On Wed, Apr 03, 2019 at 08:24:41AM +0200, Mikhail Morfikov wrote: > ... > Making all in doc > make[3]: Entering directory '/build/nftables-0.9.0~git20190326/doc' > a2x --doctype manpage --format manpage -D . nft.txt > a2x --doctype manpage --format manpage -D . libnftables-json.adoc > a2x: ERROR: "xmllint" --nonet --noout --valid "/build/nftables-0.9.0~git20190326/doc/libnftables-json.xml" returned non-zero exit status 4 > make[3]: *** [Makefile:651: libnftables-json.5] Error 1 > make[3]: *** Waiting for unfinished jobs.... > a2x: ERROR: "xmllint" --nonet --noout --valid "/build/nftables-0.9.0~git20190326/doc/nft.xml" returned non-zero exit status 4 > make[3]: *** [Makefile:645: nft.8] Error 1 > make[3]: Leaving directory '/build/nftables-0.9.0~git20190326/doc' > make[2]: *** [Makefile:484: all-recursive] Error 1 > make[2]: Leaving directory '/build/nftables-0.9.0~git20190326' > make[1]: *** [Makefile:393: all] Error 2 > make[1]: Leaving directory '/build/nftables-0.9.0~git20190326' > dh_auto_build: make -j2 returned exit code 2 > make: *** [debian/rules:14: build] Error 2 > dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2 > You need to install xmllint. It is part of the libxml2 package. Cheers ... Duncan.