, use the make command, not cook." set silent;
fail;
#endif

/*
 * The first item in search list should be the absolute path of the
 * current directory.  Assume that it is.
 */
search_list = .;
search_tmp = [tail [split ':' [search_path]]];

/*
 * Try to shorten the search path in command lines, too.
 *
 * This takes a little getting used to....
 * 1. For development builds, the search path is dev dir, then branch bl,
 *    then ... project bl.  Thus, bl in a dev dir winds up pointing to
 *    the branch reporitory.
 * 2. For integration builds, aegis deliberately omits the branch
 *    baseline from the path, but include's the branch's parents and
 *    ancestors.  Thus, bl in an int dir winds up pointing to the
 *    branch's parent's reporitory.
 * The idea is that integration builds in a branch are like a
 * development build of the branch's dev dir.
 */
search_name = bl;
loop
{
    search_dir = [head [search_tmp]];
    if [not [search_dir]] then
	loopstop;
    search_tmp = [tail [search_tmp]];
    
    if [not [exists-symlink [search_name]]] then
	ln -s [search_dir] [search_name]
    	    set clearstat;
    search_list = [search_list] [search_name];
    search_name = [search_name]bl;
}

/*
 * If this is a development build, the version will be x.y.Czzz,
 * so look to see if there is a C in the version string.
 */
if [match_mask %1C%2 [version]] then
{
    /*
     * The develop_begin_command in the config file
     * always creates the "bl" symbolic link.
     */
    baseline = bl;

    /*
     * Supplement file modification times with fingerprints.
     * Only do this for development builds.
     */
    set fingerprint;
}

/*
 * determine the short version:
 * no change or delta number
 */
version_short = [fromto %1.%2.%3 %1.%2 [subst D C [version]]];

version_shorter = [split "." [version_short]] _ _;
version_shorter = [unsplit "." [word 1 [version_shorter]]
        [word 2 [version_shorter]]];
project_short = [fromto %.[version_short] % [project]]; 
project_minus = [project_short]-[version_short];

if [not [defined baseline]] then
{
    /*
     * Turn on aggressive updating to ensure the smallest possible
     * range of mod times at aeipass.  This also ensures mod time
     * consistency on fast machines.
     */
    set time-adjust-back;
}

/*
 * This file is generated by autoconf.
 * It is architecture specific.
 * If it is not found (not cooked yet) the following
 * symbols will be undefined.
 *
 *	Must be included *after* the search_list is defined.
 */
#include-cooked-nowarn [arch]/etc/Howto.conf
if [not [defined prefix]] then
	prefix = /usr/local;
if [not [defined exec_prefix]] then
	exec_prefix = [prefix];
if [not [defined yacc]] then
	yacc = yacc;
if [not [defined libs]] then
	libs = ;
if [not [defined cc]] then
	cc = ['if' [find_command gcc] 'then' gcc 'else' cc];

/*
 * The default recipe
 */
all =
	[arch]/common/config.h
	[arch]/bin/vii
	doc.targets
	;

/*
 * Integration builds also make the shar files for distribution.
 */
if [defined change] then
if [not [defined baseline]] then
	all += integration-build-targets;
integration-build-targets: [integration-build-targets];
integration-build-targets = special ;
	
all: [all]
	set default
	;

/*
 * The source files.
 * This is given to us by aegis.
 */
vs_file = common/patchlevel.h;
change_files =
	[collect aegis -l chafil -ter -p [project] -c [change]]
	;
project_files =
	[collect aegis -l profil -ter -p [project] -c [change]]
	;
source_files =
	[sort [stringset [project_files] [change_files]]]
	;

version_obj = [arch]/common/version_stmp.o;
common_obj = [arch]/common/lib.a [version_obj];
common_lib =
	[stringset
		[fromto
			common/%.c
			[arch]/common/%.o
			[match_mask common/%.c [source_files]]
		]
	-
		[version_obj]
	];

