Josh Holtrop
b882f8de99
The builder's #run method will be called repeatedly until it returns true or false. The Builder#wait_for method can be used to cause a builder to wait for a Thread, Command, or another Builder.
69 lines
2.3 KiB
Ruby
69 lines
2.3 KiB
Ruby
module Rscons
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module Builders
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# A default Rscons builder that knows how to link object files into an
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# executable program.
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class Program < Builder
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Rscons.application.default_varset.append(
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'OBJSUFFIX' => '.o',
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'PROGSUFFIX' => (Object.const_get("RUBY_PLATFORM") =~ /mingw|cygwin/ ? ".exe" : ""),
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'LD' => nil,
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'LIBSUFFIX' => '.a',
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'LDFLAGS' => [],
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'LIBPATH' => [],
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'LIBDIRPREFIX' => '-L',
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'LIBLINKPREFIX' => '-l',
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'LIBS' => [],
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'LDCMD' => ['${LD}', '-o', '${_TARGET}', '${LDFLAGS}', '${_SOURCES}', '${LIBDIRPREFIX}${LIBPATH}', '${LIBLINKPREFIX}${LIBS}']
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)
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# Create an instance of the Builder to build a target.
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#
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# @param options [Hash]
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# Options.
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# @option options [String] :target
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# Target file name.
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# @option options [Array<String>] :sources
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# Source file name(s).
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# @option options [Environment] :env
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# The Environment executing the builder.
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# @option options [Hash,VarSet] :vars
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# Extra construction variables.
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def initialize(options)
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super(options)
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unless File.basename(@target)["."]
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@target += @env.expand_varref("${PROGSUFFIX}", @vars)
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end
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suffixes = @env.expand_varref(["${OBJSUFFIX}", "${LIBSUFFIX}"], @vars)
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# Register builders to build each source to an object file or library.
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@objects = @env.register_builds(@target, @sources, suffixes, @vars)
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end
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# Run the builder to produce a build target.
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def run(options)
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if @command
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finalize_command(sources: @objects)
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true
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else
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ld = @env.expand_varref("${LD}", @vars)
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ld = if ld != ""
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ld
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elsif @sources.find {|s| s.end_with?(*@env.expand_varref("${DSUFFIX}", @vars))}
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"${DC}"
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elsif @sources.find {|s| s.end_with?(*@env.expand_varref("${CXXSUFFIX}", @vars))}
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"${CXX}"
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else
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"${CC}"
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end
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@vars["_TARGET"] = @target
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@vars["_SOURCES"] = @objects
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@vars["LD"] = ld
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command = @env.build_command("${LDCMD}", @vars)
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standard_command("LD #{@target}", command, sources: @objects)
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end
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end
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end
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end
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end
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