disable -Wold-style-definition for gcc 3.x

git-svn-id: svn://busybox.net/trunk/busybox@17638 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 12 insertions, 0 deletions

diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
new file mode 100755
index 000000000..34510804f
--- /dev/null
+++ b/scripts/gcc-version.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+#
+# gcc-version 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.
+#
+
+compiler="$*"
+
+MAJ_MIN=$(echo __GNUC__ __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
+printf '%02d%02d\n' $MAJ_MIN