/*
 *      srecord - manipulate eprom load files
 *      Copyright (C) 1998, 1999, 2001-2003, 2006-2008 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 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. If not, see
 *      <http://www.gnu.org/licenses/>.
 */

set mkdir;
set unlink;
set time-adjust;

awk = gawk;

/*
 * 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 [search_name]]] then
        ln -s [search_dir] [search_name]
            set clearstat;
    search_list = [search_list] [search_name];
    search_name = [search_name]bl;
}

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

change_source_files = ;
#include-cooked-nowarn etc/cook/change_files.[version]
etc/cook/change_files.[version]:
    set shallow nodefault
{
    echo "'change_source_files ='" > [target];
    aegis -l cf -p [project] -c [change] -terse >> [target];
    echo "';'" >> [target];
}
project_source_files = ;
#include-cooked-nowarn etc/cook/project_files.[version]
etc/cook/project_files.[version]:
    set shallow nodefault
{
    echo "'project_source_files ='" > [target];
    aegis -l pf -p [project] -c [change] -terse >> [target];
    echo "';'" >> [target];
}
source_files = [sort [project_source_files] [change_source_files]];

/*
 * Speed up graph building by stating the leaves explictly.
 * This also gives more useful error messages.
 */
if [count [project_source_files]] then
if [count [change_source_files]] then
{
    leaf_file_accept = [project_source_files] [change_source_files];
    leaf_pattern_accept = /%0%;
}

debug = /* -g */ ;      /* g++ takes forever if you say -g for complex
                        template usage */

all = ;

/* the right hand side is deferred until triggered */
all: [all];

/*
 * Howto use GNU Autoconf.
 */
#include-cooked etc/autoconf.cook


/*
 * The files which are linked to form the common library for the programs.
 */
lib/[project_short]_obj =
    [fromto %0%.cc [arch]/%0%.o [match_mask lib/%0%.cc [source_files]]] ;

/*
 * Generate lists of object files for programs
 */
program_list = [fromto %1/%2 %1 [match_mask %/main.cc [source_files]]];
loop program = [program_list]
{
    [program]_obj =
        [fromto %0%.cc [arch]/%0%.o
            [match_mask [program]/%0%.cc [source_files]]
        ];
    [program]_libs = [arch]/lib/lib[project_short].a ;
    all += [arch]/bin/[program] ;
}

if [match %1C%2 [version]] then
{
    baseline = bl;
}
else
{
    /*
     * this is essential so that aeipass does the right thing
     *
     * It also means that generated files (e.g. from objen) have consistent
     * mod-times after integration, sop everythign does not immediately
     * re-build.
     */
    set time-adjust-back;
    all = [all] integration-build-targets;
}


/*
 * Note: this must come *after* the etc/autoconf.cook include.
 */
if [not [defined c++]] then
    c++ = g++;
cc_include_flags =
    [prepost "-I" "" [search_list]]
    [prepost "-I" /[arch] [search_list]]
    ;
if [not [defined c++_flags]] then
    c++_flags = -O [debug];
c++_flags = [c++_flags] -Wall -Wextra -Werror;
if [not [defined ld_flags]] then
    ld_flags = [debug];


[arch]/%0%.o: %0%.c
{
    [cc] [cc_include_flags] [cc_flags] -c [resolve %0%.c] -o [target];
}


[arch]/%0%.o: %0%.cc
{
    [c++] [cc_include_flags] [c++_flags] -c [resolve %0%.cc] -o [target]
        set meter;
}


c_incl = c_incl;

%0%.c.d: %0%.c
        set no-cascade
{
    [c_incl] -nc -ns -nrec
        [cc_include_flags]
        [resolve %0%.c]
        -prefix "'cascade %0%.c ='"
        -suffix "';'"
        -nsri
        [prepost "-rlp=" "" [search_list]]
        -slp [arch] "'[arch]'"
        -o [target];
}

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

%0%.c,Md: %0%.c : etc/Makefile.file.sh
{
    [c_incl] -nc -ns
        [cc_include_flags]
        [resolve %0%.c]
        -nsri
        [prepost "-rlp=" "" [search_list]]
        -slp [arch] "'[arch]'"
        -o [target];
}

%0%.h.d: %0%.h
    set no-cascade
{
    [c_incl] -nc -ns -nrec
        [cc_include_flags]
        [resolve %0%.h]
        -prefix "'cascade %0%.h ='"
        -suffix "';'"
        -nsri
        [prepost "-rlp=" "" [search_list]]
        -slp [arch] "'[arch]'"
        -o [target];
}