vii_obj =
	[sort
		[fromto
			vii/%0%.y
			[arch]/vii/%0%.gen.o
			[match_mask vii/%0%.y [source_files]]
		]
		[fromto
			vii/%0%.c
			[arch]/vii/%0%.o
			[match_mask vii/%0%.c [source_files]]
		]
	]
	[common_obj]
	;

txt2c_obj =
	[fromto
		txt2c/%.c
		[arch]/txt2c/%.o
		[match_mask txt2c/%.c [source_files]]
	]
	[arch]/common/ac/string.o
	[arch]/common/arglex.o
	[arch]/common/error.o
	[arch]/common/mem.o
	[arch]/common/mprintf.o
	[arch]/common/option.o
	[arch]/common/str.o
	[arch]/common/trace.o
	;

ssp_obj =
	[fromto
		ssp/%.c
		[arch]/ssp/%.o
		[match_mask ssp/%.c [source_files]]
	]
	[arch]/common/lib.a
	;

source_files_build =
	[collect ( aegis -l pf -p [project] -c [change] -unf ';'
		aegis -l cf -p [project] -c [change] -unf )
		| gawk "'/^build/{print $NF}'" ]
	;
source_files_non_build =
	[stringset [source_files] - [source_files_build]];

/*
 * how to compile C sources
 */
cc_flags = -O [debug];
cc_include_flags = ;

/*
 * this next section is for gcc
 *	comment it out if you don't have gcc
 *
 * The gcc include files MUST be first.
 */
if [in [cc] gcc] then
cc_flags = [cc_flags] -ansi -Wall -Wstrict-prototypes -Wmissing-prototypes
	-Wshadow -Wmissing-declarations -Wpointer-arith
	-Werror;

/*
 * include files from common
 */
cc_include_flags =
	[cc_include_flags]
	[prepost "-I" "/"[arch]"/common" [search_list]]
	[prepost "-I" "/common" [search_list]]
	;

/*
 * There is a special list of files you must use, in preference to the
 * standard C files.  This ensures appropriate operating system insulation
 * is always in place.
 */
c_incl_excludes =
	[fromto common/ac/%0%.h -ex\=%0%.h
		[match_mask common/ac/%0%.h [source_files]]
	];

/*
 * Build %1/%2.o from %1/%2.c
 */
[arch]/%1/%0%2.o: [arch]/%1/%0%2.c
{
	if [defined %2_flags] then
		extra = [%2_flags];
	else
		extra = ;
	[cc] [cc_flags] [extra]
		[stringset
			[cc_include_flags]
			[prepost "-I" /[arch]/%1 [search_list]]
			[prepost "-I" "/%1" [search_list]]
		]
		-c [resolve [arch]/%1/%0%2.c]
		['if' [in gcc [cc]] 'then' -o [target]];
	if [not [in gcc [cc]]] then
		mv %2.o [target];
}

[arch]/%1/%0%2.o: %1/%0%2.c
{
	if [defined %2_flags] then
		extra = [%2_flags];
	else
		extra = ;
	[cc] [cc_flags] [extra]
		[stringset
			[cc_include_flags]
			[prepost "-I" /[arch]/%1 [search_list]]
			[prepost "-I" "/%1" [search_list]]
		]
		-c [resolve %1/%0%2.c]
		['if' [in gcc [cc]] 'then' -o [target]];
	if [not [in gcc [cc]]] then
		mv %2.o [target];
}

%1/%0%2.c.d: %1/%0%2.c
    set no-cascade
{
    c_incl -nc -ns -eia -nrec
	[stringset
	    [prepost "-I" "/%1" [search_list]]
	    [cc_include_flags]
	]
	-prefix "'cascade %1/%0%2.c ='"
	-suffix "';'"
	[resolve %1/%0%2.c]
	[addprefix -rlp\= [search_list]]
	-slp [arch] "'[arch]'"
	-nsri
	['if' [not [filter common/ac/%%0%% %1/%0%2.c]]
	    'then' [c_incl_excludes]]
	-o [target];
}

