svn commit: r46888 - head/en_US.ISO8859-1/books/porters-handbook/makefiles

[Mathieu Arnold]

Author: mat
Date: Mon Jun 29 07:50:06 2015
New Revision: 46888
URL: https://svnweb.freebsd.org/changeset/doc/46888

Log:
  Do *not* tell people to use := in depends.

Modified:
  head/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml

Modified: head/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
==============================================================================
--- head/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml	Sun Jun 28 12:52:10 2015	(r46887)
+++ head/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml	Mon Jun 29 07:50:06 2015	(r46888)
@@ -3115,10 +3115,15 @@ xmlcatmgr:${PORTSDIR}/textproc/xmlcatmgr
 	<package role="port">devel/gmake</package> to
 	<varname>BUILD_DEPENDS</varname>.  To prevent such additional
 	dependencies from polluting <varname>RUN_DEPENDS</varname>,
-	take care to assign with expansion, that is, expand the value
-	before assigning it to the variable:</para>
-
-      <programlisting>RUN_DEPENDS:=	${BUILD_DEPENDS}</programlisting>
+	create another variable with the current content of
+	<varname>BUILD_DEPENDS</varname> and assign it to both
+	<varname>BUILD_DEPENDS</varname> and
+	<varname>RUN_DEPENDS</varname>:</para>
+
+      <programlisting>MY_DEPENDS=	some:${PORTSDIR}/devel/some \
+		other:${PORTSDIR}/lang/other
+BUILD_DEPENDS=	${MY_DEPENDS}
+RUN_DEPENDS=	${MY_DEPENDS}</programlisting>
     </sect2>
 
     <sect2 xml:id="makefile-build_depends">