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With this change, I was able to build and test for aarch64 & riscv64 on x86-64 host as follow: Pre-requisite: - cross build toolchain for aarch64 ``` $ sudo apt install binutils-aarch64-linux-gnu gcc-aarch64-linux-gnu g++-aarch64-linux-gnu ``` - cross build toolchain for riscv64 ``` $ sudo apt install binutils-riscv64-linux-gnu gcc-riscv64-linux-gnu g++-riscv64-linux-gnu ``` - qemu user: ``` $ sudo apt install qemu qemu-user qemu-user-static ``` CMake invocation: ``` $ cmake ../runtimes -GNinja -DLLVM_ENABLE_RUNTIMES=libc -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DLIBC_TARGET_TRIPLE=<aarch64-linux-gnu/riscv64-linux-gnu> -DCMAKE_BUILD_TYPE=Release -DLIBC_TEST_COMPILE_OPTIONS_DEFAULT="-static" $ ninja libc $ ninja check-libc ```
LLVM libc ========= This directory and its subdirectories contain source code for llvm-libc, a retargetable implementation of the C standard library. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.