# $Id: Makefile.kmk 2304 2009-03-01 07:48:14Z bird $
## @file
# Sub-makefile for kash.
#

#
# Copyright (c) 2005-2009 knut st. osmundsen <bird-kBuild-spamix@anduin.net>
#
# This file is part of kBuild.
#
# kBuild 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.
#
# kBuild 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 kBuild.  If not, see <http://www.gnu.org/licenses/>
#
#

SUB_DEPTH = ../..
include $(KBUILD_PATH)/subheader.kmk

#
# The program.
#
PROGRAMS += kash
kash_TEMPLATE = BIN
kash_ASTOOL = YASM
kash_DEFS = lint SHELL SMALL
kash_DEFS += SH_FORKED_MODE
kash_DEFS.debug = DEBUG=2
kash_DEFS.linux = BSD
kash_DEFS.solaris = BSD
## @todo bring over PC_SLASHES?
kash_DEFS.win = \
	BSD PC_PATH_SEP PC_DRIVE_LETTERS PC_EXE_EXTS YY_NO_UNISTD_H SH_DEAL_WITH_CRLF
kash_DEFS.os2 = \
	HAVE_SYS_SIGNAME HAVE_SYSCTL_H HAVE_SETPROGNAME \
	EXEC_HASH_BANG_SCRIPT PC_OS2_LIBPATHS PC_PATH_SEP PC_DRIVE_LETTERS PC_EXE_EXTS
kash_DEFS.darwin = \
	HAVE_SYS_SIGNAME HAVE_SYSCTL_H HAVE_SETPROGNAME
kash_DEFS.dragonfly = \
	HAVE_SYS_SIGNAME HAVE_SYSCTL_H HAVE_SETPROGNAME
kash_DEFS.freebsd = \
	HAVE_SYS_SIGNAME HAVE_SYSCTL_H HAVE_SETPROGNAME
kash_INCS = $(PATH_kash) . # (the last is because of error.h)
kash_ASFLAGS.win = -g cv8
kash_ASFLAGS.win.x86   = -f win32
kash_ASFLAGS.win.amd64 = -f win64
if "$(USER)" == "bird" && "$(KBUILD_TARGET)" != "win"
kash_CFLAGS += -std=gnu99
endif
kash_CFLAGS.win = -GS-
kash_SOURCES = \
	main.c \
	alias.c \
	cd.c \
	error.c \
	eval.c \
	exec.c \
	expand.c \
	histedit.c \
	input.c \
	jobs.c \
	mail.c \
	memalloc.c \
	mystring.c \
	options.c \
	output.c \
	parser.c \
	redir.c \
	show.c \
	syntax.c \
	trap.c \
	var.c \
	miscbltin.c \
	bltin/echo.c \
	bltin/kill.c \
	bltin/test.c \
	\
	$(PATH_kash)/arith.c \
	$(PATH_kash)/arith_lex.c \
	$(PATH_kash)/builtins.c \
	$(PATH_kash)/init.c \
	$(PATH_kash)/nodes.c \
	\
	setmode.c \
	shinstance.c \
	shheap.c \
	shthread.c \
	shfile.c
kash_SOURCES.linux = \
	sys_signame.c \
	strlcpy.c
kash_SOURCES.win = \
	sys_signame.c \
	strlcpy.c \
	shfork-win.c \
	shforkA-win.asm
kash_SOURCES.solaris = \
	sys_signame.c \
	strlcpy.c

kash_INTERMEDIATES = \
	$(PATH_kash)/arith.h \
	$(PATH_kash)/builtins.h \
	$(PATH_kash)/nodes.h \
	$(PATH_kash)/token.h
kash_CLEAN = \
	$(kash_INTERMEDIATES) \
	$(PATH_kash)/arith.c \
	$(PATH_kash)/arith_lex.c \
	$(PATH_kash)/builtins.c \
	$(PATH_kash)/init.c \
	$(PATH_kash)/nodes.c

##
## The manual page.
##
#INSTALLS += kash.man
#kash.man_TEMPLATE = usr.bin.man
#kash.man_SOURCES = sh.1=>kash.1


if1of ($(KBUILD_TARGET), win)

#
# Use the pregenerated code.
#
kash_INTERMEDIATES :=
kash_INCS += generated
kash_SOURCES := $(patsubst $(PATH_kash)/%,generated/%,$(kash_SOURCES))

else

#
# ATTENTION! ATTENTION! ATTENTION!
#
# Older ash versions has trouble with some of these scripts, great.
# Kudos to the NetBSD guys for this clever move. ;)
#
# So, when building for the frist time, setting BOOSTRAP_SHELL=/bin/bash is good idea.
#
BOOTSTRAP_SHELL ?= $(SHELL)
ifndef YACC
 YACC := $(firstword $(which byacc) $(which yacc) yacc)
endif

$$(PATH_kash)/arith.h + $$(PATH_kash)/arith.c: arith.y | $$(dir $$@)
	$(YACC) -ld $^
	$(MV) -f y.tab.c $(PATH_kash)/arith.c
	$(MV) -f y.tab.h $(PATH_kash)/arith.h

$$(PATH_kash)/arith_lex.c: $$(kash_DEFPATH)/arith_lex.l | $$(dir $$@)
	flex -8 -o$@ $^                     # 8-bit lex scanner for arithmetic

$$(PATH_kash)/builtins.h + $$(PATH_kash)/builtins.c: \
		$$(kash_DEFPATH)/mkbuiltins \
		$$(kash_DEFPATH)/shell.h \
		$$(kash_DEFPATH)/builtins.def \
		| $$(dir $$@)
	$(BOOTSTRAP_SHELL) $+ $(dir $@)
	[ -f $(PATH_kash)/builtins.h ]

$$(PATH_kash)/nodes.h + $$(PATH_kash)/nodes.c: \
	$$(kash_DEFPATH)/mknodes.sh \
	$$(kash_DEFPATH)/nodetypes \
	$$(kash_DEFPATH)/nodes.c.pat \
	| $$(dir $$@)
	$(BOOTSTRAP_SHELL) $+ $(dir $@)
	[ -f $(dir $@)/nodes.h ]

$$(PATH_kash)/token.h: $$(kash_DEFPATH)/mktokens | $$(dir $$@)
	$(BOOTSTRAP_SHELL) $+
	$(MV) token.h $@

$$(PATH_kash)/init.c: \
		$$(kash_DEFPATH)/mkinit.sh \
		$$(abspathex $$(filter-out $$(PATH_kash)/%,$$(kash_SOURCES)), $$(kash_DEFPATH)) \
		| $$(dir $$@)
	$(BOOTSTRAP_SHELL) $+
	$(MV) init.c $@

endif

# Include the sub-makefile.
include $(PATH_SUB_CURRENT)/tests/Makefile.kmk

include $(FILE_KBUILD_SUB_FOOTER)