Document -m option of CC backend.

p4raw-id: //depot/perlext/Compiler@29

diff --git a/NOTES b/NOTES
index 52910d2..c1ddbc6 100644 (file)
--- a/NOTES
+++ b/NOTES
@@ -46,6 +46,11 @@ CC backend invocation
                        foo which you initialise with $SIG{BAR} = "foo".
                        A better fix, though, is just to change it to
                        $SIG{BAR} = \&foo. You can have multiple -u options.
+       -mModulename    Instead of generating source for a runnable executable,
+                       generate source for an XSUB module. The
+                       boot_Modulename function (which DynaLoader can look
+                       for) does the appropriate initialisation and runs the
+                       main part of the Perl source that is being compiled.
        -D              Debug options (concat or separate flags like perl -D)
                r       Writes debugging output to STDERR just as it's about
                        to write to the program's runtime (otherwise writes
@@ -83,6 +88,9 @@ Example
        perl -MO=CC,-O2,-ofoo.c foo.pl
        perl cc_harness -o foo foo.c
 
+       perl -MO=CC,-mFoo,-oFoo.c Foo.pm
+       perl cc_harness -shared -c -o Foo.so Foo.c
+
 
 Bytecode backend invocation