# Copyright 2002-2017 Rene Rivera
# Copyright 2002-2017 Vladimir Prus
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
import "class" : new ;
import generators ;
import param ;
import project ;
import targets ;
# The generator class for libraries (target type LIB). Depending on properties
# it will request building of the appropriate specific library type --
# -- SHARED_LIB, STATIC_LIB or SHARED_LIB.
#
class lib-generator : generator
{
rule __init__ ( * : * )
{
generator.__init__ $(1) : $(2) : $(3) : $(4) : $(5) : $(6) : $(7) : $(8)
: $(9) : $(10) : $(11) : $(12) : $(13) : $(14) : $(15) : $(16) :
$(17) : $(18) : $(19) ;
}
rule run ( project name ? : property-set : sources * )
{
# The lib generator is composing, and can be only invoked with an
# explicit name. This check is present in generator.run (and so in
# builtin.linking-generator) but duplicated here to avoid doing extra
# work.
if $(name)
{
local properties = [ $(property-set).raw ] ;
# Determine the needed target type.
local actual-type ;
# files can be generated by @rule feature
# in which case we do not consider it a SEARCHED_LIB type.
if ! in $(properties:G) &&
( in $(properties:G) || in $(properties:G) )
{
actual-type = SEARCHED_LIB ;
}
else if in $(properties:G)
{
actual-type = LIB ;
}
else if shared in $(properties)
{
actual-type = SHARED_LIB ;
}
else
{
actual-type = STATIC_LIB ;
}
property-set = [ $(property-set).add-raw LIB link ] ;
# Construct the target.
local result = [ generators.construct $(project) $(name) : $(actual-type)
: $(property-set) : $(sources) ] ;
return [ $(result[1]).add-raw link ] $(result[2-]) ;
}
}
rule viable-source-types ( )
{
return * ;
}
}
generators.register [ new lib-generator builtin.lib-generator : : LIB ] ;
# The implementation of the 'lib' rule. Beyond standard syntax that rule allows
# simplified: "lib a b c ;".
#
rule lib ( names + : sources * : requirements * : default-build * :
usage-requirements * )
{
param.handle-named-params
sources requirements default-build usage-requirements ;
if $(names[2])
{
if in $(requirements:G)
{
import errors ;
errors.user-error "When several names are given to the 'lib' rule" :
"it is not allowed to specify the feature." ;
}
if $(sources)
{
import errors ;
errors.user-error "When several names are given to the 'lib' rule" :
"it is not allowed to specify sources." ;
}
}
# This is a circular module dependency so it must be imported here.
import targets ;
local project = [ project.current ] ;
local result ;
for local name in $(names)
{
local r = $(requirements) ;
# Support " lib a ; " and " lib a b c ; " syntax.
if ! $(sources) && ! in $(requirements:G)
&& ! in $(requirements:G)
{
r += $(name) ;
}
result += [ targets.main-target-alternative
[ new typed-target $(name) : $(project) : LIB
: [ targets.main-target-sources $(sources) : $(name) ]
: [ targets.main-target-requirements $(r) : $(project) ]
: [ targets.main-target-default-build $(default-build) : $(project) ]
: [ targets.main-target-usage-requirements $(usage-requirements) : $(project) ]
] ] ;
}
return $(result) ;
}
IMPORT $(__name__) : lib : : lib ;