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59ac41edd3
- boostrap.jam; Modified the parsing of options to accept the syntax that the help system requires. - doc.jam; Removed the option parsing code. - doc.jam; Added some rules to set documentation options. - help.jam; Move in code from doc.jam to parse options. [SVN r18798]
124 lines
4.1 KiB
Plaintext
Executable File
124 lines
4.1 KiB
Plaintext
Executable File
# (C) Copyright David Abrahams 2001.
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# (C) Copyright Rene Rivera 2003.
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#
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# Permission to copy, use, modify, sell and
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# distribute this software is granted provided this copyright notice appears in
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# all copies. This software is provided "as is" without express or implied
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# warranty, and with no claim as to its suitability for any purpose.
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# First of all, check the jam version
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if $(JAM_VERSION:J="") < 030105
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{
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ECHO "error: Boost.Jam version 3.1.5 or later required" ;
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EXIT ;
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}
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# Bootstrap the module system. Then bring the import rule into the global module.
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#
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SEARCH on <module@>modules.jam = $(.bootstrap-file:D) ;
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module modules { include <module@>modules.jam ; }
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IMPORT modules : import : : import ;
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{
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# Add module subdirectories to the BOOST_BUILD_PATH, which allows
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# us to make an incremental refactoring step by moving modules to
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# the appropriate subdirectories, thereby achieving some physical
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# separation of different layers without changing all of our code
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# to specify subdirectories in import statements or use an extra
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# level of qualification on imported names.
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local subdirs =
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kernel # only the most-intrinsic modules: modules, errors
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util # low-level substrate: string/number handling, etc.
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core # essential elements of the build system architecture
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tools # toolsets for handling specific build jobs and targets.
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new # until we get everything sorted out, there is
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# still some code here
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. # build-system.jam lives here
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;
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local whereami = $(.bootstrap-file:D) ;
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BOOST_BUILD_PATH += $(whereami:D)/$(subdirs) ;
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}
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# Reload the modules, to clean up things. The modules module can tolerate
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# being included twice.
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#
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import modules ;
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# Check command-line args as soon as possible. For each option try
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# to load module named after option. Is that succeeds, invoke 'process'
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# rule in the module. The rule may return "true" to indicate that the
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# regular built process should not be attempted.
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#
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# Options take the general form of: --<name>[=<value>] [<value>]
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#
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local dont-build ;
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local args = $(ARGV) ;
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while $(args)
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{
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local arg = [ MATCH ^--(.*) : $(args[1]) ] ;
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while $(args[2-]) && ! $(arg)
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{
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args = $(args[2-]) ;
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arg = [ MATCH ^--(.*) : $(args[1]) ] ;
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}
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args = $(args[2-]) ;
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if $(arg)
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{
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local split = [ MATCH ^(([^-=]+)[^=]*)(=?)(.*)$ : $(arg) ] ;
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local full-name = $(split[1]) ;
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local prefix = $(split[2]) ;
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local values ;
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if $(split[3])
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{
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values = $(split[4]) ;
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}
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if $(args) && ! [ MATCH ^(--).* : $(args[1]) ]
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{
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values += $(args[1]) ;
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args = $(args[2-]) ;
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}
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# look in options subdirectories of BOOST_BUILD_PATH for modules
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# matching the full option name and then its prefix.
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local plugin-dir = options ;
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local option-files = [
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GLOB $(plugin-dir:D=$(BOOST_BUILD_PATH)) : $(full-name).jam $(prefix).jam
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] ;
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if $(option-files)
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{
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# load the file into a module named for the option
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local f = $(option-files[1]) ;
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local module-name = --$(f:D=:S=) ;
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modules.load $(module-name) : $(f:D=) : $(f:D) ;
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# if there's a process rule, call it with the full option name
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# and its value (if any). If there was no "=" in the option,
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# the value will be empty.
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if process in [ RULENAMES $(module-name) ]
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{
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dont-build +=
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[ modules.call-in $(module-name) : process --$(full-name) : $(values) ] ;
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}
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}
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}
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}
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if ! $(dont-build)
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{
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# Allow users to override the build system file from the
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# command-line (mostly for testing)
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local build-system = [ MATCH --build-system=(.*) : $(ARGV) ] ;
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build-system ?= build-system ;
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# Use last element in case of multiple command-line options
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import $(build-system[-2]) ;
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}
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