Check for exported weak symbols

Ouch, all our C++ inline functions are being exported (weakly) already.
Fix coming.

diff --git a/src/check-internal-symbols.sh b/src/check-internal-symbols.sh
index ba6a45d..729b086 100755 (executable)
--- a/src/check-internal-symbols.sh
+++ b/src/check-internal-symbols.sh
@@ -14,12 +14,18 @@ else
        exit 77
 fi
 
+if which c++filt 2>/dev/null >/dev/null; then
+       cplusplusfilt=c++filt
+else
+       cplusplusfilt=cat
+fi
+
 tested=false
 for suffix in so; do
        so=.libs/libharfbuzz.$suffix
        if test -f "$so"; then
                echo "Checking that we are not exposing internal symbols"
-               if nm $so | grep ' T ' | grep -v ' T _fini\>\| T _init\>\| T hb_'; then
+               if nm $so | grep ' [TW] ' | $cplusplusfilt | grep -v ' T _fini\>\| T _init\>\| T hb_'; then
                        echo "Ouch, internal symbols exposed"
                        stat=1
                fi