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| -rw-r--r-- | bitbake/doc/user-manual/user-manual-metadata.xml | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/bitbake/doc/user-manual/user-manual-metadata.xml b/bitbake/doc/user-manual/user-manual-metadata.xml index 621b376d37..a67d6b1b1a 100644 --- a/bitbake/doc/user-manual/user-manual-metadata.xml +++ b/bitbake/doc/user-manual/user-manual-metadata.xml | |||
| @@ -958,6 +958,19 @@ | |||
| 958 | <title>Configuration files</title> | 958 | <title>Configuration files</title> |
| 959 | 959 | ||
| 960 | <para> | 960 | <para> |
| 961 | Prior to parsing configuration files, Bitbake looks | ||
| 962 | at certain variables, including: | ||
| 963 | <itemizedlist> | ||
| 964 | <listitem><para><filename>BB-ENV-WHITELIST</filename></para></listitem> | ||
| 965 | <listitem><para><filename>BB_PRESERVE-ENV</filename></para></listitem> | ||
| 966 | <listitem><para><filename>BB_ENV_EXTRAWHITE</filename></para></listitem> | ||
| 967 | <listitem><para><filename>BB_ORIG_ENV</filename></para></listitem> | ||
| 968 | <listitem><para><filename>PREFERRED_VERSIONS</filename></para></listitem> | ||
| 969 | <listitem><para><filename>PREFERRED_PROVIDERS</filename></para></listitem> | ||
| 970 | </itemizedlist> | ||
| 971 | </para> | ||
| 972 | |||
| 973 | <para> | ||
| 961 | The first kind of metadata in BitBake is configuration metadata. | 974 | The first kind of metadata in BitBake is configuration metadata. |
| 962 | This metadata is global, and therefore affects all packages and | 975 | This metadata is global, and therefore affects all packages and |
| 963 | tasks that are executed. | 976 | tasks that are executed. |