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-rw-r--r--documentation/mega-manual/figures/analysis-for-package-splitting.pngbin58199 -> 67836 bytes
-rw-r--r--documentation/ref-manual/figures/analysis-for-package-splitting.pngbin58199 -> 67836 bytes
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diff --git a/documentation/ref-manual/technical-details.xml b/documentation/ref-manual/technical-details.xml
index 1b67ca7424..1171fec0a4 100644
--- a/documentation/ref-manual/technical-details.xml
+++ b/documentation/ref-manual/technical-details.xml
@@ -1130,38 +1130,49 @@
1130 <title>Package Splitting</title> 1130 <title>Package Splitting</title>
1131 1131
1132 <para> 1132 <para>
1133 After source code configured and compiled, BitBake analyzes 1133 After source code is configured and compiled, the
1134 the results and splits the output into package: 1134 OpenEmbedded build system analyzes
1135 the results and splits the output into packages:
1135 <imagedata fileref="figures/analysis-for-package-splitting.png" align="center" width="7in" depth="7in" /> 1136 <imagedata fileref="figures/analysis-for-package-splitting.png" align="center" width="7in" depth="7in" />
1136 </para> 1137 </para>
1137 1138
1138 <para> 1139 <para>
1139 The <filename>do_package</filename> and 1140 The <filename>do_package</filename> and
1140 <filename>do_packagedata</filename> tasks combine to analyze 1141 <filename>do_packagedata</filename> tasks combine to analyze
1141 the data found in the 1142 the files found in the
1142 <link linkend='var-D'><filename>D</filename></link> directory 1143 <link linkend='var-D'><filename>D</filename></link> directory
1143 and split it into subsets based on available packages and 1144 and split them into subsets based on available packages and
1144 files. 1145 files.
1145 The analyzing process involves splitting out debugging symbols, 1146 The analyzing process involves the following as well as other
1146 looking at shared library dependencies between packages, and 1147 items: splitting out debugging symbols,
1147 looking at package relationships. 1148 looking at shared library dependencies between packages,
1148 The <filename>do_packagedata</filename> task puts package 1149 and looking at package relationships.
1149 metadata based on the analysis such that BitBake can generate 1150 The <filename>do_packagedata</filename> task creates package
1150 the final packages. 1151 metadata based on the analysis such that the
1151 Intermediate results of the package analysis and splitting 1152 OpenEmbedded build system can generate the final packages.
1152 end up in the 1153 Working, staged, and intermediate results of the analysis
1153 <link linkend='var-PKGDEST'><filename>PKGDEST</filename></link> 1154 and package splitting process use these areas:
1154 directory with the 1155 <itemizedlist>
1155 <link linkend='var-FILES'><filename>FILES</filename></link> 1156 <listitem><para><link linkend='var-PKGD'><filename>PKGD</filename></link>
1156 variable defining the files that go into the packages. 1157 </para></listitem>
1157 If you want some details on how this is accomplished, you can 1158 <listitem><para><link linkend='var-PKGDATA_DIR'><filename>PKGDATA_DIR</filename></link>
1159 </para></listitem>
1160 <listitem><para><link linkend='var-PKGDESTWORK'><filename>PKGDESTWORK</filename></link>
1161 </para></listitem>
1162 <listitem><para><link linkend='var-PKGDEST'><filename>PKGDEST</filename></link>
1163 </para></listitem>
1164 </itemizedlist>
1165 The <link linkend='var-FILES'><filename>FILES</filename></link>
1166 variable defines the files that go into each package in
1167 <link linkend='var-PACKAGES'><filename>PACKAGES</filename></link>.
1168 If you want details on how this is accomplished, you can
1158 look at 1169 look at
1159 <link linkend='ref-classes-package'><filename>package.bbclass</filename></link>. 1170 <link linkend='ref-classes-package'><filename>package.bbclass</filename></link>.
1160 </para> 1171 </para>
1161 1172
1162 <para> 1173 <para>
1163 Depending on the type of packages being created (RPM, DEB, or 1174 Depending on the type of packages being created (RPM, DEB, or
1164 IPK), the <filename>do_packagewrite_*</filename> task 1175 IPK), the <filename>do_package_write_*</filename> task
1165 creates the actual packages and places them in the 1176 creates the actual packages and places them in the
1166 Package Feed area, which is 1177 Package Feed area, which is
1167 <filename>${TMPDIR}/deploy</filename>. 1178 <filename>${TMPDIR}/deploy</filename>.
@@ -1173,9 +1184,10 @@
1173 <filename>deploy/*</filename> directories does not exist. 1184 <filename>deploy/*</filename> directories does not exist.
1174 Creating such feeds usually requires some kind of feed 1185 Creating such feeds usually requires some kind of feed
1175 maintenance mechanism that would upload the new packages 1186 maintenance mechanism that would upload the new packages
1176 into an official package feed (e.g. angstrom). 1187 into an official package feed (e.g. the
1177 Providing such a piece for the user is not feasible since 1188 Ångström distribution).
1178 it is very distribution-specific. 1189 This functionality is highly distribution-specific
1190 and thus is not provided out of the box.
1179 </note> 1191 </note>
1180 </para> 1192 </para>
1181 </section> 1193 </section>