%1/%0%2.h.d: %1/%0%2.h
	set no-cascade
{
    c_incl -nc -ns -eia -nrec
	[stringset
	    [prepost "-I" "/%1" [search_list]]
	    [cc_include_flags]
	]
	-prefix "'cascade %1/%0%2.h ='"
	-suffix "';'"
	[resolve %1/%0%2.h]
	[addprefix -rlp\= [search_list]]
	-slp [arch] "'[arch]'"
	-nsri
	['if' [not [filter common/ac/%%0%% %1/%0%2.h]]
	    'then' [c_incl_excludes]]
	-o [target];
}

%1/%0%2.c.d: [arch]/%1/%0%2.c
    set no-cascade
{
    c_incl -nc -ns -eia -nrec
	[stringset
	    [prepost "-I" "/%1" [search_list]]
	    [cc_include_flags]
	]
	-prefix "'cascade [arch]/%1/%0%2.c ='"
	-suffix "';'"
	[resolve [arch]/%1/%0%2.c]
	[addprefix -rlp\= [search_list]]
	-slp [arch] "'[arch]'"
	-nsri
	['if' [not [filter common/ac/%%0%% %1/%0%2.h]]
	    'then' [c_incl_excludes]]
	-o [target];
}

%0%.c,M:: %0%.c,Md;

%1/%0%2.c,Md: %1/%0%2.c
{
    c_incl
	-nc /* no cache */
	-ns /* no system */
	-eia /* empty if absent */
	[stringset
		[prepost "-I" "/%1" [search_list]]
		[cc_include_flags]
	]
	[resolve %1/%0%2.c]
	-nsri /* no source relative includes */
	[prepost "-rlp=" "" [search_list]] /* remove leading path */
	-rlp [arch] /* remove leading architecture */
	-o [target];
}

c-dep-files =
	[addsuffix .d [match_mask %0%.c [source_files]]]
	[addsuffix .d [match_mask %0%.h [source_files]]]
	[fromto %1/%0%2.y %1/%0%2.gen.c.d [match_mask %1/%0%2.y [source_files]]]
	;

[c-dep-files]: [arch]/common/config.h;

#if [count [c-dep-files]]
#include-cooked-nowarn [c-dep-files]
#endif

/*
 * A few explicit things, to make sure the .d files
 * are constructed correctly.  Sigh.
 */

cascade common/help.c = [arch]/man1/o__rules.h [arch]/man1/z_exit.h;
cascade vii/main.c = [arch]/man1/vii.h;
cascade common/ac/ctype.h = [arch]/common/config.h;
cascade common/ac/errno.h = [arch]/common/config.h;
cascade common/ac/limits.h = [arch]/common/config.h;
cascade common/ac/signal.h = [arch]/common/config.h;
cascade common/ac/stdarg.h = [arch]/common/config.h;
cascade common/ac/stddef.h = [arch]/common/config.h;
cascade common/ac/stdio.h = [arch]/common/config.h;
cascade common/ac/stdlib.h = [arch]/common/config.h;
cascade common/ac/string.h = [arch]/common/config.h;
cascade common/ac/termios.h = [arch]/common/config.h;
cascade common/ac/time.h = [arch]/common/config.h;
cascade common/ac/unistd.h = [arch]/common/config.h;


/*
 * How to use yacc sources.
 */

yacc_flags = ;

%1/%0%2.gen.c %1/%0%2.gen.h: %1/%0%2.y
{
	rm -f %1/%0%2.list y.output
		set silent;
	[yacc] -d [yacc_flags] [resolve %1/%0%2.y];
	sed "'s/[yY][yY]/%2_/g'" < y.tab.c > %1/%0%2.gen.c;
	rm y.tab.c;
	sed "'s/[yY][yY]/%2_/g'" < y.tab.h > %1/%0%2.gen.h;
	rm y.tab.h;
	if [exists y.output] then
		mv y.output %1/%0%2.list
			set clearstat;
}

ranlib = [find_command ranlib];

[arch]/common/lib.a: [common_lib]
{
	ar qc [target] [resolve [common_lib]];
	if [ranlib] then
		[ranlib] [target];
}


