[ceph.git] / ceph / src / boost / tools / build / src / build / ac.jam

# Copyright (c) 2010 Vladimir Prus.
# Copyright (c) 2013 Steven Watanabe
#
# Use, modification and distribution is subject to the Boost Software
# License Version 1.0. (See accompanying file LICENSE_1_0.txt or
# http://www.boost.org/LICENSE_1_0.txt)

import property-set ;
import path ;
import modules ;
import "class" ; 
import errors ;
import configure ;
import project ;
import virtual-target ;
import generators ;
import property ;
import print ;
import regex ;

project.initialize $(__name__) ;
.project = [ project.current ] ;
project ac ;

rule generate-include ( target : sources * : properties * )
{
    local header = [ property.select <include> : $(properties) ] ;
    print.output $(target) ;
    print.text "#include <$(header:G=)>\n" : true ;
}

rule generate-main ( target : sources * : properties * )
{
    print.output $(target) ;
    print.text "int main() {}" : true ;
}

rule find-include-path ( properties : header : provided-path ? )
{
    if $(provided-path) && [ path.exists [ path.root $(header) $(provided-path) ] ]
    {
        return $(provided-path) ;
    }
    else
    {
        local a = [ class.new action : ac.generate-include : [ property-set.create <include>$(header) ] ] ;
        # Create a new CPP target named after the header.
        # Replace dots (".") in target basename for portability.
        local basename = [ regex.replace $(header:D=) "[.]" "_" ] ;
        local header-target = $(header:S=:B=$(basename)) ;
        local cpp = [ class.new file-target $(header-target:S=.cpp) exact : CPP : $(.project) : $(a) ] ;
        cpp = [ virtual-target.register $(cpp) ] ;
        local result = [ generators.construct $(.project) $(header-target) : OBJ : $(properties) : $(cpp) : true ] ;
        local jam-targets ;
        for t in $(result[2-])
        {
            jam-targets += [ $(t).actualize ] ;
        }
        if [ UPDATE_NOW $(jam-targets) : [ modules.peek configure : .log-fd ]
            : ignore-minus-n : ignore-minus-q ]
        {
            return %default ;
        }
    }
}

rule construct-library ( name : property-set : provided-path ? )
{
    property-set = [ $(property-set).refine [ property-set.create $(link-opt) ] ] ;
    local lib-props = [ $(property-set).add-raw <name>$(name) <search>$(provided-path) ] ;
    return [ generators.construct $(.project) lib-$(name)
        : SEARCHED_LIB : $(lib-props) : : true ] ;
}


rule find-library ( properties : names + : provided-path ? )
{
    local result ;
    if ! $(.main.cpp)
    {
        local a = [ class.new action : ac.generate-main :
                    [ property-set.empty ] ] ;
        .main.cpp = [ virtual-target.register
            [ class.new file-target main.cpp exact
                : CPP : $(.project) : $(a) ] ] ;
    }
    if [ $(properties).get <link> ] = shared
    {
        link-opts = <link>shared <link>static ;
    }
    else
    {
        link-opts = <link>static <link>shared ;
    }
    while $(link-opts)
    {
        local names-iter = $(names) ;
        properties = [ $(properties).refine [ property-set.create $(link-opts[1]) ] ] ;
        while $(names-iter)
        {
            local name = $(names-iter[1]) ;
            local lib = [ construct-library $(name) : $(properties) : $(provided-path) ] ;
            local test = [ generators.construct $(.project) $(name) : EXE
                : [ $(properties).add $(lib[1]) ] : $(.main.cpp) $(lib[2-])
                : true ] ;
            local jam-targets ;
            for t in $(test[2-])
            {
                jam-targets += [ $(t).actualize ] ;
            }
            if [ UPDATE_NOW $(jam-targets) : [ modules.peek configure : .log-fd ]
                    : ignore-minus-n : ignore-minus-q ]
            {
                result = $(name) $(link-opts[1]) ;
                names-iter = ; link-opts = ; # break
            }
            names-iter = $(names-iter[2-]) ;
        }
        link-opts = $(link-opts[2-]) ;
    }
    return $(result) ;
}

