# $Id$
#
# Tapestry Web Application Framework
# Copyright (c) 2000, 2001 by Howard Ship and Primix
#
# Primix
# 311 Arsenal Street
# Watertown, MA 02472
# http://www.primix.com
# mailto:hship@primix.com
# 
# This library is free software.
# 
# You may redistribute it and/or modify it under the terms of the GNU
# Lesser General Public License as published by the Free Software Foundation.
#
# Version 2.1 of the license should be included with this distribution in
# the file LICENSE, as well as License.html. If the license is not
# included with this distribution, you may find a copy at the FSF web
# site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
# Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
#
# This library 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
# Lesser General Public License for more details.

check-jdk:
ifeq "$(JAVAC)" ""
	$(error JAVAC is not defined.  This is usually a configuration error in \
		your choice of JDK Vendor ('$(FINAL_JDK_VENDOR)') \
		or JDK Platform ('$(FINAL_JDK_PLATFORM)'), or you must provide \
		a JDK configuration file $(SYS_JDK_CONFIG_FILE))
endif
ifeq "$(JDK_DIR)" ""
	$(error The JDK_DIR is not defined.  You must provide a definition for \
		variable $(JDK_DIR_VAR) in config/LocalConfig.mk)
endif

JBE_CLASS_FILES := \
	$(patsubst %.java,%.class,$(wildcard $(SYS_MAKEFILE_DIR)/com/primix/jbe/*.java))

setup-jbe-util: check-jdk $(JBE_CLASS_FILES)

# All the class files are dependant on all the java files.  In other words,
# if any .class file is missing, or any .java files is changed,
# everything gets recompiled.

$(JBE_CLASS_FILES): $(SYS_MAKEFILE_DIR)/com/primix/jbe/*.java
	$(call NOTE, Compiling JBE Utility ...)
	@$(RM) $(SYS_MAKEFILE_DIR)/com/primix/jbe/*.class
	$(CD) $(SYS_MAKEFILE_DIR) ; \
	$(JAVAC) com/primix/jbe/*.java
	@$(TOUCH) $@

# Note, for this to work, SYS_MAKEFILE_DIR must use only forward slashes. Either
# GNU Make or JAVA is eating the backslashes under NT.  JAVA_CLASSIC_OPT is only
# defined under for Sun Cygwin (the -classic option doesn't exist for Solaris).

JBE_UTIL := $(JAVA) $(JAVA_CLASSIC_OPT) -classpath $(SYS_MAKEFILE_DIR) com.primix.jbe.Util 

# Command for accessing the JBE utility.
# Usage:
#	$(call JBE_CANONICALIZE, options)
#
# Typically, something like
# $(call JBE_CANONICALIZE, -classpath $(CLASSPATH)) 
#
# Runs the JBE_UTIL in a shell and captures the output.

JBE_CANONICALIZE = $(shell $(JBE_UTIL) canonicalize $(strip $(1)))

# Splice command
# Usage:
#   $(call JBE_SPLICE, tag, target file, source file[, other options])

JBE_SPLICE = $(JBE_UTIL) splice -tag $(1) -target $(2) -source $(3) $(4)
 
# Command for running a Java command
# Usage
#	$(call EXEC_JAVA, classpath, options)
#
# classpath is a space seperated list of stuff for the classpath.
# options is passed as is to $(JAVAC), it should include JVM options,
# the main class and and program options.

EXEC_JAVA = $(JAVA) -classpath "$(call JBE_CANONICALIZE,-classpath $(1))" $(2)

# Command for copying one or more files or directories to a destination
# directory.
#
# Usage
#  $(call COPY_TREE, source dir, source files, target dir)
#
# Example:
#  $(call COPY_TREE, $(SOURCE_DIR),. images,$(TARGET_DIR))

COPY_TREE = ($(CD) $(1) && $(GNUTAR) $(GNUTAR_CREATE_OPT) $(2))  | \
			($(CD) $(3) && $(GNUTAR) $(GNUTAR_EXTRACT_OPT) )

# Command for producing output
#
# Usage
#   $(call NOTE, text)
#
# Example
#  $(call NOTE, About to do something ...)

NOTE = @ $(ECHO) "\n*** $(strip $(1)) ***\n"

.PHONY: setup-jbe-util check-jdk