forked from mirrors/nixpkgs
* Documented all stdenv phases.
svn path=/nixpkgs/trunk/; revision=12789
This commit is contained in:
Eelco Dolstra
parent
5d9dfc1e60
commit
10e57bf323
335
doc/stdenv.xml
335
doc/stdenv.xml
|
|
@ -180,8 +180,13 @@ genericBuild
|
|||
<section xml:id="ssec-stdenv-phases"><title>Phases</title>
|
||||
|
||||
<para>The generic builder has a number of <emphasis>phases</emphasis>.
|
||||
Each phase can be overriden in its entirety either by setting the
|
||||
environment variable
|
||||
Package builds are split into phases to make it easier to override
|
||||
specific parts of the build (e.g., unpacking the sources or installing
|
||||
the binaries). Furthermore, it allows a nicer presentation of build
|
||||
logs in the Nix build farm.</para>
|
||||
|
||||
<para>Each phase can be overriden in its entirety either by setting
|
||||
the environment variable
|
||||
<varname><replaceable>name</replaceable>Phase</varname> to a string
|
||||
containing some shell commands to be executed, or by redefining the
|
||||
shell function
|
||||
|
|
@ -504,7 +509,73 @@ script) if it exists.</para>
|
|||
|
||||
<section><title>The build phase</title>
|
||||
|
||||
<para><function>buildPhase</function> calls <command>make</command>.
|
||||
<para>The build phase is responsible for actually building the package
|
||||
(e.g. compiling it). The default <function>buildPhase</function>
|
||||
simply calls <command>make</command> if a file named
|
||||
<filename>Makefile</filename>, <filename>makefile</filename> or
|
||||
<filename>GNUmakefile</filename> exists in the current directory (or
|
||||
the <varname>makefile</varname> is explicitly set); otherwise it does
|
||||
nothing.</para>
|
||||
|
||||
<variablelist>
|
||||
<title>Variables controlling the build phase</title>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>makefile</varname></term>
|
||||
<listitem><para>The file name of the Makefile.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>makeFlags</varname></term>
|
||||
<listitem><para>Additional flags passed to
|
||||
<command>make</command>. These flags are also used by the default
|
||||
install and check phase. For setting make flags specific to the
|
||||
build phase, use <varname>buildFlags</varname> (see
|
||||
below).</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>makeFlagsArray</varname></term>
|
||||
<listitem><para>A shell array containing additional arguments
|
||||
passed to <command>make</command>. You must use this instead of
|
||||
<varname>makeFlags</varname> if the arguments contain
|
||||
spaces, e.g.
|
||||
|
||||
<programlisting>
|
||||
makeFlagsArray=(CFLAGS="-O0 -g" LDFLAGS="-lfoo -lbar")
|
||||
</programlisting>
|
||||
|
||||
Note that shell arrays cannot be passed through environment
|
||||
variables, so you cannot set <varname>makeFlagsArray</varname> in
|
||||
a derivation attribute (because those are passed through
|
||||
environment variables): you have to define them in shell
|
||||
code.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>buildFlags</varname> / <varname>buildFlagsArray</varname></term>
|
||||
<listitem><para>Additional flags passed to
|
||||
<command>make</command>. Like <varname>makeFlags</varname> and
|
||||
<varname>makeFlagsArray</varname>, but only used by the build
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>preBuild</varname></term>
|
||||
<listitem><para>Hook executed at the start of the build
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>postBuild</varname></term>
|
||||
<listitem><para>Hook executed at the end of the build
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
</variablelist>
|
||||
|
||||
|
||||
<para>
|
||||
You can set flags for <command>make</command> through the
|
||||
<varname>makeFlags</varname> variable.</para>
|
||||
|
||||
|
|
@ -517,32 +588,126 @@ called, respectively.</para>
|
|||
|
||||
<section><title>The check phase</title>
|
||||
|
||||
<para><function>checkPhase</function> calls <command>make
|
||||
check</command>, but only if the <varname>doCheck</varname> variable
|
||||
is set to <literal>1</literal>. Additional flags can be set through
|
||||
the <varname>checkFlags</varname> variable.</para>
|
||||
<para>The check phase checks whether the package was built correctly
|
||||
by running its test suite. The default
|
||||
<function>checkPhase</function> calls <command>make check</command>,
|
||||
but only if the <varname>doCheck</varname> variable is enabled.</para>
|
||||
|
||||
<variablelist>
|
||||
<title>Variables controlling the check phase</title>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>doCheck</varname></term>
|
||||