class ac-library : basic-target
{
    import errors ;
    import indirect ;
    import virtual-target ;
    import ac ;
    import configure ;
    import config-cache ;

    rule __init__ ( name : project : requirements * : include-path ? : library-path ? : library-name ? )
    {
        basic-target.__init__ $(name) : $(project) : : $(requirements) ;
        
        reconfigure $(include-path) : $(library-path) : $(library-name) ; 
    }
    
    rule set-header ( header )
    {
        self.header = $(header) ; 
    }
        
    rule set-default-names ( names + )
    {
        self.default-names = $(names) ;
    }

    rule reconfigure ( include-path ? : library-path ? : library-name ? )
    {
        if $(include-path) || $(library-path) || $(library-name)
        {
            check-not-configured ;

            self.include-path = $(include-path) ;
            self.library-path = $(library-path) ;
            self.library-name = $(library-name) ;
        }
    }

    rule set-target ( target )
    {
        check-not-configured ;
        self.target = $(target) ;
    }

    rule check-not-configured ( )
    {
        if $(self.include-path) || $(self.library-path) || $(self.library-name) || $(self.target)
        {
            errors.user-error [ name ] "is already configured" ;
        }
    }
    
    rule construct ( name : sources * : property-set )
    {
        if $(self.target)
        {
            return [ $(self.target).generate $(property-set) ] ;
        }
        else
        {
            local use-environment ;
            if ! $(self.library-name) && ! $(self.include-path) && ! $(self.library-path)
            {
                use-environment = true ;
            }
            local libnames = $(self.library-name) ;
            if ! $(libnames) && $(use-environment)
            {
                libnames = [ modules.peek : $(name:U)_NAME ] ;
                # Backward compatibility only.
                libnames ?= [ modules.peek : $(name:U)_BINARY ] ;
            }
            libnames ?= $(self.default-names) ;

            local include-path = $(self.include-path) ;
            if ! $(include-path) && $(use-environment)
            {
                include-path = [ modules.peek : $(name:U)_INCLUDE ] ;
            }

            local library-path = $(self.library-path) ;
            if ! $(library-path) && $(use-environment)
            {
                library-path = [ modules.peek : $(name:U)_LIBRARY_PATH ] ;
                # Backwards compatibility only
                library-path ?= [ modules.peek : $(name:U)_LIBPATH ] ;
            }

            local toolset = [ $(property-set).get <toolset> ] ;
            local toolset-version-property = "<toolset-$(toolset):version>" ;
            local relevant = [ property.select <target-os> <toolset>
                $(toolset-version-property) <link> <address-model> <architecture> :
                [ $(property-set).raw ] ] ;

            local key = ac-library-$(name)-$(relevant:J=-) ;
            local lookup = [ config-cache.get $(key) ] ;

            if $(lookup)
            {
                if $(lookup) = missing
                {
                    configure.log-library-search-result $(name) : "no  (cached)" ;
                    return [ property-set.empty ] ;
                }
                else
                {
                    local includes = $(lookup[1]) ;
                    if $(includes) = %default
                    {
                        includes = ;
                    }
                    local library = [ ac.construct-library $(lookup[2]) :
                        [ $(property-set).refine [ property-set.create $(lookup[3]) ] ] : $(library-path) ] ;
                    configure.log-library-search-result $(name) : "yes (cached)" ;
                    return [ $(library[1]).add-raw <include>$(includes) ] $(library[2-]) ;
                }
            }
            else
            {
                local includes = [ ac.find-include-path $(property-set) : $(self.header) : $(include-path) ] ;
                local library = [ ac.find-library $(property-set) : $(libnames) : $(library-path) ] ;
                if $(includes) && $(library)
                {
                    config-cache.set $(key) : $(includes) $(library) ;
                    if $(includes) = %default
                    {
                        includes = ;
                    }
                    library = [ ac.construct-library $(library[1]) :
                        [ $(property-set).refine [ property-set.create $(library[2]) ] ]  : $(library-path) ] ;
                    configure.log-library-search-result $(name) : "yes" ;
                    return [ $(library[1]).add-raw <include>$(includes) ] $(library[2-]) ;
                }
                else
                {
                    config-cache.set $(key) : missing ;
                    configure.log-library-search-result $(name) : "no" ;
                    return [ property-set.empty ] ;
                }
            }
        }       
    }
}

