| # Copyright 2003 Dave Abrahams |
| # Copyright 2003, 2005, 2006 Rene Rivera |
| # Copyright 2003, 2005, 2006 Vladimir Prus |
| # Distributed under the Boost Software License, Version 1.0. |
| # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
| |
| # First of all, check the jam version |
| |
| if $(JAM_VERSION:J="") < 030112 |
| { |
| ECHO "error: Boost.Jam version 3.1.12 or later required" ; |
| EXIT ; |
| } |
| |
| local required-rules = GLOB-RECURSIVELY HAS_NATIVE_RULE ; |
| |
| for local r in $(required-rules) |
| { |
| if ! $(r) in [ RULENAMES ] |
| { |
| ECHO "error: builtin rule '$(r)' is not present" ; |
| ECHO "error: your version of bjam is likely out of date" ; |
| ECHO "error: please get a fresh version from SVN." ; |
| EXIT ; |
| } |
| } |
| |
| local native = |
| regex transform 2 |
| ; |
| while $(native) |
| { |
| if ! [ HAS_NATIVE_RULE $(native[1]) : |
| $(native[2]) : |
| $(native[3]) ] |
| { |
| ECHO "error: missing native rule '$(native[1]).$(native[2])'" ; |
| ECHO "error: or interface version of that rule is too low" ; |
| ECHO "error: your version of bjam is likely out of date" ; |
| ECHO "error: please get a fresh version from SVN." ; |
| EXIT ; |
| } |
| native = $(native[4-]) ; |
| } |
| |
| # Check that the builtin .ENVIRON module is present. We don't have a |
| # builtin to check that a module is present, so we assume that the PATH |
| # environment variable is always set and verify that the .ENVIRON module |
| # has non-empty value of that variable. |
| module .ENVIRON |
| { |
| local p = $(PATH) $(Path) $(path) ; |
| if ! $(p) |
| { |
| ECHO "error: no builtin module .ENVIRON is found" ; |
| ECHO "error: your version of bjam is likely out of date" ; |
| ECHO "error: please get a fresh version from SVN." ; |
| EXIT ; |
| } |
| } |
| |
| # Check that @() functionality is present. Similarly to modules, |
| # we don't have a way to test that directly. Instead we check that |
| # $(TMPNAME) functionality is present which was added at roughly |
| # the same time (more precisely it was added just before). |
| { |
| if ! $(TMPNAME) |
| { |
| ECHO "error: no @() functionality found" ; |
| ECHO "error: your version of bjam is likely out of date" ; |
| ECHO "error: please get a fresh version from SVN." ; |
| EXIT ; |
| } |
| } |
| |
| # Make sure that \n escape is avaiable. |
| if "\n" = "n" |
| { |
| if $(OS) = CYGWIN |
| { |
| ECHO "warning: escape sequences are not supported" ; |
| ECHO "warning: this will cause major misbehaviour on cygwin" ; |
| ECHO "warning: your version of bjam is likely out of date" ; |
| ECHO "warning: please get a fresh version from SVN." ; |
| } |
| } |
| |
| # Bootstrap the module system. Then bring the import rule into the global module. |
| # |
| SEARCH on <module@>modules.jam = $(.bootstrap-file:D) ; |
| module modules { include <module@>modules.jam ; } |
| IMPORT modules : import : : import ; |
| |
| { |
| # Add module subdirectories to the BOOST_BUILD_PATH, which allows |
| # us to make an incremental refactoring step by moving modules to |
| # the appropriate subdirectories, thereby achieving some physical |
| # separation of different layers without changing all of our code |
| # to specify subdirectories in import statements or use an extra |
| # level of qualification on imported names. |
| |
| local subdirs = |
| kernel # only the most-intrinsic modules: modules, errors |
| util # low-level substrate: string/number handling, etc. |
