Rakefile: make header dependency optional
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Rakefile
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Rakefile
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@ -143,7 +143,7 @@ task :doc => ["Doxyfile", "README.md"] do |t|
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end
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desc "compile source into object"
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rule '.o' => ['.c', '.h', "#{LIBOPENCM3_LIB}/lib#{STM32F1_LIB}.a"] do |t|
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rule '.o' => ['.c', proc{|f| File.file?(f.ext("h")) ? f.ext("h") : []}, "#{LIBOPENCM3_LIB}/lib#{STM32F1_LIB}.a"] do |t|
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sh "#{CC} #{cflags} #{archflags} -o #{t.name} -c #{t.prerequisites[0]}"
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end
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