* Documented all stdenv phases.
svn path=/nixpkgs/trunk/; revision=12789
This commit is contained in:
Eelco Dolstra
parent
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commit
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335
doc/stdenv.xml
335
doc/stdenv.xml
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@ -180,8 +180,13 @@ genericBuild
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<section xml:id="ssec-stdenv-phases"><title>Phases</title>
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<section xml:id="ssec-stdenv-phases"><title>Phases</title>
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<para>The generic builder has a number of <emphasis>phases</emphasis>.
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<para>The generic builder has a number of <emphasis>phases</emphasis>.
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Each phase can be overriden in its entirety either by setting the
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Package builds are split into phases to make it easier to override
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environment variable
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specific parts of the build (e.g., unpacking the sources or installing
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the binaries). Furthermore, it allows a nicer presentation of build
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logs in the Nix build farm.</para>
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<para>Each phase can be overriden in its entirety either by setting
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the environment variable
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<varname><replaceable>name</replaceable>Phase</varname> to a string
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<varname><replaceable>name</replaceable>Phase</varname> to a string
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containing some shell commands to be executed, or by redefining the
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containing some shell commands to be executed, or by redefining the
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shell function
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shell function
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@ -504,7 +509,73 @@ script) if it exists.</para>
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<section><title>The build phase</title>
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<section><title>The build phase</title>
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<para><function>buildPhase</function> calls <command>make</command>.
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<para>The build phase is responsible for actually building the package
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(e.g. compiling it). The default <function>buildPhase</function>
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simply calls <command>make</command> if a file named
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<filename>Makefile</filename>, <filename>makefile</filename> or
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<filename>GNUmakefile</filename> exists in the current directory (or
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the <varname>makefile</varname> is explicitly set); otherwise it does
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nothing.</para>
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<variablelist>
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<title>Variables controlling the build phase</title>
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<varlistentry>
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<term><varname>makefile</varname></term>
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<listitem><para>The file name of the Makefile.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>makeFlags</varname></term>
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<listitem><para>Additional flags passed to
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<command>make</command>. These flags are also used by the default
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install and check phase. For setting make flags specific to the
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build phase, use <varname>buildFlags</varname> (see
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below).</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>makeFlagsArray</varname></term>
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<listitem><para>A shell array containing additional arguments
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passed to <command>make</command>. You must use this instead of
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<varname>makeFlags</varname> if the arguments contain
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spaces, e.g.
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<programlisting>
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makeFlagsArray=(CFLAGS="-O0 -g" LDFLAGS="-lfoo -lbar")
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</programlisting>
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Note that shell arrays cannot be passed through environment
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variables, so you cannot set <varname>makeFlagsArray</varname> in
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a derivation attribute (because those are passed through
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environment variables): you have to define them in shell
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code.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>buildFlags</varname> / <varname>buildFlagsArray</varname></term>
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<listitem><para>Additional flags passed to
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<command>make</command>. Like <varname>makeFlags</varname> and
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<varname>makeFlagsArray</varname>, but only used by the build
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phase.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>preBuild</varname></term>
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<listitem><para>Hook executed at the start of the build
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phase.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>postBuild</varname></term>
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<listitem><para>Hook executed at the end of the build
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phase.</para></listitem>
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</varlistentry>
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</variablelist>
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<para>
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You can set flags for <command>make</command> through the
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You can set flags for <command>make</command> through the
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<varname>makeFlags</varname> variable.</para>
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<varname>makeFlags</varname> variable.</para>
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@ -517,32 +588,126 @@ called, respectively.</para>
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<section><title>The check phase</title>
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<section><title>The check phase</title>
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<para><function>checkPhase</function> calls <command>make
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<para>The check phase checks whether the package was built correctly
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check</command>, but only if the <varname>doCheck</varname> variable
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by running its test suite. The default
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is set to <literal>1</literal>. Additional flags can be set through
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<function>checkPhase</function> calls <command>make check</command>,
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the <varname>checkFlags</varname> variable.</para>
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but only if the <varname>doCheck</varname> variable is enabled.</para>
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<variablelist>
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<title>Variables controlling the check phase</title>
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<varlistentry>
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<term><varname>doCheck</varname></term>
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<listitem><para>If set to a non-empty string, the check phase is
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executed, otherwise it is skipped (default). Thus you should set
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<programlisting>
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doCheck = true;</programlisting>
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in the derivation to enable checks.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>makeFlags</varname> /
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<varname>makeFlagsArray</varname> /
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<varname>makefile</varname></term>
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<listitem><para>See the build phase for details.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>checkTarget</varname></term>
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<listitem><para>The make target that runs the tests. Defaults to
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<literal>check</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>checkFlags</varname> / <varname>checkFlagsArray</varname></term>
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<listitem><para>Additional flags passed to
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<command>make</command>. Like <varname>makeFlags</varname> and
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<varname>makeFlagsArray</varname>, but only used by the check
