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

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# gcc-version [-p] gcc-command
#
# Prints the gcc version of `gcc-command' in a canonical 4-digit form
# such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc.
#
# With the -p option, prints the patchlevel as well, for example `029503' for
# gcc-2.95.3, `030301' for gcc-3.3.1, 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 <gcc-command>\n"
	exit 1
fi

MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
if [ "x$with_patchlevel" != "x" ] ; then
	PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
	printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
else
	printf "%02d%02d\\n" $MAJOR $MINOR
fi
Commit	Line	Data
	1	#!/bin/sh
	2	# SPDX-License-Identifier: GPL-2.0
	3	#
	4	# gcc-version [-p] gcc-command
	5	#
	6	# Prints the gcc version of `gcc-command' in a canonical 4-digit form
	7	# such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc.
	8	#
	9	# With the -p option, prints the patchlevel as well, for example `029503' for
	10	# gcc-2.95.3, `030301' for gcc-3.3.1, etc.
	11	#
	12
	13	if [ "$1" = "-p" ] ; then
	14	with_patchlevel=1;
	15	shift;
	16	fi
	17
	18	compiler="$*"
	19
	20	if [ ${#compiler} -eq 0 ]; then
	21	echo "Error: No compiler specified."
	22	printf "Usage:\n\t$0 <gcc-command>\n"
	23	exit 1
	24	fi
	25
	26	MAJOR=$(echo __GNUC__ \| $compiler -E -x c - \| tail -n 1)
	27	MINOR=$(echo __GNUC_MINOR__ \| $compiler -E -x c - \| tail -n 1)
	28	if [ "x$with_patchlevel" != "x" ] ; then
	29	PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ \| $compiler -E -x c - \| tail -n 1)
	30	printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
	31	else
	32	printf "%02d%02d\\n" $MAJOR $MINOR
	33	fi