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

#!/bin/sh
#
# 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
1da177e4 LT	1	#!/bin/sh
1da177e4 LT	2	#
0ab2a272	3	# gcc-version [-p] gcc-command
1da177e4 LT	4	#
	5	# Prints the gcc version of `gcc-command' in a canonical 4-digit form
	6	# such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc.
	7	#
0ab2a272 SB	8	# With the -p option, prints the patchlevel as well, for example `029503' for
	9	# gcc-2.95.3, `030301' for gcc-3.3.1, etc.
	10	#
	11
0484f129 SR	12	if [ "$1" = "-p" ] ; then
	13	with_patchlevel=1;
	14	shift;
	15	fi
1da177e4 LT	16
	17	compiler="$*"
	18
de47062a JJ	19	if [ ${#compiler} -eq 0 ]; then
de47062a JJ	20	echo "Error: No compiler specified."
bdefe35d	21	printf "Usage:\n\t$0 <gcc-command>\n"
de47062a JJ	22	exit 1
	23	fi
	24
b1e0d8b7 JD	25	MAJOR=$(echo __GNUC__ \| $compiler -E -x c - \| tail -n 1)
b1e0d8b7 JD	26	MINOR=$(echo __GNUC_MINOR__ \| $compiler -E -x c - \| tail -n 1)
0ab2a272	27	if [ "x$with_patchlevel" != "x" ] ; then
b1e0d8b7	28	PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ \| $compiler -E -x c - \| tail -n 1)
0ab2a272 SB	29	printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
	30	else
	31	printf "%02d%02d\\n" $MAJOR $MINOR
	32	fi