diff options
| author | Bill Wendling <isanbard@gmail.com> | 2012-06-21 06:09:37 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2012-06-21 06:09:37 +0000 |
| commit | 1d4e62878e188704e4c599d50b4e3679a8189567 (patch) | |
| tree | 27d4195c57e46e276b18b7a6b22615cd51ca173f | |
| parent | 8ef0968dc230f6fae8fcbd6dc4a5cb9ccc780b6b (diff) | |
| download | llvm-1d4e62878e188704e4c599d50b4e3679a8189567.tar.gz llvm-1d4e62878e188704e4c599d50b4e3679a8189567.tar.bz2 llvm-1d4e62878e188704e4c599d50b4e3679a8189567.tar.xz | |
Sphinxify the outdated Packaging documentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158901 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | docs/Packaging.html | 119 | ||||
| -rw-r--r-- | docs/Packaging.rst | 75 | ||||
| -rw-r--r-- | docs/userguides.rst | 3 |
3 files changed, 77 insertions, 120 deletions
diff --git a/docs/Packaging.html b/docs/Packaging.html deleted file mode 100644 index 51e9375e85..0000000000 --- a/docs/Packaging.html +++ /dev/null @@ -1,119 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" - "http://www.w3.org/TR/html4/strict.dtd"> -<html> -<head> - <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> - <title>Advice on Packaging LLVM</title> - <link rel="stylesheet" href="_static/llvm.css" type="text/css"> -</head> -<body> - -<h1>Advice on Packaging LLVM</h1> -<ol> - <li><a href="#overview">Overview</a></li> - <li><a href="#compilation">Compile Flags</a></li> - <li><a href="#cxx-features">C++ Features</a></li> - <li><a href="#shared-library">Shared Library</a></li> - <li><a href="#deps">Dependencies</a></li> -</ol> - -<!--=========================================================================--> -<h2><a name="overview">Overview</a></h2> -<!--=========================================================================--> -<div> - -<p>LLVM sets certain default configure options to make sure our developers don't -break things for constrained platforms. These settings are not optimal for most -desktop systems, and we hope that packagers (e.g., Redhat, Debian, MacPorts, -etc.) will tweak them. This document lists settings we suggest you tweak. -</p> - -<p>LLVM's API changes with each release, so users are likely to want, for -example, both LLVM-2.6 and LLVM-2.7 installed at the same time to support apps -developed against each. -</p> -</div> - -<!--=========================================================================--> -<h2><a name="compilation">Compile Flags</a></h2> -<!--=========================================================================--> -<div> - -<p>LLVM runs much more quickly when it's optimized and assertions are removed. -However, such a build is currently incompatible with users who build without -defining NDEBUG, and the lack of assertions makes it hard to debug problems in -user code. We recommend allowing users to install both optimized and debug -versions of LLVM in parallel. The following configure flags are relevant: -</p> - -<dl> - <dt><tt>--disable-assertions</tt></dt><dd>Builds LLVM with <tt>NDEBUG</tt> - defined. Changes the LLVM ABI. Also available by setting - <tt>DISABLE_ASSERTIONS=0|1</tt> in <tt>make</tt>'s environment. This defaults - to enabled regardless of the optimization setting, but it slows things - down.</dd> - - <dt><tt>--enable-debug-symbols</tt></dt><dd>Builds LLVM with <tt>-g</tt>. - Also available by setting <tt>DEBUG_SYMBOLS=0|1</tt> in <tt>make</tt>'s - environment. This defaults to disabled when optimizing, so you should turn it - back on to let users debug their programs.</dd> - - <dt><tt>--enable-optimized</tt></dt><dd>(For svn checkouts) Builds LLVM with - <tt>-O2</tt> and, by default, turns off debug symbols. Also available by - setting <tt>ENABLE_OPTIMIZED=0|1</tt> in <tt>make</tt>'s environment. This - defaults to enabled when not in a checkout.</dd> -</dl> -</div> - -<!--=========================================================================--> -<h2><a name="cxx-features">C++ Features</a></h2> -<!--=========================================================================--> -<div> - -<dl> - <dt>RTTI</dt><dd>LLVM disables RTTI by default. Add <tt>REQUIRES_RTTI=1</tt> - to your environment while running <tt>make</tt> to re-enable it. This will - allow users to build with RTTI enabled and still inherit from LLVM - classes.</dd> -</dl> -</div> - -<!--=========================================================================--> -<h2><a name="shared-library">Shared Library</a></h2> -<!--=========================================================================--> -<div> - -<p>Configure with <tt>--enable-shared</tt> to build -<tt>libLLVM-<var>major</var>.