<listitem><para>If set to a non-empty string, the check phase is
|
||||
executed, otherwise it is skipped (default). Thus you should set
|
||||
|
||||
<programlisting>
|
||||
doCheck = true;</programlisting>
|
||||
|
||||
in the derivation to enable checks.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>makeFlags</varname> /
|
||||
<varname>makeFlagsArray</varname> /
|
||||
<varname>makefile</varname></term>
|
||||
<listitem><para>See the build phase for details.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>checkTarget</varname></term>
|
||||
<listitem><para>The make target that runs the tests. Defaults to
|
||||
<literal>check</literal>.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>checkFlags</varname> / <varname>checkFlagsArray</varname></term>
|
||||
<listitem><para>Additional flags passed to
|
||||
<command>make</command>. Like <varname>makeFlags</varname> and
|
||||
<varname>makeFlagsArray</varname>, but only used by the check
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>preCheck</varname></term>
|
||||
<listitem><para>Hook executed at the start of the check
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>postCheck</varname></term>
|
||||
<listitem><para>Hook executed at the end of the check
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
</variablelist>
|
||||
|
||||
|
||||
</section>
|
||||
|
||||
|
||||
<section><title>The install phase</title>
|
||||
|
||||
<para><function>installPhase</function> calls <command>make
|
||||
install</command>. Additional flags can be set through the
|
||||
<varname>installFlags</varname> variable.</para>
|
||||
<para>The install phase is responsible for installing the package in
|
||||
the Nix store under <envar>out</envar>. The default
|
||||
<function>installPhase</function> creates the directory
|
||||
<literal>$out</literal> and calls <command>make
|
||||
install</command>.</para>
|
||||
|
||||
<variablelist>
|
||||
<title>Variables controlling the check phase</title>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>makeFlags</varname> /
|
||||
<varname>makeFlagsArray</varname> /
|
||||
<varname>makefile</varname></term>
|
||||
<listitem><para>See the build phase for details.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>installTargets</varname></term>
|
||||
<listitem><para>The make targets that perform the installation.
|
||||
Defaults to <literal>install</literal>. Example:
|
||||
|
||||
<programlisting>
|
||||
installTargets = "install-bin install-doc";</programlisting>
|
||||
|
||||
</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>installFlags</varname> / <varname>installFlagsArray</varname></term>
|
||||
<listitem><para>Additional flags passed to
|
||||
<command>make</command>. Like <varname>makeFlags</varname> and
|
||||
<varname>makeFlagsArray</varname>, but only used by the install
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>preInstall</varname></term>
|
||||
<listitem><para>Hook executed at the start of the install
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>postInstall</varname></term>
|
||||
<listitem><para>Hook executed at the end of the install
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
</variablelist>
|
||||
|
||||
<para>Before and after running <command>make install</command>, the
|
||||
hooks <varname>preInstall</varname> and <varname>postInstall</varname>
|
||||
are called, respectively.</para>
|
||||
|
||||
</section>
|
||||
|
||||
|
||||
<section><title>The fixup phase</title>
|
||||
|
||||
<para><function>fixupPhase</function> cleans up the installed files in
|
||||
various ways:
|
||||
|
||||
<para>The fixup phase performs some (Nix-specific) post-processing
|
||||
actions on the files installed under <filename>$out</filename> by the
|
||||
install phase. The default <function>fixupPhase</function> does the
|
||||
following:
|
||||
|
||||
<itemizedlist>
|
||||
|
||||
<listitem><para>It moves the <filename>man/</filename>,
|
||||
|
|
@ -556,7 +721,7 @@ various ways:
|
|||
<listitem><para>On Linux, it applies the <command>patchelf</command>
|
||||
command to ELF executables and libraries to remove unused
|
||||
directories from the <literal>RPATH</literal> in order to prevent
|
||||
unnecessary dependencies.</para></listitem>
|
||||
unnecessary runtime dependencies.</para></listitem>
|
||||
|
||||
<listitem><para>It rewrites the interpreter paths of shell scripts
|
||||
to paths found in <envar>PATH</envar>. E.g.,
|
||||
|
|
@ -568,21 +733,139 @@ various ways:
|
|||
|
||||
</para>
|
||||
|
||||
<variablelist>
|
||||
<title>Variables controlling the check phase</title>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>dontStrip</varname></term>