/*
 * build the programs from their objects
 */

[arch]/bin/%: [%_obj]
{
	[cc] -o [target] [resolve [%_obj]] [libs];

	chmod 755 [target];

	/*
	 * aegis itself must be set-uid-root
	 */
	if [defined baseline] then
	if [in [target] [arch]/bin/aegis] then
	{
		su1 sh -c "'chown root "[target]" && chmod u+s "[target]"'"
			set errok;
	}
}


/*
 * building things which require txt2c to build
 *
 * Build %.h from %.1
 */

[arch]/man1/%.h: man1/%.1: [arch]/bin/txt2c
{
	[resolve [arch]/bin/txt2c] [resolve man1/%.1] [target];
}

[arch]/man1/%.h: man1/%.so: [arch]/bin/txt2c
{
	[resolve [arch]/bin/txt2c] [resolve man1/%.so] [target];
}


/*
 * The version stamp is to be updated for every 
 * integration and development build.
 */

copyright_years =
	[collect
		aegis -list version -p [project] -c [change]
		| gawk "-F'[[\\\\]]'" "'/^copyright_years/{print $2}'"
	];

[vs_file]:
    set shallow
{
	echo "'#define PATCHLEVEL \""[version]"\"'" > [target]
		set clearstat;
	echo "'#define COPYRIGHT_YEARS \""[copyright_years]"\"'" >> [target];
}

etc/version.so:
    set ['if' [or [not [defined baseline] ] [not [exists bl/etc/version.so
	] ] ] 'then' shallow]
{
    echo \".ds V) [version]\" > [target];
    echo \".ds v) [version_short]\" >> [target];
    aegis -list version -p [project] -c [change]
	    | gawk -F'\'"\'' "'/previous/{print $2}'"
	    | gawk -F. "'{print \".ds w) \"$1\".\"$2}'"
	    >> [target];
    echo \".ds Y) [copyright_years]\" >> [target];
}

etc/new.so:
    set ['if' [or [not [defined baseline] ] [not [exists bl/etc/version.so
	] ] ] 'then' shallow]
{
    echo \"[version]\"
	| gawk -F. "'{print \".so new.\"$1\".\"$2\".so\"}'"
	> [target];
}


/*
 * These recipes build a Makefile for a user.  They do not build a
 * Makefile useful for a development build, because no arch
 * information is included in the Makefile.
 */

makefile-per-file = [prepost "" ",M" [source_files]];

Makefile.in: etc/Makefile.head etc/Makefile.sh etc/Makefile.awk [vs_file]
	[makefile-per-file]
{
	if [exists [target]] then
		rm [target]
			set clearstat;
	cat [resolve etc/Makefile.head [makefile-per-file]] > [target];
	sh [resolve etc/Makefile.sh] [source_files]
		| gawk -f [resolve etc/Makefile.awk]
		>> [target];
}

%0%,M: etc/Makefi.file.sh etc/Makefile.awk
{
	depfile = [match_mask %%0%%,Md [need]];
	sh [resolve etc/Makefi.file.sh] %0% [resolve %0%]
			[resolve [depfile]]
		| gawk -f [resolve etc/Makefile.awk]
		> [target];
}

/*
 * formatting documents and manual entries
 */
doc.targets: cat txt;

/*
 * manual entries
 */
cat =
	[fromto man%1/%2.%1 cat%1/%2.%1 [match_mask man%1/%2.%1 [source_files]]]
	/*
	[fromto man1/%.1 man1/%.h [match_mask man1/%.1 [source_files]]]
	[fromto man1/%.so man1/%.h [match_mask man1/%.so [source_files]]]
	*/
	;
cat: [cat];

cat%1/%2.%1: man%1/%2.%1
{
	roffpp [prepost "-I" "/man%1" [search_list]] [resolve man%1/%2.%1]
		| groff -Tascii -P-h -t -man > cat%1/%2.%1; 
}

man%1/%2.d: man%1/%2.%1
{
    c_incl -nc -ns -eia -r
	[stringset
	    [cc_include_flags]
	    [prepost "-I" "/man%1" [search_list]]
	]
	-prefix "'cat%1/%2.%1 man%1/%2.%1,M man%1/%2.d: man%1/%2.%1'"
	-suffix "'set nodefault;'"
	[resolve man%1/%2.%1]
	[addprefix -rlp\= [search_list]]
	-slp [arch] "'[arch]'"
	-o [target];
}

man-dep-files =
	[fromto man%1/%2.%1 man%1/%2.d [match_mask man%1/%2.%1 [source_files]]]
	;

