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Groups > linux.kernel > #1705482
| From | Joel Fernandes <joelaf@google.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH RFC v2 5/5] samples/bpf: Add documentation on cross compilation |
| Date | 2017-08-07 15:10 +0200 |
| Message-ID | <ubPXc-bV-25@gated-at.bofh.it> (permalink) |
| References | <ubPXc-bV-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Signed-off-by: Joel Fernandes <joelaf@google.com> --- samples/bpf/README.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/samples/bpf/README.rst b/samples/bpf/README.rst index 79f9a58f1872..2b906127ef54 100644 --- a/samples/bpf/README.rst +++ b/samples/bpf/README.rst @@ -64,3 +64,13 @@ It is also possible to point make to the newly compiled 'llc' or 'clang' command via redefining LLC or CLANG on the make command line:: make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang + +Cross compiling samples +----------------------- +Inorder to cross-compile, say for arm64 targets, export CROSS_COMPILE and ARCH +environment variables before calling make. This will direct make to build +samples for the cross target. + +export ARCH=arm64 +export CROSS_COMPILE="aarch64-linux-gnu-" +make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang -- 2.14.0.rc1.383.gd1ce394fe2-goog
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[PATCH RFC v2 5/5] samples/bpf: Add documentation on cross compilation Joel Fernandes <joelaf@google.com> - 2017-08-07 15:10 +0200
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