GUAC-1285: Add configure test for jpeg_mem_dest().

configure.ac

@@ -110,6 +110,13 @@ AC_CHECK_DECL([cairo_format_stride_for_width],
                [Whether cairo_format_stride_for_width() is defined])],,
 	[#include <cairo/cairo.h>])
 
+AC_CHECK_DECL([jpeg_mem_dest],
+    [AC_DEFINE([HAVE_JPEG_MEM_DEST],,
+               [Whether jpeg_mem_dest() is defined])],,
+    [#include <stddef.h>
+     #include <stdio.h>
+     #include <jpeglib.h>])
+
 # Typedefs
 AC_TYPE_SIZE_T
 AC_TYPE_SSIZE_T