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</pre></td>
<td class='lines'><pre><code><style>pre { line-height: 125%; margin: 0; }
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<span class="k">config</span> NATIVE_TOOLCHAIN
	<span class="nb">bool</span>
	<span class="k">prompt</span> <span class="s2">&quot;Use host&#39;s toolchain&quot;</span> <span class="k">if</span> DEVEL <span class="o">&amp;&amp;</span> BROKEN
	<span class="k">default</span> n
	<span class="k">help</span>
<span class="sd">		If enabled, OpenWrt will compile using your existing toolchain instead of compiling one</span>

<span class="k">menuconfig</span> TOOLCHAINOPTS
	<span class="nb">bool</span> <span class="s2">&quot;Toolchain Options&quot;</span> <span class="k">if</span> DEVEL
	depends <span class="o">!</span>NATIVE_TOOLCHAIN

<span class="k">source</span> <span class="s2">&quot;toolchain/binutils/Config.in&quot;</span>
<span class="k">source</span> <span class="s2">&quot;toolchain/gcc/Config.in&quot;</span>

<span class="k">config</span> GDB
	<span class="nb">bool</span>
	<span class="k">prompt</span> <span class="s2">&quot;Build gdb&quot;</span> <span class="k">if</span> TOOLCHAINOPTS
	<span class="k">default</span> n
	<span class="k">help</span>
<span class="sd">		Enable if you want to build the gdb</span>

<span class="k">config</span> LARGEFILE
	<span class="nb">bool</span>
	<span class="k">prompt</span> <span class="s2">&quot;Enable large file (files &gt; 2 GB) support?&quot;</span> <span class="k">if</span> TOOLCHAINOPTS
	<span class="k">depends on</span> <span class="o">!</span>cris
	<span class="k">default</span> y
	<span class="k">help</span>
<span class="sd">		Enable large file (files &gt; 2 GB) support</span>

<span class="k">config</span> C99_MATH
	<span class="nb">bool</span>
	<span class="k">prompt</span> <span class="s2">&quot;Enable full C99 math support?&quot;</span> <span class="k">if</span> TOOLCHAINOPTS
	<span class="k">default</span> n
	<span class="k">help</span>
<span class="sd">		Enable if you need full C99 math in libm</span>

<span class="k">config</span> SOFT_FLOAT
	<span class="nb">bool</span>
	<span class="k">prompt</span> <span class="s2">&quot;Use software floating point by default&quot;</span> <span class="k">if</span> TOOLCHAINOPTS
	<span class="k">default</span> n
	<span class="k">depends on</span> arm <span class="o">||</span> mips <span class="o">||</span> powerpc
	<span class="k">help</span>
<span class="sd">	  If your target CPU does not have a Floating Point Unit (FPU) or a</span>
<span class="sd">	  kernel FPU emulator, but you still wish to support floating point</span>
<span class="sd">	  functions, then everything will need to be compiled with soft floating</span>
<span class="sd">	  point support (-msoft-float).</span>

<span class="sd">	  Most people will answer N.</span>

<span class="k">config</span> TARGET_OPTIMIZATION
	<span class="nb">string</span>
	<span class="k">prompt</span> <span class="s2">&quot;Target Optimizations&quot;</span> <span class="k">if</span> TOOLCHAINOPTS
	<span class="k">default</span> <span class="s2">&quot;-Os -pipe -march=i486 -funit-at-a-time&quot;</span> <span class="k">if</span> i386
	<span class="k">default</span> <span class="s2">&quot;-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time&quot;</span> <span class="k">if</span> mipsel <span class="o">||</span> mips
	<span class="k">default</span> <span class="s2">&quot;-Os -pipe -mcpu=xscale -funit-at-a-time&quot;</span> <span class="k">if</span> armeb
	<span class="k">default</span> <span class="s2">&quot;-Os -pipe -funit-at-a-time&quot;</span>
	<span class="k">help</span>
<span class="sd">	  Optimizations to use when building for the target host.</span>

<span class="k">source</span> <span class="s2">&quot;toolchain/gcc/Config.version&quot;</span>
</pre></div>
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