diff options
Diffstat (limited to 'docs/buildroot.html')
| -rw-r--r-- | docs/buildroot.html | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/docs/buildroot.html b/docs/buildroot.html index f08e2ee8f..6bddd31d6 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="$PATH:~/buildroot/build_mips/staging_dir/bin/" +export PATH="$PATH:~/buildroot/build_mips/staging_dir/usr/bin/" </pre> <p>Then you can simply do :</p> @@ -410,12 +410,15 @@ export PATH="$PATH:~/buildroot/build_mips/staging_dir/bin/" 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 -> Toolchain and header file location</code>, which defaults to |