X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=scripts%2Fgcc-version.sh;h=a5121a6d8949eb6bce96cca1904801f75a8bbe57;hb=7607341a265a56cdf8b4bf10d355098e80ea481b;hp=8a1d1879c7ad0a8262eba2e405aa428589419f6e;hpb=2fe83b3ad12d43799af5f3156886eca443a88bac;p=linux-2.6

diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
index 8a1d1879c7..a5121a6d89 100644
--- a/scripts/gcc-version.sh
+++ b/scripts/gcc-version.sh
@@ -9,10 +9,16 @@
 # gcc-2.95.3, `030301' for gcc-3.3.1, etc.
 #
 
-if [ $1 = "-p" ] ; then with_patchlevel=1; shift; fi
+if [[ $1 = "-p" ]] ; then with_patchlevel=1; shift; fi
 
 compiler="$*"
 
+if [ ${#compiler} -eq 0 ]; then
+	echo "Error: No compiler specified."
+	echo -e "Usage:\n\t$0 <gcc-command>"
+	exit 1
+fi
+
 MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
 MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
 if [ "x$with_patchlevel" != "x" ] ; then