/usr/share/boost-build/build/ac.jam is in libboost1.49-dev 1.49.0-3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | # Copyright (c) 2010 Vladimir Prus.
#
# 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 ;
rule find-include-path ( variable : properties : header
: provided-path ? )
{
# FIXME: document which properties affect this function by
# default.
local target-os = [ $(properties).get <target-os> ] ;
properties = [ property-set.create <target-os>$(toolset) ] ;
if $($(variable)-$(properties))
{
return $($(variable)-$(properties)) ;
}
else
{
provided-path ?= [ modules.peek : $(variable) ] ;
includes = $(provided-path) ;
includes += [ $(properties).get <include> ] ;
if [ $(properties).get <target-os> ] != windows
{
# FIXME: use sysroot
includes += /usr/include ;
}
local result ;
while ! $(result) && $(includes)
{
local f = [ path.root $(header) $(includes[1]) ] ;
ECHO "Checking " $(f) ;
if [ path.exists $(f) ]
{
result = $(includes[1]) ;
}
else if $(provided-path)
{
errors.user-error "Could not find header" $(header)
: "in the user-specified directory" $(provided-path) ;
}
includes = $(includes[2-]) ;
}
$(variable)-$(properties) = $(result) ;
return $(result) ;
}
}
rule find-library ( variable : properties : names + : provided-path ? )
{
local target-os = [ $(properties).get <target-os> ] ;
properties = [ property-set.create <target-os>$(toolset) ] ;
if $($(variable)-$(properties))
{
return $($(variable)-$(properties)) ;
}
else
{
provided-path ?= [ modules.peek : $(variable) ] ;
paths = $(provided-path) ;
paths += [ $(properties).get <library-path> ] ;
if [ $(properties).get <target-os> ] != windows
{
paths += /usr/lib /usr/lib32 /usr/lib64 ;
}
local result ;
while ! $(result) && $(paths)
{
while ! $(result) && $(names)
{
local f ;
if $(target-os) = windows
{
f = $(paths[1])/$(names[1]).lib ;
if [ path.exists $(f) ]
{
result = $(f) ;
}
}
else
{
# FIXME: check for .a as well, depending on
# the 'link' feature.
f = $(paths[1])/lib$(names[1]).so ;
ECHO "CHECKING $(f) " ;
if [ path.exists $(f) ]
{
result = $(f) ;
}
}
if ! $(result) && $(provided-path)
{
errors.user-error "Could not find either of: " $(names)
: "in the user-specified directory" $(provided-path) ;
}
names = $(names[2-]) ;
}
paths = $(paths[2-]) ;
}
$(variable)-$(properties) = $(result) ;
return $(result) ;
}
}
class ac-library : basic-target
{
import errors ;
import indirect ;
import virtual-target ;
import ac ;
import configure ;
rule __init__ ( name : project : * : * )
{
basic-target.__init__ $(name) : $(project) : $(sources)
: $(requirements) ;
reconfigure $(3) : $(4) : $(5) : $(6) : $(7) : $(8) : $(9) ;
}
rule set-header ( header )
{
self.header = $(header) ;
}
rule set-default-names ( names + )
{
self.default-names = $(names) ;
}
rule reconfigure ( * : * )
{
ECHO "XXX" $(1) ;
if ! $(1)
{
# This is 'using xxx ;'. Nothing to configure, really.
}
else
{
for i in 1 2 3 4 5 6 7 8 9
{
# FIXME: this naming is inconsistent with XXX_INCLUDE/XXX_LIBRARY
if ! ( $($(i)[1]) in root include-path library-path library-name condition )
{
errors.user-error "Invalid named parameter" $($(i)[1]) ;
}
local name = $($(i)[1]) ;
local value = $($(i)[2-]) ;
if $($(name)) && $($(name)) != $(value)
{
errors.user-error "Attempt to change value of '$(name)'" ;
}
$(name) = $(value) ;
}
include-path ?= $(root)/include ;
library-path ?= $(root)/lib ;
}
}
rule construct ( name : sources * : property-set )
{
# FIXME: log results.
local libnames = $(library-name) ;
if ! $(libnames) && ! $(include-path) && ! $(library-path)
{
libnames = [ modules.peek : $(name:U)_NAME ] ;
# Backward compatibility only.
libnames ?= [ modules.peek : $(name:U)_BINARY ] ;
}
libnames ?= $(self.default-names) ;
local includes = [
ac.find-include-path $(name:U)_INCLUDE : $(property-set) : $(self.header) : $(include-path) ] ;
local library = [ ac.find-library $(name:U)_LIBRARY : $(property-set) : $(libnames) : $(library-path) ] ;
if $(includes) && $(library)
{
library = [ virtual-target.from-file $(library) : . : $(self.project) ] ;
configure.log-library-search-result $(name) : "found" ;
return [ property-set.create <include>$(includes) <source>$(library) ] ;
}
else
{
configure.log-library-search-result $(name) : "no found" ;
}
}
}
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