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

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# gcc-version gcc-command
#
# Print the gcc version of `gcc-command' in a 5 or 6-digit form
# such as `29503' for gcc-2.95.3, `30301' for gcc-3.3.1, etc.

compiler="$*"

if [ ${#compiler} -eq 0 ]; then
	echo "Error: No compiler specified." >&2
	printf "Usage:\n\t$0 <gcc-command>\n" >&2
	exit 1
fi

MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
Commit	Line	Data
	1	#!/bin/sh
	2	# SPDX-License-Identifier: GPL-2.0
	3	#
	4	# gcc-version gcc-command
	5	#
	6	# Print the gcc version of `gcc-command' in a 5 or 6-digit form
	7	# such as `29503' for gcc-2.95.3, `30301' for gcc-3.3.1, etc.
	8
	9	compiler="$*"
	10
	11	if [ ${#compiler} -eq 0 ]; then
	12	echo "Error: No compiler specified." >&2
	13	printf "Usage:\n\t$0 <gcc-command>\n" >&2
	14	exit 1
	15	fi
	16
	17	MAJOR=$(echo __GNUC__ \| $compiler -E -x c - \| tail -n 1)
	18	MINOR=$(echo __GNUC_MINOR__ \| $compiler -E -x c - \| tail -n 1)
	19	PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ \| $compiler -E -x c - \| tail -n 1)
	20	printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL