The current source tarball uses CRLF line-ending (DOS Format). This causes problems during the compilation. Once you extract the tarball, convert the files to UNIX style line endings using . The configuration of Mozilla Thunderbird is very similar to and hence the options will not be discussed. Refer to the for explanations and additional configuration information. Compile and install Mozilla Thunderbird by running the following commands: export MOZILLA_OFFICIAL="1" && export BUILD_OFFICIAL="1" && export MOZ_THUNDERBIRD="1" && ./configure --prefix=/opt/thunderbird-&thunderbird-version; \ --enable-default-toolkit=gtk2 \ --with-x --with-system-zlib \ --with-system-jpeg --with-system-png --with-system-mng \ --enable-xft --enable-crypto \ --disable-accessibility \ --disable-tests --disable-debug \ --disable-logging --enable-reorder \ --enable-strip --disable-pedantic \ --enable-cpp-rtti --enable-extensions=all \ --disable-calendar && make && make install && ln -sf /opt/thunderbird-&thunderbird-version;/bin/thunderbird /usr/bin/MozillaThunderbird To enable multi-user operation, execute the following: cd /opt/thunderbird-&thunderbird-version;/lib/mozilla-* && export LD_LIBRARY_PATH="$PWD" && export MOZILLA_FIVE_HOME="$PWD" && ./regxpcom && ./regchrome && touch `find $PWD -name *.rdf`