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

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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
1 changed files with 15 additions and 7 deletions
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bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml
+15 -7
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@@ -159,6 +159,10 @@
using the "+=" and "=+" operators. using the "+=" and "=+" operators.
These operators insert a space between the current These operators insert a space between the current
value and prepended or appended value. value and prepended or appended value.
</para>
<para>
These operators take immediate effect during parsing.
Here are some examples: Here are some examples:
<literallayout class='monospaced'> <literallayout class='monospaced'>
B = "bval" B = "bval"
@@ -178,6 +182,10 @@
<para> <para>
If you want to append or prepend values without an If you want to append or prepend values without an
inserted space, use the ".=" and "=." operators. inserted space, use the ".=" and "=." operators.
</para>
<para>
These operators take immediate effect during parsing.
Here are some examples: Here are some examples:
<literallayout class='monospaced'> <literallayout class='monospaced'>
B = "bval" B = "bval"
@@ -198,6 +206,13 @@
You can also append and prepend a variable's value You can also append and prepend a variable's value
using an override style syntax. using an override style syntax.
When you use this syntax, no spaces are inserted. 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: Here are some examples:
<literallayout class='monospaced'> <literallayout class='monospaced'>
B = "bval" B = "bval"
@@ -217,13 +232,6 @@
override syntax. override syntax.
</note> </note>
</para> </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>
<section id='removing-override-style-syntax'> <section id='removing-override-style-syntax'>