[libvirt] [PATCH] Replace @SYSCONFDIR@ with ::SYSCONFDIR:: to avoid syntax-check warning

[Daniel P. Berrange]

On Wed, Jun 22, 2011 at 10:36:19AM -0600, Eric Blake wrote:
> On 06/22/2011 10:29 AM, Daniel P. Berrange wrote:
> > make syntax-check complains if any Makefile.am uses the old
> > style @FOO@ for replacement, rather than $(FOO).
> > 
> > Unfortunately the tools/Makefile.am intentionally uses the
> > @FOO@ syntax for generating some scripts. Currently these
> > are whitelisted in cfg.mk, but adding more to this whitelist
> > makes the entire check rather worthless.
> > 
> > This changes the tools/ directory to use ::FOO:: as the
> > replacement syntax for virt-pki-validate.in and
> > virt-xml-validate.in
> > 
> > * tools/Makefile.am, tools/virt-pki-validate.in
> >   tools/virt-xml-validate.in: Change @FOO@ to ::FOO::
> > * cfg.mk: Remove _makefile_at_at_check_exceptions
> 
> Hmm, I'm thinking we should go for a v2.
> 
> The @FOO@ notation in virt-xml-validate.in is pretty idiomatic, so
> instead of changing to ::FOO::, why don't we instead change
> tools/Makefile.am to not fall foul of the syntax check rule in the first
> place, with a well-placed regex bracket sequence?

Yep, that works for me

> 
> Smaller patches are always nicer :)
> 
> diff --git i/cfg.mk w/cfg.mk
> index 5d3ef26..c2230b8 100644
> --- i/cfg.mk
> +++ w/cfg.mk
> @@ -581,9 +581,6 @@ _autogen:
>  	$(srcdir)/autogen.sh
>  	./config.status
> 
> -# Exempt @...@ uses of these symbols.
> -_makefile_at_at_check_exceptions = ' && !/(SCHEMA|SYSCONF)DIR/'
> -
>  # regenerate HACKING as part of the syntax-check
>  syntax-check: $(top_srcdir)/HACKING
> 
> diff --git i/tools/Makefile.am w/tools/Makefile.am
> index 826674a..909c4b2 100644
> --- i/tools/Makefile.am
> +++ w/tools/Makefile.am
> @@ -23,14 +23,14 @@ dist_man1_MANS = virt-xml-validate.1
> virt-pki-validate.1 virsh.1
> 
> 
>  virt-xml-validate: virt-xml-validate.in Makefile
> -	$(AM_V_GEN)sed -e 's, at SCHEMADIR@,$(pkgdatadir)/schemas,' < $< > $@ \
> +	$(AM_V_GEN)sed -e 's,[@]SCHEMADIR@,$(pkgdatadir)/schemas,' < $< > $@ \
>  	    || (rm $@ && exit 1) && chmod +x $@
> 
>  virt-xml-validate.1: virt-xml-validate.in
>  	$(AM_V_GEN)$(POD2MAN) $< $(srcdir)/$@
> 
>  virt-pki-validate: virt-pki-validate.in Makefile
> -	$(AM_V_GEN)sed -e 's, at SYSCONFDIR@,$(sysconfdir),' < $< > $@ \
> +	$(AM_V_GEN)sed -e 's,[@]SYSCONFDIR@,$(sysconfdir),' < $< > $@ \
>  	    || (rm $@ && exit 1) && chmod +x $@
> 
>  virt-pki-validate.1: virt-pki-validate.in


ACK


Daniel
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