update libpng-dev deps.

[wxWidgets.git] / samples / docview / Makefile.in

diff --git a/samples/docview/Makefile.in b/samples/docview/Makefile.in
index 38e118c6aa02e9715ad221d0d7a1b2079ef979a5..73637b57edc649d446795f737c5c7a58ed226dba 100644 (file)
--- a/samples/docview/Makefile.in
+++ b/samples/docview/Makefile.in
@@ -20,5 +20,5 @@ DEPFILES=$(PROGRAM).d doc.d view.d
 
 include ../../src/makeprog.env
 
--include $(DEPFILES)
+@IF_GNU_MAKE@-include $(DEPFILES)