Command explanations
mv ../gpc231/gpc.* external/gpc : Copy the gpc files to the appropriate location.
--with-lang=ENUS : Compile for US English, you may set more languages or all to compile 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.