added all .m4 files used by our configure; run aclocal with -I build/aclocal argument now

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35556 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

build/aclocal/gst-element-check.m4

@@ -0,0 +1,23 @@
+dnl Perform a check for a GStreamer element using gst-inspect
+dnl Thomas Vander Stichele <thomas at apestaart dot org>
+dnl Last modification: 25/01/2005
+
+dnl AM_GST_ELEMENT_CHECK(ELEMENT-NAME, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
+
+AC_DEFUN([AM_GST_ELEMENT_CHECK],
+[
+  if test "x$GST_INSPECT" == "x"; then
+    AC_CHECK_PROG(GST_INSPECT, gst-inspect, gst-inspect, [])
+  fi
+
+  if test "x$GST_INSPECT" != "x"; then
+    AC_MSG_CHECKING(GStreamer element $1)
+    if [ $GST_INSPECT $1 > /dev/null 2> /dev/null ]; then
+      AC_MSG_RESULT(found.)
+      $2
+    else
+      AC_MSG_RESULT(not found.)
+      $3
+    fi
+  fi
+])