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-rw-r--r--scripts/gcc-version.sh8
1 files changed, 7 insertions, 1 deletions
diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
index 8a1d1879c7ad..a5121a6d8949 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