31 lines
631 B
Ruby
31 lines
631 B
Ruby
class MySource < Rscons::Builder
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def run(target, sources, cache, env, vars)
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File.open(target, 'w') do |fh|
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fh.puts <<EOF
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#define THE_VALUE #{env.expand_varref("${the_value}")}
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EOF
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end
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target
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end
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end
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build do
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e1 = Rscons::Environment.new do |env|
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env.add_builder(MySource.new)
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env["one"] = "5"
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env[:cfg] = {val: "9"}
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env["two"] = lambda do |args|
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args[:env][:cfg][:val]
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end
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env["the_value"] = lambda do |args|
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"${one}${two}78"
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end
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end
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e1.clone do |env|
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env[:cfg][:val] = "6"
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env.MySource('inc.h', [])
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env.Program('program.exe', Dir['*.c'])
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end
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end
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