webrtcdsp: Relax C++11 check

The library does not require any STL C++11 specific headers.
This fixes our OSX build as we target a SDK version that does not
support C++11 STL.

diff --git a/configure.ac b/configure.ac
index 5dc341b23ad28408e788de10ed5200aa58a460cd..2ca3247f1132d67ba2d43f17daf32854007d7b18 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3386,6 +3386,7 @@ AG_GST_CHECK_FEATURE(WEBRTCDSP, [WebRTC Audio Processing], webrtcdsp, [
   old_CPPFLAGS=$CPPFLAGS
   old_LDFLAGS=$GNUSTL_LIBS
   CPPFLAGS="-std=c++11 $CPPFLAGS $GNUSTL_CFLAGS"
+  AC_CHECK_HEADER([vector],[],[HAVE_WEBRTCDSP=no])
   CPPFLAGS=$old_CPPFLAGS
   LDFLAGS=$old_LDFLAGS
   AC_LANG_POP([C++])