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| author | Misha Brukman <brukman+llvm@gmail.com> | 2009-07-01 13:51:59 +0000 |
|---|---|---|
| committer | Misha Brukman <brukman+llvm@gmail.com> | 2009-07-01 13:51:59 +0000 |
| commit | 38bc2d03fdf958a8fa61fbc56c9b1f0037ed0bbf (patch) | |
| tree | 8ea7e33c157c245c35c4f13b5021f42a3f2d03f3 | |
| parent | 498c2903e28b56b73b8056335ad7f1eb6347b8ed (diff) | |
| download | external_llvm-38bc2d03fdf958a8fa61fbc56c9b1f0037ed0bbf.zip external_llvm-38bc2d03fdf958a8fa61fbc56c9b1f0037ed0bbf.tar.gz external_llvm-38bc2d03fdf958a8fa61fbc56c9b1f0037ed0bbf.tar.bz2 | |
Added step-by-step directions on how to use the script to build and install an
x86_64/Linux -> ARM/Linux crosstool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74603 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | utils/crosstool/ARM/README | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/utils/crosstool/ARM/README b/utils/crosstool/ARM/README new file mode 100644 index 0000000..ba58583 --- /dev/null +++ b/utils/crosstool/ARM/README @@ -0,0 +1,37 @@ +HOWTO create an LLVM crosstool from x86_64/Linux to ARM/Linux +============================================================= + +1. % llvm/utils/crosstool/create-snapshots.sh + + This will create llvm-[REV_L].tar.bz2 and llvm-gcc-4.2-[REV_G].tar.bz2, + where: + REV_L is the revision at which "llvm" was checked out, and + REV_G is the revision at which "llvm-gcc-4.2" was checked out + + Note that REV_L might REV_G might not be the same revision. + +2. Download CodeSourcery toolchain. The exact location depends on your + $CROSS_TARGET but the script will tell you what the location of the file is + if you run it without having the file available. + + For example, if you're using $CROSS_TARGET == "arm-none-linux-gnueabi" then + you need to download: + + 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 + + NOTE: simply changing $CROSS_TARGET and modifying the URL accordingly will + not work -- you'll need to go to http://www.codesourcery.com and find the + correct file, as the release number in the file will also be different (e.g., + in the file above, the release number is "51"). + +3. You can override most values in the script without modifying it, e.g. + $INSTALL_ROOT (if you want to install in directory other than /usr/local). + + Run the script as: + + % env INSTALL_ROOT=[dir to install in] \ + CODE_SOURCERY_PKG_PATH=[dir where you downloaded CodeSourcery tarball] \ + LLVM_PKG_PATH=[dir where you stored your LLVM and LLVM-GCC snapshots] \ + LLVM_SVN_REV=${REV_L} \ + LLVMGCC_SVN_REV=${REV_G} \ + build-install-linux.sh |