check-static-inits: Filter out zero-length sections

When compiling with -O0, zero-sized constructors were showing up
and confusing the test.

diff --git a/src/check-static-inits.sh b/src/check-static-inits.sh
index 6b03dd2..1446fa7 100755 (executable)
--- a/src/check-static-inits.sh
+++ b/src/check-static-inits.sh
@@ -22,7 +22,7 @@ fi
 
 echo "Checking that no object file has static initializers"
 for obj in $OBJS; do
-       if objdump -t "$obj" | grep '[.][cd]tors'; then
+       if objdump -t "$obj" | grep '[.][cd]tors' | grep -v '\<00*\>'; then
                echo "Ouch, $obj has static initializers/finalizers"
                stat=1
        fi