<div dir="ltr">Hello everyone! I am Rutuja and I want to work on libreoffice online android app in gsoc 2020. I have built libreoffice core and online on ununtu 18.04 but I am not able to build libreoffice-android. I am getting this error when I run make command 'configure: error: *** expat is required. or try to use --enable-libxml2 /home/rutuja/libreoffice/external/fontconfig/ExternalProject_fontconfig.mk:22: recipe for target '/home/rutuja/libreoffice/workdir/ExternalProject/fontconfig/build' failed make[1]: *** [/home/rutuja/libreoffice/workdir/ExternalProject/fontconfig/build] Error 1 make[1]: *** Waiting for unfinished jobs.... Makefile:282: recipe for target 'build' failed make: *** [build] Error' I have installed libexpat as well as libexpat-dev package using 'sudo apt-get install libxml2 libxml2-dev' when i try to install expat it shows '[sudo] password for rutuja: Reading package lists... Done Building dependency tree Reading state information... Done expat is already the newest version (2.2.5-3ubuntu0.2). The following packages were automatically installed and are no longer required: linux-headers-4.15.0-72 linux-headers-4.15.0-72-generic linux-image-4.15.0-72-generic linux-modules-4.15.0-72-generic linux-modules-extra-4.15.0-72-generic Use 'sudo apt autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 330 not upgraded. ' I tried running ./configure --prefix=/usr but I get this error /home/rutuja/libreoffice/external/liblangtag/ExternalPackage_liblangtag.mk:17: *** file /home/rutuja/libreoffice/workdir/UnpackedTarball/liblangtag/liblangtag/.libs/liblangtag-lo.so.1.4.1 does not exist in the tarball. Stop. Makefile:282: recipe for target 'build' failed make: *** [build] Error 2now How shall I proceed now?? I am following <a href="https://wiki.documentfoundation.org/Development/BuildingForAndroid">https://wiki.documentfoundation.org/Development/BuildingForAndroid</a> this page. <div>Thank you</div></div>