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authorGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2007-06-21 16:58:36 +0000
committerGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2007-06-21 16:58:36 +0000
commit92bfa8fda9aba6d0e8973d9ebd4b93faa89bed6a (patch)
tree41bfbdbe43484bd384896b5a82095ce256555dba /docs
parent701d2aea933b45b0c074c74ac89d85dcf55d2e4d (diff)
downloadbuildroot-92bfa8fda9aba6d0e8973d9ebd4b93faa89bed6a.tar.gz
buildroot-92bfa8fda9aba6d0e8973d9ebd4b93faa89bed6a.tar.bz2
- update docs to mention the new sysroot support.
Diffstat (limited to 'docs')
-rw-r--r--docs/buildroot.html18
1 files changed, 11 insertions, 7 deletions
diff --git a/docs/buildroot.html b/docs/buildroot.html
index f08e2ee8f9..6bddd31d69 100644
--- a/docs/buildroot.html
+++ b/docs/buildroot.html
@@ -362,7 +362,7 @@ $ make HOSTCXX=g++-4.3-HEAD HOSTCC=gcc-4.3-HEAD
default). This is where the cross-compilation toolchain will be
installed. If you want to use the same cross-compilation toolchain for
other purposes, such as compiling third-party applications, you can add
- <code>build_ARCH/staging_dir/bin</code> to your PATH, and then use
+ <code>build_ARCH/staging_dir/usr/bin</code> to your PATH, and then use
<code>arch-linux-gcc</code> to compile your application. In order to
setup this staging directory, it first removes it, and then it creates
various subdirectories and symlinks inside it.</li>
@@ -390,7 +390,7 @@ $ make HOSTCXX=g++-4.3-HEAD HOSTCC=gcc-4.3-HEAD
<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
+ is to add <code>build_ARCH/staging_dir/usr/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>
@@ -401,7 +401,7 @@ $ make HOSTCXX=g++-4.3-HEAD HOSTCC=gcc-4.3-HEAD
<code>~/buildroot/</code>) :</p>
<pre>
-export PATH=&quot;$PATH:~/buildroot/build_mips/staging_dir/bin/&quot;
+export PATH=&quot;$PATH:~/buildroot/build_mips/staging_dir/usr/bin/&quot;
</pre>
<p>Then you can simply do :</p>
@@ -410,12 +410,15 @@ export PATH=&quot;$PATH:~/buildroot/build_mips/staging_dir/bin/&quot;
mips-linux-gcc -o foo foo.c
</pre>
- <p><b>Important</b> : do not try to move the toolchain to an other
+ <p><b>Important</b> : do not try to move a gcc-3.x 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>
+ <p>If you are using a current gcc-4.x, then use --sysroot and -isysroot
+ since these toolchains have fully functional sysroot support. No
+ hardcoded paths do exist in these configurations.</p>
<h2><a name="toolchain_standalone" id="toolchain_standalone"></a>Using the
uClibc toolchain outside of buildroot</h2>
@@ -424,10 +427,11 @@ mips-linux-gcc -o foo foo.c
<code>build_ARCH/staging_dir/</code>. But sometimes, it may be useful to
install it somewhere else, so that it can be used to compile other programs
or by other users. Moving the <code>build_ARCH/staging_dir/</code>
- directory elsewhere is <b>not possible</b>, because they are some hardcoded
- paths in the toolchain configuration.</p>
+ directory elsewhere is <b>not possible if using gcc-3.x</b>, because they are some hardcoded
+ paths in the toolchain configuration. This works, thanks to sysroot support, with current,
+ stable gcc-4.x toolchains, of course.</p>
- <p>If you want to use the generated toolchain for other purposes,
+ <p>If you want to use the generated gcc-3.x toolchain for other purposes,
you can configure Buildroot to generate it elsewhere using the
option of the configuration tool : <code>Build options -&gt;
Toolchain and header file location</code>, which defaults to