1 files changed, 71 insertions, 0 deletions
diff --git a/common/check-exports b/common/check-exports
new file mode 100755
index 0000000..16df41f
--- /dev/null
+++ b/common/check-exports
@@ -0,0 +1,71 @@
+#!/bin/sh
+# check-exports
+#
+# quick'n'dirty script that retrieves the list of exported symbols of a given
+# library using 'nm', and compares that against the list of symbols-to-export
+# of our win32/common/libfoo.def files.
+
+if [ $# -ne 2 ]; then
+	echo "Usage: $0 library.def library.so"
+	exit 1
+fi
+
+def_path="$1"
+def_name="$(basename $def_path)"
+lib_path="$2"
+
+lib_result="`mktemp /tmp/defname.XXXXXX`"
+
+LC_ALL=C
+export LC_ALL
+
+# On Solaris, add -p to get the correct output format
+NMARGS=
+if nm -V 2>&1 |grep Solaris > /dev/null; then
+  NMARGS=-p
+fi
+
+# FIXME 0.11: in 0.11, we should change the export filter to only export
+# _gst_foo, but not __gst_foo (we can't change this now, since we added
+# __gst_debug_min and __gst_debug_enabled at some point and need to keep
+# ABI compatibility).  So below we special-case some symbols that shouldn't
+# really be exported, either because we're too lazy to rename them to something
+# that's not exported (like the _gst_parse_* stuff) or because we had them in
+# public headers at some point although they shouldn't be and so we need to
+# keep them exported now (like _gst_debug_init, 
+# __gst_element_factory_add_interface or
+# __gst_element_factory_add_static_pad_template).  We suppress them here to
+# make sure they're at least not exported in the windows msvc build (they
+# were never in the .def file, so they never got exported).
+# _end is special cased because for some reason it is reported as an exported
+# BSS symbol, unlike on linux where it's a local absolute symbol.
+nm $NMARGS $lib_path | awk \
+	'{
+		if ($3 !~ /^_gst_parse_yy/ && \
+		    $3 !~ /^_gst_[a-z]*_init/ && \
+		    $3 !~ /^_gst_parse_launch/ && \
+		    $3 !~ /^__gst_element_details_/ && \
+		    $3 !~ /^__gst_element_factory_add_/ && \
+		    $3 !~ /^gst_interfaces_marshal/ && \
+		    $3 ~ /^[_]*(gst_|Gst|GST_).*/)
+		{
+			if ($2 ~ /^[BSDG]$/)
+				print "\t" $3 " DATA"
+			else if ($2 == "T")
+				print "\t" $3
+		}
+	 }' | sort | awk '{ if (NR == 1) print "EXPORTS"; print $0; }' \
+	> $lib_result
+
+diffoutput=`diff -u $def_path $lib_result`
+
+rm $lib_result
+
+if test "x$diffoutput" = "x"; then
+  exit 0;
+else
+  echo -n "$diffoutput" >&2
+  echo >&2
+  exit 1;
+fi
+