bitbake: bitbake-user-manual-metadata.xml: Edits to some operators

Added wording to clearly state immediate or delayed application
for various operators.

Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
(Bitbake rev: 877c4c9a466e26953abd6fe416c2cba092607dac)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2014-07-09 14:59:47 +03:00
committed by Richard Purdie
parent af4f1f4a98
commit e83032ce0a

View File

@@ -159,6 +159,10 @@
using the "+=" and "=+" operators.
These operators insert a space between the current
value and prepended or appended value.
</para>
<para>
These operators take immediate effect during parsing.
Here are some examples:
<literallayout class='monospaced'>
B = "bval"
@@ -178,6 +182,10 @@
<para>
If you want to append or prepend values without an
inserted space, use the ".=" and "=." operators.
</para>
<para>
These operators take immediate effect during parsing.
Here are some examples:
<literallayout class='monospaced'>
B = "bval"
@@ -198,6 +206,13 @@
You can also append and prepend a variable's value
using an override style syntax.
When you use this syntax, no spaces are inserted.
</para>
<para>
These operators differ from the ":=", ".=", "=.", "+=", and "=+"
operators in that their effects are deferred
until after parsing completes rather than being immediately
applied.
Here are some examples:
<literallayout class='monospaced'>
B = "bval"
@@ -217,13 +232,6 @@
override syntax.
</note>
</para>
<para>
The operators "_append" and "_prepend" differ from
the operators ".=" and "=." in that they are deferred
until after parsing completes rather than being immediately
applied.
</para>
</section>
<section id='removing-override-style-syntax'>