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alistair23-linux
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kbuild: add clang-version.sh 

Based on gcc-version.sh, clang-version.sh prints out the correct
version of clang.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
hifive-unleashed-5.1
Sami Tolvanen 2017-11-30 15:38:26 -08:00 committed by Masahiro Yamada
parent 0c8efd610b
commit ae0c553c24
1 changed files with 33 additions and 0 deletions
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33
scripts/clang-version.sh 100755
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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# clang-version [-p] clang-command
#
# Prints the compiler version of `clang-command' in a canonical 4-digit form
# such as `0500' for clang-5.0 etc.
#
# With the -p option, prints the patchlevel as well, for example `050001' for
# clang-5.0.1 etc.
#
if [ "$1" = "-p" ] ; then
with_patchlevel=1;
shift;
fi
compiler="$*"
if [ ${#compiler} -eq 0 ]; then
echo "Error: No compiler specified."
printf "Usage:\n\t$0 <clang-command>\n"
exit 1
fi
MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
if [ "x$with_patchlevel" != "x" ] ; then
PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
else
printf "%02d%02d\\n" $MAJOR $MINOR
fi