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| author |   Scott Rifenbark <srifenbark@gmail.com> | 2016-07-14 12:31:38 -0700 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2016-07-19 15:04:51 +0100 |
| commit | acdfb5f3cc90e747f06ba655fa1b07e8d878e96e (patch) | |
| tree | 24d215e89ac10a0b995c42169481d47cfe3594bd /documentation | |
| parent | b09a3adb642a729c0bde1734d203fc3cfa53a7b9 (diff) | |
| download | openembedded-core-contrib-acdfb5f3cc90e747f06ba655fa1b07e8d878e96e.tar.gz | |
ref-manual: Added notes to the DEPENDS variable description.
Fixes [YOCTO #9933]
Added two notes to help clarify how DEPENDS works with pre-compiled
objects. There are some details that trip people up.
(From yocto-docs rev: 06917e97adf24816b0aee6fdfdd14aa79d4c6ab2)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'documentation')
| -rw-r--r-- | documentation/ref-manual/ref-variables.xml | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml index b876bc3115..e265aa94bd 100644 --- a/documentation/ref-manual/ref-variables.xml +++ b/documentation/ref-manual/ref-variables.xml @@ -2791,6 +2791,39 @@ task of recipe "b". This means anything that recipe "b" puts into sysroot is available when recipe "a" is configuring itself. + <note> + <title>Notes</title> + <itemizedlist> + <listitem><para> + <filename>DEPENDS</filename> is a list of + recipe names. + Or, to be more precise, it is a list of + <link linkend='var-PROVIDES'><filename>PROVIDES</filename></link> + names, which usually match recipe names. + Putting a package name such as "foo-dev" in + <filename>DEPENDS</filename> does not make + sense. + Use "foo" instead, as this will put files + from all the packages that make up "foo" - + including those from "foo-dev" - into the + sysroot. + </para></listitem> + <listitem><para> + Counter intuitively, + <filename>DEPENDS</filename> is often necessary + even for recipes that install precompiled + components. + For example, if "libfoo" is a precompiled + library that links against "libbar", then + linking against "libfoo" requires both "libfoo" + and "libbar" to be available in the sysroot. + Without a <filename>DEPENDS</filename> from the + recipe that installs "libfoo" to the recipe + that installs "libbar", other recipes might + fail to link against "libfoo". + </para></listitem> + </itemizedlist> + </note> </para> <para> |