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author | Chad Rosier <mcrosier@apple.com> | 2012-02-26 22:12:59 +0000 |
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committer | Chad Rosier <mcrosier@apple.com> | 2012-02-26 22:12:59 +0000 |
commit | 1cdc9fbb9589c54ed0d154e50d9fe5f579420a78 (patch) | |
tree | 50671fbd10a7c8b2c6febe56aba1d06b3afba889 /docs | |
parent | 483454f2f1a02deb9b9bee306afddde38b6d8815 (diff) | |
download | external_llvm-1cdc9fbb9589c54ed0d154e50d9fe5f579420a78.zip external_llvm-1cdc9fbb9589c54ed0d154e50d9fe5f579420a78.tar.gz external_llvm-1cdc9fbb9589c54ed0d154e50d9fe5f579420a78.tar.bz2 |
Cleanup the LLVM Getting Started page.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151505 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r-- | docs/GettingStarted.html | 118 |
1 files changed, 64 insertions, 54 deletions
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html index 9db9bb2..c4fd3a1 100644 --- a/docs/GettingStarted.html +++ b/docs/GettingStarted.html @@ -108,11 +108,9 @@ and performance. <div> -<p>The LLVM Getting Started documentation is <b>wildly</b> out of date and is -in dire need of an update. Most notably, Clang has replaced the GCC front end -entirely and building with the LLVM GCC front end is no longer supported. -The Clang <a href="http://clang.llvm.org/get_started.html">Getting Started</a> -page might be a better place to start.</p> +<p>The LLVM Getting Started documentation may be out of date. So, the Clang +<a href="http://clang.llvm.org/get_started.html">Getting Started</a> page might +also be a good place to start.</p> <p>Here's the short story for getting up and running quickly with LLVM:</p> @@ -120,69 +118,81 @@ page might be a better place to start.</p> <li>Read the documentation.</li> <li>Read the documentation.</li> <li>Remember that you were warned twice about reading the documentation.</li> - <li>Install the llvm-gcc-4.2 front end if you intend to compile C or C++ - (see <a href="#installcf">Install the GCC Front End</a> for details): - <ol> - <li><tt>cd <i>where-you-want-the-C-front-end-to-live</i></tt></li> - <li><tt>gunzip --stdout llvm-gcc-4.2-<i>version</i>-<i>platform</i>.tar.gz | tar -xvf -</tt></li> - <li><tt><i>install-binutils-binary-from-MinGW</i></tt> (Windows only)</li> - <li>Note: If the binary extension is "<tt>.bz</tt>" use <tt>bunzip2</tt> instead of <tt>gunzip</tt>.</li> - <li>Note: On Windows, use <a href="http://www.7-zip.org/">7-Zip</a> or a similar archiving tool.</li> - <li>Add <tt>llvm-gcc</tt>'s "<tt>bin</tt>" directory to your <tt>PATH</tt> environment variable.</li> - </ol></li> - <li>Get the LLVM Source Code + <li>Checkout LLVM: <ul> - <li>With the distributed files (or use <a href="#checkout">SVN</a>): - <ol> - <li><tt>cd <i>where-you-want-llvm-to-live</i></tt> - <li><tt>gunzip --stdout llvm-<i>version</i>.tar.gz | tar -xvf -</tt> - </ol></li> - - </ul></li> + <li><tt>cd <i>where-you-want-llvm-to-live</i></tt> + <li><tt>svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm</tt></li> + </ul> + </li> - <li><b>[Optional]</b> Get the Test Suite Source Code + <li>Checkout Clang: <ul> - <li>With the distributed files (or use <a href="#checkout">SVN</a>): - <ol> - <li><tt>cd <i>where-you-want-llvm-to-live</i></tt> - <li><tt>cd llvm/projects</tt> - <li><tt>gunzip --stdout llvm-test-<i>version</i>.tar.gz | tar -xvf -</tt> - <li><tt>mv