diff --git a/ANNOUNCE b/ANNOUNCE
index 5396b1921..3d272f41d 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,4 +1,4 @@
-Libpng 1.6.16beta01 - November 29, 2014
+Libpng 1.6.16beta01 - December 14, 2014
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -25,9 +25,11 @@ Other information:
 
 Changes since the last public release (1.6.15):
 
-Version 1.6.16beta01 [November 29, 2014]
+Version 1.6.16beta01 [December 14, 2014]
   Added ".align 2" to arm/filter_neon.S to support old GAS assemblers that
     don't do alignment correctly.
+  Revised Makefile.am and scripts/symbols.dfn to work with MinGW/MSYS
+    (Bob Friesenhahn).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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diff --git a/CHANGES b/CHANGES
index 7cea4fe61..c5844faa7 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5099,9 +5099,11 @@ Version 1.6.15rc03 [November 16, 2014]
 Version 1.6.15 [November 20, 2014]
   No changes.
 
-Version 1.6.16beta01 [November 29, 2014]
+Version 1.6.16beta01 [December 14, 2014]
   Added ".align 2" to arm/filter_neon.S to support old GAS assemblers that
     don't do alignment correctly.
+  Revised Makefile.am and scripts/symbols.dfn to work with MinGW/MSYS
+    (Bob Friesenhahn).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/Makefile.am b/Makefile.am
index 052e596b6..61c6b6e98 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -240,7 +240,7 @@ endif
 .dfn.out:
 	rm -f $@ $*.c $*.tf[12]
 	test -d scripts || mkdir scripts || test -d scripts
-	echo '#include "$<"' >$*.c
+	cp "$<" $*.c
 	$(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
 	    $(CPPFLAGS) $(SYMBOL_CFLAGS) $*.c > $*.tf1
 	$(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
diff --git a/scripts/symbols.dfn b/scripts/symbols.dfn
index 085832715..57266bf6a 100644
--- a/scripts/symbols.dfn
+++ b/scripts/symbols.dfn
@@ -26,8 +26,8 @@
 /* Read the defaults, but use scripts/pnglibconf.h.prebuilt; the 'standard'
  * header file.
  */
-#include "pnglibconf.h.prebuilt"
-#include "../png.h"
+#include "scripts/pnglibconf.h.prebuilt"
+#include "png.h"
 
 /* Some things are turned off by default.  Turn these things
  * on here (by hand) to get the APIs they expose and validate
@@ -45,7 +45,7 @@
 #define PNG_SET_OPTION_SUPPORTED
 
 #undef PNG_H
-#include "../png.h"
+#include "png.h"
 
 /* Finally there are a couple of places where option support
  * actually changes the APIs revealed using a #if/#else/#endif
@@ -55,4 +55,4 @@
 #undef  PNG_ERROR_TEXT_SUPPORTED     /* Exposes unsupported APIs */
 
 #undef PNG_H
-#include "../png.h"
+#include "png.h"