[PATCH] libctf: merge doc subdir up a level

[Mike Frysinger]

On 01 Dec 2021 15:16, Nick Clifton wrote:
> > This avoids a recursive make into the doc subdir and speeds up the
> > build slightly.  It also allows for more parallelism.
> 
> Will this have the same problems as the change for the bfd directory's documentation ?

binutil's troubles centered around the man page generation and some of
the generated texinfo fragments.  libctf doesn't do any of that, so it
shouldn't run into the same issues.

i'll add a dirstamp dep for the html dep too though.
-mike

--- a/libctf/doc/local.mk
+++ b/libctf/doc/local.mk
@@ -26,6 +26,6 @@ DISTCLEANFILES += texput.log
 MAINTAINERCLEANFILES += %D%/ctf-spec.info
 
 html-local: %D%/ctf-spec/index.html
-%D%/ctf-spec/index.html: %D%/ctf-spec.texi
+%D%/ctf-spec/index.html: %D%/ctf-spec.texi %D%/$(am__dirstamp)
 	$(AM_V_GEN)$(MAKEINFOHTML) $(AM_MAKEINFOHTMLFLAGS) $(MAKEINFOFLAGS) \
 	  --split=node -I$(srcdir) --output %D%/ctf-spec $(srcdir)/%D%/ctf-spec.texi
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