Add check for not linking to libstdc++
diff --git a/src/check-libstdc++.sh b/src/check-libstdc++.sh
new file mode 100755
index 0000000..82e62d6
--- /dev/null
+++ b/src/check-libstdc++.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+LC_ALL=C
+export LC_ALL
+
+if which ldd 2>/dev/null >/dev/null; then
+ :
+else
+ echo "check-libstdc++.sh: 'ldd' not found; skipping test"
+ exit 0
+fi
+
+test -z "$srcdir" && srcdir=.
+test -z "$MAKE" && MAKE=make
+stat=0
+
+so=.libs/libharfbuzz.so
+if test -f "$so"; then
+ echo "Checking that we are not linking to libstdc++"
+ if ldd $so | grep 'libstdc[+][+]'; then
+ echo "Ouch, linked to libstdc++"
+ stat=1
+ fi
+else
+ echo "check-libstdc++.sh: libharfbuzz.so not found; skipping test"
+fi
+
+exit $stat
