| # SPDX-License-Identifier: GPL-2.0 |
| # Print the C compiler name and its version in a 5 or 6-digit form. |
| # Also, perform the minimum version check. |
| # Print the C compiler name and some version components. |
| cat <<- EOF | "$@" -E -P -x c - 2>/dev/null |
| Clang __clang_major__ __clang_minor__ __clang_patchlevel__ |
| GCC __GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__ |
| # Convert the version string x.y.z to a canonical 5 or 6-digit form. |
| echo $((10000 * $1 + 100 * $2 + $3)) |
| # $@ instead of $1 because multiple words might be given, e.g. CC="ccache gcc". |
| set -- $(get_c_compiler_info "$@") |
| min_tool_version=$(dirname $0)/min-tool-version.sh |
| min_version=$($min_tool_version gcc) |
| min_version=$($min_tool_version llvm) |
| echo "$orig_args: unknown C compiler" >&2 |
| cversion=$(get_canonical_version $version) |
| min_cversion=$(get_canonical_version $min_version) |
| if [ "$cversion" -lt "$min_cversion" ]; then |
| echo >&2 "*** C compiler is too old." |
| echo >&2 "*** Your $name version: $version" |
| echo >&2 "*** Minimum $name version: $min_version" |