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phase.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>preCheck</varname></term>
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<listitem><para>Hook executed at the start of the check
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phase.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>postCheck</varname></term>
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<listitem><para>Hook executed at the end of the check
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phase.</para></listitem>
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</varlistentry>
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</variablelist>
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</section>
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</section>
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<section><title>The install phase</title>
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<section><title>The install phase</title>
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<para><function>installPhase</function> calls <command>make
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<para>The install phase is responsible for installing the package in
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install</command>. Additional flags can be set through the
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the Nix store under <envar>out</envar>. The default
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<varname>installFlags</varname> variable.</para>
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<function>installPhase</function> creates the directory
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<literal>$out</literal> and calls <command>make
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install</command>.</para>
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<variablelist>
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<title>Variables controlling the check phase</title>
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<varlistentry>
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<term><varname>makeFlags</varname> /
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<varname>makeFlagsArray</varname> /
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<varname>makefile</varname></term>
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<listitem><para>See the build phase for details.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>installTargets</varname></term>
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<listitem><para>The make targets that perform the installation.
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Defaults to <literal>install</literal>. Example:
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<programlisting>
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installTargets = "install-bin install-doc";</programlisting>
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>installFlags</varname> / <varname>installFlagsArray</varname></term>
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<listitem><para>Additional flags passed to
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<command>make</command>. Like <varname>makeFlags</varname> and
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<varname>makeFlagsArray</varname>, but only used by the install
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phase.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>preInstall</varname></term>
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<listitem><para>Hook executed at the start of the install
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phase.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>postInstall</varname></term>
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<listitem><para>Hook executed at the end of the install
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phase.</para></listitem>
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</varlistentry>
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</variablelist>
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<para>Before and after running <command>make install</command>, the
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hooks <varname>preInstall</varname> and <varname>postInstall</varname>
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are called, respectively.</para>
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</section>
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</section>
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<section><title>The fixup phase</title>
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<section><title>The fixup phase</title>
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<para><function>fixupPhase</function> cleans up the installed files in
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<para>The fixup phase performs some (Nix-specific) post-processing
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various ways:
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actions on the files installed under <filename>$out</filename> by the
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install phase. The default <function>fixupPhase</function> does the
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following:
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<itemizedlist>
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<itemizedlist>
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<listitem><para>It moves the <filename>man/</filename>,
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<listitem><para>It moves the <filename>man/</filename>,
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@ -556,7 +721,7 @@ various ways:
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<listitem><para>On Linux, it applies the <command>patchelf</command>
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<listitem><para>On Linux, it applies the <command>patchelf</command>
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command to ELF executables and libraries to remove unused
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command to ELF executables and libraries to remove unused
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directories from the <literal>RPATH</literal> in order to prevent
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directories from the <literal>RPATH</literal> in order to prevent
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unnecessary dependencies.</para></listitem>
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unnecessary runtime dependencies.</para></listitem>
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<listitem><para>It rewrites the interpreter paths of shell scripts
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<listitem><para>It rewrites the interpreter paths of shell scripts
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to paths found in <envar>PATH</envar>. E.g.,
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to paths found in <envar>PATH</envar>. E.g.,
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@ -568,21 +733,139 @@ various ways:
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</para>
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</para>
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<variablelist>
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<title>Variables controlling the check phase</title>
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<varlistentry>
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<term><varname>dontStrip</varname></term>
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<listitem><para>If set, libraries and executables are not
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stripped. By default, they are.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>stripAllList</varname></term>
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<listitem><para>List of directories to search for libraries and
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executables from which <emphasis>all</emphasis> symbols should be
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stripped. By default, it’s empty. Stripping all symbols is
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risky, since it may remove not just debug symbols but also ELF
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information necessary for normal execution.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>stripAllFlags</varname></term>
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<listitem><para>Flags passed to the <command>strip</command>
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command applied to the files in the directories listed in
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<varname>stripAllList</varname>. Defaults to <option>-s</option>
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(i.e. <option>--strip-all</option>).</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>stripDebugList</varname></term>
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<listitem><para>List of directories to search for libraries and
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executables from which only debugging-related symbols should be
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stripped. It defaults to <literal>lib bin
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sbin</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>stripDebugFlags</varname></term>
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<listitem><para>Flags passed to the <command>strip</command>
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command applied to the files in the directories listed in
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<varname>stripDebugList</varname>. Defaults to
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<option>-S</option>
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(i.e. <option>--strip-debug</option>).</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>dontPatchELF</varname></term>
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<listitem><para>If set, the <command>patchelf</command> command is
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not used to remove unnecessary <literal>RPATH</literal> entries.
