Output from running autoreconf:
  configure.ac:30: warning: AC_OUTPUT should be used without arguments.
  configure.ac:30: You should run autoupdate.
Error(s) in re-building vignettes:
  ...
--- re-building 'getting-started.Rmd' using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building 'getting-started.Rmd'

SUMMARY: processing the following file failed:
  'getting-started.Rmd'

Error: Vignette re-building failed.
Execution halted
Output from running autoreconf:
  configure.ac:30: warning: AC_OUTPUT should be used without arguments.
  configure.ac:30: You should run autoupdate.
Error(s) in re-building vignettes:
  ...
--- re-building ‘getting-started.Rmd’ using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette ‘getting-started.Rmd’ failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building ‘getting-started.Rmd’

SUMMARY: processing the following file failed:
  ‘getting-started.Rmd’

Error: Vignette re-building failed.
Execution halted
Output from running autoreconf:
  configure.ac:30: warning: AC_OUTPUT should be used without arguments.
  configure.ac:30: You should run autoupdate.
  configure.ac:30: warning: AC_OUTPUT should be used without arguments.
  configure.ac:30: You should run autoupdate.
File ‘rnetcarto/libs/rnetcarto.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Error(s) in re-building vignettes:
--- re-building ‘getting-started.Rmd’ using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building ‘getting-started.Rmd’

SUMMARY: processing the following file failed:
  ‘getting-started.Rmd’

Error: Vignette re-building failed.
Execution halted
Output from running autoreconf:
  configure.ac:30: warning: AC_OUTPUT should be used without arguments.
  configure.ac:30: You should run autoupdate.
  configure.ac:30: warning: AC_OUTPUT should be used without arguments.
  configure.ac:30: You should run autoupdate.
File ‘rnetcarto/libs/rnetcarto.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Error(s) in re-building vignettes:
--- re-building ‘getting-started.Rmd’ using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building ‘getting-started.Rmd’

SUMMARY: processing the following file failed:
  ‘getting-started.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'getting-started.Rmd' using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building 'getting-started.Rmd'

SUMMARY: processing the following file failed:
  'getting-started.Rmd'

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'getting-started.Rmd' using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building 'getting-started.Rmd'

SUMMARY: processing the following file failed:
  'getting-started.Rmd'

Error: Vignette re-building failed.
Execution halted
Output from running autoreconf:
  configure.ac:30: warning: AC_OUTPUT should be used without arguments.
  configure.ac:30: You should run autoupdate.
Error(s) in re-building vignettes:
  ...
--- re-building ‘getting-started.Rmd’ using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building ‘getting-started.Rmd’

SUMMARY: processing the following file failed:
  ‘getting-started.Rmd’

Error: Vignette re-building failed.
Execution halted
Output from running autoreconf:
  configure.ac:30: warning: AC_OUTPUT should be used without arguments.
  configure.ac:30: You should run autoupdate.
Error(s) in re-building vignettes:
  ...
--- re-building ‘getting-started.Rmd’ using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building ‘getting-started.Rmd’

SUMMARY: processing the following file failed:
  ‘getting-started.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'getting-started.Rmd' using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building 'getting-started.Rmd'

SUMMARY: processing the following file failed:
  'getting-started.Rmd'

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'getting-started.Rmd' using rmarkdown
Quitting from lines 146-167 (getting-started.Rmd) 
Error: processing vignette 'getting-started.Rmd' failed with diagnostics:
attempt to use zero-length variable name
--- failed re-building 'getting-started.Rmd'

SUMMARY: processing the following file failed:
  'getting-started.Rmd'

Error: Vignette re-building failed.
Execution halted