File mozconfig of Package betterbird
# General Settings ac_add_options --enable-application=comm/mail ac_add_options --enable-project=comm/mail ac_add_options --enable-official-branding ac_add_options --with-branding=comm/mail/branding/betterbird ac_add_options --enable-linker=lld ac_add_options --enable-release ac_add_options --disable-updater ac_add_options --disable-crashreporter ac_add_options --disable-warnings-as-errors # FIX: Build Stability (Bundled Libraries) # This prevents the "missing package" errors you saw on Debian ac_add_options --without-system-libevent ac_add_options --without-system-icu ac_add_options --without-system-nspr ac_add_options --without-system-nss ac_add_options --without-system-vpx ac_add_options --without-wasm-sandboxed-libraries # Speed & Optimization ac_add_options --disable-lto ac_add_options --disable-tests ac_add_options --disable-debug ac_add_options --disable-debug-symbols # UI & Platform ac_add_options --enable-default-toolkit=cairo-gtk3