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-rw-r--r--configure.in6
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index cf4338e07b..70d3dbc7b7 100644
--- a/configure.in
+++ b/configure.in
@@ -744,6 +744,12 @@ dnl Test for libpng
*** from CVS.])
fi
+ REBUILD_PNGS=\#
+ if test -z "$LIBPNG"; then
+ REBUILD_PNGS=
+ fi
+ AC_SUBST(REBUILD_PNGS)
+
AC_SUBST(LIBTIFF)
AC_SUBST(LIBJPEG)
AC_SUBST(LIBPNG)