# Non-stable and distributions' versions may have a version suffix, e.g. `-dev`.
rust_compiler_version=$( \
LC_ALL=C "$RUSTC" --version 2>/dev/null \
- | head -n 1 \
- | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' \
+ | sed -nE '1s:.*rustc ([0-9]+\.[0-9]+\.[0-9]+).*:\1:p'
)
rust_compiler_min_version=$($min_tool_version rustc)
rust_compiler_cversion=$(get_canonical_version $rust_compiler_version)
# Non-stable and distributions' versions may have a version suffix, e.g. `-dev`.
rust_bindings_generator_version=$( \
LC_ALL=C "$BINDGEN" --version 2>/dev/null \
- | head -n 1 \
- | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' \
+ | sed -nE '1s:.*bindgen ([0-9]+\.[0-9]+\.[0-9]+).*:\1:p'
)
rust_bindings_generator_min_version=$($min_tool_version bindgen)
rust_bindings_generator_cversion=$(get_canonical_version $rust_bindings_generator_version)
# `bindgen` returned successfully, thus use the output to check that the version
# of the `libclang` found by the Rust bindings generator is suitable.
+#
+# Unlike other version checks, note that this one does not necessarily appear
+# in the first line of the output, thus no `sed` address is provided.
bindgen_libclang_version=$( \
echo "$bindgen_libclang_output" \
| sed -nE 's:.*clang version ([0-9]+\.[0-9]+\.[0-9]+).*:\1:p'