Compiled on RPI3B with 6.1.25-piCore-v7

Source Code:
https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.7/lld-15.0.7.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.7/libunwind-15.0.7.src.tar.xz
https://anduin.linuxfromscratch.org/BLFS/llvm/llvm-cmake-15.0.7.src.tar.xz

Dependencies:
clang
cmake
git
llvm15-dev
ninja
python3.11

Commands:

sudo busybox cp /tmp/tcloop/llvm15-dev/usr/local/bin/llvm-config /usr/local/bin/llvm-config

tar -xf lld-15.0.7.src.tar.xz
tar -xf libunwind-15.0.7.src.tar.xz
tar -xf llvm-cmake-15.0.7.src.tar.xz

cp -r libunwind-15.0.7.src/include/mach-o lld-15.0.7.src/MachO/
mv cmake-15.0.7.src/ cmake
cd lld-15.0.7.src/ && mkdir build && cd build

# -Os is passed by -DCMAKE_BUILD_TYPE=MinSizeRel
# -Wno-dev tells CMAKE to ignore policies unset
time cmake -LAH -Wno-dev -DCMAKE_BUILD_TYPE=MinSizeRel \
 -DCMAKE_C_FLAGS="-march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -pipe" \
 -DCMAKE_CXX_FLAGS="-march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -pipe" \
 -DLLVM_ENABLE_PROJECT=lld -DCMAKE_INSTALL_PREFIX=/usr/local -G Ninja ..

time ninja -j4
real	38m 50.02s
user	1h 13m 04s
sys	5m 43.41s

DESTDIR=/tmp/packing-lld ninja install

llvm-strip --strip-unneeded /tmp/packing-lld/usr/local/bin/lld
llvm-strip --strip-debug /tmp/packing-lld/usr/local/lib/*.a