Cannot start LO with --disable-gui build

[Alex Kom]

I'm trying to build LO 6.1.6 (gcc 4.9 armv7hl) with no GUI. I need LO
functionality of parsing different files (including text, tables and
presentations) and rendering it to png. So, I've configured build

./autogen.sh --without-help --without-myspell-dicts --disable-gtk3
--disable-gtk --disable-gui --disable-kde4 --disable-dbus
--without-doxygen --disable-report-builder --disable-coinmp
--disable-odk --disable-cups --disable-lotuswordpro  --without-java
--without-krb5 --disable-scripting-beanshell
--disable-scripting-javascript --disable-sdremote
--disable-postgresql-sdbc --without-fonts --with-parallelism=4
--with-system-boost --with-system-nss --disable-firebird-sdbc
--with-system-hunspell --with-system-libatomic_ops
--with-system-librevenge --with-system-epoxy --with-system-libmwaw
--with-system-icu --with-system-graphite --with-system-harfbuzz
--with-system-libpng --with-system-cairo --with-galleries=no
--enable-cairo-canvas --with-system-zlib --without-junit

then make it, but when I'm trying to run ./soffice.bin --convert-to pdf
test.doc or use lok::lok_cpp_init from LibreOfficeKit, an error occures:

*LibreOffice - dialog 'LibreOfficeDev 6.1 - Fatal Error': 'The application
cannot be started.*

Little debugging through code gave me a clue, that it's might be unability
to initialize UNO or just setting wrong PATH\LD_LIBRARY_PATH\etc.

So, what am I doing wrong? (except using --disable-gui, I've seen, it's
experimental)
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