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<screen xmlns="http://www.scons.org/dbxsd/v1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">% <userinput>scons -Q hello</userinput>
cc -o version.o -c version.c
cc -o hello.o -c hello.c
cc -o hello version.o hello.o
% <userinput>sleep 1</userinput>
% <userinput>scons -Q hello</userinput>
cc -o version.o -c version.c
scons: `hello' is up to date.
% <userinput>sleep 1</userinput>
% [CHANGE THE CONTENTS OF hello.c]
% <userinput>scons -Q hello</userinput>
cc -o version.o -c version.c
cc -o hello.o -c hello.c
cc -o hello version.o hello.o
% <userinput>sleep 1</userinput>
% <userinput>scons -Q hello</userinput>
cc -o version.o -c version.c
scons: `hello' is up to date.
</screen>
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