[kvm-unit-tests PATCH v3 5/5] README: Add cross and clang recipes
From: Andrew Jones <hidden>
Date: 2024-09-11 09:15:09
Also in:
kvm, kvm-riscv, kvmarm, linux-s390
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add configure command line examples for cross-compiling, for compiling with clang, and for cross-compiling with clang. Signed-off-by: Andrew Jones <redacted> --- README.md | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/README.md b/README.md
index 2d6f7db5605c..be07dc28a094 100644
--- a/README.md
+++ b/README.md@@ -17,6 +17,28 @@ in this directory. Test images are created in ./ARCH/\*.flat NOTE: GCC cross-compiler is required for [build on macOS](README.macOS.md). +## Cross-compiling + +A cross compiler may be configured by specifying a cross prefix. For example, +for arm64 + + ./configure --arch=arm64 --cross-prefix=aarch64-linux-gnu- + make + +## clang + +clang may be used as an alternative to gcc. + + ./configure --cc=clang + make + +clang may also be used with cross binutils when cross-compiling. For example, +for riscv64 + + ./configure --arch=riscv64 --cc=clang --cflags='--target=riscv64' \ + --cross-prefix=riscv64-linux-gnu- + make + ## Standalone tests The tests can be built as standalone. To create and use standalone tests do:
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2.46.0