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33 lines
835 B
33 lines
835 B
#!/bin/sh |
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# SPDX-License-Identifier: GPL-2.0 |
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# |
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# clang-version [-p] clang-command |
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# |
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# Prints the compiler version of `clang-command' in a canonical 4-digit form |
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# such as `0500' for clang-5.0 etc. |
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# |
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# With the -p option, prints the patchlevel as well, for example `050001' for |
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# clang-5.0.1 etc. |
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# |
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if [ "$1" = "-p" ] ; then |
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with_patchlevel=1; |
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shift; |
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fi |
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compiler="$*" |
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if [ ${#compiler} -eq 0 ]; then |
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echo "Error: No compiler specified." |
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printf "Usage:\n\t$0 <clang-command>\n" |
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exit 1 |
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fi |
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MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1) |
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MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1) |
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if [ "x$with_patchlevel" != "x" ] ; then |
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PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1) |
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printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL |
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else |
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printf "%02d%02d\\n" $MAJOR $MINOR |
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fi
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