[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 $PATCHLEVEL
Commit	Line	Data
1da177e4	1	#!/bin/sh
b2441318	2	# SPDX-License-Identifier: GPL-2.0
1da177e4	3	#
fa7295ab	4	# gcc-version gcc-command
0ab2a272	5	#
fa7295ab MY	6	# Print the gcc version of `gcc-command' in a 5 or 6-digit form
fa7295ab MY	7	# such as `29503' for gcc-2.95.3, `30301' for gcc-3.3.1, etc.
1da177e4 LT	8
	9	compiler="$*"
	10
de47062a	11	if [ ${#compiler} -eq 0 ]; then
fa7295ab MY	12	echo "Error: No compiler specified." >&2
fa7295ab MY	13	printf "Usage:\n\t$0 <gcc-command>\n" >&2
de47062a JJ	14	exit 1
	15	fi
	16
b1e0d8b7 JD	17	MAJOR=$(echo __GNUC__ \| $compiler -E -x c - \| tail -n 1)
b1e0d8b7 JD	18	MINOR=$(echo __GNUC_MINOR__ \| $compiler -E -x c - \| tail -n 1)
fa7295ab MY	19	PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ \| $compiler -E -x c - \| tail -n 1)
fa7295ab MY	20	printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL