469cb7376c
This will be useful to describe the clang version dependency. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Kees Cook <keescook@chromium.org>
24 lines
635 B
Bash
Executable file
24 lines
635 B
Bash
Executable file
#!/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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compiler="$*"
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if !( $compiler --version | grep -q clang) ; then
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echo 0
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exit 1
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fi
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MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
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MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
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PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
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printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
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