summaryrefslogblamecommitdiffstats
path: root/scripts/gcc-version.sh
blob: 7f2126df91f2a876a5c8374339f22a6f6f4387ed (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11

         
                              



                                                                     



                                                                             



                          


             

                                            
                                             


              

                                                              
                                        
                                                                                



                                                          
#!/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