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Diffstat (limited to 'docs/buildroot-documentation.html')
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1 files changed, 47 insertions, 10 deletions
diff --git a/docs/buildroot-documentation.html b/docs/buildroot-documentation.html index 23c79ce23..35b824a7c 100644 --- a/docs/buildroot-documentation.html +++ b/docs/buildroot-documentation.html @@ -18,7 +18,7 @@ <p>Usage and documentation by Thomas Petazzoni. Contributions from Karsten Kruse, Ned Ludd, Martin Herren.</p> - <p><small>Last modification : $Date: 2004/12/27 19:01:52 $</small></p> + <p><small>Last modification : $Id: buildroot-documentation.html,v 1.2 2004/12/28 19:15:20 andersen Exp $</small></p> <ul> <li><a href="#about">About Buildroot</a></li> @@ -30,8 +30,9 @@ <li><a href="#custom_uclibc">Customizing the uClibc configuration</a></li> <li><a href="#buildroot_innards">How Buildroot works</a></li> - <li><a href="#toolchain_standalone">Using the uClibc toolchain without - Buildroot</a></li> + <li><a href="#using_toolchain">Using the uClibc toolchain</a></li> + <li><a href="#toolchain_standalone">Using the uClibc toolchain + outside of Buildroot</a></li> <li><a href="#downloaded_packages">Location of downloaded packages</a></li> <li><a href="#add_software">Extending Buildroot with more Software</a></li> @@ -246,7 +247,7 @@ <code>toolchain/uClibc/uClibc.config-locale</code>. The former is used if you haven't selected locale support in Buildroot configuration, and the latter is used if you have selected - locale support. + locale support.</li> <li>Run the compilation of Buildroot again</li> @@ -262,7 +263,7 @@ <p>As said above, Buildroot is basically a set of Makefiles that download, configure and compiles software with the correct options. It also includes - some patches for various softwares, mainly the ones involved in the + some patches for various software, mainly the ones involved in the cross-compilation tool chain (<code>gcc</code>, <code>binutils</code> and uClibc).</p> @@ -277,13 +278,13 @@ sub-directory per tool.</li> <li><b>toolchain</b> (in the <code>toolchain/</code> directory) contains - the Makefiles and associated files for all softwares related to the + the Makefiles and associated files for all software related to the cross-compilation toolchain : <code>binutils</code>, <code>ccache</code>, <code>gcc</code>, <code>gdb</code>, <code>kernel-headers</code> and <code>uClibc</code>.</li> <li><b>target</b> (in the <code>target</code> directory) contains the - Makefiles and associated files for softwares related to the generation of + Makefiles and associated files for software related to the generation of the target root filesystem image. Four types of filesystems are supported : ext2, jffs2, cramfs and squashfs. For each of them, there's a sub-directory with the required files. There is also a @@ -347,8 +348,44 @@ this global variable, so that the needed tools gets compiled.</li> </ol> + <h2><a name="using_toolchain" id="using_toolchain"></a>Using the + uClibc toolchain</h2> + + <p>You may want to compile your own programs or other software + that are not packaged in Buildroot. In order to do this, you can + use the toolchain that was generated by Buildroot.</p> + + <p>The toolchain generated by Buildroot by default is located in + <code>build_ARCH/staging_dir/</code>. The simplest way to use it + is to add <code>build_ARCH/staging_dir/bin/</code> to your PATH + environnement variable, and then to use + <code>arch-linux-gcc</code>, <code>arch-linux-objdump</code>, + <code>arch-linux-ld</code>, etc.</p> + + <p>For example, you may add the following to your + <code>.bashrc</code> (considering you're building for the MIPS + architecture and that Buildroot is located in + <code>~/buildroot/</code>) :</p> + +<pre> +export PATH=$PATH:~/buildroot/build_mips/bin/ +</pre> + + <p>Then you can simply do :</p> + +<pre> +mips-linux-gcc -o foo foo.c +</pre> + + <p><b>Important</b> : do not try to move the toolchain to an other + directory, it won't work. There are some hard-coded paths in the + <i>gcc</i> configuration. If the default toolchain directory + doesn't suit your needs, please refer to the <a + href="#toolchain_standalone">Using the uClibc toolchain outside of + buildroot</a> section.</p> + <h2><a name="toolchain_standalone" id="toolchain_standalone"></a>Using the - uClibc toolchain without buildroot</h2> + uClibc toolchain outside of buildroot</h2> <p>By default, the cross-compilation toolchain is generated inside <code>build_ARCH/staging_dir/</code>. But sometimes, it may be useful to @@ -412,7 +449,7 @@ config BR2_PACKAGE_FOO fact, the name of the software is the the identifier of the target inside the real <i>Makefile</i> that will do everything (download, compile, install), and that we study below. Back to - <code>Makefile.in</code>, here is an example : + <code>Makefile.in</code>, here is an example :</p> <pre> ifeq ($(strip $(BR2_PACKAGE_FOO)),y) @@ -486,7 +523,7 @@ endif </pre> <p>First of all, this <i>Makefile</i> example works for a single - binary software. For other softwares such as libraries or more + binary software. For other software such as libraries or more complex stuff with multiple binaries, it should be adapted. Look at the other <code>*.mk</code> files in the <code>package</code> directory.</p> |