--- libwmf-0.2.12/configure.ac.orig	2019-02-01 18:51:32.000000000 +0100
+++ libwmf-0.2.12/configure.ac	2019-04-24 22:01:22.848914667 +0200
@@ -143,6 +143,15 @@
 #end libtool stuff
 
 dnl Checks for header files.
+AH_TEMPLATE([HAVE_EXPAT], [Define if you have expat.])
+AH_TEMPLATE([HAVE_GD], [Define if you have libgd])
+AH_TEMPLATE([HAVE_LIBJPEG], [Define if you have libjpeg.])
+AH_TEMPLATE([HAVE_LIBPLOT], [Define if you have GNU plotutils (libplot) >= 2.4.0.])
+AH_TEMPLATE([HAVE_LIBPNG], [Define if you have libpng.])
+AH_TEMPLATE([HAVE_LIBXML2], [Define if you have libxml2.])
+AH_TEMPLATE([WITHOUT_LAYERS], [defining this will disable egs, fig, svg & foreign layers])
+AH_TEMPLATE([snprintf], [Define to _snprintf if necessary])
+AH_TEMPLATE([vsnprintf], [Define to _vsnprintf if necessary])
 AC_HEADER_STDC
 AC_CHECK_HEADERS(time.h)
 AC_CHECK_HEADER(unistd.h,[