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38 lines
1.7 KiB
Plaintext
38 lines
1.7 KiB
Plaintext
HOWTO create an LLVM crosstool from x86_64/Linux to ARM/Linux
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=============================================================
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1. % llvm/utils/crosstool/create-snapshots.sh
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This will create llvm-[REV_L].tar.bz2 and llvm-gcc-4.2-[REV_G].tar.bz2,
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where:
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REV_L is the revision at which "llvm" was checked out, and
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REV_G is the revision at which "llvm-gcc-4.2" was checked out
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Note that REV_L might REV_G might not be the same revision.
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2. Download CodeSourcery toolchain. The exact location depends on your
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$CROSS_TARGET but the script will tell you what the location of the file is
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if you run it without having the file available.
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For example, if you're using $CROSS_TARGET == "arm-none-linux-gnueabi" then
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you need to download:
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http://www.codesourcery.com/sgpp/lite/arm/portal/package1787/public/arm-none-linux-gnueabi/arm-2007q3-51-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
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NOTE: simply changing $CROSS_TARGET and modifying the URL accordingly will
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not work -- you'll need to go to http://www.codesourcery.com and find the
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correct file, as the release number in the file will also be different (e.g.,
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in the file above, the release number is "51").
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3. You can override most values in the script without modifying it, e.g.
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$INSTALL_ROOT (if you want to install in directory other than /usr/local).
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Run the script as:
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% env INSTALL_ROOT=[dir to install in] \
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CODE_SOURCERY_PKG_PATH=[dir where you downloaded CodeSourcery tarball] \
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LLVM_PKG_PATH=[dir where you stored your LLVM and LLVM-GCC snapshots] \
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LLVM_SVN_REV=${REV_L} \
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LLVMGCC_SVN_REV=${REV_G} \
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build-install-linux.sh
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