[libvirt] [PATCH] util: remove unneeded #include in virrandom.c

[Jim Meyering]

Eric Blake wrote:

> On 03/01/2012 09:53 AM, Daniel P. Berrange wrote:
>> On Thu, Mar 01, 2012 at 11:43:04AM -0500, Laine Stump wrote:
>>> Commit 7c90026 added #include "conf/domain_conf.h" to
>>> util/virrandom.c. Fortunately it didn't actually use anything from
>>> domain_conf.h, since as far as I'm aware, files in util aren't allowed
>>> to reference anything in conf (although the opposite is allowed). So
>>> this #include is unnecessary.
>>
>> That is correct.  util/ must be self-contained
>
> Guess what - that sounds like a great syntax rule to write, so we don't
> slip up in the future.  Give me a few minutes, to see what I can come up
> with.  Any other directories that should be avoiding particular includes?

I noticed Laine's message, admired his control and wrote this,
came back to reply and found your message.

Laine, you're welcome to merge this into your commit.

diff --git a/cfg.mk b/cfg.mk
index ac6c527..ca6fe65 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -624,6 +624,13 @@ sc_prohibit_gettext_markup:
 	halt='do not mark these strings for translation'		\
 	  $(_sc_search_regexp)

+# One must not include conf/ headers from src/util/.
+sc_prohibit_conf_inclusion_from_util:
+	@in_vc_files='^src/util/'					\
+	prohibit='^# *include "conf/'					\
+	halt='do not include conf/*.h from src/util/*'			\
+	  $(_sc_search_regexp)
+
 # When converting an enum to a string, make sure that we track any new
 # elements added to the enum by using a _LAST marker.
 sc_require_enum_last_marker: