diff options
Diffstat (limited to 'documentation/ref-manual/ref-variables.xml')
-rw-r--r-- | documentation/ref-manual/ref-variables.xml | 67 |
1 files changed, 43 insertions, 24 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml index be15a447e6..ac4686f4da 100644 --- a/documentation/ref-manual/ref-variables.xml +++ b/documentation/ref-manual/ref-variables.xml | |||
@@ -1156,21 +1156,43 @@ Core layer for images cannot be removed | |||
1156 | <glossdef> | 1156 | <glossdef> |
1157 | <para> | 1157 | <para> |
1158 | Extends the search path the OpenEmbedded build system uses | 1158 | Extends the search path the OpenEmbedded build system uses |
1159 | when looking for files and patches as it processes recipes. | 1159 | when looking for files and patches as it processes recipes |
1160 | and append files. | ||
1161 | The directories BitBake uses when it processes recipes | ||
1162 | are defined by the | ||
1163 | <link linkend='var-FILESPATH'><filename>FILESPATH</filename></link> | ||
1164 | variable, and can be extended using | ||
1165 | <filename>FILESEXTRAPATHS</filename>. | ||
1166 | </para> | ||
1167 | |||
1168 | <para> | ||
1160 | Best practices dictate that you accomplish this by using the | 1169 | Best practices dictate that you accomplish this by using the |
1161 | variable from within a <filename>.bbappend</filename> file | 1170 | variable from within a <filename>.bbappend</filename> file |
1162 | and that you prepend paths as follows: | 1171 | and that you prepend paths as follows: |
1163 | <literallayout class='monospaced'> | 1172 | <literallayout class='monospaced'> |
1164 | FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" | 1173 | FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" |
1165 | </literallayout> | 1174 | </literallayout> |
1175 | In the above example, the build system looks for files in | ||
1176 | a directory that has the same name as the corresponding | ||
1177 | append file. | ||
1178 | Here is another common use: | ||
1179 | <literallayout class='monospaced'> | ||
1180 | FILESEXTRAPATHS_prepend := "${THISDIR}/files:" | ||
1181 | </literallayout> | ||
1182 | In this example, the build system extends the | ||
1183 | <filename>FILESPATH</filename> variable to include a | ||
1184 | directory named <filename>files</filename> that is in the | ||
1185 | same directory as the corresponding append file. | ||
1186 | </para> | ||
1187 | |||
1188 | <para> | ||
1189 | Here is a final example that specifically adds three paths: | ||
1190 | <literallayout class='monospaced'> | ||
1191 | FILESEXTRAPATHS_prepend := "path_1:path_2:path_3:" | ||
1192 | </literallayout> | ||
1166 | </para> | 1193 | </para> |
1167 | 1194 | ||
1168 | <para> | 1195 | <para> |
1169 | The directories BitBake uses when it processes recipes | ||
1170 | are defined by the | ||
1171 | <link linkend='var-FILESPATH'><filename>FILESPATH</filename></link> | ||
1172 | variable, and can be extended using | ||
1173 | <filename>FILESEXTRAPATHS</filename>. | ||
1174 | By prepending paths in <filename>.bbappend</filename> | 1196 | By prepending paths in <filename>.bbappend</filename> |
1175 | files, you allow multiple append files that reside in | 1197 | files, you allow multiple append files that reside in |
1176 | different layers but are used for the same recipe to | 1198 | different layers but are used for the same recipe to |
@@ -1180,10 +1202,6 @@ Core layer for images cannot be removed | |||
1180 | (<filename>:=</filename>) operator and include | 1202 | (<filename>:=</filename>) operator and include |
1181 | the trailing separating colon character. | 1203 | the trailing separating colon character. |
1182 | </note> | 1204 | </note> |
1183 | Here is another example that specifically adds three paths: | ||
1184 | <literallayout class='monospaced'> | ||
