Generating the cdt tarball
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% mkdir -p temp/home && cd temp
% cvs -d :pserver:anonymous@dev.eclipse.org:/home/tools co \
-r CDT_3_0_1 org.eclipse.cdt-releng/org.eclipse.cdt.releng
% cd org.eclipse.cdt-releng/org.eclipse.cdt.releng
% sed --in-place 's/@cdtTag@/CDT_3_0_1/' maps/cdt.map
% sed --in-place s/3.1.0/3.1.2/ build.xml
% java -cp /usr/share/eclipse/startup.jar \
-Duser.home=../../home \
org.eclipse.core.launcher.Main \
-application org.eclipse.ant.core.antRunner \
-buildfile build.xml \
-DbaseLocation=/user/share/eclipse \
-DdontUnzip=true fetch
% cd .. && tar zcf eclipse-cdt-fetched-src-3.0.1.tar.gz org.eclipse.cdt.releng