[oe-commits] [bitbake] 02/03: bitbake-user-manual: Added BBMULTICONFIG support

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commit 836f994ec530ba82c935cb41e006d1f128885dc2
Author: Scott Rifenbark <srifenbark at gmail.com>
AuthorDate: Wed Sep 5 09:31:24 2018 -0700

    bitbake-user-manual: Added BBMULTICONFIG support
    
    The BBMULTICONFIG variable is a variable used for BitBake and was
    not documented in the BitBake Manual glossary.  I added the
    definition.  I also added the variable to the example in the section
    describing how to execute builds for multiple configurations.
    
    Signed-off-by: Scott Rifenbark <srifenbark at gmail.com>
---
 .../bitbake-user-manual-intro.xml                  | 26 +++++++++++----
 .../bitbake-user-manual-ref-variables.xml          | 39 ++++++++++++++++++++++
 2 files changed, 58 insertions(+), 7 deletions(-)

diff --git a/doc/bitbake-user-manual/bitbake-user-manual-intro.xml b/doc/bitbake-user-manual/bitbake-user-manual-intro.xml
index 1dbf141..47c8d5d 100644
--- a/doc/bitbake-user-manual/bitbake-user-manual-intro.xml
+++ b/doc/bitbake-user-manual/bitbake-user-manual-intro.xml
@@ -769,11 +769,23 @@
 
                 <para>
                     Aside from separate configuration files for each
-                    target, you have to enable BitBake to perform multiple
-                    configuration builds by enabling it in the local
+                    target, you must also enable BitBake to perform multiple
+                    configuration builds.
+                    Enabling is accomplished by setting the
+                    <link linkend='var-BBMULTICONFIG'><filename>BBMULTICONFIG</filename></link>
+                    variable in the <filename>local.conf</filename>
                     configuration file.
-                    Enabling is accomplished through a variable specific
-                    to the build environment.
+                    As an example, suppose you had configuration files
+                    for <filename>target1</filename> and
+                    <filename>target2</filename> defined in the build
+                    directory.
+                    The following statement in the
+                    <filename>local.conf</filename> file both enables
+                    BitBake to perform multiple configuration builds and
+                    specifies the two multiconfigs:
+                    <literallayout class='monospaced'>
+     BBMULTICONFIG = "target1 target2"
+                    </literallayout>
                 </para>
 
                 <para>
@@ -785,10 +797,10 @@
      $ bitbake [multiconfig:<replaceable>multiconfigname</replaceable>:]<replaceable>target</replaceable> [[[multiconfig:<replaceable>multiconfigname</replaceable>:]<replaceable>target</replaceable>] ... ]
                     </literallayout>
                     Here is an example for two multiconfigs:
-                    <filename>Target_1</filename> and
-                    <filename>Target_2</filename>:
+                    <filename>target1</filename> and
+                    <filename>target2</filename>:
                     <literallayout class='monospaced'>
-     $ bitbake multiconfig:Target_1:<replaceable>target</replaceable> multiconfig:Target_2:<replaceable>target</replaceable>
+     $ bitbake multiconfig:target1:<replaceable>target</replaceable> multiconfig:target2:<replaceable>target</replaceable>
                     </literallayout>
                 </para>
             </section>
diff --git a/doc/bitbake-user-manual/bitbake-user-manual-ref-variables.xml b/doc/bitbake-user-manual/bitbake-user-manual-ref-variables.xml
index 0313359..b5a7936 100644
--- a/doc/bitbake-user-manual/bitbake-user-manual-ref-variables.xml
+++ b/doc/bitbake-user-manual/bitbake-user-manual-ref-variables.xml
@@ -1205,6 +1205,45 @@
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-BBMULTICONFIG'><glossterm>BBMULTICONFIG</glossterm>
+            <info>
+                BBMULTICONFIG[doc] = "Enables BitBake to perform multiple configuration builds and lists each separate configuration (multiconfig)."
+            </info>
+            <glossdef>
+                <para role="glossdeffirst">
+<!--                <para role="glossdeffirst"><imagedata fileref="figures/define-generic.png" /> -->
+                    Enables BitBake to perform multiple configuration builds
+                    and lists each separate configuration (multiconfig).
+                    You can use this variable to cause BitBake to build
+                    multiple targets where each target has a separate
+                    configuration.
+                    Define <filename>BBMULTICONFIG</filename> in your
+                    <filename>conf/local.conf</filename> configuration file.
+                </para>
+
+                <para>
+                    As an example, the following line specifies three
+                    multiconfigs, each having a separate configuration file:
+                    <literallayout class='monospaced'>
+     BBMULTIFONFIG = "configA configB configC"
+                    </literallayout>
+                    Each configuration file you use must reside in the
+                    build directory within a directory named
+                    <filename>conf/multiconfig</filename> (e.g.
+                    <replaceable>build_directory</replaceable><filename>/conf/multiconfig/configA.conf</filename>).
+                </para>
+
+                <para>
+                    For information on how to use
+                    <filename>BBMULTICONFIG</filename> in an environment that
+                    supports building targets with multiple configurations,
+                    see the
+                    "<link linkend='executing-a-multiple-configuration-build'>Executing a Multiple Configuration Build</link>"
+                    section.
+                </para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-BBPATH'><glossterm>BBPATH</glossterm>
             <glossdef>
                 <para>

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