| build # essential elements of the build system architecture |
| tools # toolsets for handling specific build jobs and targets. |
| contrib # user contributed (unreviewed) modules |
| . # build-system.jam lives here |
| ; |
| local whereami = [ NORMALIZE_PATH $(.bootstrap-file:DT) ] ; |
| BOOST_BUILD_PATH += $(whereami:D)/$(subdirs) ; |
| |
| modules.poke .ENVIRON : BOOST_BUILD_PATH : $(BOOST_BUILD_PATH) ; |
| |
| modules.poke : EXTRA_PYTHONPATH : $(whereami) ; |
| } |
| |
| # Reload the modules, to clean up things. The modules module can tolerate |
| # being included twice. |
| # |
| import modules ; |
| |
| # Process option plugins first to alow them to prevent loading |
| # the rest of the build system. |
| # |
| import option ; |
| local dont-build = [ option.process ] ; |
| |
| # Should we skip building, i.e. loading the build system, according |
| # to the options processed? |
| # |
| if ! $(dont-build) |
| { |
| if ! --python in $(ARGV) |
| { |
| # Allow users to override the build system file from the |
| # command-line (mostly for testing) |
| local build-system = [ MATCH --build-system=(.*) : $(ARGV) ] ; |
| build-system ?= build-system ; |
| |
| # Use last element in case of multiple command-line options |
| import $(build-system[-1]) ; |
| } |
| else |
| { |
| ECHO "Boost.Build V2 Python port (experimental)" ; |
| |
| # Define additional interface that is exposed to Python code. Python code will |
| # also have access to select bjam builtins in the 'bjam' module, but some |
| # things are easier to define outside C. |
| module python_interface |
| { |
| rule load ( module-name : location ) |
| { |
| USER_MODULE $(module-name) ; |
| # Make all rules in the loaded module available in |
| # the global namespace, so that we don't have |
| # to bother specifying "right" module when calling |
| # from Python. |
| module $(module-name) |
| { |
| __name__ = $(1) ; |
| include $(2) ; |
| local rules = [ RULENAMES $(1) ] ; |
| IMPORT $(1) : $(rules) : $(1) : $(1).$(rules) ; |
| } |
| } |
| |
| rule peek ( module-name ? : variables + ) |
| { |
| module $(<) |
| { |
| return $($(>)) ; |
| } |
| } |
| |
| rule set-variable ( module-name : name : value * ) |
| { |
| module $(<) |
| { |
| $(>) = $(3) ; |
| } |
| } |
| |
| rule set-top-level-targets ( targets * ) |
| { |
| DEPENDS all : $(targets) ; |
| } |
| |
| rule set-update-action ( action : targets * : sources * : properties * ) |
| { |
| $(action) $(targets) : $(sources) : $(properties) ; |
| } |
| |
| rule set-target-variable ( targets + : variable : value * : append ? ) |
| { |
| if $(append) |
| { |
| $(variable) on $(targets) += $(value) ; |
| } |
| else |
| { |
| $(variable) on $(targets) = $(value) ; |
| } |
| } |
| |
| rule get-target-variable ( target : variable ) |
| { |
| return [ on $(target) return $($(variable)) ] ; |
| } |
| |
| rule import-rules-from-parent ( parent-module : this-module : user-rules ) |
| { |
| IMPORT $(parent-module) : $(user-rules) : $(this-module) : $(user-rules) ; |
| EXPORT $(this-module) : $(user-rules) ; |
| } |
| |
| rule mark-included ( targets * : includes * ) { |
| INCLUDES $(targets) : $(INCLUDES) ; |
| } |
| } |
| |
| PYTHON_IMPORT_RULE bootstrap : bootstrap : PyBB : bootstrap ; |
| modules.poke PyBB : root : [ NORMALIZE_PATH $(.bootstrap-file:DT)/.. ] ; |
| |
| module PyBB |
| { |
| bootstrap $(root) ; |
| } |
| |
| |
| #PYTHON_IMPORT_RULE boost.build.build_system : main : PyBB : main ; |
| |
| #module PyBB |
| #{ |
| # main ; |
| #} |
| |
| } |
| } |