#
# $Id$
#
# Part of Equinox Desktop Environment (EDE).
# Copyright (c) 2000-2007 EDE Authors.
#
# This program is licensed under terms of the 
# GNU General Public License version 2 or newer.
# See COPYING for details.

# MakeProgramPrivate [target] : [sources] : [libraries] : [flags] ;
rule MakeProgramPrivate
{
	local target objects ;

	# If this is gristed, targets of LinkAgainst, SharedLibrary and SharedLibraryVersioned
	# _must_ be too. As I could see, in Jambase target is not gristed.
	# I'm not sure what for cases foo/foo, but for now, things looking very good.
	# target = $(1:G=$(SOURCE_GRIST)) ;

	target = $(1) ;

	# so 'jam foo' works when 'foo' is final executable
	if $(target) != $(<) {
		LocalDepends $(<) : $(target) ;
		NotFile $(<) ;
	}

	objects = [ FGristFiles $(2:S=$(SUFOBJ)) ] ;

	# Pick up values if someone set flags outside (via ObjectCcFlags and etc.)
	CCFLAGS on $(objects) += $(4) ;
	C++FLAGS on $(objects) += $(4) ;

	if $(REMOVE_UNUSED_DEPENDENCIES_TRICK) = 1 {
		# remove unused dependencies in binaries, as U.Drepper prescribed ;-)
		LINKFLAGS on $(target) = -Wl,--as-needed [ on $(target) return $(LINKFLAGS) ] ;
	}

	LINKLIBS on $(target) = $(3) [ on $(target) return $(LINKLIBS) ] ;

	MainFromObjects $(target) : $(objects) ;
	Objects $(>) ;
}

# LinkAgainst [taraget] : [libraries] ;
# Add [libraries] to list of libraries for linking with [taraget]. This
# rule is similar to jam's LinkLibraries, but it will not built those libraries
# nor marked them for building. Also requires [libraries] are in the form '-lfoo'.
rule LinkAgainst
{
	# Here is not used grist on target (LinkLibraries does not use it too).
	# If gristing is added, make shure is added to SharedLibrary and SharedLibraryVersioned
	# or it will not pick libraries and symlink will not be created.
	LINKLIBS on $(1) = [ on $(1) return $(LINKLIBS) ] $(2) ;
}

# LinkAgainstAsFirst [taraget] : [libraries] ;
# The same as LinkAgainst, except [libraries] will be placed before other libraries.
rule LinkAgainstAsFirst
{
	LINKLIBS on $(1) = $(2) [ on $(1) return $(LINKLIBS) ] ;
}

# Program [target] : [sources] ;
# Compiles and links [target] from [sources]. No external flags or
# libraries are used since this should be generic rule for compiling
# any program.
rule Program
{
	Main $(1) : $(2) ;
}

# EdeProgram [target] : [sources] : [noinstall] ;
# Creates EDE specific programs. They will be linked with EDELIBLIB
# and FLTKLIB. If [noinstall] is given, [target] will not be installed wit 'jam install'.
rule EdeProgram
{
	if ! $(EDELIBINCLUDE) || ! $(EDELIBLIB) {
		Echo "EDELIBINCLUDE or EDELIBLIB not defined; $(1) will not be built" ;
		return ;
	}

	MakeProgramPrivate $(1) : $(2) 
		: $(EDELIBLIB) $(FLTKLIB) $(STDLIB) 
		: $(GLOBALFLAGS) $(EDELIBINCLUDE) $(FLTKINCLUDE) ;

	if $(3) != "noinstall" {
		InstallEdeProgram $(1) ;
	}
}

# EdeProgramAsFltkBare [target] : [sources] : [noinstall] ;
# Creates EDE specific programs. They will be linked with EDELIBLIB
# and FLTKLIB. If [noinstall] is given, [target] will not be installed wit 'jam install'.
rule EdeProgramAsFltkBare
{
	if ! $(EDELIBINCLUDE) || ! $(EDELIBLIB) {
		Echo "EDELIBINCLUDE or EDELIBLIB not defined; $(1) will not be built" ;
		return ;
	}

	MakeProgramPrivate $(1) : $(2) 
		: $(EDELIBLIB) $(FLTKLIB_NOIMAGES) $(STDLIB) 
		: $(GLOBALFLAGS) $(EDELIBINCLUDE) $(FLTKINCLUDE) ;

	if $(3) != "noinstall" {
		InstallEdeProgram $(1) ;
	}
}



# EfltkProgram [target] : [sources] : [noinstall] ;
# Creates programs that will be linked with efltk. If [noinstall] is given, 
# [target] will not be installed wit 'jam install'.
rule EfltkProgram 
{
	if ! $(EFLTKINCLUDE) || ! $(EFLTKLIB) {
		Echo "EFLTKINCLUDE or EFLTKLIB not defined; $(1) will not be built" ;
		return ;
	}

	MakeProgramPrivate $(1) : $(2) 
		: $(EFLTKLIB) $(STDLIB) 
		: $(GLOBALFLAGS) $(EFLTKINCLUDE) ;

	# install it where ede binaries resides
	if $(3) != "noinstall" {
		InstallEdeProgram $(1) ;
	}
}

# FltkProgram [target] : [sources] : [noinstall] ;
# Creates programs that will be linked with fltk only. It will use full fltk
# dependencies (images).
rule FltkProgram 
{
	if ! $(FLTKINCLUDE) || ! $(FLTKLIB) {
		Echo "FLTKINCLUDE or FLTKLIB not defined; $(1) will not be built" ;
		return ;
	}

	MakeProgramPrivate $(1) : $(2) 
		: $(FLTKLIB) $(STDLIB) 
		: $(GLOBALFLAGS) $(FLTKINCLUDE) ;

	# install it where ede binaries resides
	if $(3) != "noinstall" {
		InstallEdeProgram $(1) ;
	}
}

# FltkProgramBare [target] : [sources] : [noinstall] ;
# Creates programs that will be linked with fltk only. No images will be linked in it.
rule FltkProgramBare
{
	if ! $(FLTKINCLUDE) || ! $(FLTKLIB_NOIMAGES) {
		Echo "FLTKINCLUDE or FLTKLIB_NOIMAGES not defined; $(1) will not be built" ;
		return ;
	}

	MakeProgramPrivate $(1) : $(2) 
		: $(FLTKLIB_NOIMAGES) $(STDLIB) 
		: $(GLOBALFLAGS) $(FLTKINCLUDE) ;

	# install it where ede binaries resides
	if $(3) != "noinstall" {
		InstallEdeProgram $(1) ;
	}
}

# ProgramBare [target] : [sources] : [noinstall] ;
# Creates programs that will be linked only with standard library (no FLTK and X11 libraries).
# This rule is usefull for creating command line programs that should be installed at the same
# place where other EDE programs are installed.
rule ProgramBare
{
	MakeProgramPrivate $(1) : $(2) 
		: $(STDLIB) 
		: $(GLOBALFLAGS) ;

	# install it where ede binaries resides
	if $(3) != "noinstall" {
		InstallEdeProgram $(1) ;
	}
}