class check-library-worker
{
    import property-set ;
    import targets ;
    import property ;

    rule __init__ ( target : true-properties * : false-properties * )
    {
        self.target = $(target) ;
        self.true-properties = $(true-properties) ;
        self.false-properties = $(false-properties) ;
    }

    rule check ( properties * )
    {
        local choosen ;
        local t = [ targets.current ] ;
        local p =  [ $(t).project ] ;
        local ps = [ property-set.create $(properties) ] ;
        ps = [ $(ps).propagated ] ;
        local generated =
            [ targets.generate-from-reference $(self.target) : $(p) : $(ps) ] ;
        if $(generated[2])
        {
            choosen = $(self.true-properties) ;
        }
        else
        {
            choosen = $(self.false-properties) ;
        }
        return [ property.evaluate-conditionals-in-context $(choosen) :
            $(properties) ] ;
    }
}

rule check-library ( target : true-properties * : false-properties * )
{
    local instance = [ class.new check-library-worker $(target) :
        $(true-properties) : $(false-properties) ] ;
    return <conditional>@$(instance).check ;
}
Commit	Line	Data
7c673cae FG	1	# Copyright (c) 2010 Vladimir Prus.
	2	# Copyright (c) 2013 Steven Watanabe
	3	#
	4	# Use, modification and distribution is subject to the Boost Software
	5	# License Version 1.0. (See accompanying file LICENSE_1_0.txt or
	6	# http://www.boost.org/LICENSE_1_0.txt)
	7
	8	import property-set ;
	9	import path ;
	10	import modules ;
	11	import "class" ;
	12	import errors ;
	13	import configure ;
	14	import project ;
	15	import virtual-target ;
	16	import generators ;
	17	import property ;
	18	import print ;
	19	import regex ;
	20
	21	project.initialize $(__name__) ;
	22	.project = [ project.current ] ;
	23	project ac ;
	24
	25	rule generate-include ( target : sources * : properties * )
	26	{
	27	local header = [ property.select <include> : $(properties) ] ;
	28	print.output $(target) ;
	29	print.text "#include <$(header:G=)>\n" : true ;
	30	}
	31
	32	rule generate-main ( target : sources * : properties * )
	33	{
	34	print.output $(target) ;
	35	print.text "int main() {}" : true ;
	36	}
	37
	38	rule find-include-path ( properties : header : provided-path ? )
	39	{
	40	if $(provided-path) && [ path.exists [ path.root $(header) $(provided-path) ] ]
	41	{
	42	return $(provided-path) ;
	43	}
	44	else
	45	{
	46	local a = [ class.new action : ac.generate-include : [ property-set.create <include>$(header) ] ] ;
	47	# Create a new CPP target named after the header.
	48	# Replace dots (".") in target basename for portability.
	49	local basename = [ regex.replace $(header:D=) "[.]" "_" ] ;
	50	local header-target = $(header:S=:B=$(basename)) ;
	51	local cpp = [ class.new file-target $(header-target:S=.cpp) exact : CPP : $(.project) : $(a) ] ;
	52	cpp = [ virtual-target.register $(cpp) ] ;
	53	local result = [ generators.construct $(.project) $(header-target) : OBJ : $(properties) : $(cpp) : true ] ;
	54	local jam-targets ;
	55	for t in $(result[2-])
	56	{
	57	jam-targets += [ $(t).actualize ] ;
	58	}
	59	if [ UPDATE_NOW $(jam-targets) : [ modules.peek configure : .log-fd ]
	60	: ignore-minus-n : ignore-minus-q ]
	61	{
	62	return %default ;
	63	}
	64	}
65	}
66
67	rule construct-library ( name : property-set : provided-path ? )
68	{
