Next: Preprocessor features, Up: Invoking m4
Several options control the overall operation of m4
:
--help
m4
without reading any input files or performing any other
actions.
--version
m4
without reading any input files or
performing any other actions.
-E
--fatal-warnings
m4
once the first warning has been
issued, considering all of them to be fatal.
-i
--interactive
-e
m4
interactive. This means that all
output will be unbuffered, and interrupts will be ignored. The
spelling -e exists for compatibility with other m4
implementations, and issues a warning because it may be withdrawn in a
future version of GNU M4.
-P
--prefix-builtins
-Q
--quiet
--silent
-W
REGEXP--word-regexp=
REGEXPm4
implementations (see Changeword).