[linux-2.6-block.git] / scripts / clang-version.sh

#!/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.
#

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 $PATCHLEVEL
Commit	Line	Data
ae0c553c ST	1	#!/bin/sh
	2	# SPDX-License-Identifier: GPL-2.0
	3	#
	4	# clang-version [-p] clang-command
	5	#
	6	# Prints the compiler version of `clang-command' in a canonical 4-digit form
	7	# such as `0500' for clang-5.0 etc.
	8	#
	9	# With the -p option, prints the patchlevel as well, for example `050001' for
	10	# clang-5.0.1 etc.
	11	#
	12
ae0c553c ST	13	compiler="$*"
ae0c553c ST	14
b5f8cb9e	15	if ! ( $compiler --version \| grep -q clang) ; then
469cb737	16	echo 0
ae0c553c ST	17	exit 1
	18	fi
	19
	20	MAJOR=$(echo __clang_major__ \| $compiler -E -x c - \| tail -n 1)
	21	MINOR=$(echo __clang_minor__ \| $compiler -E -x c - \| tail -n 1)
469cb737 MY	22	PATCHLEVEL=$(echo __clang_patchlevel__ \| $compiler -E -x c - \| tail -n 1)
469cb737 MY	23	printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL