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72 lines
1.5 KiB
72 lines
1.5 KiB
#!/bin/sh |
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# SPDX-License-Identifier: GPL-2.0 |
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# |
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# Print the compiler name and its version in a 5 or 6-digit form. |
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# Also, perform the minimum version check. |
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set -e |
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# Print the compiler name and some version components. |
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get_compiler_info() |
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{ |
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cat <<- EOF | "$@" -E -P -x c - 2>/dev/null |
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#if defined(__clang__) |
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Clang __clang_major__ __clang_minor__ __clang_patchlevel__ |
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#elif defined(__INTEL_COMPILER) |
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ICC __INTEL_COMPILER __INTEL_COMPILER_UPDATE |
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#elif defined(__GNUC__) |
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GCC __GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__ |
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#else |
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unknown |
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#endif |
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EOF |
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} |
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# Convert the version string x.y.z to a canonical 5 or 6-digit form. |
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get_canonical_version() |
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{ |
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IFS=. |
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set -- $1 |
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echo $((10000 * $1 + 100 * $2 + $3)) |
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} |
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# $@ instead of $1 because multiple words might be given, e.g. CC="ccache gcc". |
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orig_args="$@" |
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set -- $(get_compiler_info "$@") |
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name=$1 |
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min_tool_version=$(dirname $0)/min-tool-version.sh |
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case "$name" in |
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GCC) |
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version=$2.$3.$4 |
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min_version=$($min_tool_version gcc) |
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;; |
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Clang) |
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version=$2.$3.$4 |
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min_version=$($min_tool_version llvm) |
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;; |
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ICC) |
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version=$(($2 / 100)).$(($2 % 100)).$3 |
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min_version=$($min_tool_version icc) |
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;; |
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*) |
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echo "$orig_args: unknown compiler" >&2 |
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exit 1 |
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;; |
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esac |
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cversion=$(get_canonical_version $version) |
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min_cversion=$(get_canonical_version $min_version) |
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if [ "$cversion" -lt "$min_cversion" ]; then |
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echo >&2 "***" |
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echo >&2 "*** Compiler is too old." |
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echo >&2 "*** Your $name version: $version" |
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echo >&2 "*** Minimum $name version: $min_version" |
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echo >&2 "***" |
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exit 1 |
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fi |
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echo $name $cversion
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