|
||||
<listitem><para>If set, libraries and executables are not
|
||||
stripped. By default, they are.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>stripAllList</varname></term>
|
||||
<listitem><para>List of directories to search for libraries and
|
||||
executables from which <emphasis>all</emphasis> symbols should be
|
||||
stripped. By default, it’s empty. Stripping all symbols is
|
||||
risky, since it may remove not just debug symbols but also ELF
|
||||
information necessary for normal execution.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>stripAllFlags</varname></term>
|
||||
<listitem><para>Flags passed to the <command>strip</command>
|
||||
command applied to the files in the directories listed in
|
||||
<varname>stripAllList</varname>. Defaults to <option>-s</option>
|
||||
(i.e. <option>--strip-all</option>).</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>stripDebugList</varname></term>
|
||||
<listitem><para>List of directories to search for libraries and
|
||||
executables from which only debugging-related symbols should be
|
||||
stripped. It defaults to <literal>lib bin
|
||||
sbin</literal>.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>stripDebugFlags</varname></term>
|
||||
<listitem><para>Flags passed to the <command>strip</command>
|
||||
command applied to the files in the directories listed in
|
||||
<varname>stripDebugList</varname>. Defaults to
|
||||
<option>-S</option>
|
||||
(i.e. <option>--strip-debug</option>).</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>dontPatchELF</varname></term>
|
||||
<listitem><para>If set, the <command>patchelf</command> command is
|
||||
not used to remove unnecessary <literal>RPATH</literal> entries.
|
||||
Only applies to Linux.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>dontPatchShebangs</varname></term>
|
||||
<listitem><para>If set, scripts starting with
|
||||
<literal>#!</literal> do not have their interpreter paths
|
||||
rewritten to paths in the Nix store.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>forceShare</varname></term>
|
||||
<listitem><para>The list of directories that must be moved from
|
||||
<filename>$out</filename> to <filename>$out/share</filename>.
|
||||
Defaults to <literal>man doc info</literal>.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>preFixup</varname></term>
|
||||
<listitem><para>Hook executed at the start of the fixup
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>postFixup</varname></term>
|
||||
<listitem><para>Hook executed at the end of the fixup
|
||||
phase.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
</variablelist>
|
||||
|
||||
</section>
|
||||
|
||||
|
||||
<section><title>The distribution phase</title>
|
||||
|
||||
<para><function>distPhase</function> calls <command>make
|
||||
dist</command>, but only if the <varname>doDist</varname> variable is
|
||||
set to <literal>1</literal>. Additional flags can be set through the
|
||||
<varname>distFlags</varname> variable. The resulting tarball is
|
||||
copied to the <filename>/tarballs</filename> subdirectory of the
|
||||
output path.</para>
|
||||
<para>The distribution phase is intended to produce a source
|
||||
distribution of the package. The default
|
||||
<function>distPhase</function> first calls <command>make
|
||||
dist</command>, then it copies the resulting source tarballs to
|
||||
<filename>$out/tarballs/</filename>. This phase is only executed if
|
||||
the <varname>doDist</varname> is not set.</para>
|
||||
|
||||
<variablelist>
|
||||
<title>Variables controlling the distribution phase</title>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>distTarget</varname></term>
|
||||
<listitem><para>The make target that produces the distribution.
|
||||
Defaults to <literal>dist</literal>.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>distFlags</varname> / <varname>distFlagsArray</varname></term>
|
||||
<listitem><para>Additional flags passed to
|
||||
<command>make</command>.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>tarballs</varname></term>
|
||||
<listitem><para>The names of the source distribution files to be
|
||||
copied to <filename>$out/tarballs/</filename>. It can contain
|
||||
shell wildcards. The default is
|
||||
<filename>*.tar.gz</filename>.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><varname>dontCopyDist</varname></term>
|
||||
<listitem><para>If set, no files are copied to
|
||||
<filename>$out/tarballs/</filename>.</para></listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<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>
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue