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122 行
2.6 KiB
122 行
2.6 KiB
.TH M4 1 "May 2003" "GNU m4 1.4o" "GNU User's Manual" |
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.SH NAME |
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m4 \- short documentation for m4 1.4o |
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.SH SYNOPSIS |
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.B m4 |
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[\fIOPTION\fR]...\fI \fR[\fIFILE\fR]...\fI\fR |
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.SH DESCRITION |
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.PP |
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Mandatory or optional arguments to long options are mandatory or optional |
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for short options too. |
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.SS "Operation modes:" |
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.TP |
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\fB\-\-help\fR |
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display this help and exit |
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.TP |
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\fB\-\-version\fR |
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output version information and exit |
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.TP |
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\fB\-e\fR, \fB\-\-interactive\fR |
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unbuffer output, ignore interrupts |
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.TP |
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\fB\-E\fR, \fB\-\-fatal\-warnings\fR |
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stop execution after first warning |
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.TP |
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\fB\-Q\fR, \fB\-\-quiet\fR, \fB\-\-silent\fR |
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suppress some warnings for builtins |
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.TP |
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\fB\-P\fR, \fB\-\-prefix\-builtins\fR |
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force a `m4_' prefix to all builtins |
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.SS "Preprocessor features:" |
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.TP |
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\fB\-I\fR, \fB\-\-include\fR=\fIDIRECTORY\fR |
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search this directory second for includes |
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.TP |
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\fB\-D\fR, \fB\-\-define=NAME\fR[=\fIVALUE\fR] |
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enter NAME has having VALUE, or empty |
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.TP |
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\fB\-U\fR, \fB\-\-undefine\fR=\fINAME\fR |
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delete builtin NAME |
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.TP |
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\fB\-s\fR, \fB\-\-synclines\fR |
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generate `#line NO "FILE"' lines |
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.SS "Limits control:" |
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.TP |
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\fB\-G\fR, \fB\-\-traditional\fR |
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suppress all GNU extensions |
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.TP |
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\fB\-H\fR, \fB\-\-hashsize\fR=\fIPRIME\fR |
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set symbol lookup hash table size |
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.TP |
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\fB\-L\fR, \fB\-\-nesting\-limit\fR=\fINUMBER\fR |
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change artificial nesting limit |
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.SS "Frozen state files:" |
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.TP |
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\fB\-F\fR, \fB\-\-freeze\-state\fR=\fIFILE\fR |
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produce a frozen state on FILE at end |
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.TP |
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\fB\-R\fR, \fB\-\-reload\-state\fR=\fIFILE\fR |
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reload a frozen state from FILE at start |
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.SS "Debugging:" |
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.TP |
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\fB\-d\fR, \fB\-\-debug\fR=\fI[FLAGS]\fR |
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set debug level (no FLAGS implies `aeq') |
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.TP |
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\fB\-t\fR, \fB\-\-trace\fR=\fINAME\fR |
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trace NAME when it will be defined |
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.TP |
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\fB\-l\fR, \fB\-\-arglength\fR=\fINUM\fR |
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restrict macro tracing size |
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.TP |
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\fB\-o\fR, \fB\-\-error\-output\fR=\fIFILE\fR |
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redirect debug and trace output |
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.SS "FLAGS is any of:" |
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.TP |
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t |
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trace for all macro calls, not only traceon'ed |
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.TP |
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a |
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show actual arguments |
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.TP |
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e |
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show expansion |
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.TP |
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q |
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quote values as necessary, with a or e flag |
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.TP |
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c |
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show before collect, after collect and after call |
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.TP |
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x |
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add a unique macro call id, useful with c flag |
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.TP |
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f |
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say current input file name |
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.TP |
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l |
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say current input line number |
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.TP |
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p |
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show results of path searches |
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.TP |
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i |
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show changes in input files |
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.TP |
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V |
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shorthand for all of the above flags |
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.PP |
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If no FILE or if FILE is `-', standard input is read. |
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.SH BUGS |
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Report bugs to <bug-m4@gnu.org>. |
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.SH SEE ALSO |
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The full documentation for |
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.B m4 |
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is maintained as a Texinfo manual. If the |
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.B info |
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and |
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.B m4 |
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programs are properly installed at your site, the command |
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.IP |
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.B info m4 |
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.PP |
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should allow you to access the manual as an hypertext.
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