%0%.cc.d: %0%.cc
        set no-cascade
{
    [c_incl] -nc -ns -nrec
        [cc_include_flags]
        [resolve %0%.cc]
        -prefix "'cascade %0%.cc ='"
        -suffix "';'"
        -nsri
        [prepost "-rlp=" "" [search_list]]
        -slp [arch] "'[arch]'"
        -o [target];
}

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

%0%.cc,Md: %0%.cc : etc/Makefile.file.sh
{
    [c_incl] -nc -ns
        [cc_include_flags]
        [resolve %0%.cc]
        -nsri
        [prepost "-rlp=" "" [search_list]]
        -slp [arch] "'[arch]'"
        -o [target];
}

cc_dep_files =
        [fromto %0%.c %0%.c.d [match_mask %1/%0%.c [source_files]]]
        [fromto %0%.h %0%.h.d [match_mask %1/%0%.h [source_files]]]
        [fromto %0%.cc %0%.cc.d [match_mask %1/%0%.cc [source_files]]]
        [fromto %0%.y %0%.gen.c.d [match_mask %1/%0%.y [source_files]]]
        ;

#include-cooked-nowarn [cc_dep_files]

[arch]/bin/%: : [%_obj] [%_libs]
    set gate-first
    if [defined %_obj]
{
    [c++] [ld_flags] -o [target] [resolve [%_obj] [%_libs]] -lm;
}

[arch]/%0lib%.a: : [%0%_obj]
{
    ar cq [target] [resolve [%0%_obj]];
    if [find_command ranlib] then
        ranlib [target];
}


[arch]/bin/%: script/%
{
    cp script/% [target];
    chmod a+rx [target];
}


[arch]/bin/%: [arch]/script/%
{
    cp [arch]/script/% [target];
    chmod a+rx [target];
}

all +=
    [fromto script/% [arch]/bin/%
        [fromto %1/%2.in %1/%2
            [match_mask script/% [source_files]]
        ]
    ];


/*
 * How to build the release sets.
 */
#include-cooked etc/archive.cook

/*
 * How to build the documentation.
 */
#include-cooked etc/documentation.cook

/*
 * Explicit include dependencies.
 */
#if [count [cc_dep_files]]
[cc_dep_files]: [arch]/lib/config.h;
#endif


/*
 * The version stamp is to be updated for every
 * integration and development build.
 * (The integrate_begin_command in the config file
 * deletes them for integration builds.)
 */

lib/patchlevel.h:
        set shallow
{
    copyright_years =
        [collect
            aegis -list version -p [project] -c [change]
            | [awk] "-F'[[\\\\]]'" "'/^copyright_years/{print $2}'"
        ];
    echo "'#define PATCHLEVEL \""[version]"\"'" > [target];
    echo "'#define COPYRIGHT_YEARS \""[copyright_years]"\"'" >> [target];
}

/*
 * Build the version include, but not too often.
 */
etc/version.so:
    set ['if' [or [not [defined baseline] ] [not [exists bl/etc/version.so
                ] ] ] 'then' shallow]
{
    copyright_years =
        [collect
            aegis -list version -p [project] -c [change]
            | [awk] "-F'[[\\\\]]'" "'/^copyright_years/{print $2}'"
        ];
    echo "'.ds V) "[version]"'" > [target];
    echo "'.ds v) "[version_short]"'" >> [target];
    aegis -list version -p [project] -c [change]
        | [awk] -F'\'"\'' "'/previous/{print $2}'"
        | [awk] -F. "'{print \".ds w) \"$1\".\"$2}'"
        >> [target];
    echo "'.ds Y) "[copyright_years]"'" >> [target];
}


/*
 * Catch 22: If the relationship between a target and a derived ingredient
 * appears only in a derived cookbook, it is likely that a clean build
 * (solely from primary source files) will fail.  It is recommended that
 * relationships such as this be placed in a primary source cookbook.
 */
cascade etc/BUILDING.man = etc/version.so ;
cascade etc/README.man = etc/version.so etc/new.so;
cascade etc/change_log.man = etc/version.so etc/new.so;
cascade etc/reference.man = etc/version.so ;
cascade etc/srecord.lsm = etc/version.so ;
cascade lib/versn_stamp.cc = lib/patchlevel.h ;
cascade man/man1/z_copyright.so = etc/version.so ;

#include [resolve etc/doxygen.cook etc/metrics.cook etc/tags.cook ]