Compiles the bcf_reader extension from source using the package's htslib. Source files are copied to the build directory first.
Examples
if (FALSE) { # \dontrun{
# Build in temp directory
ext_path <- bcf_reader_build(tempdir())
# Build in a specific location
ext_path <- bcf_reader_build("/tmp/bcf_reader")
# Force rebuild
ext_path <- bcf_reader_build("/tmp/bcf_reader", force = TRUE)
} # }