dev-manual: First draft of recipetool section.
(From yocto-docs rev: 3220f98c756291d95da0d9d7cff4aa09e8670ff2) Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Scott Rifenbark
Richard Purdie
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@ -1213,8 +1213,117 @@
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</para>
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</section>
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<section id='new-recipe-locate-a-base-recipe'>
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<title>Locate a Base Recipe</title>
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<section id='new-recipe-locate-or-automatically-create-a-base-recipe'>
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<title>Locate or Automatically Create a Base Recipe</title>
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<para>
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You can always write a recipe from scratch.
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However, two choices exist that can help you quickly get a
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start on a new recipe:
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<itemizedlist>
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<listitem><para><emphasis><filename>recipetool</filename>:</emphasis>
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A tool provided by the Yocto Project that automates
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creation of a base recipe based on the source
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files.
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</para></listitem>
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<listitem><para><emphasis>Existing Recipes:</emphasis>
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Location and modification of an existing recipe that is
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similar in function to the recipe you need.
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</para></listitem>
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</itemizedlist>
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</para>
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<section id='new-recipe-creating-the-base-recipe-using-recipetool'>
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<title>Creating the Base Recipe Using <filename>recipetool</filename></title>
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<para>
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<filename>recipetool</filename> automates creation of
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a base recipe given a set of source code files.
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As long as you can extract or point to the source files,
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the tool will construct a recipe and automatically
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configure all pre-build information into the recipe.
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For example, suppose you have an application that builds
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using Autotools.
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Creating the base recipe using
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<filename>recipetool</filename> results in a recipe
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that has the pre-build dependencies, license requirements,
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and checksums configured.
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</para>
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<para>
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To run the tool, you just need to be in your
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<link linkend='build-directory'>Build Directory</link>
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and have sourced the build environment setup script
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(i.e.
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<ulink url='&YOCTO_DOCS_REF_URL;#structure-core-script'><filename>oe-init-build-env</filename></ulink>
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or
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<ulink url='&YOCTO_DOCS_REF_URL;#structure-memres-core-script'><filename>oe-init-build-env-memres</filename></ulink>).
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Here is the basic <filename>recipetool</filename> syntax:
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<literallayout class='monospaced'>
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recipetool -h
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recipetool create [-h]
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recipetool [-d] [-q] [--color auto | always | never ] create [-o <replaceable>OUTFILE</replaceable>] [-m] [-x <replaceable>EXTERNALSRC</replaceable>] <replaceable>source</replaceable>
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-d Enables debug output.
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-q Outputs only errors (quiet mode).
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--color Colorizes the output automatically, always, or never.
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-h Displays Python generated syntax for recipetool.
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create Causes recipetool to create a base recipe. The create
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command is further defined with these options:
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-o <replaceable>OUTFILE</replaceable> Specifies the full path and filename for the generated
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recipe.
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-m Causes the recipe to be machine-specific rather than
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architecture-specific (default).
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-x <replaceable>EXTERNALSRC</replaceable> Fetches and extracts source files from <replaceable>source</replaceable>
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and places them in <replaceable>EXTERNALSRC</replaceable>.
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<replaceable>source</replaceable> must be a URL.
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-h Displays Python-generated syntax for create.
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<replaceable>source</replaceable> Specifies the source code on which to base the
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recipe.
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</literallayout>
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</para>
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<para>
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Running <filename>recipetool</filename> creates the base
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recipe and locates it properly in the layer that contains
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your source files.
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Following are some syntax examples:
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</para>
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<para>
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Use this syntax to generate a recipe based on <replaceable>source</replaceable>.
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Once generated, the recipe resides in the existing source
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code layer:
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<literallayout class='monospaced'>
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recipetool create <replaceable>source</replaceable>
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</literallayout>
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Use this syntax to generate a recipe using code that you
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extract from <replaceable>source</replaceable>.
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The extracted code is placed in its own layer defined
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by <replaceable>EXTERNALSRC</replaceable>.
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<literallayout class='monospaced'>
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recipetool create -x <replaceable>EXTERNALSRC</replaceable> <replaceable>source</replaceable>
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</literallayout>
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Use this syntax to generate a recipe and override the
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tool's default placement of the recipe by specifying both
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its location and name using <replaceable>OUTFILE</replaceable>.
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<literallayout class='monospaced'>
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recipetool create -o <replaceable>OUTFILE</replaceable> <replaceable>source</replaceable>
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</literallayout>
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Use this syntax to generate a recipe based on <replaceable>source</replaceable>.
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The options direct <filename>recipetool</filename> to
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run in "quiet mode" and to generate debugging information.
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Once generated, the recipe resides in the existing source
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code layer:
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<literallayout class='monospaced'>
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recipetool create -o <replaceable>OUTFILE</replaceable> <replaceable>source</replaceable>
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</literallayout>
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</para>
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</section>
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<section id='new-recipe-locating-and-using-a-similar-recipe'>
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<title>Locating and Using a Similar Recipe</title>
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<para>
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Before writing a recipe from scratch, it is often useful to
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@ -1246,6 +1355,11 @@
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existing recipe space.</para></listitem>
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<listitem><para><emphasis>Use and modify the following
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skeleton recipe:</emphasis>
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If for some reason you do not want to use
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<filename>recipetool</filename> and you cannot
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find an existing recipe that is close to meeting
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your needs, you can use the following structure to
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provide the fundamental areas of a new recipe.
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<literallayout class='monospaced'>
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DESCRIPTION = ""
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HOMEPAGE = ""
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@ -1256,14 +1370,11 @@
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SRC_URI = ""
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</literallayout>
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Modifying this recipe is the recommended method for
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creating a new recipe.
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The recipe provides the fundamental areas that you need
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to include, exclude, or alter to fit your needs.
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</para></listitem>
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</itemizedlist>
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</para>
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</section>
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</section>
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<section id='new-recipe-storing-and-naming-the-recipe'>
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<title>Storing and Naming the Recipe</title>
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