Linux mint 20.3
gnuradio 3.10
compiling from source
tried both git master and maint-3.10 repositories.
Compile fail on make with this error ..
warning: failed to load external entity "/home/s/Downloads/a/gnuradio/gnuradio-maint-3.10/gr-trellis/docs/docbookx.dtd"
validity error : Could not load the external subset "docbookx.dtd"
Document /home/s/Downloads/a/gnuradio/gnuradio-maint-3.10/gr-trellis/docs/gr-trellis.xml does not validate
and later
make[2]: *** [gr-trellis/docs/CMakeFiles/gr_trellis_html.dir/build.make:61: gr-trellis/docs/gr-trellis.html] Error 13
make[1]: *** [CMakeFiles/Makefile2:8002: gr-trellis/docs/CMakeFiles/gr_trellis_html.dir/all] Error 2
I tried to look in the gr-trellis directory and id the problem but I am not familiar
with the doc style.
I have installed all the documentation dependencies (ascii2doc etc)
What am I doing incorrectly?
thanks