selftests/bpf: propagate LLVM toolchain into runqslower sub-make #10331
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The runqslower build invokes a nested make, but the selected LLVM
toolchain (via LLVM=-<version>) is not propagated. This causes the
sub-make to call the system-default 'clang' and 'llvm-strip' even when
a specific LLVM version is intended.
# LLVM=-20 V=1 make -C tools/testing/selftests/bpf
...
make -C tools/bpf/runqslower ...
clang -g -O2 --target=bpfel -I... -c runqslower.bpf.c -o runqslower.bpf.o && \
llvm-strip -g runqslower.bpf.o
/bin/sh: 1: clang: not found
(expected: clang-20 and llvm-strip-20)
Propagate CLANG and LLVM_STRIP to the sub-make to ensure LLVM version
consistency across all builds.
Signed-off-by: Hoyeon Lee <[email protected]>
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Pull request for series with
subject: selftests/bpf: propagate LLVM toolchain into runqslower sub-make
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=1025135