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selftests/nolibc: run-tests.sh: detect missing toolchain

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The script tries to resolve the path to the current toolchain using
realpath, which fails in case it's not installed, and since it's run
under -e, it doesn't have the opportunity to display a help message.
Let's detect the absence of the required toolchain before running that
command and provide a friendlier message when this happens.

Link: https://lore.kernel.org/all/ZtlQbpgpn9OQOPyI@1wt.eu/
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
This commit is contained in:
Willy Tarreau 2024-09-08 12:00:12 +02:00 committed by Thomas Weißschuh
parent 40384c840e
commit 4b92b79c56
1 changed files with 7 additions and 0 deletions
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7
tools/testing/selftests/nolibc/run-tests.sh
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@ -143,6 +143,13 @@ test_arch() {
arch=$1
ct_arch=$(crosstool_arch "$arch")
ct_abi=$(crosstool_abi "$1")
if [ ! -d "${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}/bin/." ]; then
echo "No toolchain found in ${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}."
echo "Did you install the toolchains or set the correct arch ? Rerun with -h for help."
return 1
fi
cross_compile=$(realpath "${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}/bin/${ct_arch}-${ct_abi}-")
build_dir="${build_location}/${arch}"
if [ "$werror" -ne 0 ]; then