Command explanations
mv ../gpc231/gpc.* external/gpc: Copy the gpc files to the appropriate location.
--with-lang=ALL: Make install sets for all available languages.
./bootstrap: Create packages required to bootstrap the build.
dmake: Compile the package.
sed -e "s:^oo_home=...: Remove version specific
installation directory
for appl in swriter scalc sdraw simpress smath soffice;
do ...: Create links so that the package can be started from the command line without changes to the existing path.