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Improve lldb discovery for tests #3855

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Apr 26, 2023
Merged

Improve lldb discovery for tests #3855

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40 changes: 28 additions & 12 deletions eng/build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -251,19 +251,35 @@ fi
if [[ "$__Test" == 1 ]]; then
if [[ "$__CrossBuild" == 0 ]]; then
if [[ -z "$LLDB_PATH" ]]; then
export LLDB_PATH="$(which lldb-3.9.1 2> /dev/null)"
if [[ -z "$LLDB_PATH" ]]; then
export LLDB_PATH="$(which lldb-3.9 2> /dev/null)"
if [[ -z "$LLDB_PATH" ]]; then
export LLDB_PATH="$(which lldb-4.0 2> /dev/null)"
if [[ -z "$LLDB_PATH" ]]; then
export LLDB_PATH="$(which lldb-5.0 2> /dev/null)"
if [[ -z "$LLDB_PATH" ]]; then
export LLDB_PATH="$(which lldb 2> /dev/null)"
fi
fi
fi
check_version_exists() {
desired_version=-1

# Set up the environment to be used for building with the desired debugger.
if command -v "lldb-$1.$2" > /dev/null; then
desired_version="-$1.$2"
elif command -v "lldb$1$2" > /dev/null; then
desired_version="$1$2"
elif command -v "lldb-$1$2" > /dev/null; then
desired_version="-$1$2"
fi

echo "$desired_version"
}

# note: clang versions higher than 6 do not have minor version in file name, if it is zero.
versions="16 15 14 13 12 11 10 9 8 7 6.0 5.0 4.0 3.9"
for version in $versions; do
_major="${version%%.*}"
[ -z "${version##*.*}" ] && _minor="${version#*.}"
desired_version="$(check_version_exists "$_major" "$_minor")"
if [ "$desired_version" != "-1" ]; then majorVersion="$_major"; break; fi
done

if [ -z "$majorVersion" ]; then
export LLDB_PATH="$(command -v "lldb")"
else
export LLDB_PATH="$(command -v "lldb$desired_version")"
fi
fi

if [[ -z "$GDB_PATH" ]]; then
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