<var>minor</var>.(so|dylib)</tt> and link the tools -against it. This saves lots of binary size at the cost of some startup time. -</p> -</div> - -<!--=========================================================================--> -<h2><a name="deps">Dependencies</a></h2> -<!--=========================================================================--> -<div> - -<dl> -<dt><tt>--enable-libffi</tt></dt><dd>Depend on <a -href="http://sources.redhat.com/libffi/">libffi</a> to allow the LLVM -interpreter to call external functions.</dd> -<dt><tt>--with-oprofile</tt></dt><dd>Depend on <a -href="http://oprofile.sourceforge.net/doc/devel/index.html">libopagent</a> -(>=version 0.9.4) to let the LLVM JIT tell oprofile about function addresses and -line numbers.</dd> -</dl> -</div> - -<!-- *********************************************************************** --> -<hr> -<address> - <a href="http://jigsaw.w3.org/css-validator/check/referer"><img - src="http://jigsaw.w3.org/css-validator/images/vcss-blue" alt="Valid CSS"></a> - <a href="http://validator.w3.org/check/referer"><img - src="http://www.w3.org/Icons/valid-html401-blue" alt="Valid HTML 4.01"></a> - <a href="http://llvm.org/">The LLVM Compiler Infrastructure</a><br> - Last modified: $Date$ -</address> -</body> -</html> diff --git a/docs/Packaging.rst b/docs/Packaging.rst new file mode 100644 index 0000000000..6e74158d72 --- /dev/null +++ b/docs/Packaging.rst @@ -0,0 +1,75 @@ +.. _packaging: + +======================== +Advice on Packaging LLVM +======================== + +.. contents:: + :local: + +Overview +======== + +LLVM sets certain default configure options to make sure our developers don't +break things for constrained platforms. These settings are not optimal for most +desktop systems, and we hope that packagers (e.g., Redhat, Debian, MacPorts, +etc.) will tweak them. This document lists settings we suggest you tweak. + +LLVM's API changes with each release, so users are likely to want, for example, +both LLVM-2.6 and LLVM-2.7 installed at the same time to support apps developed +against each. + +Compile Flags +============= + +LLVM runs much more quickly when it's optimized and assertions are removed. +However, such a build is currently incompatible with users who build without +defining ``NDEBUG``, and the lack of assertions makes it hard to debug problems +in user code. We recommend allowing users to install both optimized and debug +versions of LLVM in parallel. The following configure flags are relevant: + +``--disable-assertions`` + Builds LLVM with ``NDEBUG`` defined. Changes the LLVM ABI. Also available + by setting ``DISABLE_ASSERTIONS=0|1`` in ``make``'s environment. This + defaults to enabled regardless of the optimization setting, but it slows + things down. + +``--enable-debug-symbols`` + Builds LLVM with ``-g``. Also available by setting ``DEBUG_SYMBOLS=0|1`` in + ``make``'s environment. This defaults to disabled when optimizing, so you + should turn it back on to let users debug their programs. + +``--enable-optimized`` + (For svn checkouts) Builds LLVM with ``-O2`` and, by default, turns off + debug symbols. Also available by setting ``ENABLE_OPTIMIZED=0|1`` in + ``make``'s environment. This defaults to enabled when not in a + checkout. + +C++ Features +============ + +RTTI + LLVM disables RTTI by default. Add ``REQUIRES_RTTI=1`` to your environment + while running ``make`` to re-enable it. This will allow users to build with + RTTI enabled and still inherit from LLVM classes. + +Shared Library +============== + +Configure with ``--enable-shared`` to build +``libLLVM-<major>.<minor>.(so|dylib)`` and link the tools against it. This +saves lots of binary size at the cost of some startup time. + +Dependencies +============ + +``--enable-libffi`` + Depend on `libffi <http://sources.redhat.com/libffi/>`_ to allow the LLVM + interpreter to call external functions. + +``--with-oprofile`` + + Depend on `libopagent + <http://oprofile.sourceforge.net/doc/devel/index.html>`_ (>=version 0.9.4) + to let the LLVM JIT tell oprofile about function addresses and line + numbers. diff --git a/docs/userguides.rst b/docs/userguides.rst index 57058ee0d7..f1267dc439 100644 --- a/docs/userguides.rst +++ b/docs/userguides.rst @@ -10,6 +10,7 @@ User Guides DeveloperPolicy FAQ Lexicon + Packaging * `The LLVM Getting Started Guide <GettingStarted.html>`_ @@ -67,7 +68,7 @@ User Guides Instructions for building the clang front-end from source. -* `Packaging guide <Packaging.html>`_ +* :ref:`packaging` Advice on packaging LLVM into a distribution. |