#include-cooked-nowarn [man-dep-files]


/*
 * user manuals
 */

txt =
	[fromto doc/%.ms doc/%.ps.gz [match_mask doc/%.ms [source_files]]]
	[fromto doc/%.mm doc/%.ps.gz [match_mask doc/%.mm [source_files]]]
	;
txt: [txt];

doc/%.ps.gz: doc/%.ms
{
	roffpp [prepost "-I" "/doc" [search_list]] [resolve doc/%.ms]
		| groff -p -t -ms | gzip > [target];
}

doc/%.ps.gz: doc/%.mm
{
	roffpp [prepost "-I" "/doc" [search_list]] [resolve doc/%.mm]
		| groff -p -t -mm | gzip > [target];
}

doc/%.d: doc/%.ms
{
    c_incl -nc -ns -eia -r
	[stringset
	    [cc_include_flags]
	    [prepost "-I" "/doc" [search_list]]
	]
	-prefix "'doc/%.ps.gz doc/%.ms,M doc/%.d: doc/%.ms'"
	-suffix "'set nodefault;'"
	[resolve doc/%.ms]
	[addprefix -rlp\= [search_list]]
	-slp [arch] "'[arch]'"
	-o [target];
}

doc/%.d: doc/%.mm
{
    c_incl -nc -ns -eia -r
	[stringset
	    [cc_include_flags]
	    [prepost "-I" "/doc" [search_list]]
	]
	-prefix "'doc/%.ps.gz doc/%.mm,M doc/%.d: doc/%.mm'"
	-suffix "'set nodefault;'"
	[resolve doc/%.mm]
	[addprefix -rlp\= [search_list]]
	-slp [arch] "'[arch]'"
	-o [target];
}

doc-dep-files =
	[fromto doc/%.ms doc/%.d [match_mask doc/%.ms [source_files]]]
	[fromto doc/%.mm doc/%.d [match_mask doc/%.mm [source_files]]]
	;

#include-cooked-nowarn [doc-dep-files]


/*
 * specials
 */

special: [fromto etc/%.man % [match_mask etc/%.man [source_files]]]
	;

%: etc/%.man
{
	if [exists [target]] then
		rm -f [target]
			set clearstat;
	roffpp [prepost "-I" "/etc" [search_list]] [resolve etc/%.man]
		| groff -Tascii -P-hub -t -man > [target]; 
}

etc/%.d: etc/%.man
{
    c_incl -nc -ns -eia -r
	[stringset
	    [cc_include_flags]
	    [prepost "-I" "/etc" [search_list]]
	]
	-prefix "'% etc/%.man,M etc/%.d: etc/%.man'"
	-suffix "'set nodefault;'"
	[resolve etc/%.man]
	[addprefix -rlp\= [search_list]]
	-slp [arch] "'[arch]'"
	-o [target];
}

etc-dep-files =
	[fromto etc/%.man etc/%.d [match_mask etc/%.man [source_files]]]
	;

#include-cooked-nowarn [etc-dep-files]


etc/CHANGES.[version_short]: etc/CHANGES.sh [vs_file]
{
	if [exists [target]] then
		rm [target]
			set clearstat;
	sh [resolve etc/CHANGES.sh] [project] > [target];
}


/*
 * Make sure this directory is here,
 * otherwise the "../man1/?????.h" include files will
 * be found in the baseline.
 */
#ifdef baseline
if [not [exists [arch]/common]] then
	mkdir -p [arch]/common
		set clearstat;
#endif

#include [resolve etc/autoconf.cook]
#include [resolve etc/archive.cook]