1185 | FILESEXTRAPATHS_prepend := "path_1:path_2:path_3:" | ||
1186 | </literallayout> | ||
1187 | </para> | 1205 | </para> |
1188 | </glossdef> | 1206 | </glossdef> |
1189 | </glossentry> | 1207 | </glossentry> |
@@ -1208,10 +1226,10 @@ Core layer for images cannot be removed | |||
1208 | FILESPATH = "${@base_set_filespath(["${FILE_DIRNAME}/${BP}", \ | 1226 | FILESPATH = "${@base_set_filespath(["${FILE_DIRNAME}/${BP}", \ |
1209 | "${FILE_DIRNAME}/${BPN}", "${FILE_DIRNAME}/files"], d)}" | 1227 | "${FILE_DIRNAME}/${BPN}", "${FILE_DIRNAME}/files"], d)}" |
1210 | </literallayout> | 1228 | </literallayout> |
1211 | <warning> | 1229 | <note> |
1212 | Do not hand-edit the <filename>FILESPATH</filename> | 1230 | Do not hand-edit the <filename>FILESPATH</filename> |
1213 | variable. | 1231 | variable. |
1214 | </warning> | 1232 | </note> |
1215 | Be aware that the default <filename>FILESPATH</filename> | 1233 | Be aware that the default <filename>FILESPATH</filename> |
1216 | directories do not map to directories in custom layers | 1234 | directories do not map to directories in custom layers |
1217 | where append files (<filename>.bbappend</filename>) | 1235 | where append files (<filename>.bbappend</filename>) |
@@ -3405,17 +3423,6 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3" | |||
3405 | recipe file (<filename>.bb</filename>) or | 3423 | recipe file (<filename>.bb</filename>) or |
3406 | append file (<filename>.bbappend</filename>) | 3424 | append file (<filename>.bbappend</filename>) |
3407 | resides: | 3425 | resides: |
3408 | <note> | ||
3409 | If you want the build system to pick up files | ||
3410 | specified through a | ||
3411 | <filename>SRC_URI</filename> | ||
3412 | statement from your append file, you need to be | ||
3413 | sure to extend the | ||
3414 | <filename>FILESPATH</filename> | ||
3415 | variable by also using the | ||
3416 | <link linkend='var-FILESEXTRAPATHS'><filename>FILESEXTRAPATHS</filename></link> | ||
3417 | variable from within your append file. | ||
3418 | </note> | ||
3419 | <itemizedlist> | 3426 | <itemizedlist> |
3420 | <listitem><para><emphasis><filename>${BPN}</filename> -</emphasis> | 3427 | <listitem><para><emphasis><filename>${BPN}</filename> -</emphasis> |
3421 | The base recipe name without any special | 3428 | The base recipe name without any special |
@@ -3431,7 +3438,19 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3" | |||
3431 | <filename>files</filename> and is also | 3438 | <filename>files</filename> and is also |
3432 | alongside the recipe or append file. | 3439 | alongside the recipe or append file. |
3433 | </para></listitem> | 3440 | </para></listitem> |
3434 | </itemizedlist></para></listitem> | 3441 | </itemizedlist> |
3442 | <note> | ||
3443 | If you want the build system to pick up files | ||
3444 | specified through a | ||
3445 | <filename>SRC_URI</filename> | ||
3446 | statement from your append file, you need to be | ||
3447 | sure to extend the | ||
3448 | <filename>FILESPATH</filename> | ||
3449 | variable by also using the | ||
3450 | <link linkend='var-FILESEXTRAPATHS'><filename>FILESEXTRAPATHS</filename></link> | ||
3451 | variable from within your append file. | ||
3452 | </note> | ||
3453 | </para></listitem> | ||
3435 | <listitem><para><emphasis><filename>bzr://</filename> -</emphasis> Fetches files from a | 3454 | <listitem><para><emphasis><filename>bzr://</filename> -</emphasis> Fetches files from a |
3436 | Bazaar revision control repository.</para></listitem> | 3455 | Bazaar revision control repository.</para></listitem> |
3437 | <listitem><para><emphasis><filename>git://</filename> -</emphasis> Fetches files from a | 3456 | <listitem><para><emphasis><filename>git://</filename> -</emphasis> Fetches files from a |