libhidapi failed to installed - am__fastdepOBJC does not appear in AM_CONDITIONAL #216
go into openastro-master/ext/libhidapi/
under line "AM_CONDITIONAL([BUILD_TESTGUI], [test "x$testgui_enabled" != "xno"])"
add AM_CONDITIONAL([am__fastdepOBJC], false)
and then proceed
and run sudo libtoolize
and run sudo aclocal
and run sudo autoheader
and then sudo autorecong -fi
and then sudo ./bootstrap
and then sudo ./configure
and then sudo make
and then sudo make install
ps. you may need to run sudo apt install autoconf automake build-base libtool nasm pkgconf