69	property-set = [ $(property-set).refine [ property-set.create $(link-opt) ] ] ;
70	local lib-props = [ $(property-set).add-raw <name>$(name) <search>$(provided-path) ] ;
71	return [ generators.construct $(.project) lib-$(name)
72	: SEARCHED_LIB : $(lib-props) : : true ] ;
73	}
74
75
76	rule find-library ( properties : names + : provided-path ? )
77	{
78	local result ;
79	if ! $(.main.cpp)
80	{
81	local a = [ class.new action : ac.generate-main :
82	[ property-set.empty ] ] ;
83	.main.cpp = [ virtual-target.register
84	[ class.new file-target main.cpp exact
85	: CPP : $(.project) : $(a) ] ] ;
86	}
87	if [ $(properties).get <link> ] = shared
88	{
89	link-opts = <link>shared <link>static ;
90	}
91	else
92	{
93	link-opts = <link>static <link>shared ;
94	}
95	while $(link-opts)
96	{
97	local names-iter = $(names) ;
98	properties = [ $(properties).refine [ property-set.create $(link-opts[1]) ] ] ;
99	while $(names-iter)
100	{
101	local name = $(names-iter[1]) ;
102	local lib = [ construct-library $(name) : $(properties) : $(provided-path) ] ;
103	local test = [ generators.construct $(.project) $(name) : EXE
104	: [ $(properties).add $(lib[1]) ] : $(.main.cpp) $(lib[2-])
105	: true ] ;
106	local jam-targets ;
107	for t in $(test[2-])
108	{
109	jam-targets += [ $(t).actualize ] ;
110	}
111	if [ UPDATE_NOW $(jam-targets) : [ modules.peek configure : .log-fd ]
112	: ignore-minus-n : ignore-minus-q ]
113	{
114	result = $(name) $(link-opts[1]) ;
115	names-iter = ; link-opts = ; # break
116	}
117	names-iter = $(names-iter[2-]) ;
118	}
119	link-opts = $(link-opts[2-]) ;
120	}
121	return $(result) ;
122	}
123
124	class ac-library : basic-target
125	{
126	import errors ;
127	import indirect ;
128	import virtual-target ;
129	import ac ;
130	import configure ;
131	import config-cache ;
132
133	rule __init__ ( name : project : requirements * : include-path ? : library-path ? : library-name ? )
134	{
135	basic-target.__init__ $(name) : $(project) : : $(requirements) ;
136
137	reconfigure $(include-path) : $(library-path) : $(library-name) ;
138	}
139
140	rule set-header ( header )
141	{
142	self.header = $(header) ;
143	}
144
145	rule set-default-names ( names + )
146	{
147	self.default-names = $(names) ;
148	}
149
150	rule reconfigure ( include-path ? : library-path ? : library-name ? )
151	{
152	if $(include-path) \|\| $(library-path) \|\| $(library-name)
153	{
154	check-not-configured ;
155
156	self.include-path = $(include-path) ;
157	self.library-path = $(library-path) ;
158	self.library-name = $(library-name) ;
159	}
160	}
161
162	rule set-target ( target )
163	{
164	check-not-configured ;
165	self.target = $(target) ;
166	}
167
168	rule check-not-configured ( )
169	{
170	if $(self.include-path) \|\| $(self.library-path) \|\| $(self.library-name) \|\| $(self.target)
171	{
172	errors.user-error [ name ] "is already configured" ;
173	}
174	}
175
176	rule construct ( name : sources * : property-set )
177	{
178	if $(self.target)
179	{
180	return [ $(self.target).generate $(property-set) ] ;
181	}
182	else
183	{
184	local use-environment ;
185	if ! $(self.library-name) && ! $(self.include-path) && ! $(self.library-path)
186	{
187	use-environment = true ;
188	}
189	local libnames = $(self.library-name) ;
190	if ! $(libnames) && $(use-environment)
191	{
192	libnames = [ modules.peek : $(name:U)_NAME ] ;
193	# Backward compatibility only.
194	libnames ?= [ modules.peek : $(name:U)_BINARY ] ;
