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built by crossdev won't interfere with the host's native toolchain.
Link Here
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Certain environment variables used by the Gentoo toolchain and Portage can |
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Certain environment variables used by the Gentoo toolchain and Portage can |
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thoroughly confuse developers inexperienced with cross development. The |
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thoroughly confuse developers inexperienced with cross development. The |
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following table explains some tricky variables and provides sample values based |
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following table explains some tricky variables and provides sample values based |
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on the cross development examples presented in this guide. See the <uri |
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on the cross development examples presented in this guide. See <uri |
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link="#terminology">More Terminology and Variables</uri> for more |
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link="#terminology">More Terminology and Variables</uri> for more |
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unusual variables and related concepts. |
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unusual variables and related concepts. |
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</p> |
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</p> |
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PDA we wanted to develop for, the above table would look like:
Link Here
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machine from the one it was compiled on (CBUILD != CHOST && CHOST != CTARGET) |
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machine from the one it was compiled on (CBUILD != CHOST && CHOST != CTARGET) |
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</dd> |
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</dd> |
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<dt><c>CBUILD: build system</c></dt> |
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<dd>The system type you compile binaries on</dd> |
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<dt><c>CHOST: host system</c></dt> |
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<dd>The system type you execute binaries on</dd> |
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<dt><c>CTARGET: target system</c></dt> |
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<dd>The system type you compile binaries for</dd> |
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<dt><c>sysroot: system root</c></dt> |
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<dt><c>sysroot: system root</c></dt> |
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<dd>The root directory a compiler uses to find its standard headers and libraries. Sometimes a compiler wants more than just standard headers and libraries in this directory, as though they were "standard" too. We'll explain how to resolve this when it happens in future chapters.</dd> |
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<dd>The root directory a compiler uses to find its standard headers and libraries. Sometimes a compiler wants more than just standard headers and libraries in this directory, as though they were "standard" too. We'll explain how to resolve this when it happens in future chapters.</dd> |
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PDA we wanted to develop for, the above table would look like:
Link Here
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<dt><c>CRT</c></dt> |
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<dt><c>CRT</c></dt> |
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<dd>C RunTime<!-- what does this have to do with crossdev? --></dd> |
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<dd>C RunTime<!-- what does this have to do with crossdev? --></dd> |
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<dt>Tuple</dt> |
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<dt><c>Tuple</c></dt> |
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<dd>For crossdev, this is defined as a string in the <c>ARCH-VENDOR-OS-LIBC</c> format. See <c>crossdev -t help</c> for information on how exactly this string can be completed.</dd> |
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<dd>For crossdev, this is defined as a string in the <c>ARCH-VENDOR-OS-LIBC</c> format. See <c>crossdev -t help</c> for information on how exactly this string can be completed.</dd> |
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</dl> |
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</dl> |
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