llvm-test-<i>version</i> test-suite</tt> - </ol></li> + <li><tt>cd <i>where-you-want-llvm-to-live</i></tt> + <li><tt>cd llvm/tools</tt> + <li><tt>svn co http://llvm.org/svn/llvm-project/cfe/trunk clang</tt></li> + </ul> + </li> - </ul></li> + <li>Checkout Compiler-RT: + <ul> + <li><tt>cd <i>where-you-want-llvm-to-live</i></tt> + <li><tt>cd llvm/projects</tt> + <li><tt>svn co http://llvm.org/svn/llvm-project/compiler-rt/trunk + compiler-rt</tt></li> + </ul> + </li> + <li>Get the Test Suite Source Code <b>[Optional]</b> + <ul> + <li><tt>cd <i>where-you-want-llvm-to-live</i></tt> + <li><tt>cd llvm/projects</tt> + <li><tt>svn co http://llvm.org/svn/llvm-project/test-suite/trunk test-suite</tt></li> + </ul> + </li> - <li>Configure the LLVM Build Environment - <ol> + <li>Configure and build LLVM and Clang: + <ul> <li><tt>cd <i>where-you-want-to-build-llvm</i></tt></li> - <li><tt><i>/path/to/llvm/</i>configure [options]</tt><br> + <li><tt>mkdir build</tt> (for building without polluting the source dir)</li> + <li><tt>cd build</tt></li> + <li><tt>../llvm/configure [options]</tt></li> Some common options: <ul> - <li><tt>--prefix=<i>directory</i></tt> - <p>Specify for <i>directory</i> the full pathname of where you + <li><tt>--prefix=<i>directory</i></tt> - + Specify for <i>directory</i> the full pathname of where you want the LLVM tools and libraries to be installed (default - <tt>/usr/local</tt>).</p></li> - <li><tt>--with-llvmgccdir=<i>directory</i></tt> - <p>Optionally, specify for <i>directory</i> the full pathname of the - C/C++ front end installation to use with this LLVM configuration. If - not specified, the PATH will be searched. This is only needed if you - want to run test-suite or do some special kinds of LLVM builds.</p></li> - <li><tt>--enable-spec2000=<i>directory</i></tt> - <p>Enable the SPEC2000 benchmarks for testing. The SPEC2000 - benchmarks should be available in - <tt><i>directory</i></tt>.</p></li> + <tt>/usr/local</tt>).</li> </ul> - </ol></li> - <li>Build the LLVM Suite: - <ol> - <li><tt>gmake -k |& tee gnumake.out - # this is csh or tcsh syntax</tt></li> - <li>If you get an "internal compiler error (ICE)" or test failures, see - <a href="#brokengcc">below</a>.</li> + <ul> + <li><tt>--enable-optimized</tt> - + Compile with optimizations enabled (default is NO).</li> + </ul> + + <ul> + <li><tt>--enable-assertions</tt> - + Compile with assertion checks enabled (default is YES).</li> + </ul> + + <li><tt>make [-j]</tt> - The -j specifies the number of jobs (commands) to + run simultaneously. This builds both LLVM and Clang for Debug+Asserts mode. + The --enabled-optimized configure option is used to specify a Release build.</li> + <li><tt>make check-all</tt> - + This run the regression tests to ensure everything is in working order.</li> + <li><tt>make update</tt> - + This command is used to update all the svn repositories at once, rather then + having to <tt>cd</tt> into the individual repositories and running + <tt>svn update</tt>.</li> + <li>It is also possible to use CMake instead of the makefiles. With CMake + it is also possible to generate project files for several IDEs: Eclipse + CDT4, CodeBlocks, Qt-Creator (use the CodeBlocks generator), KDevelop3.</li> + <li>If you get an "internal compiler error (ICE)" or test failures, see + <a href="#brokengcc">below</a>.</li> + + </ul> + </li> </ol> </ol> |