Based on the upstream commit ff3878d749591ebf78da532ec1eb6fa00cb5757d.

http://lists.gnu.org/archive/html/emacs-diffs/2015-03/msg00224.html

Resolves: #1487557

--- a/configure	2017-09-15 16:21:24.912133006 +0200
+++ b/configure	2017-09-15 16:26:00.869651920 +0200
@@ -12583,11 +12583,13 @@
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <jpeglib.h>
-	 version=JPEG_LIB_VERSION
+	 #if JPEG_LIB_VERSION >= 62
+	 version 6b or later
+	 #endif
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "version= *(6[2-9]|[7-9][0-9])" >/dev/null 2>&1; then :
+  $EGREP "version 6b or later" >/dev/null 2>&1; then :
   $as_echo "#define HAVE_JPEG 1" >>confdefs.h
 
 else