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Only applies to Linux.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>dontPatchShebangs</varname></term>
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<listitem><para>If set, scripts starting with
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<literal>#!</literal> do not have their interpreter paths
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rewritten to paths in the Nix store.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>forceShare</varname></term>
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<listitem><para>The list of directories that must be moved from
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<filename>$out</filename> to <filename>$out/share</filename>.
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Defaults to <literal>man doc info</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>preFixup</varname></term>
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<listitem><para>Hook executed at the start of the fixup
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phase.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>postFixup</varname></term>
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<listitem><para>Hook executed at the end of the fixup
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phase.</para></listitem>
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</varlistentry>
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</variablelist>
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</section>
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</section>
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<section><title>The distribution phase</title>
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<section><title>The distribution phase</title>
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<para><function>distPhase</function> calls <command>make
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<para>The distribution phase is intended to produce a source
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dist</command>, but only if the <varname>doDist</varname> variable is
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distribution of the package. The default
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set to <literal>1</literal>. Additional flags can be set through the
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<function>distPhase</function> first calls <command>make
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<varname>distFlags</varname> variable. The resulting tarball is
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dist</command>, then it copies the resulting source tarballs to
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copied to the <filename>/tarballs</filename> subdirectory of the
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<filename>$out/tarballs/</filename>. This phase is only executed if
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output path.</para>
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the <varname>doDist</varname> is not set.</para>
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<variablelist>
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<title>Variables controlling the distribution phase</title>
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<varlistentry>
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<term><varname>distTarget</varname></term>
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<listitem><para>The make target that produces the distribution.
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Defaults to <literal>dist</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>distFlags</varname> / <varname>distFlagsArray</varname></term>
|
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<listitem><para>Additional flags passed to
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<command>make</command>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>tarballs</varname></term>
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<listitem><para>The names of the source distribution files to be
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copied to <filename>$out/tarballs/</filename>. It can contain
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shell wildcards. The default is
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||||||
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<filename>*.tar.gz</filename>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>dontCopyDist</varname></term>
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<listitem><para>If set, no files are copied to
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<filename>$out/tarballs/</filename>.</para></listitem>
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</varlistentry>
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<varlistentry>
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||||||
|
<term><varname>preDist</varname></term>
|
||||||
|
<listitem><para>Hook executed at the start of the distribution
|
||||||
|
phase.</para></listitem>
|
||||||
|
</varlistentry>
|
||||||
|
|
||||||
|
<varlistentry>
|
||||||
|
<term><varname>postDist</varname></term>
|
||||||
|
<listitem><para>Hook executed at the end of the distribution
|
||||||
|
phase.</para></listitem>
|
||||||
|
</varlistentry>
|
||||||
|
|
||||||
|
</variablelist>
|
||||||
|
|
||||||
<para>Before and after running <command>make dist</command>, the hooks
|
|
||||||
<varname>preDist</varname> and <varname>postDist</varname> are called,
|
|
||||||
respectively.</para>
|
|
||||||
|
|
||||||
</section>
|
</section>
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue
Block a user