195	}
196	libnames ?= $(self.default-names) ;
197
198	local include-path = $(self.include-path) ;
199	if ! $(include-path) && $(use-environment)
200	{
201	include-path = [ modules.peek : $(name:U)_INCLUDE ] ;
202	}
203
204	local library-path = $(self.library-path) ;
205	if ! $(library-path) && $(use-environment)
206	{
207	library-path = [ modules.peek : $(name:U)_LIBRARY_PATH ] ;
208	# Backwards compatibility only
209	library-path ?= [ modules.peek : $(name:U)_LIBPATH ] ;
210	}
211
212	local toolset = [ $(property-set).get <toolset> ] ;
213	local toolset-version-property = "<toolset-$(toolset):version>" ;
214	local relevant = [ property.select <target-os> <toolset>
215	$(toolset-version-property) <link> <address-model> <architecture> :
216	[ $(property-set).raw ] ] ;
217
218	local key = ac-library-$(name)-$(relevant:J=-) ;
219	local lookup = [ config-cache.get $(key) ] ;
220
221	if $(lookup)
222	{
223	if $(lookup) = missing
224	{
225	configure.log-library-search-result $(name) : "no (cached)" ;
226	return [ property-set.empty ] ;
227	}
228	else
229	{
230	local includes = $(lookup[1]) ;
231	if $(includes) = %default
232	{
233	includes = ;
234	}
235	local library = [ ac.construct-library $(lookup[2]) :
236	[ $(property-set).refine [ property-set.create $(lookup[3]) ] ] : $(library-path) ] ;
237	configure.log-library-search-result $(name) : "yes (cached)" ;
238	return [ $(library[1]).add-raw <include>$(includes) ] $(library[2-]) ;
239	}
240	}
241	else
242	{
243	local includes = [ ac.find-include-path $(property-set) : $(self.header) : $(include-path) ] ;
244	local library = [ ac.find-library $(property-set) : $(libnames) : $(library-path) ] ;
245	if $(includes) && $(library)
246	{
247	config-cache.set $(key) : $(includes) $(library) ;
248	if $(includes) = %default
249	{
250	includes = ;
251	}
252	library = [ ac.construct-library $(library[1]) :
253	[ $(property-set).refine [ property-set.create $(library[2]) ] ] : $(library-path) ] ;
254	configure.log-library-search-result $(name) : "yes" ;
255	return [ $(library[1]).add-raw <include>$(includes) ] $(library[2-]) ;
256	}
257	else
258	{
259	config-cache.set $(key) : missing ;
260	configure.log-library-search-result $(name) : "no" ;
261	return [ property-set.empty ] ;
262	}
263	}
264	}
265	}
266	}
267
268	class check-library-worker
269	{
270	import property-set ;
271	import targets ;
272	import property ;
273
274	rule __init__ ( target : true-properties * : false-properties * )
275	{
276	self.target = $(target) ;
277	self.true-properties = $(true-properties) ;
278	self.false-properties = $(false-properties) ;
279	}
280
281	rule check ( properties * )
282	{
283	local choosen ;
284	local t = [ targets.current ] ;
285	local p = [ $(t).project ] ;
286	local ps = [ property-set.create $(properties) ] ;
287	ps = [ $(ps).propagated ] ;
288	local generated =
289	[ targets.generate-from-reference $(self.target) : $(p) : $(ps) ] ;
290	if $(generated[2])
291	{
292	choosen = $(self.true-properties) ;
293	}
294	else
295	{
296	choosen = $(self.false-properties) ;
297	}
298	return [ property.evaluate-conditionals-in-context $(choosen) :
299	$(properties) ] ;
300	}
301	}
302
303	rule check-library ( target : true-properties * : false-properties * )
304	{
305	local instance = [ class.new check-library-worker $(target) :
306	$(true-properties) : $(false-properties) ] ;
307	return <conditional>@$(instance).check ;
308	}