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Diffstat (limited to 'jam-files/boost-build/tools/pch.py')
-rw-r--r-- | jam-files/boost-build/tools/pch.py | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/jam-files/boost-build/tools/pch.py b/jam-files/boost-build/tools/pch.py deleted file mode 100644 index 21d3db09..00000000 --- a/jam-files/boost-build/tools/pch.py +++ /dev/null @@ -1,83 +0,0 @@ -# Status: Being ported by Steven Watanabe -# Base revision: 47077 -# -# Copyright (c) 2005 Reece H. Dunn. -# Copyright 2006 Ilya Sokolov -# Copyright (c) 2008 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) - -##### Using Precompiled Headers (Quick Guide) ##### -# -# Make precompiled mypch.hpp: -# -# import pch ; -# -# cpp-pch mypch -# : # sources -# mypch.hpp -# : # requiremnts -# <toolset>msvc:<source>mypch.cpp -# ; -# -# Add cpp-pch to sources: -# -# exe hello -# : main.cpp hello.cpp mypch -# ; - -from b2.build import type, feature, generators - -type.register('PCH', ['pch']) -type.register('C_PCH', [], 'PCH') -type.register('CPP_PCH', [], 'PCH') - -# Control precompiled header (PCH) generation. -feature.feature('pch', - ['on', 'off'], - ['propagated']) - -feature.feature('pch-header', [], ['free', 'dependency']) -feature.feature('pch-file', [], ['free', 'dependency']) - -class PchGenerator(generators.Generator): - """ - Base PCH generator. The 'run' method has the logic to prevent this generator - from being run unless it's being used for a top-level PCH target. - """ - def action_class(self): - return 'compile-action' - - def run(self, project, name, prop_set, sources): - if not name: - # Unless this generator is invoked as the top-most generator for a - # main target, fail. This allows using 'H' type as input type for - # this generator, while preventing Boost.Build to try this generator - # when not explicitly asked for. - # - # One bad example is msvc, where pch generator produces both PCH - # target and OBJ target, so if there's any header generated (like by - # bison, or by msidl), we'd try to use pch generator to get OBJ from - # that H, which is completely wrong. By restricting this generator - # only to pch main target, such problem is solved. - pass - else: - r = self.run_pch(project, name, - prop_set.add_raw('<define>BOOST_BUILD_PCH_ENABLED'), - sources) - return generators.add_usage_requirements( - r, ['<define>BOOST_BUILD_PCH_ENABLED']) - - # This rule must be overridden by the derived classes. - def run_pch(self, project, name, prop_set, sources): - pass - -#FIXME: dummy-generator in builtins.jam needs to be ported. -# NOTE: requirements are empty, default pch generator can be applied when -# pch=off. -###generators.register( -### [ new dummy-generator pch.default-c-pch-generator : : C_PCH ] ; -###generators.register -### [ new dummy-generator pch.default-cpp-pch-generator : : CPP_PCH ] ; |