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linux-next/scripts/clang-version.sh
Masahiro Yamada 00250b5219 kbuild: update comment block of scripts/clang-version.sh
Commit 469cb7376c ("kconfig: add CC_IS_CLANG and CLANG_VERSION")
changed the code, but missed to update the comment block.

The -p option was gone, and the output is 5-digit (or 6-digit when
Clang 10 is released).

Update the comment now.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-03-04 22:34:54 +09:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# clang-version clang-command
#
# Print the compiler version of `clang-command' in a 5 or 6-digit form
# such as `50001' for clang-5.0.1 etc.
compiler="$*"
if ! ( $compiler --version | grep -q clang) ; then
echo 0
exit 1
fi
MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL