diff options
Diffstat (limited to 'usr.bin/m4/m4.1')
| -rw-r--r-- | usr.bin/m4/m4.1 | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/usr.bin/m4/m4.1 b/usr.bin/m4/m4.1 index 38868b54e706..7e237a5dabf8 100644 --- a/usr.bin/m4/m4.1 +++ b/usr.bin/m4/m4.1 @@ -1,7 +1,7 @@ .\" .\" @(#) $FreeBSD$ .\" -.Dd January 26, 1993 +.Dd April 17, 2002 .Dt M4 1 .Os .Sh NAME @@ -10,9 +10,9 @@ .Sh SYNOPSIS .Nm .Oo -.Fl D Ns Ar name Ns Op Ar =value +.Fl D Ar name Ns Op Ar =value .Oc -.Op Fl U Ns Ar name +.Op Fl U Ar name .Op Ar filename \|.\|.\|. .Sh DESCRIPTION @@ -41,13 +41,18 @@ the quote characters with the changequote built-in macro. .Pp The options are as follows: .Bl -tag -width "-Dname[=value]xxx" -.It Fl D Ns Ar name Ns Oo +.It Fl s +Emit +.Em #line +directives for +.Xr cpp 1 . +.It Fl D Ar name Ns Oo .Ar =value .Oc Define the symbol .Ar name to have some value (or NULL). -.It Fl "U" Ns Ar "name" +.It Fl "U" Ar "name" Undefine the symbol .Ar name . .El @@ -177,7 +182,35 @@ Flushes the named output queues (or all queues if no arguments). .It unix A pre-defined macro for testing the OS platform. .El +.Sh DIAGNOSTICS +.Ex -std +.Pp +The exit status can be specified by the input file using the +.Em m4exit +macro. +.Sh "SEE ALSO" +.Xr cpp 1 +.Sh STANDARDS +The +.Nm +utility is compatible with the +.St -p1003.1-2001 +specification with the exception of the +.Em traceon +and +.Em traceoff +built-in macros, which are not implemented. +.Pp +The +.Em expr , +.Em paste , +.Em spaste +and +.Em unix +built-in macros are extensions to the standard. .Sh AUTHORS .An Ozan Yigit Aq oz@sis.yorku.ca and .An Richard A. O'Keefe Aq ok@goanna.cs.rmit.OZ.AU +.Sh BUGS +The tracing macros are not implemented. |