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Check for lldb existences #62671

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Jul 18, 2019
Merged

Check for lldb existences #62671

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33 changes: 19 additions & 14 deletions src/etc/rust-lldb
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Original file line number Diff line number Diff line change
Expand Up @@ -3,25 +3,30 @@
# Exit if anything fails
set -e

# Find out where to look for the pretty printer Python module
RUSTC_SYSROOT=`rustc --print sysroot`

# Find the host triple so we can find lldb in rustlib.
host=`rustc -vV | sed -n -e 's/^host: //p'`
host=$(rustc -vV | sed -n -e 's/^host: //p')

# Find out where to look for the pretty printer Python module
RUSTC_SYSROOT=$(rustc --print sysroot)
RUST_LLDB="$RUSTC_SYSROOT/lib/rustlib/$host/bin/lldb"

lldb=lldb
if [ -f "$RUSTC_SYSROOT/lib/rustlib/$host/bin/lldb" ]; then
lldb="$RUSTC_SYSROOT/lib/rustlib/$host/bin/lldb"
if [ -f "$RUST_LLDB" ]; then
lldb="$RUST_LLDB"
else
LLDB_VERSION=`"$lldb" --version 2>/dev/null | head -1 | cut -d. -f1`
if ! command -v "$lldb" > /dev/null; then
echo "$lldb not found! Please install it." >&2
exit 1
else
LLDB_VERSION=$("$lldb" --version | cut -d ' ' -f3)

if [ "$LLDB_VERSION" = "lldb-350" ]
then
echo "***"
echo \
"WARNING: This version of LLDB has known issues with Rust and cannot \
display the contents of local variables!"
echo "***"
if [ "$LLDB_VERSION" = "3.5.0" ]; then
cat << EOF >&2
***
WARNING: This version of LLDB has known issues with Rust and cannot display the contents of local variables!
***
EOF
fi
fi
fi

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